[PATCH v3 11/11] efi_loader: add ACPI table dump EFI app

Simon Glass sjg at chromium.org
Wed Jul 1 14:01:44 CEST 2026


Hi Heinrich,

On 2026-06-28T08:27:58, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
> efi_loader: add ACPI table dump EFI app
>
> Provide an EFI binary that can dump all ACPI tables to files
> <table_name>.dat. These can then be further analyzed by decompiling
> with iasl.
>
> The DSDT and FACS tables are identified via FADT.
>
> The following commands are provided:
>
> * check - parse ACPI table list\r\n", do_check
> * write - save one file per ACPI table\r\n", do_write
>
> The file names are constructed from:
>
> * 4 character ACPI table name
> * number if there are multiple ACPI tables of the same type
> * '.dat' extension
>
> This matches the output of the Linux acpidump -b command.
> [...]
>
> lib/efi_loader/Makefile   |   3 +-
>  lib/efi_loader/acpidump.c | 566 ++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 568 insertions(+), 1 deletion(-)

Did you see my comments on v2?

Regards,
Simon


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