On 11/12/23 21:55, Simon Glass wrote:
Locate these so that they can be displayed using the 'acpi' command.
Signed-off-by: Simon Glass <[email protected]>
---
(no changes since v1)
lib/efi/efi_app.c | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/lib/efi/efi_app.c b/lib/efi/efi_app.c
index 2209410f35b5..c5eb816655ea 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];
In cmd/bootefi we have a static function get_config_table() I guess we
should export and move it to lib/.
+
+ if (!memcmp(&tab->guid, &acpi, sizeof(efi_guid_t)))
+ gd_set_acpi_start(map_to_sysmem(tab->table));
return; could be added here to shorten the search.
Reviewed-by: Heinrich Schuchardt <[email protected]>
+ }
+}
+
/**
* 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.
