Virtualization/openbios
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/openbios.git synced 2024-02-13 08:34:06 +08:00
Code Issues Projects Releases Wiki Activity

Define load-base to follow memory mapping defined in the BootX source

Browse Source 
comments.

This as been reported by Steven Noonan.



git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@573 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Laurent Vivier
2009-08-29 21:09:21 +00:00
parent 3e457210bd
commit a58190e204
2 changed files with 17 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
arch/ppc/qemu/ofmem.c
View File

@@ -30,10 +30,24 @@ extern void dsi_exception( void );
extern void isi_exception( void );
extern void setup_mmu( ulong code_base );
/*
* From Apple's BootX source comments:
*
* 96 MB map (currently unused - 4363357 tracks re-adoption)
* 00000000 - 00003FFF : Exception Vectors
* 00004000 - 03FFFFFF : Kernel Image, Boot Struct and Drivers (~64 MB)
* 04000000 - 04FFFFFF : File Load Area (16 MB) [80 MB]
* 05000000 - 053FFFFF : FS Cache (4 MB) [84 MB]
* 05400000 - 055FFFFF : Malloc Zone (2 MB) [86 MB]
* 05600000 - 057FFFFF : BootX Image (2 MB) [88 MB]
* 05800000 - 05FFFFFF : Unused/OF (8 MB) [96 MB]
*
*/
#define FREE_BASE 0x00004000
#define OF_CODE_START 0xfff00000UL
#define IO_BASE 0x80000000
#define OFMEM ((ofmem_t*)FREE_BASE)
#define OFMEM ((ofmem_t*)0x05400000)
#define OF_MALLOC_BASE ((char*)OFMEM + ((sizeof(ofmem_t) + 3) & ~3))
@@ -78,7 +92,7 @@ get_ram_top( void )
ulong
get_ram_bottom( void )
{
return (ulong)OF_MALLOC_BASE;
return (ulong)FREE_BASE;
}
static ucell get_heap_top( void )

2
forth/admin/nvram.fs
View File

@@ -334,7 +334,7 @@ no-conf-def " security-mode" secmode-config
" false" " real-mode?" bool-config
" -1" " real-base" int-config
" -1" " real-size" int-config
" 0x800000" " load-base" int-config
" 4000000" " load-base" int-config
" -1" " virt-base" int-config
" -1" " virt-size" int-config
[THEN]