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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* libfdt - Flat Device Tree manipulation
* Testcase for phandle format options
* Copyright (C) 2009 David Gibson, IBM Corporation.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
#define PHANDLE_LEGACY 0x1
#define PHANDLE_EPAPR 0x2
#define PHANDLE_BOTH 0x3
int main(int argc, char *argv[])
{
void *fdt;
int phandle_format;
int n4;
uint32_t h4;
if (argc != 3)
CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]);
test_init(argc, argv);
fdt = load_blob(argv[1]);
if (streq(argv[2], "legacy"))
phandle_format = PHANDLE_LEGACY;
else if (streq(argv[2], "epapr"))
phandle_format = PHANDLE_EPAPR;
else if (streq(argv[2], "both"))
phandle_format = PHANDLE_BOTH;
else
CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]);
n4 = fdt_path_offset(fdt, "/node4");
if (n4 < 0)
FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4));
h4 = fdt_get_phandle(fdt, n4);
if ((h4 == 0) || (h4 == ~0U))
FAIL("/node4 has bad phandle 0x%x\n", h4);
if (phandle_format & PHANDLE_LEGACY)
check_getprop_cell(fdt, n4, "linux,phandle", h4);
else
if (fdt_getprop(fdt, n4, "linux,phandle", NULL))
FAIL("linux,phandle property present in non-legacy mode");
if (phandle_format & PHANDLE_EPAPR)
check_getprop_cell(fdt, n4, "phandle", h4);
else
if (fdt_getprop(fdt, n4, "phandle", NULL))
FAIL("phandle property present in legacy-only mode");
PASS();
}