diff options
Diffstat (limited to 'hw/heathrow_pic.c')
| -rw-r--r-- | hw/heathrow_pic.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/hw/heathrow_pic.c b/hw/heathrow_pic.c index c78a4ee638..f0518bb0b9 100644 --- a/hw/heathrow_pic.c +++ b/hw/heathrow_pic.c @@ -165,6 +165,43 @@ static void heathrow_pic_set_irq(void *opaque, int num, int level) heathrow_pic_update(s); } +static void heathrow_pic_save_one(QEMUFile *f, HeathrowPIC *s) +{ + qemu_put_be32s(f, &s->events); + qemu_put_be32s(f, &s->mask); + qemu_put_be32s(f, &s->levels); + qemu_put_be32s(f, &s->level_triggered); +} + +static void heathrow_pic_save(QEMUFile *f, void *opaque) +{ + HeathrowPICS *s = (HeathrowPICS *)opaque; + + heathrow_pic_save_one(f, &s->pics[0]); + heathrow_pic_save_one(f, &s->pics[1]); +} + +static void heathrow_pic_load_one(QEMUFile *f, HeathrowPIC *s) +{ + qemu_get_be32s(f, &s->events); + qemu_get_be32s(f, &s->mask); + qemu_get_be32s(f, &s->levels); + qemu_get_be32s(f, &s->level_triggered); +} + +static int heathrow_pic_load(QEMUFile *f, void *opaque, int version_id) +{ + HeathrowPICS *s = (HeathrowPICS *)opaque; + + if (version_id != 1) + return -EINVAL; + + heathrow_pic_load_one(f, &s->pics[0]); + heathrow_pic_load_one(f, &s->pics[1]); + + return 0; +} + static void heathrow_pic_reset_one(HeathrowPIC *s) { memset(s, '\0', sizeof(HeathrowPIC)); @@ -191,6 +228,8 @@ qemu_irq *heathrow_pic_init(int *pmem_index, s->irqs = irqs[0]; *pmem_index = cpu_register_io_memory(0, pic_read, pic_write, s); + register_savevm("heathrow_pic", -1, 1, heathrow_pic_save, + heathrow_pic_load, s); qemu_register_reset(heathrow_pic_reset, s); heathrow_pic_reset(s); return qemu_allocate_irqs(heathrow_pic_set_irq, s, 64); |