Nice work. Thank you! Following variants was tested: - net boot - boot from local ram copy - boot from spi flash Tested-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> On Fri, Jun 12, 2020 at 09:10:28AM +0200, Clement Leger wrote: > Currently, when booting an elf file using "bootm /dev/mtdx", bootm will > simply pass the file to the bootm handler and the read done on it will > read the entire flash partition. This series starts by some cleanup and > then modify the elf loader to load the elf file without copying the whole > elf file to an intermediate buffer. Only the elf header is copied in > order to parse the elf file into a list of segment and then, the segments > are loaded directly from the file. > > A special handling for the elf file is also added in bootm data to allow > using directly the elf file structure. Finally the mips bootm handler is > modified to use bootm_load_os directly instead of manual elf loading. > > Compilation for both mips and arm has been tested but run on qemu-malta was not > possible. Changes have been tested on kvx architecture for which bootm support > has been added and will be submitted. > > Changes v5 -> v6 > - Add missing elf boundaries computation patch > > Changes v4 -> v5 > - Rework elf loading to load from file rather than a buffer > - Use calloc instead of xzalloc in elf file loading > - Add check of program headers in elf check > > Changes v3 -> v4 > - Fix init of elf entry address to be used by bootm_load_elf > > Changes v2 -> v3 > - Integrate elf loading in bootm_load_os > - Add patch to remove now unused elf_load_image/elf_release_image > - Use malloc instead of xmalloc and check return value > > Changes v1 -> v2 > - Add BOOTM_ELF config to select elf support and add checks in code > - Add an elf_get_mem_size function to avoid computing elf size in bootm.c > - Use xmalloc and read_full in elf_open instead of xzalloc/read > - Fix data->elf NULL reset > - Remove elf struct entirely from mips bootm code > > Clement Leger (8): > common: elf: add computation of elf boundaries > common: elf: fix warning on 32 bits architectures > common: elf: use calloc instead of xzalloc > common: elf: check number of elf program headers > common: elf: load elf directly from file > common: elf: add elf_open, elf_close and elf_load > common: bootm: add support for elf file loading > mips: lib: bootm: use bootm elf loading capabilities > > arch/mips/lib/bootm.c | 25 ++--- > common/Kconfig | 8 ++ > common/bootm.c | 33 ++++++ > common/elf.c | 231 +++++++++++++++++++++++++++++++++++------- > include/bootm.h | 3 + > include/elf.h | 16 ++- > 6 files changed, 261 insertions(+), 55 deletions(-) > > -- > 2.17.1 > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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