grub/grub-core/osdep/windows/dl.c
2013-12-18 07:26:13 +01:00

59 lines
1.4 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <config-util.h>
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
void *
grub_osdep_dl_memalign (grub_size_t align, grub_size_t size)
{
void *ret;
if (align > 4096)
{
grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, "too large alignment");
return NULL;
}
size = ALIGN_UP (size, 4096);
ret = VirtualAlloc (NULL, size, MEM_COMMIT | MEM_RESERVE,
PAGE_EXECUTE_READWRITE);
if (!ret)
{
grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
return NULL;
}
return ret;
}
void
grub_dl_osdep_dl_free (void *ptr)
{
if (!ptr)
return;
VirtualFree (ptr, 0, MEM_RELEASE);
}