generic-poky/meta/packages/qemu/qemu-0.12.4/qemu-vmware-vga-depth.patch

116 lines
3.5 KiB
Diff

# fix VMware VGA driver depth calculation error, which may cause segmentation fault
#
# ktian1, 06/29/2010
diff --git a/console.h b/console.h
index dfc8ae4..05fbf17 100644
--- a/console.h
+++ b/console.h
@@ -122,6 +122,12 @@ struct DisplayAllocator {
void (*free_displaysurface)(DisplaySurface *surface);
};
+struct DisplayPostCallback {
+ void (*postcall) (void *);
+ void *parm;
+ struct DisplayPostCallback *next;
+};
+
struct DisplayState {
struct DisplaySurface *surface;
void *opaque;
@@ -129,6 +135,7 @@ struct DisplayState {
struct DisplayAllocator* allocator;
struct DisplayChangeListener* listeners;
+ struct DisplayPostCallback* postcalls;
void (*mouse_set)(int x, int y, int on);
void (*cursor_define)(int width, int height, int bpp, int hot_x, int hot_y,
@@ -185,6 +192,12 @@ static inline void register_displaychangelistener(DisplayState *ds, DisplayChang
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;
diff --git a/hw/vmware_vga.c b/hw/vmware_vga.c
index 01bb85b..d73cca6 100644
--- a/hw/vmware_vga.c
+++ b/hw/vmware_vga.c
@@ -927,8 +927,9 @@ static void vmsvga_update_display(void *opaque)
}
}
-static void vmsvga_reset(struct vmsvga_state_s *s)
+static void vmsvga_reset(void *parm)
{
+ struct vmsvga_state_s *s = (struct vmsvga_state_s *)parm;
s->index = 0;
s->enable = 0;
s->config = 0;
@@ -1133,6 +1134,8 @@ static const VMStateDescription vmstate_vmware_vga = {
static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size)
{
+ DisplayPostCallback *dpc;
+
s->scratch_size = SVGA_SCRATCH_SIZE;
s->scratch = qemu_malloc(s->scratch_size * 4);
@@ -1160,7 +1163,10 @@ static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size)
rom_add_vga(VGABIOS_FILENAME);
- vmsvga_reset(s);
+ dpc = qemu_mallocz(sizeof(DisplayPostCallback));
+ dpc->postcall = vmsvga_reset;
+ dpc->parm = s;
+ register_displaypostcallback(s->vga.ds, dpc);
}
static void pci_vmsvga_map_ioport(PCIDevice *pci_dev, int region_num,
diff --git a/qemu-common.h b/qemu-common.h
index a23afbc..19f107a 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -198,6 +198,7 @@ typedef struct DisplayState DisplayState;
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;
diff --git a/vl.c b/vl.c
index 39182ea..9a3e9fd 100644
--- a/vl.c
+++ b/vl.c
@@ -4863,6 +4863,7 @@ int main(int argc, char **argv, char **envp)
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;
int optind;
@@ -6053,6 +6053,13 @@ int main(int argc, char **argv, char **envp)
}
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) {