Fix incorrect exception_index use

env->exception_index should be cleared with -1, not 0.

See also 821b19fe923ac49a24cdb4af902584fdd019cee6.

Spotted by Igor Kovalenko.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

diff --git a/target-alpha/helper.c b/target-alpha/helper.c
index be7d37b..1e0bc4a 100644 (file)
--- a/target-alpha/helper.c
+++ b/target-alpha/helper.c
@@ -467,7 +467,7 @@ void do_interrupt (CPUState *env)
 
     env->ipr[IPR_EXC_ADDR] = env->pc | 1;
     excp = env->exception_index;
-    env->exception_index = 0;
+    env->exception_index = -1;
     env->error_code = 0;
     /* XXX: disable interrupts and memory mapping */
     if (env->ipr[IPR_PAL_BASE] != -1ULL) {

diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 0992563..0199a65 100644 (file)
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -186,7 +186,7 @@ static void kvm_s390_interrupt_internal(CPUState *env, int type, uint32_t parm,
     }
 
     env->halted = 0;
-    env->exception_index = 0;
+    env->exception_index = -1;
 
     kvmint.type = type;
     kvmint.parm = parm;
@@ -325,7 +325,7 @@ static int s390_cpu_restart(CPUState *env)
 {
     kvm_s390_interrupt(env, KVM_S390_RESTART, 0);
     env->halted = 0;
-    env->exception_index = 0;
+    env->exception_index = -1;
     qemu_cpu_kick(env);
     dprintf("DONE: SIGP cpu restart: %p\n", env);
     return 0;

diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index f38e6ab..d2ff669 100644 (file)
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -38,7 +38,7 @@ int cpu_sh4_handle_mmu_fault(CPUState * env, target_ulong address, int rw,
                             int mmu_idx, int is_softmmu)
 {
     env->tea = address;
-    env->exception_index = 0;
+    env->exception_index = -1;
     switch (rw) {
     case 0:
         env->exception_index = 0x0a0;