A property's data can be populated with a file's contents as follows:
node { prop = /bin-include/ "path/to/data"; };
Search paths are not yet implemented; non-absolute lookups are relative to the directory from which dtc was invoked.
Signed-off-by: Scott Wood scottwood@freescale.com --- dtc-lexer.l | 6 ++++++ dtc-parser.y | 26 ++++++++++++++++++++++++++ dtc.h | 1 + 3 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/dtc-lexer.l b/dtc-lexer.l index c811b22..1f3e6d6 100644 --- a/dtc-lexer.l +++ b/dtc-lexer.l @@ -190,6 +190,12 @@ static int dts_version; /* = 0 */ return DT_PROPNODENAME; }
+"/bin-include/" { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Binary Include\n"); + return DT_BININCLUDE; + }
<*>[[:space:]]+ /* eat whitespace */
diff --git a/dtc-parser.y b/dtc-parser.y index 4a0181d..c7ed715 100644 --- a/dtc-parser.y +++ b/dtc-parser.y @@ -21,6 +21,8 @@ %locations
%{ +#include <sys/stat.h> + #include "dtc.h" #include "srcpos.h"
@@ -58,6 +60,7 @@ extern struct boot_info *the_boot_info; %token <data> DT_STRING %token <labelref> DT_LABEL %token <labelref> DT_REF +%token DT_BININCLUDE
%type <data> propdata %type <data> propdataprefix @@ -196,6 +199,29 @@ propdata: { $$ = data_add_marker($1, REF_PATH, $2); } + | propdataprefix DT_BININCLUDE DT_STRING + { + struct stat st; + FILE *f; + int fd; + + f = fopen($3.val, "rb"); + if (!f) { + yyerrorf("Cannot open file "%s": %s", + $3.val, strerror(errno)); + YYERROR; + } + + fd = fileno(f); + if (fstat(fd, &st) < 0) { + yyerrorf("Cannot stat file "%s": %s", + $3.val, strerror(errno)); + YYERROR; + } + + $$ = data_merge($1, data_copy_file(f, st.st_size)); + fclose(f); + } | propdata DT_LABEL { $$ = data_add_marker($1, LABEL, $2); diff --git a/dtc.h b/dtc.h index 9b89689..87b5bb1 100644 --- a/dtc.h +++ b/dtc.h @@ -138,6 +138,7 @@ struct data data_grow_for(struct data d, int xlen); struct data data_copy_mem(const char *mem, int len); struct data data_copy_escape_string(const char *s, int len); struct data data_copy_file(FILE *f, size_t len); +struct data data_bin_include(const char *filename);
struct data data_append_data(struct data d, const void *p, int len); struct data data_insert_at_marker(struct data d, struct marker *m,