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authorIlya Leoshkevich <iii@linux.ibm.com>2023-02-14 15:08:28 +0100
committerRichard Henderson <richard.henderson@linaro.org>2023-02-21 08:44:13 -1000
commitd7d5601c788b7972d7e62ce2e8af4587db9e2da1 (patch)
tree153bbfc6a07ca2469c2fbc124932eabeab444a36 /linux-user
parentdf8a688032280ecd07ace7c6fbc70f5650cca9af (diff)
linux-user/microblaze: Handle privileged exception
Follow what kernel's full_exception() is doing. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Message-Id: <20230214140829.45392-4-iii@linux.ibm.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/microblaze/cpu_loop.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c
index 5ccf9e942e..212e62d0a6 100644
--- a/linux-user/microblaze/cpu_loop.c
+++ b/linux-user/microblaze/cpu_loop.c
@@ -25,8 +25,8 @@
void cpu_loop(CPUMBState *env)
{
+ int trapnr, ret, si_code, sig;
CPUState *cs = env_cpu(env);
- int trapnr, ret, si_code;
while (1) {
cpu_exec_start(cs);
@@ -76,6 +76,7 @@ void cpu_loop(CPUMBState *env)
env->iflags &= ~(IMM_FLAG | D_FLAG);
switch (env->esr & 31) {
case ESR_EC_DIVZERO:
+ sig = TARGET_SIGFPE;
si_code = TARGET_FPE_INTDIV;
break;
case ESR_EC_FPU:
@@ -84,6 +85,7 @@ void cpu_loop(CPUMBState *env)
* if there's no recognized bit set. Possibly this
* implies that si_code is 0, but follow the structure.
*/
+ sig = TARGET_SIGFPE;
si_code = env->fsr;
if (si_code & FSR_IO) {
si_code = TARGET_FPE_FLTINV;
@@ -97,13 +99,17 @@ void cpu_loop(CPUMBState *env)
si_code = TARGET_FPE_FLTRES;
}
break;
+ case ESR_EC_PRIVINSN:
+ sig = SIGILL;
+ si_code = ILL_PRVOPC;
+ 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);
+ force_sig_fault(sig, si_code, env->pc);
break;
case EXCP_DEBUG: