On 2023-07-25 05:50, Manoj Sai wrote: > This patchset adds the support on Rockchip based ARM64 SOC's that compress > the U-BOOT proper along with dtb > and ATF in FIT image format.Second stage bootloader(SPL) loads the compressed > binaries, uncompress > them and handover control to the next stage. > > Changes for V2 :- > > - Removed the need to create gzip and lzma compressed U-boot-nodtb files > using Makefile and added a changeset > that "compress" field to u-boot-nodtb node and "compression" field to u-boot > Node in the FIT image, with the help > of this change binman will create the compressed Binaries. > > Size Comparision between compressed and uncompressed binaries :- > > size of uncompressed binary :- 9.4 MB (94,26,432 bytes) > manoj:u-boot$ ls -lb u-boot-rockchip.bin > -rw-rw-r-- 1 manoj manoj 9426432 Jul 25 07:42 u-boot-rockchip.bin > > size of GZIP compressed binary :- 9.0 MB (89,85,088 bytes) > manoj:u-boot$ ls -lb u-boot-rockchip.bin > -rw-rw-r-- 1 manoj manoj 8985088 Jul 25 07:42 u-boot-rockchip.bin > > size of LZMA compressed binary :- 9.0 MB (90,06,080 bytes) > manoj:u-boot$ ls -lb u-boot-rockchip.bin > -rw-rw-r-- 1 manoj manoj 9006080 Jul 25 07:47 u-boot-rockchip.bin > > - modified to use the CONFIG_SYS_LOAD_ADDR as the source RAM address to store > the compressed U-Boot binary which > will be defined in the machine defconfig file in place of creating a new RAM > address for a specific board using Kconfig. > so patchset related to adding a new RAM address to store compressed binary > has been removed in V2 patchset. > > - Removed the patchset related to adding the u-boot-nodtb.bin.gz and > u-boot-nodtb.bin.lzma as input binary to binman. > > > -- Test results of Booting time using bootstage command in Uboot command > prompt on roc-rk3399-pc board :- > > 1) Uncompressed U-BOOT : Total boot time ≈ 12.3 seconds > => bootstage report > Timer summary in microseconds (10 records): > Mark Elapsed Stage > 0 0 reset > 1,824,330 1,824,330 board_init_f > 2,921,678 1,097,348 board_init_r > 5,179,369 2,257,691 eth_common_init > 5,478,307 298,938 eth_initialize > 5,478,484 177 main_loop > 5,478,641 157 usb_start > 12,017,936 6,539,295 cli_loop > > Accumulated time: > 15,899 dm_r > 694,371 dm_f > > 2) GZIP Compressed U-BOOT : Total boot time ≈ 13.5 seconds > => bootstage report > Timer summary in microseconds (10 records): > Mark Elapsed Stage > 0 0 reset > 2,591,355 2,591,355 board_init_f > 3,689,407 1,098,052 board_init_r > 5,947,314 2,257,907 eth_common_init > 6,246,250 298,936 eth_initialize > 6,246,427 177 main_loop > 6,246,585 158 usb_start > 12,785,936 6,539,351 cli_loop > > Accumulated time: > 15,902 dm_r > 694,779 dm_f > > 2) LZMA Compressed U-BOOT : Total boot time ≈ 23.5 seconds > => bootstage report > Timer summary in microseconds (10 records): > Mark Elapsed Stage > 0 0 reset > 6,376,405 6,376,405 board_init_f > 7,471,967 1,095,562 board_init_r > 9,726,257 2,254,290 eth_common_init > 10,024,873 298,616 eth_initialize > 10,025,049 176 main_loop > 10,025,208 159 usb_start > 16,564,906 6,539,698 cli_loop > > Accumulated time: > 15,851 dm_r > 693,323 dm_f > > > Patch 1/4 generate a GZIP-compressed U-boot binary using binman if > CONFIG_SPL_GZIP selected > Patch 2/4 generate a LZMA-compressed U-boot binary using binman if > CONFIG_SPL_LZMA selected > Patch 3/4 uncompress the gzip U-BOOT binary and load the binaries if gzip > compression supoort is enabled > Patch 4/4 uncompress the lzma U-BOOT binary and load the binaries if lzma > compression supoort is enabled
Boot times seem very slow with compression enabled, please try with caches enabled, see RFC patch at [1]. Enable caches have a huge impact for FIT checksum validation using CONFIG_SPL_FIT_SIGNATURE=y. Possible to also include ZSTD support? nit: patch 1 and 2 should come after patch 3 and 4. [1] https://patchwork.ozlabs.org/project/uboot/patch/20230702110055.3686457-1-jo...@kwiboo.se/ Regards, Jonas > > Manoj Sai (4): > rockchip: Add support to generate GZIP compressed U-boot binary > rockchip: Add support to generate LZMA compressed U-boot binary > spl: fit: support for booting a GZIP-compressed U-boot binary > spl: fit: support for booting a LZMA-compressed U-boot binary > > arch/arm/dts/rockchip-u-boot.dtsi | 11 +++++++++++ > common/spl/spl_fit.c | 21 +++++++++++++++++---- > include/spl.h | 10 ++++++++++ > 3 files changed, 38 insertions(+), 4 deletions(-) >
