diff options
Diffstat (limited to 'arch/metag/include/uapi')
| -rw-r--r-- | arch/metag/include/uapi/asm/Kbuild | 13 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/byteorder.h | 1 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/ptrace.h | 113 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/resource.h | 7 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/sigcontext.h | 31 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/siginfo.h | 8 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/swab.h | 26 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/unistd.h | 21 |
8 files changed, 220 insertions, 0 deletions
diff --git a/arch/metag/include/uapi/asm/Kbuild b/arch/metag/include/uapi/asm/Kbuild new file mode 100644 index 000000000000..876c71f866de --- /dev/null +++ b/arch/metag/include/uapi/asm/Kbuild @@ -0,0 +1,13 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +header-y += byteorder.h +header-y += ptrace.h +header-y += resource.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += swab.h +header-y += unistd.h + +generic-y += mman.h +generic-y += setup.h diff --git a/arch/metag/include/uapi/asm/byteorder.h b/arch/metag/include/uapi/asm/byteorder.h new file mode 100644 index 000000000000..9558416d578b --- /dev/null +++ b/arch/metag/include/uapi/asm/byteorder.h @@ -0,0 +1 @@ +#include <linux/byteorder/little_endian.h> diff --git a/arch/metag/include/uapi/asm/ptrace.h b/arch/metag/include/uapi/asm/ptrace.h new file mode 100644 index 000000000000..45d97809d33e --- /dev/null +++ b/arch/metag/include/uapi/asm/ptrace.h @@ -0,0 +1,113 @@ +#ifndef _UAPI_METAG_PTRACE_H +#define _UAPI_METAG_PTRACE_H + +#ifndef __ASSEMBLY__ + +/* + * These are the layouts of the regsets returned by the GETREGSET ptrace call + */ + +/* user_gp_regs::status */ + +/* CBMarker bit (indicates catch state / catch replay) */ +#define USER_GP_REGS_STATUS_CATCH_BIT (1 << 22) +#define USER_GP_REGS_STATUS_CATCH_S 22 +/* LSM_STEP field (load/store multiple step) */ +#define USER_GP_REGS_STATUS_LSM_STEP_BITS (0x7 << 8) +#define USER_GP_REGS_STATUS_LSM_STEP_S 8 +/* SCC bit (indicates split 16x16 condition flags) */ +#define USER_GP_REGS_STATUS_SCC_BIT (1 << 4) +#define USER_GP_REGS_STATUS_SCC_S 4 + +/* normal condition flags */ +/* CF_Z bit (Zero flag) */ +#define USER_GP_REGS_STATUS_CF_Z_BIT (1 << 3) +#define USER_GP_REGS_STATUS_CF_Z_S 3 +/* CF_N bit (Negative flag) */ +#define USER_GP_REGS_STATUS_CF_N_BIT (1 << 2) +#define USER_GP_REGS_STATUS_CF_N_S 2 +/* CF_V bit (oVerflow flag) */ +#define USER_GP_REGS_STATUS_CF_V_BIT (1 << 1) +#define USER_GP_REGS_STATUS_CF_V_S 1 +/* CF_C bit (Carry flag) */ +#define USER_GP_REGS_STATUS_CF_C_BIT (1 << 0) +#define USER_GP_REGS_STATUS_CF_C_S 0 + +/* split 16x16 condition flags */ +/* SCF_LZ bit (Low Zero flag) */ +#define USER_GP_REGS_STATUS_SCF_LZ_BIT (1 << 3) +#define USER_GP_REGS_STATUS_SCF_LZ_S 3 +/* SCF_HZ bit (High Zero flag) */ +#define USER_GP_REGS_STATUS_SCF_HZ_BIT (1 << 2) +#define USER_GP_REGS_STATUS_SCF_HZ_S 2 +/* SCF_HC bit (High Carry flag) */ +#define USER_GP_REGS_STATUS_SCF_HC_BIT (1 << 1) +#define USER_GP_REGS_STATUS_SCF_HC_S 1 +/* SCF_LC bit (Low Carry flag) */ +#define USER_GP_REGS_STATUS_SCF_LC_BIT (1 << 0) +#define USER_GP_REGS_STATUS_SCF_LC_S 0 + +/** + * struct user_gp_regs - User general purpose registers + * @dx: GP data unit regs (dx[reg][unit] = D{unit:0-1}.{reg:0-7}) + * @ax: GP address unit regs (ax[reg][unit] = A{unit:0-1}.{reg:0-3}) + * @pc: PC register + * @status: TXSTATUS register (condition flags, LSM_STEP etc) + * @rpt: TXRPT registers (branch repeat counter) + * @bpobits: TXBPOBITS register ("branch prediction other" bits) + * @mode: TXMODE register + * @_pad1: Reserved padding to make sizeof obviously 64bit aligned + * + * This is the user-visible general purpose register state structure. + * + * It can be accessed through PTRACE_GETREGSET with NT_PRSTATUS. + * + * It is also used in the signal context. + */ +struct user_gp_regs { + unsigned long dx[8][2]; + unsigned long ax[4][2]; + unsigned long pc; + unsigned long status; + unsigned long rpt; + unsigned long bpobits; + unsigned long mode; + unsigned long _pad1; +}; + +/** + * struct user_cb_regs - User catch buffer registers + * @flags: TXCATCH0 register (fault flags) + * @addr: TXCATCH1 register (fault address) + * @data: TXCATCH2 and TXCATCH3 registers (low and high data word) + * + * This is the user-visible catch buffer register state structure containing + * information about a failed memory access, and allowing the access to be + * modified and replayed. + * + * It can be accessed through PTRACE_GETREGSET with NT_METAG_CBUF. + */ +struct user_cb_regs { + unsigned long flags; + unsigned long addr; + unsigned long long data; +}; + +/** + * struct user_rp_state - User read pipeline state + * @entries: Read pipeline entries + * @mask: Mask of valid pipeline entries (RPMask from TXDIVTIME register) + * + * This is the user-visible read pipeline state structure containing the entries + * currently in the read pipeline and the mask of valid entries. + * + * It can be accessed through PTRACE_GETREGSET with NT_METAG_RPIPE. + */ +struct user_rp_state { + unsigned long long entries[6]; + unsigned long mask; +}; + +#endif /* __ASSEMBLY__ */ + +#endif /* _UAPI_METAG_PTRACE_H */ diff --git a/arch/metag/include/uapi/asm/resource.h b/arch/metag/include/uapi/asm/resource.h new file mode 100644 index 000000000000..526d23cc3054 --- /dev/null +++ b/arch/metag/include/uapi/asm/resource.h @@ -0,0 +1,7 @@ +#ifndef _UAPI_METAG_RESOURCE_H +#define _UAPI_METAG_RESOURCE_H + +#define _STK_LIM_MAX (1 << 28) +#include <asm-generic/resource.h> + +#endif /* _UAPI_METAG_RESOURCE_H */ diff --git a/arch/metag/include/uapi/asm/sigcontext.h b/arch/metag/include/uapi/asm/sigcontext.h new file mode 100644 index 000000000000..ef79a910c1c4 --- /dev/null +++ b/arch/metag/include/uapi/asm/sigcontext.h @@ -0,0 +1,31 @@ +#ifndef _ASM_METAG_SIGCONTEXT_H +#define _ASM_METAG_SIGCONTEXT_H + +#include <asm/ptrace.h> + +/* + * In a sigcontext structure we need to store the active state of the + * user process so that it does not get trashed when we call the signal + * handler. That not really the same as a user context that we are + * going to store on syscall etc. + */ +struct sigcontext { + struct user_gp_regs regs; /* needs to be first */ + + /* + * Catch registers describing a memory fault. + * If USER_GP_REGS_STATUS_CATCH_BIT is set in regs.status then catch + * buffers have been saved and will be replayed on sigreturn. + * Clear that bit to discard the catch state instead of replaying it. + */ + struct user_cb_regs cb; + + /* + * Read pipeline state. This will get restored on sigreturn. + */ + struct user_rp_state rp; + + unsigned long oldmask; +}; + +#endif diff --git a/arch/metag/include/uapi/asm/siginfo.h b/arch/metag/include/uapi/asm/siginfo.h new file mode 100644 index 000000000000..b2e0c8b62aef --- /dev/null +++ b/arch/metag/include/uapi/asm/siginfo.h @@ -0,0 +1,8 @@ +#ifndef _METAG_SIGINFO_H +#define _METAG_SIGINFO_H + +#define __ARCH_SI_TRAPNO + +#include <asm-generic/siginfo.h> + +#endif diff --git a/arch/metag/include/uapi/asm/swab.h b/arch/metag/include/uapi/asm/swab.h new file mode 100644 index 000000000000..1076b3a6387a --- /dev/null +++ b/arch/metag/include/uapi/asm/swab.h @@ -0,0 +1,26 @@ +#ifndef __ASM_METAG_SWAB_H +#define __ASM_METAG_SWAB_H + +#include <linux/compiler.h> +#include <linux/types.h> +#include <asm-generic/swab.h> + +static inline __attribute_const__ __u16 __arch_swab16(__u16 x) +{ + return __builtin_metag_bswaps(x); +} +#define __arch_swab16 __arch_swab16 + +static inline __attribute_const__ __u32 __arch_swab32(__u32 x) +{ + return __builtin_metag_bswap(x); +} +#define __arch_swab32 __arch_swab32 + +static inline __attribute_const__ __u64 __arch_swab64(__u64 x) +{ + return __builtin_metag_bswapll(x); +} +#define __arch_swab64 __arch_swab64 + +#endif /* __ASM_METAG_SWAB_H */ diff --git a/arch/metag/include/uapi/asm/unistd.h b/arch/metag/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..b80b8e899d22 --- /dev/null +++ b/arch/metag/include/uapi/asm/unistd.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2012 Imagination Technologies Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +/* Use the standard ABI for syscalls. */ +#include <asm-generic/unistd.h> + +/* metag-specific syscalls. */ +#define __NR_metag_setglobalbit (__NR_arch_specific_syscall + 1) +__SYSCALL(__NR_metag_setglobalbit, sys_metag_setglobalbit) +#define __NR_metag_set_fpu_flags (__NR_arch_specific_syscall + 2) +__SYSCALL(__NR_metag_set_fpu_flags, sys_metag_set_fpu_flags) +#define __NR_metag_set_tls (__NR_arch_specific_syscall + 3) +__SYSCALL(__NR_metag_set_tls, sys_metag_set_tls) +#define __NR_metag_get_tls (__NR_arch_specific_syscall + 4) +__SYSCALL(__NR_metag_get_tls, sys_metag_get_tls) |