3 files changed, 45 insertions, 8 deletions
diff --git a/lib/efi/Kconfig b/lib/efi/Kconfig
index 93b85644920..15ce99e1a74 100644
--- a/lib/efi/Kconfig
+++ b/lib/efi/Kconfig
@@ -26,18 +26,26 @@ config EFI_STUB
 
 endchoice
 
-config EFI_RAM_SIZE
-	hex "Amount of EFI RAM for U-Boot"
+choice
+	prompt "EFI app 32/64-bit selection"
 	depends on EFI_APP
-	default 0x2000000
 	help
-	  Set the amount of EFI RAM which is claimed by U-Boot for its own
-	  use. U-Boot allocates this from EFI on start-up (along with a few
-	  other smaller amounts) and it can never be increased after that.
-	  It is used as the RAM size in with U-Boot.
+	  EFI does not support mixing 32-bit and 64-bit modes. This is a
+	  significant problem because it means that you must build a stub with
+	  the correct type for EFI to load it correctly. If you are using
+	  32-bit EFI, select 32-bit here, else select 64-bit. Failure to do
+	  this may produce no error message - it just won't start!
+
+config EFI_APP_32BIT
+	bool "Produce an app for running with 32-bit EFI"
+
+config EFI_APP_64BIT
+	bool "Produce an app for running with 64-bit EFI"
+
+endchoice
 
 choice
-	prompt "EFI 32/64-bit selection"
+	prompt "EFI stub 32/64-bit selection"
 	depends on EFI_STUB
 	help
 	  EFI does not support mixing 32-bit and 64-bit modes. This is a
@@ -53,3 +61,13 @@ config EFI_STUB_64BIT
 	bool "Produce a stub for running with 64-bit EFI"
 
 endchoice
+
+config EFI_RAM_SIZE
+	hex "Amount of EFI RAM for U-Boot"
+	depends on EFI_APP
+	default 0x10000000
+	help
+	  Set the amount of EFI RAM which is claimed by U-Boot for its own
+	  use. U-Boot allocates this from EFI on start-up (along with a few
+	  other smaller amounts) and it can never be increased after that.
+	  It is used as the RAM size in with U-Boot.
diff --git a/lib/efi/efi.c b/lib/efi/efi.c
index 0c16a5fdd38..69e52e45748 100644
--- a/lib/efi/efi.c
+++ b/lib/efi/efi.c
@@ -18,6 +18,15 @@
 #include <efi_api.h>
 
 /*
+ * Global declaration of gd.
+ *
+ * As we write to it before relocation we have to make sure it is not put into
+ * a .bss section which may overlap a .rela section. Initialization forces it
+ * into a .data section which cannot overlap any .rela section.
+ */
+struct global_data *global_data_ptr = (struct global_data *)~0;
+
+/*
  * Unfortunately we cannot access any code outside what is built especially
  * for the stub. lib/string.c is already being built for the U-Boot payload
  * so it uses the wrong compiler flags. Add our own memset() here.
diff --git a/lib/efi/efi_app.c b/lib/efi/efi_app.c
index 907bacd716a..f61665686c5 100644
--- a/lib/efi/efi_app.c
+++ b/lib/efi/efi_app.c
@@ -31,11 +31,21 @@ struct efi_system_table *efi_get_sys_table(void)
 	return global_priv->sys_table;
 }
 
+struct efi_boot_services *efi_get_boot(void)
+{
+	return global_priv->boot;
+}
+
 unsigned long efi_get_ram_base(void)
 {
 	return global_priv->ram_base;
 }
 
+int efi_info_get(enum efi_entry_t type, void **datap, int *sizep)
+{
+	return -ENOSYS;
+}
+
 static efi_status_t setup_memory(struct efi_priv *priv)
 {
 	struct efi_boot_services *boot = priv->boot;