From: Simon Glass <sjg@chromium.org>
Date: Thu, 7 Nov 2024 21:31:45 +0000 (-0700)
Subject: efi_loader: Allow reporting the host defaults
X-Git-Url: http://git.dujemihanovic.xyz/html/%7B%7B%20%24style.Permalink%20%7D%7D?a=commitdiff_plain;h=9fd84a3e1f70c4684ca43c9c1376b3b68d4f7cf1;p=u-boot.git

efi_loader: Allow reporting the host defaults

Add an 'efidebug filename' command to report the default filename and
PXE architecture.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/cmd/efidebug.c b/cmd/efidebug.c
index e040fe75fa..02f1e080e8 100644
--- a/cmd/efidebug.c
+++ b/cmd/efidebug.c
@@ -511,6 +511,27 @@ static int do_efi_show_images(struct cmd_tbl *cmdtp, int flag,
 	return CMD_RET_SUCCESS;
 }
 
+/**
+ * do_efi_show_defaults() - show UEFI default filename and PXE architecture
+ *
+ * @cmdtp:	Command table
+ * @flag:	Command flag
+ * @argc:	Number of arguments
+ * @argv:	Argument array
+ * Return:	CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
+ *
+ * Implement efidebug "defaults" sub-command.
+ * Shows the default EFI filename and PXE architecture
+ */
+static int do_efi_show_defaults(struct cmd_tbl *cmdtp, int flag,
+				int argc, char *const argv[])
+{
+	printf("Default boot path: EFI\\BOOT\\%s\n", efi_get_basename());
+	printf("PXE arch: 0x%02x\n", efi_get_pxe_arch());
+
+	return CMD_RET_SUCCESS;
+}
+
 static const char * const efi_mem_type_string[] = {
 	[EFI_RESERVED_MEMORY_TYPE] = "RESERVED",
 	[EFI_LOADER_CODE] = "LOADER CODE",
@@ -1561,6 +1582,8 @@ static struct cmd_tbl cmd_efidebug_sub[] = {
 			 "", ""),
 	U_BOOT_CMD_MKENT(dh, CONFIG_SYS_MAXARGS, 1, do_efi_show_handles,
 			 "", ""),
+	U_BOOT_CMD_MKENT(defaults, CONFIG_SYS_MAXARGS, 1, do_efi_show_defaults,
+			 "", ""),
 	U_BOOT_CMD_MKENT(images, CONFIG_SYS_MAXARGS, 1, do_efi_show_images,
 			 "", ""),
 	U_BOOT_CMD_MKENT(memmap, CONFIG_SYS_MAXARGS, 1, do_efi_show_memmap,
@@ -1653,6 +1676,8 @@ U_BOOT_LONGHELP(efidebug,
 	"  - show UEFI drivers\n"
 	"efidebug dh\n"
 	"  - show UEFI handles\n"
+	"efidebug defaults\n"
+	"  - show default EFI filename and PXE architecture\n"
 	"efidebug images\n"
 	"  - show loaded images\n"
 	"efidebug memmap\n"