diff options
Diffstat (limited to 'include/asm-sh64')
89 files changed, 6757 insertions, 0 deletions
diff --git a/include/asm-sh64/a.out.h b/include/asm-sh64/a.out.h new file mode 100644 index 000000000000..e1995e86b663 --- /dev/null +++ b/include/asm-sh64/a.out.h @@ -0,0 +1,37 @@ +#ifndef __ASM_SH64_A_OUT_H +#define __ASM_SH64_A_OUT_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/a.out.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +struct exec +{ + unsigned long a_info; /* Use macros N_MAGIC, etc for access */ + unsigned a_text; /* length of text, in bytes */ + unsigned a_data; /* length of data, in bytes */ + unsigned a_bss; /* length of uninitialized data area for file, in bytes */ + unsigned a_syms; /* length of symbol table data in file, in bytes */ + unsigned a_entry; /* start address */ + unsigned a_trsize; /* length of relocation info for text, in bytes */ + unsigned a_drsize; /* length of relocation info for data, in bytes */ +}; + +#define N_TRSIZE(a) ((a).a_trsize) +#define N_DRSIZE(a) ((a).a_drsize) +#define N_SYMSIZE(a) ((a).a_syms) + +#ifdef __KERNEL__ + +#define STACK_TOP TASK_SIZE + +#endif + +#endif /* __ASM_SH64_A_OUT_H */ diff --git a/include/asm-sh64/atomic.h b/include/asm-sh64/atomic.h new file mode 100644 index 000000000000..8c3872d3e65f --- /dev/null +++ b/include/asm-sh64/atomic.h @@ -0,0 +1,126 @@ +#ifndef __ASM_SH64_ATOMIC_H +#define __ASM_SH64_ATOMIC_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/atomic.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + */ + +/* + * Atomic operations that C can't guarantee us. Useful for + * resource counting etc.. + * + */ + +typedef struct { volatile int counter; } atomic_t; + +#define ATOMIC_INIT(i) ( (atomic_t) { (i) } ) + +#define atomic_read(v) ((v)->counter) +#define atomic_set(v,i) ((v)->counter = (i)) + +#include <asm/system.h> + +/* + * To get proper branch prediction for the main line, we must branch + * forward to code at the end of this object's .text section, then + * branch back to restart the operation. + */ + +static __inline__ void atomic_add(int i, atomic_t * v) +{ + unsigned long flags; + + local_irq_save(flags); + *(long *)v += i; + local_irq_restore(flags); +} + +static __inline__ void atomic_sub(int i, atomic_t *v) +{ + unsigned long flags; + + local_irq_save(flags); + *(long *)v -= i; + local_irq_restore(flags); +} + +static __inline__ int atomic_add_return(int i, atomic_t * v) +{ + unsigned long temp, flags; + + local_irq_save(flags); + temp = *(long *)v; + temp += i; + *(long *)v = temp; + local_irq_restore(flags); + + return temp; +} + +#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) + +static __inline__ int atomic_sub_return(int i, atomic_t * v) +{ + unsigned long temp, flags; + + local_irq_save(flags); + temp = *(long *)v; + temp -= i; + *(long *)v = temp; + local_irq_restore(flags); + + return temp; +} + +#define atomic_dec_return(v) atomic_sub_return(1,(v)) +#define atomic_inc_return(v) atomic_add_return(1,(v)) + +/* + * atomic_inc_and_test - increment and test + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) + +#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0) +#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) + +#define atomic_inc(v) atomic_add(1,(v)) +#define atomic_dec(v) atomic_sub(1,(v)) + +static __inline__ void atomic_clear_mask(unsigned int mask, atomic_t *v) +{ + unsigned long flags; + + local_irq_save(flags); + *(long *)v &= ~mask; + local_irq_restore(flags); +} + +static __inline__ void atomic_set_mask(unsigned int mask, atomic_t *v) +{ + unsigned long flags; + + local_irq_save(flags); + *(long *)v |= mask; + local_irq_restore(flags); +} + +/* Atomic operations are already serializing on SH */ +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + +#endif /* __ASM_SH64_ATOMIC_H */ diff --git a/include/asm-sh64/bitops.h b/include/asm-sh64/bitops.h new file mode 100644 index 000000000000..e1ff63e09227 --- /dev/null +++ b/include/asm-sh64/bitops.h @@ -0,0 +1,516 @@ +#ifndef __ASM_SH64_BITOPS_H +#define __ASM_SH64_BITOPS_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/bitops.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + */ + +#ifdef __KERNEL__ +#include <linux/compiler.h> +#include <asm/system.h> +/* For __swab32 */ +#include <asm/byteorder.h> + +static __inline__ void set_bit(int nr, volatile void * addr) +{ + int mask; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + *a |= mask; + local_irq_restore(flags); +} + +static inline void __set_bit(int nr, void *addr) +{ + int mask; + unsigned int *a = addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + *a |= mask; +} + +/* + * clear_bit() doesn't provide any barrier for the compiler. + */ +#define smp_mb__before_clear_bit() barrier() +#define smp_mb__after_clear_bit() barrier() +static inline void clear_bit(int nr, volatile unsigned long *a) +{ + int mask; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + *a &= ~mask; + local_irq_restore(flags); +} + +static inline void __clear_bit(int nr, volatile unsigned long *a) +{ + int mask; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + *a &= ~mask; +} + +static __inline__ void change_bit(int nr, volatile void * addr) +{ + int mask; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + *a ^= mask; + local_irq_restore(flags); +} + +static __inline__ void __change_bit(int nr, volatile void * addr) +{ + int mask; + volatile unsigned int *a = addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + *a ^= mask; +} + +static __inline__ int test_and_set_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + retval = (mask & *a) != 0; + *a |= mask; + local_irq_restore(flags); + + return retval; +} + +static __inline__ int __test_and_set_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + retval = (mask & *a) != 0; + *a |= mask; + + return retval; +} + +static __inline__ int test_and_clear_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + retval = (mask & *a) != 0; + *a &= ~mask; + local_irq_restore(flags); + + return retval; +} + +static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + retval = (mask & *a) != 0; + *a &= ~mask; + + return retval; +} + +static __inline__ int test_and_change_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + retval = (mask & *a) != 0; + *a ^= mask; + local_irq_restore(flags); + + return retval; +} + +static __inline__ int __test_and_change_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + retval = (mask & *a) != 0; + *a ^= mask; + + return retval; +} + +static __inline__ int test_bit(int nr, const volatile void *addr) +{ + return 1UL & (((const volatile unsigned int *) addr)[nr >> 5] >> (nr & 31)); +} + +static __inline__ unsigned long ffz(unsigned long word) +{ + unsigned long result, __d2, __d3; + + __asm__("gettr tr0, %2\n\t" + "pta $+32, tr0\n\t" + "andi %1, 1, %3\n\t" + "beq %3, r63, tr0\n\t" + "pta $+4, tr0\n" + "0:\n\t" + "shlri.l %1, 1, %1\n\t" + "addi %0, 1, %0\n\t" + "andi %1, 1, %3\n\t" + "beqi %3, 1, tr0\n" + "1:\n\t" + "ptabs %2, tr0\n\t" + : "=r" (result), "=r" (word), "=r" (__d2), "=r" (__d3) + : "0" (0L), "1" (word)); + + return result; +} + +/** + * __ffs - find first bit in word + * @word: The word to search + * + * Undefined if no bit exists, so code should check against 0 first. + */ +static inline unsigned long __ffs(unsigned long word) +{ + int r = 0; + + if (!word) + return 0; + if (!(word & 0xffff)) { + word >>= 16; + r += 16; + } + if (!(word & 0xff)) { + word >>= 8; + r += 8; + } + if (!(word & 0xf)) { + word >>= 4; + r += 4; + } + if (!(word & 3)) { + word >>= 2; + r += 2; + } + if (!(word & 1)) { + word >>= 1; + r += 1; + } + return r; +} + +/** + * find_next_bit - find the next set bit in a memory region + * @addr: The address to base the search on + * @offset: The bitnumber to start searching at + * @size: The maximum size to search + */ +static inline unsigned long find_next_bit(const unsigned long *addr, + unsigned long size, unsigned long offset) +{ + unsigned int *p = ((unsigned int *) addr) + (offset >> 5); + unsigned int result = offset & ~31UL; + unsigned int tmp; + + if (offset >= size) + return size; + size -= result; + offset &= 31UL; + if (offset) { + tmp = *p++; + tmp &= ~0UL << offset; + if (size < 32) + goto found_first; + if (tmp) + goto found_middle; + size -= 32; + result += 32; + } + while (size >= 32) { + if ((tmp = *p++) != 0) + goto found_middle; + result += 32; + size -= 32; + } + if (!size) + return result; + tmp = *p; + +found_first: + tmp &= ~0UL >> (32 - size); + if (tmp == 0UL) /* Are any bits set? */ + return result + size; /* Nope. */ +found_middle: + return result + __ffs(tmp); +} + +/** + * find_first_bit - find the first set bit in a memory region + * @addr: The address to start the search at + * @size: The maximum size to search + * + * Returns the bit-number of the first set bit, not the number of the byte + * containing a bit. + */ +#define find_first_bit(addr, size) \ + find_next_bit((addr), (size), 0) + + +static inline int find_next_zero_bit(void *addr, int size, int offset) +{ + unsigned long *p = ((unsigned long *) addr) + (offset >> 5); + unsigned long result = offset & ~31UL; + unsigned long tmp; + + if (offset >= size) + return size; + size -= result; + offset &= 31UL; + if (offset) { + tmp = *(p++); + tmp |= ~0UL >> (32-offset); + if (size < 32) + goto found_first; + if (~tmp) + goto found_middle; + size -= 32; + result += 32; + } + while (size & ~31UL) { + if (~(tmp = *(p++))) + goto found_middle; + result += 32; + size -= 32; + } + if (!size) + return result; + tmp = *p; + +found_first: + tmp |= ~0UL << size; +found_middle: + return result + ffz(tmp); +} + +#define find_first_zero_bit(addr, size) \ + find_next_zero_bit((addr), (size), 0) + +/* + * hweightN: returns the hamming weight (i.e. the number + * of bits set) of a N-bit word + */ + +#define hweight32(x) generic_hweight32(x) +#define hweight16(x) generic_hweight16(x) +#define hweight8(x) generic_hweight8(x) + +/* + * Every architecture must define this function. It's the fastest + * way of searching a 140-bit bitmap where the first 100 bits are + * unlikely to be set. It's guaranteed that at least one of the 140 + * bits is cleared. + */ + +static inline int sched_find_first_bit(unsigned long *b) +{ + if (unlikely(b[0])) + return __ffs(b[0]); + if (unlikely(b[1])) + return __ffs(b[1]) + 32; + if (unlikely(b[2])) + return __ffs(b[2]) + 64; + if (b[3]) + return __ffs(b[3]) + 96; + return __ffs(b[4]) + 128; +} + +/* + * ffs: find first bit set. This is defined the same way as + * the libc and compiler builtin ffs routines, therefore + * differs in spirit from the above ffz (man ffs). + */ + +#define ffs(x) generic_ffs(x) + +/* + * hweightN: returns the hamming weight (i.e. the number + * of bits set) of a N-bit word + */ + +#define hweight32(x) generic_hweight32(x) +#define hweight16(x) generic_hweight16(x) +#define hweight8(x) generic_hweight8(x) + +#ifdef __LITTLE_ENDIAN__ +#define ext2_set_bit(nr, addr) test_and_set_bit((nr), (addr)) +#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr), (addr)) +#define ext2_test_bit(nr, addr) test_bit((nr), (addr)) +#define ext2_find_first_zero_bit(addr, size) find_first_zero_bit((addr), (size)) +#define ext2_find_next_zero_bit(addr, size, offset) \ + find_next_zero_bit((addr), (size), (offset)) +#else +static __inline__ int ext2_set_bit(int nr, volatile void * addr) +{ + int mask, retval; + unsigned long flags; + volatile unsigned char *ADDR = (unsigned char *) addr; + + ADDR += nr >> 3; + mask = 1 << (nr & 0x07); + local_irq_save(flags); + retval = (mask & *ADDR) != 0; + *ADDR |= mask; + local_irq_restore(flags); + return retval; +} + +static __inline__ int ext2_clear_bit(int nr, volatile void * addr) +{ + int mask, retval; + unsigned long flags; + volatile unsigned char *ADDR = (unsigned char *) addr; + + ADDR += nr >> 3; + mask = 1 << (nr & 0x07); + local_irq_save(flags); + retval = (mask & *ADDR) != 0; + *ADDR &= ~mask; + local_irq_restore(flags); + return retval; +} + +static __inline__ int ext2_test_bit(int nr, const volatile void * addr) +{ + int mask; + const volatile unsigned char *ADDR = (const unsigned char *) addr; + + ADDR += nr >> 3; + mask = 1 << (nr & 0x07); + return ((mask & *ADDR) != 0); +} + +#define ext2_find_first_zero_bit(addr, size) \ + ext2_find_next_zero_bit((addr), (size), 0) + +static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset) +{ + unsigned long *p = ((unsigned long *) addr) + (offset >> 5); + unsigned long result = offset & ~31UL; + unsigned long tmp; + + if (offset >= size) + return size; + size -= result; + offset &= 31UL; + if(offset) { + /* We hold the little endian value in tmp, but then the + * shift is illegal. So we could keep a big endian value + * in tmp, like this: + * + * tmp = __swab32(*(p++)); + * tmp |= ~0UL >> (32-offset); + * + * but this would decrease preformance, so we change the + * shift: + */ + tmp = *(p++); + tmp |= __swab32(~0UL >> (32-offset)); + if(size < 32) + goto found_first; + if(~tmp) + goto found_middle; + size -= 32; + result += 32; + } + while(size & ~31UL) { + if(~(tmp = *(p++))) + goto found_middle; + result += 32; + size -= 32; + } + if(!size) + return result; + tmp = *p; + +found_first: + /* tmp is little endian, so we would have to swab the shift, + * see above. But then we have to swab tmp below for ffz, so + * we might as well do this here. + */ + return result + ffz(__swab32(tmp) | (~0UL << size)); +found_middle: + return result + ffz(__swab32(tmp)); +} +#endif + +#define ext2_set_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_set_bit((nr), (addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#define ext2_clear_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_clear_bit((nr), (addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +/* Bitmap functions for the minix filesystem. */ +#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) +#define minix_set_bit(nr,addr) set_bit(nr,addr) +#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) +#define minix_test_bit(nr,addr) test_bit(nr,addr) +#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) + +#define ffs(x) generic_ffs(x) +#define fls(x) generic_fls(x) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH64_BITOPS_H */ diff --git a/include/asm-sh64/bug.h b/include/asm-sh64/bug.h new file mode 100644 index 000000000000..3acd54d59566 --- /dev/null +++ b/include/asm-sh64/bug.h @@ -0,0 +1,32 @@ +#ifndef __ASM_SH64_BUG_H +#define __ASM_SH64_BUG_H + +#include <linux/config.h> + +/* + * Tell the user there is some problem, then force a segfault (in process + * context) or a panic (interrupt context). + */ +#define BUG() do { \ + printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \ + *(volatile int *)0 = 0; \ +} while (0) + +#define BUG_ON(condition) do { \ + if (unlikely((condition)!=0)) \ + BUG(); \ +} while(0) + +#define PAGE_BUG(page) do { \ + BUG(); \ +} while (0) + +#define WARN_ON(condition) do { \ + if (unlikely((condition)!=0)) { \ + printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \ + dump_stack(); \ + } \ +} while (0) + +#endif /* __ASM_SH64_BUG_H */ + diff --git a/include/asm-sh64/bugs.h b/include/asm-sh64/bugs.h new file mode 100644 index 000000000000..05554aaea672 --- /dev/null +++ b/include/asm-sh64/bugs.h @@ -0,0 +1,38 @@ +#ifndef __ASM_SH64_BUGS_H +#define __ASM_SH64_BUGS_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/bugs.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + */ + +/* + * This is included by init/main.c to check for architecture-dependent bugs. + * + * Needs: + * void check_bugs(void); + */ + +/* + * I don't know of any Super-H bugs yet. + */ + +#include <asm/processor.h> + +static void __init check_bugs(void) +{ + extern char *get_cpu_subtype(void); + extern unsigned long loops_per_jiffy; + + cpu_data->loops_per_jiffy = loops_per_jiffy; + + printk("CPU: %s\n", get_cpu_subtype()); +} +#endif /* __ASM_SH64_BUGS_H */ diff --git a/include/asm-sh64/byteorder.h b/include/asm-sh64/byteorder.h new file mode 100644 index 000000000000..f602ebe334eb --- /dev/null +++ b/include/asm-sh64/byteorder.h @@ -0,0 +1,49 @@ +#ifndef __ASM_SH64_BYTEORDER_H +#define __ASM_SH64_BYTEORDER_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/byteorder.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <asm/types.h> + +static __inline__ __const__ __u32 ___arch__swab32(__u32 x) +{ + __asm__("byterev %0, %0\n\t" + "shari %0, 32, %0" + : "=r" (x) + : "0" (x)); + return x; +} + +static __inline__ __const__ __u16 ___arch__swab16(__u16 x) +{ + __asm__("byterev %0, %0\n\t" + "shari %0, 48, %0" + : "=r" (x) + : "0" (x)); + return x; +} + +#define __arch__swab32(x) ___arch__swab32(x) +#define __arch__swab16(x) ___arch__swab16(x) + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#ifdef __LITTLE_ENDIAN__ +#include <linux/byteorder/little_endian.h> +#else +#include <linux/byteorder/big_endian.h> +#endif + +#endif /* __ASM_SH64_BYTEORDER_H */ diff --git a/include/asm-sh64/cache.h b/include/asm-sh64/cache.h new file mode 100644 index 000000000000..f54e85e8a470 --- /dev/null +++ b/include/asm-sh64/cache.h @@ -0,0 +1,141 @@ +#ifndef __ASM_SH64_CACHE_H +#define __ASM_SH64_CACHE_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/cache.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003, 2004 Paul Mundt + * + */ +#include <asm/cacheflush.h> + +#define L1_CACHE_SHIFT 5 +/* bytes per L1 cache line */ +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#define L1_CACHE_ALIGN_MASK (~(L1_CACHE_BYTES - 1)) +#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES - 1)) & L1_CACHE_ALIGN_MASK) +#define L1_CACHE_SIZE_BYTES (L1_CACHE_BYTES << 10) +/* Largest L1 which this arch supports */ +#define L1_CACHE_SHIFT_MAX 5 + +#ifdef MODULE +#define __cacheline_aligned __attribute__((__aligned__(L1_CACHE_BYTES))) +#else +#define __cacheline_aligned \ + __attribute__((__aligned__(L1_CACHE_BYTES), \ + __section__(".data.cacheline_aligned"))) +#endif + +/* + * Control Registers. + */ +#define ICCR_BASE 0x01600000 /* Instruction Cache Control Register */ +#define ICCR_REG0 0 /* Register 0 offset */ +#define ICCR_REG1 1 /* Register 1 offset */ +#define ICCR0 ICCR_BASE+ICCR_REG0 +#define ICCR1 ICCR_BASE+ICCR_REG1 + +#define ICCR0_OFF 0x0 /* Set ICACHE off */ +#define ICCR0_ON 0x1 /* Set ICACHE on */ +#define ICCR0_ICI 0x2 /* Invalidate all in IC */ + +#define ICCR1_NOLOCK 0x0 /* Set No Locking */ + +#define OCCR_BASE 0x01E00000 /* Operand Cache Control Register */ +#define OCCR_REG0 0 /* Register 0 offset */ +#define OCCR_REG1 1 /* Register 1 offset */ +#define OCCR0 OCCR_BASE+OCCR_REG0 +#define OCCR1 OCCR_BASE+OCCR_REG1 + +#define OCCR0_OFF 0x0 /* Set OCACHE off */ +#define OCCR0_ON 0x1 /* Set OCACHE on */ +#define OCCR0_OCI 0x2 /* Invalidate all in OC */ +#define OCCR0_WT 0x4 /* Set OCACHE in WT Mode */ +#define OCCR0_WB 0x0 /* Set OCACHE in WB Mode */ + +#define OCCR1_NOLOCK 0x0 /* Set No Locking */ + + +/* + * SH-5 + * A bit of description here, for neff=32. + * + * |<--- tag (19 bits) --->| + * +-----------------------------+-----------------+------+----------+------+ + * | | | ways |set index |offset| + * +-----------------------------+-----------------+------+----------+------+ + * ^ 2 bits 8 bits 5 bits + * +- Bit 31 + * + * Cacheline size is based on offset: 5 bits = 32 bytes per line + * A cache line is identified by a tag + set but OCACHETAG/ICACHETAG + * have a broader space for registers. These are outlined by + * CACHE_?C_*_STEP below. + * + */ + +/* Valid and Dirty bits */ +#define SH_CACHE_VALID (1LL<<0) +#define SH_CACHE_UPDATED (1LL<<57) + +/* Cache flags */ +#define SH_CACHE_MODE_WT (1LL<<0) +#define SH_CACHE_MODE_WB (1LL<<1) + +#ifndef __ASSEMBLY__ + +/* + * Cache information structure. + * + * Defined for both I and D cache, per-processor. + */ +struct cache_info { + unsigned int ways; + unsigned int sets; + unsigned int linesz; + + unsigned int way_shift; + unsigned int entry_shift; + unsigned int set_shift; + unsigned int way_step_shift; + unsigned int asid_shift; + + unsigned int way_ofs; + + unsigned int asid_mask; + unsigned int idx_mask; + unsigned int epn_mask; + + unsigned long flags; +}; + +#endif /* __ASSEMBLY__ */ + +/* Instruction cache */ +#define CACHE_IC_ADDRESS_ARRAY 0x01000000 + +/* Operand Cache */ +#define CACHE_OC_ADDRESS_ARRAY 0x01800000 + +/* These declarations relate to cache 'synonyms' in the operand cache. A + 'synonym' occurs where effective address bits overlap between those used for + indexing the cache sets and those passed to the MMU for translation. In the + case of SH5-101 & SH5-103, only bit 12 is affected for 4k pages. */ + +#define CACHE_OC_N_SYNBITS 1 /* Number of synonym bits */ +#define CACHE_OC_SYN_SHIFT 12 +/* Mask to select synonym bit(s) */ +#define CACHE_OC_SYN_MASK (((1UL<<CACHE_OC_N_SYNBITS)-1)<<CACHE_OC_SYN_SHIFT) + + +/* + * Instruction cache can't be invalidated based on physical addresses. + * No Instruction Cache defines required, then. + */ + +#endif /* __ASM_SH64_CACHE_H */ diff --git a/include/asm-sh64/cacheflush.h b/include/asm-sh64/cacheflush.h new file mode 100644 index 000000000000..55f71aa0aa6b --- /dev/null +++ b/include/asm-sh64/cacheflush.h @@ -0,0 +1,48 @@ +#ifndef __ASM_SH64_CACHEFLUSH_H +#define __ASM_SH64_CACHEFLUSH_H + +#ifndef __ASSEMBLY__ + +#include <asm/page.h> + +struct vm_area_struct; +struct page; +struct mm_struct; + +extern void flush_cache_all(void); +extern void flush_cache_mm(struct mm_struct *mm); +extern void flush_cache_sigtramp(unsigned long start, unsigned long end); +extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); +extern void flush_dcache_page(struct page *pg); +extern void flush_icache_range(unsigned long start, unsigned long end); +extern void flush_icache_user_range(struct vm_area_struct *vma, + struct page *page, unsigned long addr, + int len); + +#define flush_dcache_mmap_lock(mapping) do { } while (0) +#define flush_dcache_mmap_unlock(mapping) do { } while (0) + +#define flush_cache_vmap(start, end) flush_cache_all() +#define flush_cache_vunmap(start, end) flush_cache_all() + +#define flush_icache_page(vma, page) do { } while (0) + +#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ + do { \ + flush_cache_page(vma, vaddr, page_to_pfn(page));\ + memcpy(dst, src, len); \ + flush_icache_user_range(vma, page, vaddr, len); \ + } while (0) + +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + do { \ + flush_cache_page(vma, vaddr, page_to_pfn(page));\ + memcpy(dst, src, len); \ + } while (0) + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_SH64_CACHEFLUSH_H */ + diff --git a/include/asm-sh64/cayman.h b/include/asm-sh64/cayman.h new file mode 100644 index 000000000000..7b6b96844842 --- /dev/null +++ b/include/asm-sh64/cayman.h @@ -0,0 +1,20 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/cayman.h + * + * Cayman definitions + * + * Global defintions for the SH5 Cayman board + * + * Copyright (C) 2002 Stuart Menefy + */ + + +/* Setup for the SMSC FDC37C935 / LAN91C100FD */ +#define SMSC_IRQ IRQ_IRL1 + +/* Setup for PCI Bus 2, which transmits interrupts via the EPLD */ +#define PCI2_IRQ IRQ_IRL3 diff --git a/include/asm-sh64/checksum.h b/include/asm-sh64/checksum.h new file mode 100644 index 000000000000..aa3911a99490 --- /dev/null +++ b/include/asm-sh64/checksum.h @@ -0,0 +1,95 @@ +#ifndef __ASM_SH64_CHECKSUM_H +#define __ASM_SH64_CHECKSUM_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/checksum.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <asm/registers.h> + +/* + * computes the checksum of a memory block at buff, length len, + * and adds in "sum" (32-bit) + * + * returns a 32-bit number suitable for feeding into itself + * or csum_tcpudp_magic + * + * this function must be called with even lengths, except + * for the last fragment, which may be odd + * + * it's best to have buff aligned on a 32-bit boundary + */ +asmlinkage unsigned int csum_partial(const unsigned char *buff, int len, + unsigned int sum); + +/* + * Note: when you get a NULL pointer exception here this means someone + * passed in an incorrect kernel address to one of these functions. + * + * If you use these functions directly please don't forget the + * verify_area(). + */ + + +unsigned int csum_partial_copy_nocheck(const char *src, char *dst, int len, + unsigned int sum); + +unsigned int csum_partial_copy_from_user(const char *src, char *dst, + int len, int sum, int *err_ptr); + +/* + * These are the old (and unsafe) way of doing checksums, a warning message will be + * printed if they are used and an exeption occurs. + * + * these functions should go away after some time. + */ + +#define csum_partial_copy_fromuser csum_partial_copy + +unsigned int csum_partial_copy(const char *src, char *dst, int len, + unsigned int sum); + +static inline unsigned short csum_fold(unsigned int sum) +{ + sum = (sum & 0xffff) + (sum >> 16); + sum = (sum & 0xffff) + (sum >> 16); + return ~(sum); +} + +unsigned short ip_fast_csum(unsigned char * iph, unsigned int ihl); + +unsigned long csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, + unsigned short len, unsigned short proto, + unsigned int sum); + +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +static inline unsigned short int csum_tcpudp_magic(unsigned long saddr, + unsigned long daddr, + unsigned short len, + unsigned short proto, + unsigned int sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); +} + +/* + * this routine is used for miscellaneous IP-like checksums, mainly + * in icmp.c + */ +static inline unsigned short ip_compute_csum(unsigned char * buff, int len) +{ + return csum_fold(csum_partial(buff, len, 0)); +} + +#endif /* __ASM_SH64_CHECKSUM_H */ + diff --git a/include/asm-sh64/cpumask.h b/include/asm-sh64/cpumask.h new file mode 100644 index 000000000000..b7b105dbedaf --- /dev/null +++ b/include/asm-sh64/cpumask.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_CPUMASK_H +#define __ASM_SH64_CPUMASK_H + +#include <asm-generic/cpumask.h> + +#endif /* __ASM_SH64_CPUMASK_H */ diff --git a/include/asm-sh64/cputime.h b/include/asm-sh64/cputime.h new file mode 100644 index 000000000000..0fd89da2aa86 --- /dev/null +++ b/include/asm-sh64/cputime.h @@ -0,0 +1,6 @@ +#ifndef __SH64_CPUTIME_H +#define __SH64_CPUTIME_H + +#include <asm-generic/cputime.h> + +#endif /* __SH64_CPUTIME_H */ diff --git a/include/asm-sh64/current.h b/include/asm-sh64/current.h new file mode 100644 index 000000000000..261224339d6f --- /dev/null +++ b/include/asm-sh64/current.h @@ -0,0 +1,28 @@ +#ifndef __ASM_SH64_CURRENT_H +#define __ASM_SH64_CURRENT_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/current.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + */ + +#include <linux/thread_info.h> + +struct task_struct; + +static __inline__ struct task_struct * get_current(void) +{ + return current_thread_info()->task; +} + +#define current get_current() + +#endif /* __ASM_SH64_CURRENT_H */ + diff --git a/include/asm-sh64/delay.h b/include/asm-sh64/delay.h new file mode 100644 index 000000000000..6ae31301a16a --- /dev/null +++ b/include/asm-sh64/delay.h @@ -0,0 +1,11 @@ +#ifndef __ASM_SH64_DELAY_H +#define __ASM_SH64_DELAY_H + +extern void __delay(int loops); +extern void __udelay(unsigned long long usecs, unsigned long lpj); +extern void __ndelay(unsigned long long nsecs, unsigned long lpj); +extern void udelay(unsigned long usecs); +extern void ndelay(unsigned long nsecs); + +#endif /* __ASM_SH64_DELAY_H */ + diff --git a/include/asm-sh64/div64.h b/include/asm-sh64/div64.h new file mode 100644 index 000000000000..f75869565e2e --- /dev/null +++ b/include/asm-sh64/div64.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_DIV64_H +#define __ASM_SH64_DIV64_H + +#include <asm-generic/div64.h> + +#endif /* __ASM_SH64_DIV64_H */ diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h new file mode 100644 index 000000000000..b8d26fe677f4 --- /dev/null +++ b/include/asm-sh64/dma-mapping.h @@ -0,0 +1,162 @@ +#ifndef __ASM_SH_DMA_MAPPING_H +#define __ASM_SH_DMA_MAPPING_H + +#include <linux/config.h> +#include <linux/mm.h> +#include <asm/scatterlist.h> +#include <asm/io.h> + +struct pci_dev; +extern void *consistent_alloc(struct pci_dev *hwdev, size_t size, + dma_addr_t *dma_handle); +extern void consistent_free(struct pci_dev *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle); + +#define dma_supported(dev, mask) (1) + +static inline int dma_set_mask(struct device *dev, u64 mask) +{ + if (!dev->dma_mask || !dma_supported(dev, mask)) + return -EIO; + + *dev->dma_mask = mask; + + return 0; +} + +static inline void *dma_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, int flag) +{ + return consistent_alloc(NULL, size, dma_handle); +} + +static inline void dma_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + consistent_free(NULL, size, vaddr, dma_handle); +} + +static inline void dma_cache_sync(void *vaddr, size_t size, + enum dma_data_direction dir) +{ + dma_cache_wback_inv((unsigned long)vaddr, size); +} + +static inline dma_addr_t dma_map_single(struct device *dev, + void *ptr, size_t size, + enum dma_data_direction dir) +{ +#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT) + if (dev->bus == &pci_bus_type) + return virt_to_bus(ptr); +#endif + dma_cache_sync(ptr, size, dir); + + return virt_to_bus(ptr); +} + +#define dma_unmap_single(dev, addr, size, dir) do { } while (0) + +static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir) +{ + int i; + + for (i = 0; i < nents; i++) { +#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT) + dma_cache_sync(page_address(sg[i].page) + sg[i].offset, + sg[i].length, dir); +#endif + sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset; + } + + return nents; +} + +#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0) + +static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir) +{ + return dma_map_single(dev, page_address(page) + offset, size, dir); +} + +static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address, + size_t size, enum dma_data_direction dir) +{ + dma_unmap_single(dev, dma_address, size, dir); +} + +static inline void dma_sync_single(struct device *dev, dma_addr_t dma_handle, + size_t size, enum dma_data_direction dir) +{ +#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT) + if (dev->bus == &pci_bus_type) + return; +#endif + dma_cache_sync(bus_to_virt(dma_handle), size, dir); +} + +static inline void dma_sync_single_range(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, size_t size, + enum dma_data_direction dir) +{ +#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT) + if (dev->bus == &pci_bus_type) + return; +#endif + dma_cache_sync(bus_to_virt(dma_handle) + offset, size, dir); +} + +static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg, + int nelems, enum dma_data_direction dir) +{ + int i; + + for (i = 0; i < nelems; i++) { +#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT) + dma_cache_sync(page_address(sg[i].page) + sg[i].offset, + sg[i].length, dir); +#endif + sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset; + } +} + +static inline void dma_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, size_t size, + enum dma_data_direction dir) + __attribute__ ((alias("dma_sync_single"))); + +static inline void dma_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, size_t size, + enum dma_data_direction dir) + __attribute__ ((alias("dma_sync_single"))); + +static inline void dma_sync_sg_for_cpu(struct device *dev, + struct scatterlist *sg, int nelems, + enum dma_data_direction dir) + __attribute__ ((alias("dma_sync_sg"))); + +static inline void dma_sync_sg_for_device(struct device *dev, + struct scatterlist *sg, int nelems, + enum dma_data_direction dir) + __attribute__ ((alias("dma_sync_sg"))); + +static inline int dma_get_cache_alignment(void) +{ + /* + * Each processor family will define its own L1_CACHE_SHIFT, + * L1_CACHE_BYTES wraps to this, so this is always safe. + */ + return L1_CACHE_BYTES; +} + +static inline int dma_mapping_error(dma_addr_t dma_addr) +{ + return dma_addr == 0; +} + +#endif /* __ASM_SH_DMA_MAPPING_H */ + diff --git a/include/asm-sh64/dma.h b/include/asm-sh64/dma.h new file mode 100644 index 000000000000..e701f39470a2 --- /dev/null +++ b/include/asm-sh64/dma.h @@ -0,0 +1,41 @@ +#ifndef __ASM_SH64_DMA_H +#define __ASM_SH64_DMA_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/dma.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + */ + +#include <linux/mm.h> +#include <asm/io.h> +#include <asm/pgtable.h> + +#define MAX_DMA_CHANNELS 4 + +/* + * SH5 can DMA in any memory area. + * + * The static definition is dodgy because it should limit + * the highest DMA-able address based on the actual + * Physical memory available. This is actually performed + * at run time in defining the memory allowed to DMA_ZONE. + */ +#define MAX_DMA_ADDRESS ~(NPHYS_MASK) + +#define DMA_MODE_READ 0 +#define DMA_MODE_WRITE 1 + +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; +#else +#define isa_dma_bridge_buggy (0) +#endif + +#endif /* __ASM_SH64_DMA_H */ diff --git a/include/asm-sh64/elf.h b/include/asm-sh64/elf.h new file mode 100644 index 000000000000..f994286e1998 --- /dev/null +++ b/include/asm-sh64/elf.h @@ -0,0 +1,107 @@ +#ifndef __ASM_SH64_ELF_H +#define __ASM_SH64_ELF_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/elf.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* + * ELF register definitions.. + */ + +#include <asm/ptrace.h> +#include <asm/user.h> +#include <asm/byteorder.h> + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +typedef struct user_fpu_struct elf_fpregset_t; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) ( (x)->e_machine == EM_SH ) + +/* + * These are used to set parameters in the core dumps. + */ +#define ELF_CLASS ELFCLASS32 +#ifdef __LITTLE_ENDIAN__ +#define ELF_DATA ELFDATA2LSB +#else +#define ELF_DATA ELFDATA2MSB +#endif +#define ELF_ARCH EM_SH + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +/* This is the location that an ET_DYN program is loaded if exec'ed. Typical + use of this is to invoke "./ld.so someprog" to test out a new version of + the loader. We need to make sure that it is out of the way of the program + that it will "exec", and that there is sufficient room for the brk. */ + +#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) + +#define R_SH_DIR32 1 +#define R_SH_REL32 2 +#define R_SH_IMM_LOW16 246 +#define R_SH_IMM_LOW16_PCREL 247 +#define R_SH_IMM_MEDLOW16 248 +#define R_SH_IMM_MEDLOW16_PCREL 249 + +#define ELF_CORE_COPY_REGS(_dest,_regs) \ + memcpy((char *) &_dest, (char *) _regs, \ + sizeof(struct pt_regs)); + +/* This yields a mask that user programs can use to figure out what + instruction set this CPU supports. This could be done in user space, + but it's not easy, and we've already done it here. */ + +#define ELF_HWCAP (0) + +/* This yields a string that ld.so will use to load implementation + specific libraries for optimization. This is more specific in + intent than poking at uname or /proc/cpuinfo. + + For the moment, we have only optimizations for the Intel generations, + but that could change... */ + +#define ELF_PLATFORM (NULL) + +#define ELF_PLAT_INIT(_r, load_addr) \ + do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ + _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ + _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ + _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \ + _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \ + _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \ + _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \ + _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \ + _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \ + _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \ + _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \ + _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \ + _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \ + _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \ + _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \ + _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \ + _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \ + _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \ + _r->sr = SR_FD | SR_MMU; } while (0) + +#ifdef __KERNEL__ +#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) +#endif + +#endif /* __ASM_SH64_ELF_H */ diff --git a/include/asm-sh64/errno.h b/include/asm-sh64/errno.h new file mode 100644 index 000000000000..57b46d4bdd41 --- /dev/null +++ b/include/asm-sh64/errno.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_ERRNO_H +#define __ASM_SH64_ERRNO_H + +#include <asm-generic/errno.h> + +#endif /* __ASM_SH64_ERRNO_H */ diff --git a/include/asm-sh64/fcntl.h b/include/asm-sh64/fcntl.h new file mode 100644 index 000000000000..ffcc36c64fa5 --- /dev/null +++ b/include/asm-sh64/fcntl.h @@ -0,0 +1,7 @@ +#ifndef __ASM_SH64_FCNTL_H +#define __ASM_SH64_FCNTL_H + +#include <asm-sh/fcntl.h> + +#endif /* __ASM_SH64_FCNTL_H */ + diff --git a/include/asm-sh64/hardirq.h b/include/asm-sh64/hardirq.h new file mode 100644 index 000000000000..ad2330e41fd5 --- /dev/null +++ b/include/asm-sh64/hardirq.h @@ -0,0 +1,19 @@ +#ifndef __ASM_SH64_HARDIRQ_H +#define __ASM_SH64_HARDIRQ_H + +#include <linux/config.h> +#include <linux/threads.h> +#include <linux/irq.h> + +/* entry.S is sensitive to the offsets of these fields */ +typedef struct { + unsigned int __softirq_pending; +} ____cacheline_aligned irq_cpustat_t; + +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +/* arch/sh64/kernel/irq.c */ +extern void ack_bad_irq(unsigned int irq); + +#endif /* __ASM_SH64_HARDIRQ_H */ + diff --git a/include/asm-sh64/hardware.h b/include/asm-sh64/hardware.h new file mode 100644 index 000000000000..931c1ad80847 --- /dev/null +++ b/include/asm-sh64/hardware.h @@ -0,0 +1,22 @@ +#ifndef __ASM_SH64_HARDWARE_H +#define __ASM_SH64_HARDWARE_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/hardware.h + * + * Copyright (C) 2002 Stuart Menefy + * Copyright (C) 2003 Paul Mundt + * + * Defitions of the locations of registers in the physical address space. + */ + +#define PHYS_PERIPHERAL_BLOCK 0x09000000 +#define PHYS_DMAC_BLOCK 0x0e000000 +#define PHYS_PCI_BLOCK 0x60000000 +#define PHYS_EMI_BLOCK 0xff000000 + +#endif /* __ASM_SH64_HARDWARE_H */ diff --git a/include/asm-sh64/hdreg.h b/include/asm-sh64/hdreg.h new file mode 100644 index 000000000000..52d983635a27 --- /dev/null +++ b/include/asm-sh64/hdreg.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_HDREG_H +#define __ASM_SH64_HDREG_H + +#include <asm-generic/hdreg.h> + +#endif /* __ASM_SH64_HDREG_H */ diff --git a/include/asm-sh64/hw_irq.h b/include/asm-sh64/hw_irq.h new file mode 100644 index 000000000000..ae718d1f2d6c --- /dev/null +++ b/include/asm-sh64/hw_irq.h @@ -0,0 +1,16 @@ +#ifndef __ASM_SH64_HW_IRQ_H +#define __ASM_SH64_HW_IRQ_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/hw_irq.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ +static __inline__ void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) { /* Nothing to do */ } + +#endif /* __ASM_SH64_HW_IRQ_H */ diff --git a/include/asm-sh64/ide.h b/include/asm-sh64/ide.h new file mode 100644 index 000000000000..6fd514daa1ba --- /dev/null +++ b/include/asm-sh64/ide.h @@ -0,0 +1,35 @@ +/* + * linux/include/asm-sh64/ide.h + * + * Copyright (C) 1994-1996 Linus Torvalds & authors + * + * sh64 version by Richard Curnow & Paul Mundt + */ + +/* + * This file contains the sh64 architecture specific IDE code. + */ + +#ifndef __ASM_SH64_IDE_H +#define __ASM_SH64_IDE_H + +#ifdef __KERNEL__ + +#include <linux/config.h> + +#ifndef MAX_HWIFS +#define MAX_HWIFS CONFIG_IDE_MAX_HWIFS +#endif + +/* Without this, the initialisation of PCI IDE cards end up calling + * ide_init_hwif_ports, which won't work. */ +#ifdef CONFIG_BLK_DEV_IDEPCI +#define IDE_ARCH_OBSOLETE_INIT 1 +#define ide_default_io_ctl(base) (0) +#endif + +#include <asm-generic/ide_iops.h> + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH64_IDE_H */ diff --git a/include/asm-sh64/io.h b/include/asm-sh64/io.h new file mode 100644 index 000000000000..cfafaa73b2b0 --- /dev/null +++ b/include/asm-sh64/io.h @@ -0,0 +1,250 @@ +#ifndef __ASM_SH64_IO_H +#define __ASM_SH64_IO_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/io.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + */ + +/* + * Convention: + * read{b,w,l}/write{b,w,l} are for PCI, + * while in{b,w,l}/out{b,w,l} are for ISA + * These may (will) be platform specific function. + * + * In addition, we have + * ctrl_in{b,w,l}/ctrl_out{b,w,l} for SuperH specific I/O. + * which are processor specific. Address should be the result of + * onchip_remap(); + */ + +#include <linux/compiler.h> +#include <asm/cache.h> +#include <asm/system.h> +#include <asm/page.h> +#include <asm-generic/iomap.h> + +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt +#define page_to_bus page_to_phys + +/* + * Nothing overly special here.. instead of doing the same thing + * over and over again, we just define a set of sh64_in/out functions + * with an implicit size. The traditional read{b,w,l}/write{b,w,l} + * mess is wrapped to this, as are the SH-specific ctrl_in/out routines. + */ +static inline unsigned char sh64_in8(const volatile void __iomem *addr) +{ + return *(volatile unsigned char __force *)addr; +} + +static inline unsigned short sh64_in16(const volatile void __iomem *addr) +{ + return *(volatile unsigned short __force *)addr; +} + +static inline unsigned int sh64_in32(const volatile void __iomem *addr) +{ + return *(volatile unsigned int __force *)addr; +} + +static inline unsigned long long sh64_in64(const volatile void __iomem *addr) +{ + return *(volatile unsigned long long __force *)addr; +} + +static inline void sh64_out8(unsigned char b, volatile void __iomem *addr) +{ + *(volatile unsigned char __force *)addr = b; + wmb(); +} + +static inline void sh64_out16(unsigned short b, volatile void __iomem *addr) +{ + *(volatile unsigned short __force *)addr = b; + wmb(); +} + +static inline void sh64_out32(unsigned int b, volatile void __iomem *addr) +{ + *(volatile unsigned int __force *)addr = b; + wmb(); +} + +static inline void sh64_out64(unsigned long long b, volatile void __iomem *addr) +{ + *(volatile unsigned long long __force *)addr = b; + wmb(); +} + +#define readb(addr) sh64_in8(addr) +#define readw(addr) sh64_in16(addr) +#define readl(addr) sh64_in32(addr) +#define readb_relaxed(addr) sh64_in8(addr) +#define readw_relaxed(addr) sh64_in16(addr) +#define readl_relaxed(addr) sh64_in32(addr) + +#define writeb(b, addr) sh64_out8(b, addr) +#define writew(b, addr) sh64_out16(b, addr) +#define writel(b, addr) sh64_out32(b, addr) + +#define ctrl_inb(addr) sh64_in8(ioport_map(addr, 1)) +#define ctrl_inw(addr) sh64_in16(ioport_map(addr, 2)) +#define ctrl_inl(addr) sh64_in32(ioport_map(addr, 4)) + +#define ctrl_outb(b, addr) sh64_out8(b, ioport_map(addr, 1)) +#define ctrl_outw(b, addr) sh64_out16(b, ioport_map(addr, 2)) +#define ctrl_outl(b, addr) sh64_out32(b, ioport_map(addr, 4)) + +#define ioread8(addr) sh64_in8(addr) +#define ioread16(addr) sh64_in16(addr) +#define ioread32(addr) sh64_in32(addr) +#define iowrite8(b, addr) sh64_out8(b, addr) +#define iowrite16(b, addr) sh64_out16(b, addr) +#define iowrite32(b, addr) sh64_out32(b, addr) + +#define inb(addr) ctrl_inb(addr) +#define inw(addr) ctrl_inw(addr) +#define inl(addr) ctrl_inl(addr) +#define outb(b, addr) ctrl_outb(b, addr) +#define outw(b, addr) ctrl_outw(b, addr) +#define outl(b, addr) ctrl_outl(b, addr) + +void outsw(unsigned long port, const void *addr, unsigned long count); +void insw(unsigned long port, void *addr, unsigned long count); +void outsl(unsigned long port, const void *addr, unsigned long count); +void insl(unsigned long port, void *addr, unsigned long count); + +void memcpy_toio(void __iomem *to, const void *from, long count); +void memcpy_fromio(void *to, void __iomem *from, long count); + +#define mmiowb() + +#ifdef __KERNEL__ + +#ifdef CONFIG_SH_CAYMAN +extern unsigned long smsc_superio_virt; +#endif +#ifdef CONFIG_PCI +extern unsigned long pciio_virt; +#endif + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * Change virtual addresses to physical addresses and vv. + * These are trivial on the 1:1 Linux/SuperH mapping + */ +extern __inline__ unsigned long virt_to_phys(volatile void * address) +{ + return __pa(address); +} + +extern __inline__ void * phys_to_virt(unsigned long address) +{ + return __va(address); +} + +extern void * __ioremap(unsigned long phys_addr, unsigned long size, + unsigned long flags); + +extern __inline__ void * ioremap(unsigned long phys_addr, unsigned long size) +{ + return __ioremap(phys_addr, size, 1); +} + +extern __inline__ void * ioremap_nocache (unsigned long phys_addr, unsigned long size) +{ + return __ioremap(phys_addr, size, 0); +} + +extern void iounmap(void *addr); + +unsigned long onchip_remap(unsigned long addr, unsigned long size, const char* name); +extern void onchip_unmap(unsigned long vaddr); + +static __inline__ int check_signature(volatile void __iomem *io_addr, + const unsigned char *signature, int length) +{ + int retval = 0; + do { + if (readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + +/* + * The caches on some architectures aren't dma-coherent and have need to + * handle this in software. There are three types of operations that + * can be applied to dma buffers. + * + * - dma_cache_wback_inv(start, size) makes caches and RAM coherent by + * writing the content of the caches back to memory, if necessary. + * The function also invalidates the affected part of the caches as + * necessary before DMA transfers from outside to memory. + * - dma_cache_inv(start, size) invalidates the affected parts of the + * caches. Dirty lines of the caches may be written back or simply + * be discarded. This operation is necessary before dma operations + * to the memory. + * - dma_cache_wback(start, size) writes back any dirty lines but does + * not invalidate the cache. This can be used before DMA reads from + * memory, + */ + +static __inline__ void dma_cache_wback_inv (unsigned long start, unsigned long size) +{ + unsigned long s = start & L1_CACHE_ALIGN_MASK; + unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK; + + for (; s <= e; s += L1_CACHE_BYTES) + asm volatile ("ocbp %0, 0" : : "r" (s)); +} + +static __inline__ void dma_cache_inv (unsigned long start, unsigned long size) +{ + // Note that caller has to be careful with overzealous + // invalidation should there be partial cache lines at the extremities + // of the specified range + unsigned long s = start & L1_CACHE_ALIGN_MASK; + unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK; + + for (; s <= e; s += L1_CACHE_BYTES) + asm volatile ("ocbi %0, 0" : : "r" (s)); +} + +static __inline__ void dma_cache_wback (unsigned long start, unsigned long size) +{ + unsigned long s = start & L1_CACHE_ALIGN_MASK; + unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK; + + for (; s <= e; s += L1_CACHE_BYTES) + asm volatile ("ocbwb %0, 0" : : "r" (s)); +} + +/* + * Convert a physical pointer to a virtual kernel pointer for /dev/mem + * access + */ +#define xlate_dev_mem_ptr(p) __va(p) + +/* + * Convert a virtual cached pointer to an uncached pointer + */ +#define xlate_dev_kmem_ptr(p) p + +#endif /* __KERNEL__ */ +#endif /* __ASM_SH64_IO_H */ diff --git a/include/asm-sh64/ioctl.h b/include/asm-sh64/ioctl.h new file mode 100644 index 000000000000..c089a6fb78e0 --- /dev/null +++ b/include/asm-sh64/ioctl.h @@ -0,0 +1,83 @@ +#ifndef __ASM_SH64_IOCTL_H +#define __ASM_SH64_IOCTL_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/ioctl.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + * linux/ioctl.h for Linux by H.H. Bergman. + * + */ + +/* ioctl command encoding: 32 bits total, command in lower 16 bits, + * size of the parameter structure in the lower 14 bits of the + * upper 16 bits. + * Encoding the size of the parameter structure in the ioctl request + * is useful for catching programs compiled with old versions + * and to avoid overwriting user space outside the user buffer area. + * The highest 2 bits are reserved for indicating the ``access mode''. + * NOTE: This limits the max parameter size to 16kB -1 ! + */ + +/* + * The following is for compatibility across the various Linux + * platforms. The i386 ioctl numbering scheme doesn't really enforce + * a type field. De facto, however, the top 8 bits of the lower 16 + * bits are indeed used as a type field, so we might just as well make + * this explicit here. Please be sure to use the decoding macros + * below from now on. + */ +#define _IOC_NRBITS 8 +#define _IOC_TYPEBITS 8 +#define _IOC_SIZEBITS 14 +#define _IOC_DIRBITS 2 + +#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1) +#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1) +#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1) +#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1) + +#define _IOC_NRSHIFT 0 +#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS) +#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS) +#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS) + +/* + * Direction bits. + */ +#define _IOC_NONE 0U +#define _IOC_WRITE 1U +#define _IOC_READ 2U + +#define _IOC(dir,type,nr,size) \ + (((dir) << _IOC_DIRSHIFT) | \ + ((type) << _IOC_TYPESHIFT) | \ + ((nr) << _IOC_NRSHIFT) | \ + ((size) << _IOC_SIZESHIFT)) + +/* used to create numbers */ +#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) +#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size)) +#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size)) +#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size)) + +/* used to decode ioctl numbers.. */ +#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) +#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK) +#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK) +#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK) + +/* ...and for the drivers/sound files... */ + +#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT) +#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT) +#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT) +#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT) +#define IOCSIZE_SHIFT (_IOC_SIZESHIFT) + +#endif /* __ASM_SH64_IOCTL_H */ diff --git a/include/asm-sh64/ioctls.h b/include/asm-sh64/ioctls.h new file mode 100644 index 000000000000..08f3c1f2e419 --- /dev/null +++ b/include/asm-sh64/ioctls.h @@ -0,0 +1,116 @@ +#ifndef __ASM_SH64_IOCTLS_H +#define __ASM_SH64_IOCTLS_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/ioctls.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2004 Richard Curnow + * + */ + +#include <asm/ioctl.h> + +#define FIOCLEX 0x6601 /* _IO('f', 1) */ +#define FIONCLEX 0x6602 /* _IO('f', 2) */ +#define FIOASYNC 0x4004667d /* _IOW('f', 125, int) */ +#define FIONBIO 0x4004667e /* _IOW('f', 126, int) */ +#define FIONREAD 0x8004667f /* _IOW('f', 127, int) */ +#define TIOCINQ FIONREAD +#define FIOQSIZE 0x80086680 /* _IOR('f', 128, loff_t) */ + +#define TCGETS 0x5401 +#define TCSETS 0x5402 +#define TCSETSW 0x5403 +#define TCSETSF 0x5404 + +#define TCGETA 0x80127417 /* _IOR('t', 23, struct termio) */ +#define TCSETA 0x40127418 /* _IOW('t', 24, struct termio) */ +#define TCSETAW 0x40127419 /* _IOW('t', 25, struct termio) */ +#define TCSETAF 0x4012741c /* _IOW('t', 28, struct termio) */ + +#define TCSBRK 0x741d /* _IO('t', 29) */ +#define TCXONC 0x741e /* _IO('t', 30) */ +#define TCFLSH 0x741f /* _IO('t', 31) */ + +#define TIOCSWINSZ 0x40087467 /* _IOW('t', 103, struct winsize) */ +#define TIOCGWINSZ 0x80087468 /* _IOR('t', 104, struct winsize) */ +#define TIOCSTART 0x746e /* _IO('t', 110) start output, like ^Q */ +#define TIOCSTOP 0x746f /* _IO('t', 111) stop output, like ^S */ +#define TIOCOUTQ 0x80047473 /* _IOR('t', 115, int) output queue size */ + +#define TIOCSPGRP 0x40047476 /* _IOW('t', 118, int) */ +#define TIOCGPGRP 0x80047477 /* _IOR('t', 119, int) */ + +#define TIOCEXCL 0x540c /* _IO('T', 12) */ +#define TIOCNXCL 0x540d /* _IO('T', 13) */ +#define TIOCSCTTY 0x540e /* _IO('T', 14) */ + +#define TIOCSTI 0x40015412 /* _IOW('T', 18, char) 0x5412 */ +#define TIOCMGET 0x80045415 /* _IOR('T', 21, unsigned int) 0x5415 */ +#define TIOCMBIS 0x40045416 /* _IOW('T', 22, unsigned int) 0x5416 */ +#define TIOCMBIC 0x40045417 /* _IOW('T', 23, unsigned int) 0x5417 */ +#define TIOCMSET 0x40045418 /* _IOW('T', 24, unsigned int) 0x5418 */ + +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG + +#define TIOCGSOFTCAR 0x80045419 /* _IOR('T', 25, unsigned int) 0x5419 */ +#define TIOCSSOFTCAR 0x4004541a /* _IOW('T', 26, unsigned int) 0x541A */ +#define TIOCLINUX 0x4004541c /* _IOW('T', 28, char) 0x541C */ +#define TIOCCONS 0x541d /* _IO('T', 29) */ +#define TIOCGSERIAL 0x803c541e /* _IOR('T', 30, struct serial_struct) 0x541E */ +#define TIOCSSERIAL 0x403c541f /* _IOW('T', 31, struct serial_struct) 0x541F */ +#define TIOCPKT 0x40045420 /* _IOW('T', 32, int) 0x5420 */ + +#define TIOCPKT_DATA 0 +#define TIOCPKT_FLUSHREAD 1 +#define TIOCPKT_FLUSHWRITE 2 +#define TIOCPKT_STOP 4 +#define TIOCPKT_START 8 +#define TIOCPKT_NOSTOP 16 +#define TIOCPKT_DOSTOP 32 + + +#define TIOCNOTTY 0x5422 /* _IO('T', 34) */ +#define TIOCSETD 0x40045423 /* _IOW('T', 35, int) 0x5423 */ +#define TIOCGETD 0x80045424 /* _IOR('T', 36, int) 0x5424 */ +#define TCSBRKP 0x40045424 /* _IOW('T', 37, int) 0x5425 */ /* Needed for POSIX tcsendbreak() */ +#define TIOCTTYGSTRUCT 0x8c105426 /* _IOR('T', 38, struct tty_struct) 0x5426 */ /* For debugging only */ +#define TIOCSBRK 0x5427 /* _IO('T', 39) */ /* BSD compatibility */ +#define TIOCCBRK 0x5428 /* _IO('T', 40) */ /* BSD compatibility */ +#define TIOCGSID 0x80045429 /* _IOR('T', 41, pid_t) 0x5429 */ /* Return the session ID of FD */ +#define TIOCGPTN 0x80045430 /* _IOR('T',0x30, unsigned int) 0x5430 Get Pty Number (of pty-mux device) */ +#define TIOCSPTLCK 0x40045431 /* _IOW('T',0x31, int) Lock/unlock Pty */ + +#define TIOCSERCONFIG 0x5453 /* _IO('T', 83) */ +#define TIOCSERGWILD 0x80045454 /* _IOR('T', 84, int) 0x5454 */ +#define TIOCSERSWILD 0x40045455 /* _IOW('T', 85, int) 0x5455 */ +#define TIOCGLCKTRMIOS 0x5456 +#define TIOCSLCKTRMIOS 0x5457 +#define TIOCSERGSTRUCT 0x80d85458 /* _IOR('T', 88, struct async_struct) 0x5458 */ /* For debugging only */ +#define TIOCSERGETLSR 0x80045459 /* _IOR('T', 89, unsigned int) 0x5459 */ /* Get line status register */ + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ +#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ + +#define TIOCSERGETMULTI 0x80a8545a /* _IOR('T', 90, struct serial_multiport_struct) 0x545A */ /* Get multiport config */ +#define TIOCSERSETMULTI 0x40a8545b /* _IOW('T', 91, struct serial_multiport_struct) 0x545B */ /* Set multiport config */ + +#define TIOCMIWAIT 0x545c /* _IO('T', 92) wait for a change on serial input line(s) */ +#define TIOCGICOUNT 0x802c545d /* _IOR('T', 93, struct async_icount) 0x545D */ /* read serial port inline interrupt counts */ + +#endif /* __ASM_SH64_IOCTLS_H */ diff --git a/include/asm-sh64/ipc.h b/include/asm-sh64/ipc.h new file mode 100644 index 000000000000..a46e3d9c2a3f --- /dev/null +++ b/include/asm-sh64/ipc.h @@ -0,0 +1 @@ +#include <asm-generic/ipc.h> diff --git a/include/asm-sh64/ipcbuf.h b/include/asm-sh64/ipcbuf.h new file mode 100644 index 000000000000..c441e35299c0 --- /dev/null +++ b/include/asm-sh64/ipcbuf.h @@ -0,0 +1,40 @@ +#ifndef __ASM_SH64_IPCBUF_H__ +#define __ASM_SH64_IPCBUF_H__ + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/ipcbuf.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* + * The ipc64_perm structure for i386 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 32-bit mode_t and seq + * - 2 miscellaneous 32-bit values + */ + +struct ipc64_perm +{ + __kernel_key_t key; + __kernel_uid32_t uid; + __kernel_gid32_t gid; + __kernel_uid32_t cuid; + __kernel_gid32_t cgid; + __kernel_mode_t mode; + unsigned short __pad1; + unsigned short seq; + unsigned short __pad2; + unsigned long __unused1; + unsigned long __unused2; +}; + +#endif /* __ASM_SH64_IPCBUF_H__ */ diff --git a/include/asm-sh64/irq.h b/include/asm-sh64/irq.h new file mode 100644 index 000000000000..f815b43df845 --- /dev/null +++ b/include/asm-sh64/irq.h @@ -0,0 +1,149 @@ +#ifndef __ASM_SH64_IRQ_H +#define __ASM_SH64_IRQ_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/irq.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <linux/config.h> + +/* + * Encoded IRQs are not considered worth to be supported. + * Main reason is that there's no per-encoded-interrupt + * enable/disable mechanism (as there was in SH3/4). + * An all enabled/all disabled is worth only if there's + * a cascaded IC to disable/enable/ack on. Until such + * IC is available there's no such support. + * + * Presumably Encoded IRQs may use extra IRQs beyond 64, + * below. Some logic must be added to cope with IRQ_IRL? + * in an exclusive way. + * + * Priorities are set at Platform level, when IRQ_IRL0-3 + * are set to 0 Encoding is allowed. Otherwise it's not + * allowed. + */ + +/* Independent IRQs */ +#define IRQ_IRL0 0 +#define IRQ_IRL1 1 +#define IRQ_IRL2 2 +#define IRQ_IRL3 3 + +#define IRQ_INTA 4 +#define IRQ_INTB 5 +#define IRQ_INTC 6 +#define IRQ_INTD 7 + +#define IRQ_SERR 12 +#define IRQ_ERR 13 +#define IRQ_PWR3 14 +#define IRQ_PWR2 15 +#define IRQ_PWR1 16 +#define IRQ_PWR0 17 + +#define IRQ_DMTE0 18 +#define IRQ_DMTE1 19 +#define IRQ_DMTE2 20 +#define IRQ_DMTE3 21 +#define IRQ_DAERR 22 + +#define IRQ_TUNI0 32 +#define IRQ_TUNI1 33 +#define IRQ_TUNI2 34 +#define IRQ_TICPI2 35 + +#define IRQ_ATI 36 +#define IRQ_PRI 37 +#define IRQ_CUI 38 + +#define IRQ_ERI 39 +#define IRQ_RXI 40 +#define IRQ_BRI 41 +#define IRQ_TXI 42 + +#define IRQ_ITI 63 + +#define NR_INTC_IRQS 64 + +#ifdef CONFIG_SH_CAYMAN +#define NR_EXT_IRQS 32 +#define START_EXT_IRQS 64 + +/* PCI bus 2 uses encoded external interrupts on the Cayman board */ +#define IRQ_P2INTA (START_EXT_IRQS + (3*8) + 0) +#define IRQ_P2INTB (START_EXT_IRQS + (3*8) + 1) +#define IRQ_P2INTC (START_EXT_IRQS + (3*8) + 2) +#define IRQ_P2INTD (START_EXT_IRQS + (3*8) + 3) + +#define I8042_KBD_IRQ (START_EXT_IRQS + 2) +#define I8042_AUX_IRQ (START_EXT_IRQS + 6) + +#define IRQ_CFCARD (START_EXT_IRQS + 7) +#define IRQ_PCMCIA (0) + +#else +#define NR_EXT_IRQS 0 +#endif + +#define NR_IRQS (NR_INTC_IRQS+NR_EXT_IRQS) + + +/* Default IRQs, fixed */ +#define TIMER_IRQ IRQ_TUNI0 +#define RTC_IRQ IRQ_CUI + +/* Default Priorities, Platform may choose differently */ +#define NO_PRIORITY 0 /* Disabled */ +#define TIMER_PRIORITY 2 +#define RTC_PRIORITY TIMER_PRIORITY +#define SCIF_PRIORITY 3 +#define INTD_PRIORITY 3 +#define IRL3_PRIORITY 4 +#define INTC_PRIORITY 6 +#define IRL2_PRIORITY 7 +#define INTB_PRIORITY 9 +#define IRL1_PRIORITY 10 +#define INTA_PRIORITY 12 +#define IRL0_PRIORITY 13 +#define TOP_PRIORITY 15 + +extern void disable_irq(unsigned int); +extern void disable_irq_nosync(unsigned int); +extern void enable_irq(unsigned int); + +extern int intc_evt_to_irq[(0xE20/0x20)+1]; +int intc_irq_describe(char* p, int irq); + +#define irq_canonicalize(irq) (irq) + +#ifdef CONFIG_SH_CAYMAN +int cayman_irq_demux(int evt); +int cayman_irq_describe(char* p, int irq); +#define irq_demux(x) cayman_irq_demux(x) +#define irq_describe(p, x) cayman_irq_describe(p, x) +#else +#define irq_demux(x) (intc_evt_to_irq[x]) +#define irq_describe(p, x) intc_irq_describe(p, x) +#endif + +/* + * Function for "on chip support modules". + */ + +/* + * SH-5 supports Priority based interrupts only. + * Interrupt priorities are defined at platform level. + */ +#define set_ipr_data(a, b, c, d) +#define make_ipr_irq(a) +#define make_imask_irq(a) + +#endif /* __ASM_SH64_IRQ_H */ diff --git a/include/asm-sh64/keyboard.h b/include/asm-sh64/keyboard.h new file mode 100644 index 000000000000..733e2bbe7b8c --- /dev/null +++ b/include/asm-sh64/keyboard.h @@ -0,0 +1,74 @@ +/* + * linux/include/asm-shmedia/keyboard.h + * + * Copied from i386 version: + * Created 3 Nov 1996 by Geert Uytterhoeven + */ + +/* + * This file contains the i386 architecture specific keyboard definitions + */ + +#ifndef __ASM_SH64_KEYBOARD_H +#define __ASM_SH64_KEYBOARD_H + +#ifdef __KERNEL__ + +#include <linux/kernel.h> +#include <linux/ioport.h> +#include <asm/io.h> + +#ifdef CONFIG_SH_CAYMAN +#define KEYBOARD_IRQ (START_EXT_IRQS + 2) /* SMSC SuperIO IRQ 1 */ +#endif +#define DISABLE_KBD_DURING_INTERRUPTS 0 + +extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode); +extern int pckbd_getkeycode(unsigned int scancode); +extern int pckbd_translate(unsigned char scancode, unsigned char *keycode, + char raw_mode); +extern char pckbd_unexpected_up(unsigned char keycode); +extern void pckbd_leds(unsigned char leds); +extern void pckbd_init_hw(void); +extern unsigned char pckbd_sysrq_xlate[128]; + +#define kbd_setkeycode pckbd_setkeycode +#define kbd_getkeycode pckbd_getkeycode +#define kbd_translate pckbd_translate +#define kbd_unexpected_up pckbd_unexpected_up +#define kbd_leds pckbd_leds +#define kbd_init_hw pckbd_init_hw +#define kbd_sysrq_xlate pckbd_sysrq_xlate + +#define SYSRQ_KEY 0x54 + +/* resource allocation */ +#define kbd_request_region() +#define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \ + "keyboard", NULL) + +/* How to access the keyboard macros on this platform. */ +#define kbd_read_input() inb(KBD_DATA_REG) +#define kbd_read_status() inb(KBD_STATUS_REG) +#define kbd_write_output(val) outb(val, KBD_DATA_REG) +#define kbd_write_command(val) outb(val, KBD_CNTL_REG) + +/* Some stoneage hardware needs delays after some operations. */ +#define kbd_pause() do { } while(0) + +/* + * Machine specific bits for the PS/2 driver + */ + +#ifdef CONFIG_SH_CAYMAN +#define AUX_IRQ (START_EXT_IRQS + 6) /* SMSC SuperIO IRQ12 */ +#endif + +#define aux_request_irq(hand, dev_id) \ + request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS2 Mouse", dev_id) + +#define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id) + +#endif /* __KERNEL__ */ +#endif /* __ASM_SH64_KEYBOARD_H */ + diff --git a/include/asm-sh64/kmap_types.h b/include/asm-sh64/kmap_types.h new file mode 100644 index 000000000000..2ae7c7587919 --- /dev/null +++ b/include/asm-sh64/kmap_types.h @@ -0,0 +1,7 @@ +#ifndef __ASM_SH64_KMAP_TYPES_H +#define __ASM_SH64_KMAP_TYPES_H + +#include <asm-sh/kmap_types.h> + +#endif /* __ASM_SH64_KMAP_TYPES_H */ + diff --git a/include/asm-sh64/linkage.h b/include/asm-sh64/linkage.h new file mode 100644 index 000000000000..1dd0e84a228d --- /dev/null +++ b/include/asm-sh64/linkage.h @@ -0,0 +1,7 @@ +#ifndef __ASM_SH64_LINKAGE_H +#define __ASM_SH64_LINKAGE_H + +#include <asm-sh/linkage.h> + +#endif /* __ASM_SH64_LINKAGE_H */ + diff --git a/include/asm-sh64/local.h b/include/asm-sh64/local.h new file mode 100644 index 000000000000..d9bd95dd36e2 --- /dev/null +++ b/include/asm-sh64/local.h @@ -0,0 +1,7 @@ +#ifndef __ASM_SH64_LOCAL_H +#define __ASM_SH64_LOCAL_H + +#include <asm-generic/local.h> + +#endif /* __ASM_SH64_LOCAL_H */ + diff --git a/include/asm-sh64/mc146818rtc.h b/include/asm-sh64/mc146818rtc.h new file mode 100644 index 000000000000..6cd3aec68dbe --- /dev/null +++ b/include/asm-sh64/mc146818rtc.h @@ -0,0 +1,7 @@ +/* + * linux/include/asm-sh64/mc146818rtc.h + * +*/ + +/* For now, an empty place-holder to get IDE to compile. */ + diff --git a/include/asm-sh64/mman.h b/include/asm-sh64/mman.h new file mode 100644 index 000000000000..a9be6d885c3e --- /dev/null +++ b/include/asm-sh64/mman.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_MMAN_H +#define __ASM_SH64_MMAN_H + +#include <asm-sh/mman.h> + +#endif /* __ASM_SH64_MMAN_H */ diff --git a/include/asm-sh64/mmu.h b/include/asm-sh64/mmu.h new file mode 100644 index 000000000000..ccd36d26615a --- /dev/null +++ b/include/asm-sh64/mmu.h @@ -0,0 +1,7 @@ +#ifndef __MMU_H +#define __MMU_H + +/* Default "unsigned long" context */ +typedef unsigned long mm_context_t; + +#endif diff --git a/include/asm-sh64/mmu_context.h b/include/asm-sh64/mmu_context.h new file mode 100644 index 000000000000..f062e1513272 --- /dev/null +++ b/include/asm-sh64/mmu_context.h @@ -0,0 +1,209 @@ +#ifndef __ASM_SH64_MMU_CONTEXT_H +#define __ASM_SH64_MMU_CONTEXT_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/mmu_context.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + * ASID handling idea taken from MIPS implementation. + * + */ + +#ifndef __ASSEMBLY__ + +/* + * Cache of MMU context last used. + * + * The MMU "context" consists of two things: + * (a) TLB cache version (or cycle, top 24 bits of mmu_context_cache) + * (b) ASID (Address Space IDentifier, bottom 8 bits of mmu_context_cache) + */ +extern unsigned long mmu_context_cache; + +#include <linux/config.h> +#include <asm/page.h> + + +/* Current mm's pgd */ +extern pgd_t *mmu_pdtp_cache; + +#define SR_ASID_MASK 0xffffffffff00ffffULL +#define SR_ASID_SHIFT 16 + +#define MMU_CONTEXT_ASID_MASK 0x000000ff +#define MMU_CONTEXT_VERSION_MASK 0xffffff00 +#define MMU_CONTEXT_FIRST_VERSION 0x00000100 +#define NO_CONTEXT 0 + +/* ASID is 8-bit value, so it can't be 0x100 */ +#define MMU_NO_ASID 0x100 + + +/* + * Virtual Page Number mask + */ +#define MMU_VPN_MASK 0xfffff000 + +extern __inline__ void +get_new_mmu_context(struct mm_struct *mm) +{ + extern void flush_tlb_all(void); + extern void flush_cache_all(void); + + unsigned long mc = ++mmu_context_cache; + + if (!(mc & MMU_CONTEXT_ASID_MASK)) { + /* We exhaust ASID of this version. + Flush all TLB and start new cycle. */ + flush_tlb_all(); + /* We have to flush all caches as ASIDs are + used in cache */ + flush_cache_all(); + /* Fix version if needed. + Note that we avoid version #0/asid #0 to distingush NO_CONTEXT. */ + if (!mc) + mmu_context_cache = mc = MMU_CONTEXT_FIRST_VERSION; + } + mm->context = mc; +} + +/* + * Get MMU context if needed. + */ +static __inline__ void +get_mmu_context(struct mm_struct *mm) +{ + if (mm) { + unsigned long mc = mmu_context_cache; + /* Check if we have old version of context. + If it's old, we need to get new context with new version. */ + if ((mm->context ^ mc) & MMU_CONTEXT_VERSION_MASK) + get_new_mmu_context(mm); + } +} + +/* + * Initialize the context related info for a new mm_struct + * instance. + */ +static inline int init_new_context(struct task_struct *tsk, + struct mm_struct *mm) +{ + mm->context = NO_CONTEXT; + + return 0; +} + +/* + * Destroy context related info for an mm_struct that is about + * to be put to rest. + */ +static inline void destroy_context(struct mm_struct *mm) +{ + extern void flush_tlb_mm(struct mm_struct *mm); + + /* Well, at least free TLB entries */ + flush_tlb_mm(mm); +} + +#endif /* __ASSEMBLY__ */ + +/* Common defines */ +#define TLB_STEP 0x00000010 +#define TLB_PTEH 0x00000000 +#define TLB_PTEL 0x00000008 + +/* PTEH defines */ +#define PTEH_ASID_SHIFT 2 +#define PTEH_VALID 0x0000000000000001 +#define PTEH_SHARED 0x0000000000000002 +#define PTEH_MATCH_ASID 0x00000000000003ff + +#ifndef __ASSEMBLY__ +/* This has to be a common function because the next location to fill + * information is shared. */ +extern void __do_tlb_refill(unsigned long address, unsigned long long is_text_not_data, pte_t *pte); + +/* Profiling counter. */ +#ifdef CONFIG_SH64_PROC_TLB +extern unsigned long long calls_to_do_fast_page_fault; +#endif + +static inline unsigned long get_asid(void) +{ + unsigned long long sr; + + asm volatile ("getcon " __SR ", %0\n\t" + : "=r" (sr)); + + sr = (sr >> SR_ASID_SHIFT) & MMU_CONTEXT_ASID_MASK; + return (unsigned long) sr; +} + +/* Set ASID into SR */ +static inline void set_asid(unsigned long asid) +{ + unsigned long long sr, pc; + + asm volatile ("getcon " __SR ", %0" : "=r" (sr)); + + sr = (sr & SR_ASID_MASK) | (asid << SR_ASID_SHIFT); + + /* + * It is possible that this function may be inlined and so to avoid + * the assembler reporting duplicate symbols we make use of the gas trick + * of generating symbols using numerics and forward reference. + */ + asm volatile ("movi 1, %1\n\t" + "shlli %1, 28, %1\n\t" + "or %0, %1, %1\n\t" + "putcon %1, " __SR "\n\t" + "putcon %0, " __SSR "\n\t" + "movi 1f, %1\n\t" + "ori %1, 1 , %1\n\t" + "putcon %1, " __SPC "\n\t" + "rte\n" + "1:\n\t" + : "=r" (sr), "=r" (pc) : "0" (sr)); +} + +/* + * After we have set current->mm to a new value, this activates + * the context for the new mm so we see the new mappings. + */ +static __inline__ void activate_context(struct mm_struct *mm) +{ + get_mmu_context(mm); + set_asid(mm->context & MMU_CONTEXT_ASID_MASK); +} + + +static __inline__ void switch_mm(struct mm_struct *prev, + struct mm_struct *next, + struct task_struct *tsk) +{ + if (prev != next) { + mmu_pdtp_cache = next->pgd; + activate_context(next); + } +} + +#define deactivate_mm(tsk,mm) do { } while (0) + +#define activate_mm(prev, next) \ + switch_mm((prev),(next),NULL) + +static inline void +enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) +{ +} + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_SH64_MMU_CONTEXT_H */ diff --git a/include/asm-sh64/module.h b/include/asm-sh64/module.h new file mode 100644 index 000000000000..c313650d3d93 --- /dev/null +++ b/include/asm-sh64/module.h @@ -0,0 +1,20 @@ +#ifndef __ASM_SH64_MODULE_H +#define __ASM_SH64_MODULE_H +/* + * This file contains the SH architecture specific module code. + */ + +struct mod_arch_specific { + /* empty */ +}; + +#define Elf_Shdr Elf32_Shdr +#define Elf_Sym Elf32_Sym +#define Elf_Ehdr Elf32_Ehdr + +#define module_map(x) vmalloc(x) +#define module_unmap(x) vfree(x) +#define module_arch_init(x) (0) +#define arch_init_modules(x) do { } while (0) + +#endif /* __ASM_SH64_MODULE_H */ diff --git a/include/asm-sh64/msgbuf.h b/include/asm-sh64/msgbuf.h new file mode 100644 index 000000000000..cf0494ce0ba8 --- /dev/null +++ b/include/asm-sh64/msgbuf.h @@ -0,0 +1,42 @@ +#ifndef __ASM_SH64_MSGBUF_H +#define __ASM_SH64_MSGBUF_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/msgbuf.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* + * The msqid64_ds structure for i386 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct msqid64_ds { + struct ipc64_perm msg_perm; + __kernel_time_t msg_stime; /* last msgsnd time */ + unsigned long __unused1; + __kernel_time_t msg_rtime; /* last msgrcv time */ + unsigned long __unused2; + __kernel_time_t msg_ctime; /* last change time */ + unsigned long __unused3; + unsigned long msg_cbytes; /* current number of bytes on queue */ + unsigned long msg_qnum; /* number of messages in queue */ + unsigned long msg_qbytes; /* max number of bytes on queue */ + __kernel_pid_t msg_lspid; /* pid of last msgsnd */ + __kernel_pid_t msg_lrpid; /* last receive pid */ + unsigned long __unused4; + unsigned long __unused5; +}; + +#endif /* __ASM_SH64_MSGBUF_H */ diff --git a/include/asm-sh64/namei.h b/include/asm-sh64/namei.h new file mode 100644 index 000000000000..99d759a805ce --- /dev/null +++ b/include/asm-sh64/namei.h @@ -0,0 +1,24 @@ +#ifndef __ASM_SH64_NAMEI_H +#define __ASM_SH64_NAMEI_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/namei.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + * Included from linux/fs/namei.c + * + */ + +/* This dummy routine maybe changed to something useful + * for /usr/gnemul/ emulation stuff. + * Look at asm-sparc/namei.h for details. + */ + +#define __emul_prefix() NULL + +#endif /* __ASM_SH64_NAMEI_H */ diff --git a/include/asm-sh64/page.h b/include/asm-sh64/page.h new file mode 100644 index 000000000000..e1f7f5a41210 --- /dev/null +++ b/include/asm-sh64/page.h @@ -0,0 +1,137 @@ +#ifndef __ASM_SH64_PAGE_H +#define __ASM_SH64_PAGE_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/page.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003, 2004 Paul Mundt + * + * benedict.gaster@superh.com 19th, 24th July 2002. + * + * Modified to take account of enabling for D-CACHE support. + * + */ + +#include <linux/config.h> + +/* PAGE_SHIFT determines the page size */ +#define PAGE_SHIFT 12 +#ifdef __ASSEMBLY__ +#define PAGE_SIZE 4096 +#else +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#endif +#define PAGE_MASK (~(PAGE_SIZE-1)) +#define PTE_MASK PAGE_MASK + +#if defined(CONFIG_HUGETLB_PAGE_SIZE_64K) +#define HPAGE_SHIFT 16 +#elif defined(CONFIG_HUGETLB_PAGE_SIZE_1MB) +#define HPAGE_SHIFT 20 +#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512MB) +#define HPAGE_SHIFT 29 +#endif + +#ifdef CONFIG_HUGETLB_PAGE +#define HPAGE_SIZE (1UL << HPAGE_SHIFT) +#define HPAGE_MASK (~(HPAGE_SIZE-1)) +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT-PAGE_SHIFT) +#endif + +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ + +extern struct page *mem_map; +extern void sh64_page_clear(void *page); +extern void sh64_page_copy(void *from, void *to); + +#define clear_page(page) sh64_page_clear(page) +#define copy_page(to,from) sh64_page_copy(from, to) + +#if defined(CONFIG_DCACHE_DISABLED) + +#define clear_user_page(page, vaddr, pg) clear_page(page) +#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) + +#else + +extern void clear_user_page(void *to, unsigned long address, struct page *pg); +extern void copy_user_page(void *to, void *from, unsigned long address, struct page *pg); + +#endif /* defined(CONFIG_DCACHE_DISABLED) */ + +/* + * These are used to make use of C type-checking.. + */ +typedef struct { unsigned long long pte; } pte_t; +typedef struct { unsigned long pmd; } pmd_t; +typedef struct { unsigned long pgd; } pgd_t; +typedef struct { unsigned long pgprot; } pgprot_t; + +#define pte_val(x) ((x).pte) +#define pmd_val(x) ((x).pmd) +#define pgd_val(x) ((x).pgd) +#define pgprot_val(x) ((x).pgprot) + +#define __pte(x) ((pte_t) { (x) } ) +#define __pmd(x) ((pmd_t) { (x) } ) +#define __pgd(x) ((pgd_t) { (x) } ) +#define __pgprot(x) ((pgprot_t) { (x) } ) + +#endif /* !__ASSEMBLY__ */ + +/* to align the pointer to the (next) page boundary */ +#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) + +/* + * Kconfig defined. + */ +#define __MEMORY_START (CONFIG_MEMORY_START) +#define PAGE_OFFSET (CONFIG_CACHED_MEMORY_OFFSET) + +#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) +#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) +#define MAP_NR(addr) ((__pa(addr)-__MEMORY_START) >> PAGE_SHIFT) +#define VALID_PAGE(page) ((page - mem_map) < max_mapnr) + +#define phys_to_page(phys) (mem_map + (((phys) - __MEMORY_START) >> PAGE_SHIFT)) +#define page_to_phys(page) (((page - mem_map) << PAGE_SHIFT) + __MEMORY_START) + +/* PFN start number, because of __MEMORY_START */ +#define PFN_START (__MEMORY_START >> PAGE_SHIFT) + +#define pfn_to_page(pfn) (mem_map + (pfn) - PFN_START) +#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PFN_START) +#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) +#define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr) +#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) + +#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#ifndef __ASSEMBLY__ + +/* Pure 2^n version of get_order */ +extern __inline__ int get_order(unsigned long size) +{ + int order; + + size = (size-1) >> (PAGE_SHIFT-1); + order = -1; + do { + size >>= 1; + order++; + } while (size); + return order; +} + +#endif + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH64_PAGE_H */ diff --git a/include/asm-sh64/param.h b/include/asm-sh64/param.h new file mode 100644 index 000000000000..d18cc87c1a80 --- /dev/null +++ b/include/asm-sh64/param.h @@ -0,0 +1,43 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/param.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + */ +#ifndef __ASM_SH64_PARAM_H +#define __ASM_SH64_PARAM_H + +#include <linux/config.h> + +#ifdef __KERNEL__ +# ifdef CONFIG_SH_WDT +# define HZ 1000 /* Needed for high-res WOVF */ +# else +# define HZ 100 +# endif +# define USER_HZ 100 /* User interfaces are in "ticks" */ +# define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ +#endif + +#ifndef HZ +#define HZ 100 +#endif + +#define EXEC_PAGESIZE 4096 + +#ifndef NGROUPS +#define NGROUPS 32 +#endif + +#ifndef NOGROUP +#define NOGROUP (-1) +#endif + +#define MAXHOSTNAMELEN 64 /* max length of hostname */ + +#endif /* __ASM_SH64_PARAM_H */ diff --git a/include/asm-sh64/pci.h b/include/asm-sh64/pci.h new file mode 100644 index 000000000000..8cc14e139750 --- /dev/null +++ b/include/asm-sh64/pci.h @@ -0,0 +1,110 @@ +#ifndef __ASM_SH64_PCI_H +#define __ASM_SH64_PCI_H + +#ifdef __KERNEL__ + +#include <linux/dma-mapping.h> + +/* Can be used to override the logic in pci_scan_bus for skipping + already-configured bus numbers - to be used for buggy BIOSes + or architectures with incomplete PCI setup by the loader */ + +#define pcibios_assign_all_busses() 1 + +/* + * These are currently the correct values for the STM overdrive board + * We need some way of setting this on a board specific way, it will + * not be the same on other boards I think + */ +#if defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103) +#define PCIBIOS_MIN_IO 0x2000 +#define PCIBIOS_MIN_MEM 0x40000000 +#endif + +extern void pcibios_set_master(struct pci_dev *dev); + +/* + * Set penalize isa irq function + */ +static inline void pcibios_penalize_isa_irq(int irq) +{ + /* We don't do dynamic PCI IRQ allocation */ +} + +/* Dynamic DMA mapping stuff. + * SuperH has everything mapped statically like x86. + */ + +/* The PCI address space does equal the physical memory + * address space. The networking and block device layers use + * this boolean for bounce buffer decisions. + */ +#define PCI_DMA_BUS_IS_PHYS (1) + +#include <linux/types.h> +#include <linux/slab.h> +#include <asm/scatterlist.h> +#include <linux/string.h> +#include <asm/io.h> + +/* pci_unmap_{single,page} being a nop depends upon the + * configuration. + */ +#ifdef CONFIG_SH_PCIDMA_NONCOHERENT +#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ + dma_addr_t ADDR_NAME; +#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ + __u32 LEN_NAME; +#define pci_unmap_addr(PTR, ADDR_NAME) \ + ((PTR)->ADDR_NAME) +#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ + (((PTR)->ADDR_NAME) = (VAL)) +#define pci_unmap_len(PTR, LEN_NAME) \ + ((PTR)->LEN_NAME) +#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ + (((PTR)->LEN_NAME) = (VAL)) +#else +#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) +#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) +#define pci_unmap_addr(PTR, ADDR_NAME) (0) +#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) +#define pci_unmap_len(PTR, LEN_NAME) (0) +#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) +#endif + +/* Not supporting more than 32-bit PCI bus addresses now, but + * must satisfy references to this function. Change if needed. + */ +#define pci_dac_dma_supported(pci_dev, mask) (0) + +/* These macros should be used after a pci_map_sg call has been done + * to get bus addresses of each of the SG entries and their lengths. + * You should only work with the number of sg entries pci_map_sg + * returns, or alternatively stop on the first sg_dma_len(sg) which + * is 0. + */ +#define sg_dma_address(sg) ((sg)->dma_address) +#define sg_dma_len(sg) ((sg)->length) + +/* Board-specific fixup routines. */ +extern void pcibios_fixup(void); +extern void pcibios_fixup_irqs(void); + +#ifdef CONFIG_PCI_AUTO +extern int pciauto_assign_resources(int busno, struct pci_channel *hose); +#endif + +static inline void pcibios_add_platform_entries(struct pci_dev *dev) +{ +} + +#endif /* __KERNEL__ */ + +/* generic pci stuff */ +#include <asm-generic/pci.h> + +/* generic DMA-mapping stuff */ +#include <asm-generic/pci-dma-compat.h> + +#endif /* __ASM_SH64_PCI_H */ + diff --git a/include/asm-sh64/percpu.h b/include/asm-sh64/percpu.h new file mode 100644 index 000000000000..a01d16cd0e8c --- /dev/null +++ b/include/asm-sh64/percpu.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_PERCPU +#define __ASM_SH64_PERCPU + +#include <asm-generic/percpu.h> + +#endif /* __ASM_SH64_PERCPU */ diff --git a/include/asm-sh64/pgalloc.h b/include/asm-sh64/pgalloc.h new file mode 100644 index 000000000000..b25f5df5535c --- /dev/null +++ b/include/asm-sh64/pgalloc.h @@ -0,0 +1,195 @@ +#ifndef __ASM_SH64_PGALLOC_H +#define __ASM_SH64_PGALLOC_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/pgalloc.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003, 2004 Paul Mundt + * Copyright (C) 2003, 2004 Richard Curnow + * + */ + +#include <linux/threads.h> +#include <linux/mm.h> + +#define pgd_quicklist (current_cpu_data.pgd_quick) +#define pmd_quicklist (current_cpu_data.pmd_quick) +#define pte_quicklist (current_cpu_data.pte_quick) +#define pgtable_cache_size (current_cpu_data.pgtable_cache_sz) + +static inline void pgd_init(unsigned long page) +{ + unsigned long *pgd = (unsigned long *)page; + extern pte_t empty_bad_pte_table[PTRS_PER_PTE]; + int i; + + for (i = 0; i < USER_PTRS_PER_PGD; i++) + pgd[i] = (unsigned long)empty_bad_pte_table; +} + +/* + * Allocate and free page tables. The xxx_kernel() versions are + * used to allocate a kernel page table - this turns on ASN bits + * if any. + */ + +extern __inline__ pgd_t *get_pgd_slow(void) +{ + unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t)); + pgd_t *ret = (pgd_t *)kmalloc(pgd_size, GFP_KERNEL); + return ret; +} + +extern __inline__ pgd_t *get_pgd_fast(void) +{ + unsigned long *ret; + + if ((ret = pgd_quicklist) != NULL) { + pgd_quicklist = (unsigned long *)(*ret); + ret[0] = 0; + pgtable_cache_size--; + } else + ret = (unsigned long *)get_pgd_slow(); + + if (ret) { + memset(ret, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); + } + return (pgd_t *)ret; +} + +extern __inline__ void free_pgd_fast(pgd_t *pgd) +{ + *(unsigned long *)pgd = (unsigned long) pgd_quicklist; + pgd_quicklist = (unsigned long *) pgd; + pgtable_cache_size++; +} + +extern __inline__ void free_pgd_slow(pgd_t *pgd) +{ + kfree((void *)pgd); +} + +extern pte_t *get_pte_slow(pmd_t *pmd, unsigned long address_preadjusted); +extern pte_t *get_pte_kernel_slow(pmd_t *pmd, unsigned long address_preadjusted); + +extern __inline__ pte_t *get_pte_fast(void) +{ + unsigned long *ret; + + if((ret = (unsigned long *)pte_quicklist) != NULL) { + pte_quicklist = (unsigned long *)(*ret); + ret[0] = ret[1]; + pgtable_cache_size--; + } + return (pte_t *)ret; +} + +extern __inline__ void free_pte_fast(pte_t *pte) +{ + *(unsigned long *)pte = (unsigned long) pte_quicklist; + pte_quicklist = (unsigned long *) pte; + pgtable_cache_size++; +} + +static inline void pte_free_kernel(pte_t *pte) +{ + free_page((unsigned long)pte); +} + +static inline void pte_free(struct page *pte) +{ + __free_page(pte); +} + +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long address) +{ + pte_t *pte; + + pte = (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT|__GFP_ZERO); + + return pte; +} + +static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) +{ + struct page *pte; + + pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); + + return pte; +} + +#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) + +/* + * allocating and freeing a pmd is trivial: the 1-entry pmd is + * inside the pgd, so has no extra memory associated with it. + */ + +#if defined(CONFIG_SH64_PGTABLE_2_LEVEL) + +#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) +#define pmd_free(x) do { } while (0) +#define pgd_populate(mm, pmd, pte) BUG() +#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) +#define __pmd_free_tlb(tlb,pmd) do { } while (0) + +#elif defined(CONFIG_SH64_PGTABLE_3_LEVEL) + +static __inline__ pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) +{ + pmd_t *pmd; + pmd = (pmd_t *) __get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); + return pmd; +} + +static __inline__ void pmd_free(pmd_t *pmd) +{ + free_page((unsigned long) pmd); +} + +#define pgd_populate(mm, pgd, pmd) pgd_set(pgd, pmd) +#define __pmd_free_tlb(tlb,pmd) pmd_free(pmd) + +#else +#error "No defined page table size" +#endif + +#define check_pgt_cache() do { } while (0) +#define pgd_free(pgd) free_pgd_slow(pgd) +#define pgd_alloc(mm) get_pgd_fast() + +extern int do_check_pgt_cache(int, int); + +extern inline void set_pgdir(unsigned long address, pgd_t entry) +{ + struct task_struct * p; + pgd_t *pgd; + + read_lock(&tasklist_lock); + for_each_process(p) { + if (!p->mm) + continue; + *pgd_offset(p->mm,address) = entry; + } + read_unlock(&tasklist_lock); + for (pgd = (pgd_t *)pgd_quicklist; pgd; pgd = (pgd_t *)*(unsigned long *)pgd) + pgd[address >> PGDIR_SHIFT] = entry; +} + +#define pmd_populate_kernel(mm, pmd, pte) \ + set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) (pte))) + +static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, + struct page *pte) +{ + set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) page_address (pte))); +} + +#endif /* __ASM_SH64_PGALLOC_H */ diff --git a/include/asm-sh64/pgtable.h b/include/asm-sh64/pgtable.h new file mode 100644 index 000000000000..45f70c0f4a5e --- /dev/null +++ b/include/asm-sh64/pgtable.h @@ -0,0 +1,508 @@ +#ifndef __ASM_SH64_PGTABLE_H +#define __ASM_SH64_PGTABLE_H + +#include <asm-generic/4level-fixup.h> + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/pgtable.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003, 2004 Paul Mundt + * Copyright (C) 2003, 2004 Richard Curnow + * + * This file contains the functions and defines necessary to modify and use + * the SuperH page table tree. + */ + +#ifndef __ASSEMBLY__ +#include <asm/processor.h> +#include <asm/page.h> +#include <linux/threads.h> +#include <linux/config.h> + +extern void paging_init(void); + +/* We provide our own get_unmapped_area to avoid cache synonym issue */ +#define HAVE_ARCH_UNMAPPED_AREA + +/* + * Basically we have the same two-level (which is the logical three level + * Linux page table layout folded) page tables as the i386. + */ + +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +extern unsigned char empty_zero_page[PAGE_SIZE]; +#define ZERO_PAGE(vaddr) (mem_map + MAP_NR(empty_zero_page)) + +#endif /* !__ASSEMBLY__ */ + +/* + * NEFF and NPHYS related defines. + * FIXME : These need to be model-dependent. For now this is OK, SH5-101 and SH5-103 + * implement 32 bits effective and 32 bits physical. But future implementations may + * extend beyond this. + */ +#define NEFF 32 +#define NEFF_SIGN (1LL << (NEFF - 1)) +#define NEFF_MASK (-1LL << NEFF) + +#define NPHYS 32 +#define NPHYS_SIGN (1LL << (NPHYS - 1)) +#define NPHYS_MASK (-1LL << NPHYS) + +/* Typically 2-level is sufficient up to 32 bits of virtual address space, beyond + that 3-level would be appropriate. */ +#if defined(CONFIG_SH64_PGTABLE_2_LEVEL) +/* For 4k pages, this contains 512 entries, i.e. 9 bits worth of address. */ +#define PTRS_PER_PTE ((1<<PAGE_SHIFT)/sizeof(unsigned long long)) +#define PTE_MAGNITUDE 3 /* sizeof(unsigned long long) magnit. */ +#define PTE_SHIFT PAGE_SHIFT +#define PTE_BITS (PAGE_SHIFT - PTE_MAGNITUDE) + +/* top level: PMD. */ +#define PGDIR_SHIFT (PTE_SHIFT + PTE_BITS) +#define PGD_BITS (NEFF - PGDIR_SHIFT) +#define PTRS_PER_PGD (1<<PGD_BITS) + +/* middle level: PMD. This doesn't do anything for the 2-level case. */ +#define PTRS_PER_PMD (1) + +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) +#define PMD_SHIFT PGDIR_SHIFT +#define PMD_SIZE PGDIR_SIZE +#define PMD_MASK PGDIR_MASK + +#elif defined(CONFIG_SH64_PGTABLE_3_LEVEL) +/* + * three-level asymmetric paging structure: PGD is top level. + * The asymmetry comes from 32-bit pointers and 64-bit PTEs. + */ +/* bottom level: PTE. It's 9 bits = 512 pointers */ +#define PTRS_PER_PTE ((1<<PAGE_SHIFT)/sizeof(unsigned long long)) +#define PTE_MAGNITUDE 3 /* sizeof(unsigned long long) magnit. */ +#define PTE_SHIFT PAGE_SHIFT +#define PTE_BITS (PAGE_SHIFT - PTE_MAGNITUDE) + +/* middle level: PMD. It's 10 bits = 1024 pointers */ +#define PTRS_PER_PMD ((1<<PAGE_SHIFT)/sizeof(unsigned long long *)) +#define PMD_MAGNITUDE 2 /* sizeof(unsigned long long *) magnit. */ +#define PMD_SHIFT (PTE_SHIFT + PTE_BITS) +#define PMD_BITS (PAGE_SHIFT - PMD_MAGNITUDE) + +/* top level: PMD. It's 1 bit = 2 pointers */ +#define PGDIR_SHIFT (PMD_SHIFT + PMD_BITS) +#define PGD_BITS (NEFF - PGDIR_SHIFT) +#define PTRS_PER_PGD (1<<PGD_BITS) + +#define PMD_SIZE (1UL << PMD_SHIFT) +#define PMD_MASK (~(PMD_SIZE-1)) +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) + +#else +#error "No defined number of page table levels" +#endif + +/* + * Error outputs. + */ +#define pte_ERROR(e) \ + printk("%s:%d: bad pte %016Lx.\n", __FILE__, __LINE__, pte_val(e)) +#define pmd_ERROR(e) \ + printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e)) +#define pgd_ERROR(e) \ + printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) + +/* + * Table setting routines. Used within arch/mm only. + */ +#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval) +#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval) + +static __inline__ void set_pte(pte_t *pteptr, pte_t pteval) +{ + unsigned long long x = ((unsigned long long) pteval.pte); + unsigned long long *xp = (unsigned long long *) pteptr; + /* + * Sign-extend based on NPHYS. + */ + *(xp) = (x & NPHYS_SIGN) ? (x | NPHYS_MASK) : x; +} +#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) + +static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep) +{ + pmd_val(*pmdp) = (unsigned long) ptep; +} + +/* + * PGD defines. Top level. + */ + +/* To find an entry in a generic PGD. */ +#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) +#define __pgd_offset(address) pgd_index(address) +#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) + +/* To find an entry in a kernel PGD. */ +#define pgd_offset_k(address) pgd_offset(&init_mm, address) + +/* + * PGD level access routines. + * + * Note1: + * There's no need to use physical addresses since the tree walk is all + * in performed in software, until the PTE translation. + * + * Note 2: + * A PGD entry can be uninitialized (_PGD_UNUSED), generically bad, + * clear (_PGD_EMPTY), present. When present, lower 3 nibbles contain + * _KERNPG_TABLE. Being a kernel virtual pointer also bit 31 must + * be 1. Assuming an arbitrary clear value of bit 31 set to 0 and + * lower 3 nibbles set to 0xFFF (_PGD_EMPTY) any other value is a + * bad pgd that must be notified via printk(). + * + */ +#define _PGD_EMPTY 0x0 + +#if defined(CONFIG_SH64_PGTABLE_2_LEVEL) +static inline int pgd_none(pgd_t pgd) { return 0; } +static inline int pgd_bad(pgd_t pgd) { return 0; } +#define pgd_present(pgd) ((pgd_val(pgd) & _PAGE_PRESENT) ? 1 : 0) +#define pgd_clear(xx) do { } while(0) + +#elif defined(CONFIG_SH64_PGTABLE_3_LEVEL) +#define pgd_present(pgd_entry) (1) +#define pgd_none(pgd_entry) (pgd_val((pgd_entry)) == _PGD_EMPTY) +/* TODO: Think later about what a useful definition of 'bad' would be now. */ +#define pgd_bad(pgd_entry) (0) +#define pgd_clear(pgd_entry_p) (set_pgd((pgd_entry_p), __pgd(_PGD_EMPTY))) + +#endif + + +#define pgd_page(pgd_entry) ((unsigned long) (pgd_val(pgd_entry) & PAGE_MASK)) + +/* + * PMD defines. Middle level. + */ + +/* PGD to PMD dereferencing */ +#if defined(CONFIG_SH64_PGTABLE_2_LEVEL) +static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address) +{ + return (pmd_t *) dir; +} +#elif defined(CONFIG_SH64_PGTABLE_3_LEVEL) +#define __pmd_offset(address) \ + (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) +#define pmd_offset(dir, addr) \ + ((pmd_t *) ((pgd_val(*(dir))) & PAGE_MASK) + __pmd_offset((addr))) +#endif + +/* + * PMD level access routines. Same notes as above. + */ +#define _PMD_EMPTY 0x0 +/* Either the PMD is empty or present, it's not paged out */ +#define pmd_present(pmd_entry) (pmd_val(pmd_entry) & _PAGE_PRESENT) +#define pmd_clear(pmd_entry_p) (set_pmd((pmd_entry_p), __pmd(_PMD_EMPTY))) +#define pmd_none(pmd_entry) (pmd_val((pmd_entry)) == _PMD_EMPTY) +#define pmd_bad(pmd_entry) ((pmd_val(pmd_entry) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) + +#define pmd_page_kernel(pmd_entry) \ + ((unsigned long) __va(pmd_val(pmd_entry) & PAGE_MASK)) + +#define pmd_page(pmd) \ + (virt_to_page(pmd_val(pmd))) + +/* PMD to PTE dereferencing */ +#define pte_index(address) \ + ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) + +#define pte_offset_kernel(dir, addr) \ + ((pte_t *) ((pmd_val(*(dir))) & PAGE_MASK) + pte_index((addr))) + +#define pte_offset_map(dir,addr) pte_offset_kernel(dir, addr) +#define pte_offset_map_nested(dir,addr) pte_offset_kernel(dir, addr) +#define pte_unmap(pte) do { } while (0) +#define pte_unmap_nested(pte) do { } while (0) + +/* Round it up ! */ +#define USER_PTRS_PER_PGD ((TASK_SIZE+PGDIR_SIZE-1)/PGDIR_SIZE) +#define FIRST_USER_PGD_NR 0 + +#ifndef __ASSEMBLY__ +#define VMALLOC_END 0xff000000 +#define VMALLOC_START 0xf0000000 +#define VMALLOC_VMADDR(x) ((unsigned long)(x)) + +#define IOBASE_VADDR 0xff000000 +#define IOBASE_END 0xffffffff + +/* + * PTEL coherent flags. + * See Chapter 17 ST50 CPU Core Volume 1, Architecture. + */ +/* The bits that are required in the SH-5 TLB are placed in the h/w-defined + positions, to avoid expensive bit shuffling on every refill. The remaining + bits are used for s/w purposes and masked out on each refill. + + Note, the PTE slots are used to hold data of type swp_entry_t when a page is + swapped out. Only the _PAGE_PRESENT flag is significant when the page is + swapped out, and it must be placed so that it doesn't overlap either the + type or offset fields of swp_entry_t. For x86, offset is at [31:8] and type + at [6:1], with _PAGE_PRESENT at bit 0 for both pte_t and swp_entry_t. This + scheme doesn't map to SH-5 because bit [0] controls cacheability. So bit + [2] is used for _PAGE_PRESENT and the type field of swp_entry_t is split + into 2 pieces. That is handled by SWP_ENTRY and SWP_TYPE below. */ +#define _PAGE_WT 0x001 /* CB0: if cacheable, 1->write-thru, 0->write-back */ +#define _PAGE_DEVICE 0x001 /* CB0: if uncacheable, 1->device (i.e. no write-combining or reordering at bus level) */ +#define _PAGE_CACHABLE 0x002 /* CB1: uncachable/cachable */ +#define _PAGE_PRESENT 0x004 /* software: page referenced */ +#define _PAGE_FILE 0x004 /* software: only when !present */ +#define _PAGE_SIZE0 0x008 /* SZ0-bit : size of page */ +#define _PAGE_SIZE1 0x010 /* SZ1-bit : size of page */ +#define _PAGE_SHARED 0x020 /* software: reflects PTEH's SH */ +#define _PAGE_READ 0x040 /* PR0-bit : read access allowed */ +#define _PAGE_EXECUTE 0x080 /* PR1-bit : execute access allowed */ +#define _PAGE_WRITE 0x100 /* PR2-bit : write access allowed */ +#define _PAGE_USER 0x200 /* PR3-bit : user space access allowed */ +#define _PAGE_DIRTY 0x400 /* software: page accessed in write */ +#define _PAGE_ACCESSED 0x800 /* software: page referenced */ + +/* Mask which drops software flags */ +#define _PAGE_FLAGS_HARDWARE_MASK 0xfffffffffffff3dbLL + +/* + * HugeTLB support + */ +#if defined(CONFIG_HUGETLB_PAGE_SIZE_64K) +#define _PAGE_SZHUGE (_PAGE_SIZE0) +#elif defined(CONFIG_HUGETLB_PAGE_SIZE_1MB) +#define _PAGE_SZHUGE (_PAGE_SIZE1) +#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512MB) +#define _PAGE_SZHUGE (_PAGE_SIZE0 | _PAGE_SIZE1) +#endif + +/* + * Default flags for a Kernel page. + * This is fundametally also SHARED because the main use of this define + * (other than for PGD/PMD entries) is for the VMALLOC pool which is + * contextless. + * + * _PAGE_EXECUTE is required for modules + * + */ +#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \ + _PAGE_EXECUTE | \ + _PAGE_CACHABLE | _PAGE_ACCESSED | _PAGE_DIRTY | \ + _PAGE_SHARED) + +/* Default flags for a User page */ +#define _PAGE_TABLE (_KERNPG_TABLE | _PAGE_USER) + +#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) + +#define PAGE_NONE __pgprot(_PAGE_CACHABLE | _PAGE_ACCESSED) +#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \ + _PAGE_CACHABLE | _PAGE_ACCESSED | _PAGE_USER | \ + _PAGE_SHARED) +/* We need to include PAGE_EXECUTE in PAGE_COPY because it is the default + * protection mode for the stack. */ +#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHABLE | \ + _PAGE_ACCESSED | _PAGE_USER | _PAGE_EXECUTE) +#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHABLE | \ + _PAGE_ACCESSED | _PAGE_USER) +#define PAGE_KERNEL __pgprot(_KERNPG_TABLE) + + +/* + * In ST50 we have full permissions (Read/Write/Execute/Shared). + * Just match'em all. These are for mmap(), therefore all at least + * User/Cachable/Present/Accessed. No point in making Fault on Write. + */ +#define __MMAP_COMMON (_PAGE_PRESENT | _PAGE_USER | _PAGE_CACHABLE | _PAGE_ACCESSED) + /* sxwr */ +#define __P000 __pgprot(__MMAP_COMMON) +#define __P001 __pgprot(__MMAP_COMMON | _PAGE_READ) +#define __P010 __pgprot(__MMAP_COMMON) +#define __P011 __pgprot(__MMAP_COMMON | _PAGE_READ) +#define __P100 __pgprot(__MMAP_COMMON | _PAGE_EXECUTE) +#define __P101 __pgprot(__MMAP_COMMON | _PAGE_EXECUTE | _PAGE_READ) +#define __P110 __pgprot(__MMAP_COMMON | _PAGE_EXECUTE) +#define __P111 __pgprot(__MMAP_COMMON | _PAGE_EXECUTE | _PAGE_READ) + +#define __S000 __pgprot(__MMAP_COMMON | _PAGE_SHARED) +#define __S001 __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_READ) +#define __S010 __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_WRITE) +#define __S011 __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_READ | _PAGE_WRITE) +#define __S100 __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE) +#define __S101 __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE | _PAGE_READ) +#define __S110 __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE | _PAGE_WRITE) +#define __S111 __pgprot(__MMAP_COMMON | _PAGE_SHARED | _PAGE_EXECUTE | _PAGE_READ | _PAGE_WRITE) + +/* Make it a device mapping for maximum safety (e.g. for mapping device + registers into user-space via /dev/map). */ +#define pgprot_noncached(x) __pgprot(((x).pgprot & ~(_PAGE_CACHABLE)) | _PAGE_DEVICE) +#define pgprot_writecombine(prot) __pgprot(pgprot_val(prot) & ~_PAGE_CACHABLE) + +/* + * Handling allocation failures during page table setup. + */ +extern void __handle_bad_pmd_kernel(pmd_t * pmd); +#define __handle_bad_pmd(x) __handle_bad_pmd_kernel(x) + +/* + * PTE level access routines. + * + * Note1: + * It's the tree walk leaf. This is physical address to be stored. + * + * Note 2: + * Regarding the choice of _PTE_EMPTY: + + We must choose a bit pattern that cannot be valid, whether or not the page + is present. bit[2]==1 => present, bit[2]==0 => swapped out. If swapped + out, bits [31:8], [6:3], [1:0] are under swapper control, so only bit[7] is + left for us to select. If we force bit[7]==0 when swapped out, we could use + the combination bit[7,2]=2'b10 to indicate an empty PTE. Alternatively, if + we force bit[7]==1 when swapped out, we can use all zeroes to indicate + empty. This is convenient, because the page tables get cleared to zero + when they are allocated. + + */ +#define _PTE_EMPTY 0x0 +#define pte_present(x) (pte_val(x) & _PAGE_PRESENT) +#define pte_clear(mm,addr,xp) (set_pte_at(mm, addr, xp, __pte(_PTE_EMPTY))) +#define pte_none(x) (pte_val(x) == _PTE_EMPTY) + +/* + * Some definitions to translate between mem_map, PTEs, and page + * addresses: + */ + +/* + * Given a PTE, return the index of the mem_map[] entry corresponding + * to the page frame the PTE. Get the absolute physical address, make + * a relative physical address and translate it to an index. + */ +#define pte_pagenr(x) (((unsigned long) (pte_val(x)) - \ + __MEMORY_START) >> PAGE_SHIFT) + +/* + * Given a PTE, return the "struct page *". + */ +#define pte_page(x) (mem_map + pte_pagenr(x)) + +/* + * Return number of (down rounded) MB corresponding to x pages. + */ +#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) + + +/* + * The following have defined behavior only work if pte_present() is true. + */ +static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_READ; } +static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXECUTE; } +static inline int pte_dirty(pte_t pte){ return pte_val(pte) & _PAGE_DIRTY; } +static inline int pte_young(pte_t pte){ return pte_val(pte) & _PAGE_ACCESSED; } +static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } +static inline int pte_write(pte_t pte){ return pte_val(pte) & _PAGE_WRITE; } + +extern inline pte_t pte_rdprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_READ)); return pte; } +extern inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; } +extern inline pte_t pte_exprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_EXECUTE)); return pte; } +extern inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; } +extern inline pte_t pte_mkold(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; } + +extern inline pte_t pte_mkread(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_READ)); return pte; } +extern inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_WRITE)); return pte; } +extern inline pte_t pte_mkexec(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_EXECUTE)); return pte; } +extern inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; } +extern inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; } + +/* + * Conversion functions: convert a page and protection to a page entry. + * + * extern pte_t mk_pte(struct page *page, pgprot_t pgprot) + */ +#define mk_pte(page,pgprot) \ +({ \ + pte_t __pte; \ + \ + set_pte(&__pte, __pte((((page)-mem_map) << PAGE_SHIFT) | \ + __MEMORY_START | pgprot_val((pgprot)))); \ + __pte; \ +}) + +/* + * This takes a (absolute) physical page address that is used + * by the remapping functions + */ +#define mk_pte_phys(physpage, pgprot) \ +({ pte_t __pte; set_pte(&__pte, __pte(physpage | pgprot_val(pgprot))); __pte; }) + +extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot) +{ set_pte(&pte, __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot))); return pte; } + +#define page_pte_prot(page, prot) mk_pte(page, prot) +#define page_pte(page) page_pte_prot(page, __pgprot(0)) + +typedef pte_t *pte_addr_t; +#define pgtable_cache_init() do { } while (0) + +extern void update_mmu_cache(struct vm_area_struct * vma, + unsigned long address, pte_t pte); + +/* Encode and decode a swap entry */ +#define __swp_type(x) (((x).val & 3) + (((x).val >> 1) & 0x3c)) +#define __swp_offset(x) ((x).val >> 8) +#define __swp_entry(type, offset) ((swp_entry_t) { ((offset << 8) + ((type & 0x3c) << 1) + (type & 3)) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) + +/* Encode and decode a nonlinear file mapping entry */ +#define PTE_FILE_MAX_BITS 29 +#define pte_to_pgoff(pte) (pte_val(pte)) +#define pgoff_to_pte(off) ((pte_t) { (off) | _PAGE_FILE }) + +/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ +#define PageSkip(page) (0) +#define kern_addr_valid(addr) (1) + +#define io_remap_page_range(vma, vaddr, paddr, size, prot) \ + remap_pfn_range(vma, vaddr, (paddr) >> PAGE_SHIFT, size, prot) + +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ + remap_pfn_range(vma, vaddr, pfn, size, prot) + +#define MK_IOSPACE_PFN(space, pfn) (pfn) +#define GET_IOSPACE(pfn) 0 +#define GET_PFN(pfn) (pfn) + +#endif /* !__ASSEMBLY__ */ + +/* + * No page table caches to initialise + */ +#define pgtable_cache_init() do { } while (0) + +#define pte_pfn(x) (((unsigned long)((x).pte)) >> PAGE_SHIFT) +#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) +#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) + +extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; + +#include <asm-generic/pgtable.h> + +#endif /* __ASM_SH64_PGTABLE_H */ diff --git a/include/asm-sh64/platform.h b/include/asm-sh64/platform.h new file mode 100644 index 000000000000..7046a9014027 --- /dev/null +++ b/include/asm-sh64/platform.h @@ -0,0 +1,69 @@ +#ifndef __ASM_SH64_PLATFORM_H +#define __ASM_SH64_PLATFORM_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/platform.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + * benedict.gaster@superh.com: 3rd May 2002 + * Added support for ramdisk, removing statically linked romfs at the same time. + */ + +#include <linux/ioport.h> +#include <asm/irq.h> + + +/* + * Platform definition structure. + */ +struct sh64_platform { + unsigned int readonly_rootfs; + unsigned int ramdisk_flags; + unsigned int initial_root_dev; + unsigned int loader_type; + unsigned int initrd_start; + unsigned int initrd_size; + unsigned int fpu_flags; + unsigned int io_res_count; + unsigned int kram_res_count; + unsigned int xram_res_count; + unsigned int rom_res_count; + struct resource *io_res_p; + struct resource *kram_res_p; + struct resource *xram_res_p; + struct resource *rom_res_p; +}; + +extern struct sh64_platform platform_parms; + +extern unsigned long long memory_start, memory_end; + +extern unsigned long long fpu_in_use; + +extern int platform_int_priority[NR_INTC_IRQS]; + +#define FPU_FLAGS (platform_parms.fpu_flags) +#define STANDARD_IO_RESOURCES (platform_parms.io_res_count) +#define STANDARD_KRAM_RESOURCES (platform_parms.kram_res_count) +#define STANDARD_XRAM_RESOURCES (platform_parms.xram_res_count) +#define STANDARD_ROM_RESOURCES (platform_parms.rom_res_count) + +/* + * Kernel Memory description, Respectively: + * code = last but one memory descriptor + * data = last memory descriptor + */ +#define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2]) +#define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1]) + +/* Be prepared to 64-bit sign extensions */ +#define PFN_UP(x) ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff) +#define PFN_DOWN(x) (((x) >> PAGE_SHIFT) & 0x000fffff) +#define PFN_PHYS(x) ((x) << PAGE_SHIFT) + +#endif /* __ASM_SH64_PLATFORM_H */ diff --git a/include/asm-sh64/poll.h b/include/asm-sh64/poll.h new file mode 100644 index 000000000000..a420d14eb704 --- /dev/null +++ b/include/asm-sh64/poll.h @@ -0,0 +1,36 @@ +#ifndef __ASM_SH64_POLL_H +#define __ASM_SH64_POLL_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/poll.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* These are specified by iBCS2 */ +#define POLLIN 0x0001 +#define POLLPRI 0x0002 +#define POLLOUT 0x0004 +#define POLLERR 0x0008 +#define POLLHUP 0x0010 +#define POLLNVAL 0x0020 + +/* The rest seem to be more-or-less nonstandard. Check them! */ +#define POLLRDNORM 0x0040 +#define POLLRDBAND 0x0080 +#define POLLWRNORM 0x0100 +#define POLLWRBAND 0x0200 +#define POLLMSG 0x0400 + +struct pollfd { + int fd; + short events; + short revents; +}; + +#endif /* __ASM_SH64_POLL_H */ diff --git a/include/asm-sh64/posix_types.h b/include/asm-sh64/posix_types.h new file mode 100644 index 000000000000..0620317a6f0f --- /dev/null +++ b/include/asm-sh64/posix_types.h @@ -0,0 +1,131 @@ +#ifndef __ASM_SH64_POSIX_TYPES_H +#define __ASM_SH64_POSIX_TYPES_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/posix_types.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_nlink_t; +typedef long __kernel_off_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +typedef long unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_timer_t; +typedef int __kernel_clockid_t; +typedef int __kernel_daddr_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; + +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; +typedef unsigned short __kernel_old_dev_t; + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; +#endif + +typedef struct { +#if defined(__KERNEL__) || defined(__USE_ALL) + int val[2]; +#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ + int __val[2]; +#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ +} __kernel_fsid_t; + +#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) + +#undef __FD_SET +static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + __fdsetp->fds_bits[__tmp] |= (1UL<<__rem); +} + +#undef __FD_CLR +static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem); +} + + +#undef __FD_ISSET +static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0; +} + +/* + * This will unroll the loop for the normal constant case (8 ints, + * for a 256-bit fd_set) + */ +#undef __FD_ZERO +static __inline__ void __FD_ZERO(__kernel_fd_set *__p) +{ + unsigned long *__tmp = __p->fds_bits; + int __i; + + if (__builtin_constant_p(__FDSET_LONGS)) { + switch (__FDSET_LONGS) { + case 16: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + __tmp[ 4] = 0; __tmp[ 5] = 0; + __tmp[ 6] = 0; __tmp[ 7] = 0; + __tmp[ 8] = 0; __tmp[ 9] = 0; + __tmp[10] = 0; __tmp[11] = 0; + __tmp[12] = 0; __tmp[13] = 0; + __tmp[14] = 0; __tmp[15] = 0; + return; + + case 8: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + __tmp[ 4] = 0; __tmp[ 5] = 0; + __tmp[ 6] = 0; __tmp[ 7] = 0; + return; + + case 4: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + return; + } + } + __i = __FDSET_LONGS; + while (__i) { + __i--; + *__tmp = 0; + __tmp++; + } +} + +#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ + +#endif /* __ASM_SH64_POSIX_TYPES_H */ diff --git a/include/asm-sh64/processor.h b/include/asm-sh64/processor.h new file mode 100644 index 000000000000..a51bd41e6fbc --- /dev/null +++ b/include/asm-sh64/processor.h @@ -0,0 +1,286 @@ +#ifndef __ASM_SH64_PROCESSOR_H +#define __ASM_SH64_PROCESSOR_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/processor.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + */ + +#include <asm/page.h> + +#ifndef __ASSEMBLY__ + +#include <asm/types.h> +#include <asm/cache.h> +#include <asm/registers.h> +#include <linux/threads.h> + +/* + * Default implementation of macro that returns current + * instruction pointer ("program counter"). + */ +#define current_text_addr() ({ \ +void *pc; \ +unsigned long long __dummy = 0; \ +__asm__("gettr tr0, %1\n\t" \ + "pta 4, tr0\n\t" \ + "gettr tr0, %0\n\t" \ + "ptabs %1, tr0\n\t" \ + :"=r" (pc), "=r" (__dummy) \ + : "1" (__dummy)); \ +pc; }) + +/* + * CPU type and hardware bug flags. Kept separately for each CPU. + */ +enum cpu_type { + CPU_SH5_101, + CPU_SH5_103, + CPU_SH_NONE +}; + +/* + * TLB information structure + * + * Defined for both I and D tlb, per-processor. + */ +struct tlb_info { + unsigned long long next; + unsigned long long first; + unsigned long long last; + + unsigned int entries; + unsigned int step; + + unsigned long flags; +}; + +struct sh_cpuinfo { + enum cpu_type type; + unsigned long loops_per_jiffy; + + char hard_math; + + unsigned long *pgd_quick; + unsigned long *pmd_quick; + unsigned long *pte_quick; + unsigned long pgtable_cache_sz; + unsigned int cpu_clock, master_clock, bus_clock, module_clock; + + /* Cache info */ + struct cache_info icache; + struct cache_info dcache; + + /* TLB info */ + struct tlb_info itlb; + struct tlb_info dtlb; +}; + +extern struct sh_cpuinfo boot_cpu_data; + +#define cpu_data (&boot_cpu_data) +#define current_cpu_data boot_cpu_data + +#endif + +/* + * User space process size: 2GB - 4k. + */ +#define TASK_SIZE 0x7ffff000UL + +/* This decides where the kernel will search for a free chunk of vm + * space during mmap's. + */ +#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) + +/* + * Bit of SR register + * + * FD-bit: + * When it's set, it means the processor doesn't have right to use FPU, + * and it results exception when the floating operation is executed. + * + * IMASK-bit: + * Interrupt level mask + * + * STEP-bit: + * Single step bit + * + */ +#define SR_FD 0x00008000 + +#if defined(CONFIG_SH64_SR_WATCH) +#define SR_MMU 0x84000000 +#else +#define SR_MMU 0x80000000 +#endif + +#define SR_IMASK 0x000000f0 +#define SR_SSTEP 0x08000000 + +#ifndef __ASSEMBLY__ + +/* + * FPU structure and data : require 8-byte alignment as we need to access it + with fld.p, fst.p + */ + +struct sh_fpu_hard_struct { + unsigned long fp_regs[64]; + unsigned int fpscr; + /* long status; * software status information */ +}; + +#if 0 +/* Dummy fpu emulator */ +struct sh_fpu_soft_struct { + unsigned long long fp_regs[32]; + unsigned int fpscr; + unsigned char lookahead; + unsigned long entry_pc; +}; +#endif + +union sh_fpu_union { + struct sh_fpu_hard_struct hard; + /* 'hard' itself only produces 32 bit alignment, yet we need + to access it using 64 bit load/store as well. */ + unsigned long long alignment_dummy; +}; + +struct thread_struct { + unsigned long sp; + unsigned long pc; + /* This stores the address of the pt_regs built during a context + switch, or of the register save area built for a kernel mode + exception. It is used for backtracing the stack of a sleeping task + or one that traps in kernel mode. */ + struct pt_regs *kregs; + /* This stores the address of the pt_regs constructed on entry from + user mode. It is a fixed value over the lifetime of a process, or + NULL for a kernel thread. */ + struct pt_regs *uregs; + + unsigned long trap_no, error_code; + unsigned long address; + /* Hardware debugging registers may come here */ + + /* floating point info */ + union sh_fpu_union fpu; +}; + +#define INIT_MMAP \ +{ &init_mm, 0, 0, NULL, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, 1, NULL, NULL } + +extern struct pt_regs fake_swapper_regs; + +#define INIT_THREAD { \ + .sp = sizeof(init_stack) + \ + (long) &init_stack, \ + .pc = 0, \ + .kregs = &fake_swapper_regs, \ + .uregs = NULL, \ + .trap_no = 0, \ + .error_code = 0, \ + .address = 0, \ + .fpu = { { { 0, } }, } \ +} + +/* + * Do necessary setup to start up a newly executed thread. + */ +#define SR_USER (SR_MMU | SR_FD) + +#define start_thread(regs, new_pc, new_sp) \ + set_fs(USER_DS); \ + regs->sr = SR_USER; /* User mode. */ \ + regs->pc = new_pc - 4; /* Compensate syscall exit */ \ + regs->pc |= 1; /* Set SHmedia ! */ \ + regs->regs[18] = 0; \ + regs->regs[15] = new_sp + +/* Forward declaration, a strange C thing */ +struct task_struct; +struct mm_struct; + +/* Free all resources held by a thread. */ +extern void release_thread(struct task_struct *); +/* + * create a kernel thread without removing it from tasklists + */ +extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); + + +/* Copy and release all segment info associated with a VM */ +#define copy_segments(p, mm) do { } while (0) +#define release_segments(mm) do { } while (0) +#define forget_segments() do { } while (0) +#define prepare_to_copy(tsk) do { } while (0) +/* + * FPU lazy state save handling. + */ + +extern __inline__ void release_fpu(void) +{ + unsigned long long __dummy; + + /* Set FD flag in SR */ + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "or %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy) + : "r" (SR_FD)); +} + +extern __inline__ void grab_fpu(void) +{ + unsigned long long __dummy; + + /* Clear out FD flag in SR */ + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "and %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy) + : "r" (~SR_FD)); +} + +/* Round to nearest, no exceptions on inexact, overflow, underflow, + zero-divide, invalid. Configure option for whether to flush denorms to + zero, or except if a denorm is encountered. */ +#if defined(CONFIG_SH64_FPU_DENORM_FLUSH) +#define FPSCR_INIT 0x00040000 +#else +#define FPSCR_INIT 0x00000000 +#endif + +/* Save the current FP regs */ +void fpsave(struct sh_fpu_hard_struct *fpregs); + +/* Initialise the FP state of a task */ +void fpinit(struct sh_fpu_hard_struct *fpregs); + +extern struct task_struct *last_task_used_math; + +/* + * Return saved PC of a blocked thread. + */ +#define thread_saved_pc(tsk) (tsk->thread.pc) + +extern unsigned long get_wchan(struct task_struct *p); + +#define KSTK_EIP(tsk) ((tsk)->thread.pc) +#define KSTK_ESP(tsk) ((tsk)->thread.sp) + +#define cpu_relax() do { } while (0) + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_SH64_PROCESSOR_H */ + diff --git a/include/asm-sh64/ptrace.h b/include/asm-sh64/ptrace.h new file mode 100644 index 000000000000..56190f521587 --- /dev/null +++ b/include/asm-sh64/ptrace.h @@ -0,0 +1,37 @@ +#ifndef __ASM_SH64_PTRACE_H +#define __ASM_SH64_PTRACE_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/ptrace.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* + * This struct defines the way the registers are stored on the + * kernel stack during a system call or other kernel entry. + */ +struct pt_regs { + unsigned long long pc; + unsigned long long sr; + unsigned long long syscall_nr; + unsigned long long regs[63]; + unsigned long long tregs[8]; + unsigned long long pad[2]; +}; + +#ifdef __KERNEL__ +#define user_mode(regs) (((regs)->sr & 0x40000000)==0) +#define instruction_pointer(regs) ((regs)->pc) +#define profile_pc(regs) instruction_pointer(regs) +extern void show_regs(struct pt_regs *); +#endif + +#define PTRACE_O_TRACESYSGOOD 0x00000001 + +#endif /* __ASM_SH64_PTRACE_H */ diff --git a/include/asm-sh64/registers.h b/include/asm-sh64/registers.h new file mode 100644 index 000000000000..7eec666acf84 --- /dev/null +++ b/include/asm-sh64/registers.h @@ -0,0 +1,106 @@ +#ifndef __ASM_SH64_REGISTERS_H +#define __ASM_SH64_REGISTERS_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/registers.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2004 Richard Curnow + */ + +#ifdef __ASSEMBLY__ +/* ===================================================================== +** +** Section 1: acts on assembly sources pre-processed by GPP ( <source.S>). +** Assigns symbolic names to control & target registers. +*/ + +/* + * Define some useful aliases for control registers. + */ +#define SR cr0 +#define SSR cr1 +#define PSSR cr2 + /* cr3 UNDEFINED */ +#define INTEVT cr4 +#define EXPEVT cr5 +#define PEXPEVT cr6 +#define TRA cr7 +#define SPC cr8 +#define PSPC cr9 +#define RESVEC cr10 +#define VBR cr11 + /* cr12 UNDEFINED */ +#define TEA cr13 + /* cr14-cr15 UNDEFINED */ +#define DCR cr16 +#define KCR0 cr17 +#define KCR1 cr18 + /* cr19-cr31 UNDEFINED */ + /* cr32-cr61 RESERVED */ +#define CTC cr62 +#define USR cr63 + +/* + * ABI dependent registers (general purpose set) + */ +#define RET r2 +#define ARG1 r2 +#define ARG2 r3 +#define ARG3 r4 +#define ARG4 r5 +#define ARG5 r6 +#define ARG6 r7 +#define SP r15 +#define LINK r18 +#define ZERO r63 + +/* + * Status register defines: used only by assembly sources (and + * syntax independednt) + */ +#define SR_RESET_VAL 0x0000000050008000 +#define SR_HARMLESS 0x00000000500080f0 /* Write ignores for most */ +#define SR_ENABLE_FPU 0xffffffffffff7fff /* AND with this */ + +#if defined (CONFIG_SH64_SR_WATCH) +#define SR_ENABLE_MMU 0x0000000084000000 /* OR with this */ +#else +#define SR_ENABLE_MMU 0x0000000080000000 /* OR with this */ +#endif + +#define SR_UNBLOCK_EXC 0xffffffffefffffff /* AND with this */ +#define SR_BLOCK_EXC 0x0000000010000000 /* OR with this */ + +#else /* Not __ASSEMBLY__ syntax */ + +/* +** Stringify reg. name +*/ +#define __str(x) #x + +/* Stringify control register names for use in inline assembly */ +#define __SR __str(SR) +#define __SSR __str(SSR) +#define __PSSR __str(PSSR) +#define __INTEVT __str(INTEVT) +#define __EXPEVT __str(EXPEVT) +#define __PEXPEVT __str(PEXPEVT) +#define __TRA __str(TRA) +#define __SPC __str(SPC) +#define __PSPC __str(PSPC) +#define __RESVEC __str(RESVEC) +#define __VBR __str(VBR) +#define __TEA __str(TEA) +#define __DCR __str(DCR) +#define __KCR0 __str(KCR0) +#define __KCR1 __str(KCR1) +#define __CTC __str(CTC) +#define __USR __str(USR) + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_SH64_REGISTERS_H */ diff --git a/include/asm-sh64/resource.h b/include/asm-sh64/resource.h new file mode 100644 index 000000000000..8ff93944ae66 --- /dev/null +++ b/include/asm-sh64/resource.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_RESOURCE_H +#define __ASM_SH64_RESOURCE_H + +#include <asm-sh/resource.h> + +#endif /* __ASM_SH64_RESOURCE_H */ diff --git a/include/asm-sh64/scatterlist.h b/include/asm-sh64/scatterlist.h new file mode 100644 index 000000000000..5d8fa32d2e9d --- /dev/null +++ b/include/asm-sh64/scatterlist.h @@ -0,0 +1,23 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/scatterlist.h + * + * Copyright (C) 2003 Paul Mundt + * + */ +#ifndef __ASM_SH64_SCATTERLIST_H +#define __ASM_SH64_SCATTERLIST_H + +struct scatterlist { + struct page * page; /* Location for highmem page, if any */ + unsigned int offset;/* for highmem, page offset */ + dma_addr_t dma_address; + unsigned int length; +}; + +#define ISA_DMA_THRESHOLD (0xffffffff) + +#endif /* !__ASM_SH64_SCATTERLIST_H */ diff --git a/include/asm-sh64/sections.h b/include/asm-sh64/sections.h new file mode 100644 index 000000000000..897f36bcdf85 --- /dev/null +++ b/include/asm-sh64/sections.h @@ -0,0 +1,7 @@ +#ifndef __ASM_SH64_SECTIONS_H +#define __ASM_SH64_SECTIONS_H + +#include <asm-sh/sections.h> + +#endif /* __ASM_SH64_SECTIONS_H */ + diff --git a/include/asm-sh64/segment.h b/include/asm-sh64/segment.h new file mode 100644 index 000000000000..92ac001fc483 --- /dev/null +++ b/include/asm-sh64/segment.h @@ -0,0 +1,6 @@ +#ifndef _ASM_SEGMENT_H +#define _ASM_SEGMENT_H + +/* Only here because we have some old header files that expect it.. */ + +#endif /* _ASM_SEGMENT_H */ diff --git a/include/asm-sh64/semaphore-helper.h b/include/asm-sh64/semaphore-helper.h new file mode 100644 index 000000000000..fcfafe263e86 --- /dev/null +++ b/include/asm-sh64/semaphore-helper.h @@ -0,0 +1,101 @@ +#ifndef __ASM_SH64_SEMAPHORE_HELPER_H +#define __ASM_SH64_SEMAPHORE_HELPER_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/semaphore-helper.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ +#include <asm/errno.h> + +/* + * SMP- and interrupt-safe semaphores helper functions. + * + * (C) Copyright 1996 Linus Torvalds + * (C) Copyright 1999 Andrea Arcangeli + */ + +/* + * These two _must_ execute atomically wrt each other. + * + * This is trivially done with load_locked/store_cond, + * which we have. Let the rest of the losers suck eggs. + */ +static __inline__ void wake_one_more(struct semaphore * sem) +{ + atomic_inc((atomic_t *)&sem->sleepers); +} + +static __inline__ int waking_non_zero(struct semaphore *sem) +{ + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&semaphore_wake_lock, flags); + if (sem->sleepers > 0) { + sem->sleepers--; + ret = 1; + } + spin_unlock_irqrestore(&semaphore_wake_lock, flags); + return ret; +} + +/* + * waking_non_zero_interruptible: + * 1 got the lock + * 0 go to sleep + * -EINTR interrupted + * + * We must undo the sem->count down_interruptible() increment while we are + * protected by the spinlock in order to make atomic this atomic_inc() with the + * atomic_read() in wake_one_more(), otherwise we can race. -arca + */ +static __inline__ int waking_non_zero_interruptible(struct semaphore *sem, + struct task_struct *tsk) +{ + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&semaphore_wake_lock, flags); + if (sem->sleepers > 0) { + sem->sleepers--; + ret = 1; + } else if (signal_pending(tsk)) { + atomic_inc(&sem->count); + ret = -EINTR; + } + spin_unlock_irqrestore(&semaphore_wake_lock, flags); + return ret; +} + +/* + * waking_non_zero_trylock: + * 1 failed to lock + * 0 got the lock + * + * We must undo the sem->count down_trylock() increment while we are + * protected by the spinlock in order to make atomic this atomic_inc() with the + * atomic_read() in wake_one_more(), otherwise we can race. -arca + */ +static __inline__ int waking_non_zero_trylock(struct semaphore *sem) +{ + unsigned long flags; + int ret = 1; + + spin_lock_irqsave(&semaphore_wake_lock, flags); + if (sem->sleepers <= 0) + atomic_inc(&sem->count); + else { + sem->sleepers--; + ret = 0; + } + spin_unlock_irqrestore(&semaphore_wake_lock, flags); + return ret; +} + +#endif /* __ASM_SH64_SEMAPHORE_HELPER_H */ diff --git a/include/asm-sh64/semaphore.h b/include/asm-sh64/semaphore.h new file mode 100644 index 000000000000..fce22bb9a546 --- /dev/null +++ b/include/asm-sh64/semaphore.h @@ -0,0 +1,123 @@ +#ifndef __ASM_SH64_SEMAPHORE_H +#define __ASM_SH64_SEMAPHORE_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/semaphore.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + * SMP- and interrupt-safe semaphores. + * + * (C) Copyright 1996 Linus Torvalds + * + * SuperH verison by Niibe Yutaka + * (Currently no asm implementation but generic C code...) + * + */ + +#include <linux/linkage.h> +#include <linux/spinlock.h> +#include <linux/wait.h> +#include <linux/rwsem.h> + +#include <asm/system.h> +#include <asm/atomic.h> + +struct semaphore { + atomic_t count; + int sleepers; + wait_queue_head_t wait; +}; + +#define __SEMAPHORE_INITIALIZER(name, n) \ +{ \ + .count = ATOMIC_INIT(n), \ + .sleepers = 0, \ + .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \ +} + +#define __MUTEX_INITIALIZER(name) \ + __SEMAPHORE_INITIALIZER(name,1) + +#define __DECLARE_SEMAPHORE_GENERIC(name,count) \ + struct semaphore name = __SEMAPHORE_INITIALIZER(name,count) + +#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1) +#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0) + +static inline void sema_init (struct semaphore *sem, int val) +{ +/* + * *sem = (struct semaphore)__SEMAPHORE_INITIALIZER((*sem),val); + * + * i'd rather use the more flexible initialization above, but sadly + * GCC 2.7.2.3 emits a bogus warning. EGCS doesnt. Oh well. + */ + atomic_set(&sem->count, val); + sem->sleepers = 0; + init_waitqueue_head(&sem->wait); +} + +static inline void init_MUTEX (struct semaphore *sem) +{ + sema_init(sem, 1); +} + +static inline void init_MUTEX_LOCKED (struct semaphore *sem) +{ + sema_init(sem, 0); +} + +#if 0 +asmlinkage void __down_failed(void /* special register calling convention */); +asmlinkage int __down_failed_interruptible(void /* params in registers */); +asmlinkage int __down_failed_trylock(void /* params in registers */); +asmlinkage void __up_wakeup(void /* special register calling convention */); +#endif + +asmlinkage void __down(struct semaphore * sem); +asmlinkage int __down_interruptible(struct semaphore * sem); +asmlinkage int __down_trylock(struct semaphore * sem); +asmlinkage void __up(struct semaphore * sem); + +extern spinlock_t semaphore_wake_lock; + +static inline void down(struct semaphore * sem) +{ + if (atomic_dec_return(&sem->count) < 0) + __down(sem); +} + +static inline int down_interruptible(struct semaphore * sem) +{ + int ret = 0; + + if (atomic_dec_return(&sem->count) < 0) + ret = __down_interruptible(sem); + return ret; +} + +static inline int down_trylock(struct semaphore * sem) +{ + int ret = 0; + + if (atomic_dec_return(&sem->count) < 0) + ret = __down_trylock(sem); + return ret; +} + +/* + * Note! This is subtle. We jump to wake people up only if + * the semaphore was negative (== somebody was waiting on it). + */ +static inline void up(struct semaphore * sem) +{ + if (atomic_inc_return(&sem->count) <= 0) + __up(sem); +} + +#endif /* __ASM_SH64_SEMAPHORE_H */ diff --git a/include/asm-sh64/sembuf.h b/include/asm-sh64/sembuf.h new file mode 100644 index 000000000000..ec4d9f143577 --- /dev/null +++ b/include/asm-sh64/sembuf.h @@ -0,0 +1,36 @@ +#ifndef __ASM_SH64_SEMBUF_H +#define __ASM_SH64_SEMBUF_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/sembuf.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* + * The semid64_ds structure for i386 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct semid64_ds { + struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ + __kernel_time_t sem_otime; /* last semop time */ + unsigned long __unused1; + __kernel_time_t sem_ctime; /* last change time */ + unsigned long __unused2; + unsigned long sem_nsems; /* no. of semaphores in array */ + unsigned long __unused3; + unsigned long __unused4; +}; + +#endif /* __ASM_SH64_SEMBUF_H */ diff --git a/include/asm-sh64/serial.h b/include/asm-sh64/serial.h new file mode 100644 index 000000000000..8e39b4e90c76 --- /dev/null +++ b/include/asm-sh64/serial.h @@ -0,0 +1,33 @@ +/* + * include/asm-sh/serial.h + * + * Configuration details for 8250, 16450, 16550, etc. serial ports + */ + +#ifndef _ASM_SERIAL_H +#define _ASM_SERIAL_H + +/* + * This assumes you have a 1.8432 MHz clock for your UART. + * + * It'd be nice if someone built a serial card with a 24.576 MHz + * clock, since the 16550A is capable of handling a top speed of 1.5 + * megabits/second; but this requires the faster clock. + */ +#define BASE_BAUD ( 1843200 / 16 ) + +#define RS_TABLE_SIZE 2 + +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) + +#define STD_SERIAL_PORT_DEFNS \ + /* UART CLK PORT IRQ FLAGS */ \ + { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ + { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS } /* ttyS1 */ + +#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS + +/* XXX: This should be moved ino irq.h */ +#define irq_cannonicalize(x) (x) + +#endif /* _ASM_SERIAL_H */ diff --git a/include/asm-sh64/setup.h b/include/asm-sh64/setup.h new file mode 100644 index 000000000000..ebd42eb1b709 --- /dev/null +++ b/include/asm-sh64/setup.h @@ -0,0 +1,16 @@ +#ifndef __ASM_SH64_SETUP_H +#define __ASM_SH64_SETUP_H + +#define PARAM ((unsigned char *)empty_zero_page) +#define MOUNT_ROOT_RDONLY (*(unsigned long *) (PARAM+0x000)) +#define RAMDISK_FLAGS (*(unsigned long *) (PARAM+0x004)) +#define ORIG_ROOT_DEV (*(unsigned long *) (PARAM+0x008)) +#define LOADER_TYPE (*(unsigned long *) (PARAM+0x00c)) +#define INITRD_START (*(unsigned long *) (PARAM+0x010)) +#define INITRD_SIZE (*(unsigned long *) (PARAM+0x014)) + +#define COMMAND_LINE ((char *) (PARAM+256)) +#define COMMAND_LINE_SIZE 256 + +#endif /* __ASM_SH64_SETUP_H */ + diff --git a/include/asm-sh64/shmbuf.h b/include/asm-sh64/shmbuf.h new file mode 100644 index 000000000000..022f3494dd64 --- /dev/null +++ b/include/asm-sh64/shmbuf.h @@ -0,0 +1,53 @@ +#ifndef __ASM_SH64_SHMBUF_H +#define __ASM_SH64_SHMBUF_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/shmbuf.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* + * The shmid64_ds structure for i386 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct shmid64_ds { + struct ipc64_perm shm_perm; /* operation perms */ + size_t shm_segsz; /* size of segment (bytes) */ + __kernel_time_t shm_atime; /* last attach time */ + unsigned long __unused1; + __kernel_time_t shm_dtime; /* last detach time */ + unsigned long __unused2; + __kernel_time_t shm_ctime; /* last change time */ + unsigned long __unused3; + __kernel_pid_t shm_cpid; /* pid of creator */ + __kernel_pid_t shm_lpid; /* pid of last operator */ + unsigned long shm_nattch; /* no. of current attaches */ + unsigned long __unused4; + unsigned long __unused5; +}; + +struct shminfo64 { + unsigned long shmmax; + unsigned long shmmin; + unsigned long shmmni; + unsigned long shmseg; + unsigned long shmall; + unsigned long __unused1; + unsigned long __unused2; + unsigned long __unused3; + unsigned long __unused4; +}; + +#endif /* __ASM_SH64_SHMBUF_H */ diff --git a/include/asm-sh64/shmparam.h b/include/asm-sh64/shmparam.h new file mode 100644 index 000000000000..d3a99a4dc0e3 --- /dev/null +++ b/include/asm-sh64/shmparam.h @@ -0,0 +1,20 @@ +#ifndef __ASM_SH64_SHMPARAM_H +#define __ASM_SH64_SHMPARAM_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/shmparam.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <asm/cache.h> + +/* attach addr a multiple of this */ +#define SHMLBA (cpu_data->dcache.sets * L1_CACHE_BYTES) + +#endif /* __ASM_SH64_SHMPARAM_H */ diff --git a/include/asm-sh64/sigcontext.h b/include/asm-sh64/sigcontext.h new file mode 100644 index 000000000000..6293509d8cc1 --- /dev/null +++ b/include/asm-sh64/sigcontext.h @@ -0,0 +1,30 @@ +#ifndef __ASM_SH64_SIGCONTEXT_H +#define __ASM_SH64_SIGCONTEXT_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/sigcontext.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +struct sigcontext { + unsigned long oldmask; + + /* CPU registers */ + unsigned long long sc_regs[63]; + unsigned long long sc_tregs[8]; + unsigned long long sc_pc; + unsigned long long sc_sr; + + /* FPU registers */ + unsigned long long sc_fpregs[32]; + unsigned int sc_fpscr; + unsigned int sc_fpvalid; +}; + +#endif /* __ASM_SH64_SIGCONTEXT_H */ diff --git a/include/asm-sh64/siginfo.h b/include/asm-sh64/siginfo.h new file mode 100644 index 000000000000..56ef1da534d7 --- /dev/null +++ b/include/asm-sh64/siginfo.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_SIGINFO_H +#define __ASM_SH64_SIGINFO_H + +#include <asm-generic/siginfo.h> + +#endif /* __ASM_SH64_SIGINFO_H */ diff --git a/include/asm-sh64/signal.h b/include/asm-sh64/signal.h new file mode 100644 index 000000000000..77957e9b92d9 --- /dev/null +++ b/include/asm-sh64/signal.h @@ -0,0 +1,185 @@ +#ifndef __ASM_SH64_SIGNAL_H +#define __ASM_SH64_SIGNAL_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/signal.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <linux/types.h> +#include <asm/processor.h> + +/* Avoid too many header ordering problems. */ +struct siginfo; + +#define _NSIG 64 +#define _NSIG_BPW 32 +#define _NSIG_WORDS (_NSIG / _NSIG_BPW) + +typedef unsigned long old_sigset_t; /* at least 32 bits */ + +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} sigset_t; + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#define SIGRTMAX (_NSIG-1) + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ +#define SA_NOCLDSTOP 0x00000001 +#define SA_NOCLDWAIT 0x00000002 /* not supported yet */ +#define SA_SIGINFO 0x00000004 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND +#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ + +#define SA_RESTORER 0x04000000 + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ THREAD_SIZE + +#ifdef __KERNEL__ + +/* + * These values of sa_flags are used only by the kernel as part of the + * irq handling routines. + * + * SA_INTERRUPT is also used by the irq handling routines. + * SA_SHIRQ is for shared interrupt support on PCI and EISA. + */ +#define SA_PROBE SA_ONESHOT +#define SA_SAMPLE_RANDOM SA_RESTART +#define SA_SHIRQ 0x04000000 +#endif + +#define SIG_BLOCK 0 /* for blocking signals */ +#define SIG_UNBLOCK 1 /* for unblocking signals */ +#define SIG_SETMASK 2 /* for setting the signal mask */ + +/* Type of a signal handler. */ +typedef void (*__sighandler_t)(int); + +#define SIG_DFL ((__sighandler_t)0) /* default signal handling */ +#define SIG_IGN ((__sighandler_t)1) /* ignore signal */ +#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ + +#ifdef __KERNEL__ +struct old_sigaction { + __sighandler_t sa_handler; + old_sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +struct sigaction { + __sighandler_t sa_handler; + unsigned long sa_flags; + void (*sa_restorer)(void); + sigset_t sa_mask; /* mask last for extensibility */ +}; + +struct k_sigaction { + struct sigaction sa; +}; +#else +/* Here we must cater to libcs that poke about in kernel headers. */ + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +typedef struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + +#ifdef __KERNEL__ +#include <asm/sigcontext.h> + +#define sigmask(sig) (1UL << ((sig) - 1)) +#define ptrace_signal_deliver(regs, cookie) do { } while (0) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH64_SIGNAL_H */ diff --git a/include/asm-sh64/smp.h b/include/asm-sh64/smp.h new file mode 100644 index 000000000000..4a4d0da39a84 --- /dev/null +++ b/include/asm-sh64/smp.h @@ -0,0 +1,15 @@ +#ifndef __ASM_SH64_SMP_H +#define __ASM_SH64_SMP_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/smp.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#endif /* __ASM_SH64_SMP_H */ diff --git a/include/asm-sh64/socket.h b/include/asm-sh64/socket.h new file mode 100644 index 000000000000..1853f7246ab0 --- /dev/null +++ b/include/asm-sh64/socket.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_SOCKET_H +#define __ASM_SH64_SOCKET_H + +#include <asm-sh/socket.h> + +#endif /* __ASM_SH64_SOCKET_H */ diff --git a/include/asm-sh64/sockios.h b/include/asm-sh64/sockios.h new file mode 100644 index 000000000000..1ae23ae82977 --- /dev/null +++ b/include/asm-sh64/sockios.h @@ -0,0 +1,24 @@ +#ifndef __ASM_SH64_SOCKIOS_H +#define __ASM_SH64_SOCKIOS_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/sockios.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +/* Socket-level I/O control calls. */ +#define FIOGETOWN _IOR('f', 123, int) +#define FIOSETOWN _IOW('f', 124, int) + +#define SIOCATMARK _IOR('s', 7, int) +#define SIOCSPGRP _IOW('s', 8, pid_t) +#define SIOCGPGRP _IOR('s', 9, pid_t) + +#define SIOCGSTAMP _IOR('s', 100, struct timeval) /* Get stamp - linux-specific */ +#endif /* __ASM_SH64_SOCKIOS_H */ diff --git a/include/asm-sh64/spinlock.h b/include/asm-sh64/spinlock.h new file mode 100644 index 000000000000..296b0c9b24a2 --- /dev/null +++ b/include/asm-sh64/spinlock.h @@ -0,0 +1,17 @@ +#ifndef __ASM_SH64_SPINLOCK_H +#define __ASM_SH64_SPINLOCK_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/spinlock.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#error "No SMP on SH64" + +#endif /* __ASM_SH64_SPINLOCK_H */ diff --git a/include/asm-sh64/stat.h b/include/asm-sh64/stat.h new file mode 100644 index 000000000000..86f551b1987e --- /dev/null +++ b/include/asm-sh64/stat.h @@ -0,0 +1,88 @@ +#ifndef __ASM_SH64_STAT_H +#define __ASM_SH64_STAT_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/stat.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +struct __old_kernel_stat { + unsigned short st_dev; + unsigned short st_ino; + unsigned short st_mode; + unsigned short st_nlink; + unsigned short st_uid; + unsigned short st_gid; + unsigned short st_rdev; + unsigned long st_size; + unsigned long st_atime; + unsigned long st_mtime; + unsigned long st_ctime; +}; + +struct stat { + unsigned short st_dev; + unsigned short __pad1; + unsigned long st_ino; + unsigned short st_mode; + unsigned short st_nlink; + unsigned short st_uid; + unsigned short st_gid; + unsigned short st_rdev; + unsigned short __pad2; + unsigned long st_size; + unsigned long st_blksize; + unsigned long st_blocks; + unsigned long st_atime; + unsigned long st_atime_nsec; + unsigned long st_mtime; + unsigned long st_mtime_nsec; + unsigned long st_ctime; + unsigned long st_ctime_nsec; + unsigned long __unused4; + unsigned long __unused5; +}; + +/* This matches struct stat64 in glibc2.1, hence the absolutely + * insane amounts of padding around dev_t's. + */ +struct stat64 { + unsigned short st_dev; + unsigned char __pad0[10]; + + unsigned long st_ino; + unsigned int st_mode; + unsigned int st_nlink; + + unsigned long st_uid; + unsigned long st_gid; + + unsigned short st_rdev; + unsigned char __pad3[10]; + + long long st_size; + unsigned long st_blksize; + + unsigned long st_blocks; /* Number 512-byte blocks allocated. */ + unsigned long __pad4; /* future possible st_blocks high bits */ + + unsigned long st_atime; + unsigned long st_atime_nsec; + + unsigned long st_mtime; + unsigned long st_mtime_nsec; + + unsigned long st_ctime; + unsigned long st_ctime_nsec; /* will be high 32 bits of ctime someday */ + + unsigned long __unused1; + unsigned long __unused2; +}; + +#endif /* __ASM_SH64_STAT_H */ diff --git a/include/asm-sh64/statfs.h b/include/asm-sh64/statfs.h new file mode 100644 index 000000000000..083fd79b2417 --- /dev/null +++ b/include/asm-sh64/statfs.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_STATFS_H +#define __ASM_SH64_STATFS_H + +#include <asm-generic/statfs.h> + +#endif /* __ASM_SH64_STATFS_H */ diff --git a/include/asm-sh64/string.h b/include/asm-sh64/string.h new file mode 100644 index 000000000000..8a7357366ce8 --- /dev/null +++ b/include/asm-sh64/string.h @@ -0,0 +1,21 @@ +#ifndef __ASM_SH64_STRING_H +#define __ASM_SH64_STRING_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/string.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + * Empty on purpose. ARCH SH64 ASM libs are out of the current project scope. + * + */ + +#define __HAVE_ARCH_MEMCPY + +extern void *memcpy(void *dest, const void *src, size_t count); + +#endif diff --git a/include/asm-sh64/system.h b/include/asm-sh64/system.h new file mode 100644 index 000000000000..42510e496eb5 --- /dev/null +++ b/include/asm-sh64/system.h @@ -0,0 +1,195 @@ +#ifndef __ASM_SH64_SYSTEM_H +#define __ASM_SH64_SYSTEM_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/system.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + */ + +#include <linux/config.h> +#include <asm/registers.h> +#include <asm/processor.h> + +/* + * switch_to() should switch tasks to task nr n, first + */ + +typedef struct { + unsigned long seg; +} mm_segment_t; + +extern struct task_struct *sh64_switch_to(struct task_struct *prev, + struct thread_struct *prev_thread, + struct task_struct *next, + struct thread_struct *next_thread); + +#define switch_to(prev,next,last) \ + do {\ + if (last_task_used_math != next) {\ + struct pt_regs *regs = next->thread.uregs;\ + if (regs) regs->sr |= SR_FD;\ + }\ + last = sh64_switch_to(prev, &prev->thread, next, &next->thread);\ + } while(0) + +#define nop() __asm__ __volatile__ ("nop") + +#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) + +#define tas(ptr) (xchg((ptr), 1)) + +extern void __xchg_called_with_bad_pointer(void); + +#define mb() __asm__ __volatile__ ("synco": : :"memory") +#define rmb() mb() +#define wmb() __asm__ __volatile__ ("synco": : :"memory") +#define read_barrier_depends() do { } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#endif /* CONFIG_SMP */ + +#define set_rmb(var, value) do { xchg(&var, value); } while (0) +#define set_mb(var, value) set_rmb(var, value) +#define set_wmb(var, value) do { var = value; wmb(); } while (0) + +/* Interrupt Control */ +#ifndef HARD_CLI +#define SR_MASK_L 0x000000f0L +#define SR_MASK_LL 0x00000000000000f0LL +#else +#define SR_MASK_L 0x10000000L +#define SR_MASK_LL 0x0000000010000000LL +#endif + +static __inline__ void local_irq_enable(void) +{ + /* cli/sti based on SR.BL */ + unsigned long long __dummy0, __dummy1=~SR_MASK_LL; + + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "and %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); +} + +static __inline__ void local_irq_disable(void) +{ + /* cli/sti based on SR.BL */ + unsigned long long __dummy0, __dummy1=SR_MASK_LL; + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "or %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); +} + +#define local_save_flags(x) \ +(__extension__ ({ unsigned long long __dummy=SR_MASK_LL; \ + __asm__ __volatile__( \ + "getcon " __SR ", %0\n\t" \ + "and %0, %1, %0" \ + : "=&r" (x) \ + : "r" (__dummy));})) + +#define local_irq_save(x) \ +(__extension__ ({ unsigned long long __d2=SR_MASK_LL, __d1; \ + __asm__ __volatile__( \ + "getcon " __SR ", %1\n\t" \ + "or %1, r63, %0\n\t" \ + "or %1, %2, %1\n\t" \ + "putcon %1, " __SR "\n\t" \ + "and %0, %2, %0" \ + : "=&r" (x), "=&r" (__d1) \ + : "r" (__d2));})); + +#define local_irq_restore(x) do { \ + if ( ((x) & SR_MASK_L) == 0 ) /* dropping to 0 ? */ \ + local_irq_enable(); /* yes...re-enable */ \ +} while (0) + +#define irqs_disabled() \ +({ \ + unsigned long flags; \ + local_save_flags(flags); \ + (flags != 0); \ +}) + +extern __inline__ unsigned long xchg_u32(volatile int * m, unsigned long val) +{ + unsigned long flags, retval; + + local_irq_save(flags); + retval = *m; + *m = val; + local_irq_restore(flags); + return retval; +} + +extern __inline__ unsigned long xchg_u8(volatile unsigned char * m, unsigned long val) +{ + unsigned long flags, retval; + + local_irq_save(flags); + retval = *m; + *m = val & 0xff; + local_irq_restore(flags); + return retval; +} + +static __inline__ unsigned long __xchg(unsigned long x, volatile void * ptr, int size) +{ + switch (size) { + case 4: + return xchg_u32(ptr, x); + break; + case 1: + return xchg_u8(ptr, x); + break; + } + __xchg_called_with_bad_pointer(); + return x; +} + +/* XXX + * disable hlt during certain critical i/o operations + */ +#define HAVE_DISABLE_HLT +void disable_hlt(void); +void enable_hlt(void); + + +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() + +#ifdef CONFIG_SH_ALPHANUMERIC +/* This is only used for debugging. */ +extern void print_seg(char *file,int line); +#define PLS() print_seg(__FILE__,__LINE__) +#else /* CONFIG_SH_ALPHANUMERIC */ +#define PLS() +#endif /* CONFIG_SH_ALPHANUMERIC */ + +#define PL() printk("@ <%s,%s:%d>\n",__FILE__,__FUNCTION__,__LINE__) + +#define arch_align_stack(x) (x) + +#endif /* __ASM_SH64_SYSTEM_H */ diff --git a/include/asm-sh64/termbits.h b/include/asm-sh64/termbits.h new file mode 100644 index 000000000000..86bde5ec1414 --- /dev/null +++ b/include/asm-sh64/termbits.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_TERMBITS_H +#define __ASM_SH64_TERMBITS_H + +#include <asm-sh/termbits.h> + +#endif /* __ASM_SH64_TERMBITS_H */ diff --git a/include/asm-sh64/termios.h b/include/asm-sh64/termios.h new file mode 100644 index 000000000000..4a9c7fb411bc --- /dev/null +++ b/include/asm-sh64/termios.h @@ -0,0 +1,117 @@ +#ifndef __ASM_SH64_TERMIOS_H +#define __ASM_SH64_TERMIOS_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/termios.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <asm/termbits.h> +#include <asm/ioctls.h> + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + +/* line disciplines */ +#define N_TTY 0 +#define N_SLIP 1 +#define N_MOUSE 2 +#define N_PPP 3 +#define N_STRIP 4 +#define N_AX25 5 +#define N_X25 6 /* X.25 async */ +#define N_6PACK 7 +#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ +#define N_R3964 9 /* Reserved for Simatic R3964 module */ +#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ +#define N_IRDA 11 /* Linux IR - http://www.cs.uit.no/~dagb/irda/irda.html */ +#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */ +#define N_HDLC 13 /* synchronous HDLC */ +#define N_SYNC_PPP 14 +#define N_HCI 15 /* Bluetooth HCI UART */ + +#ifdef __KERNEL__ + +/* intr=^C quit=^\ erase=del kill=^U + eof=^D vtime=\0 vmin=\1 sxtc=\0 + start=^Q stop=^S susp=^Z eol=\0 + reprint=^R discard=^U werase=^W lnext=^V + eol2=\0 +*/ +#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" + +/* + * Translate a "termio" structure into a "termios". Ugh. + */ +#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ + unsigned short __tmp; \ + get_user(__tmp,&(termio)->x); \ + *(unsigned short *) &(termios)->x = __tmp; \ +} + +#define user_termio_to_kernel_termios(termios, termio) \ +({ \ + SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ + SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ + SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ + SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ + copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ +}) + +/* + * Translate a "termios" structure into a "termio". Ugh. + */ +#define kernel_termios_to_user_termio(termio, termios) \ +({ \ + put_user((termios)->c_iflag, &(termio)->c_iflag); \ + put_user((termios)->c_oflag, &(termio)->c_oflag); \ + put_user((termios)->c_cflag, &(termio)->c_cflag); \ + put_user((termios)->c_lflag, &(termio)->c_lflag); \ + put_user((termios)->c_line, &(termio)->c_line); \ + copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ +}) + +#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) +#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH64_TERMIOS_H */ diff --git a/include/asm-sh64/thread_info.h b/include/asm-sh64/thread_info.h new file mode 100644 index 000000000000..e65f394da472 --- /dev/null +++ b/include/asm-sh64/thread_info.h @@ -0,0 +1,87 @@ +#ifndef __ASM_SH64_THREAD_INFO_H +#define __ASM_SH64_THREAD_INFO_H + +/* + * SuperH 5 version + * Copyright (C) 2003 Paul Mundt + */ + +#ifdef __KERNEL__ + +#ifndef __ASSEMBLY__ +#include <asm/registers.h> + +/* + * low level task data that entry.S needs immediate access to + * - this struct should fit entirely inside of one cache line + * - this struct shares the supervisor stack pages + * - if the contents of this structure are changed, the assembly constants must also be changed + */ +struct thread_info { + struct task_struct *task; /* main task structure */ + struct exec_domain *exec_domain; /* execution domain */ + unsigned long flags; /* low level flags */ + /* Put the 4 32-bit fields together to make asm offsetting easier. */ + __s32 preempt_count; /* 0 => preemptable, <0 => BUG */ + __u16 cpu; + + mm_segment_t addr_limit; + struct restart_block restart_block; + + __u8 supervisor_stack[0]; +}; + +/* + * macros/functions for gaining access to the thread information structure + */ +#define INIT_THREAD_INFO(tsk) \ +{ \ + .task = &tsk, \ + .exec_domain = &default_exec_domain, \ + .flags = 0, \ + .cpu = 0, \ + .preempt_count = 1, \ + .addr_limit = KERNEL_DS, \ + .restart_block = { \ + .fn = do_no_restart_syscall, \ + }, \ +} + +#define init_thread_info (init_thread_union.thread_info) +#define init_stack (init_thread_union.stack) + +/* how to get the thread information struct from C */ +static inline struct thread_info *current_thread_info(void) +{ + struct thread_info *ti; + + __asm__ __volatile__ ("getcon " __KCR0 ", %0\n\t" : "=r" (ti)); + + return ti; +} + +/* thread information allocation */ + + + +#define alloc_thread_info(ti) ((struct thread_info *) __get_free_pages(GFP_KERNEL,1)) +#define free_thread_info(ti) free_pages((unsigned long) (ti), 1) +#define get_thread_info(ti) get_task_struct((ti)->task) +#define put_thread_info(ti) put_task_struct((ti)->task) + +#endif /* __ASSEMBLY__ */ + +#define THREAD_SIZE 8192 + +#define PREEMPT_ACTIVE 0x4000000 + +/* thread information flags */ +#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_SIGPENDING 2 /* signal pending */ +#define TIF_NEED_RESCHED 3 /* rescheduling necessary */ +#define TIF_MEMDIE 4 + + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH64_THREAD_INFO_H */ diff --git a/include/asm-sh64/timex.h b/include/asm-sh64/timex.h new file mode 100644 index 000000000000..af0b79269661 --- /dev/null +++ b/include/asm-sh64/timex.h @@ -0,0 +1,34 @@ +#ifndef __ASM_SH64_TIMEX_H +#define __ASM_SH64_TIMEX_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/timex.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * + * sh-5 architecture timex specifications + * + */ + +#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ +#define CLOCK_TICK_FACTOR 20 /* Factor of both 1000000 and CLOCK_TICK_RATE */ +#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \ + (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \ + << (SHIFT_SCALE-SHIFT_HZ)) / HZ) + +typedef unsigned long cycles_t; + +static __inline__ cycles_t get_cycles (void) +{ + return 0; +} + +#define vxtime_lock() do {} while (0) +#define vxtime_unlock() do {} while (0) + +#endif /* __ASM_SH64_TIMEX_H */ diff --git a/include/asm-sh64/tlb.h b/include/asm-sh64/tlb.h new file mode 100644 index 000000000000..4979408bd88c --- /dev/null +++ b/include/asm-sh64/tlb.h @@ -0,0 +1,92 @@ +/* + * include/asm-sh64/tlb.h + * + * Copyright (C) 2003 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ +#ifndef __ASM_SH64_TLB_H +#define __ASM_SH64_TLB_H + +/* + * Note! These are mostly unused, we just need the xTLB_LAST_VAR_UNRESTRICTED + * for head.S! Once this limitation is gone, we can clean the rest of this up. + */ + +/* ITLB defines */ +#define ITLB_FIXED 0x00000000 /* First fixed ITLB, see head.S */ +#define ITLB_LAST_VAR_UNRESTRICTED 0x000003F0 /* Last ITLB */ + +/* DTLB defines */ +#define DTLB_FIXED 0x00800000 /* First fixed DTLB, see head.S */ +#define DTLB_LAST_VAR_UNRESTRICTED 0x008003F0 /* Last DTLB */ + +#ifndef __ASSEMBLY__ + +/** + * for_each_dtlb_entry + * + * @tlb: TLB entry + * + * Iterate over free (non-wired) DTLB entries + */ +#define for_each_dtlb_entry(tlb) \ + for (tlb = cpu_data->dtlb.first; \ + tlb <= cpu_data->dtlb.last; \ + tlb += cpu_data->dtlb.step) + +/** + * for_each_itlb_entry + * + * @tlb: TLB entry + * + * Iterate over free (non-wired) ITLB entries + */ +#define for_each_itlb_entry(tlb) \ + for (tlb = cpu_data->itlb.first; \ + tlb <= cpu_data->itlb.last; \ + tlb += cpu_data->itlb.step) + +/** + * __flush_tlb_slot + * + * @slot: Address of TLB slot. + * + * Flushes TLB slot @slot. + */ +static inline void __flush_tlb_slot(unsigned long long slot) +{ + __asm__ __volatile__ ("putcfg %0, 0, r63\n" : : "r" (slot)); +} + +/* arch/sh64/mm/tlb.c */ +extern int sh64_tlb_init(void); +extern unsigned long long sh64_next_free_dtlb_entry(void); +extern unsigned long long sh64_get_wired_dtlb_entry(void); +extern int sh64_put_wired_dtlb_entry(unsigned long long entry); + +extern void sh64_setup_tlb_slot(unsigned long long config_addr, unsigned long eaddr, unsigned long asid, unsigned long paddr); +extern void sh64_teardown_tlb_slot(unsigned long long config_addr); + +#define tlb_start_vma(tlb, vma) \ + flush_cache_range(vma, vma->vm_start, vma->vm_end) + +#define tlb_end_vma(tlb, vma) \ + flush_tlb_range(vma, vma->vm_start, vma->vm_end) + +#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0) + +/* + * Flush whole TLBs for MM + */ +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) + +#include <asm-generic/tlb.h> + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_SH64_TLB_H */ + diff --git a/include/asm-sh64/tlbflush.h b/include/asm-sh64/tlbflush.h new file mode 100644 index 000000000000..15c0719eecc3 --- /dev/null +++ b/include/asm-sh64/tlbflush.h @@ -0,0 +1,31 @@ +#ifndef __ASM_SH64_TLBFLUSH_H +#define __ASM_SH64_TLBFLUSH_H + +#include <asm/pgalloc.h> + +/* + * TLB flushing: + * + * - flush_tlb() flushes the current mm struct TLBs + * - flush_tlb_all() flushes all processes TLBs + * - flush_tlb_mm(mm) flushes the specified mm context TLB's + * - flush_tlb_page(vma, vmaddr) flushes one page + * - flush_tlb_range(mm, start, end) flushes a range of pages + * + */ + +extern void flush_tlb(void); +extern void flush_tlb_all(void); +extern void flush_tlb_mm(struct mm_struct *mm); +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page); +extern inline void flush_tlb_pgtables(struct mm_struct *mm, + unsigned long start, unsigned long end) +{ +} + +extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); + +#endif /* __ASM_SH64_TLBFLUSH_H */ + diff --git a/include/asm-sh64/topology.h b/include/asm-sh64/topology.h new file mode 100644 index 000000000000..34211787345f --- /dev/null +++ b/include/asm-sh64/topology.h @@ -0,0 +1,6 @@ +#ifndef __ASM_SH64_TOPOLOGY_H +#define __ASM_SH64_TOPOLOGY_H + +#include <asm-generic/topology.h> + +#endif /* __ASM_SH64_TOPOLOGY_H */ diff --git a/include/asm-sh64/types.h b/include/asm-sh64/types.h new file mode 100644 index 000000000000..41d4d2f82aa9 --- /dev/null +++ b/include/asm-sh64/types.h @@ -0,0 +1,76 @@ +#ifndef __ASM_SH64_TYPES_H +#define __ASM_SH64_TYPES_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/types.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#ifndef __ASSEMBLY__ + +typedef unsigned short umode_t; + +/* + * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the + * header files exported to user space + */ + +typedef __signed__ char __s8; +typedef unsigned char __u8; + +typedef __signed__ short __s16; +typedef unsigned short __u16; + +typedef __signed__ int __s32; +typedef unsigned int __u32; + +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +typedef __signed__ long long __s64; +typedef unsigned long long __u64; +#endif + +#endif /* __ASSEMBLY__ */ + +/* + * These aren't exported outside the kernel to avoid name space clashes + */ +#ifdef __KERNEL__ + +#ifndef __ASSEMBLY__ + +typedef __signed__ char s8; +typedef unsigned char u8; + +typedef __signed__ short s16; +typedef unsigned short u16; + +typedef __signed__ int s32; +typedef unsigned int u32; + +typedef __signed__ long long s64; +typedef unsigned long long u64; + +/* DMA addresses come in generic and 64-bit flavours. */ + +#ifdef CONFIG_HIGHMEM64G +typedef u64 dma_addr_t; +#else +typedef u32 dma_addr_t; +#endif +typedef u64 dma64_addr_t; + +typedef unsigned int kmem_bufctl_t; + +#endif /* __ASSEMBLY__ */ + +#define BITS_PER_LONG 32 + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH64_TYPES_H */ diff --git a/include/asm-sh64/uaccess.h b/include/asm-sh64/uaccess.h new file mode 100644 index 000000000000..a33654d576a1 --- /dev/null +++ b/include/asm-sh64/uaccess.h @@ -0,0 +1,327 @@ +#ifndef __ASM_SH64_UACCESS_H +#define __ASM_SH64_UACCESS_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/uaccess.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003, 2004 Paul Mundt + * + * User space memory access functions + * + * Copyright (C) 1999 Niibe Yutaka + * + * Based on: + * MIPS implementation version 1.15 by + * Copyright (C) 1996, 1997, 1998 by Ralf Baechle + * and i386 version. + * + */ + +#include <linux/errno.h> +#include <linux/sched.h> + +#define VERIFY_READ 0 +#define VERIFY_WRITE 1 + +/* + * The fs value determines whether argument validity checking should be + * performed or not. If get_fs() == USER_DS, checking is performed, with + * get_fs() == KERNEL_DS, checking is bypassed. + * + * For historical reasons (Data Segment Register?), these macros are misnamed. + */ + +#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) + +#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) +#define USER_DS MAKE_MM_SEG(0x80000000) + +#define get_ds() (KERNEL_DS) +#define get_fs() (current_thread_info()->addr_limit) +#define set_fs(x) (current_thread_info()->addr_limit=(x)) + +#define segment_eq(a,b) ((a).seg == (b).seg) + +#define __addr_ok(addr) ((unsigned long)(addr) < (current_thread_info()->addr_limit.seg)) + +/* + * Uhhuh, this needs 33-bit arithmetic. We have a carry.. + * + * sum := addr + size; carry? --> flag = true; + * if (sum >= addr_limit) flag = true; + */ +#define __range_ok(addr,size) (((unsigned long) (addr) + (size) < (current_thread_info()->addr_limit.seg)) ? 0 : 1) + +#define access_ok(type,addr,size) (__range_ok(addr,size) == 0) +#define __access_ok(addr,size) (__range_ok(addr,size) == 0) + +/* this function will go away soon - use access_ok() instead */ +extern inline int __deprecated verify_area(int type, const void __user * addr, unsigned long size) +{ + return access_ok(type,addr,size) ? 0 : -EFAULT; +} + +/* + * Uh, these should become the main single-value transfer routines ... + * They automatically use the right size if we just have the right + * pointer type ... + * + * As MIPS uses the same address space for kernel and user data, we + * can just do these as direct assignments. + * + * Careful to not + * (a) re-use the arguments for side effects (sizeof is ok) + * (b) require any knowledge of processes at this stage + */ +#define put_user(x,ptr) __put_user_check((x),(ptr),sizeof(*(ptr))) +#define get_user(x,ptr) __get_user_check((x),(ptr),sizeof(*(ptr))) + +/* + * The "__xxx" versions do not do address space checking, useful when + * doing multiple accesses to the same area (the user has to do the + * checks by hand with "access_ok()") + */ +#define __put_user(x,ptr) __put_user_nocheck((x),(ptr),sizeof(*(ptr))) +#define __get_user(x,ptr) __get_user_nocheck((x),(ptr),sizeof(*(ptr))) + +/* + * The "xxx_ret" versions return constant specified in third argument, if + * something bad happens. These macros can be optimized for the + * case of just returning from the function xxx_ret is used. + */ + +#define put_user_ret(x,ptr,ret) ({ \ +if (put_user(x,ptr)) return ret; }) + +#define get_user_ret(x,ptr,ret) ({ \ +if (get_user(x,ptr)) return ret; }) + +#define __put_user_ret(x,ptr,ret) ({ \ +if (__put_user(x,ptr)) return ret; }) + +#define __get_user_ret(x,ptr,ret) ({ \ +if (__get_user(x,ptr)) return ret; }) + +struct __large_struct { unsigned long buf[100]; }; +#define __m(x) (*(struct __large_struct *)(x)) + +#define __get_user_size(x,ptr,size,retval) \ +do { \ + retval = 0; \ + switch (size) { \ + case 1: \ + retval = __get_user_asm_b(x, ptr); \ + break; \ + case 2: \ + retval = __get_user_asm_w(x, ptr); \ + break; \ + case 4: \ + retval = __get_user_asm_l(x, ptr); \ + break; \ + case 8: \ + retval = __get_user_asm_q(x, ptr); \ + break; \ + default: \ + __get_user_unknown(); \ + break; \ + } \ +} while (0) + +#define __get_user_nocheck(x,ptr,size) \ +({ \ + long __gu_addr = (long)(ptr); \ + long __gu_err; \ + __typeof(*(ptr)) __gu_val; \ + __asm__ ("":"=r" (__gu_val)); \ + __asm__ ("":"=r" (__gu_err)); \ + __get_user_size((void *)&__gu_val, __gu_addr, (size), __gu_err); \ + (x) = (__typeof__(*(ptr))) __gu_val; \ + __gu_err; \ +}) + +#define __get_user_check(x,ptr,size) \ +({ \ + long __gu_addr = (long)(ptr); \ + long __gu_err = -EFAULT; \ + __typeof(*(ptr)) __gu_val; \ + __asm__ ("":"=r" (__gu_val)); \ + __asm__ ("":"=r" (__gu_err)); \ + if (__access_ok(__gu_addr, (size))) \ + __get_user_size((void *)&__gu_val, __gu_addr, (size), __gu_err); \ + (x) = (__typeof__(*(ptr))) __gu_val; \ + __gu_err; \ +}) + +extern long __get_user_asm_b(void *, long); +extern long __get_user_asm_w(void *, long); +extern long __get_user_asm_l(void *, long); +extern long __get_user_asm_q(void *, long); +extern void __get_user_unknown(void); + +#define __put_user_size(x,ptr,size,retval) \ +do { \ + retval = 0; \ + switch (size) { \ + case 1: \ + retval = __put_user_asm_b(x, ptr); \ + break; \ + case 2: \ + retval = __put_user_asm_w(x, ptr); \ + break; \ + case 4: \ + retval = __put_user_asm_l(x, ptr); \ + break; \ + case 8: \ + retval = __put_user_asm_q(x, ptr); \ + break; \ + default: \ + __put_user_unknown(); \ + } \ +} while (0) + +#define __put_user_nocheck(x,ptr,size) \ +({ \ + long __pu_err; \ + __typeof__(*(ptr)) __pu_val = (x); \ + __put_user_size((void *)&__pu_val, (long)(ptr), (size), __pu_err); \ + __pu_err; \ +}) + +#define __put_user_check(x,ptr,size) \ +({ \ + long __pu_err = -EFAULT; \ + long __pu_addr = (long)(ptr); \ + __typeof__(*(ptr)) __pu_val = (x); \ + \ + if (__access_ok(__pu_addr, (size))) \ + __put_user_size((void *)&__pu_val, __pu_addr, (size), __pu_err);\ + __pu_err; \ +}) + +extern long __put_user_asm_b(void *, long); +extern long __put_user_asm_w(void *, long); +extern long __put_user_asm_l(void *, long); +extern long __put_user_asm_q(void *, long); +extern void __put_user_unknown(void); + + +/* Generic arbitrary sized copy. */ +/* Return the number of bytes NOT copied */ +/* XXX: should be such that: 4byte and the rest. */ +extern __kernel_size_t __copy_user(void *__to, const void *__from, __kernel_size_t __n); + +#define copy_to_user(to,from,n) ({ \ +void *__copy_to = (void *) (to); \ +__kernel_size_t __copy_size = (__kernel_size_t) (n); \ +__kernel_size_t __copy_res; \ +if(__copy_size && __access_ok((unsigned long)__copy_to, __copy_size)) { \ +__copy_res = __copy_user(__copy_to, (void *) (from), __copy_size); \ +} else __copy_res = __copy_size; \ +__copy_res; }) + +#define copy_to_user_ret(to,from,n,retval) ({ \ +if (copy_to_user(to,from,n)) \ + return retval; \ +}) + +#define __copy_to_user(to,from,n) \ + __copy_user((void *)(to), \ + (void *)(from), n) + +#define __copy_to_user_ret(to,from,n,retval) ({ \ +if (__copy_to_user(to,from,n)) \ + return retval; \ +}) + +#define copy_from_user(to,from,n) ({ \ +void *__copy_to = (void *) (to); \ +void *__copy_from = (void *) (from); \ +__kernel_size_t __copy_size = (__kernel_size_t) (n); \ +__kernel_size_t __copy_res; \ +if(__copy_size && __access_ok((unsigned long)__copy_from, __copy_size)) { \ +__copy_res = __copy_user(__copy_to, __copy_from, __copy_size); \ +} else __copy_res = __copy_size; \ +__copy_res; }) + +#define copy_from_user_ret(to,from,n,retval) ({ \ +if (copy_from_user(to,from,n)) \ + return retval; \ +}) + +#define __copy_from_user(to,from,n) \ + __copy_user((void *)(to), \ + (void *)(from), n) + +#define __copy_from_user_ret(to,from,n,retval) ({ \ +if (__copy_from_user(to,from,n)) \ + return retval; \ +}) + +#define __copy_to_user_inatomic __copy_to_user +#define __copy_from_user_inatomic __copy_from_user + +/* XXX: Not sure it works well.. + should be such that: 4byte clear and the rest. */ +extern __kernel_size_t __clear_user(void *addr, __kernel_size_t size); + +#define clear_user(addr,n) ({ \ +void * __cl_addr = (addr); \ +unsigned long __cl_size = (n); \ +if (__cl_size && __access_ok(((unsigned long)(__cl_addr)), __cl_size)) \ +__cl_size = __clear_user(__cl_addr, __cl_size); \ +__cl_size; }) + +extern int __strncpy_from_user(unsigned long __dest, unsigned long __src, int __count); + +#define strncpy_from_user(dest,src,count) ({ \ +unsigned long __sfu_src = (unsigned long) (src); \ +int __sfu_count = (int) (count); \ +long __sfu_res = -EFAULT; \ +if(__access_ok(__sfu_src, __sfu_count)) { \ +__sfu_res = __strncpy_from_user((unsigned long) (dest), __sfu_src, __sfu_count); \ +} __sfu_res; }) + +#define strlen_user(str) strnlen_user(str, ~0UL >> 1) + +/* + * Return the size of a string (including the ending 0!) + */ +extern long __strnlen_user(const char *__s, long __n); + +extern __inline__ long strnlen_user(const char *s, long n) +{ + if (!__addr_ok(s)) + return 0; + else + return __strnlen_user(s, n); +} + +struct exception_table_entry +{ + unsigned long insn, fixup; +}; + +#define ARCH_HAS_SEARCH_EXTABLE + +/* If gcc inlines memset, it will use st.q instructions. Therefore, we need + kmalloc allocations to be 8-byte aligned. Without this, the alignment + becomes BYTE_PER_WORD i.e. only 4 (since sizeof(long)==sizeof(void*)==4 on + sh64 at the moment). */ +#define ARCH_KMALLOC_MINALIGN 8 + +/* + * We want 8-byte alignment for the slab caches as well, otherwise we have + * the same BYTES_PER_WORD (sizeof(void *)) min align in kmem_cache_create(). + */ +#define ARCH_SLAB_MINALIGN 8 + +/* Returns 0 if exception not found and fixup.unit otherwise. */ +extern unsigned long search_exception_table(unsigned long addr); +extern const struct exception_table_entry *search_exception_tables (unsigned long addr); + +#endif /* __ASM_SH64_UACCESS_H */ diff --git a/include/asm-sh64/ucontext.h b/include/asm-sh64/ucontext.h new file mode 100644 index 000000000000..cf77a08551ca --- /dev/null +++ b/include/asm-sh64/ucontext.h @@ -0,0 +1,23 @@ +#ifndef __ASM_SH64_UCONTEXT_H +#define __ASM_SH64_UCONTEXT_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/ucontext.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +struct ucontext { + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + struct sigcontext uc_mcontext; + sigset_t uc_sigmask; /* mask last for extensibility */ +}; + +#endif /* __ASM_SH64_UCONTEXT_H */ diff --git a/include/asm-sh64/unaligned.h b/include/asm-sh64/unaligned.h new file mode 100644 index 000000000000..74481b186ae8 --- /dev/null +++ b/include/asm-sh64/unaligned.h @@ -0,0 +1,17 @@ +#ifndef __ASM_SH64_UNALIGNED_H +#define __ASM_SH64_UNALIGNED_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/unaligned.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <asm-generic/unaligned.h> + +#endif /* __ASM_SH64_UNALIGNED_H */ diff --git a/include/asm-sh64/unistd.h b/include/asm-sh64/unistd.h new file mode 100644 index 000000000000..95f0b130405c --- /dev/null +++ b/include/asm-sh64/unistd.h @@ -0,0 +1,560 @@ +#ifndef __ASM_SH64_UNISTD_H +#define __ASM_SH64_UNISTD_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/unistd.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Sean McGoogan + * + * This file contains the system call numbers. + * + */ + +#define __NR_setup 0 /* used only by init, to get system going */ +#define __NR_exit 1 +#define __NR_fork 2 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_open 5 +#define __NR_close 6 +#define __NR_waitpid 7 +#define __NR_creat 8 +#define __NR_link 9 +#define __NR_unlink 10 +#define __NR_execve 11 +#define __NR_chdir 12 +#define __NR_time 13 +#define __NR_mknod 14 +#define __NR_chmod 15 +#define __NR_lchown 16 +#define __NR_break 17 +#define __NR_oldstat 18 +#define __NR_lseek 19 +#define __NR_getpid 20 +#define __NR_mount 21 +#define __NR_umount 22 +#define __NR_setuid 23 +#define __NR_getuid 24 +#define __NR_stime 25 +#define __NR_ptrace 26 +#define __NR_alarm 27 +#define __NR_oldfstat 28 +#define __NR_pause 29 +#define __NR_utime 30 +#define __NR_stty 31 +#define __NR_gtty 32 +#define __NR_access 33 +#define __NR_nice 34 +#define __NR_ftime 35 +#define __NR_sync 36 +#define __NR_kill 37 +#define __NR_rename 38 +#define __NR_mkdir 39 +#define __NR_rmdir 40 +#define __NR_dup 41 +#define __NR_pipe 42 +#define __NR_times 43 +#define __NR_prof 44 +#define __NR_brk 45 +#define __NR_setgid 46 +#define __NR_getgid 47 +#define __NR_signal 48 +#define __NR_geteuid 49 +#define __NR_getegid 50 +#define __NR_acct 51 +#define __NR_umount2 52 +#define __NR_lock 53 +#define __NR_ioctl 54 +#define __NR_fcntl 55 +#define __NR_mpx 56 +#define __NR_setpgid 57 +#define __NR_ulimit 58 +#define __NR_oldolduname 59 +#define __NR_umask 60 +#define __NR_chroot 61 +#define __NR_ustat 62 +#define __NR_dup2 63 +#define __NR_getppid 64 +#define __NR_getpgrp 65 +#define __NR_setsid 66 +#define __NR_sigaction 67 +#define __NR_sgetmask 68 +#define __NR_ssetmask 69 +#define __NR_setreuid 70 +#define __NR_setregid 71 +#define __NR_sigsuspend 72 +#define __NR_sigpending 73 +#define __NR_sethostname 74 +#define __NR_setrlimit 75 +#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ +#define __NR_getrusage 77 +#define __NR_gettimeofday 78 +#define __NR_settimeofday 79 +#define __NR_getgroups 80 +#define __NR_setgroups 81 +#define __NR_select 82 +#define __NR_symlink 83 +#define __NR_oldlstat 84 +#define __NR_readlink 85 +#define __NR_uselib 86 +#define __NR_swapon 87 +#define __NR_reboot 88 +#define __NR_readdir 89 +#define __NR_mmap 90 +#define __NR_munmap 91 +#define __NR_truncate 92 +#define __NR_ftruncate 93 +#define __NR_fchmod 94 +#define __NR_fchown 95 +#define __NR_getpriority 96 +#define __NR_setpriority 97 +#define __NR_profil 98 +#define __NR_statfs 99 +#define __NR_fstatfs 100 +#define __NR_ioperm 101 +#define __NR_socketcall 102 /* old implementation of socket systemcall */ +#define __NR_syslog 103 +#define __NR_setitimer 104 +#define __NR_getitimer 105 +#define __NR_stat 106 +#define __NR_lstat 107 +#define __NR_fstat 108 +#define __NR_olduname 109 +#define __NR_iopl 110 +#define __NR_vhangup 111 +#define __NR_idle 112 +#define __NR_vm86old 113 +#define __NR_wait4 114 +#define __NR_swapoff 115 +#define __NR_sysinfo 116 +#define __NR_ipc 117 +#define __NR_fsync 118 +#define __NR_sigreturn 119 +#define __NR_clone 120 +#define __NR_setdomainname 121 +#define __NR_uname 122 +#define __NR_modify_ldt 123 +#define __NR_adjtimex 124 +#define __NR_mprotect 125 +#define __NR_sigprocmask 126 +#define __NR_create_module 127 +#define __NR_init_module 128 +#define __NR_delete_module 129 +#define __NR_get_kernel_syms 130 +#define __NR_quotactl 131 +#define __NR_getpgid 132 +#define __NR_fchdir 133 +#define __NR_bdflush 134 +#define __NR_sysfs 135 +#define __NR_personality 136 +#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#define __NR__llseek 140 +#define __NR_getdents 141 +#define __NR__newselect 142 +#define __NR_flock 143 +#define __NR_msync 144 +#define __NR_readv 145 +#define __NR_writev 146 +#define __NR_getsid 147 +#define __NR_fdatasync 148 +#define __NR__sysctl 149 +#define __NR_mlock 150 +#define __NR_munlock 151 +#define __NR_mlockall 152 +#define __NR_munlockall 153 +#define __NR_sched_setparam 154 +#define __NR_sched_getparam 155 +#define __NR_sched_setscheduler 156 +#define __NR_sched_getscheduler 157 +#define __NR_sched_yield 158 +#define __NR_sched_get_priority_max 159 +#define __NR_sched_get_priority_min 160 +#define __NR_sched_rr_get_interval 161 +#define __NR_nanosleep 162 +#define __NR_mremap 163 +#define __NR_setresuid 164 +#define __NR_getresuid 165 +#define __NR_vm86 166 +#define __NR_query_module 167 +#define __NR_poll 168 +#define __NR_nfsservctl 169 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#define __NR_prctl 172 +#define __NR_rt_sigreturn 173 +#define __NR_rt_sigaction 174 +#define __NR_rt_sigprocmask 175 +#define __NR_rt_sigpending 176 +#define __NR_rt_sigtimedwait 177 +#define __NR_rt_sigqueueinfo 178 +#define __NR_rt_sigsuspend 179 +#define __NR_pread 180 +#define __NR_pwrite 181 +#define __NR_chown 182 +#define __NR_getcwd 183 +#define __NR_capget 184 +#define __NR_capset 185 +#define __NR_sigaltstack 186 +#define __NR_sendfile 187 +#define __NR_streams1 188 /* some people actually want it */ +#define __NR_streams2 189 /* some people actually want it */ +#define __NR_vfork 190 +#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ +#define __NR_mmap2 192 +#define __NR_truncate64 193 +#define __NR_ftruncate64 194 +#define __NR_stat64 195 +#define __NR_lstat64 196 +#define __NR_fstat64 197 +#define __NR_lchown32 198 +#define __NR_getuid32 199 +#define __NR_getgid32 200 +#define __NR_geteuid32 201 +#define __NR_getegid32 202 +#define __NR_setreuid32 203 +#define __NR_setregid32 204 +#define __NR_getgroups32 205 +#define __NR_setgroups32 206 +#define __NR_fchown32 207 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#define __NR_chown32 212 +#define __NR_setuid32 213 +#define __NR_setgid32 214 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#define __NR_pivot_root 217 +#define __NR_mincore 218 +#define __NR_madvise 219 + +/* Non-multiplexed socket family */ +#define __NR_socket 220 +#define __NR_bind 221 +#define __NR_connect 222 +#define __NR_listen 223 +#define __NR_accept 224 +#define __NR_getsockname 225 +#define __NR_getpeername 226 +#define __NR_socketpair 227 +#define __NR_send 228 +#define __NR_sendto 229 +#define __NR_recv 230 +#define __NR_recvfrom 231 +#define __NR_shutdown 232 +#define __NR_setsockopt 233 +#define __NR_getsockopt 234 +#define __NR_sendmsg 235 +#define __NR_recvmsg 236 + +/* Non-multiplexed IPC family */ +#define __NR_semop 237 +#define __NR_semget 238 +#define __NR_semctl 239 +#define __NR_msgsnd 240 +#define __NR_msgrcv 241 +#define __NR_msgget 242 +#define __NR_msgctl 243 +#if 0 +#define __NR_shmatcall 244 +#endif +#define __NR_shmdt 245 +#define __NR_shmget 246 +#define __NR_shmctl 247 + +#define __NR_getdents64 248 +#define __NR_fcntl64 249 +/* 223 is unused */ +#define __NR_gettid 252 +#define __NR_readahead 253 +#define __NR_setxattr 254 +#define __NR_lsetxattr 255 +#define __NR_fsetxattr 256 +#define __NR_getxattr 257 +#define __NR_lgetxattr 258 +#define __NR_fgetxattr 269 +#define __NR_listxattr 260 +#define __NR_llistxattr 261 +#define __NR_flistxattr 262 +#define __NR_removexattr 263 +#define __NR_lremovexattr 264 +#define __NR_fremovexattr 265 +#define __NR_tkill 266 +#define __NR_sendfile64 267 +#define __NR_futex 268 +#define __NR_sched_setaffinity 269 +#define __NR_sched_getaffinity 270 +#define __NR_set_thread_area 271 +#define __NR_get_thread_area 272 +#define __NR_io_setup 273 +#define __NR_io_destroy 274 +#define __NR_io_getevents 275 +#define __NR_io_submit 276 +#define __NR_io_cancel 277 +#define __NR_fadvise64 278 +#define __NR_exit_group 280 + +#define __NR_lookup_dcookie 281 +#define __NR_epoll_create 282 +#define __NR_epoll_ctl 283 +#define __NR_epoll_wait 284 +#define __NR_remap_file_pages 285 +#define __NR_set_tid_address 286 +#define __NR_timer_create 287 +#define __NR_timer_settime (__NR_timer_create+1) +#define __NR_timer_gettime (__NR_timer_create+2) +#define __NR_timer_getoverrun (__NR_timer_create+3) +#define __NR_timer_delete (__NR_timer_create+4) +#define __NR_clock_settime (__NR_timer_create+5) +#define __NR_clock_gettime (__NR_timer_create+6) +#define __NR_clock_getres (__NR_timer_create+7) +#define __NR_clock_nanosleep (__NR_timer_create+8) +#define __NR_statfs64 296 +#define __NR_fstatfs64 297 +#define __NR_tgkill 298 +#define __NR_utimes 299 +#define __NR_fadvise64_64 300 +#define __NR_vserver 301 +#define __NR_mbind 302 +#define __NR_get_mempolicy 303 +#define __NR_set_mempolicy 304 +#define __NR_mq_open 305 +#define __NR_mq_unlink (__NR_mq_open+1) +#define __NR_mq_timedsend (__NR_mq_open+2) +#define __NR_mq_timedreceive (__NR_mq_open+3) +#define __NR_mq_notify (__NR_mq_open+4) +#define __NR_mq_getsetattr (__NR_mq_open+5) +#define __NR_sys_kexec_load 311 +#define __NR_waitid 312 +#define __NR_add_key 313 +#define __NR_request_key 314 +#define __NR_keyctl 315 + +#define NR_syscalls 316 + +/* user-visible error numbers are in the range -1 - -125: see <asm-sh64/errno.h> */ + +#define __syscall_return(type, res) \ +do { \ + /* Note: when returning from kernel the return value is in r9 \ + ** This prevents conflicts between return value and arg1 \ + ** when dispatching signal handler, in other words makes \ + ** life easier in the system call epilogue (see entry.S) \ + */ \ + register unsigned long __sr2 __asm__ ("r2") = res; \ + if ((unsigned long)(res) >= (unsigned long)(-125)) { \ + errno = -(res); \ + __sr2 = -1; \ + } \ + return (type) (__sr2); \ +} while (0) + +/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ + +#define _syscall0(type,name) \ +type name(void) \ +{ \ +register unsigned long __sc0 __asm__ ("r9") = ((0x10 << 16) | __NR_##name); \ +__asm__ __volatile__ ("trapa %1 !\t\t\t" #name "()" \ + : "=r" (__sc0) \ + : "r" (__sc0) ); \ +__syscall_return(type,__sc0); \ +} + + /* + * The apparent spurious "dummy" assembler comment is *needed*, + * as without it, the compiler treats the arg<n> variables + * as no longer live just before the asm. The compiler can + * then optimize the storage into any registers it wishes. + * The additional dummy statement forces the compiler to put + * the arguments into the correct registers before the TRAPA. + */ +#define _syscall1(type,name,type1,arg1) \ +type name(type1 arg1) \ +{ \ +register unsigned long __sc0 __asm__ ("r9") = ((0x11 << 16) | __NR_##name); \ +register unsigned long __sc2 __asm__ ("r2") = (unsigned long) arg1; \ +__asm__ __volatile__ ("trapa %1 !\t\t\t" #name "(%2)" \ + : "=r" (__sc0) \ + : "r" (__sc0), "r" (__sc2)); \ +__asm__ __volatile__ ("!dummy %0 %1" \ + : \ + : "r" (__sc0), "r" (__sc2)); \ +__syscall_return(type,__sc0); \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type name(type1 arg1,type2 arg2) \ +{ \ +register unsigned long __sc0 __asm__ ("r9") = ((0x12 << 16) | __NR_##name); \ +register unsigned long __sc2 __asm__ ("r2") = (unsigned long) arg1; \ +register unsigned long __sc3 __asm__ ("r3") = (unsigned long) arg2; \ +__asm__ __volatile__ ("trapa %1 !\t\t\t" #name "(%2,%3)" \ + : "=r" (__sc0) \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3) ); \ +__asm__ __volatile__ ("!dummy %0 %1 %2" \ + : \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3) ); \ +__syscall_return(type,__sc0); \ +} + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type name(type1 arg1,type2 arg2,type3 arg3) \ +{ \ +register unsigned long __sc0 __asm__ ("r9") = ((0x13 << 16) | __NR_##name); \ +register unsigned long __sc2 __asm__ ("r2") = (unsigned long) arg1; \ +register unsigned long __sc3 __asm__ ("r3") = (unsigned long) arg2; \ +register unsigned long __sc4 __asm__ ("r4") = (unsigned long) arg3; \ +__asm__ __volatile__ ("trapa %1 !\t\t\t" #name "(%2,%3,%4)" \ + : "=r" (__sc0) \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) ); \ +__asm__ __volatile__ ("!dummy %0 %1 %2 %3" \ + : \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) ); \ +__syscall_return(type,__sc0); \ +} + +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ +register unsigned long __sc0 __asm__ ("r9") = ((0x14 << 16) | __NR_##name); \ +register unsigned long __sc2 __asm__ ("r2") = (unsigned long) arg1; \ +register unsigned long __sc3 __asm__ ("r3") = (unsigned long) arg2; \ +register unsigned long __sc4 __asm__ ("r4") = (unsigned long) arg3; \ +register unsigned long __sc5 __asm__ ("r5") = (unsigned long) arg4; \ +__asm__ __volatile__ ("trapa %1 !\t\t\t" #name "(%2,%3,%4,%5)" \ + : "=r" (__sc0) \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5) );\ +__asm__ __volatile__ ("!dummy %0 %1 %2 %3 %4" \ + : \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5) );\ +__syscall_return(type,__sc0); \ +} + +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ +type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ +{ \ +register unsigned long __sc0 __asm__ ("r9") = ((0x15 << 16) | __NR_##name); \ +register unsigned long __sc2 __asm__ ("r2") = (unsigned long) arg1; \ +register unsigned long __sc3 __asm__ ("r3") = (unsigned long) arg2; \ +register unsigned long __sc4 __asm__ ("r4") = (unsigned long) arg3; \ +register unsigned long __sc5 __asm__ ("r5") = (unsigned long) arg4; \ +register unsigned long __sc6 __asm__ ("r6") = (unsigned long) arg5; \ +__asm__ __volatile__ ("trapa %1 !\t\t\t" #name "(%2,%3,%4,%5,%6)" \ + : "=r" (__sc0) \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5), \ + "r" (__sc6)); \ +__asm__ __volatile__ ("!dummy %0 %1 %2 %3 %4 %5" \ + : \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5), \ + "r" (__sc6)); \ +__syscall_return(type,__sc0); \ +} + +#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5, type6, arg6) \ +type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \ +{ \ +register unsigned long __sc0 __asm__ ("r9") = ((0x16 << 16) | __NR_##name); \ +register unsigned long __sc2 __asm__ ("r2") = (unsigned long) arg1; \ +register unsigned long __sc3 __asm__ ("r3") = (unsigned long) arg2; \ +register unsigned long __sc4 __asm__ ("r4") = (unsigned long) arg3; \ +register unsigned long __sc5 __asm__ ("r5") = (unsigned long) arg4; \ +register unsigned long __sc6 __asm__ ("r6") = (unsigned long) arg5; \ +register unsigned long __sc7 __asm__ ("r7") = (unsigned long) arg6; \ +__asm__ __volatile__ ("trapa %1 !\t\t\t" #name "(%2,%3,%4,%5,%6,%7)" \ + : "=r" (__sc0) \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5), \ + "r" (__sc6), "r" (__sc7)); \ +__asm__ __volatile__ ("!dummy %0 %1 %2 %3 %4 %5 %6" \ + : \ + : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4), "r" (__sc5), \ + "r" (__sc6), "r" (__sc7)); \ +__syscall_return(type,__sc0); \ +} + +#ifdef __KERNEL__ +#define __ARCH_WANT_IPC_PARSE_VERSION +#define __ARCH_WANT_OLD_READDIR +#define __ARCH_WANT_OLD_STAT +#define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SYS_ALARM +#define __ARCH_WANT_SYS_GETHOSTNAME +#define __ARCH_WANT_SYS_PAUSE +#define __ARCH_WANT_SYS_SGETMASK +#define __ARCH_WANT_SYS_SIGNAL +#define __ARCH_WANT_SYS_TIME +#define __ARCH_WANT_SYS_UTIME +#define __ARCH_WANT_SYS_WAITPID +#define __ARCH_WANT_SYS_SOCKETCALL +#define __ARCH_WANT_SYS_FADVISE64 +#define __ARCH_WANT_SYS_GETPGRP +#define __ARCH_WANT_SYS_LLSEEK +#define __ARCH_WANT_SYS_NICE +#define __ARCH_WANT_SYS_OLD_GETRLIMIT +#define __ARCH_WANT_SYS_OLDUMOUNT +#define __ARCH_WANT_SYS_SIGPENDING +#define __ARCH_WANT_SYS_SIGPROCMASK +#define __ARCH_WANT_SYS_RT_SIGACTION +#endif + +#ifdef __KERNEL_SYSCALLS__ + +/* Copy from sh */ +#include <linux/compiler.h> +#include <linux/types.h> +#include <asm/ptrace.h> + +/* + * we need this inline - forking from kernel space will result + * in NO COPY ON WRITE (!!!), until an execve is executed. This + * is no problem, but for the stack. This is handled by not letting + * main() use the stack at all after fork(). Thus, no function + * calls - which means inline code for fork too, as otherwise we + * would use the stack upon exit from 'fork()'. + * + * Actually only pause and fork are needed inline, so that there + * won't be any messing with the stack from main(), but we define + * some others too. + */ +#define __NR__exit __NR_exit +static inline _syscall0(int,pause) +static inline _syscall1(int,setup,int,magic) +static inline _syscall0(int,sync) +static inline _syscall0(pid_t,setsid) +static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count) +static inline _syscall3(int,read,int,fd,char *,buf,off_t,count) +static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count) +static inline _syscall1(int,dup,int,fd) +static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp) +static inline _syscall3(int,open,const char *,file,int,flag,int,mode) +static inline _syscall1(int,close,int,fd) +static inline _syscall1(int,_exit,int,exitcode) +static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options) +static inline _syscall1(int,delete_module,const char *,name) + +static inline pid_t wait(int * wait_stat) +{ + return waitpid(-1,wait_stat,0); +} +#endif + +/* + * "Conditional" syscalls + * + * What we want is __attribute__((weak,alias("sys_ni_syscall"))), + * but it doesn't work on all toolchains, so we just do it by hand + */ +#ifndef cond_syscall +#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") +#endif + +#endif /* __ASM_SH64_UNISTD_H */ diff --git a/include/asm-sh64/user.h b/include/asm-sh64/user.h new file mode 100644 index 000000000000..8f32f39a8ca9 --- /dev/null +++ b/include/asm-sh64/user.h @@ -0,0 +1,71 @@ +#ifndef __ASM_SH64_USER_H +#define __ASM_SH64_USER_H + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * include/asm-sh64/user.h + * + * Copyright (C) 2000, 2001 Paolo Alberelli + * + */ + +#include <linux/types.h> +#include <asm/processor.h> +#include <asm/ptrace.h> +#include <asm/page.h> + +/* + * Core file format: The core file is written in such a way that gdb + * can understand it and provide useful information to the user (under + * linux we use the `trad-core' bfd). The file contents are as follows: + * + * upage: 1 page consisting of a user struct that tells gdb + * what is present in the file. Directly after this is a + * copy of the task_struct, which is currently not used by gdb, + * but it may come in handy at some point. All of the registers + * are stored as part of the upage. The upage should always be + * only one page long. + * data: The data segment follows next. We use current->end_text to + * current->brk to pick up all of the user variables, plus any memory + * that may have been sbrk'ed. No attempt is made to determine if a + * page is demand-zero or if a page is totally unused, we just cover + * the entire range. All of the addresses are rounded in such a way + * that an integral number of pages is written. + * stack: We need the stack information in order to get a meaningful + * backtrace. We need to write the data from usp to + * current->start_stack, so we round each of these in order to be able + * to write an integer number of pages. + */ + +struct user_fpu_struct { + unsigned long long fp_regs[32]; + unsigned int fpscr; +}; + +struct user { + struct pt_regs regs; /* entire machine state */ + struct user_fpu_struct fpu; /* Math Co-processor registers */ + int u_fpvalid; /* True if math co-processor being used */ + size_t u_tsize; /* text size (pages) */ + size_t u_dsize; /* data size (pages) */ + size_t u_ssize; /* stack size (pages) */ + unsigned long start_code; /* text starting address */ + unsigned long start_data; /* data starting address */ + unsigned long start_stack; /* stack starting address */ + long int signal; /* signal causing core dump */ + struct regs * u_ar0; /* help gdb find registers */ + struct user_fpu_struct* u_fpstate; /* Math Co-processor pointer */ + unsigned long magic; /* identifies a core file */ + char u_comm[32]; /* user command name */ +}; + +#define NBPG PAGE_SIZE +#define UPAGES 1 +#define HOST_TEXT_START_ADDR (u.start_code) +#define HOST_DATA_START_ADDR (u.start_data) +#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) + +#endif /* __ASM_SH64_USER_H */ |