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authorLi-Ta Lo <ollie@lanl.gov>2004-11-04 18:36:06 +0000
committerLi-Ta Lo <ollie@lanl.gov>2004-11-04 18:36:06 +0000
commitf84926efca2f871fa557cccee36f0f773ec7190b (patch)
tree669414cbe6344aa61839f37422c0e163eae4f0fa /src/cpu/x86/32bit
parent1995f1af35b53b5c07694df7296f5eb20461b1c6 (diff)
downloadcoreboot-f84926efca2f871fa557cccee36f0f773ec7190b.tar.xz
tell people that the segment descriptors are different for ROMCC and
GCC code. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1740 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/x86/32bit')
-rw-r--r--src/cpu/x86/32bit/entry32.inc9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/cpu/x86/32bit/entry32.inc b/src/cpu/x86/32bit/entry32.inc
index 3d30a3f85f..724aed32eb 100644
--- a/src/cpu/x86/32bit/entry32.inc
+++ b/src/cpu/x86/32bit/entry32.inc
@@ -8,17 +8,20 @@
.align 4
.globl gdtptr
+ /* This is the gdt for ROMCC/ASM part of LinuxBIOS.
+ * It is different from the gdt in GCC part of LinuxBIOS
+ * which is defined in c_start.S */
gdt:
gdtptr:
.word gdt_end - gdt -1 /* compute the table limit */
.long gdt /* we know the offset */
.word 0
-/* flat code segment */
+ /* selgdt 0x08, flat code segment */
.word 0xffff, 0x0000
.byte 0x00, 0x9b, 0xcf, 0x00
-
-/* flat data segment */
+
+ /* selgdt 0x10,flat data segment */
.word 0xffff, 0x0000
.byte 0x00, 0x93, 0xcf, 0x00