diff options
| -rw-r--r-- | sys/alpha/include/frame.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/alpha/include/frame.h b/sys/alpha/include/frame.h index 95c0a93c2a1f..6d8cceb20650 100644 --- a/sys/alpha/include/frame.h +++ b/sys/alpha/include/frame.h @@ -78,10 +78,14 @@ #define FRAME_TRAPARG_A0 27 #define FRAME_TRAPARG_A1 28 #define FRAME_TRAPARG_A2 29 +/* this is a flag area to see whether we need to restore all registers */ +#define FRAME_FLAGS 30 -#define FRAME_SW_SIZE (FRAME_TRAPARG_A2 + 1) +#define FRAME_SW_SIZE (FRAME_FLAGS + 1) #define FRAME_HW_OFFSET FRAME_SW_SIZE +#define FRAME_FLAGS_SYSCALL 0x1 + #define FRAME_PS (FRAME_HW_OFFSET + ALPHA_HWFRAME_PS) #define FRAME_PC (FRAME_HW_OFFSET + ALPHA_HWFRAME_PC) #define FRAME_GP (FRAME_HW_OFFSET + ALPHA_HWFRAME_GP) |