1 files changed, 0 insertions, 114 deletions
diff --git a/gpxe/src/arch/i386/image/bootsector.c b/gpxe/src/arch/i386/image/bootsector.c
deleted file mode 100644
index f96cf201..00000000
--- a/gpxe/src/arch/i386/image/bootsector.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * 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; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/**
- * @file
- *
- * x86 bootsector image format
- *
- */
-
-#include <errno.h>
-#include <realmode.h>
-#include <biosint.h>
-#include <bootsector.h>
-
-/** Vector for storing original INT 18 handler
- *
- * We do not chain to this vector, so there is no need to place it in
- * .text16.
- */
-static struct segoff int18_vector;
-
-/** Vector for storing original INT 19 handler
- *
- * We do not chain to this vector, so there is no need to place it in
- * .text16.
- */
-static struct segoff int19_vector;
-
-/** Restart point for INT 18 or 19 */
-extern void bootsector_exec_fail ( void );
-
-/**
- * Jump to preloaded bootsector
- *
- * @v segment		Real-mode segment
- * @v offset		Real-mode offset
- * @v drive		Drive number to pass to boot sector
- * @ret rc		Return status code
- */
-int call_bootsector ( unsigned int segment, unsigned int offset,
-		      unsigned int drive ) {
-	int discard_b, discard_D, discard_d;
-
-	DBG ( "Booting from boot sector at %04x:%04x\n", segment, offset );
-
-	/* Hook INTs 18 and 19 to capture failure paths */
-	hook_bios_interrupt ( 0x18, ( unsigned int ) bootsector_exec_fail,
-			      &int18_vector );
-	hook_bios_interrupt ( 0x19, ( unsigned int ) bootsector_exec_fail,
-			      &int19_vector );
-
-	/* Boot the loaded sector
-	 *
-	 * We assume that the boot sector may completely destroy our
-	 * real-mode stack, so we preserve everything we need in
-	 * static storage.
-	 */
-	__asm__ __volatile__ ( REAL_CODE ( /* Save return address off-stack */
-					   "popw %%cs:saved_retaddr\n\t"
-					   /* Save stack pointer */
-					   "movw %%ss, %%ax\n\t"
-					   "movw %%ax, %%cs:saved_ss\n\t"
-					   "movw %%sp, %%cs:saved_sp\n\t"
-					   /* Jump to boot sector */
-					   "pushw %%bx\n\t"
-					   "pushw %%di\n\t"
-					   "sti\n\t"
-					   "lret\n\t"
-					   /* Preserved variables */
-					   "\nsaved_ss: .word 0\n\t"
-					   "\nsaved_sp: .word 0\n\t"
-					   "\nsaved_retaddr: .word 0\n\t"
-					   /* Boot failure return point */
-					   "\nbootsector_exec_fail:\n\t"
-					   /* Restore stack pointer */
-					   "movw %%cs:saved_ss, %%ax\n\t"
-					   "movw %%ax, %%ss\n\t"
-					   "movw %%cs:saved_sp, %%sp\n\t"
-					   /* Return via saved address */
-					   "jmp *%%cs:saved_retaddr\n\t" )
-			       : "=b" ( discard_b ), "=D" ( discard_D ),
-			         "=d" ( discard_d )
-			       : "b" ( segment ), "D" ( offset ),
-			         "d" ( drive )
-			       : "eax", "ecx", "esi", "ebp" );
-
-	DBG ( "Booted disk returned via INT 18 or 19\n" );
-
-	/* Unhook INTs 18 and 19 */
-	unhook_bios_interrupt ( 0x18, ( unsigned int ) bootsector_exec_fail,
-				&int18_vector );
-	unhook_bios_interrupt ( 0x19, ( unsigned int ) bootsector_exec_fail,
-				&int19_vector );
-	
-	return -ECANCELED;
-}