grub/grub-core/commands/i386/coreboot/cbls.c
Vladimir Serbinenko 9ec5094213 coreboot: Split parts that are platform-independent.
We currently assume that coreboot is always i386, it's no longer the case,
so split i386-coreboot parts from generic coreboot code.
2020-09-21 11:32:45 -04:00

143 lines
4 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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/dl.h>
#include <grub/misc.h>
#include <grub/command.h>
#include <grub/i18n.h>
#include <grub/coreboot/lbio.h>
#include <grub/i386/tsc.h>
GRUB_MOD_LICENSE ("GPLv3+");
static const char *console_descs[] = {
"8250 UART",
"VGA",
"BTEXT",
"log buffer console",
"SROM",
"EHCI debug",
"memory-mapped 8250 UART"
};
static const char *descs[] = {
[GRUB_LINUXBIOS_MEMBER_MEMORY] = "memory map (`lsmmap' to list)",
[GRUB_LINUXBIOS_MEMBER_MAINBOARD] = "mainboard",
[4] = "version",
[5] = "extra version",
[6] = "build",
[7] = "compile time",
[8] = "compile by",
[9] = "compile host",
[0xa] = "compile domain",
[0xb] = "compiler",
[0xc] = "linker",
[0xd] = "assembler",
[0xf] = "serial",
[GRUB_LINUXBIOS_MEMBER_CONSOLE] = "console",
[GRUB_LINUXBIOS_MEMBER_FRAMEBUFFER] = "framebuffer",
[0x13] = "GPIO",
[0x15] = "VDAT",
[GRUB_LINUXBIOS_MEMBER_TIMESTAMPS] = "timestamps (`coreboot_boottime' to list)",
[GRUB_LINUXBIOS_MEMBER_CBMEMC] = "CBMEM console (`cbmemc' to list)",
[0x18] = "MRC cache",
[0x19] = "VBNV",
[0xc8] = "CMOS option table",
[0xc9] = "CMOS option",
[0xca] = "CMOS option enum",
[0xcb] = "CMOS option defaults",
[0xcc] = "CMOS checksum",
};
static int
iterate_linuxbios_table (grub_linuxbios_table_item_t table_item,
void *data __attribute__ ((unused)))
{
if (table_item->tag < ARRAY_SIZE (descs) && descs[table_item->tag])
grub_printf ("tag=%02x size=%02x %s",
table_item->tag, table_item->size, descs[table_item->tag]);
else
grub_printf ("tag=%02x size=%02x",
table_item->tag, table_item->size);
switch (table_item->tag)
{
case GRUB_LINUXBIOS_MEMBER_FRAMEBUFFER:
{
struct grub_linuxbios_table_framebuffer *fb;
fb = (struct grub_linuxbios_table_framebuffer *) (table_item + 1);
grub_printf (": %dx%dx%d pitch=%d lfb=0x%llx %d/%d/%d/%d %d/%d/%d/%d",
fb->width, fb->height,
fb->bpp, fb->pitch,
(unsigned long long) fb->lfb,
fb->red_mask_size, fb->green_mask_size,
fb->blue_mask_size, fb->reserved_mask_size,
fb->red_field_pos, fb->green_field_pos,
fb->blue_field_pos, fb->reserved_field_pos);
break;
}
case GRUB_LINUXBIOS_MEMBER_MAINBOARD:
{
struct grub_linuxbios_mainboard *mb;
mb = (struct grub_linuxbios_mainboard *) (table_item + 1);
grub_printf (": vendor=`%s' part_number=`%s'",
mb->strings + mb->vendor,
mb->strings + mb->part_number);
break;
}
case 0x04 ... 0x0d:
grub_printf (": `%s'", (char *) (table_item + 1));
break;
case GRUB_LINUXBIOS_MEMBER_CONSOLE:
{
grub_uint16_t *val = (grub_uint16_t *) (table_item + 1);
grub_printf (": id=%d", *val);
if (*val < ARRAY_SIZE (console_descs)
&& console_descs[*val])
grub_printf (" %s", console_descs[*val]);
}
}
grub_printf ("\n");
return 0;
}
static grub_err_t
grub_cmd_lscoreboot (struct grub_command *cmd __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char *argv[] __attribute__ ((unused)))
{
grub_linuxbios_table_iterate (iterate_linuxbios_table, 0);
return 0;
}
static grub_command_t cmd;
GRUB_MOD_INIT(cbls)
{
cmd =
grub_register_command ("lscoreboot", grub_cmd_lscoreboot,
0, N_("List coreboot tables."));
}
GRUB_MOD_FINI(cbls)
{
grub_unregister_command (cmd);
}