From 6f05afcbb031722ec1eff77dde188ff2edf8940e Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Wed, 4 Jan 2017 10:45:20 -0600 Subject: scripts/dtc: Update to upstream version 0931cea3ba20 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 --- scripts/dtc/dtc.c | 69 +++++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 57 insertions(+), 12 deletions(-) (limited to 'scripts/dtc/dtc.c') diff --git a/scripts/dtc/dtc.c b/scripts/dtc/dtc.c index 5fa23c406266..a4edf4c7aebf 100644 --- a/scripts/dtc/dtc.c +++ b/scripts/dtc/dtc.c @@ -30,7 +30,16 @@ int quiet; /* Level of quietness */ int reservenum; /* Number of memory reservation slots */ int minsize; /* Minimum blob size */ int padsize; /* Additional padding to blob */ +int alignsize; /* Additional padding to blob accroding to the alignsize */ int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */ +int generate_symbols; /* enable symbols & fixup support */ +int generate_fixups; /* suppress generation of fixups on symbol support */ +int auto_label_aliases; /* auto generate labels -> aliases */ + +static int is_power_of_2(int x) +{ + return (x > 0) && ((x & (x - 1)) == 0); +} static void fill_fullpaths(struct node *tree, const char *prefix) { @@ -53,7 +62,7 @@ static void fill_fullpaths(struct node *tree, const char *prefix) #define FDT_VERSION(version) _FDT_VERSION(version) #define _FDT_VERSION(version) #version static const char usage_synopsis[] = "dtc [options] "; -static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv"; +static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:a:fb:i:H:sW:E:@Ahv"; static struct option const usage_long_opts[] = { {"quiet", no_argument, NULL, 'q'}, {"in-format", a_argument, NULL, 'I'}, @@ -64,6 +73,7 @@ static struct option const usage_long_opts[] = { {"reserve", a_argument, NULL, 'R'}, {"space", a_argument, NULL, 'S'}, {"pad", a_argument, NULL, 'p'}, + {"align", a_argument, NULL, 'a'}, {"boot-cpu", a_argument, NULL, 'b'}, {"force", no_argument, NULL, 'f'}, {"include", a_argument, NULL, 'i'}, @@ -71,6 +81,8 @@ static struct option const usage_long_opts[] = { {"phandle", a_argument, NULL, 'H'}, {"warning", a_argument, NULL, 'W'}, {"error", a_argument, NULL, 'E'}, + {"symbols", no_argument, NULL, '@'}, + {"auto-alias", no_argument, NULL, 'A'}, {"help", no_argument, NULL, 'h'}, {"version", no_argument, NULL, 'v'}, {NULL, no_argument, NULL, 0x0}, @@ -91,6 +103,7 @@ static const char * const usage_opts_help[] = { "\n\tMake space for reserve map entries (for dtb and asm output)", "\n\tMake the blob at least long (extra space)", "\n\tAdd padding to the blob of long (extra space)", + "\n\tMake the blob align to the (extra space)", "\n\tSet the physical boot cpu", "\n\tTry to produce output even if the input tree has errors", "\n\tAdd a path to search for include files", @@ -101,6 +114,8 @@ static const char * const usage_opts_help[] = { "\t\tboth - Both \"linux,phandle\" and \"phandle\" properties", "\n\tEnable/disable warnings (prefix with \"no-\")", "\n\tEnable/disable errors (prefix with \"no-\")", + "\n\tEnable generation of symbols", + "\n\tEnable auto-alias of labels", "\n\tPrint this help and exit", "\n\tPrint version and exit", NULL, @@ -153,7 +168,7 @@ static const char *guess_input_format(const char *fname, const char *fallback) int main(int argc, char *argv[]) { - struct boot_info *bi; + struct dt_info *dti; const char *inform = NULL; const char *outform = NULL; const char *outname = "-"; @@ -169,6 +184,7 @@ int main(int argc, char *argv[]) reservenum = 0; minsize = 0; padsize = 0; + alignsize = 0; while ((opt = util_getopt_long()) != EOF) { switch (opt) { @@ -196,6 +212,12 @@ int main(int argc, char *argv[]) case 'p': padsize = strtol(optarg, NULL, 0); break; + case 'a': + alignsize = strtol(optarg, NULL, 0); + if (!is_power_of_2(alignsize)) + die("Invalid argument \"%d\" to -a option\n", + optarg); + break; case 'f': force = true; break; @@ -234,6 +256,13 @@ int main(int argc, char *argv[]) parse_checks_option(false, true, optarg); break; + case '@': + generate_symbols = 1; + break; + case 'A': + auto_label_aliases = 1; + break; + case 'h': usage(NULL); default: @@ -272,11 +301,11 @@ int main(int argc, char *argv[]) } } if (streq(inform, "dts")) - bi = dt_from_source(arg); + dti = dt_from_source(arg); else if (streq(inform, "fs")) - bi = dt_from_fs(arg); + dti = dt_from_fs(arg); else if(streq(inform, "dtb")) - bi = dt_from_blob(arg); + dti = dt_from_blob(arg); else die("Unknown input format \"%s\"\n", inform); @@ -286,13 +315,29 @@ int main(int argc, char *argv[]) } if (cmdline_boot_cpuid != -1) - bi->boot_cpuid_phys = cmdline_boot_cpuid; + dti->boot_cpuid_phys = cmdline_boot_cpuid; + + fill_fullpaths(dti->dt, ""); + process_checks(force, dti); + + /* on a plugin, generate by default */ + if (dti->dtsflags & DTSF_PLUGIN) { + generate_fixups = 1; + } - fill_fullpaths(bi->dt, ""); - process_checks(force, bi); + if (auto_label_aliases) + generate_label_tree(dti, "aliases", false); + + if (generate_symbols) + generate_label_tree(dti, "__symbols__", true); + + if (generate_fixups) { + generate_fixups_tree(dti, "__fixups__"); + generate_local_fixups_tree(dti, "__local_fixups__"); + } if (sort) - sort_tree(bi); + sort_tree(dti); if (streq(outname, "-")) { outf = stdout; @@ -304,11 +349,11 @@ int main(int argc, char *argv[]) } if (streq(outform, "dts")) { - dt_to_source(outf, bi); + dt_to_source(outf, dti); } else if (streq(outform, "dtb")) { - dt_to_blob(outf, bi, outversion); + dt_to_blob(outf, dti, outversion); } else if (streq(outform, "asm")) { - dt_to_asm(outf, bi, outversion); + dt_to_asm(outf, dti, outversion); } else if (streq(outform, "null")) { /* do nothing */ } else { -- cgit v1.2.3-59-g8ed1b