Save/restore for stellaris boards.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4824 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 46 insertions, 3 deletions

diff --git a/hw/arm_timer.c b/hw/arm_timer.c
index 540d3dea1b..5150fe9a5a 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.  */
 }