sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

a single place for the romstage stack for copy_and_run.

Browse Source 
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
This commit is contained in:
Stefan Reinauer
2010-04-25 21:43:29 +00:00
committed by Stefan Reinauer
parent 5f5436f935
commit e08c29e0e7
8 changed files with 44 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/arch/i386/init/crt0_prologue.inc
View File

@@ -18,6 +18,7 @@
*/
#include <cpu/x86/post_code.h>
#include <cpu/x86/stack.h>
.section ".rom.data", "a", @progbits
.section ".rom.text", "ax", @progbits

11
src/arch/i386/init/crt0_romcc_epilogue.inc
View File

@@ -14,16 +14,7 @@ __main:
movl %ebp, %esi
/* 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.
*/
#ifndef HIGH_MEMORY_SAVE
#warning Need a central place for HIGH_MEMORY_SAVE
#define HIGH_MEMORY_SAVE ( (1024 - 64) * 1024 )
#endif
movl $(CONFIG_RAMBASE + HIGH_MEMORY_SAVE), %esp
movl $ROMSTAGE_STACK, %esp
movl %esp, %ebp
pushl %esi
call copy_and_run