| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 2 | /* |
| 3 | * uctx.h: Sparc64 {set,get}context() register state layouts. |
| 4 | * |
| 5 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) |
| 6 | */ |
| 7 | |
| 8 | #ifndef __SPARC64_UCTX_H |
| 9 | #define __SPARC64_UCTX_H |
| 10 | |
| 11 | #define MC_TSTATE 0 |
| 12 | #define MC_PC 1 |
| 13 | #define MC_NPC 2 |
| 14 | #define MC_Y 3 |
| 15 | #define MC_G1 4 |
| 16 | #define MC_G2 5 |
| 17 | #define MC_G3 6 |
| 18 | #define MC_G4 7 |
| 19 | #define MC_G5 8 |
| 20 | #define MC_G6 9 |
| 21 | #define MC_G7 10 |
| 22 | #define MC_O0 11 |
| 23 | #define MC_O1 12 |
| 24 | #define MC_O2 13 |
| 25 | #define MC_O3 14 |
| 26 | #define MC_O4 15 |
| 27 | #define MC_O5 16 |
| 28 | #define MC_O6 17 |
| 29 | #define MC_O7 18 |
| 30 | #define MC_NGREG 19 |
| 31 | |
| 32 | typedef unsigned long mc_greg_t; |
| 33 | typedef mc_greg_t mc_gregset_t[MC_NGREG]; |
| 34 | |
| 35 | #define MC_MAXFPQ 16 |
| 36 | struct mc_fq { |
| 37 | unsigned long *mcfq_addr; |
| 38 | unsigned int mcfq_insn; |
| 39 | }; |
| 40 | |
| 41 | struct mc_fpu { |
| 42 | union { |
| 43 | unsigned int sregs[32]; |
| 44 | unsigned long dregs[32]; |
| 45 | long double qregs[16]; |
| 46 | } mcfpu_fregs; |
| 47 | unsigned long mcfpu_fsr; |
| 48 | unsigned long mcfpu_fprs; |
| 49 | unsigned long mcfpu_gsr; |
| 50 | struct mc_fq *mcfpu_fq; |
| 51 | unsigned char mcfpu_qcnt; |
| 52 | unsigned char mcfpu_qentsz; |
| 53 | unsigned char mcfpu_enab; |
| 54 | }; |
| 55 | typedef struct mc_fpu mc_fpu_t; |
| 56 | |
| 57 | typedef struct { |
| 58 | mc_gregset_t mc_gregs; |
| 59 | mc_greg_t mc_fp; |
| 60 | mc_greg_t mc_i7; |
| 61 | mc_fpu_t mc_fpregs; |
| 62 | } mcontext_t; |
| 63 | |
| 64 | struct ucontext { |
| 65 | struct ucontext *uc_link; |
| 66 | unsigned long uc_flags; |
| 67 | sigset_t uc_sigmask; |
| 68 | mcontext_t uc_mcontext; |
| 69 | }; |
| 70 | typedef struct ucontext ucontext_t; |
| 71 | |
| 72 | #endif /* __SPARC64_UCTX_H */ |