source: mainline/kernel/arch/ppc32/src/boot/boot.S

Last change on this file was 566457ad, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 7 years ago

Fix typo

  • Property mode set to 100644
File size: 1.9 KB
Line 
1#
2# Copyright (c) 2005 Jakub Jermar
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8#
9# - Redistributions of source code must retain the above copyright
10# notice, this list of conditions and the following disclaimer.
11# - Redistributions in binary form must reproduce the above copyright
12# notice, this list of conditions and the following disclaimer in the
13# documentation and/or other materials provided with the distribution.
14# - The name of the author may not be used to endorse or promote products
15# derived from this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28
29#include <abi/asmtool.h>
30#include <arch/asm/regname.h>
31#include <config.h>
32
33.section K_TEXT_START, "ax"
34
35SYMBOL(kernel_image_start)
36 # load temporary kernel stack
37
38 lis sp, kernel_stack@ha
39 addi sp, sp, kernel_stack@l
40
41 # set kernel stack for interrupt handling
42
43 mr r31, sp
44 subis r31, r31, 0x8000
45 mtsprg0 r31
46
47 # r3 contains physical address of bootinfo_t
48
49 addis r3, r3, 0x8000
50 bl ppc32_pre_main
51 b main_bsp
52
53.section K_DATA_START, "aw", @progbits
54
55.align 12
56kernel_stack_bottom:
57 .space STACK_SIZE
58kernel_stack:
Note: See TracBrowser for help on using the repository browser.