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authorSimon Glass <sjg@chromium.org>2014-11-14 20:56:29 -0700
committerSimon Glass <sjg@chromium.org>2014-11-25 06:34:14 -0700
commite34aef1de36893250a788a272b6242e46da31b86 (patch)
treefd0dd027502cc1cf79376e59a8463b3e2ecce229 /arch/x86/include
parent176bf4ce0cb8ddf380f116860951641c4a700271 (diff)
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x86: Add GDT descriptors for option ROMs
Option ROMs require a few additional descriptors. Add these, and remove the enum since we now have to access several descriptors from assembler. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/processor.h31
1 files changed, 12 insertions, 19 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index b9317cb..3e26202 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -8,25 +8,18 @@
#ifndef __ASM_PROCESSOR_H_
#define __ASM_PROCESSOR_H_ 1
-#define X86_GDT_ENTRY_SIZE 8
-
-#ifndef __ASSEMBLY__
-
-enum {
- X86_GDT_ENTRY_NULL = 0,
- X86_GDT_ENTRY_UNUSED,
- X86_GDT_ENTRY_32BIT_CS,
- X86_GDT_ENTRY_32BIT_DS,
- X86_GDT_ENTRY_32BIT_FS,
- X86_GDT_ENTRY_16BIT_CS,
- X86_GDT_ENTRY_16BIT_DS,
- X86_GDT_NUM_ENTRIES
-};
-#else
-/* NOTE: If the above enum is modified, this define must be checked */
-#define X86_GDT_ENTRY_32BIT_DS 3
-#define X86_GDT_NUM_ENTRIES 7
-#endif
+#define X86_GDT_ENTRY_SIZE 8
+
+#define X86_GDT_ENTRY_NULL 0
+#define X86_GDT_ENTRY_UNUSED 1
+#define X86_GDT_ENTRY_32BIT_CS 2
+#define X86_GDT_ENTRY_32BIT_DS 3
+#define X86_GDT_ENTRY_32BIT_FS 4
+#define X86_GDT_ENTRY_16BIT_CS 5
+#define X86_GDT_ENTRY_16BIT_DS 6
+#define X86_GDT_ENTRY_16BIT_FLAT_CS 7
+#define X86_GDT_ENTRY_16BIT_FLAT_DS 8
+#define X86_GDT_NUM_ENTRIES 9
#define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE)