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| author | Keith Packard <keithp@keithp.com> | 2017-01-06 09:10:23 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2017-02-20 11:22:21 -0800 |
| commit | f0c187dd6479996b83f85b6decf303ec0fc70fe5 (patch) | |
| tree | 0ab879de409ff50d907bc6eab0878e56c0fe0b6a | |
| parent | 61f729567ff6355ab52c3e83399761103022a41a (diff) | |
ao-tools/ao-usbload: Pad image with 0xff instead of random bits
Clear the temporary block to 0xff before copying in the target data so
that any unused bytes end up being left at 0xff instead of inheriting
whatever data was in the block before.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | ao-tools/lib/ao-selfload.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/ao-tools/lib/ao-selfload.c b/ao-tools/lib/ao-selfload.c index 0a23dfda..754cd784 100644 --- a/ao-tools/lib/ao-selfload.c +++ b/ao-tools/lib/ao-selfload.c @@ -110,6 +110,7 @@ ao_self_write(struct cc_usb *cc, struct ao_hex_image *image) start = image->address; if (stop > image->address + image->length) stop = image->address + image->length; + memset(block, 0xff, 0x100); memcpy(block + start - address, image->data + start - image->address, stop - start); ao_self_block_write(cc, address, block); ao_self_block_read(cc, address, check); |