Re: [PATCH v4 0/7] elf: add better bootm support

[Oleksij Rempel <o.rempel@pengutronix.de>]

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Hi Clement,

suddenly it is still exploding. I'll try to investigate the reason.

On Fri, May 08, 2020 at 07:04:04PM +0200, Clement Leger wrote:
> Currently, when booting an elf file using "bootm /dev/mtdx", bootm will
> simply pass the file to the bootm and the read done on it will read the
> entire flash partition. This series starts by some cleanup and then add an
> elf_open function to load the elf file size only based on the elf header.
> 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 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. Changing the MALLOC_SIZE to allow loading a kernel always lead to a 
> non-bootable system. Changes have been tested on kvx architecture for which
> bootm support has been added and will be submitted.
> 
> 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 (7):
>   common: elf: add computation of elf boundaries
>   common: elf: fix warning on 32 bits architectures
>   common: elf: split init to be reused from other function
>   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
>   common: elf: remove elf_load_image/elf_release_image
> 
>  arch/mips/lib/bootm.c |  31 +++++-------
>  common/Kconfig        |   8 +++
>  common/bootm.c        |  33 +++++++++++++
>  common/elf.c          | 111 +++++++++++++++++++++++++++++++++++-------
>  include/bootm.h       |   3 ++
>  include/elf.h         |  16 +++++-
>  6 files changed, 163 insertions(+), 39 deletions(-)
> 
> -- 
> 2.17.1
> 
> 
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