path: root/scripts/dtc/flattree.c
diff options
authorRob Herring <robh@kernel.org>2017-01-04 10:45:20 -0600
committerRob Herring <robh@kernel.org>2017-01-04 10:47:53 -0600
commit6f05afcbb031722ec1eff77dde188ff2edf8940e (patch)
tree495052132dcba998f88e38d128d9781adfdc9272 /scripts/dtc/flattree.c
parentLinux 4.10-rc2 (diff)
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 <robh@kernel.org>
Diffstat (limited to 'scripts/dtc/flattree.c')
1 files changed, 27 insertions, 14 deletions
diff --git a/scripts/dtc/flattree.c b/scripts/dtc/flattree.c
index ec14954f5810..ebac548b3fa8 100644
--- a/scripts/dtc/flattree.c
+++ b/scripts/dtc/flattree.c
@@ -366,7 +366,7 @@ static void make_fdt_header(struct fdt_header *fdt,
fdt->size_dt_struct = cpu_to_fdt32(dtsize);
-void dt_to_blob(FILE *f, struct boot_info *bi, int version)
+void dt_to_blob(FILE *f, struct dt_info *dti, int version)
struct version_info *vi = NULL;
int i;
@@ -384,29 +384,36 @@ void dt_to_blob(FILE *f, struct boot_info *bi, int version)
if (!vi)
die("Unknown device tree blob version %d\n", version);
- flatten_tree(bi->dt, &bin_emitter, &dtbuf, &strbuf, vi);
+ flatten_tree(dti->dt, &bin_emitter, &dtbuf, &strbuf, vi);
bin_emit_cell(&dtbuf, FDT_END);
- reservebuf = flatten_reserve_list(bi->reservelist, vi);
+ reservebuf = flatten_reserve_list(dti->reservelist, vi);
/* Make header */
make_fdt_header(&fdt, vi, reservebuf.len, dtbuf.len, strbuf.len,
- bi->boot_cpuid_phys);
+ dti->boot_cpuid_phys);
* If the user asked for more space than is used, adjust the totalsize.
if (minsize > 0) {
padlen = minsize - fdt32_to_cpu(fdt.totalsize);
- if ((padlen < 0) && (quiet < 1))
- fprintf(stderr,
- "Warning: blob size %d >= minimum size %d\n",
- fdt32_to_cpu(fdt.totalsize), minsize);
+ if (padlen < 0) {
+ padlen = 0;
+ if (quiet < 1)
+ fprintf(stderr,
+ "Warning: blob size %d >= minimum size %d\n",
+ fdt32_to_cpu(fdt.totalsize), minsize);
+ }
if (padsize > 0)
padlen = padsize;
+ if (alignsize > 0)
+ padlen = ALIGN(fdt32_to_cpu(fdt.totalsize) + padlen, alignsize)
+ - fdt32_to_cpu(fdt.totalsize);
if (padlen > 0) {
int tsize = fdt32_to_cpu(fdt.totalsize);
tsize += padlen;
@@ -460,7 +467,7 @@ static void dump_stringtable_asm(FILE *f, struct data strbuf)
-void dt_to_asm(FILE *f, struct boot_info *bi, int version)
+void dt_to_asm(FILE *f, struct dt_info *dti, int version)
struct version_info *vi = NULL;
int i;
@@ -500,7 +507,7 @@ void dt_to_asm(FILE *f, struct boot_info *bi, int version)
if (vi->flags & FTF_BOOTCPUID) {
fprintf(f, "\t/* boot_cpuid_phys */\n");
- asm_emit_cell(f, bi->boot_cpuid_phys);
+ asm_emit_cell(f, dti->boot_cpuid_phys);
if (vi->flags & FTF_STRTABSIZE) {
@@ -530,7 +537,7 @@ void dt_to_asm(FILE *f, struct boot_info *bi, int version)
* Use .long on high and low halfs of u64s to avoid .quad
* as it appears .quad isn't available in some assemblers.
- for (re = bi->reservelist; re; re = re->next) {
+ for (re = dti->reservelist; re; re = re->next) {
struct label *l;
for_each_label(re->labels, l) {
@@ -550,7 +557,7 @@ void dt_to_asm(FILE *f, struct boot_info *bi, int version)
fprintf(f, "\t.long\t0, 0\n\t.long\t0, 0\n");
emit_label(f, symprefix, "struct_start");
- flatten_tree(bi->dt, &asm_emitter, f, &strbuf, vi);
+ flatten_tree(dti->dt, &asm_emitter, f, &strbuf, vi);
fprintf(f, "\t/* FDT_END */\n");
asm_emit_cell(f, FDT_END);
@@ -572,6 +579,8 @@ void dt_to_asm(FILE *f, struct boot_info *bi, int version)
if (padsize > 0) {
fprintf(f, "\t.space\t%d, 0\n", padsize);
+ if (alignsize > 0)
+ asm_emit_align(f, alignsize);
emit_label(f, symprefix, "blob_abs_end");
@@ -797,11 +806,15 @@ static struct node *unflatten_tree(struct inbuf *dtbuf,
} while (val != FDT_END_NODE);
+ if (node->name != flatname) {
+ free(flatname);
+ }
return node;
-struct boot_info *dt_from_blob(const char *fname)
+struct dt_info *dt_from_blob(const char *fname)
FILE *f;
uint32_t magic, totalsize, version, size_dt, boot_cpuid_phys;
@@ -929,5 +942,5 @@ struct boot_info *dt_from_blob(const char *fname)
- return build_boot_info(reservelist, tree, boot_cpuid_phys);
+ return build_dt_info(DTSF_V1, reservelist, tree, boot_cpuid_phys);