diff options
Diffstat (limited to 'apps/systemcmds/bl_update/bl_update.c')
| -rw-r--r-- | apps/systemcmds/bl_update/bl_update.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/apps/systemcmds/bl_update/bl_update.c b/apps/systemcmds/bl_update/bl_update.c index 752c01986..745f76852 100644 --- a/apps/systemcmds/bl_update/bl_update.c +++ b/apps/systemcmds/bl_update/bl_update.c @@ -67,10 +67,12 @@ bl_update_main(int argc, char *argv[]) setopt(); int fd = open(argv[1], O_RDONLY); + if (fd < 0) err(1, "open %s", argv[1]); struct stat s; + if (stat(argv[1], &s) < 0) err(1, "stat %s", argv[1]); @@ -79,14 +81,17 @@ bl_update_main(int argc, char *argv[]) errx(1, "%s: file too large", argv[1]); uint8_t *buf = malloc(s.st_size); + if (buf == NULL) errx(1, "failed to allocate %u bytes for firmware buffer", s.st_size); if (read(fd, buf, s.st_size) != s.st_size) err(1, "firmware read error"); + close(fd); uint32_t *hdr = (uint32_t *)buf; + if ((hdr[0] < 0x20000000) || /* stack not below RAM */ (hdr[0] > (0x20000000 + (128 * 1024))) || /* stack not above RAM */ (hdr[1] < 0x08000000) || /* entrypoint not below flash */ @@ -123,6 +128,7 @@ bl_update_main(int argc, char *argv[]) /* wait for the operation to complete */ while (*sr & 0x1000) { } + if (*sr & 0xf2) { warnx("WARNING: erase error 0x%02x", *sr); goto flash_end; @@ -148,6 +154,7 @@ bl_update_main(int argc, char *argv[]) /* wait for the operation to complete */ while (*sr & 0x1000) { } + if (*sr & 0xf2) { warnx("WARNING: program error 0x%02x", *sr); goto flash_end; @@ -203,6 +210,7 @@ setopt(void) if ((*optcr & opt_mask) == opt_bits) errx(0, "option bits set"); + errx(1, "option bits setting failed; readback 0x%04x", *optcr); }
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