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authorYinghai Lu <yinghailu@gmail.com>2005-12-14 02:39:33 +0000
committerYinghai Lu <yinghailu@gmail.com>2005-12-14 02:39:33 +0000
commit72ee9b0ebefa98e05867712eb303269836ec69b4 (patch)
tree7d732c54abe754f14f1e1e5d93df302b1e04318f /src/config/linuxbios_ram.ld
parentf42e1770f968adbb4d197917d130219d193081a3 (diff)
downloadcoreboot-72ee9b0ebefa98e05867712eb303269836ec69b4.tar.xz
issue 51 and 52: set mtrr for ap before stop it, and _RAMBASE above 1M
support and pgtbl after 1M support git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2142 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/config/linuxbios_ram.ld')
-rw-r--r--src/config/linuxbios_ram.ld23
1 files changed, 14 insertions, 9 deletions
diff --git a/src/config/linuxbios_ram.ld b/src/config/linuxbios_ram.ld
index 6fa311fc0e..a159ce035e 100644
--- a/src/config/linuxbios_ram.ld
+++ b/src/config/linuxbios_ram.ld
@@ -15,6 +15,7 @@
/*
* Written by Johan Rydberg, based on work by Daniel Kahlin.
* Rewritten by Eric Biederman
+ * 2005.12 yhlu add linuxbios_ram cross the vga font buffer handling
*/
/*
* We use ELF as output format. So that we can
@@ -91,21 +92,25 @@ SECTIONS
_stack = .;
.stack . : {
/* Reserve a stack for each possible cpu */
- . = (CONFIG_MAX_CPUS * STACK_SIZE) ;
+ /* the stack for ap will be put after pgtbl in 1M to CONFIG_LB_MEM_TOPK range when VGA and ROM_RUN and CONFIG_LB_MEM_TOPK>1024*/
+ . = ((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN)&&(_RAMBASE<0x100000)&&((CONFIG_LB_MEM_TOPK<<10)>0x100000) ) ? STACK_SIZE : (CONFIG_MAX_CPUS*STACK_SIZE);
}
_estack = .;
- _heap = .;
- .heap . : {
- /* Reserve 256K for the heap */
- . = HEAP_SIZE ;
- . = ALIGN(4);
- }
- _eheap = .;
+ _heap = .;
+ .heap . : {
+ /* Reserve 256K for the heap */
+ . = HEAP_SIZE ;
+ . = ALIGN(4);
+ }
+ _eheap = .;
/* The ram segment
* This is all address of the memory resident copy of linuxBIOS.
*/
- _ram_seg = _text;
+ _ram_seg = _text;
_eram_seg = _eheap;
+
+ _bogus = ASSERT( !((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN) && ((_ram_seg<0xa0000) && (_eram_seg>0xa0000))) , "please increase CONFIG_LB_MEM_TOPK and if still fail, try to set _RAMBASE more than 1M");
+
/DISCARD/ : {
*(.comment)
*(.note)