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| author | Max Filippov <jcmvbkbc@gmail.com> | 2011-10-16 02:56:03 +0400 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-10-16 10:39:41 +0000 |
| commit | b8929a549f3e97b6cc2dfd22ba83612a1bb625ec (patch) | |
| tree | 63c0141c6ea2f2f1f9ff3eb160591bb27fd763e7 /hw/xtensa_pic.c | |
| parent | 63f95e4c652fd35df7e048574dcb468b404a6f4e (diff) | |
| download | qemu-b8929a549f3e97b6cc2dfd22ba83612a1bb625ec.zip qemu-b8929a549f3e97b6cc2dfd22ba83612a1bb625ec.tar.gz qemu-b8929a549f3e97b6cc2dfd22ba83612a1bb625ec.tar.bz2 | |
target-xtensa: implement external interrupt mapping
Xtensa cores may have different mapping of external interrupt pins to
internal IRQ numers. Implement API to acquire core IRQ by its external
interrupt number.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'hw/xtensa_pic.c')
| -rw-r--r-- | hw/xtensa_pic.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/xtensa_pic.c b/hw/xtensa_pic.c index e5085ea..93e28fd 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; + } +} |