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| author | Simon Glass <sjg@chromium.org> | 2023-11-12 13:55:09 -0700 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-12-05 01:38:56 +0100 |
| commit | a900d88e1af013362bb9243530af1bb80935389b (patch) | |
| tree | f26ef737fff1a2619a117d6a4dbebd3f99ac9321 /lib | |
| parent | f32fee03595684ebf362832fb56ad01e97b01925 (diff) | |
| download | u-boot-a900d88e1af013362bb9243530af1bb80935389b.zip u-boot-a900d88e1af013362bb9243530af1bb80935389b.tar.gz u-boot-a900d88e1af013362bb9243530af1bb80935389b.tar.bz2 | |
efi: Collect the ACPI tables in the app
Locate these so that they can be displayed using the 'acpi' command.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi/efi_app.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/lib/efi/efi_app.c b/lib/efi/efi_app.c index 2209410..c5eb816 100644 --- a/lib/efi/efi_app.c +++ b/lib/efi/efi_app.c @@ -12,18 +12,21 @@ #include <cpu_func.h> #include <debug_uart.h> #include <dm.h> +#include <efi.h> +#include <efi_api.h> #include <errno.h> #include <init.h> #include <malloc.h> +#include <sysreset.h> +#include <uuid.h> #include <asm/global_data.h> #include <linux/err.h> #include <linux/types.h> -#include <efi.h> -#include <efi_api.h> -#include <sysreset.h> +#include <asm/global_data.h> #include <dm/device-internal.h> #include <dm/lists.h> #include <dm/root.h> +#include <mapmem.h> DECLARE_GLOBAL_DATA_PTR; @@ -320,6 +323,19 @@ int dm_scan_other(bool pre_reloc_only) return 0; } +static void scan_tables(struct efi_system_table *sys_table) +{ + efi_guid_t acpi = EFI_ACPI_TABLE_GUID; + uint i; + + for (i = 0; i < sys_table->nr_tables; i++) { + struct efi_configuration_table *tab = &sys_table->tables[i]; + + if (!memcmp(&tab->guid, &acpi, sizeof(efi_guid_t))) + gd_set_acpi_start(map_to_sysmem(tab->table)); + } +} + /** * efi_main() - Start an EFI image * @@ -354,6 +370,8 @@ efi_status_t EFIAPI efi_main(efi_handle_t image, return ret; } + scan_tables(priv->sys_table); + /* * We could store the EFI memory map here, but it changes all the time, * so this is only useful for debugging. |