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
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
24/* extended context was used, see struct extcontext for details */
25#define USED_EXTCONTEXT		(1 << 3)
26
27#if _MIPS_SIM == _MIPS_SIM_ABI32
28
29/*
30 * Keep this struct definition in sync with the sigcontext fragment
31 * in arch/mips/kernel/asm-offsets.c
32 */
33struct 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
61 * in arch/mips/kernel/asm-offsets.c
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 */
69struct 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;
85};
86
87
88#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
89
90#endif /* _UAPI_ASM_SIGCONTEXT_H */
91