[PATCH 11/40] lmb: make LMB memory map persistent and global

[Simon Glass]

Hi Sughosh,

On Wed, 24 Jul 2024 at 00:03, Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
>
> The current LMB API's for allocating and reserving memory use a
> per-caller based memory view. Memory allocated by a caller can then be
> overwritten by another caller. Make these allocations and reservations
> persistent using the alloced list data structure.
>
> Two alloced lists are declared -- one for the available(free) memory,
> and one for the used memory. Once full, the list can then be extended
> at runtime.
>
> Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
> ---
> Changes since rfc:
> * Squash patches 9 - 11, 13  from the rfc v2 series into a single
>   patch to make it bisectable.
>
>  arch/arc/lib/cache.c                 |   4 +-
>  arch/arm/lib/stack.c                 |   4 +-
>  arch/arm/mach-apple/board.c          |  17 +-
>  arch/arm/mach-snapdragon/board.c     |  17 +-
>  arch/arm/mach-stm32mp/dram_init.c    |   8 +-
>  arch/arm/mach-stm32mp/stm32mp1/cpu.c |   6 +-
>  arch/m68k/lib/bootm.c                |   7 +-
>  arch/microblaze/lib/bootm.c          |   4 +-
>  arch/mips/lib/bootm.c                |  11 +-
>  arch/nios2/lib/bootm.c               |   4 +-
>  arch/powerpc/cpu/mpc85xx/mp.c        |   4 +-
>  arch/powerpc/include/asm/mp.h        |   4 +-
>  arch/powerpc/lib/bootm.c             |  14 +-
>  arch/riscv/lib/bootm.c               |   4 +-
>  arch/sh/lib/bootm.c                  |   4 +-
>  arch/x86/lib/bootm.c                 |   4 +-
>  arch/xtensa/lib/bootm.c              |   4 +-
>  board/xilinx/common/board.c          |   8 +-
>  boot/bootm.c                         |  26 +-
>  boot/bootm_os.c                      |   5 +-
>  boot/image-board.c                   |  34 +--
>  boot/image-fdt.c                     |  36 ++-
>  cmd/bdinfo.c                         |   6 +-
>  cmd/booti.c                          |   2 +-
>  cmd/bootz.c                          |   2 +-
>  cmd/elf.c                            |   2 +-
>  cmd/load.c                           |   7 +-
>  drivers/iommu/apple_dart.c           |   8 +-
>  drivers/iommu/sandbox_iommu.c        |  16 +-
>  fs/fs.c                              |   7 +-
>  include/image.h                      |  28 +-
>  include/lmb.h                        | 114 +++-----
>  lib/efi_loader/efi_dt_fixup.c        |   2 +-
>  lib/efi_loader/efi_helper.c          |   2 +-
>  lib/lmb.c                            | 395 +++++++++++++++------------
>  net/tftp.c                           |   5 +-
>  net/wget.c                           |   5 +-
>  test/cmd/bdinfo.c                    |   2 +-
>  test/lib/lmb.c                       | 205 ++++++--------
>  39 files changed, 477 insertions(+), 560 deletions(-)

I might have missed it, but I didn't see a response to my comment on
the previous patch. I think we should have the lmb state in a struct
so that sandbox tests can reset it as needed.

Regards,
Simon