1 files changed, 0 insertions, 98 deletions
diff --git a/arch/i386/boot/apm.c b/arch/i386/boot/apm.c
deleted file mode 100644
index eab50c55a3a..00000000000
--- a/arch/i386/boot/apm.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* -*- linux-c -*- ------------------------------------------------------- *
- *
- *   Copyright (C) 1991, 1992 Linus Torvalds
- *   Copyright 2007 rPath, Inc. - All Rights Reserved
- *
- *   Original APM BIOS checking by Stephen Rothwell, May 1994
- *   (sfr@canb.auug.org.au)
- *
- *   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/apm.c
- *
- * Get APM BIOS information
- */
-
-#include "boot.h"
-
-#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE)
-
-int query_apm_bios(void)
-{
-	u16 ax, bx, cx, dx, di;
-	u32 ebx, esi;
-	u8 err;
-
-	/* APM BIOS installation check */
-	ax = 0x5300;
-	bx = cx = 0;
-	asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp ; setc %0"
-		     : "=d" (err), "+a" (ax), "+b" (bx), "+c" (cx)
-		     : : "esi", "edi");
-
-	if (err)
-		return -1;		/* No APM BIOS */
-
-	if (bx != 0x504d)	/* "PM" signature */
-		return -1;
-
-	if (!(cx & 0x02))		/* 32 bits supported? */
-		return -1;
-
-	/* Disconnect first, just in case */
-	ax = 0x5304;
-	bx = 0;
-	asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp"
-		     : "+a" (ax), "+b" (bx)
-		     : : "ecx", "edx", "esi", "edi");
-
-	/* Paranoia */
-	ebx = esi = 0;
-	cx = dx = di = 0;
-
-	/* 32-bit connect */
-	asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp ; setc %6"
-		     : "=a" (ax), "+b" (ebx), "+c" (cx), "+d" (dx),
-		       "+S" (esi), "+D" (di), "=m" (err)
-		     : "a" (0x5303));
-
-	boot_params.apm_bios_info.cseg = ax;
-	boot_params.apm_bios_info.offset = ebx;
-	boot_params.apm_bios_info.cseg_16 = cx;
-	boot_params.apm_bios_info.dseg = dx;
-	boot_params.apm_bios_info.cseg_len = (u16)esi;
-	boot_params.apm_bios_info.cseg_16_len = esi >> 16;
-	boot_params.apm_bios_info.dseg_len = di;
-
-	if (err)
-		return -1;
-
-	/* Redo the installation check as the 32-bit connect;
-	   some BIOSes return different flags this way... */
-
-	ax = 0x5300;
-	bx = cx = 0;
-	asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp ; setc %0"
-		     : "=d" (err), "+a" (ax), "+b" (bx), "+c" (cx)
-		     : : "esi", "edi");
-
-	if (err || bx != 0x504d) {
-		/* Failure with 32-bit connect, try to disconect and ignore */
-		ax = 0x5304;
-		bx = 0;
-		asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp"
-			     : "+a" (ax), "+b" (bx)
-			     : : "ecx", "edx", "esi", "edi");
-		return -1;
-	}
-
-	boot_params.apm_bios_info.version = ax;
-	boot_params.apm_bios_info.flags = cx;
-	return 0;
-}
-
-#endif