summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--hw/xtensa_pic.c12
-rw-r--r--target-xtensa/cpu.h3
2 files changed, 15 insertions, 0 deletions
diff --git a/hw/xtensa_pic.c b/hw/xtensa_pic.c
index e5085ea9e7..93e28fd04b 100644
--- a/hw/xtensa_pic.c
+++ b/hw/xtensa_pic.c
@@ -157,3 +157,15 @@ void xtensa_irq_init(CPUState *env)
qemu_new_timer_ns(vm_clock, &xtensa_ccompare_cb, env);
}
}
+
+void *xtensa_get_extint(CPUState *env, unsigned extint)
+{
+ if (extint < env->config->nextint) {
+ unsigned irq = env->config->extint[extint];
+ return env->irq_inputs[irq];
+ } else {
+ qemu_log("%s: trying to acquire invalid external interrupt %d\n",
+ __func__, extint);
+ return NULL;
+ }
+}
diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h
index df168d5790..9d36c1bad5 100644
--- a/target-xtensa/cpu.h
+++ b/target-xtensa/cpu.h
@@ -277,6 +277,8 @@ typedef struct XtensaConfig {
} interrupt[MAX_NINTERRUPT];
unsigned nccompare;
uint32_t timerint[MAX_NCCOMPARE];
+ unsigned nextint;
+ unsigned extint[MAX_NINTERRUPT];
uint32_t clock_freq_khz;
xtensa_tlb itlb;
@@ -318,6 +320,7 @@ int cpu_xtensa_exec(CPUXtensaState *s);
void do_interrupt(CPUXtensaState *s);
void check_interrupts(CPUXtensaState *s);
void xtensa_irq_init(CPUState *env);
+void *xtensa_get_extint(CPUState *env, unsigned extint);
void xtensa_advance_ccount(CPUState *env, uint32_t d);
void xtensa_timer_irq(CPUState *env, uint32_t id, uint32_t active);
void xtensa_rearm_ccompare_timer(CPUState *env);