diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 58 |
1 files changed, 27 insertions, 31 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 8145005..1f47205 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -152,21 +152,25 @@ static void write_dt(void *ptr, unsigned long addr, unsigned long limit, int flags) { unsigned int e1, e2; + uint32_t *p; e1 = (addr << 16) | (limit & 0xffff); e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); e2 |= flags; - stl((uint8_t *)ptr, e1); - stl((uint8_t *)ptr + 4, e2); + p = ptr; + p[0] = tswapl(e1); + p[1] = tswapl(e2); } static void set_gate(void *ptr, unsigned int type, unsigned int dpl, unsigned long addr, unsigned int sel) { unsigned int e1, e2; + uint32_t *p; e1 = (addr & 0xffff) | (sel << 16); e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); - stl((uint8_t *)ptr, e1); - stl((uint8_t *)ptr + 4, e2); + p = ptr; + p[0] = tswapl(e1); + p[1] = tswapl(e2); } uint64_t gdt_table[6]; @@ -343,7 +347,7 @@ void cpu_loop(CPUARMState *env) /* we handle the FPU emulation here, as Linux */ /* we get the opcode */ - opcode = ldl_raw((uint8_t *)env->regs[15]); + opcode = tget32(env->regs[15]); if (EmulateAll(opcode, &ts->fpa, env) == 0) { info.si_signo = SIGILL; @@ -364,20 +368,20 @@ void cpu_loop(CPUARMState *env) /* system call */ if (trapnr == EXCP_BKPT) { if (env->thumb) { - insn = lduw((void *)(env->regs[15])); + insn = tget16(env->regs[15]); n = insn & 0xff; env->regs[15] += 2; } else { - insn = ldl((void *)(env->regs[15])); + insn = tget32(env->regs[15]); n = (insn & 0xf) | ((insn >> 4) & 0xff0); env->regs[15] += 4; } } else { if (env->thumb) { - insn = lduw((void *)(env->regs[15] - 2)); + insn = tget16(env->regs[15] - 2); n = insn & 0xff; } else { - insn = ldl((void *)(env->regs[15] - 4)); + insn = tget32(env->regs[15] - 4); n = insn & 0xffffff; } } @@ -475,16 +479,16 @@ static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) static inline void save_window_offset(CPUSPARCState *env, int cwp1) { unsigned int i; - uint32_t *sp_ptr; + target_ulong sp_ptr; - sp_ptr = (uint32_t *)(env->regbase[get_reg_index(env, cwp1, 6)]); + sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; #if defined(DEBUG_WIN) printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n", (int)sp_ptr, cwp1); #endif for(i = 0; i < 16; i++) { - put_user(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); - sp_ptr++; + tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]); + sp_ptr += sizeof(target_ulong); } } @@ -500,22 +504,21 @@ static void save_window(CPUSPARCState *env) static void restore_window(CPUSPARCState *env) { unsigned int new_wim, i, cwp1; - uint32_t *sp_ptr, reg; + target_ulong sp_ptr; new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) & ((1LL << NWINDOWS) - 1); /* restore the invalid window */ cwp1 = (env->cwp + 1) & (NWINDOWS - 1); - sp_ptr = (uint32_t *)(env->regbase[get_reg_index(env, cwp1, 6)]); + sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; #if defined(DEBUG_WIN) printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n", (int)sp_ptr, cwp1); #endif for(i = 0; i < 16; i++) { - get_user(reg, sp_ptr); - env->regbase[get_reg_index(env, cwp1, 8 + i)] = reg; - sp_ptr++; + env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr); + sp_ptr += sizeof(target_ulong); } env->wim = new_wim; } @@ -1304,15 +1307,9 @@ void cpu_loop(CPUMIPSState *env) if (nb_args >= 5) { sp_reg = env->gpr[29]; /* these arguments are taken from the stack */ - if (get_user(arg5, (target_ulong *)(sp_reg + 16))) { - ret = -EFAULT; - goto fail; - } + arg5 = tgetl(sp_reg + 16); if (nb_args >= 6) { - if (get_user(arg6, (target_ulong *)(sp_reg + 20))) { - ret = -EFAULT; - goto fail; - } + arg6 = tgetl(sp_reg + 20); } else { arg6 = 0; } @@ -1347,8 +1344,7 @@ void cpu_loop(CPUMIPSState *env) { uint32_t insn, op; - if (get_user(insn, (uint32_t *)env->PC) < 0) - goto sigill; + insn = tget32(env->PC); op = insn >> 26; // printf("insn=%08x op=%02x\n", insn, op); /* XXX: totally dummy FP ops just to be able to launch @@ -1531,7 +1527,7 @@ int main(int argc, char **argv) fprintf(logfile, "entry 0x%08lx\n" , info->entry); } - target_set_brk((char *)info->brk); + target_set_brk(info->brk); syscall_init(); signal_init(); @@ -1566,7 +1562,7 @@ int main(int argc, char **argv) env->eip = regs->eip; /* linux interrupt setup */ - env->idt.base = (long)idt_table; + env->idt.base = h2g(idt_table); env->idt.limit = sizeof(idt_table) - 1; set_idt(0, 0); set_idt(1, 0); @@ -1591,7 +1587,7 @@ int main(int argc, char **argv) set_idt(0x80, 3); /* linux segment setup */ - env->gdt.base = (long)gdt_table; + env->gdt.base = h2g(gdt_table); env->gdt.limit = sizeof(gdt_table) - 1; write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |