1 files changed, 0 insertions, 109 deletions
diff --git a/gpxe/src/arch/i386/firmware/pcbios/pnpbios.c b/gpxe/src/arch/i386/firmware/pcbios/pnpbios.c
deleted file mode 100644
index c572914f..00000000
--- a/gpxe/src/arch/i386/firmware/pcbios/pnpbios.c
+++ /dev/null
@@ -1,109 +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 );
-
-#include <stdint.h>
-#include <string.h>
-#include <errno.h>
-#include <realmode.h>
-#include <pnpbios.h>
-
-/** @file
- *
- * PnP BIOS
- *
- */
-
-/** PnP BIOS structure */
-struct pnp_bios {
-	/** Signature
-	 *
-	 * Must be equal to @c PNP_BIOS_SIGNATURE
-	 */
-	uint32_t signature;
-	/** Version as BCD (e.g. 1.0 is 0x10) */
-	uint8_t version;
-	/** Length of this structure */
-	uint8_t length;
-	/** System capabilities */
-	uint16_t control;
-	/** Checksum */
-	uint8_t checksum;
-} __attribute__ (( packed ));
-
-/** Signature for a PnP BIOS structure */
-#define PNP_BIOS_SIGNATURE \
-	( ( '$' << 0 ) + ( 'P' << 8 ) + ( 'n' << 16 ) + ( 'P' << 24 ) )
-
-/**
- * Test address for PnP BIOS structure
- *
- * @v offset		Offset within BIOS segment to test
- * @ret rc		Return status code
- */
-static int is_pnp_bios ( unsigned int offset ) {
-	union {
-		struct pnp_bios pnp_bios;
-		uint8_t bytes[256]; /* 256 is maximum length possible */
-	} u;
-	size_t len;
-	unsigned int i;
-	uint8_t sum = 0;
-
-	/* Read start of header and verify signature */
-	copy_from_real ( &u.pnp_bios, BIOS_SEG, offset, sizeof ( u.pnp_bios ));
-	if ( u.pnp_bios.signature != PNP_BIOS_SIGNATURE )
-		return -EINVAL;
-
-	/* Read whole header and verify checksum */
-	len = u.pnp_bios.length;
-	copy_from_real ( &u.bytes, BIOS_SEG, offset, len );
-	for ( i = 0 ; i < len ; i++ ) {
-		sum += u.bytes[i];
-	}
-	if ( sum != 0 )
-		return -EINVAL;
-
-	DBG ( "Found PnP BIOS at %04x:%04x\n", BIOS_SEG, offset );
-
-	return 0;
-}
-
-/**
- * Locate Plug-and-Play BIOS
- *
- * @ret pnp_offset	Offset of PnP BIOS structure within BIOS segment
- *
- * The PnP BIOS structure will be at BIOS_SEG:pnp_offset.  If no PnP
- * BIOS is found, -1 is returned.
- */
-int find_pnp_bios ( void ) {
-	static int pnp_offset = 0;
-
-	if ( pnp_offset )
-		return pnp_offset;
-
-	for ( pnp_offset = 0 ; pnp_offset < 0x10000 ; pnp_offset += 0x10 ) {
-		if ( is_pnp_bios ( pnp_offset ) == 0 )
-			return pnp_offset;
-	}
-
-	pnp_offset = -1;
-	return pnp_offset;
-}