diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 6286661bd3..450eb3ce65 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -35,7 +35,6 @@ #include "elf.h" #include "exec/log.h" #include "trace/control.h" -#include "glib-compat.h" char *exec_path; @@ -2680,6 +2679,8 @@ void cpu_loop(CPUSH4State *env) target_siginfo_t info; while (1) { + bool arch_interrupt = true; + cpu_exec_start(cs); trapnr = cpu_exec(cs); cpu_exec_end(cs); @@ -2711,13 +2712,14 @@ void cpu_loop(CPUSH4State *env) int sig; sig = gdb_handlesig(cs, TARGET_SIGTRAP); - if (sig) - { + if (sig) { info.si_signo = sig; info.si_errno = 0; info.si_code = TARGET_TRAP_BRKPT; queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); - } + } else { + arch_interrupt = false; + } } break; case 0xa0: @@ -2728,9 +2730,9 @@ void cpu_loop(CPUSH4State *env) info._sifields._sigfault._addr = env->tea; queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); break; - case EXCP_ATOMIC: cpu_exec_step_atomic(cs); + arch_interrupt = false; break; default: printf ("Unhandled trap: 0x%x\n", trapnr); @@ -2738,6 +2740,14 @@ void cpu_loop(CPUSH4State *env) exit(EXIT_FAILURE); } process_pending_signals (env); + + /* Most of the traps imply an exception or interrupt, which + implies an REI instruction has been executed. Which means + that LDST (aka LOK_ADDR) should be cleared. But there are + a few exceptions for traps internal to QEMU. */ + if (arch_interrupt) { + env->lock_addr = -1; + } } } #endif @@ -2975,6 +2985,13 @@ void cpu_loop(CPUM68KState *env) info._sifields._sigfault._addr = env->pc; queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); break; + case EXCP_CHK: + info.si_signo = TARGET_SIGFPE; + info.si_errno = 0; + info.si_code = TARGET_FPE_INTOVF; + info._sifields._sigfault._addr = env->pc; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; case EXCP_DIV0: info.si_signo = TARGET_SIGFPE; info.si_errno = 0; @@ -4612,6 +4629,12 @@ int main(int argc, char **argv, char **envp) } env->pc = regs->pc; env->xregs[31] = regs->sp; +#ifdef TARGET_WORDS_BIGENDIAN + env->cp15.sctlr_el[1] |= SCTLR_E0E; + for (i = 1; i < 4; ++i) { + env->cp15.sctlr_el[i] |= SCTLR_EE; + } +#endif } #elif defined(TARGET_ARM) { |