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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] ioemu: move xenfb frontend (used by stubdom) to its own file, since it
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1213691736 -3600
# Node ID 3d99b9d822085d0ebc2c27a912dab3158eec645a
# Parent 0df3bf8aac1e6809eb9c11bb1cb85b3aa555b9ac
ioemu: move xenfb frontend (used by stubdom) to its own file, since it
does not really belong to hw/, but to /, like sdl.c and vnc.c.
Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
---
tools/ioemu/Makefile.target | 3
tools/ioemu/hw/xenfb.c | 317 --------------------------------------------
tools/ioemu/hw/xenfb.h | 2
tools/ioemu/xenfbfront.c | 315 +++++++++++++++++++++++++++++++++++++++++++
4 files changed, 322 insertions(+), 315 deletions(-)
diff -r 0df3bf8aac1e -r 3d99b9d82208 tools/ioemu/Makefile.target
--- a/tools/ioemu/Makefile.target Mon Jun 16 16:35:17 2008 +0100
+++ b/tools/ioemu/Makefile.target Tue Jun 17 09:35:36 2008 +0100
@@ -444,6 +444,9 @@ VL_OBJS+= xen_machine_fv.o
VL_OBJS+= xen_machine_fv.o
VL_OBJS+= xen_machine_pv.o
VL_OBJS+= xenfb.o
+ifdef CONFIG_STUBDOM
+VL_OBJS+= xenfbfront.o
+endif
VL_OBJS+= xen_console.o
ifndef CONFIG_STUBDOM
VL_OBJS+= tpm_tis.o
diff -r 0df3bf8aac1e -r 3d99b9d82208 tools/ioemu/hw/xenfb.c
--- a/tools/ioemu/hw/xenfb.c Mon Jun 16 16:35:17 2008 +0100
+++ b/tools/ioemu/hw/xenfb.c Tue Jun 17 09:35:36 2008 +0100
@@ -19,12 +19,6 @@
#include "xenfb.h"
-#ifdef CONFIG_STUBDOM
-#include <semaphore.h>
-#include <sched.h>
-#include <fbfront.h>
-#endif
-
#ifndef BTN_LEFT
#define BTN_LEFT 0x110 /* from <linux/input.h> */
#endif
@@ -90,7 +84,7 @@ static int xenfb_register_console(struct
* Scancodes are hardware-specific. These maps assumes a
* standard AT or PS/2 keyboard which is what QEMU feeds us.
*/
-static const unsigned char atkbd_set2_keycode[512] = {
+const unsigned char atkbd_set2_keycode[512] = {
0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117,
0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0,
@@ -112,7 +106,7 @@ static const unsigned char atkbd_set2_ke
};
-static const unsigned char atkbd_unxlate_table[128] = {
+const unsigned char atkbd_unxlate_table[128] = {
0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
@@ -1338,313 +1332,6 @@ static int xenfb_register_console(struct
return 0;
}
-#ifdef CONFIG_STUBDOM
-typedef struct XenFBState {
- struct semaphore kbd_sem;
- struct kbdfront_dev *kbd_dev;
- struct fbfront_dev *fb_dev;
- void *vga_vram, *nonshared_vram;
- DisplayState *ds;
-} XenFBState;
-
-XenFBState *xs;
-
-static char *kbd_path, *fb_path;
-
-static unsigned char linux2scancode[KEY_MAX + 1];
-
-int xenfb_connect_vkbd(const char *path)
-{
- kbd_path = strdup(path);
- return 0;
-}
-
-int xenfb_connect_vfb(const char *path)
-{
- fb_path = strdup(path);
- return 0;
-}
-
-static void xenfb_pv_update(DisplayState *ds, int x, int y, int w, int h)
-{
- XenFBState *xs = ds->opaque;
- struct fbfront_dev *fb_dev = xs->fb_dev;
- if (!fb_dev)
- return;
- fbfront_update(fb_dev, x, y, w, h);
-}
-
-static void xenfb_pv_resize_shared(DisplayState *ds, int w, int h, int depth,
int linesize, void *pixels)
-{
- XenFBState *xs = ds->opaque;
- struct fbfront_dev *fb_dev = xs->fb_dev;
- int offset;
-
- fprintf(stderr,"resize to %dx%d@%d, %d required\n", w, h, depth, linesize);
- ds->width = w;
- ds->height = h;
- if (!depth) {
- ds->shared_buf = 0;
- ds->depth = 32;
- } else {
- ds->shared_buf = 1;
- ds->depth = depth;
- }
- if (!linesize)
- ds->shared_buf = 0;
- if (!ds->shared_buf)
- linesize = w * 4;
- ds->linesize = linesize;
- if (!fb_dev)
- return;
- if (ds->shared_buf) {
- offset = pixels - xs->vga_vram;
- ds->data = pixels;
- fbfront_resize(fb_dev, ds->width, ds->height, ds->linesize, ds->depth,
offset);
- } else {
- ds->data = xs->nonshared_vram;
- fbfront_resize(fb_dev, w, h, linesize, ds->depth, VGA_RAM_SIZE);
- }
-}
-
-static void xenfb_pv_resize(DisplayState *ds, int w, int h)
-{
- xenfb_pv_resize_shared(ds, w, h, 0, 0, NULL);
-}
-
-static void xenfb_pv_setdata(DisplayState *ds, void *pixels)
-{
- XenFBState *xs = ds->opaque;
- struct fbfront_dev *fb_dev = xs->fb_dev;
- int offset = pixels - xs->vga_vram;
- ds->data = pixels;
- if (!fb_dev)
- return;
- fbfront_resize(fb_dev, ds->width, ds->height, ds->linesize, ds->depth,
offset);
-}
-
-static void xenfb_pv_refresh(DisplayState *ds)
-{
- vga_hw_update();
-}
-
-static void xenfb_fb_handler(void *opaque)
-{
-#define FB_NUM_BATCH 4
- union xenfb_in_event buf[FB_NUM_BATCH];
- int n, i;
- XenFBState *xs = opaque;
- DisplayState *ds = xs->ds;
-
- n = fbfront_receive(xs->fb_dev, buf, FB_NUM_BATCH);
- for (i = 0; i < n; i++) {
- switch (buf[i].type) {
- case XENFB_TYPE_REFRESH_PERIOD:
- if (buf[i].refresh_period.period == XENFB_NO_REFRESH) {
- /* Sleeping interval */
- ds->idle = 1;
- ds->gui_timer_interval = 500;
- } else {
- /* Set interval */
- ds->idle = 0;
- ds->gui_timer_interval = buf[i].refresh_period.period;
- }
- default:
- /* ignore unknown events */
- break;
- }
- }
-}
-
-static void xenfb_kbd_handler(void *opaque)
-{
-#define KBD_NUM_BATCH 64
- union xenkbd_in_event buf[KBD_NUM_BATCH];
- int n, i;
- XenFBState *xs = opaque;
- DisplayState *s = xs->ds;
- static int buttons;
- static int x, y;
-
- n = kbdfront_receive(xs->kbd_dev, buf, KBD_NUM_BATCH);
- for (i = 0; i < n; i++) {
- switch (buf[i].type) {
-
- case XENKBD_TYPE_MOTION:
- fprintf(stderr, "FB backend sent us relative mouse motion
event!\n");
- break;
-
- case XENKBD_TYPE_POS:
- {
- int new_x = buf[i].pos.abs_x;
- int new_y = buf[i].pos.abs_y;
- if (new_x >= s->width)
- new_x = s->width - 1;
- if (new_y >= s->height)
- new_y = s->height - 1;
- if (kbd_mouse_is_absolute()) {
- kbd_mouse_event(
- new_x * 0x7FFF / (s->width - 1),
- new_y * 0x7FFF / (s->height - 1),
- buf[i].pos.rel_z,
- buttons);
- } else {
- kbd_mouse_event(
- new_x - x,
- new_y - y,
- buf[i].pos.rel_z,
- buttons);
- }
- x = new_x;
- y = new_y;
- break;
- }
-
- case XENKBD_TYPE_KEY:
- {
- int keycode = buf[i].key.keycode;
- int button = 0;
-
- if (keycode == BTN_LEFT)
- button = MOUSE_EVENT_LBUTTON;
- else if (keycode == BTN_RIGHT)
- button = MOUSE_EVENT_RBUTTON;
- else if (keycode == BTN_MIDDLE)
- button = MOUSE_EVENT_MBUTTON;
-
- if (button) {
- if (buf[i].key.pressed)
- buttons |= button;
- else
- buttons &= ~button;
- if (kbd_mouse_is_absolute())
- kbd_mouse_event(
- x * 0x7FFF / (s->width - 1),
- y * 0x7FFF / (s->height - 1),
- 0,
- buttons);
- else
- kbd_mouse_event(0, 0, 0, buttons);
- } else {
- int scancode = linux2scancode[keycode];
- if (!scancode) {
- fprintf(stderr, "Can't convert keycode %x to
scancode\n", keycode);
- break;
- }
- if (scancode & 0x80) {
- kbd_put_keycode(0xe0);
- scancode &= 0x7f;
- }
- if (!buf[i].key.pressed)
- scancode |= 0x80;
- kbd_put_keycode(scancode);
- }
- break;
- }
- }
- }
-}
-
-static void kbdfront_thread(void *p)
-{
- int scancode, keycode;
- XenFBState *xs = p;
- xs->kbd_dev = init_kbdfront(kbd_path, 1);
- if (!xs->kbd_dev) {
- fprintf(stderr,"can't open keyboard\n");
- exit(1);
- }
- up(&xs->kbd_sem);
- for (scancode = 0; scancode < 128; scancode++) {
- keycode = atkbd_set2_keycode[atkbd_unxlate_table[scancode]];
- linux2scancode[keycode] = scancode;
- keycode = atkbd_set2_keycode[atkbd_unxlate_table[scancode] | 0x80];
- linux2scancode[keycode] = scancode | 0x80;
- }
-}
-
-int xenfb_pv_display_init(DisplayState *ds)
-{
- if (!fb_path || !kbd_path)
- return -1;
-
- xs = qemu_mallocz(sizeof(XenFBState));
- if (!xs)
- return -1;
-
- init_SEMAPHORE(&xs->kbd_sem, 0);
- xs->ds = ds;
-
- create_thread("kbdfront", kbdfront_thread, (void*) xs);
-
- ds->data = xs->nonshared_vram = qemu_memalign(PAGE_SIZE, VGA_RAM_SIZE);
- memset(ds->data, 0, VGA_RAM_SIZE);
- ds->opaque = xs;
- ds->depth = 32;
- ds->bgr = 0;
- ds->width = 640;
- ds->height = 400;
- ds->linesize = 640 * 4;
- ds->dpy_update = xenfb_pv_update;
- ds->dpy_resize = xenfb_pv_resize;
- ds->dpy_resize_shared = xenfb_pv_resize_shared;
- ds->dpy_setdata = xenfb_pv_setdata;
- ds->dpy_refresh = xenfb_pv_refresh;
- return 0;
-}
-
-int xenfb_pv_display_start(void *data)
-{
- DisplayState *ds;
- struct fbfront_dev *fb_dev;
- int kbd_fd, fb_fd;
- int offset = 0;
- unsigned long *mfns;
- int n = VGA_RAM_SIZE / PAGE_SIZE;
- int i;
-
- if (!fb_path || !kbd_path)
- return 0;
-
- ds = xs->ds;
- xs->vga_vram = data;
- mfns = malloc(2 * n * sizeof(*mfns));
- for (i = 0; i < n; i++)
- mfns[i] = virtual_to_mfn(xs->vga_vram + i * PAGE_SIZE);
- for (i = 0; i < n; i++)
- mfns[n + i] = virtual_to_mfn(xs->nonshared_vram + i * PAGE_SIZE);
-
- fb_dev = init_fbfront(fb_path, mfns, ds->width, ds->height, ds->depth,
ds->linesize, 2 * n);
- free(mfns);
- if (!fb_dev) {
- fprintf(stderr,"can't open frame buffer\n");
- exit(1);
- }
- free(fb_path);
-
- if (ds->shared_buf) {
- offset = (void*) ds->data - xs->vga_vram;
- } else {
- offset = VGA_RAM_SIZE;
- ds->data = xs->nonshared_vram;
- }
- if (offset)
- fbfront_resize(fb_dev, ds->width, ds->height, ds->linesize, ds->depth,
offset);
-
- down(&xs->kbd_sem);
- free(kbd_path);
-
- kbd_fd = kbdfront_open(xs->kbd_dev);
- qemu_set_fd_handler(kbd_fd, xenfb_kbd_handler, NULL, xs);
-
- fb_fd = fbfront_open(fb_dev);
- qemu_set_fd_handler(fb_fd, xenfb_fb_handler, NULL, xs);
-
- xs->fb_dev = fb_dev;
- return 0;
-}
-#endif
-
/*
* Local variables:
* c-indent-level: 8
diff -r 0df3bf8aac1e -r 3d99b9d82208 tools/ioemu/hw/xenfb.h
--- a/tools/ioemu/hw/xenfb.h Mon Jun 16 16:35:17 2008 +0100
+++ b/tools/ioemu/hw/xenfb.h Tue Jun 17 09:35:36 2008 +0100
@@ -9,5 +9,7 @@ struct xenfb;
struct xenfb *xenfb_new(int domid, DisplayState *ds);
void xenfb_shutdown(struct xenfb *xenfb);
+extern const unsigned char atkbd_set2_keycode[512];
+extern const unsigned char atkbd_unxlate_table[128];
#endif
diff -r 0df3bf8aac1e -r 3d99b9d82208 tools/ioemu/xenfbfront.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/ioemu/xenfbfront.c Tue Jun 17 09:35:36 2008 +0100
@@ -0,0 +1,315 @@
+#include <stdint.h>
+#include <xen/io/fbif.h>
+#include <xen/io/kbdif.h>
+#include <semaphore.h>
+#include <sched.h>
+#include <fbfront.h>
+
+#include <hw/xenfb.h>
+
+#include "vl.h"
+
+typedef struct XenFBState {
+ struct semaphore kbd_sem;
+ struct kbdfront_dev *kbd_dev;
+ struct fbfront_dev *fb_dev;
+ void *vga_vram, *nonshared_vram;
+ DisplayState *ds;
+} XenFBState;
+
+XenFBState *xs;
+
+static char *kbd_path, *fb_path;
+
+static unsigned char linux2scancode[KEY_MAX + 1];
+
+int xenfb_connect_vkbd(const char *path)
+{
+ kbd_path = strdup(path);
+ return 0;
+}
+
+int xenfb_connect_vfb(const char *path)
+{
+ fb_path = strdup(path);
+ return 0;
+}
+
+static void xenfb_pv_update(DisplayState *ds, int x, int y, int w, int h)
+{
+ XenFBState *xs = ds->opaque;
+ struct fbfront_dev *fb_dev = xs->fb_dev;
+ if (!fb_dev)
+ return;
+ fbfront_update(fb_dev, x, y, w, h);
+}
+
+static void xenfb_pv_resize_shared(DisplayState *ds, int w, int h, int depth,
int linesize, void *pixels)
+{
+ XenFBState *xs = ds->opaque;
+ struct fbfront_dev *fb_dev = xs->fb_dev;
+ int offset;
+
+ fprintf(stderr,"resize to %dx%d@%d, %d required\n", w, h, depth, linesize);
+ ds->width = w;
+ ds->height = h;
+ if (!depth) {
+ ds->shared_buf = 0;
+ ds->depth = 32;
+ } else {
+ ds->shared_buf = 1;
+ ds->depth = depth;
+ }
+ if (!linesize)
+ ds->shared_buf = 0;
+ if (!ds->shared_buf)
+ linesize = w * 4;
+ ds->linesize = linesize;
+ if (!fb_dev)
+ return;
+ if (ds->shared_buf) {
+ offset = pixels - xs->vga_vram;
+ ds->data = pixels;
+ fbfront_resize(fb_dev, ds->width, ds->height, ds->linesize, ds->depth,
offset);
+ } else {
+ ds->data = xs->nonshared_vram;
+ fbfront_resize(fb_dev, w, h, linesize, ds->depth, VGA_RAM_SIZE);
+ }
+}
+
+static void xenfb_pv_resize(DisplayState *ds, int w, int h)
+{
+ xenfb_pv_resize_shared(ds, w, h, 0, 0, NULL);
+}
+
+static void xenfb_pv_setdata(DisplayState *ds, void *pixels)
+{
+ XenFBState *xs = ds->opaque;
+ struct fbfront_dev *fb_dev = xs->fb_dev;
+ int offset = pixels - xs->vga_vram;
+ ds->data = pixels;
+ if (!fb_dev)
+ return;
+ fbfront_resize(fb_dev, ds->width, ds->height, ds->linesize, ds->depth,
offset);
+}
+
+static void xenfb_pv_refresh(DisplayState *ds)
+{
+ vga_hw_update();
+}
+
+static void xenfb_fb_handler(void *opaque)
+{
+#define FB_NUM_BATCH 4
+ union xenfb_in_event buf[FB_NUM_BATCH];
+ int n, i;
+ XenFBState *xs = opaque;
+ DisplayState *ds = xs->ds;
+
+ n = fbfront_receive(xs->fb_dev, buf, FB_NUM_BATCH);
+ for (i = 0; i < n; i++) {
+ switch (buf[i].type) {
+ case XENFB_TYPE_REFRESH_PERIOD:
+ if (buf[i].refresh_period.period == XENFB_NO_REFRESH) {
+ /* Sleeping interval */
+ ds->idle = 1;
+ ds->gui_timer_interval = 500;
+ } else {
+ /* Set interval */
+ ds->idle = 0;
+ ds->gui_timer_interval = buf[i].refresh_period.period;
+ }
+ default:
+ /* ignore unknown events */
+ break;
+ }
+ }
+}
+
+static void xenfb_kbd_handler(void *opaque)
+{
+#define KBD_NUM_BATCH 64
+ union xenkbd_in_event buf[KBD_NUM_BATCH];
+ int n, i;
+ XenFBState *xs = opaque;
+ DisplayState *s = xs->ds;
+ static int buttons;
+ static int x, y;
+
+ n = kbdfront_receive(xs->kbd_dev, buf, KBD_NUM_BATCH);
+ for (i = 0; i < n; i++) {
+ switch (buf[i].type) {
+
+ case XENKBD_TYPE_MOTION:
+ fprintf(stderr, "FB backend sent us relative mouse motion
event!\n");
+ break;
+
+ case XENKBD_TYPE_POS:
+ {
+ int new_x = buf[i].pos.abs_x;
+ int new_y = buf[i].pos.abs_y;
+ if (new_x >= s->width)
+ new_x = s->width - 1;
+ if (new_y >= s->height)
+ new_y = s->height - 1;
+ if (kbd_mouse_is_absolute()) {
+ kbd_mouse_event(
+ new_x * 0x7FFF / (s->width - 1),
+ new_y * 0x7FFF / (s->height - 1),
+ buf[i].pos.rel_z,
+ buttons);
+ } else {
+ kbd_mouse_event(
+ new_x - x,
+ new_y - y,
+ buf[i].pos.rel_z,
+ buttons);
+ }
+ x = new_x;
+ y = new_y;
+ break;
+ }
+
+ case XENKBD_TYPE_KEY:
+ {
+ int keycode = buf[i].key.keycode;
+ int button = 0;
+
+ if (keycode == BTN_LEFT)
+ button = MOUSE_EVENT_LBUTTON;
+ else if (keycode == BTN_RIGHT)
+ button = MOUSE_EVENT_RBUTTON;
+ else if (keycode == BTN_MIDDLE)
+ button = MOUSE_EVENT_MBUTTON;
+
+ if (button) {
+ if (buf[i].key.pressed)
+ buttons |= button;
+ else
+ buttons &= ~button;
+ if (kbd_mouse_is_absolute())
+ kbd_mouse_event(
+ x * 0x7FFF / (s->width - 1),
+ y * 0x7FFF / (s->height - 1),
+ 0,
+ buttons);
+ else
+ kbd_mouse_event(0, 0, 0, buttons);
+ } else {
+ int scancode = linux2scancode[keycode];
+ if (!scancode) {
+ fprintf(stderr, "Can't convert keycode %x to
scancode\n", keycode);
+ break;
+ }
+ if (scancode & 0x80) {
+ kbd_put_keycode(0xe0);
+ scancode &= 0x7f;
+ }
+ if (!buf[i].key.pressed)
+ scancode |= 0x80;
+ kbd_put_keycode(scancode);
+ }
+ break;
+ }
+ }
+ }
+}
+
+static void kbdfront_thread(void *p)
+{
+ int scancode, keycode;
+ XenFBState *xs = p;
+ xs->kbd_dev = init_kbdfront(kbd_path, 1);
+ if (!xs->kbd_dev) {
+ fprintf(stderr,"can't open keyboard\n");
+ exit(1);
+ }
+ up(&xs->kbd_sem);
+ for (scancode = 0; scancode < 128; scancode++) {
+ keycode = atkbd_set2_keycode[atkbd_unxlate_table[scancode]];
+ linux2scancode[keycode] = scancode;
+ keycode = atkbd_set2_keycode[atkbd_unxlate_table[scancode] | 0x80];
+ linux2scancode[keycode] = scancode | 0x80;
+ }
+}
+
+int xenfb_pv_display_init(DisplayState *ds)
+{
+ if (!fb_path || !kbd_path)
+ return -1;
+
+ xs = qemu_mallocz(sizeof(XenFBState));
+ if (!xs)
+ return -1;
+
+ init_SEMAPHORE(&xs->kbd_sem, 0);
+ xs->ds = ds;
+
+ create_thread("kbdfront", kbdfront_thread, (void*) xs);
+
+ ds->data = xs->nonshared_vram = qemu_memalign(PAGE_SIZE, VGA_RAM_SIZE);
+ memset(ds->data, 0, VGA_RAM_SIZE);
+ ds->opaque = xs;
+ ds->depth = 32;
+ ds->bgr = 0;
+ ds->width = 640;
+ ds->height = 400;
+ ds->linesize = 640 * 4;
+ ds->dpy_update = xenfb_pv_update;
+ ds->dpy_resize = xenfb_pv_resize;
+ ds->dpy_resize_shared = xenfb_pv_resize_shared;
+ ds->dpy_setdata = xenfb_pv_setdata;
+ ds->dpy_refresh = xenfb_pv_refresh;
+ return 0;
+}
+
+int xenfb_pv_display_start(void *data)
+{
+ DisplayState *ds;
+ struct fbfront_dev *fb_dev;
+ int kbd_fd, fb_fd;
+ int offset = 0;
+ unsigned long *mfns;
+ int n = VGA_RAM_SIZE / PAGE_SIZE;
+ int i;
+
+ if (!fb_path || !kbd_path)
+ return 0;
+
+ ds = xs->ds;
+ xs->vga_vram = data;
+ mfns = malloc(2 * n * sizeof(*mfns));
+ for (i = 0; i < n; i++)
+ mfns[i] = virtual_to_mfn(xs->vga_vram + i * PAGE_SIZE);
+ for (i = 0; i < n; i++)
+ mfns[n + i] = virtual_to_mfn(xs->nonshared_vram + i * PAGE_SIZE);
+
+ fb_dev = init_fbfront(fb_path, mfns, ds->width, ds->height, ds->depth,
ds->linesize, 2 * n);
+ free(mfns);
+ if (!fb_dev) {
+ fprintf(stderr,"can't open frame buffer\n");
+ exit(1);
+ }
+ free(fb_path);
+
+ if (ds->shared_buf) {
+ offset = (void*) ds->data - xs->vga_vram;
+ } else {
+ offset = VGA_RAM_SIZE;
+ ds->data = xs->nonshared_vram;
+ }
+ if (offset)
+ fbfront_resize(fb_dev, ds->width, ds->height, ds->linesize, ds->depth,
offset);
+
+ down(&xs->kbd_sem);
+ free(kbd_path);
+
+ kbd_fd = kbdfront_open(xs->kbd_dev);
+ qemu_set_fd_handler(kbd_fd, xenfb_kbd_handler, NULL, xs);
+
+ fb_fd = fbfront_open(fb_dev);
+ qemu_set_fd_handler(fb_fd, xenfb_fb_handler, NULL, xs);
+
+ xs->fb_dev = fb_dev;
+ return 0;
+}
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