From b0b403d954081520ba82fef24dee6486ffebe017 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Fri, 31 Jul 2015 09:31:27 -0600
Subject: [PATCH] Reserve the top 16 flag bits for architecture-specific use
Add a convention that the generic global_data only occupy the bottom 16 bits
of the flags word, so that there is less chance of a conflict. At present the
x86 flags conflict.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
include/asm-generic/global_data.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 7ef3e259b46..9f5db0f5afb 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -104,7 +104,7 @@ typedef struct global_data {
#endif
/*
- * Global Data Flags
+ * Global Data Flags - the top 16 bits are reserved for arch-specific flags
*/
#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
--
GitLab