[PATCH v3 10/29] efi: x86: Allow setting the global_data pointer with EFI

[Simon Glass]

Provide a function which sets this pointer, for use in the EFI app.

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

(no changes since v1)

 arch/x86/include/asm/global_data.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index 06bd80ccc13..1bd1fa92078 100644
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -142,6 +142,13 @@ struct arch_global_data {
 /* TODO(sjg at chromium.org): Consider using a fixed register for gd on x86_64 */
 #define gd global_data_ptr
 
+static inline void set_gd(volatile gd_t *gd_ptr)
+{
+	extern struct global_data *global_data_ptr;
+
+	global_data_ptr = (void *)gd_ptr;
+}
+
 #define DECLARE_GLOBAL_DATA_PTR   extern struct global_data *global_data_ptr
 # else
 static inline notrace gd_t *get_fs_gd_ptr(void)
-- 
2.43.0