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[Qemu-devel] [PATCH] hw/pl110.c: Add post-load hook to invalidate displa
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH] hw/pl110.c: Add post-load hook to invalidate display |
Date: |
Mon, 19 Dec 2011 22:01:58 +0000 |
Add a post-load hook which invalidates the display. In particular, if we
don't do this and the display size we've just reloaded is larger than
the default then we will segfault trying to read off the end of the buffer.
Signed-off-by: Peter Maydell <address@hidden>
---
hw/pl110.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hw/pl110.c b/hw/pl110.c
index cc1eb6d..be07f56 100644
--- a/hw/pl110.c
+++ b/hw/pl110.c
@@ -60,10 +60,13 @@ typedef struct {
qemu_irq irq;
} pl110_state;
+static int vmstate_pl110_post_load(void *opaque, int version_id);
+
static const VMStateDescription vmstate_pl110 = {
.name = "pl110",
.version_id = 2,
.minimum_version_id = 1,
+ .post_load = vmstate_pl110_post_load,
.fields = (VMStateField[]) {
VMSTATE_INT32(version, pl110_state),
VMSTATE_UINT32_ARRAY(timing, pl110_state, 4),
@@ -430,6 +433,14 @@ static void pl110_mux_ctrl_set(void *opaque, int line, int
level)
s->mux_ctrl = level;
}
+static int vmstate_pl110_post_load(void *opaque, int version_id)
+{
+ pl110_state *s = opaque;
+ /* Make sure we redraw, and at the right size */
+ pl110_invalidate_display(s);
+ return 0;
+}
+
static int pl110_init(SysBusDevice *dev)
{
pl110_state *s = FROM_SYSBUS(pl110_state, dev);
--
1.7.5.4
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