You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.7 KiB
71 lines
1.7 KiB
8 years ago
|
/*
|
||
|
|
* libfdt - Flat Device Tree manipulation
|
||
|
|
* Testcase for DT overlays()
|
||
|
|
* Copyright (C) 2016 Free Electrons
|
||
|
|
* Copyright (C) 2016 NextThing Co.
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public License
|
||
|
|
* as published by the Free Software Foundation; either version 2.1 of
|
||
|
|
* the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library 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
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include <libfdt.h>
|
||
|
|
|
||
|
|
#include "tests.h"
|
||
|
|
|
||
|
|
#define CHECK(code, expected) \
|
||
|
|
{ \
|
||
|
|
err = (code); \
|
||
|
|
if (err != expected) \
|
||
|
|
FAIL(#code ": %s", fdt_strerror(err)); \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* 4k ought to be enough for anybody */
|
||
|
|
#define FDT_COPY_SIZE (4 * 1024)
|
||
|
|
|
||
|
|
static void *open_dt(char *path)
|
||
|
|
{
|
||
|
|
void *dt, *copy;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
dt = load_blob(path);
|
||
|
|
copy = xmalloc(FDT_COPY_SIZE);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Resize our DTs to 4k so that we have room to operate on
|
||
|
|
*/
|
||
|
|
CHECK(fdt_open_into(dt, copy, FDT_COPY_SIZE), 0);
|
||
|
|
|
||
|
|
return copy;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
void *fdt_base, *fdt_overlay;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
test_init(argc, argv);
|
||
|
|
if (argc != 3)
|
||
|
|
CONFIG("Usage: %s <base dtb> <overlay dtb>", argv[0]);
|
||
|
|
|
||
|
|
fdt_base = open_dt(argv[1]);
|
||
|
|
fdt_overlay = open_dt(argv[2]);
|
||
|
|
|
||
|
|
/* Apply the overlay */
|
||
|
|
CHECK(fdt_overlay_apply(fdt_base, fdt_overlay), -FDT_ERR_BADOVERLAY);
|
||
|
|
|
||
|
|
PASS();
|
||
|
|
}
|