grub/loader/i386/pc/xnu.c
phcoder 3eb5ed4ec0 2009-06-04 Vladimir Serbinenko <phcoder@gmail.com>
gfxpayload support

	* commands/videotest.c (grub_cmd_videotest): use grub_video_set_mode
	* include/grub/video.h (GRUB_VIDEO_MODE_TYPE_PURE_TEXT): new definition
	(grub_video_setup): remove
	(grub_video_set_mode): new prototype
	* loader/i386/linux.c (DEFAULT_VIDEO_MODE): new definition
	(vid_mode): remove
	(linux_vesafb_res): compile only on PCBIOS
	(grub_linux_boot): support gfxpayload
	* loader/i386/pc/xnu.c (video_hook): new function
	(grub_xnu_set_video): support gfxpayload
	* term/gfxterm.c (DEFAULT_VIDEO_WIDTH): removed
	(DEFAULT_VIDEO_HEIGHT): likewise
	(DEFAULT_VIDEO_FLAGS): likewise
	(DEFAULT_VIDEO_MODE): new definition
	(video_hook): new function
	(grub_gfxterm_init): use grub_video_set_mode
	* util/grub.d/30_os-prober.in: remove explicit modesetting before 
	loading xnu
	* video/video.c (grub_video_setup): removed
	(grub_video_set_mode): new function based on grub_gfxterm_init and 
	grub_video_setup
2009-06-04 18:22:45 +00:00

111 lines
3.2 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/env.h>
#include <grub/misc.h>
#include <grub/xnu.h>
#include <grub/mm.h>
#include <grub/cpu/xnu.h>
#include <grub/machine/vbe.h>
#include <grub/machine/vga.h>
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define DEFAULT_VIDEO_MODE "1024x768x32,800x600x32,640x480x32"
static int NESTED_FUNC_ATTR video_hook (grub_video_adapter_t p __attribute__ ((unused)),
struct grub_video_mode_info *info)
{
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_PURE_TEXT)
return 0;
return 1;
}
/* Setup video for xnu. */
grub_err_t
grub_xnu_set_video (struct grub_xnu_boot_params *params)
{
struct grub_video_mode_info mode_info;
struct grub_video_render_target *render_target;
int ret;
int x,y;
char *tmp, *modevar;
grub_err_t err;
modevar = grub_env_get ("gfxpayload");
if (! modevar || *modevar == 0)
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, video_hook);
else
{
tmp = grub_malloc (grub_strlen (modevar)
+ sizeof (DEFAULT_VIDEO_MODE) + 1);
if (! tmp)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"couldn't allocate temporary storag");
grub_sprintf (tmp, "%s;" DEFAULT_VIDEO_MODE, modevar);
err = grub_video_set_mode (tmp, video_hook);
grub_free (tmp);
}
if (err)
return err;
ret = grub_video_get_info (&mode_info);
if (ret)
return grub_error (GRUB_ERR_IO, "couldn't retrieve video parameters");
ret = grub_video_get_active_render_target (&render_target);
if (ret)
return grub_error (GRUB_ERR_IO, "couldn't retrieve video parameters");
err = GRUB_ERR_NONE;
x = mode_info.width - grub_xnu_bitmap->mode_info.width;
x /= 2;
y = mode_info.height - grub_xnu_bitmap->mode_info.height;
y /= 2;
err = grub_video_blit_bitmap (grub_xnu_bitmap,
GRUB_VIDEO_BLIT_REPLACE,
x > 0 ? x : 0,
y > 0 ? y : 0,
x < 0 ? -x : 0,
y < 0 ? -y : 0,
min (grub_xnu_bitmap->mode_info.width,
mode_info.width),
min (grub_xnu_bitmap->mode_info.height,
mode_info.height));
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
grub_xnu_bitmap = 0;
}
params->lfb_width = mode_info.width;
params->lfb_height = mode_info.height;
params->lfb_depth = mode_info.bpp;
params->lfb_line_len = mode_info.pitch;
params->lfb_base = PTR_TO_UINT32 (render_target->data);
params->lfb_mode = grub_xnu_bitmap
? GRUB_XNU_VIDEO_SPLASH : GRUB_XNU_VIDEO_TEXT_IN_VIDEO;
return GRUB_ERR_NONE;
}