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# fix VMware VGA driver depth calculation error, which may cause segmentation fault
#
# ktian1, 06/29/2010
Upstream-Status: Pending
Index: qemu-1.2.0/console.h
===================================================================
--- qemu-1.2.0.orig/console.h 2012-09-06 14:12:23.371832381 -0700
+++ qemu-1.2.0/console.h 2012-09-06 14:12:23.627832390 -0700
@@ -171,6 +171,12 @@
void (*free_displaysurface)(DisplaySurface *surface);
};
+struct DisplayPostCallback {
+ void (*postcall) (void *);
+ void *parm;
+ struct DisplayPostCallback *next;
+};
+
struct DisplayState {
struct DisplaySurface *surface;
void *opaque;
@@ -178,6 +184,7 @@
struct DisplayAllocator* allocator;
struct DisplayChangeListener* listeners;
+ struct DisplayPostCallback* postcalls;
void (*mouse_set)(int x, int y, int on);
void (*cursor_define)(QEMUCursor *cursor);
@@ -233,6 +240,12 @@
ds->listeners = dcl;
}
+static inline void register_displaypostcallback(DisplayState *ds, DisplayPostCallback *dpc)
+{
+ dpc->next = ds->postcalls;
+ ds->postcalls = dpc;
+}
+
static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)
{
struct DisplayChangeListener *dcl = s->listeners;
Index: qemu-1.2.0/hw/vmware_vga.c
===================================================================
--- qemu-1.2.0.orig/hw/vmware_vga.c 2012-09-06 14:12:23.371832381 -0700
+++ qemu-1.2.0/hw/vmware_vga.c 2012-09-06 14:18:05.595845288 -0700
@@ -1081,6 +1081,8 @@
static void vmsvga_init(struct vmsvga_state_s *s,
MemoryRegion *address_space, MemoryRegion *io)
{
+ DisplayPostCallback *dpc;
+
s->scratch_size = SVGA_SCRATCH_SIZE;
s->scratch = g_malloc(s->scratch_size * 4);
@@ -1098,6 +1100,10 @@
vga_common_init(&s->vga);
vga_init(&s->vga, address_space, io, true);
vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
+ dpc = g_malloc0(sizeof(DisplayPostCallback));
+ dpc->postcall = vmsvga_reset;
+ dpc->parm = s;
+ register_displaypostcallback(s->vga.ds, dpc);
s->depth = ds_get_bits_per_pixel(s->vga.ds);
s->bypp = ds_get_bytes_per_pixel(s->vga.ds);
Index: qemu-1.2.0/qemu-common.h
===================================================================
--- qemu-1.2.0.orig/qemu-common.h 2012-09-06 14:12:23.371832381 -0700
+++ qemu-1.2.0/qemu-common.h 2012-09-06 14:12:23.643832391 -0700
@@ -250,6 +250,7 @@
typedef struct DisplayChangeListener DisplayChangeListener;
typedef struct DisplaySurface DisplaySurface;
typedef struct DisplayAllocator DisplayAllocator;
+typedef struct DisplayPostCallback DisplayPostCallback;
typedef struct PixelFormat PixelFormat;
typedef struct TextConsole TextConsole;
typedef TextConsole QEMUConsole;
Index: qemu-1.2.0/vl.c
===================================================================
--- qemu-1.2.0.orig/vl.c 2012-09-06 14:12:23.371832381 -0700
+++ qemu-1.2.0/vl.c 2012-09-06 14:17:32.635844142 -0700
@@ -2352,6 +2352,7 @@
char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
DisplayState *ds;
DisplayChangeListener *dcl;
+ DisplayPostCallback *dpc;
int cyls, heads, secs, translation;
QemuOpts *hda_opts = NULL, *opts, *machine_opts;
QemuOptsList *olist;
@@ -3699,6 +3700,13 @@
/* display setup */
dpy_resize(ds);
+ dpc = ds->postcalls;
+ while (dpc != NULL) {
+ if (dpc->postcall != NULL)
+ dpc->postcall(dpc->parm);
+ dpc = dpc->next;
+ }
+
dcl = ds->listeners;
while (dcl != NULL) {
if (dcl->dpy_refresh != NULL) {
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