mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
a77725a9a3
This adds the following commits from upstream: 0a3a9d3449c8 checks: Add an interrupt-map check 8fd24744e361 checks: Ensure '#interrupt-cells' only exists in interrupt providers d8d1a9a77863 checks: Drop interrupt provider '#address-cells' check 52a16fd72824 checks: Make interrupt_provider check dependent on interrupts_extended_is_cell 37fd700685da treesource: Maintain phandle label/path on output e33ce1d6a8c7 flattree: Use '\n', not ';' to separate asm pseudo-ops d24cc189dca6 asm: Use assembler macros instead of cpp macros ff3a30c115ad asm: Use .asciz and .ascii instead of .string 5eb5927d81ee fdtdump: fix -Werror=int-to-pointer-cast 0869f8269161 libfdt: Add ALIGNMENT error string 69595a167f06 checks: Fix bus-range check 72d09e2682a4 Makefile: add -Wsign-compare to warning options b587787ef388 checks: Fix signedness comparisons warnings 69bed6c2418f dtc: Wrap phandle validity check 910221185560 fdtget: Fix signedness comparisons warnings d966f08fcd21 tests: Fix signedness comparisons warnings ecfb438c07fa dtc: Fix signedness comparisons warnings: pointer diff 5bec74a6d135 dtc: Fix signedness comparisons warnings: reservednum 24e7f511fd4a fdtdump: Fix signedness comparisons warnings b6910bec1161 Bump version to v1.6.1 21d61d18f968 Fix CID 1461557 4c2ef8f4d14c checks: Introduce is_multiple_of() e59ca36fb70e Make handling of cpp line information more tolerant 0c3fd9b6aceb checks: Drop interrupt_cells_is_cell check 6b3081abc4ac checks: Add check_is_cell() for all phandle+arg properties 2dffc192a77f yamltree: Remove marker ordering dependency 61e513439e40 pylibfdt: Rework "avoid unused variable warning" lines c8bddd106095 tests: add a positive gpio test case ad4abfadb687 checks: replace strstr and strrchr with strends 09c6a6e88718 dtc.h: add strends for suffix matching 9bb9b8d0b4a0 checks: tigthen up nr-gpios prop exception b07b62ee3342 libfdt: Add FDT alignment check to fdt_check_header() a2def5479950 libfdt: Check that the root-node name is empty 4ca61f84dc21 libfdt: Check that there is only one root node 34d708249a91 dtc: Remove -O dtbo support 8e7ff260f755 libfdt: Fix a possible "unchecked return value" warning 88875268c05c checks: Warn on node-name and property name being the same 9d2279e7e6ee checks: Change node-name check to match devicetree spec f527c867a8c6 util: limit gnu_printf format attribute to gcc >= 4.4.0 Reviewed-by: Frank Rowand <frank.rowand@sony.com> Tested-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
371 lines
9.2 KiB
C
371 lines
9.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
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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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unsigned 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_EPAPR; /* 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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int annotate; /* Level of annotation: 1 for input source location
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>1 for full input source location. */
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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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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:@AThv";
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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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{"annotate", no_argument, NULL, 'T'},
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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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#ifndef NO_YAML
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"\t\tyaml - device tree encoded as YAML\n"
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#endif
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"\t\tasm - assembler source",
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"\n\tBlob version to produce, defaults to "stringify(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\tAnnotate output .dts with input source file and line (-T -T for more details)",
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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, ".yaml"))
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return "yaml";
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if (!strcasecmp(s, ".dtbo"))
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return "dtb";
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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 = strtoul(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 'T':
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annotate++;
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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 (annotate && (!streq(inform, "dts") || !streq(outform, "dts")))
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die("--annotate requires -I dts -O dts\n");
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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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/* 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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process_checks(force, dti);
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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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#ifndef NO_YAML
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} else if (streq(outform, "yaml")) {
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if (!streq(inform, "dts"))
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die("YAML output format requires dts input format\n");
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dt_to_yaml(outf, dti);
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#endif
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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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