oskit/oskit-20020317/kern/x86/base_stack.S

50 lines
1.6 KiB
ArmAsm
Executable File

/*
* 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)
.data
.globl EXT(base_stack_size)
LEXT(base_stack_size)
.long BASE_STACK_SIZE