df5b83fe2b
Refining some of the code indentations and cosmetics to build upon and import some in-review changes. Change-Id: I0038a146bd899f150518c4832258a42792abaabb Signed-off-by: Maximilian Schander <maxschander@googlemail.com> Reviewed-on: https://review.coreboot.org/22216 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/* intelmetool
|
|
*
|
|
* Copyright (C) 2013-2015 Damien Zammit <damien@zamaudio.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "mmap.h"
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
#ifndef __DARWIN__
|
|
int fd_mem;
|
|
|
|
void *map_physical_exact(off_t phys_addr, void *mapto, size_t len)
|
|
{
|
|
void *virt_addr;
|
|
int err;
|
|
|
|
virt_addr = mmap(mapto, len, PROT_WRITE | PROT_READ,
|
|
MAP_SHARED | MAP_FIXED, fd_mem, phys_addr);
|
|
|
|
if (virt_addr == MAP_FAILED) {
|
|
err = errno;
|
|
printf("Error mapping physical memory 0x%016jd [0x%zx] ERRNO=%d %s\n",
|
|
(intmax_t)phys_addr, len, err, strerror(err));
|
|
return NULL;
|
|
}
|
|
|
|
return virt_addr;
|
|
}
|
|
|
|
void *map_physical(off_t phys_addr, size_t len)
|
|
{
|
|
void *virt_addr;
|
|
int err;
|
|
|
|
virt_addr = mmap(NULL, len, PROT_WRITE | PROT_READ, MAP_SHARED, fd_mem, phys_addr);
|
|
|
|
if (virt_addr == MAP_FAILED) {
|
|
err = errno;
|
|
printf("Error mapping physical memory 0x%016jd [0x%zx] ERRNO=%d %s\n",
|
|
(intmax_t)phys_addr, len, err, strerror(err));
|
|
return NULL;
|
|
}
|
|
|
|
return virt_addr;
|
|
}
|
|
|
|
void unmap_physical(void *virt_addr, size_t len)
|
|
{
|
|
munmap(virt_addr, len);
|
|
}
|
|
#endif
|