Move the use of md5s for recording filesystem file integrity
checks to sha256 hashes as they're preferred due to being
less likely to produce clashing hashes. In the process
generalise some of the wording to use the more generic
hash term.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>

`egrep` has been deprecated in GNU grep since 2007,
and since 3.8 it emits obsolescence warnings:
https://git.savannah.gnu.org/cgit/grep.git/commit/?id=a9515624709865d480e3142fd959bccd1c9372d1
Acked-by: Dhruva Gole <d-gole@ti.com>

Coreutils command nproc can be used on Linux and BSD to count the number of
available CPU cores. Use this instead of relying on the parsing of the
Linux specific proc file system.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

For a long time now, 'sb' has been deprecated as a command in favor of
using 'host' for the sandbox hostfs interface, switch.

Signed-off-by: Tom Rini <trini@konsulko.com>

As far as this patch series has been applied, all the tests should
pass. So update the test result summary.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

The error message to be matched is wrong. Fix it.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

Given 0dc1bfb7302d ("fs: fat: cannot write to subdirectories") we have
changed how the FAT code works from creating the illegal file "./file"
and instead rejecting the path.  The correct behavior would be to write
"file" to "." but not writing an illegal file is a step in the right
direction.  For now, update the expected output to account for the
failure.

Signed-off-by: Tom Rini <trini@konsulko.com>

Added a simple ls to a nonexistent directory for test 1.
In case the driver is broken for a nonexistent directory, U-boot
might crash.

Here is an example failed output:

=> # Test Case 1 - ls
=> ext4ls host 0:0
<DIR>       4096 .
<DIR>       4096 ..
<DIR>      16384 lost+found
<DIR>       4096 SUBDIR
      2621440000 2.5GB.file
         1048576 1MB.file
=> # In addition, test with a nonexistent directory to see if we crash.
=> ext4ls host 0:0 invalid_d
** Can not find directory. **
./test/fs/fs-test.sh: line 161: 25786 Segmentation fault      (core dumped) $UBOOT  <<EOF

Subsequent tests will fail if U-boot crashes.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

As part of the main conversion a few files were missed.  These files had
additional whitespace after the '*' and before the SPDX tag and my
previous regex was too strict.  This time I did a grep for all SPDX tags
and then filtered out anything that matched the correct styles.

Fixes: 83d290c56fab ("SPDX: Convert all of our single license tags to Linux Kernel style")
Reported-by: Heinrich Schuchardt <xypron.debian@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>