| 1 | /* |
| 2 | * FreeBSD i386 register structures |
| 3 | * |
| 4 | * Copyright (c) 2015 Stacey D. Son |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | #ifndef TARGET_ARCH_REG_H |
| 9 | #define TARGET_ARCH_REG_H |
| 10 | |
| 11 | /* See sys/i386/include/reg.h */ |
| 12 | typedef struct target_reg { |
| 13 | uint32_t r_fs; |
| 14 | uint32_t r_es; |
| 15 | uint32_t r_ds; |
| 16 | uint32_t r_edi; |
| 17 | uint32_t r_esi; |
| 18 | uint32_t r_ebp; |
| 19 | uint32_t r_isp; |
| 20 | uint32_t r_ebx; |
| 21 | uint32_t r_edx; |
| 22 | uint32_t r_ecx; |
| 23 | uint32_t r_eax; |
| 24 | uint32_t r_trapno; |
| 25 | uint32_t r_err; |
| 26 | uint32_t r_eip; |
| 27 | uint32_t r_cs; |
| 28 | uint32_t r_eflags; |
| 29 | uint32_t r_esp; |
| 30 | uint32_t r_ss; |
| 31 | uint32_t r_gs; |
| 32 | } target_reg_t; |
| 33 | |
| 34 | typedef struct target_fpreg { |
| 35 | uint32_t fpr_env[7]; |
| 36 | uint8_t fpr_acc[8][10]; |
| 37 | uint32_t fpr_ex_sw; |
| 38 | uint8_t fpr_pad[64]; |
| 39 | } target_fpreg_t; |
| 40 | |
| 41 | static inline void target_copy_regs(target_reg_t *regs, const CPUX86State *env) |
| 42 | { |
| 43 | |
| 44 | regs->r_fs = env->segs[R_FS].selector & 0xffff; |
| 45 | regs->r_es = env->segs[R_ES].selector & 0xffff; |
| 46 | regs->r_ds = env->segs[R_DS].selector & 0xffff; |
| 47 | |
| 48 | regs->r_edi = env->regs[R_EDI]; |
| 49 | regs->r_esi = env->regs[R_ESI]; |
| 50 | regs->r_ebp = env->regs[R_EBP]; |
| 51 | /* regs->r_isp = env->regs[R_ISP]; XXX */ |
| 52 | regs->r_ebx = env->regs[R_EBX]; |
| 53 | regs->r_edx = env->regs[R_EDX]; |
| 54 | regs->r_ecx = env->regs[R_ECX]; |
| 55 | regs->r_eax = env->regs[R_EAX]; |
| 56 | /* regs->r_trapno = env->regs[R_TRAPNO]; XXX */ |
| 57 | regs->r_err = env->error_code; /* XXX ? */ |
| 58 | regs->r_eip = env->eip; |
| 59 | |
| 60 | regs->r_cs = env->segs[R_CS].selector & 0xffff; |
| 61 | |
| 62 | regs->r_eflags = env->eflags; |
| 63 | regs->r_esp = env->regs[R_ESP]; |
| 64 | |
| 65 | regs->r_ss = env->segs[R_SS].selector & 0xffff; |
| 66 | regs->r_gs = env->segs[R_GS].selector & 0xffff; |
| 67 | } |
| 68 | |
| 69 | #endif /* TARGET_ARCH_REG_H */ |