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Re: [Qemu-devel] [PATCH 1/2] fbdev: add linux framebuffer display driver


From: Luiz Capitulino
Subject: Re: [Qemu-devel] [PATCH 1/2] fbdev: add linux framebuffer display driver.
Date: Wed, 26 Jun 2013 11:48:34 -0400

On Wed, 26 Jun 2013 13:38:03 +0200
Gerd Hoffmann <address@hidden> wrote:

> Display works, requires truecolor framebuffer with 16 or 32 bpp on the
> host.  32bpp is recommended.  The framebuffer is used as-is, qemu
> doesn't try to switch modes.  With LCD displays mode switching is pretty
> pointless IMHO, also it wouldn't work anyway with the most common
> fbdev drivers (vesafb, KMS).  Guest display is centered on the host
> screen.
> 
> Mouse works, uses /dev/input/mice.
> 
> Keyboard works.  Guest screen has whatever keymap you load inside
> the guest.  Text windows (monitor, serial, ...) have a simple en-us
> keymap.  Good enough to type monitor commands.  Not goot enough to
> work seriously on a serial terminal.  But the qemu terminal emulation
> isn't good enough for that anyway ;)
> 
> Hot keys:
>   Ctrl-Alt-F<nr>  -> host console switching.
>   Ctrl-Alt-<nr>   -> qemu console switching.
>   Ctrl-Alt-S      -> toggle display scaling.
>   Ctrl-Alt-ESC    -> exit qemu.
> 
> Special feature:  Sane console switching.  Switching away stops screen
> updates.  Switching back redraws the screen.  When started from the
> linux console qemu uses the vt you've started it from (requires just
> read/write access to /dev/fb0).  When starting from somewhere else qemu
> tries to open a unused virtual terminal and switch to it (usually
> requires root privileges to open /dev/tty<nr>).
> 
> Signed-off-by: Gerd Hoffmann <address@hidden>
> ---
>  configure               |   12 +
>  include/sysemu/sysemu.h |    1 +
>  include/ui/console.h    |    4 +
>  qemu-options.hx         |    4 +-
>  trace-events            |   14 +
>  ui/Makefile.objs        |    1 +
>  ui/fbdev.c              | 1164 
> +++++++++++++++++++++++++++++++++++++++++++++++
>  ui/linux-keynames.h     |  388 ++++++++++++++++
>  vl.c                    |   21 +
>  9 files changed, 1608 insertions(+), 1 deletion(-)
>  create mode 100644 ui/fbdev.c
>  create mode 100644 ui/linux-keynames.h
> 
> diff --git a/configure b/configure
> index 0e0adde..391e645 100755
> --- a/configure
> +++ b/configure
> @@ -158,6 +158,7 @@ fdt=""
>  nptl=""
>  pixman=""
>  sdl=""
> +fbdev="no"
>  virtfs=""
>  vnc="yes"
>  sparse="no"
> @@ -549,6 +550,7 @@ Haiku)
>    kvm="yes"
>    vhost_net="yes"
>    vhost_scsi="yes"
> +  fbdev="yes"
>    if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
>      audio_possible_drivers="$audio_possible_drivers fmod"
>    fi
> @@ -700,6 +702,10 @@ for opt do
>    ;;
>    --enable-qom-cast-debug) qom_cast_debug="yes"
>    ;;
> +  --disable-fbdev) fbdev="no"
> +  ;;
> +  --enable-fbdev) fbdev="yes"
> +  ;;
>    --disable-virtfs) virtfs="no"
>    ;;
>    --enable-virtfs) virtfs="yes"
> @@ -1051,6 +1057,8 @@ echo "  --disable-sdl            disable SDL"
>  echo "  --enable-sdl             enable SDL"
>  echo "  --disable-gtk            disable gtk UI"
>  echo "  --enable-gtk             enable gtk UI"
> +echo "  --disable-fbdev          disable linux framebuffer"
> +echo "  --enable-fbdev           enable linux framebuffer"
>  echo "  --disable-virtfs         disable VirtFS"
>  echo "  --enable-virtfs          enable VirtFS"
>  echo "  --disable-vnc            disable VNC"
> @@ -3492,6 +3500,7 @@ fi
>  echo "pixman            $pixman"
>  echo "SDL support       $sdl"
>  echo "GTK support       $gtk"
> +echo "fbdev support     $fbdev"
>  echo "curses support    $curses"
>  echo "curl support      $curl"
>  echo "mingw32 support   $mingw32"
> @@ -3722,6 +3731,9 @@ if test "$sdl" = "yes" ; then
>    echo "CONFIG_SDL=y" >> $config_host_mak
>    echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
>  fi
> +if test "$fbdev" = "yes" ; then
> +  echo "CONFIG_FBDEV=y" >> $config_host_mak
> +fi
>  if test "$cocoa" = "yes" ; then
>    echo "CONFIG_COCOA=y" >> $config_host_mak
>  fi
> diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
> index 2fb71af..5922311 100644
> --- a/include/sysemu/sysemu.h
> +++ b/include/sysemu/sysemu.h
> @@ -91,6 +91,7 @@ typedef enum DisplayType
>      DT_CURSES,
>      DT_SDL,
>      DT_GTK,
> +    DT_FBDEV,
>      DT_NOGRAPHIC,
>      DT_NONE,
>  } DisplayType;
> diff --git a/include/ui/console.h b/include/ui/console.h
> index 98edf41..71b538a 100644
> --- a/include/ui/console.h
> +++ b/include/ui/console.h
> @@ -308,6 +308,10 @@ void register_vc_handler(VcHandler *handler);
>  /* sdl.c */
>  void sdl_display_init(DisplayState *ds, int full_screen, int no_frame);
>  
> +/* fbdev.c */
> +int fbdev_display_init(const char *device, bool scale, Error **err);
> +void fbdev_display_uninit(void);
> +
>  /* cocoa.m */
>  void cocoa_display_init(DisplayState *ds, int full_screen);
>  
> diff --git a/qemu-options.hx b/qemu-options.hx
> index ca6fdf6..259e76f 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -804,7 +804,7 @@ ETEXI
>  
>  DEF("display", HAS_ARG, QEMU_OPTION_display,
>      "-display sdl[,frame=on|off][,alt_grab=on|off][,ctrl_grab=on|off]\n"
> -    "            [,window_close=on|off]|curses|none|\n"
> +    "            [,window_close=on|off]|curses|fbdev|none|\n"
>      "            vnc=<display>[,<optargs>]\n"
>      "                select display type\n", QEMU_ARCH_ALL)
>  STEXI
> @@ -822,6 +822,8 @@ support a text mode, QEMU can display this output using a
>  curses/ncurses interface. Nothing is displayed when the graphics
>  device is in graphical mode or if the graphics device does not support
>  a text mode. Generally only the VGA device models support text mode.
> address@hidden fbdev
> +Display video output on a linux framebuffer console.
>  @item none
>  Do not display video output. The guest will still see an emulated
>  graphics card, but its output will not be displayed to the QEMU
> diff --git a/trace-events b/trace-events
> index c5f1ccb..7a73b2a 100644
> --- a/trace-events
> +++ b/trace-events
> @@ -1161,3 +1161,17 @@ kvm_run_exit(int cpu_index, uint32_t reason) 
> "cpu_index %d, reason %d"
>  # qom/object.c
>  object_dynamic_cast_assert(const char *type, const char *target, const char 
> *file, int line, const char *func) "%s->%s (%s:%d:%s)"
>  object_class_dynamic_cast_assert(const char *type, const char *target, const 
> char *file, int line, const char *func) "%s->%s (%s:%d:%s)"
> +
> +# ui/fbdev.c
> +fbdev_enabled(void) ""
> +fbdev_cleanup(void) ""
> +fbdev_vt_activate(int vtno, int wait) "vtno %d, wait %d"
> +fbdev_vt_activated(void) ""
> +fbdev_vt_release_request(void) ""
> +fbdev_vt_released(void) ""
> +fbdev_vt_aquire_request(void) ""
> +fbdev_vt_aquired(void) ""
> +fbdev_kbd_raw(int enable) "enable %d"
> +fbdev_kbd_event(int keycode, const char *kname, int up) "keycode 0x%x [%s], 
> down %d"
> +fbdev_dpy_resize(int w, int h) "%dx%d"
> +fbdev_dpy_redraw(void)
> diff --git a/ui/Makefile.objs b/ui/Makefile.objs
> index 6ddc0de..ee96ad5 100644
> --- a/ui/Makefile.objs
> +++ b/ui/Makefile.objs
> @@ -14,6 +14,7 @@ common-obj-$(CONFIG_COCOA) += cocoa.o
>  common-obj-$(CONFIG_CURSES) += curses.o
>  common-obj-$(CONFIG_VNC) += $(vnc-obj-y)
>  common-obj-$(CONFIG_GTK) += gtk.o x_keymap.o
> +common-obj-$(CONFIG_FBDEV) += fbdev.o
>  
>  $(obj)/sdl.o $(obj)/sdl_zoom.o: QEMU_CFLAGS += $(SDL_CFLAGS) 
>  
> diff --git a/ui/fbdev.c b/ui/fbdev.c
> new file mode 100644
> index 0000000..91e11e5
> --- /dev/null
> +++ b/ui/fbdev.c
> @@ -0,0 +1,1164 @@
> +/*
> + * linux fbdev output driver.
> + *
> + * Author: Gerd Hoffmann <address@hidden>
> + *
> + * This work is licensed under the terms of the GNU GPL, version 2 or later.
> + * See the COPYING file in the top-level directory.
> + *
> + */
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <stdbool.h>
> +#include <string.h>
> +#include <unistd.h>
> +#include <fcntl.h>
> +#include <signal.h>
> +#include <termios.h>
> +
> +#include <sys/ioctl.h>
> +#include <sys/mman.h>
> +
> +#include <linux/kd.h>
> +#include <linux/vt.h>
> +#include <linux/fb.h>
> +
> +#include "qemu-common.h"
> +#include "keymaps.h"
> +#include "ui/qemu-pixman.h"
> +#include "ui/console.h"
> +#include "sysemu/sysemu.h"
> +
> +/*
> + * must be last so we get the linux input layer
> + * KEY_* defines, not the ncurses ones.
> + */
> +#include <linux/input.h>
> +
> +/* -------------------------------------------------------------------- */
> +
> +typedef struct FBDevState {
> +    /* file handles */
> +    int                        tty, fb, mice;
> +
> +    /* saved state, for restore on exit */
> +    int                        orig_vtno;
> +    int                        kd_omode;
> +    struct vt_mode             vt_omode;
> +    struct fb_var_screeninfo   fb_ovar;
> +
> +    /* framebuffer */
> +    char                       *device;
> +    struct fb_fix_screeninfo   fb_fix;
> +    struct fb_var_screeninfo   fb_var;
> +    uint8_t                    *fb_mem;
> +    int                        fb_mem_offset;
> +
> +    /* linux console */
> +    int                        vtno;
> +    struct vt_mode             vt_mode;
> +    struct termios             tty_attributes;
> +    unsigned long              tty_mode;
> +    unsigned int               tty_flags;
> +    bool                       tty_mediumraw;
> +    bool                       key_down[KEY_CNT];
> +
> +    /* qemu windup */
> +    DisplayChangeListener      dcl;
> +    int                        resize_screen;
> +    int                        redraw_screen;
> +    int                        cx, cy, cw, ch;
> +    Notifier                   exit_notifier;
> +    DisplaySurface             *surface;
> +    pixman_image_t             *sref, *swork;
> +    pixman_image_t             *framebuffer;
> +    pixman_transform_t         transform;
> +    pixman_region16_t          dirty;
> +    double                     scale;
> +
> +    QEMUCursor                 *ptr_cursor;
> +    pixman_image_t             *ptr_image;
> +    int                        ptr_refresh;
> +    int                        px, py, pw, ph;
> +    int                        mx, my, mon, ax, ay;
> +
> +    /* options */
> +    int                        use_scale;
> +    pixman_filter_t            pfilter;
> +} FBDevState;
> +
> +static FBDevState *fb;
> +
> +/* console switching */
> +#define SIG_ACQ      (SIGRTMIN+6)
> +#define SIG_REL      (SIGRTMIN+7)
> +#define FB_ACTIVE    0
> +#define FB_REL_REQ   1
> +#define FB_INACTIVE  2
> +#define FB_ACQ_REQ   3
> +int fb_switch_state;
> +
> +/* fwd decls */
> +static int fbdev_activate_vt(int tty, int vtno, bool wait);
> +
> +/* -------------------------------------------------------------------- */
> +/* pixman helpers                                                       */
> +
> +static pixman_image_t *pixman_from_framebuffer(FBDevState *s)
> +{
> +    pixman_format_code_t format;
> +    pixman_image_t *image;
> +    int type;
> +
> +    type = qemu_pixman_get_type(s->fb_var.red.offset,
> +                                s->fb_var.green.offset,
> +                                s->fb_var.blue.offset);
> +    format = PIXMAN_FORMAT(s->fb_var.bits_per_pixel, type,
> +                           s->fb_var.transp.length,
> +                           s->fb_var.red.length,
> +                           s->fb_var.green.length,
> +                           s->fb_var.blue.length);
> +    image = pixman_image_create_bits(format, s->fb_var.xres, s->fb_var.yres,
> +                                     (void *)s->fb_mem, 
> s->fb_fix.line_length);
> +    return image;
> +}
> +
> +static pixman_image_t *pixman_image_clone(pixman_image_t *i)
> +{
> +    return pixman_image_create_bits(pixman_image_get_format(i),
> +                                    pixman_image_get_width(i),
> +                                    pixman_image_get_height(i),
> +                                    pixman_image_get_data(i),
> +                                    pixman_image_get_stride(i));
> +}
> +
> +/* -------------------------------------------------------------------- */
> +/* mouse                                                                */
> +
> +static void read_mouse(void *opaque)
> +{
> +    FBDevState *s = opaque;
> +    int8_t buf[3];
> +    int rc, x, y, b;
> +
> +    rc = read(s->mice, buf, sizeof(buf));
> +    if (rc != sizeof(buf)) {
> +        return;
> +    }
> +
> +    if (fb_switch_state != FB_ACTIVE) {
> +        return;
> +    }
> +
> +    x = buf[1];
> +    y = -buf[2];
> +    b = buf[0] & 0x7;
> +
> +    if (kbd_mouse_is_absolute()) {
> +        s->ax += x; s->ay += y;
> +        if (s->ax < 0) {
> +            s->ax = 0;
> +        }
> +        if (s->ay < 0) {
> +            s->ay = 0;
> +        }
> +        if (s->ax >= s->cw * s->scale) {
> +            s->ax = s->cw * s->scale - 1;
> +        }
> +        if (s->ay >= s->ch * s->scale) {
> +            s->ay = s->ch * s->scale-1;
> +        }
> +        kbd_mouse_event(s->ax * 0x7FFF / (s->cw * s->scale),
> +                        s->ay * 0x7FFF / (s->ch * s->scale), 0, b);
> +    } else {
> +        kbd_mouse_event(x, y, 0, b);
> +    }
> +}
> +
> +static int init_mouse(FBDevState *s)
> +{
> +    s->mice = open("/dev/input/mice", O_RDONLY);
> +    if (s->mice == -1) {
> +        return -1;
> +    }
> +    qemu_set_fd_handler(s->mice, read_mouse, NULL, s);
> +    return 0;
> +}
> +
> +static void uninit_mouse(FBDevState *s)
> +{
> +    if (s->mice == -1) {
> +        return;
> +    }
> +    qemu_set_fd_handler(s->mice, NULL, NULL, NULL);
> +    close(s->mice);
> +    s->mice = -1;
> +}
> +
> +/* -------------------------------------------------------------------- */
> +/* keyboard                                                             */
> +
> +static const char *keynames[] = {
> +#include "linux-keynames.h"
> +};
> +
> +static const int scancode_map[KEY_CNT] = {
> +    [KEY_ESC]           = 0x01,
> +    [KEY_1]             = 0x02,
> +    [KEY_2]             = 0x03,
> +    [KEY_3]             = 0x04,
> +    [KEY_4]             = 0x05,
> +    [KEY_5]             = 0x06,
> +    [KEY_6]             = 0x07,
> +    [KEY_7]             = 0x08,
> +    [KEY_8]             = 0x09,
> +    [KEY_9]             = 0x0a,
> +    [KEY_0]             = 0x0b,
> +    [KEY_MINUS]         = 0x0c,
> +    [KEY_EQUAL]         = 0x0d,
> +    [KEY_BACKSPACE]     = 0x0e,
> +
> +    [KEY_TAB]           = 0x0f,
> +    [KEY_Q]             = 0x10,
> +    [KEY_W]             = 0x11,
> +    [KEY_E]             = 0x12,
> +    [KEY_R]             = 0x13,
> +    [KEY_T]             = 0x14,
> +    [KEY_Y]             = 0x15,
> +    [KEY_U]             = 0x16,
> +    [KEY_I]             = 0x17,
> +    [KEY_O]             = 0x18,
> +    [KEY_P]             = 0x19,
> +    [KEY_LEFTBRACE]     = 0x1a,
> +    [KEY_RIGHTBRACE]    = 0x1b,
> +    [KEY_ENTER]         = 0x1c,
> +
> +    [KEY_A]             = 0x1e,
> +    [KEY_S]             = 0x1f,
> +    [KEY_D]             = 0x20,
> +    [KEY_F]             = 0x21,
> +    [KEY_G]             = 0x22,
> +    [KEY_H]             = 0x23,
> +    [KEY_J]             = 0x24,
> +    [KEY_K]             = 0x25,
> +    [KEY_L]             = 0x26,
> +    [KEY_SEMICOLON]     = 0x27,
> +    [KEY_APOSTROPHE]    = 0x28,
> +    [KEY_GRAVE]         = 0x29,
> +    [KEY_LEFTSHIFT]     = 0x2a,
> +    [KEY_BACKSLASH]     = 0x2b,
> +
> +    [KEY_Z]             = 0x2c,
> +    [KEY_X]             = 0x2d,
> +    [KEY_C]             = 0x2e,
> +    [KEY_V]             = 0x2f,
> +    [KEY_B]             = 0x30,
> +    [KEY_N]             = 0x31,
> +    [KEY_M]             = 0x32,
> +    [KEY_COMMA]         = 0x33,
> +    [KEY_DOT]           = 0x34,
> +    [KEY_SLASH]         = 0x35,
> +    [KEY_RIGHTSHIFT]    = 0x36,
> +    [KEY_SPACE]         = 0x39,
> +
> +    [KEY_F1]            = 0x3b,
> +    [KEY_F2]            = 0x3c,
> +    [KEY_F3]            = 0x3d,
> +    [KEY_F4]            = 0x3e,
> +    [KEY_F5]            = 0x3f,
> +    [KEY_F6]            = 0x40,
> +    [KEY_F7]            = 0x41,
> +    [KEY_F8]            = 0x42,
> +    [KEY_F9]            = 0x43,
> +    [KEY_F10]           = 0x44,
> +    [KEY_F11]           = 0x57,
> +    [KEY_F12]           = 0x58,
> +
> +    [KEY_SYSRQ]         = 0xb7,
> +    [KEY_SCROLLLOCK]    = 0x46,
> +#if 0
> +    [KEY_PAUSE]         = FIXME,
> +#endif
> +    [KEY_CAPSLOCK]      = 0x3a,
> +    [KEY_102ND]         = 0x56,
> +
> +    [KEY_LEFTCTRL]      = 0x1d,
> +    [KEY_LEFTMETA]      = 0xdb,
> +    [KEY_LEFTALT]       = 0x38,
> +    [KEY_RIGHTALT]      = 0xb8,
> +    [KEY_RIGHTMETA]     = 0xdc,
> +    [KEY_RIGHTCTRL]     = 0x9d,
> +    [KEY_COMPOSE]       = 0xdd,
> +
> +    [KEY_INSERT]        = 0xd2,
> +    [KEY_DELETE]        = 0xd3,
> +    [KEY_HOME]          = 0xc7,
> +    [KEY_END]           = 0xcf,
> +    [KEY_PAGEUP]        = 0xc9,
> +    [KEY_PAGEDOWN]      = 0xd1,
> +
> +    [KEY_UP]            = 0xc8,
> +    [KEY_LEFT]          = 0xcb,
> +    [KEY_RIGHT]         = 0xcd,
> +    [KEY_DOWN]          = 0xd0,
> +
> +    [KEY_NUMLOCK]       = 0x45,
> +    [KEY_KPSLASH]       = 0xb5,
> +    [KEY_KPASTERISK]    = 0x37,
> +    [KEY_KP7]           = 0x47,
> +    [KEY_KP8]           = 0x48,
> +    [KEY_KP9]           = 0x49,
> +    [KEY_KPMINUS]       = 0x4a,
> +    [KEY_KP4]           = 0x4b,
> +    [KEY_KP5]           = 0x4c,
> +    [KEY_KP6]           = 0x4d,
> +    [KEY_KPPLUS]        = 0x4e,
> +    [KEY_KP1]           = 0x4f,
> +    [KEY_KP2]           = 0x50,
> +    [KEY_KP3]           = 0x51,
> +    [KEY_KP0]           = 0x52,
> +    [KEY_KPDOT]         = 0x53,
> +    [KEY_KPENTER]       = 0x9c,
> +};
> +
> +static const struct keysym_map {
> +    int  normal, shifted;
> +} keysym_map_en_us[KEY_CNT] = {
> +    [KEY_A] = { .normal = 'a', .shifted = 'A' },
> +    [KEY_B] = { .normal = 'b', .shifted = 'B' },
> +    [KEY_C] = { .normal = 'c', .shifted = 'C' },
> +    [KEY_D] = { .normal = 'd', .shifted = 'D' },
> +    [KEY_E] = { .normal = 'e', .shifted = 'E' },
> +    [KEY_F] = { .normal = 'f', .shifted = 'F' },
> +    [KEY_G] = { .normal = 'g', .shifted = 'G' },
> +    [KEY_H] = { .normal = 'h', .shifted = 'H' },
> +    [KEY_I] = { .normal = 'i', .shifted = 'I' },
> +    [KEY_J] = { .normal = 'j', .shifted = 'J' },
> +    [KEY_K] = { .normal = 'k', .shifted = 'K' },
> +    [KEY_L] = { .normal = 'l', .shifted = 'L' },
> +    [KEY_M] = { .normal = 'm', .shifted = 'M' },
> +    [KEY_N] = { .normal = 'n', .shifted = 'N' },
> +    [KEY_O] = { .normal = 'o', .shifted = 'O' },
> +    [KEY_P] = { .normal = 'p', .shifted = 'P' },
> +    [KEY_Q] = { .normal = 'q', .shifted = 'Q' },
> +    [KEY_R] = { .normal = 'r', .shifted = 'R' },
> +    [KEY_S] = { .normal = 's', .shifted = 'S' },
> +    [KEY_T] = { .normal = 't', .shifted = 'T' },
> +    [KEY_U] = { .normal = 'u', .shifted = 'U' },
> +    [KEY_V] = { .normal = 'v', .shifted = 'V' },
> +    [KEY_W] = { .normal = 'w', .shifted = 'W' },
> +    [KEY_X] = { .normal = 'x', .shifted = 'X' },
> +    [KEY_Y] = { .normal = 'y', .shifted = 'Y' },
> +    [KEY_Z] = { .normal = 'z', .shifted = 'Z' },
> +
> +    [KEY_1] = { .normal = '1', .shifted = '!' },
> +    [KEY_2] = { .normal = '2', .shifted = '@' },
> +    [KEY_3] = { .normal = '3', .shifted = '#' },
> +    [KEY_4] = { .normal = '4', .shifted = '$' },
> +    [KEY_5] = { .normal = '5', .shifted = '%' },
> +    [KEY_6] = { .normal = '6', .shifted = '^' },
> +    [KEY_7] = { .normal = '7', .shifted = '&' },
> +    [KEY_8] = { .normal = '8', .shifted = '*' },
> +    [KEY_9] = { .normal = '9', .shifted = '(' },
> +    [KEY_0] = { .normal = '0', .shifted = ')' },
> +
> +    [KEY_MINUS]       = { .normal = '-',  .shifted = '_'  },
> +    [KEY_EQUAL]       = { .normal = '=',  .shifted = '+'  },
> +    [KEY_TAB]         = { .normal = '\t'  },
> +    [KEY_LEFTBRACE]   = { .normal = '[',  .shifted = '{'  },
> +    [KEY_RIGHTBRACE]  = { .normal = ']',  .shifted = '}'  },
> +    [KEY_ENTER]       = { .normal = '\n', },
> +    [KEY_SEMICOLON]   = { .normal = ';',  .shifted = ':'  },
> +    [KEY_APOSTROPHE]  = { .normal = '"',  .shifted = '\'' },
> +    [KEY_BACKSLASH]   = { .normal = '\\', .shifted = '|'  },
> +    [KEY_COMMA]       = { .normal = ',',  .shifted = '<'  },
> +    [KEY_DOT]         = { .normal = '.',  .shifted = '>'  },
> +    [KEY_SLASH]       = { .normal = '/',  .shifted = '?'  },
> +    [KEY_SPACE]       = { .normal = ' '   },
> +
> +    [KEY_BACKSPACE]   = { .normal = QEMU_KEY_BACKSPACE  },
> +    [KEY_UP]          = { .normal = QEMU_KEY_UP         },
> +    [KEY_DOWN]        = { .normal = QEMU_KEY_DOWN       },
> +    [KEY_LEFT]        = { .normal = QEMU_KEY_LEFT       },
> +    [KEY_RIGHT]       = { .normal = QEMU_KEY_RIGHT      },
> +};
> +
> +static void start_mediumraw(FBDevState *s)
> +{
> +    struct termios tattr;
> +
> +    if (s->tty_mediumraw) {
> +        return;
> +    }
> +    trace_fbdev_kbd_raw(1);
> +
> +    /* save state */
> +    tcgetattr(s->tty, &s->tty_attributes);
> +    ioctl(s->tty, KDGKBMODE, &s->tty_mode);
> +    s->tty_flags = fcntl(s->tty, F_GETFL, NULL);
> +
> +    /* setup */
> +    tattr = s->tty_attributes;
> +    tattr.c_cflag &= ~(IXON|IXOFF);
> +    tattr.c_lflag &= ~(ICANON|ECHO|ISIG);
> +    tattr.c_iflag = 0;
> +    tattr.c_cc[VMIN] = 1;
> +    tattr.c_cc[VTIME] = 0;
> +    tcsetattr(s->tty, TCSAFLUSH, &tattr);
> +    ioctl(s->tty, KDSKBMODE, K_MEDIUMRAW);
> +    fcntl(s->tty, F_SETFL, s->tty_flags | O_NONBLOCK);
> +
> +    s->tty_mediumraw = true;
> +}
> +
> +static void stop_mediumraw(FBDevState *s)
> +{
> +    if (!s->tty_mediumraw) {
> +        return;
> +    }
> +    trace_fbdev_kbd_raw(0);
> +
> +    /* restore state */
> +    tcsetattr(s->tty, TCSANOW, &s->tty_attributes);
> +    ioctl(s->tty, KDSKBMODE, s->tty_mode);
> +    fcntl(s->tty, F_SETFL, s->tty_flags);
> +
> +    s->tty_mediumraw = false;
> +}
> +
> +static void send_scancode(int keycode, int up)
> +{
> +    int scancode = scancode_map[keycode];
> +
> +    if (!scancode) {
> +        fprintf(stderr, "%s: unmapped key: 0x%x %s\n",
> +                __func__, keycode, keynames[keycode]);
> +        return;
> +    }
> +    if (scancode & SCANCODE_GREY) {
> +        kbd_put_keycode(SCANCODE_EMUL0);
> +    }
> +    if (up) {
> +        kbd_put_keycode(scancode | SCANCODE_UP);
> +    } else {
> +        kbd_put_keycode(scancode & SCANCODE_KEYCODEMASK);
> +    }
> +}
> +
> +static void send_keysym(int keycode, int shift)
> +{
> +    const struct keysym_map *keysym_map = keysym_map_en_us;
> +    int keysym;
> +
> +    if (shift && keysym_map[keycode].shifted) {
> +        keysym = keysym_map[keycode].shifted;
> +    } else if (keysym_map[keycode].normal) {
> +        keysym = keysym_map[keycode].normal;
> +    } else {
> +        fprintf(stderr, "%s: unmapped key: 0x%x %s\n",
> +                __func__, keycode, keynames[keycode]);
> +        return;
> +    }
> +    kbd_put_keysym(keysym);
> +}
> +
> +static void reset_keys(FBDevState *s)
> +{
> +    int keycode;
> +
> +    for (keycode = 0; keycode < KEY_MAX; keycode++) {
> +        if (s->key_down[keycode]) {
> +            if (qemu_console_is_graphic(NULL)) {
> +                send_scancode(keycode, 1);
> +            }
> +            s->key_down[keycode] = false;
> +        }
> +    }
> +}
> +
> +static void read_mediumraw(void *opaque)
> +{
> +    FBDevState *s = opaque;
> +    uint8_t buf[32];
> +    int i, rc, up, keycode;
> +    bool ctrl, alt, shift;
> +
> +    rc = read(s->tty, buf, sizeof(buf));
> +    switch (rc) {
> +    case -1:
> +        perror("read tty");
> +        goto err;
> +    case 0:
> +        fprintf(stderr, "%s: eof\n", __func__);
> +        goto err;
> +    default:
> +        for (i = 0; i < rc; i++) {
> +            up      = buf[i] & 0x80;
> +            keycode = buf[i] & 0x7f;
> +            if (keycode == 0) {
> +                keycode  = (buf[i+1] & 0x7f) << 7;
> +                keycode |= buf[i+2] & 0x7f;
> +                i += 2;
> +            }
> +            if (keycode > KEY_MAX) {
> +                continue;
> +            }
> +
> +            if (up) {
> +                if (!s->key_down[keycode]) {
> +                    continue;
> +                }
> +                s->key_down[keycode] = false;
> +            } else {
> +                s->key_down[keycode] = true;
> +            }
> +
> +            trace_fbdev_kbd_event(keycode, keynames[keycode], !up);
> +
> +            alt   = s->key_down[KEY_LEFTALT]   || s->key_down[KEY_RIGHTALT];
> +            ctrl  = s->key_down[KEY_LEFTCTRL]  || s->key_down[KEY_RIGHTCTRL];
> +            shift = s->key_down[KEY_LEFTSHIFT] || 
> s->key_down[KEY_RIGHTSHIFT];
> +
> +            if (ctrl && alt && !up) {
> +                if (keycode == KEY_ESC) {
> +                    fprintf(stderr, "=== fbdev emergency escape "
> +                            "(ctrl-alt-esc) ===\n");
> +                    exit(1);
> +                }
> +                if (keycode == KEY_S) {
> +                    s->use_scale = !s->use_scale;
> +                    s->resize_screen++;
> +                    s->redraw_screen++;
> +                    continue;
> +                }
> +                if (keycode >= KEY_F1 && keycode <= KEY_F10) {
> +                    fbdev_activate_vt(s->tty, keycode+1-KEY_F1, false);
> +                    s->key_down[keycode] = false;
> +                    continue;
> +                }
> +                if (keycode >= KEY_1 && keycode <= KEY_9) {
> +                    console_select(keycode-KEY_1);
> +                    reset_keys(s);
> +                    continue;
> +                }
> +            }
> +
> +            if (qemu_console_is_graphic(NULL)) {
> +                /* send scancode to guest kbd emulation */
> +                send_scancode(keycode, up);
> +            } else if (!up) {
> +                /* send keysym to text console (aka '-chardev vc') */
> +                send_keysym(keycode, shift);
> +            }
> +        }
> +    }
> +    return;
> +
> +err:
> +    exit(1);
> +}
> +
> +/* -------------------------------------------------------------------- */
> +
> +static void fbdev_cls(FBDevState *s)
> +{
> +    memset(s->fb_mem + s->fb_mem_offset, 0,
> +           s->fb_fix.line_length * s->fb_var.yres);
> +}
> +
> +static int fbdev_activate_vt(int tty, int vtno, bool wait)
> +{
> +    trace_fbdev_vt_activate(vtno, wait);
> +
> +    if (ioctl(tty, VT_ACTIVATE, vtno) < 0) {
> +        perror("ioctl VT_ACTIVATE");
> +        return -1;
> +    }
> +
> +    if (wait) {
> +        if (ioctl(tty, VT_WAITACTIVE, vtno) < 0) {
> +            perror("ioctl VT_WAITACTIVE");
> +            return -1;
> +        }
> +        trace_fbdev_vt_activated();
> +    }
> +
> +    return 0;
> +}
> +
> +static void fbdev_cleanup(FBDevState *s)
> +{
> +    trace_fbdev_cleanup();
> +
> +    /* release pixman stuff */
> +    pixman_region_fini(&s->dirty);
> +    if (s->framebuffer) {
> +        pixman_image_unref(s->framebuffer);
> +        s->framebuffer = NULL;
> +    }
> +    if (s->sref) {
> +        pixman_image_unref(s->sref);
> +        s->sref = NULL;
> +    }
> +    if (s->swork) {
> +        pixman_image_unref(s->swork);
> +        s->swork = NULL;
> +    }
> +
> +    /* restore console */
> +    if (s->fb_mem != NULL) {
> +        munmap(s->fb_mem, s->fb_fix.smem_len+s->fb_mem_offset);
> +        s->fb_mem = NULL;
> +    }
> +    if (s->fb != -1) {
> +        if (ioctl(s->fb, FBIOPUT_VSCREENINFO, &s->fb_ovar) < 0) {
> +            perror("ioctl FBIOPUT_VSCREENINFO");
> +        }
> +        close(s->fb);
> +        s->fb = -1;
> +    }
> +
> +    if (s->tty != -1) {
> +        stop_mediumraw(s);
> +        if (ioctl(s->tty, KDSETMODE, s->kd_omode) < 0) {
> +            perror("ioctl KDSETMODE");
> +        }
> +        if (ioctl(s->tty, VT_SETMODE, &s->vt_omode) < 0) {
> +            perror("ioctl VT_SETMODE");
> +        }
> +        if (s->orig_vtno) {
> +            fbdev_activate_vt(s->tty, s->orig_vtno, true);
> +        }
> +        qemu_set_fd_handler(s->tty, NULL, NULL, NULL);
> +        close(s->tty);
> +        s->tty = -1;
> +    }
> +
> +    g_free(s->device);
> +    s->device = NULL;
> +}
> +
> +static int fbdev_init(FBDevState *s, const char *device, Error **err)
> +{
> +    struct vt_stat vts;
> +    unsigned long page_mask;
> +    char ttyname[32];
> +
> +    /* open framebuffer */
> +    if (device == NULL) {
> +        device = getenv("FRAMEBUFFER");
> +    }
> +    if (device == NULL) {
> +        device = "/dev/fb0";
> +    }

Maybe this is a matter of taste, but I think that having this logic at
this layer makes the API harder to use. What about moving this to the
call in vl.c and making the device name required in QMP?

> +    s->fb = open(device, O_RDWR);
> +    if (s->fb == -1) {
> +        error_setg(err, "open %s: %s\n", device, strerror(errno));

We have error_setg_errno() :)

> +        return -1;
> +    }
> +
> +    /* open virtual console */
> +    s->tty = 0;
> +    if (ioctl(s->tty, VT_GETSTATE, &vts) < 0) {
> +        fprintf(stderr, "Not started from virtual terminal, "
> +                "trying to open one.\n");
> +
> +        snprintf(ttyname, sizeof(ttyname), "/dev/tty0");
> +        s->tty = open(ttyname, O_RDWR);
> +        if (s->tty == -1) {
> +            error_setg(err, "open %s: %s\n", ttyname, strerror(errno));
> +            goto err_early;
> +        }
> +        if (ioctl(s->tty, VT_OPENQRY, &s->vtno) < 0) {
> +            error_setg(err, "ioctl VT_OPENQRY: %s\n", strerror(errno));
> +            goto err_early;
> +        }
> +        if (ioctl(s->tty, VT_GETSTATE, &vts) < 0) {
> +            error_setg(err, "ioctl VT_GETSTATE: %s\n", strerror(errno));
> +            goto err_early;
> +        }
> +        close(s->tty);
> +
> +        snprintf(ttyname, sizeof(ttyname), "/dev/tty%d", s->vtno);
> +        s->tty = open(ttyname, O_RDWR);
> +        if (s->tty == -1) {
> +            error_setg(err, "open %s: %s\n", ttyname, strerror(errno));
> +            goto err_early;
> +        }
> +        s->orig_vtno = vts.v_active;
> +        fprintf(stderr, "Switching to vt %d (current %d).\n",
> +                s->vtno, s->orig_vtno);
> +    } else {
> +        s->orig_vtno = 0;
> +        s->vtno = vts.v_active;
> +        fprintf(stderr, "Started at vt %d, using it.\n", s->vtno);
> +    }
> +    fbdev_activate_vt(s->tty, s->vtno, true);
> +
> +    /* get current settings (which we have to restore) */
> +    if (ioctl(s->fb, FBIOGET_VSCREENINFO, &s->fb_ovar) < 0) {
> +        error_setg(err, "ioctl FBIOGET_VSCREENINFO: %s\n", strerror(errno));
> +        goto err_early;
> +    }
> +    if (ioctl(s->tty, KDGETMODE, &s->kd_omode) < 0) {
> +        error_setg(err, "ioctl KDGETMODE: %s\n", strerror(errno));
> +        goto err_early;
> +    }
> +    if (ioctl(s->tty, VT_GETMODE, &s->vt_omode) < 0) {
> +        error_setg(err, "ioctl VT_GETMODE: %s\n", strerror(errno));
> +        goto err_early;
> +    }
> +
> +    /* checks & initialisation */
> +    if (ioctl(s->fb, FBIOGET_FSCREENINFO, &s->fb_fix) < 0) {
> +        error_setg(err, "ioctl : %s\n", strerror(errno));
> +        perror("ioctl FBIOGET_FSCREENINFO");
> +        goto err;
> +    }
> +    if (ioctl(s->fb, FBIOGET_VSCREENINFO, &s->fb_var) < 0) {
> +        error_setg(err, "ioctl FBIOGET_VSCREENINFO: %s\n", strerror(errno));
> +        goto err;
> +    }
> +    if (s->fb_fix.type != FB_TYPE_PACKED_PIXELS) {
> +        error_setg(err, "can handle only packed pixel frame buffers\n");
> +        goto err;
> +    }
> +    switch (s->fb_var.bits_per_pixel) {
> +    case 32:
> +        break;
> +    default:
> +        error_setg(err, "can't handle %d bpp frame buffers\n",
> +                   s->fb_var.bits_per_pixel);
> +        goto err;
> +    }
> +
> +    page_mask = getpagesize()-1;
> +    fb_switch_state = FB_ACTIVE;
> +    s->fb_mem_offset = (unsigned long)(s->fb_fix.smem_start) & page_mask;
> +    s->fb_mem = mmap(NULL, s->fb_fix.smem_len+s->fb_mem_offset,
> +                     PROT_READ|PROT_WRITE, MAP_SHARED, s->fb, 0);
> +    if (s->fb_mem == MAP_FAILED) {
> +        error_setg(err, "mmap: %s\n", strerror(errno));
> +        goto err;
> +    }
> +    /* move viewport to upper left corner */
> +    if (s->fb_var.xoffset != 0 || s->fb_var.yoffset != 0) {
> +        s->fb_var.xoffset = 0;
> +        s->fb_var.yoffset = 0;
> +        if (ioctl(s->fb, FBIOPAN_DISPLAY, &s->fb_var) < 0) {
> +            error_setg(err, "ioctl FBIOPAN_DISPLAY: %s\n", strerror(errno));
> +            goto err;
> +        }
> +    }
> +    if (ioctl(s->tty, KDSETMODE, KD_GRAPHICS) < 0) {
> +        error_setg(err, "ioctl KDSETMODE: %s\n", strerror(errno));
> +        goto err;
> +    }
> +    /* some fb drivers need this again after switching to graphics ... */
> +    fbdev_activate_vt(s->tty, s->vtno, true);
> +
> +    fbdev_cls(s);
> +
> +    start_mediumraw(s);
> +    qemu_set_fd_handler(s->tty, read_mediumraw, NULL, s);
> +
> +    s->framebuffer = pixman_from_framebuffer(s);
> +    pixman_region_init(&s->dirty);
> +    s->device = g_strdup(device);
> +    return 0;
> +
> +err_early:
> +    if (s->tty > 0) {
> +        close(s->tty);
> +    }
> +    close(s->fb);
> +    return -1;
> +
> +err:
> +    fbdev_cleanup(s);
> +    return -1;
> +}
> +
> +static void
> +fbdev_catch_fatal_signal(int signr)
> +{
> +    fprintf(stderr, "%s: %s, restoring linux console state ...\n",
> +            __func__, strsignal(signr));
> +    fbdev_cleanup(fb);
> +    signal(SIGABRT, SIG_DFL);
> +    fprintf(stderr, "%s: ... done, going abort() now.\n", __func__);
> +    abort();
> +}
> +
> +static void fbdev_catch_exit_signals(void)
> +{
> +    static const int signals[] = {
> +        SIGQUIT, SIGILL, SIGABRT, SIGFPE, SIGSEGV, SIGBUS
> +    };
> +    struct sigaction act, old;
> +    int i;
> +
> +    memset(&act, 0, sizeof(act));
> +    act.sa_handler = fbdev_catch_fatal_signal;
> +    act.sa_flags = SA_RESETHAND;
> +    sigemptyset(&act.sa_mask);
> +    for (i = 0; i < ARRAY_SIZE(signals); i++) {
> +        sigaction(signals[i], &act, &old);
> +    }
> +}
> +
> +/* -------------------------------------------------------------------- */
> +/* console switching                                                    */
> +
> +static void fbdev_switch_signal(int signal)
> +{
> +    if (signal == SIG_REL) {
> +        /* release */
> +        trace_fbdev_vt_release_request();
> +        fb_switch_state = FB_REL_REQ;
> +    }
> +    if (signal == SIG_ACQ) {
> +        /* acquisition */
> +        trace_fbdev_vt_aquire_request();
> +        fb_switch_state = FB_ACQ_REQ;
> +    }
> +}
> +
> +static void fbdev_switch_release(FBDevState *s)
> +{
> +    stop_mediumraw(s);
> +    ioctl(s->tty, KDSETMODE, s->kd_omode);
> +    ioctl(s->tty, VT_RELDISP, 1);
> +    fb_switch_state = FB_INACTIVE;
> +    trace_fbdev_vt_released();
> +}
> +
> +static void fbdev_switch_acquire(FBDevState *s)
> +{
> +    ioctl(s->tty, VT_RELDISP, VT_ACKACQ);
> +    start_mediumraw(s);
> +    reset_keys(s);
> +    ioctl(s->tty, KDSETMODE, KD_GRAPHICS);
> +    fb_switch_state = FB_ACTIVE;
> +    trace_fbdev_vt_aquired();
> +}
> +
> +static int fbdev_switch_init(FBDevState *s)
> +{
> +    struct sigaction act, old;
> +
> +    memset(&act, 0, sizeof(act));
> +    act.sa_handler  = fbdev_switch_signal;
> +    sigemptyset(&act.sa_mask);
> +    sigaction(SIG_REL, &act, &old);
> +    sigaction(SIG_ACQ, &act, &old);
> +
> +    if (ioctl(s->tty, VT_GETMODE, &s->vt_mode) < 0) {
> +        perror("ioctl VT_GETMODE");
> +        exit(1);
> +    }
> +    s->vt_mode.mode   = VT_PROCESS;
> +    s->vt_mode.waitv  = 0;
> +    s->vt_mode.relsig = SIG_REL;
> +    s->vt_mode.acqsig = SIG_ACQ;
> +
> +    if (ioctl(s->tty, VT_SETMODE, &s->vt_mode) < 0) {
> +        perror("ioctl VT_SETMODE");
> +        exit(1);
> +    }
> +    return 0;
> +}
> +
> +/* -------------------------------------------------------------------- */
> +/* rendering                                                            */
> +
> +static void fbdev_render(FBDevState *s)
> +{
> +    assert(s->surface);
> +
> +    pixman_image_set_clip_region(s->swork, &s->dirty);
> +    pixman_image_composite(PIXMAN_OP_SRC, s->swork, NULL, s->framebuffer,
> +                           0, 0, 0, 0, 0, 0, s->fb_var.xres, s->fb_var.yres);
> +    pixman_region_fini(&s->dirty);
> +    pixman_region_init(&s->dirty);
> +}
> +
> +static void fbdev_unrender_ptr(FBDevState *s)
> +{
> +    if (!s->pw && !s->ph) {
> +        return;
> +    }
> +    pixman_region_union_rect(&s->dirty, &s->dirty,
> +                             s->px, s->py, s->pw, s->ph);
> +    s->ph = s->pw = 0;
> +}
> +
> +static void fbdev_render_ptr(FBDevState *s)
> +{
> +    pixman_region16_t region;
> +    pixman_transform_t transform;
> +
> +    if (!s->mon || !s->ptr_image) {
> +        return;
> +    }
> +    if (s->mx < 0 || s->mx >= s->cw || s->my < 0 || s->my >= s->ch) {
> +        return;
> +    }
> +
> +    s->px = s->mx - s->ptr_cursor->hot_x;
> +    s->py = s->my - s->ptr_cursor->hot_y;
> +    s->pw = s->ptr_cursor->width;
> +    s->ph = s->ptr_cursor->height;
> +
> +    pixman_transform_init_identity(&transform);
> +    pixman_transform_translate(&transform, NULL,
> +                               pixman_int_to_fixed(-s->cx),
> +                               pixman_int_to_fixed(-s->cy));
> +    if (s->use_scale) {
> +        pixman_transform_scale(&transform, NULL,
> +                               pixman_double_to_fixed(1/s->scale),
> +                               pixman_double_to_fixed(1/s->scale));
> +    }
> +    pixman_transform_translate(&transform, NULL,
> +                               pixman_int_to_fixed(-s->px),
> +                               pixman_int_to_fixed(-s->py));
> +    pixman_image_set_transform(s->ptr_image, &transform);
> +
> +    pixman_region_init_rect(&region, 0, 0, s->pw, s->ph);
> +    pixman_image_set_clip_region(s->ptr_image, &region);
> +
> +    pixman_image_composite(PIXMAN_OP_OVER, s->ptr_image, NULL, 
> s->framebuffer,
> +                           0, 0, 0, 0, 0, 0, s->fb_var.xres, s->fb_var.yres);
> +
> +    pixman_region_fini(&region);
> +    s->ptr_refresh = 0;
> +}
> +
> +/* -------------------------------------------------------------------- */
> +/* qemu interfaces                                                      */
> +
> +static void fbdev_update(DisplayChangeListener *dcl,
> +                         int x, int y, int w, int h)
> +{
> +    FBDevState *s = container_of(dcl, FBDevState, dcl);
> +
> +    if (fb_switch_state != FB_ACTIVE) {
> +        return;
> +    }
> +
> +    if (s->resize_screen) {
> +        double xs, ys;
> +
> +        trace_fbdev_dpy_resize(surface_width(s->surface),
> +                               surface_height(s->surface));
> +        s->resize_screen = 0;
> +        s->cx = 0; s->cy = 0;
> +        s->cw = surface_width(s->surface);
> +        s->ch = surface_height(s->surface);
> +
> +        if (s->use_scale) {
> +            xs = (double)s->fb_var.xres / s->cw;
> +            ys = (double)s->fb_var.yres / s->ch;
> +            if (xs > ys) {
> +                s->scale = ys;
> +                s->cx = (s->fb_var.xres -
> +                         surface_width(s->surface)*s->scale) / 2;
> +            } else {
> +                s->scale = xs;
> +                s->cy = (s->fb_var.yres -
> +                         surface_height(s->surface)*s->scale) / 2;
> +            }
> +        } else {
> +            s->scale = 1;
> +            if (surface_width(s->surface) < s->fb_var.xres) {
> +                s->cx = (s->fb_var.xres - surface_width(s->surface)) / 2;
> +            }
> +            if (surface_height(s->surface) < s->fb_var.yres) {
> +                s->cy = (s->fb_var.yres - surface_height(s->surface)) / 2;
> +            }
> +        }
> +        if (s->sref) {
> +            pixman_image_unref(s->sref);
> +        }
> +        s->sref = pixman_image_ref(s->surface->image);
> +
> +        if (s->swork) {
> +            pixman_image_unref(s->swork);
> +        }
> +        s->swork = pixman_image_clone(s->sref);
> +
> +        pixman_transform_init_identity(&s->transform);
> +        pixman_transform_translate(&s->transform, NULL,
> +                                   pixman_int_to_fixed(-s->cx),
> +                                   pixman_int_to_fixed(-s->cy));
> +        if (s->use_scale) {
> +            pixman_transform_scale(&s->transform, NULL,
> +                                   pixman_double_to_fixed(1/s->scale),
> +                                   pixman_double_to_fixed(1/s->scale));
> +        }
> +        pixman_image_set_transform(s->swork, &s->transform);
> +
> +        pixman_image_set_filter(s->swork, s->pfilter, NULL, 0);
> +    }
> +
> +    if (s->redraw_screen) {
> +        trace_fbdev_dpy_redraw();
> +        s->redraw_screen = 0;
> +        fbdev_cls(s);
> +        x = 0; y = 0;
> +        w = surface_width(s->surface);
> +        h = surface_height(s->surface);
> +    }
> +
> +    pixman_region_union_rect(&s->dirty, &s->dirty, x, y, w, h);
> +    if (s->ptr_image && s->mon && s->pw && s->ph) {
> +        s->ptr_refresh++;
> +    }
> +}
> +
> +static void fbdev_switch(DisplayChangeListener *dcl,
> +                         DisplaySurface *new_surface)
> +{
> +    FBDevState *s = container_of(dcl, FBDevState, dcl);
> +
> +    s->surface = new_surface;
> +    s->resize_screen++;
> +    s->redraw_screen++;
> +}
> +
> +static void fbdev_refresh(DisplayChangeListener *dcl)
> +{
> +    FBDevState *s = container_of(dcl, FBDevState, dcl);
> +
> +    switch (fb_switch_state) {
> +    case FB_REL_REQ:
> +        fbdev_switch_release(s);
> +        /* fall though */
> +    case FB_INACTIVE:
> +        return;
> +    case FB_ACQ_REQ:
> +        fbdev_switch_acquire(s);
> +        s->redraw_screen++;
> +        /* fall though */
> +    case FB_ACTIVE:
> +        break;
> +    }
> +
> +    graphic_hw_update(NULL);
> +    if (s->redraw_screen) {
> +        fbdev_update(dcl, 0, 0, 0, 0);
> +    }
> +
> +    if (s->ptr_refresh) {
> +        fbdev_unrender_ptr(s);
> +    }
> +    if (pixman_region_not_empty(&s->dirty)) {
> +        fbdev_render(s);
> +    }
> +    if (s->ptr_refresh) {
> +        fbdev_render_ptr(s);
> +    }
> +}
> +
> +static void fbdev_mouse_set(DisplayChangeListener *dcl, int x, int y, int on)
> +{
> +    FBDevState *s = container_of(dcl, FBDevState, dcl);
> +
> +    s->ptr_refresh++;
> +    s->mx = x;
> +    s->my = y;
> +    s->mon = on;
> +}
> +
> +static void fbdev_cursor_define(DisplayChangeListener *dcl, QEMUCursor 
> *cursor)
> +{
> +    FBDevState *s = container_of(dcl, FBDevState, dcl);
> +
> +    s->ptr_refresh++;
> +
> +    if (s->ptr_cursor) {
> +        cursor_put(s->ptr_cursor);
> +        s->ptr_cursor = NULL;
> +    }
> +    if (s->ptr_image) {
> +        pixman_image_unref(s->ptr_image);
> +        s->ptr_image = NULL;
> +    }
> +
> +    if (!cursor) {
> +        return;
> +    }
> +
> +    s->ptr_cursor = cursor;
> +    cursor_get(s->ptr_cursor);
> +    s->ptr_image = pixman_image_create_bits(PIXMAN_a8r8g8b8,
> +                                            cursor->width, cursor->height,
> +                                            cursor->data,
> +                                            cursor->width * 4);
> +    pixman_image_set_filter(s->ptr_image, s->pfilter, NULL, 0);
> +}
> +
> +static const DisplayChangeListenerOps fbdev_ops = {
> +    .dpy_name          = "fbdev",
> +    .dpy_gfx_update    = fbdev_update,
> +    .dpy_gfx_switch    = fbdev_switch,
> +    .dpy_refresh       = fbdev_refresh,
> +    .dpy_mouse_set     = fbdev_mouse_set,
> +    .dpy_cursor_define = fbdev_cursor_define,
> +};
> +
> +static void fbdev_exit_notifier(Notifier *notifier, void *data)
> +{
> +    FBDevState *s = container_of(notifier, FBDevState, exit_notifier);
> +    fbdev_cleanup(s);
> +}
> +
> +int fbdev_display_init(const char *device, bool scale, Error **err)
> +{
> +    FBDevState *s;
> +
> +    if (fb != NULL) {
> +        return 0;
> +    }
> +
> +    s = g_new0(FBDevState, 1);
> +    s->tty = -1;
> +    s->fb = -1;
> +    s->mice = -1;
> +    s->pfilter = PIXMAN_FILTER_GOOD;
> +
> +    if (fbdev_init(s, device, err) != 0) {
> +        g_free(s);
> +        return -1;
> +    }
> +
> +    s->exit_notifier.notify = fbdev_exit_notifier;
> +    qemu_add_exit_notifier(&s->exit_notifier);
> +    fbdev_switch_init(s);
> +    fbdev_catch_exit_signals();
> +    init_mouse(s);
> +    s->use_scale = scale;
> +
> +    s->dcl.ops = &fbdev_ops;
> +    register_displaychangelistener(&s->dcl);
> +
> +    trace_fbdev_enabled();
> +    fb = s;
> +    return 0;
> +}
> +
> +void fbdev_display_uninit(void)
> +{
> +    FBDevState *s = fb;
> +
> +    if (s == NULL) {
> +        return;
> +    }
> +
> +    unregister_displaychangelistener(&s->dcl);
> +    qemu_remove_exit_notifier(&s->exit_notifier);
> +    fbdev_cleanup(s);
> +    uninit_mouse(s);
> +    g_free(s);
> +    fb = NULL;
> +}
> diff --git a/ui/linux-keynames.h b/ui/linux-keynames.h
> new file mode 100644
> index 0000000..058af28
> --- /dev/null
> +++ b/ui/linux-keynames.h
> @@ -0,0 +1,388 @@
> +/*
> + *   awk '/#define KEY_/ { printf("    [%s] = \"%s\",\n",$2,$2); }' \
> + *       /usr/include/linux/input.h
> + */
> +    [KEY_RESERVED] = "KEY_RESERVED",
> +    [KEY_ESC] = "KEY_ESC",
> +    [KEY_1] = "KEY_1",
> +    [KEY_2] = "KEY_2",
> +    [KEY_3] = "KEY_3",
> +    [KEY_4] = "KEY_4",
> +    [KEY_5] = "KEY_5",
> +    [KEY_6] = "KEY_6",
> +    [KEY_7] = "KEY_7",
> +    [KEY_8] = "KEY_8",
> +    [KEY_9] = "KEY_9",
> +    [KEY_0] = "KEY_0",
> +    [KEY_MINUS] = "KEY_MINUS",
> +    [KEY_EQUAL] = "KEY_EQUAL",
> +    [KEY_BACKSPACE] = "KEY_BACKSPACE",
> +    [KEY_TAB] = "KEY_TAB",
> +    [KEY_Q] = "KEY_Q",
> +    [KEY_W] = "KEY_W",
> +    [KEY_E] = "KEY_E",
> +    [KEY_R] = "KEY_R",
> +    [KEY_T] = "KEY_T",
> +    [KEY_Y] = "KEY_Y",
> +    [KEY_U] = "KEY_U",
> +    [KEY_I] = "KEY_I",
> +    [KEY_O] = "KEY_O",
> +    [KEY_P] = "KEY_P",
> +    [KEY_LEFTBRACE] = "KEY_LEFTBRACE",
> +    [KEY_RIGHTBRACE] = "KEY_RIGHTBRACE",
> +    [KEY_ENTER] = "KEY_ENTER",
> +    [KEY_LEFTCTRL] = "KEY_LEFTCTRL",
> +    [KEY_A] = "KEY_A",
> +    [KEY_S] = "KEY_S",
> +    [KEY_D] = "KEY_D",
> +    [KEY_F] = "KEY_F",
> +    [KEY_G] = "KEY_G",
> +    [KEY_H] = "KEY_H",
> +    [KEY_J] = "KEY_J",
> +    [KEY_K] = "KEY_K",
> +    [KEY_L] = "KEY_L",
> +    [KEY_SEMICOLON] = "KEY_SEMICOLON",
> +    [KEY_APOSTROPHE] = "KEY_APOSTROPHE",
> +    [KEY_GRAVE] = "KEY_GRAVE",
> +    [KEY_LEFTSHIFT] = "KEY_LEFTSHIFT",
> +    [KEY_BACKSLASH] = "KEY_BACKSLASH",
> +    [KEY_Z] = "KEY_Z",
> +    [KEY_X] = "KEY_X",
> +    [KEY_C] = "KEY_C",
> +    [KEY_V] = "KEY_V",
> +    [KEY_B] = "KEY_B",
> +    [KEY_N] = "KEY_N",
> +    [KEY_M] = "KEY_M",
> +    [KEY_COMMA] = "KEY_COMMA",
> +    [KEY_DOT] = "KEY_DOT",
> +    [KEY_SLASH] = "KEY_SLASH",
> +    [KEY_RIGHTSHIFT] = "KEY_RIGHTSHIFT",
> +    [KEY_KPASTERISK] = "KEY_KPASTERISK",
> +    [KEY_LEFTALT] = "KEY_LEFTALT",
> +    [KEY_SPACE] = "KEY_SPACE",
> +    [KEY_CAPSLOCK] = "KEY_CAPSLOCK",
> +    [KEY_F1] = "KEY_F1",
> +    [KEY_F2] = "KEY_F2",
> +    [KEY_F3] = "KEY_F3",
> +    [KEY_F4] = "KEY_F4",
> +    [KEY_F5] = "KEY_F5",
> +    [KEY_F6] = "KEY_F6",
> +    [KEY_F7] = "KEY_F7",
> +    [KEY_F8] = "KEY_F8",
> +    [KEY_F9] = "KEY_F9",
> +    [KEY_F10] = "KEY_F10",
> +    [KEY_NUMLOCK] = "KEY_NUMLOCK",
> +    [KEY_SCROLLLOCK] = "KEY_SCROLLLOCK",
> +    [KEY_KP7] = "KEY_KP7",
> +    [KEY_KP8] = "KEY_KP8",
> +    [KEY_KP9] = "KEY_KP9",
> +    [KEY_KPMINUS] = "KEY_KPMINUS",
> +    [KEY_KP4] = "KEY_KP4",
> +    [KEY_KP5] = "KEY_KP5",
> +    [KEY_KP6] = "KEY_KP6",
> +    [KEY_KPPLUS] = "KEY_KPPLUS",
> +    [KEY_KP1] = "KEY_KP1",
> +    [KEY_KP2] = "KEY_KP2",
> +    [KEY_KP3] = "KEY_KP3",
> +    [KEY_KP0] = "KEY_KP0",
> +    [KEY_KPDOT] = "KEY_KPDOT",
> +    [KEY_ZENKAKUHANKAKU] = "KEY_ZENKAKUHANKAKU",
> +    [KEY_102ND] = "KEY_102ND",
> +    [KEY_F11] = "KEY_F11",
> +    [KEY_F12] = "KEY_F12",
> +    [KEY_RO] = "KEY_RO",
> +    [KEY_KATAKANA] = "KEY_KATAKANA",
> +    [KEY_HIRAGANA] = "KEY_HIRAGANA",
> +    [KEY_HENKAN] = "KEY_HENKAN",
> +    [KEY_KATAKANAHIRAGANA] = "KEY_KATAKANAHIRAGANA",
> +    [KEY_MUHENKAN] = "KEY_MUHENKAN",
> +    [KEY_KPJPCOMMA] = "KEY_KPJPCOMMA",
> +    [KEY_KPENTER] = "KEY_KPENTER",
> +    [KEY_RIGHTCTRL] = "KEY_RIGHTCTRL",
> +    [KEY_KPSLASH] = "KEY_KPSLASH",
> +    [KEY_SYSRQ] = "KEY_SYSRQ",
> +    [KEY_RIGHTALT] = "KEY_RIGHTALT",
> +    [KEY_LINEFEED] = "KEY_LINEFEED",
> +    [KEY_HOME] = "KEY_HOME",
> +    [KEY_UP] = "KEY_UP",
> +    [KEY_PAGEUP] = "KEY_PAGEUP",
> +    [KEY_LEFT] = "KEY_LEFT",
> +    [KEY_RIGHT] = "KEY_RIGHT",
> +    [KEY_END] = "KEY_END",
> +    [KEY_DOWN] = "KEY_DOWN",
> +    [KEY_PAGEDOWN] = "KEY_PAGEDOWN",
> +    [KEY_INSERT] = "KEY_INSERT",
> +    [KEY_DELETE] = "KEY_DELETE",
> +    [KEY_MACRO] = "KEY_MACRO",
> +    [KEY_MUTE] = "KEY_MUTE",
> +    [KEY_VOLUMEDOWN] = "KEY_VOLUMEDOWN",
> +    [KEY_VOLUMEUP] = "KEY_VOLUMEUP",
> +    [KEY_POWER] = "KEY_POWER",
> +    [KEY_KPEQUAL] = "KEY_KPEQUAL",
> +    [KEY_KPPLUSMINUS] = "KEY_KPPLUSMINUS",
> +    [KEY_PAUSE] = "KEY_PAUSE",
> +    [KEY_SCALE] = "KEY_SCALE",
> +    [KEY_KPCOMMA] = "KEY_KPCOMMA",
> +    [KEY_HANGEUL] = "KEY_HANGEUL",
> +    [KEY_HANGUEL] = "KEY_HANGUEL",
> +    [KEY_HANJA] = "KEY_HANJA",
> +    [KEY_YEN] = "KEY_YEN",
> +    [KEY_LEFTMETA] = "KEY_LEFTMETA",
> +    [KEY_RIGHTMETA] = "KEY_RIGHTMETA",
> +    [KEY_COMPOSE] = "KEY_COMPOSE",
> +    [KEY_STOP] = "KEY_STOP",
> +    [KEY_AGAIN] = "KEY_AGAIN",
> +    [KEY_PROPS] = "KEY_PROPS",
> +    [KEY_UNDO] = "KEY_UNDO",
> +    [KEY_FRONT] = "KEY_FRONT",
> +    [KEY_COPY] = "KEY_COPY",
> +    [KEY_OPEN] = "KEY_OPEN",
> +    [KEY_PASTE] = "KEY_PASTE",
> +    [KEY_FIND] = "KEY_FIND",
> +    [KEY_CUT] = "KEY_CUT",
> +    [KEY_HELP] = "KEY_HELP",
> +    [KEY_MENU] = "KEY_MENU",
> +    [KEY_CALC] = "KEY_CALC",
> +    [KEY_SETUP] = "KEY_SETUP",
> +    [KEY_SLEEP] = "KEY_SLEEP",
> +    [KEY_WAKEUP] = "KEY_WAKEUP",
> +    [KEY_FILE] = "KEY_FILE",
> +    [KEY_SENDFILE] = "KEY_SENDFILE",
> +    [KEY_DELETEFILE] = "KEY_DELETEFILE",
> +    [KEY_XFER] = "KEY_XFER",
> +    [KEY_PROG1] = "KEY_PROG1",
> +    [KEY_PROG2] = "KEY_PROG2",
> +    [KEY_WWW] = "KEY_WWW",
> +    [KEY_MSDOS] = "KEY_MSDOS",
> +    [KEY_COFFEE] = "KEY_COFFEE",
> +    [KEY_SCREENLOCK] = "KEY_SCREENLOCK",
> +    [KEY_DIRECTION] = "KEY_DIRECTION",
> +    [KEY_CYCLEWINDOWS] = "KEY_CYCLEWINDOWS",
> +    [KEY_MAIL] = "KEY_MAIL",
> +    [KEY_BOOKMARKS] = "KEY_BOOKMARKS",
> +    [KEY_COMPUTER] = "KEY_COMPUTER",
> +    [KEY_BACK] = "KEY_BACK",
> +    [KEY_FORWARD] = "KEY_FORWARD",
> +    [KEY_CLOSECD] = "KEY_CLOSECD",
> +    [KEY_EJECTCD] = "KEY_EJECTCD",
> +    [KEY_EJECTCLOSECD] = "KEY_EJECTCLOSECD",
> +    [KEY_NEXTSONG] = "KEY_NEXTSONG",
> +    [KEY_PLAYPAUSE] = "KEY_PLAYPAUSE",
> +    [KEY_PREVIOUSSONG] = "KEY_PREVIOUSSONG",
> +    [KEY_STOPCD] = "KEY_STOPCD",
> +    [KEY_RECORD] = "KEY_RECORD",
> +    [KEY_REWIND] = "KEY_REWIND",
> +    [KEY_PHONE] = "KEY_PHONE",
> +    [KEY_ISO] = "KEY_ISO",
> +    [KEY_CONFIG] = "KEY_CONFIG",
> +    [KEY_HOMEPAGE] = "KEY_HOMEPAGE",
> +    [KEY_REFRESH] = "KEY_REFRESH",
> +    [KEY_EXIT] = "KEY_EXIT",
> +    [KEY_MOVE] = "KEY_MOVE",
> +    [KEY_EDIT] = "KEY_EDIT",
> +    [KEY_SCROLLUP] = "KEY_SCROLLUP",
> +    [KEY_SCROLLDOWN] = "KEY_SCROLLDOWN",
> +    [KEY_KPLEFTPAREN] = "KEY_KPLEFTPAREN",
> +    [KEY_KPRIGHTPAREN] = "KEY_KPRIGHTPAREN",
> +    [KEY_NEW] = "KEY_NEW",
> +    [KEY_REDO] = "KEY_REDO",
> +    [KEY_F13] = "KEY_F13",
> +    [KEY_F14] = "KEY_F14",
> +    [KEY_F15] = "KEY_F15",
> +    [KEY_F16] = "KEY_F16",
> +    [KEY_F17] = "KEY_F17",
> +    [KEY_F18] = "KEY_F18",
> +    [KEY_F19] = "KEY_F19",
> +    [KEY_F20] = "KEY_F20",
> +    [KEY_F21] = "KEY_F21",
> +    [KEY_F22] = "KEY_F22",
> +    [KEY_F23] = "KEY_F23",
> +    [KEY_F24] = "KEY_F24",
> +    [KEY_PLAYCD] = "KEY_PLAYCD",
> +    [KEY_PAUSECD] = "KEY_PAUSECD",
> +    [KEY_PROG3] = "KEY_PROG3",
> +    [KEY_PROG4] = "KEY_PROG4",
> +    [KEY_DASHBOARD] = "KEY_DASHBOARD",
> +    [KEY_SUSPEND] = "KEY_SUSPEND",
> +    [KEY_CLOSE] = "KEY_CLOSE",
> +    [KEY_PLAY] = "KEY_PLAY",
> +    [KEY_FASTFORWARD] = "KEY_FASTFORWARD",
> +    [KEY_BASSBOOST] = "KEY_BASSBOOST",
> +    [KEY_PRINT] = "KEY_PRINT",
> +    [KEY_HP] = "KEY_HP",
> +    [KEY_CAMERA] = "KEY_CAMERA",
> +    [KEY_SOUND] = "KEY_SOUND",
> +    [KEY_QUESTION] = "KEY_QUESTION",
> +    [KEY_EMAIL] = "KEY_EMAIL",
> +    [KEY_CHAT] = "KEY_CHAT",
> +    [KEY_SEARCH] = "KEY_SEARCH",
> +    [KEY_CONNECT] = "KEY_CONNECT",
> +    [KEY_FINANCE] = "KEY_FINANCE",
> +    [KEY_SPORT] = "KEY_SPORT",
> +    [KEY_SHOP] = "KEY_SHOP",
> +    [KEY_ALTERASE] = "KEY_ALTERASE",
> +    [KEY_CANCEL] = "KEY_CANCEL",
> +    [KEY_BRIGHTNESSDOWN] = "KEY_BRIGHTNESSDOWN",
> +    [KEY_BRIGHTNESSUP] = "KEY_BRIGHTNESSUP",
> +    [KEY_MEDIA] = "KEY_MEDIA",
> +    [KEY_SWITCHVIDEOMODE] = "KEY_SWITCHVIDEOMODE",
> +    [KEY_KBDILLUMTOGGLE] = "KEY_KBDILLUMTOGGLE",
> +    [KEY_KBDILLUMDOWN] = "KEY_KBDILLUMDOWN",
> +    [KEY_KBDILLUMUP] = "KEY_KBDILLUMUP",
> +    [KEY_SEND] = "KEY_SEND",
> +    [KEY_REPLY] = "KEY_REPLY",
> +    [KEY_FORWARDMAIL] = "KEY_FORWARDMAIL",
> +    [KEY_SAVE] = "KEY_SAVE",
> +    [KEY_DOCUMENTS] = "KEY_DOCUMENTS",
> +    [KEY_BATTERY] = "KEY_BATTERY",
> +    [KEY_BLUETOOTH] = "KEY_BLUETOOTH",
> +    [KEY_WLAN] = "KEY_WLAN",
> +    [KEY_UWB] = "KEY_UWB",
> +    [KEY_UNKNOWN] = "KEY_UNKNOWN",
> +    [KEY_VIDEO_NEXT] = "KEY_VIDEO_NEXT",
> +    [KEY_VIDEO_PREV] = "KEY_VIDEO_PREV",
> +    [KEY_BRIGHTNESS_CYCLE] = "KEY_BRIGHTNESS_CYCLE",
> +    [KEY_BRIGHTNESS_ZERO] = "KEY_BRIGHTNESS_ZERO",
> +    [KEY_DISPLAY_OFF] = "KEY_DISPLAY_OFF",
> +    [KEY_WIMAX] = "KEY_WIMAX",
> +    [KEY_OK] = "KEY_OK",
> +    [KEY_SELECT] = "KEY_SELECT",
> +    [KEY_GOTO] = "KEY_GOTO",
> +    [KEY_CLEAR] = "KEY_CLEAR",
> +    [KEY_POWER2] = "KEY_POWER2",
> +    [KEY_OPTION] = "KEY_OPTION",
> +    [KEY_INFO] = "KEY_INFO",
> +    [KEY_TIME] = "KEY_TIME",
> +    [KEY_VENDOR] = "KEY_VENDOR",
> +    [KEY_ARCHIVE] = "KEY_ARCHIVE",
> +    [KEY_PROGRAM] = "KEY_PROGRAM",
> +    [KEY_CHANNEL] = "KEY_CHANNEL",
> +    [KEY_FAVORITES] = "KEY_FAVORITES",
> +    [KEY_EPG] = "KEY_EPG",
> +    [KEY_PVR] = "KEY_PVR",
> +    [KEY_MHP] = "KEY_MHP",
> +    [KEY_LANGUAGE] = "KEY_LANGUAGE",
> +    [KEY_TITLE] = "KEY_TITLE",
> +    [KEY_SUBTITLE] = "KEY_SUBTITLE",
> +    [KEY_ANGLE] = "KEY_ANGLE",
> +    [KEY_ZOOM] = "KEY_ZOOM",
> +    [KEY_MODE] = "KEY_MODE",
> +    [KEY_KEYBOARD] = "KEY_KEYBOARD",
> +    [KEY_SCREEN] = "KEY_SCREEN",
> +    [KEY_PC] = "KEY_PC",
> +    [KEY_TV] = "KEY_TV",
> +    [KEY_TV2] = "KEY_TV2",
> +    [KEY_VCR] = "KEY_VCR",
> +    [KEY_VCR2] = "KEY_VCR2",
> +    [KEY_SAT] = "KEY_SAT",
> +    [KEY_SAT2] = "KEY_SAT2",
> +    [KEY_CD] = "KEY_CD",
> +    [KEY_TAPE] = "KEY_TAPE",
> +    [KEY_RADIO] = "KEY_RADIO",
> +    [KEY_TUNER] = "KEY_TUNER",
> +    [KEY_PLAYER] = "KEY_PLAYER",
> +    [KEY_TEXT] = "KEY_TEXT",
> +    [KEY_DVD] = "KEY_DVD",
> +    [KEY_AUX] = "KEY_AUX",
> +    [KEY_MP3] = "KEY_MP3",
> +    [KEY_AUDIO] = "KEY_AUDIO",
> +    [KEY_VIDEO] = "KEY_VIDEO",
> +    [KEY_DIRECTORY] = "KEY_DIRECTORY",
> +    [KEY_LIST] = "KEY_LIST",
> +    [KEY_MEMO] = "KEY_MEMO",
> +    [KEY_CALENDAR] = "KEY_CALENDAR",
> +    [KEY_RED] = "KEY_RED",
> +    [KEY_GREEN] = "KEY_GREEN",
> +    [KEY_YELLOW] = "KEY_YELLOW",
> +    [KEY_BLUE] = "KEY_BLUE",
> +    [KEY_CHANNELUP] = "KEY_CHANNELUP",
> +    [KEY_CHANNELDOWN] = "KEY_CHANNELDOWN",
> +    [KEY_FIRST] = "KEY_FIRST",
> +    [KEY_LAST] = "KEY_LAST",
> +    [KEY_AB] = "KEY_AB",
> +    [KEY_NEXT] = "KEY_NEXT",
> +    [KEY_RESTART] = "KEY_RESTART",
> +    [KEY_SLOW] = "KEY_SLOW",
> +    [KEY_SHUFFLE] = "KEY_SHUFFLE",
> +    [KEY_BREAK] = "KEY_BREAK",
> +    [KEY_PREVIOUS] = "KEY_PREVIOUS",
> +    [KEY_DIGITS] = "KEY_DIGITS",
> +    [KEY_TEEN] = "KEY_TEEN",
> +    [KEY_TWEN] = "KEY_TWEN",
> +    [KEY_VIDEOPHONE] = "KEY_VIDEOPHONE",
> +    [KEY_GAMES] = "KEY_GAMES",
> +    [KEY_ZOOMIN] = "KEY_ZOOMIN",
> +    [KEY_ZOOMOUT] = "KEY_ZOOMOUT",
> +    [KEY_ZOOMRESET] = "KEY_ZOOMRESET",
> +    [KEY_WORDPROCESSOR] = "KEY_WORDPROCESSOR",
> +    [KEY_EDITOR] = "KEY_EDITOR",
> +    [KEY_SPREADSHEET] = "KEY_SPREADSHEET",
> +    [KEY_GRAPHICSEDITOR] = "KEY_GRAPHICSEDITOR",
> +    [KEY_PRESENTATION] = "KEY_PRESENTATION",
> +    [KEY_DATABASE] = "KEY_DATABASE",
> +    [KEY_NEWS] = "KEY_NEWS",
> +    [KEY_VOICEMAIL] = "KEY_VOICEMAIL",
> +    [KEY_ADDRESSBOOK] = "KEY_ADDRESSBOOK",
> +    [KEY_MESSENGER] = "KEY_MESSENGER",
> +    [KEY_DISPLAYTOGGLE] = "KEY_DISPLAYTOGGLE",
> +    [KEY_SPELLCHECK] = "KEY_SPELLCHECK",
> +    [KEY_LOGOFF] = "KEY_LOGOFF",
> +    [KEY_DOLLAR] = "KEY_DOLLAR",
> +    [KEY_EURO] = "KEY_EURO",
> +    [KEY_FRAMEBACK] = "KEY_FRAMEBACK",
> +    [KEY_FRAMEFORWARD] = "KEY_FRAMEFORWARD",
> +    [KEY_CONTEXT_MENU] = "KEY_CONTEXT_MENU",
> +    [KEY_MEDIA_REPEAT] = "KEY_MEDIA_REPEAT",
> +    [KEY_10CHANNELSUP] = "KEY_10CHANNELSUP",
> +    [KEY_10CHANNELSDOWN] = "KEY_10CHANNELSDOWN",
> +    [KEY_DEL_EOL] = "KEY_DEL_EOL",
> +    [KEY_DEL_EOS] = "KEY_DEL_EOS",
> +    [KEY_INS_LINE] = "KEY_INS_LINE",
> +    [KEY_DEL_LINE] = "KEY_DEL_LINE",
> +    [KEY_FN] = "KEY_FN",
> +    [KEY_FN_ESC] = "KEY_FN_ESC",
> +    [KEY_FN_F1] = "KEY_FN_F1",
> +    [KEY_FN_F2] = "KEY_FN_F2",
> +    [KEY_FN_F3] = "KEY_FN_F3",
> +    [KEY_FN_F4] = "KEY_FN_F4",
> +    [KEY_FN_F5] = "KEY_FN_F5",
> +    [KEY_FN_F6] = "KEY_FN_F6",
> +    [KEY_FN_F7] = "KEY_FN_F7",
> +    [KEY_FN_F8] = "KEY_FN_F8",
> +    [KEY_FN_F9] = "KEY_FN_F9",
> +    [KEY_FN_F10] = "KEY_FN_F10",
> +    [KEY_FN_F11] = "KEY_FN_F11",
> +    [KEY_FN_F12] = "KEY_FN_F12",
> +    [KEY_FN_1] = "KEY_FN_1",
> +    [KEY_FN_2] = "KEY_FN_2",
> +    [KEY_FN_D] = "KEY_FN_D",
> +    [KEY_FN_E] = "KEY_FN_E",
> +    [KEY_FN_F] = "KEY_FN_F",
> +    [KEY_FN_S] = "KEY_FN_S",
> +    [KEY_FN_B] = "KEY_FN_B",
> +    [KEY_BRL_DOT1] = "KEY_BRL_DOT1",
> +    [KEY_BRL_DOT2] = "KEY_BRL_DOT2",
> +    [KEY_BRL_DOT3] = "KEY_BRL_DOT3",
> +    [KEY_BRL_DOT4] = "KEY_BRL_DOT4",
> +    [KEY_BRL_DOT5] = "KEY_BRL_DOT5",
> +    [KEY_BRL_DOT6] = "KEY_BRL_DOT6",
> +    [KEY_BRL_DOT7] = "KEY_BRL_DOT7",
> +    [KEY_BRL_DOT8] = "KEY_BRL_DOT8",
> +    [KEY_BRL_DOT9] = "KEY_BRL_DOT9",
> +    [KEY_BRL_DOT10] = "KEY_BRL_DOT10",
> +    [KEY_NUMERIC_0] = "KEY_NUMERIC_0",
> +    [KEY_NUMERIC_1] = "KEY_NUMERIC_1",
> +    [KEY_NUMERIC_2] = "KEY_NUMERIC_2",
> +    [KEY_NUMERIC_3] = "KEY_NUMERIC_3",
> +    [KEY_NUMERIC_4] = "KEY_NUMERIC_4",
> +    [KEY_NUMERIC_5] = "KEY_NUMERIC_5",
> +    [KEY_NUMERIC_6] = "KEY_NUMERIC_6",
> +    [KEY_NUMERIC_7] = "KEY_NUMERIC_7",
> +    [KEY_NUMERIC_8] = "KEY_NUMERIC_8",
> +    [KEY_NUMERIC_9] = "KEY_NUMERIC_9",
> +    [KEY_NUMERIC_STAR] = "KEY_NUMERIC_STAR",
> +    [KEY_NUMERIC_POUND] = "KEY_NUMERIC_POUND",
> +    [KEY_RFKILL] = "KEY_RFKILL",
> +    [KEY_MIN_INTERESTING] = "KEY_MIN_INTERESTING",
> +    [KEY_MAX] = "KEY_MAX",
> +    [KEY_CNT] = "KEY_CNT",
> diff --git a/vl.c b/vl.c
> index 0a8f056..bf337f9 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2240,6 +2240,13 @@ static DisplayType select_display(const char *p)
>          fprintf(stderr, "GTK support is disabled\n");
>          exit(1);
>  #endif
> +    } else if (strstart(p, "fbdev", &opts)) {
> +#ifdef CONFIG_FBDEV
> +        display = DT_FBDEV;
> +#else
> +        fprintf(stderr, "fbdev support is disabled\n");
> +        exit(1);
> +#endif
>      } else if (strstart(p, "none", &opts)) {
>          display = DT_NONE;
>      } else {
> @@ -4300,6 +4307,20 @@ int main(int argc, char **argv, char **envp)
>          curses_display_init(ds, full_screen);
>          break;
>  #endif
> +#if defined(CONFIG_FBDEV)
> +    case DT_FBDEV:
> +    {
> +        Error *errp = NULL;
> +        if (fbdev_display_init(NULL, false, &errp) != 0) {
> +            if (error_is_set(&errp)) {
> +                fprintf(stderr, "%s\n", error_get_pretty(errp));
> +                error_free(errp);
> +            }
> +            exit(1);
> +        }
> +        break;
> +    }
> +#endif
>  #if defined(CONFIG_SDL)
>      case DT_SDL:
>          sdl_display_init(ds, full_screen, no_frame);




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