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Diffstat (limited to 'hw/arm_timer.c')
-rw-r--r--hw/arm_timer.c49
1 files changed, 46 insertions, 3 deletions
diff --git a/hw/arm_timer.c b/hw/arm_timer.c
index 540d3dea1..5150fe9a5 100644
--- a/hw/arm_timer.c
+++ b/hw/arm_timer.c
@@ -143,6 +143,29 @@ static void arm_timer_tick(void *opaque)
arm_timer_update(s);
}
+static void arm_timer_save(QEMUFile *f, void *opaque)
+{
+ arm_timer_state *s = (arm_timer_state *)opaque;
+ qemu_put_be32(f, s->control);
+ qemu_put_be32(f, s->limit);
+ qemu_put_be32(f, s->int_level);
+ qemu_put_ptimer(f, s->timer);
+}
+
+static int arm_timer_load(QEMUFile *f, void *opaque, int version_id)
+{
+ arm_timer_state *s = (arm_timer_state *)opaque;
+
+ if (version_id != 1)
+ return -EINVAL;
+
+ s->control = qemu_get_be32(f);
+ s->limit = qemu_get_be32(f);
+ s->int_level = qemu_get_be32(f);
+ qemu_get_ptimer(f, s->timer);
+ return 0;
+}
+
static void *arm_timer_init(uint32_t freq, qemu_irq irq)
{
arm_timer_state *s;
@@ -155,7 +178,7 @@ static void *arm_timer_init(uint32_t freq, qemu_irq irq)
bh = qemu_bh_new(arm_timer_tick, s);
s->timer = ptimer_init(bh);
- /* ??? Save/restore. */
+ register_savevm("arm_timer", -1, 1, arm_timer_save, arm_timer_load, s);
return s;
}
@@ -218,6 +241,25 @@ static CPUWriteMemoryFunc *sp804_writefn[] = {
sp804_write
};
+static void sp804_save(QEMUFile *f, void *opaque)
+{
+ sp804_state *s = (sp804_state *)opaque;
+ qemu_put_be32(f, s->level[0]);
+ qemu_put_be32(f, s->level[1]);
+}
+
+static int sp804_load(QEMUFile *f, void *opaque, int version_id)
+{
+ sp804_state *s = (sp804_state *)opaque;
+
+ if (version_id != 1)
+ return -EINVAL;
+
+ s->level[0] = qemu_get_be32(f);
+ s->level[1] = qemu_get_be32(f);
+ return 0;
+}
+
void sp804_init(uint32_t base, qemu_irq irq)
{
int iomemtype;
@@ -235,7 +277,7 @@ void sp804_init(uint32_t base, qemu_irq irq)
iomemtype = cpu_register_io_memory(0, sp804_readfn,
sp804_writefn, s);
cpu_register_physical_memory(base, 0x00001000, iomemtype);
- /* ??? Save/restore. */
+ register_savevm("sp804", -1, 1, sp804_save, sp804_load, s);
}
@@ -303,6 +345,7 @@ void icp_pit_init(uint32_t base, qemu_irq *pic, int irq)
iomemtype = cpu_register_io_memory(0, icp_pit_readfn,
icp_pit_writefn, s);
cpu_register_physical_memory(base, 0x00001000, iomemtype);
- /* ??? Save/restore. */
+ /* This device has no state to save/restore. The component timers will
+ save themselves. */
}