target/xtensa: expose core runstall as an IRQ line

Runstall signal looks very much like a level-triggered IRQ line. Provide
xtensa_get_runstall function that returns runstall IRQ.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
index 176af8a53c..b665bfc006 100644
--- a/target/xtensa/cpu.h
+++ b/target/xtensa/cpu.h
@@ -485,6 +485,7 @@ typedef struct CPUXtensaState {
     int pending_irq_level; /* level of last raised IRQ */
     qemu_irq *irq_inputs;
     qemu_irq ext_irq_inputs[MAX_NINTERRUPT];
+    qemu_irq runstall_irq;
     XtensaCcompareTimer ccompare[MAX_NCCOMPARE];
     uint64_t time_base;
     uint64_t ccount_time;
@@ -571,6 +572,7 @@ void xtensa_sim_open_console(Chardev *chr);
 void check_interrupts(CPUXtensaState *s);
 void xtensa_irq_init(CPUXtensaState *env);
 qemu_irq *xtensa_get_extints(CPUXtensaState *env);
+qemu_irq xtensa_get_runstall(CPUXtensaState *env);
 int cpu_xtensa_signal_handler(int host_signum, void *pinfo, void *puc);
 void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf);
 void xtensa_sync_window_from_phys(CPUXtensaState *env);