diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-06-14 13:37:55 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-06-14 13:37:55 +0000 |
| commit | bc1ad2decd3e5caeca90c09382b0a99e1c8d011e (patch) | |
| tree | 6b81c23a291392673ec3f28024a1d5e08f03b307 | |
| parent | 83fcb515481f72b9bc74c22490fe5a4f4de20dd6 (diff) | |
MIPS FPU support in linux user emulation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1967 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | linux-user/main.c | 41 |
1 files changed, 7 insertions, 34 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index d4f0947104..49b2166bc3 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -1327,7 +1327,6 @@ void cpu_loop(CPUMIPSState *env) arg5, arg6); } - fail: env->PC += 4; if ((unsigned int)ret >= (unsigned int)(-1133)) { env->gpr[7] = 1; /* error flag */ @@ -1342,39 +1341,10 @@ void cpu_loop(CPUMIPSState *env) break; case EXCP_CpU: case EXCP_RI: - { - uint32_t insn, op; - - 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 - a few executables */ - switch(op) { - case 0x31: /* LWC1 */ - env->PC += 4; - break; - case 0x39: /* SWC1 */ - env->PC += 4; - break; - case 0x11: - switch((insn >> 21) & 0x1f) { - case 0x02: /* CFC1 */ - env->PC += 4; - break; - default: - goto sigill; - } - break; - default: - sigill: - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = 0; - queue_signal(info.si_signo, &info); - break; - } - } + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = 0; + queue_signal(info.si_signo, &info); break; default: // error: @@ -1700,6 +1670,9 @@ int main(int argc, char **argv) env->gpr[i] = regs->regs[i]; } env->PC = regs->cp0_epc; +#ifdef MIPS_USES_FPU + env->CP0_Status |= (1 << CP0St_CU1); +#endif } #elif defined(TARGET_SH4) { |