Merge tag 'signed-efi-2018.11' of git://github.com/agraf/u-boot

Patch queue for efi - 2018-10-17

A few bug fixes for the 2018.11 release:

  - Fix block seeking on 32bit
  - Fix execution with DEBUG set
  - Fix a few Coverity found bugs
  - Fix warnings

Heinrich Schuchardt (13):
      efi_loader: fix relocation on x86_64
      efi_loader: correct signature of GetPosition, SetPosition
      efi_loader: execute efi_save_gd() first
      efi_loader: efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, ...)
      efi_loader: error handling in read_console()
      efi_loader: return type efi_console_register()
      efi_loader: superfluous statement in is_dir()
      efi_loader: memory leak in efi_set_variable()
      efi_loader: remove lcd.h from efi_net.c
      arm: do not include efi_loader.h twice
      efi_loader: fix typo in efi_boottime.c
      efi_selftest: creating new handle in controller test
      efi_loader: efi_dp_get_next_instance() superfluous statement

Tom Rini (2):
      efi_loader: Fix warning in efi_load_image()
      fs: fat: Fix warning in normalize_longname()

1 files changed, 7 insertions, 17 deletions

diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index 82d755c..4d68d80 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -40,6 +40,13 @@ efi_status_t efi_init_obj_list(void)
 {
 	efi_status_t ret = EFI_SUCCESS;
 
+	/*
+	 * On the ARM architecture gd is mapped to a fixed register (r9 or x18).
+	 * As this register may be overwritten by an EFI payload we save it here
+	 * and restore it on every callback entered.
+	 */
+	efi_save_gd();
+
 	/* Initialize once only */
 	if (efi_obj_list_initialized != OBJ_LIST_NOT_INITIALIZED)
 		return efi_obj_list_initialized;
@@ -374,12 +381,6 @@ static efi_status_t do_bootefi_exec(void *efi,
 	if (ret != EFI_SUCCESS)
 		goto exit;
 
-	/*
-	 * gd lives in a fixed register which may get clobbered while we execute
-	 * the payload. So save it here and restore it on every callback entry
-	 */
-	efi_save_gd();
-
 	/* Transfer environment variable bootargs as load options */
 	set_load_options(loaded_image_info, "bootargs");
 	/* Load the EFI payload */
@@ -460,12 +461,6 @@ static int do_bootefi_bootmgr_exec(void)
 	void *addr;
 	efi_status_t r;
 
-	/*
-	 * gd lives in a fixed register which may get clobbered while we execute
-	 * the payload. So save it here and restore it on every callback entry
-	 */
-	efi_save_gd();
-
 	addr = efi_bootmgr_load(&device_path, &file_path);
 	if (!addr)
 		return 1;
@@ -547,11 +542,6 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		if (r != EFI_SUCCESS)
 			return CMD_RET_FAILURE;
 
-		/*
-		 * gd lives in a fixed register which may get clobbered while we
-		 * execute the payload. So save it here and restore it on every
-		 * callback entry
-		 */
 		efi_save_gd();
 		/* Transfer environment variable efi_selftest as load options */
 		set_load_options(loaded_image_info, "efi_selftest");