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sandbox: block driver using host file/device as backing store

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Provide a way to use any host file or device as a block device in U-Boot.
This can be used to provide filesystem access within U-Boot to an ext2
image file on the host, for example.

The support is plumbed into the filesystem and partition interfaces.

We don't want to print a message in the driver every time we find a missing
device. Pass the information back to the caller where a message can be printed
if desired.

Signed-off-by: Henrik Nordström <henrik@henriknordstrom.net>
Signed-off-by: Simon Glass <sjg@chromium.org>
- Removed change to part.c get_device_and_partition()

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Henrik Nordström 2013-11-10 10:26:56 -07:00 • committed by Simon Glass
parent 60d18d3fe9
commit f4d8de48f5
8 changed files with 223 additions and 1 deletions
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3
include/config_fallbacks.h
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@ -50,7 +50,8 @@
defined(CONFIG_CMD_PART) || \
defined(CONFIG_CMD_GPT) || \
defined(CONFIG_MMC) || \
defined(CONFIG_SYSTEMACE)
defined(CONFIG_SYSTEMACE) || \
defined(CONFIG_SANDBOX)
#define HAVE_BLOCK_DEVICE
#endif