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authorths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-03-30 16:44:54 +0000
committerths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-03-30 16:44:54 +0000
commit24c7b0e330fdbfcfe87f515d79e67156c57cbc4f (patch)
tree50ed71bd4fc4c3fc0e6fc5cccb222417244b5baa /hw
parente69f67b6d58f366ffaa83a0973948edd1f74b370 (diff)
Sanitize mips exception handling.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2546 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
-rw-r--r--hw/mips_int.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/hw/mips_int.c b/hw/mips_int.c
index 7f9f15305b..b384b64d28 100644
--- a/hw/mips_int.c
+++ b/hw/mips_int.c
@@ -5,17 +5,16 @@
IRQ may change */
void cpu_mips_update_irq(CPUState *env)
{
- if ((env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask) &&
- (env->CP0_Status & (1 << CP0St_IE)) &&
- !(env->hflags & MIPS_HFLAG_EXL) &&
- !(env->hflags & MIPS_HFLAG_ERL) &&
- !(env->hflags & MIPS_HFLAG_DM)) {
- if (! (env->interrupt_request & CPU_INTERRUPT_HARD)) {
+ if ((env->CP0_Status & (1 << CP0St_IE)) &&
+ !(env->CP0_Status & (1 << CP0St_EXL)) &&
+ !(env->CP0_Status & (1 << CP0St_ERL)) &&
+ !(env->hflags & MIPS_HFLAG_DM)) {
+ if ((env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask) &&
+ !(env->interrupt_request & CPU_INTERRUPT_HARD)) {
cpu_interrupt(env, CPU_INTERRUPT_HARD);
}
- } else {
+ } else
cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
- }
}
void cpu_mips_irq_request(void *opaque, int irq, int level)