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-rw-r--r--contrib/syslinux/latest/memdisk/start32.S101
1 files changed, 0 insertions, 101 deletions
diff --git a/contrib/syslinux/latest/memdisk/start32.S b/contrib/syslinux/latest/memdisk/start32.S
deleted file mode 100644
index 4fb0537..0000000
--- a/contrib/syslinux/latest/memdisk/start32.S
+++ /dev/null
@@ -1,101 +0,0 @@
-/* -----------------------------------------------------------------------
- *
- * Copyright 2003-2009 H. Peter Anvin - All Rights Reserved
- * Copyright 2009 Intel Corporation; author: H. Peter Anvin
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston MA 02110-1301, USA; either version 2 of the License, or
- * (at your option) any later version; incorporated herein by reference.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * Simple stub to get us to the right point in the 32-bit code;
- * this module must be linked first
- */
-
- .section ".init", "ax"
- .globl _start
-_start:
- /* Zero the bss */
- cld
- movl $__bss_start, %edi
- movl $__bss_end, %ecx
- subl %edi, %ecx
- xorl %eax, %eax
- shrl $2, %ecx
- rep ; stosl
-
- /* Set up the protected-mode IDT and the interrupt jump buffers */
- movl $idt, %edi
- movl $ijb, %eax
- movl $0xee000000, %ebx /* Interrupt gate */
- movw %cs, %bx /* Target segment */
-
- /* Make the IDT */
- movl $256, %ecx
-1:
- stosl
- stosl
- movl %ebx, -6(%edi)
- addl $8, %eax
- loop 1b
-
- /*
- * Each entry in the interrupt jump buffer contains the following
- * instructions:
- *
- * 60 pushal
- * b0xx movb $xx, %al # interrupt number
- * e9xxxxxxxx jmp handle_interrupt
- */
- movl $0xe900b060, %eax
- movl $256, %ecx
-1:
- movl %eax, (%edi)
- addl $(1 << 16), %eax
- movl $handle_interrupt-8, %edx
- subl %edi, %edx
- movl %edx, 4(%edi)
- addl $8, %edi
- loop 1b
-
- lidtl idt_ptr
-
- /* Save arguments, switch stacks */
- movl %esp, %eax /* Pointer to arguments */
- movl $__stack_end, %esp
-
- call setup
- jmp *(rm_args) /* First argument is return */
-
- .section ".text","ax"
- .globl intcall
- .type intcall, @function
-intcall:
- jmp *(rm_args+1*4) /* Intcall is argument 1 */
- .size intcall, .-intcall
-
- .type handle_interrupt, @function
-handle_interrupt:
- jmp *(rm_args+4*4) /* Interrupt pointer is argument 4 */
- .size handle_interrupt, .-handle_interrupt
-
- .section ".rodata","a"
-idt_ptr:
- .word 8*256-1
- .long idt
- .word 0
-
- .section ".bss.large","aw"
- .balign 2048
-idt:
- .space 8*256
-ijb:
- .space 8*256
-
-__stack:
- .space 65536
-__stack_end: