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Viewing changes to grub-core/lib/i386/reboot_trampoline.S

  • Committer: Package Import Robot
  • Author(s): Colin Watson
  • Date: 2012-09-13 18:02:04 UTC
  • mfrom: (1.17.15 upstream)
  • mto: (17.6.27 experimental)
  • mto: This revision was merged to the branch mainline in revision 145.
  • Revision ID: package-import@ubuntu.com-20120913180204-mojnmocbimlom4im
Tags: upstream-2.00
Import upstream version 2.00

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grub-core/lib/i386/reboot_trampoline.S
 
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/*
 
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 *  GRUB  --  GRand Unified Bootloader
 
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 *  Copyright (C) 2011  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/symbol.h>
 
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#include <grub/i386/reboot.h>
 
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        .p2align 4
 
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VARIABLE(grub_reboot_start)
 
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        .code16
 
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        /* set 0x472 to 0x0000 for cold boot (0x1234 for warm boot) */
 
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        movw    $0x0472, %di
 
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        xorw    %ax, %ax
 
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        movw    %ax, (%di)
 
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        ljmp    $0xf000, $0xfff0
 
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        .code32
 
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VARIABLE(grub_reboot_end)