File: base_stack.S

package info (click to toggle)
oskit 0.97.20000202-1
  • links: PTS
  • area: main
  • in suites: potato
  • size: 58,008 kB
  • ctags: 172,612
  • sloc: ansic: 832,827; asm: 7,640; sh: 3,920; yacc: 3,664; perl: 1,457; lex: 427; makefile: 337; csh: 141; awk: 78
file content (45 lines) | stat: -rw-r--r-- 1,566 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/*
 * Copyright (c) 1996, 1998 University of Utah and the Flux Group.
 * All rights reserved.
 * 
 * This file is part of the Flux OSKit.  The OSKit is free software, also known
 * as "open source;" you can redistribute it and/or modify it under the terms
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF).  To explore alternate licensing terms, contact
 * the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
 * 
 * The OSKit 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 GPL for more details.  You should have
 * received a copy of the GPL along with the OSKit; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

#include <oskit/config.h>
#include <oskit/x86/asm.h>
#include <oskit/x86/base_stack.h>
#include <oskit/x86/paging.h>

/*
 * Although recent versions of the GNU assembler work fine
 * when .bss is used here instead of .data, older versions,
 * such as the one supplied in the FreeBSD-2.1 distribution,
 * silently do horribly bogus and obscure things...
 * On such broken assemblers, we just declare the stack in the data section
 * and waste a little space in the executable file.
 */
#ifdef HAVE_WORKING_BSS
	.bss
#else
	.data
#endif

	P2ALIGN(PAGE_SHIFT)
	.globl	EXT(base_stack_start)
LEXT(base_stack_start)

	.space	BASE_STACK_SIZE

	.globl	EXT(base_stack_end)
LEXT(base_stack_end)