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65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009,2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/dl.h>
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#include <grub/command.h>
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#include <grub/misc.h>
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#include <grub/cmos.h>
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#include <grub/i18n.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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static grub_err_t
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grub_cmd_cmosdump (struct grub_command *cmd __attribute__ ((unused)),
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int argc __attribute__ ((unused)), char *argv[] __attribute__ ((unused)))
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{
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int i;
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for (i = 0; i < 256; i++)
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{
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grub_err_t err;
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grub_uint8_t value;
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if ((i & 0xf) == 0)
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grub_printf ("%02x: ", i);
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err = grub_cmos_read (i, &value);
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if (err)
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return err;
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grub_printf ("%02x ", value);
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if ((i & 0xf) == 0xf)
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grub_printf ("\n");
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}
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return GRUB_ERR_NONE;
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}
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static grub_command_t cmd;
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GRUB_MOD_INIT(cmosdump)
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{
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cmd = grub_register_command ("cmosdump", grub_cmd_cmosdump,
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0,
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N_("Show raw dump of the CMOS contents."));
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}
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GRUB_MOD_FINI(cmosdump)
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{
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grub_unregister_command (cmd);
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}
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