diff options
| -rw-r--r-- | linux-user/microblaze/cpu_loop.c | 61 |
1 files changed, 25 insertions, 36 deletions
diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c index ff1fb26c8b..08620d4e68 100644 --- a/linux-user/microblaze/cpu_loop.c +++ b/linux-user/microblaze/cpu_loop.c @@ -27,9 +27,8 @@ void cpu_loop(CPUMBState *env) { CPUState *cs = env_cpu(env); - int trapnr, ret; - target_siginfo_t info; - + int trapnr, ret, si_code; + while (1) { cpu_exec_start(cs); trapnr = cpu_exec(cs); @@ -38,8 +37,8 @@ void cpu_loop(CPUMBState *env) switch (trapnr) { case EXCP_INTERRUPT: - /* just indicate that signals should be handled asap */ - break; + /* just indicate that signals should be handled asap */ + break; case EXCP_SYSCALL: /* Return address is 4 bytes after the call. */ env->regs[14] += 4; @@ -67,6 +66,7 @@ void cpu_loop(CPUMBState *env) */ env->regs[14] = env->pc; break; + case EXCP_HW_EXCP: env->regs[17] = env->pc + 4; if (env->iflags & D_FLAG) { @@ -74,42 +74,31 @@ void cpu_loop(CPUMBState *env) env->pc -= 4; /* FIXME: if branch was immed, replay the imm as well. */ } - env->iflags &= ~(IMM_FLAG | D_FLAG); - switch (env->esr & 31) { - case ESR_EC_DIVZERO: - info.si_signo = TARGET_SIGFPE; - info.si_errno = 0; - info.si_code = TARGET_FPE_FLTDIV; - info._sifields._sigfault._addr = 0; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - case ESR_EC_FPU: - info.si_signo = TARGET_SIGFPE; - info.si_errno = 0; - if (env->fsr & FSR_IO) { - info.si_code = TARGET_FPE_FLTINV; - } - if (env->fsr & FSR_DZ) { - info.si_code = TARGET_FPE_FLTDIV; - } - info._sifields._sigfault._addr = 0; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - break; - default: - fprintf(stderr, "Unhandled hw-exception: 0x%x\n", - env->esr & ESR_EC_MASK); - cpu_dump_state(cs, stderr, 0); - exit(EXIT_FAILURE); - break; + case ESR_EC_DIVZERO: + si_code = TARGET_FPE_FLTDIV; + break; + case ESR_EC_FPU: + si_code = 0; + if (env->fsr & FSR_IO) { + si_code = TARGET_FPE_FLTINV; + } + if (env->fsr & FSR_DZ) { + si_code = TARGET_FPE_FLTDIV; + } + break; + default: + fprintf(stderr, "Unhandled hw-exception: 0x%x\n", + env->esr & ESR_EC_MASK); + cpu_dump_state(cs, stderr, 0); + exit(EXIT_FAILURE); } + force_sig_fault(TARGET_SIGFPE, si_code, env->pc); break; + case EXCP_DEBUG: - info.si_signo = TARGET_SIGTRAP; - info.si_errno = 0; - info.si_code = TARGET_TRAP_BRKPT; - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc); break; case EXCP_ATOMIC: cpu_exec_step_atomic(cs); |