diff options
| -rw-r--r-- | linux-user/loongarch64/cpu_loop.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/linux-user/loongarch64/cpu_loop.c b/linux-user/loongarch64/cpu_loop.c index 0614d3de22..ec8a06c88c 100644 --- a/linux-user/loongarch64/cpu_loop.c +++ b/linux-user/loongarch64/cpu_loop.c @@ -11,6 +11,12 @@ #include "user/cpu_loop.h" #include "signal-common.h" +/* Break codes */ +enum { + BRK_OVERFLOW = 6, + BRK_DIVZERO = 7 +}; + void cpu_loop(CPULoongArchState *env) { CPUState *cs = env_cpu(env); @@ -66,9 +72,26 @@ void cpu_loop(CPULoongArchState *env) force_sig_fault(TARGET_SIGFPE, si_code, env->pc); break; case EXCP_DEBUG: - case EXCCODE_BRK: force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc); break; + case EXCCODE_BRK: + { + unsigned int opcode; + + get_user_u32(opcode, env->pc); + + switch (opcode & 0x7fff) { + case BRK_OVERFLOW: + force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTOVF, env->pc); + break; + case BRK_DIVZERO: + force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTDIV, env->pc); + break; + default: + force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc); + } + } + break; case EXCCODE_BCE: force_sig_fault(TARGET_SIGSYS, TARGET_SI_KERNEL, env->pc); break; |