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Madhukar Pappireddy596fe0a2020-06-15 17:19:09 -05001// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
Antonio Nino Diazb2db96f2018-10-19 00:56:54 +01002/*
3 * libfdt - Flat Device Tree manipulation
4 * Copyright (C) 2006 David Gibson, IBM Corporation.
Antonio Nino Diazb2db96f2018-10-19 00:56:54 +01005 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
6 */
7#include "libfdt_env.h"
8
9#include <fdt.h>
10#include <libfdt.h>
11
12#include "libfdt_internal.h"
13
14struct fdt_errtabent {
15 const char *str;
16};
17
18#define FDT_ERRTABENT(val) \
19 [(val)] = { .str = #val, }
20
21static struct fdt_errtabent fdt_errtable[] = {
22 FDT_ERRTABENT(FDT_ERR_NOTFOUND),
23 FDT_ERRTABENT(FDT_ERR_EXISTS),
24 FDT_ERRTABENT(FDT_ERR_NOSPACE),
25
26 FDT_ERRTABENT(FDT_ERR_BADOFFSET),
27 FDT_ERRTABENT(FDT_ERR_BADPATH),
28 FDT_ERRTABENT(FDT_ERR_BADPHANDLE),
29 FDT_ERRTABENT(FDT_ERR_BADSTATE),
30
31 FDT_ERRTABENT(FDT_ERR_TRUNCATED),
32 FDT_ERRTABENT(FDT_ERR_BADMAGIC),
33 FDT_ERRTABENT(FDT_ERR_BADVERSION),
34 FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
35 FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
36 FDT_ERRTABENT(FDT_ERR_INTERNAL),
37 FDT_ERRTABENT(FDT_ERR_BADNCELLS),
38 FDT_ERRTABENT(FDT_ERR_BADVALUE),
39 FDT_ERRTABENT(FDT_ERR_BADOVERLAY),
40 FDT_ERRTABENT(FDT_ERR_NOPHANDLES),
Madhukar Pappireddy596fe0a2020-06-15 17:19:09 -050041 FDT_ERRTABENT(FDT_ERR_BADFLAGS),
Antonio Nino Diazb2db96f2018-10-19 00:56:54 +010042};
Andre Przywaradff3fe12020-10-01 22:41:48 +010043#define FDT_ERRTABSIZE ((int)(sizeof(fdt_errtable) / sizeof(fdt_errtable[0])))
Antonio Nino Diazb2db96f2018-10-19 00:56:54 +010044
45const char *fdt_strerror(int errval)
46{
47 if (errval > 0)
48 return "<valid offset/length>";
49 else if (errval == 0)
50 return "<no error>";
Andre Przywaradff3fe12020-10-01 22:41:48 +010051 else if (-errval < FDT_ERRTABSIZE) {
Antonio Nino Diazb2db96f2018-10-19 00:56:54 +010052 const char *s = fdt_errtable[-errval].str;
53
54 if (s)
55 return s;
56 }
57
58 return "<unknown error>";
59}