David Howells | 61730c5 | 2012-10-09 09:47:14 +0100 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 1996, 1997, 1999 by Ralf Baechle |
| 7 | * Copyright (C) 1999 Silicon Graphics, Inc. |
| 8 | */ |
| 9 | #ifndef _UAPI_ASM_SIGCONTEXT_H |
| 10 | #define _UAPI_ASM_SIGCONTEXT_H |
| 11 | |
| 12 | #include <linux/types.h> |
| 13 | #include <asm/sgidefs.h> |
| 14 | |
Paul Burton | 0d071fa | 2015-07-27 12:58:20 -0700 | [diff] [blame] | 15 | /* scalar FP context was used */ |
| 16 | #define USED_FP (1 << 0) |
| 17 | |
| 18 | /* the value of Status.FR when context was saved */ |
| 19 | #define USED_FR1 (1 << 1) |
| 20 | |
| 21 | /* FR=1, but with odd singles in bits 63:32 of preceding even double */ |
| 22 | #define USED_HYBRID_FPRS (1 << 2) |
| 23 | |
Paul Burton | f1fe2d2 | 2015-07-27 12:58:21 -0700 | [diff] [blame] | 24 | /* extended context was used, see struct extcontext for details */ |
| 25 | #define USED_EXTCONTEXT (1 << 3) |
| 26 | |
David Howells | 61730c5 | 2012-10-09 09:47:14 +0100 | [diff] [blame] | 27 | #if _MIPS_SIM == _MIPS_SIM_ABI32 |
| 28 | |
| 29 | /* |
| 30 | * Keep this struct definition in sync with the sigcontext fragment |
Ralf Baechle | 5f7e631 | 2015-07-14 16:04:42 +0200 | [diff] [blame] | 31 | * in arch/mips/kernel/asm-offsets.c |
David Howells | 61730c5 | 2012-10-09 09:47:14 +0100 | [diff] [blame] | 32 | */ |
| 33 | struct sigcontext { |
| 34 | unsigned int sc_regmask; /* Unused */ |
| 35 | unsigned int sc_status; /* Unused */ |
| 36 | unsigned long long sc_pc; |
| 37 | unsigned long long sc_regs[32]; |
| 38 | unsigned long long sc_fpregs[32]; |
| 39 | unsigned int sc_acx; /* Was sc_ownedfp */ |
| 40 | unsigned int sc_fpc_csr; |
| 41 | unsigned int sc_fpc_eir; /* Unused */ |
| 42 | unsigned int sc_used_math; |
| 43 | unsigned int sc_dsp; /* dsp status, was sc_ssflags */ |
| 44 | unsigned long long sc_mdhi; |
| 45 | unsigned long long sc_mdlo; |
| 46 | unsigned long sc_hi1; /* Was sc_cause */ |
| 47 | unsigned long sc_lo1; /* Was sc_badvaddr */ |
| 48 | unsigned long sc_hi2; /* Was sc_sigset[4] */ |
| 49 | unsigned long sc_lo2; |
| 50 | unsigned long sc_hi3; |
| 51 | unsigned long sc_lo3; |
| 52 | }; |
| 53 | |
| 54 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ |
| 55 | |
| 56 | #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 |
| 57 | |
| 58 | #include <linux/posix_types.h> |
| 59 | /* |
| 60 | * Keep this struct definition in sync with the sigcontext fragment |
Ralf Baechle | 5f7e631 | 2015-07-14 16:04:42 +0200 | [diff] [blame] | 61 | * in arch/mips/kernel/asm-offsets.c |
David Howells | 61730c5 | 2012-10-09 09:47:14 +0100 | [diff] [blame] | 62 | * |
| 63 | * Warning: this structure illdefined with sc_badvaddr being just an unsigned |
| 64 | * int so it was changed to unsigned long in 2.6.0-test1. This may break |
| 65 | * binary compatibility - no prisoners. |
| 66 | * DSP ASE in 2.6.12-rc4. Turn sc_mdhi and sc_mdlo into an array of four |
| 67 | * entries, add sc_dsp and sc_reserved for padding. No prisoners. |
| 68 | */ |
| 69 | struct sigcontext { |
| 70 | __u64 sc_regs[32]; |
| 71 | __u64 sc_fpregs[32]; |
| 72 | __u64 sc_mdhi; |
| 73 | __u64 sc_hi1; |
| 74 | __u64 sc_hi2; |
| 75 | __u64 sc_hi3; |
| 76 | __u64 sc_mdlo; |
| 77 | __u64 sc_lo1; |
| 78 | __u64 sc_lo2; |
| 79 | __u64 sc_lo3; |
| 80 | __u64 sc_pc; |
| 81 | __u32 sc_fpc_csr; |
| 82 | __u32 sc_used_math; |
| 83 | __u32 sc_dsp; |
| 84 | __u32 sc_reserved; |
David Howells | 61730c5 | 2012-10-09 09:47:14 +0100 | [diff] [blame] | 85 | }; |
| 86 | |
| 87 | |
| 88 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */ |
| 89 | |
| 90 | #endif /* _UAPI_ASM_SIGCONTEXT_H */ |