Signed-off-by: Graeme Russ <graeme.r...@gmail.com>
---
arch/x86/cpu/start.S | 3 ++-
arch/x86/include/asm/processor.h | 6 +++++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index f87633b..7f9b6a7 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -29,6 +29,7 @@
#include <config.h>
#include <version.h>
#include <asm/global_data.h>
+#include <asm/processor.h>
#include <asm/processor-flags.h>
#include <generated/asm-offsets.h>
@@ -58,7 +59,7 @@ _start:
/* This is the 32-bit cold-reset entry point */
/* Load the segement registes to match the gdt loaded in start16.S */
- movl $0x18, %eax
+ movl $(GDT_ENTRY_32BIT_DS * 8), %eax
movw %ax, %fs
movw %ax, %ds
movw %ax, %gs
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 1e5dccd..203c63a 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -24,9 +24,13 @@
#ifndef __ASM_PROCESSOR_H_
#define __ASM_PROCESSOR_H_ 1
-#define GDT_ENTRY_32BIT_CS 2
+#define GDT_ENTRY_NULL 0
+#define GDT_ENTRY_UNUSED (GDT_ENTRY_NULL + 1)
+#define GDT_ENTRY_32BIT_CS (GDT_ENTRY_UNUSED + 1)
#define GDT_ENTRY_32BIT_DS (GDT_ENTRY_32BIT_CS + 1)
#define GDT_ENTRY_16BIT_CS (GDT_ENTRY_32BIT_DS + 1)
#define GDT_ENTRY_16BIT_DS (GDT_ENTRY_16BIT_CS + 1)
+#define GDT_NUM_ENTRIES (GDT_ENTRY_16BIT_DS + 1)
+
#endif
--
1.7.5.2.317.g391b14
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