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 );