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, 98 deletions

diff --git a/gpxe/src/interface/efi/efi_umalloc.c b/gpxe/src/interface/efi/efi_umalloc.c
deleted file mode 100644
index 7113c792..00000000
--- a/gpxe/src/interface/efi/efi_umalloc.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (C) 2008 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 <assert.h>
-#include <gpxe/umalloc.h>
-#include <gpxe/efi/efi.h>
-
-/** @file
- *
- * gPXE user memory allocation API for EFI
- *
- */
-
-/** Equivalent of NOWHERE for user pointers */
-#define UNOWHERE ( ~UNULL )
-
-/**
- * Reallocate external memory
- *
- * @v old_ptr		Memory previously allocated by umalloc(), or UNULL
- * @v new_size		Requested size
- * @ret new_ptr		Allocated memory, or UNULL
- *
- * Calling realloc() with a new size of zero is a valid way to free a
- * memory block.
- */
-static userptr_t efi_urealloc ( userptr_t old_ptr, size_t new_size ) {
-	EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
-	EFI_PHYSICAL_ADDRESS phys_addr;
-	unsigned int new_pages, old_pages;
-	userptr_t new_ptr = UNOWHERE;
-	size_t old_size;
-	EFI_STATUS efirc;
-
-	/* Allocate new memory if necessary.  If allocation fails,
-	 * return without touching the old block.
-	 */
-	if ( new_size ) {
-		new_pages = ( EFI_SIZE_TO_PAGES ( new_size ) + 1 );
-		if ( ( efirc = bs->AllocatePages ( AllocateAnyPages,
-						   EfiBootServicesData,
-						   new_pages,
-						   &phys_addr ) ) != 0 ) {
-			DBG ( "EFI could not allocate %d pages: %s\n",
-			      new_pages, efi_strerror ( efirc ) );
-			return UNULL;
-		}
-		assert ( phys_addr != 0 );
-		new_ptr = phys_to_user ( phys_addr + EFI_PAGE_SIZE );
-		copy_to_user ( new_ptr, -EFI_PAGE_SIZE,
-			       &new_size, sizeof ( new_size ) );
-		DBG ( "EFI allocated %d pages at %llx\n",
-		      new_pages, phys_addr );
-	}
-
-	/* Copy across relevant part of the old data region (if any),
-	 * then free it.  Note that at this point either (a) new_ptr
-	 * is valid, or (b) new_size is 0; either way, the memcpy() is
-	 * valid.
-	 */
-	if ( old_ptr && ( old_ptr != UNOWHERE ) ) {
-		copy_from_user ( &old_size, old_ptr, -EFI_PAGE_SIZE,
-				 sizeof ( old_size ) );
-		memcpy_user ( new_ptr, 0, old_ptr, 0,
-			      ( (old_size < new_size) ? old_size : new_size ));
-		old_pages = ( EFI_SIZE_TO_PAGES ( old_size ) + 1 );
-		phys_addr = user_to_phys ( old_ptr, -EFI_PAGE_SIZE );
-		if ( ( efirc = bs->FreePages ( phys_addr, old_pages ) ) != 0 ){
-			DBG ( "EFI could not free %d pages at %llx: %s\n",
-			      old_pages, phys_addr, efi_strerror ( efirc ) );
-			/* Not fatal; we have leaked memory but successfully
-			 * allocated (if asked to do so).
-			 */
-		}
-		DBG ( "EFI freed %d pages at %llx\n", old_pages, phys_addr );
-	}
-
-	return new_ptr;
-}
-
-PROVIDE_UMALLOC ( efi, urealloc, efi_urealloc );