[U-Boot-Users] [DTC PATCH 2/2] Add support for binary includes.
Scott Wood
scottwood at freescale.com
Thu Dec 20 17:48:29 CET 2007
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 at 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,
--
1.5.3
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