From 485f6ecd453d8a2fd8b9b9fadea03159d8b50797 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:54:16 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- grub-core/lib/i386/reboot_trampoline.S | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 grub-core/lib/i386/reboot_trampoline.S (limited to 'grub-core/lib/i386/reboot_trampoline.S') diff --git a/grub-core/lib/i386/reboot_trampoline.S b/grub-core/lib/i386/reboot_trampoline.S new file mode 100644 index 0000000..c088cd0 --- /dev/null +++ b/grub-core/lib/i386/reboot_trampoline.S @@ -0,0 +1,34 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2011 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 . + */ + +#include +#include + + .p2align 4 + +VARIABLE(grub_reboot_start) + .code16 + + /* set 0x472 to 0x0000 for cold boot (0x1234 for warm boot) */ + movw $0x0472, %di + xorw %ax, %ax + movw %ax, (%di) + ljmp $0xf000, $0xfff0 + + .code32 +VARIABLE(grub_reboot_end) -- cgit v1.2.3