1/* $NetBSD: phandle_format.c,v 1.1.1.3 2019/12/22 12:34:07 skrll Exp $ */ 2 3// SPDX-License-Identifier: LGPL-2.1-or-later 4/* 5 * libfdt - Flat Device Tree manipulation 6 * Testcase for phandle format options 7 * Copyright (C) 2009 David Gibson, IBM Corporation. 8 */ 9#include <stdlib.h> 10#include <stdio.h> 11#include <string.h> 12#include <stdint.h> 13 14#include <libfdt.h> 15 16#include "tests.h" 17#include "testdata.h" 18 19#define PHANDLE_LEGACY 0x1 20#define PHANDLE_EPAPR 0x2 21#define PHANDLE_BOTH 0x3 22 23int main(int argc, char *argv[]) 24{ 25 void *fdt; 26 int phandle_format; 27 int n4; 28 uint32_t h4; 29 30 if (argc != 3) 31 CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]); 32 33 test_init(argc, argv); 34 fdt = load_blob(argv[1]); 35 36 if (streq(argv[2], "legacy")) 37 phandle_format = PHANDLE_LEGACY; 38 else if (streq(argv[2], "epapr")) 39 phandle_format = PHANDLE_EPAPR; 40 else if (streq(argv[2], "both")) 41 phandle_format = PHANDLE_BOTH; 42 else 43 CONFIG("Usage: %s <dtb file> <legacy|epapr|both>\n", argv[0]); 44 45 n4 = fdt_path_offset(fdt, "/node4"); 46 if (n4 < 0) 47 FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4)); 48 49 h4 = fdt_get_phandle(fdt, n4); 50 if ((h4 == 0) || (h4 == -1)) 51 FAIL("/node4 has bad phandle 0x%x\n", h4); 52 53 if (phandle_format & PHANDLE_LEGACY) 54 check_getprop_cell(fdt, n4, "linux,phandle", h4); 55 else 56 if (fdt_getprop(fdt, n4, "linux,phandle", NULL)) 57 FAIL("linux,phandle property present in non-legacy mode"); 58 59 if (phandle_format & PHANDLE_EPAPR) 60 check_getprop_cell(fdt, n4, "phandle", h4); 61 else 62 if (fdt_getprop(fdt, n4, "phandle", NULL)) 63 FAIL("phandle property present in legacy-only mode"); 64 65 PASS(); 66} 67