diff options
Diffstat (limited to 'tools/firmware-utils/src/mkdlinkfw-lib.c')
| -rw-r--r-- | tools/firmware-utils/src/mkdlinkfw-lib.c | 21 |
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) |