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sortix--sortix/sortix/x86/boot.s

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2011-08-05 08:25:00 -04:00
/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix 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.
Sortix 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 Sortix. If not, see <http://www.gnu.org/licenses/>.
boot.s
Bootstraps the kernel and passes over control from the boot-loader to the
kernel main function.
******************************************************************************/
.globl start, _start
.section .text
.text 0x100000
.type _start, @function
start:
_start:
jmp beginkernel
# Align 32 bits boundary.
.align 4
# Multiboot header.
multiboot_header:
# Magic.
.long 0x1BADB002
# Flags.
.long 0x00000003
# Checksum.
.long -(0x1BADB002 + 0x00000003)