diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/cmpxchg_32.h | 25 | ||||
| -rw-r--r-- | arch/sparc/kernel/sparc_ksyms_32.c | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/time_32.c | 3 | ||||
| -rw-r--r-- | arch/sparc/lib/Makefile | 2 | ||||
| -rw-r--r-- | arch/sparc/lib/atomic_32.S | 24 | ||||
| -rw-r--r-- | arch/sparc/mm/srmmu.c | 5 |
6 files changed, 2 insertions, 61 deletions
diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h index c786b0a92b51..78ac549f7355 100644 --- a/arch/sparc/include/asm/cmpxchg_32.h +++ b/arch/sparc/include/asm/cmpxchg_32.h @@ -13,38 +13,13 @@ #include <asm/btfixup.h> -/* This has special calling conventions */ -#ifndef CONFIG_SMP -BTFIXUPDEF_CALL(void, ___xchg32, void) -#endif - static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val) { -#ifdef CONFIG_SMP __asm__ __volatile__("swap [%2], %0" : "=&r" (val) : "0" (val), "r" (m) : "memory"); return val; -#else - register unsigned long *ptr asm("g1"); - register unsigned long ret asm("g2"); - - ptr = (unsigned long *) m; - ret = val; - - /* Note: this is magic and the nop there is - really needed. */ - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___f____xchg32\n\t" - " nop\n\t" - : "=&r" (ret) - : "0" (ret), "r" (ptr) - : "g3", "g4", "g7", "memory", "cc"); - - return ret; -#endif } extern void __xchg_called_with_bad_pointer(void); diff --git a/arch/sparc/kernel/sparc_ksyms_32.c b/arch/sparc/kernel/sparc_ksyms_32.c index fd38a920992d..9763895b22b2 100644 --- a/arch/sparc/kernel/sparc_ksyms_32.c +++ b/arch/sparc/kernel/sparc_ksyms_32.c @@ -29,9 +29,7 @@ EXPORT_SYMBOL(__ret_efault); EXPORT_SYMBOL(empty_zero_page); /* Defined using magic */ -#ifndef CONFIG_SMP -EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32)); -#else +#ifdef CONFIG_SMP EXPORT_SYMBOL(BTFIXUP_CALL(__hard_smp_processor_id)); #endif EXPORT_SYMBOL(BTFIXUP_CALL(mmu_unlockarea)); diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 157dcc58a216..1e25a7ab1ea5 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -68,7 +68,6 @@ static int set_rtc_mmss(unsigned long); unsigned long profile_pc(struct pt_regs *regs) { extern char __copy_user_begin[], __copy_user_end[]; - extern char __atomic_begin[], __atomic_end[]; extern char __bzero_begin[], __bzero_end[]; unsigned long pc = regs->pc; @@ -76,8 +75,6 @@ unsigned long profile_pc(struct pt_regs *regs) if (in_lock_functions(pc) || (pc >= (unsigned long) __copy_user_begin && pc < (unsigned long) __copy_user_end) || - (pc >= (unsigned long) __atomic_begin && - pc < (unsigned long) __atomic_end) || (pc >= (unsigned long) __bzero_begin && pc < (unsigned long) __bzero_end)) pc = regs->u_regs[UREG_RETPC]; diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index a3fc4375a150..33d8d85ad594 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -13,7 +13,7 @@ lib-y += memscan_$(BITS).o memcmp.o strncmp_$(BITS).o lib-y += strncpy_from_user_$(BITS).o strlen_user_$(BITS).o lib-$(CONFIG_SPARC32) += divdi3.o udivdi3.o lib-$(CONFIG_SPARC32) += copy_user.o locks.o -lib-y += atomic_$(BITS).o +lib-$(CONFIG_SPARC64) += atomic_64.o lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o diff --git a/arch/sparc/lib/atomic_32.S b/arch/sparc/lib/atomic_32.S deleted file mode 100644 index e2a9085bd5be..000000000000 --- a/arch/sparc/lib/atomic_32.S +++ /dev/null @@ -1,24 +0,0 @@ -/* atomic.S: Move this stuff here for better ICACHE hit rates. - * - * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu) - */ - -#include <asm/ptrace.h> -#include <asm/psr.h> - - .text - .align 4 - - .globl __atomic_begin -__atomic_begin: - -#ifndef CONFIG_SMP - .globl ___xchg32_sun4md -___xchg32_sun4md: - swap [%g1], %g2 - jmpl %o7 + 8, %g0 - mov %g4, %o7 -#endif - - .globl __atomic_end -__atomic_end: diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 0a47b820cfa1..6efcb6b1ea18 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -1980,13 +1980,8 @@ void __init load_mmu(void) { extern void ld_mmu_iommu(void); extern void ld_mmu_iounit(void); - extern void ___xchg32_sun4md(void); /* Functions */ -#ifndef CONFIG_SMP - BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4md, BTFIXUPCALL_SWAPG1G2); -#endif - BTFIXUPSET_CALL(update_mmu_cache, srmmu_update_mmu_cache, BTFIXUPCALL_NOP); get_srmmu_type(); |