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tools/env: Improve debug prints 

Provide more information when using redundant environments
Consistently print debug info to stderr

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Joe Hershberger 2012-10-15 15:29:25 +00:00 committed by Tom Rini
parent ce2f580017
commit 74620e1c94
1 changed files with 22 additions and 5 deletions
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27
tools/env/fw_env.c vendored
View File

@ -739,8 +739,8 @@ static int flash_read_buf (int dev, int fd, void *buf, size_t count,
return -1;
}
#ifdef DEBUG
fprintf (stderr, "Read 0x%x bytes at 0x%llx\n",
rc, blockstart + block_seek);
fprintf(stderr, "Read 0x%x bytes at 0x%llx on %s\n",
rc, blockstart + block_seek, DEVNAME(dev));
#endif
processed += readlen;
readlen = min (blocklen, count - processed);
@ -819,6 +819,18 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count,
if (write_total != rc)
return -1;
#ifdef DEBUG
fprintf(stderr, "Preserving data ");
if (block_seek != 0)
fprintf(stderr, "0x%x - 0x%lx", 0, block_seek - 1);
if (block_seek + count != write_total) {
if (block_seek != 0)
fprintf(stderr, " and ");
fprintf(stderr, "0x%lx - 0x%x",
block_seek + count, write_total - 1);
}
fprintf(stderr, "\n");
#endif
/* Overwrite the old environment */
memcpy (data + block_seek, buf, count);
} else {
@ -877,7 +889,8 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count,
}
#ifdef DEBUG
printf ("Write 0x%x bytes at 0x%llx\n", erasesize, blockstart);
fprintf(stderr, "Write 0x%x bytes at 0x%llx\n", erasesize,
blockstart);
#endif
if (write (fd, data + processed, erasesize) != erasesize) {
fprintf (stderr, "Write error on %s: %s\n",
@ -944,7 +957,7 @@ static int flash_write (int fd_current, int fd_target, int dev_target)
}
#ifdef DEBUG
printf ("Writing new environment at 0x%lx on %s\n",
fprintf(stderr, "Writing new environment at 0x%lx on %s\n",
DEVOFFSET (dev_target), DEVNAME (dev_target));
#endif
rc = flash_write_buf(dev_target, fd_target, environment.image,
@ -958,7 +971,8 @@ static int flash_write (int fd_current, int fd_target, int dev_target)
off_t offset = DEVOFFSET (dev_current) +
offsetof (struct env_image_redundant, flags);
#ifdef DEBUG
printf ("Setting obsolete flag in environment at 0x%lx on %s\n",
fprintf(stderr,
"Setting obsolete flag in environment at 0x%lx on %s\n",
DEVOFFSET (dev_current), DEVNAME (dev_current));
#endif
flash_flag_obsolete (dev_current, fd_current, offset);
@ -1225,6 +1239,9 @@ int fw_env_open(void)
/* Other pointers are already set */
free (addr1);
}
#ifdef DEBUG
fprintf(stderr, "Selected env in %s\n", DEVNAME(dev_current));
#endif
}
return 0;
}