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* grub-core/commands/i386/cmostest.c (+parse_args): New function. 

(grub_cmd_cmosclean): Likewise.
	(GRUB_MOD_INIT): Register command cmosclean.
	* util/grub-mkconfig.in: Export GRUB_BUTTON_CMOS_CLEAN.
	* util/grub.d/00_header.in: Handle GRUB_BUTTON_CMOS_CLEAN.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-19 01:15:44 +02:00
parent de0bd1d940
commit eaf41b2592
4 changed files with 52 additions and 6 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2010-09-19 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/commands/i386/cmostest.c (+parse_args): New function.
(grub_cmd_cmosclean): Likewise.
(GRUB_MOD_INIT): Register command cmosclean.
* util/grub-mkconfig.in: Export GRUB_BUTTON_CMOS_CLEAN.
* util/grub.d/00_header.in: Handle GRUB_BUTTON_CMOS_CLEAN.
2010-09-18 Carles Pina i Estany <carles@pina.cat>
2010-09-18 Aleš Nesrsta <starous@volny.cz>
2010-09-18 Vladimir Serbinenko <phcoder@gmail.com>

43
grub-core/commands/i386/cmostest.c
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@ -22,20 +22,32 @@
#include <grub/cmos.h>
static grub_err_t
grub_cmd_cmostest (struct grub_command *cmd __attribute__ ((unused)),
int argc, char *argv[])
parse_args (int argc, char *argv[], int *byte, int *bit)
{
int byte, bit;
char *rest;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "Address required.");
byte = grub_strtoul (argv[0], &rest, 0);
*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);
*bit = grub_strtoul (rest + 1, 0, 0);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_cmd_cmostest (struct grub_command *cmd __attribute__ ((unused)),
int argc, char *argv[])
{
int byte, bit;
grub_err_t err;
err = parse_args (argc, argv, &byte, &bit);
if (err)
return err;
if (grub_cmos_read (byte) & (1 << bit))
return GRUB_ERR_NONE;
@ -43,7 +55,22 @@ grub_cmd_cmostest (struct grub_command *cmd __attribute__ ((unused)),
return grub_error (GRUB_ERR_TEST_FAILURE, "false");
}
static grub_command_t cmd;
static grub_err_t
grub_cmd_cmosclean (struct grub_command *cmd __attribute__ ((unused)),
int argc, char *argv[])
{
int byte, bit;
grub_err_t err;
err = parse_args (argc, argv, &byte, &bit);
if (err)
return err;
grub_cmos_write (byte, grub_cmos_read (byte) & (~(1 << bit)));
return GRUB_ERR_NONE;
}
static grub_command_t cmd, cmd_clean;
GRUB_MOD_INIT(cmostest)
@ -51,9 +78,13 @@ GRUB_MOD_INIT(cmostest)
cmd = grub_register_command ("cmostest", grub_cmd_cmostest,
"cmostest BYTE:BIT",
"Test bit at BYTE:BIT in CMOS.");
cmd_clean = grub_register_command ("cmosclean", grub_cmd_cmosclean,
"cmosclean BYTE:BIT",
"Clean bit at BYTE:BIT in CMOS.");
}
GRUB_MOD_FINI(cmostest)
{
grub_unregister_command (cmd);
grub_unregister_command (cmd_clean);
}

1
util/grub-mkconfig.in
View File

@ -245,6 +245,7 @@ export GRUB_DEFAULT \
GRUB_HIDDEN_TIMEOUT_BUTTON \
GRUB_TIMEOUT_BUTTON \
GRUB_BUTTON_CMOS_ADDRESS \
GRUB_BUTTON_CMOS_CLEAN \
GRUB_DISTRIBUTOR \
GRUB_CMDLINE_LINUX \
GRUB_CMDLINE_LINUX_DEFAULT \

6
util/grub.d/00_header.in
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@ -247,6 +247,12 @@ else
make_timeout "${GRUB_HIDDEN_TIMEOUT}" "${GRUB_TIMEOUT}"
fi
if [ "x$GRUB_BUTTON_CMOS_ADDRESS" != "x" ] && [ "x$GRUB_BUTTON_CMOS_CLEAN" = "xyes" ]; then
cat <<EOF
cmosclean $GRUB_BUTTON_CMOS_ADDRESS
EOF
fi
# Play an initial tune
if [ "x${GRUB_INIT_TUNE}" != "x" ] ; then
echo "play ${GRUB_INIT_TUNE}"