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-rw-r--r--arch/i386/boot/pmjump.S54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/i386/boot/pmjump.S b/arch/i386/boot/pmjump.S
deleted file mode 100644
index 2e55923..0000000
--- a/arch/i386/boot/pmjump.S
+++ /dev/null
@@ -1,54 +0,0 @@
-/* ----------------------------------------------------------------------- *
- *
- * Copyright (C) 1991, 1992 Linus Torvalds
- * Copyright 2007 rPath, Inc. - All Rights Reserved
- *
- * This file is part of the Linux kernel, and is made available under
- * the terms of the GNU General Public License version 2.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * arch/i386/boot/pmjump.S
- *
- * The actual transition into protected mode
- */
-
-#include <asm/boot.h>
-#include <asm/segment.h>
-
- .text
-
- .globl protected_mode_jump
- .type protected_mode_jump, @function
-
- .code16
-
-/*
- * void protected_mode_jump(u32 entrypoint, u32 bootparams);
- */
-protected_mode_jump:
- xorl %ebx, %ebx # Flag to indicate this is a boot
- movl %edx, %esi # Pointer to boot_params table
- movl %eax, 2f # Patch ljmpl instruction
- jmp 1f # Short jump to flush instruction q.
-
-1:
- movw $__BOOT_DS, %cx
-
- movl %cr0, %edx
- orb $1, %dl # Protected mode (PE) bit
- movl %edx, %cr0
-
- movw %cx, %ds
- movw %cx, %es
- movw %cx, %fs
- movw %cx, %gs
- movw %cx, %ss
-
- # Jump to the 32-bit entrypoint
- .byte 0x66, 0xea # ljmpl opcode
-2: .long 0 # offset
- .word __BOOT_CS # segment
-
- .size protected_mode_jump, .-protected_mode_jump
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