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target/xtensa: expose core runstall as an IRQ line

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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>
This commit is contained in:
Max Filippov 2019-01-27 17:10:27 -08:00
parent 66f03d7e13
commit 17a86b0e9f
2 changed files with 14 additions and 0 deletions
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2
target/xtensa/cpu.h
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@ -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);