[PATCH v5 04/23] efi_loader: Show the resulting memory address from an alloc

Ilias Apalodimas ilias.apalodimas at linaro.org
Wed Dec 11 15:50:37 CET 2024


On Wed, 11 Dec 2024 at 15:54, Simon Glass <sjg at chromium.org> wrote:
>
> Update efi_allocate_pool_ext() to log the pointer returned from this
> call, which can be helpful when debugging.

Can you explain how logging the success is helping? I think its pretty
pointless, why not log a failure?

>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> (no changes since v3)
>
> Changes in v3:
> - Show the returned address rather than the pointer
>
> Changes in v2:
> - Use EFI_PRINT() instead of log_debug()
>
>  lib/efi_loader/efi_boottime.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
> index 080e7f78ae3..f27b3827ed2 100644
> --- a/lib/efi_loader/efi_boottime.c
> +++ b/lib/efi_loader/efi_boottime.c
> @@ -13,6 +13,7 @@
>  #include <irq_func.h>
>  #include <log.h>
>  #include <malloc.h>
> +#include <mapmem.h>
>  #include <pe.h>
>  #include <time.h>
>  #include <u-boot/crc.h>
> @@ -511,6 +512,9 @@ static efi_status_t EFIAPI efi_allocate_pool_ext(int pool_type,
>
>         EFI_ENTRY("%d, %zu, %p", pool_type, size, buffer);
>         r = efi_allocate_pool(pool_type, size, buffer);
> +       if (r == EFI_SUCCESS)
> +               EFI_PRINT("*buffer = %llx\n", (u64)map_to_sysmem(*buffer));

buffer can be null if size == 0

> +
>         return EFI_EXIT(r);
>  }
>
> --
> 2.34.1
>


More information about the U-Boot mailing list