diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-04-25 21:43:29 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-04-25 21:43:29 +0000 |
| commit | e08c29e0e7f1c1e8682bdb66ce0c51d168fdd502 (patch) | |
| tree | cd0596cfcfa193adf76f87f60c71e9960a1d7216 /src/include/cpu/x86 | |
| parent | 5f5436f935412a339e127e0863d39df8a2308830 (diff) | |
a single place for the romstage stack for copy_and_run.
geode lx and amd opteron don't use this yet.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5499 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/include/cpu/x86')
| -rw-r--r-- | src/include/cpu/x86/stack.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/include/cpu/x86/stack.h b/src/include/cpu/x86/stack.h new file mode 100644 index 0000000000..d39764a7d6 --- /dev/null +++ b/src/include/cpu/x86/stack.h @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 coresystems GmbH + * + * This program 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; version 2 of the License. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __CPU_X86_STACK_H +#define __CPU_X86_STACK_H + +/* For now: use CONFIG_RAMBASE + 1MB - 64K (counting downwards) as stack. This + * makes sure that we stay completely within the 1M-64K of memory that we + * preserve for suspend/resume. This is basically HIGH_MEMORY_SAFE (see + * cbmem.h) + */ + +#define ROMSTAGE_STACK_OFFSET ( (1024 - 64) * 1024 ) +#define ROMSTAGE_STACK (CONFIG_RAMBASE + ROMSTAGE_STACK_OFFSET) + +#endif |