150 lines
4 KiB
C
150 lines
4 KiB
C
/* videoinfo.c - command to list video modes. */
|
|
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2005,2007,2008,2009,2010 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/video.h>
|
|
#include <grub/dl.h>
|
|
#include <grub/env.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/mm.h>
|
|
#include <grub/command.h>
|
|
#include <grub/i18n.h>
|
|
|
|
static int
|
|
hook (const struct grub_video_mode_info *info)
|
|
{
|
|
if (info->mode_number == GRUB_VIDEO_MODE_NUMBER_INVALID)
|
|
grub_printf (" ");
|
|
else
|
|
grub_printf (" 0x%03x ", info->mode_number);
|
|
grub_printf ("%4d x %4d x %2d ", info->width, info->height, info->bpp);
|
|
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_PURE_TEXT)
|
|
grub_printf ("Text-only ");
|
|
/* Show mask and position details for direct color modes. */
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_RGB)
|
|
grub_printf ("Direct, mask: %d/%d/%d/%d pos: %d/%d/%d/%d",
|
|
info->red_mask_size,
|
|
info->green_mask_size,
|
|
info->blue_mask_size,
|
|
info->reserved_mask_size,
|
|
info->red_field_pos,
|
|
info->green_field_pos,
|
|
info->blue_field_pos,
|
|
info->reserved_field_pos);
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_INDEX_COLOR)
|
|
grub_printf ("Packed ");
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_YUV)
|
|
grub_printf ("YUV ");
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_PLANAR)
|
|
grub_printf ("Planar ");
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_HERCULES)
|
|
grub_printf ("Hercules ");
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_CGA)
|
|
grub_printf ("CGA ");
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_NONCHAIN4)
|
|
grub_printf ("Non-chain 4 ");
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_1BIT_BITMAP)
|
|
grub_printf ("Monochrome ");
|
|
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_UNKNOWN)
|
|
grub_printf ("Unknown ");
|
|
|
|
grub_printf ("\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static grub_err_t
|
|
grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
|
|
int argc __attribute__ ((unused)),
|
|
char **args __attribute__ ((unused)))
|
|
{
|
|
grub_video_adapter_t adapter;
|
|
grub_video_driver_id_t id;
|
|
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
if (grub_strcmp (cmd->name, "vbeinfo") == 0)
|
|
grub_dl_load ("vbe");
|
|
#endif
|
|
|
|
id = grub_video_get_driver_id ();
|
|
|
|
grub_printf ("List of supported video modes:\n");
|
|
grub_printf ("Legend: P=Packed pixel, D=Direct color, "
|
|
"mask/pos=R/G/B/reserved\n");
|
|
|
|
FOR_VIDEO_ADAPTERS (adapter)
|
|
{
|
|
grub_printf ("Adapter '%s':\n", adapter->name);
|
|
|
|
if (!adapter->iterate)
|
|
{
|
|
grub_printf (" No info available\n");
|
|
continue;
|
|
}
|
|
|
|
if (adapter->id != id)
|
|
{
|
|
if (adapter->init ())
|
|
{
|
|
grub_printf (" Failed\n");
|
|
grub_errno = GRUB_ERR_NONE;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (adapter->print_adapter_specific_info)
|
|
adapter->print_adapter_specific_info ();
|
|
|
|
adapter->iterate (hook);
|
|
|
|
if (adapter->id != id)
|
|
{
|
|
if (adapter->fini ())
|
|
{
|
|
grub_errno = GRUB_ERR_NONE;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
return GRUB_ERR_NONE;
|
|
}
|
|
|
|
static grub_command_t cmd;
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
static grub_command_t cmd_vbe;
|
|
#endif
|
|
|
|
GRUB_MOD_INIT(videoinfo)
|
|
{
|
|
cmd = grub_register_command ("videoinfo", grub_cmd_videoinfo, 0,
|
|
N_("List available video modes."));
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
cmd_vbe = grub_register_command ("vbeinfo", grub_cmd_videoinfo, 0,
|
|
N_("List available video modes."));
|
|
#endif
|
|
}
|
|
|
|
GRUB_MOD_FINI(videoinfo)
|
|
{
|
|
grub_unregister_command (cmd);
|
|
#ifdef GRUB_MACHINE_PCBIOS
|
|
grub_unregister_command (cmd_vbe);
|
|
#endif
|
|
}
|
|
|