gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 171 deletions

diff --git a/gpxe/src/arch/i386/drivers/net/undiload.c b/gpxe/src/arch/i386/drivers/net/undiload.c
deleted file mode 100644
index 1d4e88d7..00000000
--- a/gpxe/src/arch/i386/drivers/net/undiload.c
+++ /dev/null
@@ -1,171 +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 <stdlib.h>
-#include <string.h>
-#include <pxe.h>
-#include <realmode.h>
-#include <bios.h>
-#include <pnpbios.h>
-#include <basemem.h>
-#include <gpxe/pci.h>
-#include <undi.h>
-#include <undirom.h>
-#include <undiload.h>
-
-/** @file
- *
- * UNDI load/unload
- *
- */
-
-/** Parameter block for calling UNDI loader */
-static struct s_UNDI_LOADER __bss16 ( undi_loader );
-#define undi_loader __use_data16 ( undi_loader )
-
-/** UNDI loader entry point */
-static SEGOFF16_t __bss16 ( undi_loader_entry );
-#define undi_loader_entry __use_data16 ( undi_loader_entry )
-
-/**
- * Call UNDI loader to create a pixie
- *
- * @v undi		UNDI device
- * @v undirom		UNDI ROM
- * @ret rc		Return status code
- */
-int undi_load ( struct undi_device *undi, struct undi_rom *undirom ) {
-	struct s_PXE ppxe;
-	unsigned int fbms_seg;
-	uint16_t exit;
-	int rc;
-
-	/* Set up START_UNDI parameters */
-	memset ( &undi_loader, 0, sizeof ( undi_loader ) );
-	undi_loader.AX = undi->pci_busdevfn;
-	undi_loader.BX = undi->isapnp_csn;
-	undi_loader.DX = undi->isapnp_read_port;
-	undi_loader.ES = BIOS_SEG;
-	undi_loader.DI = find_pnp_bios();
-
-	/* Allocate base memory for PXE stack */
-	undi->restore_fbms = get_fbms();
-	fbms_seg = ( undi->restore_fbms << 6 );
-	fbms_seg -= ( ( undirom->code_size + 0x0f ) >> 4 );
-	undi_loader.UNDI_CS = fbms_seg;
-	fbms_seg -= ( ( undirom->data_size + 0x0f ) >> 4 );
-	undi_loader.UNDI_DS = fbms_seg;
-
-	/* Debug info */
-	DBGC ( undi, "UNDI %p loading UNDI ROM %p to CS %04x DS %04x for ",
-	       undi, undirom, undi_loader.UNDI_CS, undi_loader.UNDI_DS );
-	if ( undi->pci_busdevfn != UNDI_NO_PCI_BUSDEVFN ) {
-		unsigned int bus = ( undi->pci_busdevfn >> 8 );
-		unsigned int devfn = ( undi->pci_busdevfn & 0xff );
-		DBGC ( undi, "PCI %02x:%02x.%x\n",
-		       bus, PCI_SLOT ( devfn ), PCI_FUNC ( devfn ) );
-	}
-	if ( undi->isapnp_csn != UNDI_NO_ISAPNP_CSN ) {
-		DBGC ( undi, "ISAPnP(%04x) CSN %04x\n",
-		       undi->isapnp_read_port, undi->isapnp_csn );
-	}
-
-	/* Call loader */
-	undi_loader_entry = undirom->loader_entry;
-	__asm__ __volatile__ ( REAL_CODE ( "pushw %%ds\n\t"
-					   "pushw %%ax\n\t"
-					   "lcall *undi_loader_entry\n\t"
-					   "addw $4, %%sp\n\t" )
-			       : "=a" ( exit )
-			       : "a" ( __from_data16 ( &undi_loader ) )
-			       : "ebx", "ecx", "edx", "esi", "edi", "ebp" );
-
-	/* UNDI API calls may rudely change the status of A20 and not
-	 * bother to restore it afterwards.  Intel is known to be
-	 * guilty of this.
-	 *
-	 * Note that we will return to this point even if A20 gets
-	 * screwed up by the UNDI driver, because Etherboot always
-	 * resides in an even megabyte of RAM.
-	 */	
-	gateA20_set();
-
-	if ( exit != PXENV_EXIT_SUCCESS ) {
-		rc = -undi_loader.Status;
-		if ( rc == 0 ) /* Paranoia */
-			rc = -EIO;
-		DBGC ( undi, "UNDI %p loader failed: %s\n",
-		       undi, strerror ( rc ) );
-		return rc;
-	}
-
-	/* Populate PXE device structure */
-	undi->pxenv = undi_loader.PXENVptr;
-	undi->ppxe = undi_loader.PXEptr;
-	copy_from_real ( &ppxe, undi->ppxe.segment, undi->ppxe.offset,
-			 sizeof ( ppxe ) );
-	undi->entry = ppxe.EntryPointSP;
-	DBGC ( undi, "UNDI %p loaded PXENV+ %04x:%04x !PXE %04x:%04x "
-	       "entry %04x:%04x\n", undi, undi->pxenv.segment,
-	       undi->pxenv.offset, undi->ppxe.segment, undi->ppxe.offset,
-	       undi->entry.segment, undi->entry.offset );
-
-	/* Update free base memory counter */
-	undi->fbms = ( fbms_seg >> 6 );
-	set_fbms ( undi->fbms );
-	DBGC ( undi, "UNDI %p using [%d,%d) kB of base memory\n",
-	       undi, undi->fbms, undi->restore_fbms );
-
-	return 0;
-}
-
-/**
- * Unload a pixie
- *
- * @v undi		UNDI device
- * @ret rc		Return status code
- *
- * Erases the PXENV+ and !PXE signatures, and frees the used base
- * memory (if possible).
- */
-int undi_unload ( struct undi_device *undi ) {
-	static uint32_t dead = 0xdeaddead;
-
-	DBGC ( undi, "UNDI %p unloading\n", undi );
-
-	/* Erase signatures */
-	if ( undi->pxenv.segment )
-		put_real ( dead, undi->pxenv.segment, undi->pxenv.offset );
-	if ( undi->ppxe.segment )
-		put_real ( dead, undi->ppxe.segment, undi->ppxe.offset );
-
-	/* Free base memory, if possible */
-	if ( undi->fbms == get_fbms() ) {
-		DBGC ( undi, "UNDI %p freeing [%d,%d) kB of base memory\n",
-		       undi, undi->fbms, undi->restore_fbms );
-		set_fbms ( undi->restore_fbms );
-		return 0;
-	} else {
-		DBGC ( undi, "UNDI %p leaking [%d,%d) kB of base memory\n",
-		       undi, undi->fbms, undi->restore_fbms );
-		return -EBUSY;
-	}
-}