Re: [U-Boot] [PATCH v2 10/47] Reserve the top 16 flag bits for architecture-specific use

On Fri, Jul 31, 2015 at 11:31 PM, Simon Glass sjg@chromium.org wrote:

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

Changes in v2:

• Add new patch to reserve the top 16 flag bits for architecture-specific use

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 cb2ec08..2155265 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 */

Reviewed-by: Bin Meng bmeng.cn@gmail.com