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-rw-r--r--tools/firmware-utils/src/mkdlinkfw-lib.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/tools/firmware-utils/src/mkdlinkfw-lib.c b/tools/firmware-utils/src/mkdlinkfw-lib.c
index a661c0bc82..3b71fda7db 100644
--- a/tools/firmware-utils/src/mkdlinkfw-lib.c
+++ b/tools/firmware-utils/src/mkdlinkfw-lib.c
@@ -34,9 +34,24 @@ extern char *progname;
uint32_t jboot_timestamp(void)
{
- time_t rawtime;
- time(&rawtime);
- return (((uint32_t) rawtime) - TIMESTAMP_MAGIC) >> 2;
+ char *env = getenv("SOURCE_DATE_EPOCH");
+ char *endptr = env;
+ time_t fixed_timestamp = -1;
+ errno = 0;
+
+ if (env && *env) {
+ fixed_timestamp = strtoull(env, &endptr, 10);
+
+ if (errno || (endptr && *endptr != '\0')) {
+ fprintf(stderr, "Invalid SOURCE_DATE_EPOCH");
+ fixed_timestamp = -1;
+ }
+ }
+
+ if (fixed_timestamp == -1)
+ time(&fixed_timestamp);
+
+ return (((uint32_t) fixed_timestamp) - TIMESTAMP_MAGIC) >> 2;
}
uint16_t jboot_checksum(uint16_t start_val, uint16_t *data, int size)