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.
57 lines
1.1 KiB
57 lines
1.1 KiB
// SPDX-License-Identifier: LGPL-2.1-or-later |
|
/* |
|
* libfdt - Flat Device Tree manipulation |
|
* Testcase for DT overlays() |
|
* Copyright (C) 2016 Free Electrons |
|
* Copyright (C) 2016 NextThing Co. |
|
*/ |
|
|
|
#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(); |
|
}
|
|
|