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89d123106a
This adds the following commits from upstream: 756ffc4f52f6 Build pylibfdt as part of the normal build process 8cb3896358e9 Adjust libfdt.h to work with swig b40aa8359aff Mention pylibfdt in the documentation 12cfb740cc76 Add tests for pylibfdt 50f250701631 Add an initial Python library for libfdt cdbb2b6c7a3a checks: Warn on node name unit-addresses with '0x' or leading 0s 4c15d5da17cc checks: Add bus checks for simple-bus buses 33c3985226d3 checks: Add bus checks for PCI buses 558cd81bdd43 dtc: Bump version to v1.4.4 c17a811c62eb fdtput: Remove star from value_len documentation 194d5caaefcb fdtget: Use @return to document the return value d922ecdd017b tests: Make realloc_fdt() really allocate *fdt 921cc17fec29 libfdt: overlay: Check the value of the right variable 9ffdf60bf463 dtc: Simplify asm_emit_string() implementation 881012e44386 libfdt: Change names of sparse helper macros bad5b28049e5 Fix assorted sparse warnings 672ac09ea04d Clean up gcc attributes 49300f2ade6a dtc: Don't abuse struct fdt_reserve_entry fa8bc7f928ac dtc: Bump version to v1.4.3 34a9886a177f Add printf format attributes f72508e2b6ca Correct some broken printf() like format mismatches 397d5ef0203c libfdt: Add fdt_setprop_empty() 69a1bd6ad3f9 libfdt: Remove undefined behaviour setting empty properties acd1b534a592 Print output filename as part of warning messages 120775eb1cf3 dtc: Use streq() in preference to strcmp() 852e9ecbe197 checks: Add Warning for stricter node name character checking ef0e8f061534 checks: Add Warning for stricter property name character checking 00d7bb1f4b0e dtc: pos parameter to srcpos_string() can't be NULL 95d57726bca4 livetree.c: Fix memory leak 3b9c97093d6e dtc: Fix NULL pointer use in dtlabel + dtref case 43eb551426ea manual: Fix typo it -> in 4baf15f7f13f Makefile: Add tags rule Signed-off-by: Rob Herring <robh@kernel.org>
366 lines
9.3 KiB
C
366 lines
9.3 KiB
C
/*
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* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include <sys/stat.h>
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#include "dtc.h"
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#include "srcpos.h"
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/*
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* Command line options
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*/
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int quiet; /* Level of quietness */
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int reservenum; /* Number of memory reservation slots */
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int minsize; /* Minimum blob size */
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int padsize; /* Additional padding to blob */
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int alignsize; /* Additional padding to blob accroding to the alignsize */
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int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
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int generate_symbols; /* enable symbols & fixup support */
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int generate_fixups; /* suppress generation of fixups on symbol support */
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int auto_label_aliases; /* auto generate labels -> aliases */
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static int is_power_of_2(int x)
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{
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return (x > 0) && ((x & (x - 1)) == 0);
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}
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static void fill_fullpaths(struct node *tree, const char *prefix)
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{
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struct node *child;
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const char *unit;
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tree->fullpath = join_path(prefix, tree->name);
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unit = strchr(tree->name, '@');
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if (unit)
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tree->basenamelen = unit - tree->name;
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else
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tree->basenamelen = strlen(tree->name);
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for_each_child(tree, child)
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fill_fullpaths(child, tree->fullpath);
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}
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/* Usage related data. */
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#define FDT_VERSION(version) _FDT_VERSION(version)
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#define _FDT_VERSION(version) #version
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static const char usage_synopsis[] = "dtc [options] <input file>";
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static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:a:fb:i:H:sW:E:@Ahv";
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static struct option const usage_long_opts[] = {
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{"quiet", no_argument, NULL, 'q'},
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{"in-format", a_argument, NULL, 'I'},
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{"out", a_argument, NULL, 'o'},
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{"out-format", a_argument, NULL, 'O'},
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{"out-version", a_argument, NULL, 'V'},
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{"out-dependency", a_argument, NULL, 'd'},
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{"reserve", a_argument, NULL, 'R'},
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{"space", a_argument, NULL, 'S'},
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{"pad", a_argument, NULL, 'p'},
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{"align", a_argument, NULL, 'a'},
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{"boot-cpu", a_argument, NULL, 'b'},
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{"force", no_argument, NULL, 'f'},
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{"include", a_argument, NULL, 'i'},
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{"sort", no_argument, NULL, 's'},
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{"phandle", a_argument, NULL, 'H'},
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{"warning", a_argument, NULL, 'W'},
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{"error", a_argument, NULL, 'E'},
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{"symbols", no_argument, NULL, '@'},
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{"auto-alias", no_argument, NULL, 'A'},
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{"help", no_argument, NULL, 'h'},
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{"version", no_argument, NULL, 'v'},
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{NULL, no_argument, NULL, 0x0},
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};
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static const char * const usage_opts_help[] = {
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"\n\tQuiet: -q suppress warnings, -qq errors, -qqq all",
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"\n\tInput formats are:\n"
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"\t\tdts - device tree source text\n"
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"\t\tdtb - device tree blob\n"
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"\t\tfs - /proc/device-tree style directory",
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"\n\tOutput file",
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"\n\tOutput formats are:\n"
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"\t\tdts - device tree source text\n"
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"\t\tdtb - device tree blob\n"
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"\t\tasm - assembler source",
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"\n\tBlob version to produce, defaults to "FDT_VERSION(DEFAULT_FDT_VERSION)" (for dtb and asm output)",
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"\n\tOutput dependency file",
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"\n\tMake space for <number> reserve map entries (for dtb and asm output)",
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"\n\tMake the blob at least <bytes> long (extra space)",
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"\n\tAdd padding to the blob of <bytes> long (extra space)",
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"\n\tMake the blob align to the <bytes> (extra space)",
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"\n\tSet the physical boot cpu",
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"\n\tTry to produce output even if the input tree has errors",
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"\n\tAdd a path to search for include files",
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"\n\tSort nodes and properties before outputting (useful for comparing trees)",
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"\n\tValid phandle formats are:\n"
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"\t\tlegacy - \"linux,phandle\" properties only\n"
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"\t\tepapr - \"phandle\" properties only\n"
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"\t\tboth - Both \"linux,phandle\" and \"phandle\" properties",
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"\n\tEnable/disable warnings (prefix with \"no-\")",
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"\n\tEnable/disable errors (prefix with \"no-\")",
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"\n\tEnable generation of symbols",
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"\n\tEnable auto-alias of labels",
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"\n\tPrint this help and exit",
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"\n\tPrint version and exit",
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NULL,
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};
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static const char *guess_type_by_name(const char *fname, const char *fallback)
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{
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const char *s;
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s = strrchr(fname, '.');
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if (s == NULL)
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return fallback;
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if (!strcasecmp(s, ".dts"))
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return "dts";
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if (!strcasecmp(s, ".dtb"))
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return "dtb";
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return fallback;
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}
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static const char *guess_input_format(const char *fname, const char *fallback)
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{
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struct stat statbuf;
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fdt32_t magic;
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FILE *f;
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if (stat(fname, &statbuf) != 0)
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return fallback;
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if (S_ISDIR(statbuf.st_mode))
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return "fs";
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if (!S_ISREG(statbuf.st_mode))
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return fallback;
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f = fopen(fname, "r");
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if (f == NULL)
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return fallback;
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if (fread(&magic, 4, 1, f) != 1) {
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fclose(f);
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return fallback;
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}
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fclose(f);
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if (fdt32_to_cpu(magic) == FDT_MAGIC)
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return "dtb";
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return guess_type_by_name(fname, fallback);
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}
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int main(int argc, char *argv[])
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{
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struct dt_info *dti;
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const char *inform = NULL;
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const char *outform = NULL;
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const char *outname = "-";
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const char *depname = NULL;
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bool force = false, sort = false;
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const char *arg;
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int opt;
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FILE *outf = NULL;
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int outversion = DEFAULT_FDT_VERSION;
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long long cmdline_boot_cpuid = -1;
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quiet = 0;
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reservenum = 0;
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minsize = 0;
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padsize = 0;
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alignsize = 0;
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while ((opt = util_getopt_long()) != EOF) {
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switch (opt) {
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case 'I':
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inform = optarg;
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break;
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case 'O':
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outform = optarg;
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break;
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case 'o':
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outname = optarg;
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break;
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case 'V':
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outversion = strtol(optarg, NULL, 0);
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break;
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case 'd':
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depname = optarg;
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break;
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case 'R':
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reservenum = strtol(optarg, NULL, 0);
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break;
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case 'S':
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minsize = strtol(optarg, NULL, 0);
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break;
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case 'p':
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padsize = strtol(optarg, NULL, 0);
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break;
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case 'a':
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alignsize = strtol(optarg, NULL, 0);
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if (!is_power_of_2(alignsize))
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die("Invalid argument \"%d\" to -a option\n",
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alignsize);
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break;
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case 'f':
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force = true;
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break;
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case 'q':
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quiet++;
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break;
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case 'b':
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cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
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break;
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case 'i':
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srcfile_add_search_path(optarg);
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break;
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case 'v':
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util_version();
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case 'H':
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if (streq(optarg, "legacy"))
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phandle_format = PHANDLE_LEGACY;
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else if (streq(optarg, "epapr"))
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phandle_format = PHANDLE_EPAPR;
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else if (streq(optarg, "both"))
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phandle_format = PHANDLE_BOTH;
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else
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die("Invalid argument \"%s\" to -H option\n",
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optarg);
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break;
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case 's':
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sort = true;
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break;
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case 'W':
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parse_checks_option(true, false, optarg);
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break;
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case 'E':
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parse_checks_option(false, true, optarg);
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break;
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case '@':
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generate_symbols = 1;
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break;
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case 'A':
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auto_label_aliases = 1;
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break;
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case 'h':
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usage(NULL);
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default:
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usage("unknown option");
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}
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}
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if (argc > (optind+1))
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usage("missing files");
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else if (argc < (optind+1))
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arg = "-";
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else
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arg = argv[optind];
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/* minsize and padsize are mutually exclusive */
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if (minsize && padsize)
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die("Can't set both -p and -S\n");
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if (depname) {
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depfile = fopen(depname, "w");
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if (!depfile)
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die("Couldn't open dependency file %s: %s\n", depname,
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strerror(errno));
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fprintf(depfile, "%s:", outname);
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}
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if (inform == NULL)
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inform = guess_input_format(arg, "dts");
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if (outform == NULL) {
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outform = guess_type_by_name(outname, NULL);
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if (outform == NULL) {
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if (streq(inform, "dts"))
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outform = "dtb";
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else
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outform = "dts";
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}
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}
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if (streq(inform, "dts"))
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dti = dt_from_source(arg);
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else if (streq(inform, "fs"))
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dti = dt_from_fs(arg);
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else if(streq(inform, "dtb"))
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dti = dt_from_blob(arg);
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else
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die("Unknown input format \"%s\"\n", inform);
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dti->outname = outname;
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if (depfile) {
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fputc('\n', depfile);
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fclose(depfile);
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}
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if (cmdline_boot_cpuid != -1)
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dti->boot_cpuid_phys = cmdline_boot_cpuid;
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fill_fullpaths(dti->dt, "");
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process_checks(force, dti);
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/* on a plugin, generate by default */
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if (dti->dtsflags & DTSF_PLUGIN) {
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generate_fixups = 1;
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}
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if (auto_label_aliases)
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generate_label_tree(dti, "aliases", false);
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if (generate_symbols)
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generate_label_tree(dti, "__symbols__", true);
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if (generate_fixups) {
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generate_fixups_tree(dti, "__fixups__");
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generate_local_fixups_tree(dti, "__local_fixups__");
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}
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if (sort)
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sort_tree(dti);
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if (streq(outname, "-")) {
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outf = stdout;
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} else {
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outf = fopen(outname, "wb");
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if (! outf)
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die("Couldn't open output file %s: %s\n",
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outname, strerror(errno));
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}
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if (streq(outform, "dts")) {
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dt_to_source(outf, dti);
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} else if (streq(outform, "dtb")) {
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dt_to_blob(outf, dti, outversion);
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} else if (streq(outform, "asm")) {
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dt_to_asm(outf, dti, outversion);
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} else if (streq(outform, "null")) {
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/* do nothing */
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} else {
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die("Unknown output format \"%s\"\n", outform);
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}
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exit(0);
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}
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