#
fa894a36 |
|
06-Nov-2023 |
David Oberhollenzer <goliath@infraroot.at> |
fs/squashfs: enable LZ4 compression support The structure is identical to the existing compressor implementations, trivially adding lz4 decompression to sqfs_decompress. The changes were tested using a sandbox build. An LZ4 compressed squashfs image was bound as a host block device. Signed-off-by: David Oberhollenzer <goliath@infraroot.at> Reviewed-by: Joao Marcos Costa <jmcosta944@gmail.com> |
#
4b9b25d9 |
|
12-Jan-2023 |
Brandon Maier <brandon.maier@collins.com> |
lib: zstd: update to latest Linux zstd 1.5.2 Update the zstd implementation to match Linux zstd 1.5.2 from commit 2aa14b1ab2. This was motivated by running into decompression corruption issues when trying to uncompress files compressed with newer versions of zstd. zstd users also claim significantly improved decompression times with newer zstd versions which is a side benefit. Original zstd code was copied from Linux commit 2aa14b1ab2 which is a custom-built implementation based on zstd 1.3.1. Linux switched to an implementation that is a copy of the upstream zstd code in Linux commit e0c1b49f5b, this results in a large code diff. However this should make future updates easier along with other benefits[1]. This commit is a straight mirror of the Linux zstd code, except to: - update a few #include that do not translate cleanly - linux/swab.h -> asm/byteorder.h - linux/limits.h -> linux/kernel.h - linux/module.h -> linux/compat.h - remove assert() from debug.h so it doesn't conflict with u-boot's assert() - strip out the compressor code as was done in the previous u-boot zstd - update existing zstd users to the new Linux zstd API - change the #define for MEM_STATIC to use INLINE_KEYWORD for codesize - add a new KConfig option that sets zstd build options to minify code based on zstd's ZSTD_LIB_MINIFY[2]. These changes were tested by booting a zstd 1.5.2 compressed kernel inside a FIT. And the squashfs changes by loading a file from zstd compressed squashfs with sqfsload. buildman was used to compile test other boards and check for binary bloat, as follows: > $ buildman -b zstd2 --boards dh_imx6,m53menlo,mvebu_espressobin-88f3720,sandbox,sandbox64,stm32mp15_dhcom_basic,stm32mp15_dhcor_basic,turris_mox,turris_omnia -sS > Summary of 6 commits for 9 boards (8 threads, 1 job per thread) > 01: Merge branch '2023-01-10-platform-updates' > arm: w+ m53menlo dh_imx6 > 02: lib: zstd: update to latest Linux zstd 1.5.2 > aarch64: (for 2/2 boards) all -3186.0 rodata +920.0 text -4106.0 > arm: (for 5/5 boards) all +1254.4 rodata +940.0 text +314.4 > sandbox: (for 2/2 boards) all -4452.0 data -16.0 rodata +640.0 text -5076.0 [1] https://github.com/torvalds/linux/commit/e0c1b49f5b674cca7b10549c53b3791d0bbc90a8 [2] https://github.com/facebook/zstd/blob/f302ad8811643c428c4e3498e28f53a0578020d3/lib/libzstd.mk#L31 Signed-off-by: Brandon Maier <brandon.maier@collins.com> [trini: Set ret to -EINVAL for the error of "failed to detect compressed" to fix warning, drop ZSTD_SRCSIZEHINT_MAX for non-Linux host tool builds] Signed-off-by: Tom Rini <trini@konsulko.com> |
#
6dfed163 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for LZO decompression Add call to lzo's lzo1x_decompress_safe() into sqfs_decompress(). U-Boot's LZO sources may still have some unsolved issues that could make the decompression crash when dealing with fragmented files, so those should be avoided. The "-no-fragments" option can be passed to mksquashfs. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
9c948f53 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for ZSTD decompression Add call to ZSTD's ZSTD_decompressDCtx(). In this use case, the caller can upper bound the decompressed size, which will be the SquashFS data block (or metadata block) size, so there is no need to use streaming API. Add ZSTD's worskpace to squashfs_ctxt structure. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
cdc11441 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: replace sqfs_decompress() parameter Replace 'u16 comp_type' by a reference to squashfs_ctxt structure. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
10f7cf5f |
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18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: Add init and clean-up functions to decompression Add sqfs_decompressor_init() and sqfs_decompressor_cleanup(). These functions are called respectively in sqfs_probe() and sqfs_close(). For now, only ZSTD requires an initialization logic. ZSTD support will be added in a follow-up commit. Move squashfs_ctxt definition to sqfs_filesystem.h. This structure is passed to sqfs_decompressor_init() and sqfs_decompressor_cleanup(), so it can no longer be local to sqfs.c. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
3634b350 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for zlib decompression Add call to zlib's 'uncompress' function. Add function to display the right error message depending on the decompression's return value. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
c5100613 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: new filesystem Add support for SquashFS filesystem. Right now, it does not support compression but support for zlib will be added in a follow-up commit. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
4b9b25d9 |
|
12-Jan-2023 |
Brandon Maier <brandon.maier@collins.com> |
lib: zstd: update to latest Linux zstd 1.5.2 Update the zstd implementation to match Linux zstd 1.5.2 from commit 2aa14b1ab2. This was motivated by running into decompression corruption issues when trying to uncompress files compressed with newer versions of zstd. zstd users also claim significantly improved decompression times with newer zstd versions which is a side benefit. Original zstd code was copied from Linux commit 2aa14b1ab2 which is a custom-built implementation based on zstd 1.3.1. Linux switched to an implementation that is a copy of the upstream zstd code in Linux commit e0c1b49f5b, this results in a large code diff. However this should make future updates easier along with other benefits[1]. This commit is a straight mirror of the Linux zstd code, except to: - update a few #include that do not translate cleanly - linux/swab.h -> asm/byteorder.h - linux/limits.h -> linux/kernel.h - linux/module.h -> linux/compat.h - remove assert() from debug.h so it doesn't conflict with u-boot's assert() - strip out the compressor code as was done in the previous u-boot zstd - update existing zstd users to the new Linux zstd API - change the #define for MEM_STATIC to use INLINE_KEYWORD for codesize - add a new KConfig option that sets zstd build options to minify code based on zstd's ZSTD_LIB_MINIFY[2]. These changes were tested by booting a zstd 1.5.2 compressed kernel inside a FIT. And the squashfs changes by loading a file from zstd compressed squashfs with sqfsload. buildman was used to compile test other boards and check for binary bloat, as follows: > $ buildman -b zstd2 --boards dh_imx6,m53menlo,mvebu_espressobin-88f3720,sandbox,sandbox64,stm32mp15_dhcom_basic,stm32mp15_dhcor_basic,turris_mox,turris_omnia -sS > Summary of 6 commits for 9 boards (8 threads, 1 job per thread) > 01: Merge branch '2023-01-10-platform-updates' > arm: w+ m53menlo dh_imx6 > 02: lib: zstd: update to latest Linux zstd 1.5.2 > aarch64: (for 2/2 boards) all -3186.0 rodata +920.0 text -4106.0 > arm: (for 5/5 boards) all +1254.4 rodata +940.0 text +314.4 > sandbox: (for 2/2 boards) all -4452.0 data -16.0 rodata +640.0 text -5076.0 [1] https://github.com/torvalds/linux/commit/e0c1b49f5b674cca7b10549c53b3791d0bbc90a8 [2] https://github.com/facebook/zstd/blob/f302ad8811643c428c4e3498e28f53a0578020d3/lib/libzstd.mk#L31 Signed-off-by: Brandon Maier <brandon.maier@collins.com> [trini: Set ret to -EINVAL for the error of "failed to detect compressed" to fix warning, drop ZSTD_SRCSIZEHINT_MAX for non-Linux host tool builds] Signed-off-by: Tom Rini <trini@konsulko.com> |
#
6dfed163 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for LZO decompression Add call to lzo's lzo1x_decompress_safe() into sqfs_decompress(). U-Boot's LZO sources may still have some unsolved issues that could make the decompression crash when dealing with fragmented files, so those should be avoided. The "-no-fragments" option can be passed to mksquashfs. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
9c948f53 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for ZSTD decompression Add call to ZSTD's ZSTD_decompressDCtx(). In this use case, the caller can upper bound the decompressed size, which will be the SquashFS data block (or metadata block) size, so there is no need to use streaming API. Add ZSTD's worskpace to squashfs_ctxt structure. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
cdc11441 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: replace sqfs_decompress() parameter Replace 'u16 comp_type' by a reference to squashfs_ctxt structure. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
10f7cf5f |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: Add init and clean-up functions to decompression Add sqfs_decompressor_init() and sqfs_decompressor_cleanup(). These functions are called respectively in sqfs_probe() and sqfs_close(). For now, only ZSTD requires an initialization logic. ZSTD support will be added in a follow-up commit. Move squashfs_ctxt definition to sqfs_filesystem.h. This structure is passed to sqfs_decompressor_init() and sqfs_decompressor_cleanup(), so it can no longer be local to sqfs.c. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
3634b350 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for zlib decompression Add call to zlib's 'uncompress' function. Add function to display the right error message depending on the decompression's return value. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
c5100613 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: new filesystem Add support for SquashFS filesystem. Right now, it does not support compression but support for zlib will be added in a follow-up commit. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
6dfed163 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for LZO decompression Add call to lzo's lzo1x_decompress_safe() into sqfs_decompress(). U-Boot's LZO sources may still have some unsolved issues that could make the decompression crash when dealing with fragmented files, so those should be avoided. The "-no-fragments" option can be passed to mksquashfs. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
9c948f53 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for ZSTD decompression Add call to ZSTD's ZSTD_decompressDCtx(). In this use case, the caller can upper bound the decompressed size, which will be the SquashFS data block (or metadata block) size, so there is no need to use streaming API. Add ZSTD's worskpace to squashfs_ctxt structure. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
cdc11441 |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: replace sqfs_decompress() parameter Replace 'u16 comp_type' by a reference to squashfs_ctxt structure. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
10f7cf5f |
|
18-Aug-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: Add init and clean-up functions to decompression Add sqfs_decompressor_init() and sqfs_decompressor_cleanup(). These functions are called respectively in sqfs_probe() and sqfs_close(). For now, only ZSTD requires an initialization logic. ZSTD support will be added in a follow-up commit. Move squashfs_ctxt definition to sqfs_filesystem.h. This structure is passed to sqfs_decompressor_init() and sqfs_decompressor_cleanup(), so it can no longer be local to sqfs.c. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
3634b350 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for zlib decompression Add call to zlib's 'uncompress' function. Add function to display the right error message depending on the decompression's return value. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
c5100613 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: new filesystem Add support for SquashFS filesystem. Right now, it does not support compression but support for zlib will be added in a follow-up commit. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
3634b350 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: add support for zlib decompression Add call to zlib's 'uncompress' function. Add function to display the right error message depending on the decompression's return value. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
#
c5100613 |
|
30-Jul-2020 |
Joao Marcos Costa <joaomarcos.costa@bootlin.com> |
fs/squashfs: new filesystem Add support for SquashFS filesystem. Right now, it does not support compression but support for zlib will be added in a follow-up commit. Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com> |