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Diffstat (limited to 'hw/mips_int.c')
-rw-r--r--hw/mips_int.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/hw/mips_int.c b/hw/mips_int.c
index c30954caa..477f6abf9 100644
--- a/hw/mips_int.c
+++ b/hw/mips_int.c
@@ -24,22 +24,6 @@
#include "mips_cpudevs.h"
#include "cpu.h"
-/* Raise IRQ to CPU if necessary. It must be called every time the active
- IRQ may change */
-void cpu_mips_update_irq(CPUState *env)
-{
- 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
- cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
-}
-
static void cpu_mips_irq_request(void *opaque, int irq, int level)
{
CPUState *env = (CPUState *)opaque;
@@ -52,7 +36,12 @@ static void cpu_mips_irq_request(void *opaque, int irq, int level)
} else {
env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
}
- cpu_mips_update_irq(env);
+
+ if (env->CP0_Cause & CP0Ca_IP_mask) {
+ cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ } else {
+ cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
+ }
}
void cpu_mips_irq_init_cpu(CPUState *env)
@@ -65,3 +54,12 @@ void cpu_mips_irq_init_cpu(CPUState *env)
env->irq[i] = qi[i];
}
}
+
+void cpu_mips_soft_irq(CPUState *env, int irq, int level)
+{
+ if (irq < 0 || irq > 2) {
+ return;
+ }
+
+ qemu_set_irq(env->irq[irq], level);
+}