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authorj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-14 08:48:23 +0000
committerj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-14 08:48:23 +0000
commite63ecc6f68d5f9349683aef5d74e36137eafb72d (patch)
treec4ef66e5b7139ab1ce8685d19ccc767c4c42e233 /target-ppc
parent22f8a8b31c1e20df835eb4a779c573647753ee77 (diff)
downloadqemu-e63ecc6f68d5f9349683aef5d74e36137eafb72d.zip
Do not allow PowerPC CPU restart after entering checkstop mode.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3388 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/helper.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index dd5a07a53f..b3f3ae6d72 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -2156,10 +2156,18 @@ static always_inline void powerpc_excp (CPUState *env,
goto store_next;
case POWERPC_EXCP_MCHECK: /* Machine check exception */
if (msr_me == 0) {
- /* Machine check exception is not enabled */
- /* XXX: we may just stop the processor here, to allow debugging */
- excp = POWERPC_EXCP_RESET;
- goto excp_reset;
+ /* Machine check exception is not enabled.
+ * Enter checkstop state.
+ */
+ if (loglevel != 0) {
+ fprintf(logfile, "Machine check while not allowed. "
+ "Entering checkstop state\n");
+ } else {
+ fprintf(stderr, "Machine check while not allowed. "
+ "Entering checkstop state\n");
+ }
+ env->halted = 1;
+ env->interrupt_request |= CPU_INTERRUPT_EXITTB;
}
msr_ri = 0;
msr_me = 0;
@@ -2413,7 +2421,6 @@ static always_inline void powerpc_excp (CPUState *env,
#if defined(TARGET_PPC64H)
msr_hv = 1;
#endif
- excp_reset:
goto store_next;
#if defined(TARGET_PPC64)
case POWERPC_EXCP_DSEG: /* Data segment exception */