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6f05afcbb0
Sync to upstream dtc commit 0931cea3ba20 ("dtc: fdtdump: check fdt if not in scanning mode"). In particular, this pulls in dtc overlay support. This adds the following commits from upstream: f88865469b65 dtc: Fix memory leak in character literal parsing 00fbb8696b66 Rename boot_info 1ef86ad2c24f dtc: Clean up /dts-v1/ and /plugin/ handling in grammar e3c769aa9c16 dtc: Don't always generate __symbols__ for plugins c96cb3c0169e tests: Don't use -@ on plugin de/recompile tests 66381538ce24 tests: Remove "suppression of fixups" tests ba765b273f0f tests: Clarify dtc overlay tests 6ea8cd944fcd tests: More thorough tests of libfdt overlay application without dtc 7d8ef6e1db97 tests: Correct fdt handling of overlays without fixups and base trees without symbols b4dc0ed8b127 tests: Fix double expansion bugs in test code 3ea879dc0c8f tests: Split overlay tests into those with do/don't exercise dtc plugin generation 47b4d66a2f11 tests: Test auto-alias generation on base tree, not overlay 72e1ad811523 tests: Make overlay/plugin tests unconditional e7b3c3b5951b tests: Add overlay tests 9637e3f772a9 tests: Add check_path test 20f29d8d41f6 dtc: Plugin and fixup support a2c92cac53f8 dtc: Document the dynamic plugin internals 8f70ac39801d checks: Pass boot_info instead of root node ea10f953878f libfdt: add missing errors to fdt_strerror() daa75e8fa594 libfdt: fix fdt_stringlist_search() e28eff5b787a libfdt: fix fdt_stringlist_count() ae97c7722840 tests: overlay: Rename the device tree blobs to be more explicit 96162d2bd9cb tests: overlay: Add test suffix to the compiled blobs 5ce8634733b7 libfdt: Add fdt_overlay_apply to the exported symbols 804a9db90ad2 fdt: strerr: Remove spurious BADOVERLAY e8c3a1a493fa tests: overlay: Move back the bad fixup tests 7a72d89d3f81 libfdt: overlay: Fix symbols and fixups nodes condition cabbaa972cdd libfdt: overlay: Report a bad overlay for mismatching local fixups deb0a5c1aeaa libfdt: Add BADPHANDLE error string 7b7a6be9ba15 libfdt: Don't use 'index' as a local variable name aea8860d831e tests: Add tests cases for the overlay code 0cdd06c5135b libfdt: Add overlay application function 39240cc865cf libfdt: Extend the reach of FDT_ERR_BADPHANDLE 4aa3a6f5e6d9 libfdt: Add new errors for the overlay code 6d1832c9e64b dtc: Remove "home page" link 45fd440a9561 Fix some typing errors in libfdt.h and livetree.c a59be4939c13 Merge tag 'v1.4.2' a34bb721caca dtc: Fix assorted problems in the testcases for the -a option 874f40588d3e Implement the -a option to pad dtb aligned ec02b34c05be dtc: Makefile improvements for release uploading 1ed45d40a137 dtc: Bump version to 1.4.2 36fd7331fb11 libfdt: simplify fdt_del_mem_rsv() d877364e4a0f libfdt: Add fdt_setprop_inplace_namelen_partial 3e9037aaad44 libfdt: Add fdt_getprop_namelen_w 84e0e1346c68 libfdt: Add max phandle retrieval function d29126c90acb libfdt: Add iterator over properties 902d0f0953d0 libfdt: Add a subnodes iterator macro c539075ba8ba fdtput.c: Fix memory leak. f79ddb83e185 fdtget.c: Fix memory leak 1074ee54b63f convert-dtsv0-lexer.l: fix memory leak e24d39a024e6 fdtdump.c: make sure size_t argument to memchr is always unsigned. 44a59713cf05 Remove unused srcpos_dump() function cb9241ae3453 DTC: Fix memory leak on flatname. 1ee0ae24ea09 Simplify check field and macro names 9d97527a8621 Remove property check functions 2e709d158e11 Remove tree check functions c4cb12e193e3 Alter grammar to allow multiple /dts-v1/ tags d71d25d76012 Use xasprintf() in srcpos 9dc404958e9c util: Add xasprintf portable asprintf variant beef80b8b55f Correct a missing space in a fdt_header cast 68d43cec1253 Correct line lengths in libfdt.h b0dbceafd49a Correct space-after-tab in libfdt.h Signed-off-by: Rob Herring <robh@kernel.org>
365 lines
9.3 KiB
C
365 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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uint32_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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magic = fdt32_to_cpu(magic);
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if (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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optarg);
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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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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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