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cmostest command

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2009-12-11 21:28:27 +01:00
parent 2e59983c82
commit acdf01cd1b
3 changed files with 71 additions and 0 deletions
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59
commands/i386/cmostest.c Normal file
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@ -0,0 +1,59 @@
/*
* 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/dl.h>
#include <grub/command.h>
#include <grub/misc.h>
#include <grub/i386/cmos.h>
static grub_err_t
grub_cmd_cmostest (struct grub_command *cmd __attribute__ ((unused)),
int argc, char *argv[])
{
int byte, bit;
char *rest;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "Address required.");
byte = grub_strtoul (argv[0], &rest, 0);
if (*rest != ':')
return grub_error (GRUB_ERR_BAD_ARGUMENT, "Address required.");
bit = grub_strtoul (rest + 1, 0, 0);
if (grub_cmos_read (byte) & (1 << bit))
return GRUB_ERR_NONE;
return grub_error (GRUB_ERR_TEST_FAILURE, "false");
}
static grub_command_t cmd;
GRUB_MOD_INIT(cmostest)
{
cmd = grub_register_command ("cmostest", grub_cmd_cmostest,
"cmostest BYTE:BIT",
"Test bit at BYTE:BIT in CMOS.");
}
GRUB_MOD_FINI(cmostest)
{
grub_unregister_command (cmd);
}

6
conf/i386-coreboot.rmk
View file

@ -202,5 +202,11 @@ lsmmap_mod_SOURCES = commands/lsmmap.c
lsmmap_mod_CFLAGS = $(COMMON_CFLAGS)
lsmmap_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For cmostest.mod
pkglib_MODULES += cmostest.mod
cmostest_mod_SOURCES = commands/i386/cmostest.c
cmostest_mod_CFLAGS = $(COMMON_CFLAGS)
cmostest_mod_LDFLAGS = $(COMMON_LDFLAGS)
include $(srcdir)/conf/i386.mk
include $(srcdir)/conf/common.mk

6
conf/i386-pc.rmk
View file

@ -335,6 +335,12 @@ hdparm_mod_SOURCES = commands/hdparm.c lib/hexdump.c
hdparm_mod_CFLAGS = $(COMMON_CFLAGS)
hdparm_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For cmostest.mod
pkglib_MODULES += cmostest.mod
cmostest_mod_SOURCES = commands/i386/cmostest.c
cmostest_mod_CFLAGS = $(COMMON_CFLAGS)
cmostest_mod_LDFLAGS = $(COMMON_LDFLAGS)
ifeq ($(enable_efiemu), yes)
efiemu32.o: efiemu/runtime/efiemu.c $(TARGET_OBJ2ELF)