- Add a flags field to struct pcb. Use this to keep track of wether or

  not the pcb has floating point registers saved in it.
- Implement get_mcontext and set_mcontext.

1 files changed, 3 insertions, 0 deletions

diff --git a/sys/sparc64/include/pcb.h b/sys/sparc64/include/pcb.h
index c1e00f1..93615ba 100644
--- a/sys/sparc64/include/pcb.h
+++ b/sys/sparc64/include/pcb.h
@@ -33,11 +33,14 @@
 
 #define	MAXWIN	8
 
+#define	PCB_FEF	(1 << 0)
+
 /* NOTE: pcb_ufp must be aligned on a 64 byte boundary. */
 struct pcb {
 	uint32_t pcb_ufp[64];
 	u_long	pcb_sp;
 	u_long	pcb_pc;
+	u_long	pcb_flags;
 	u_long	pcb_nsaved;
 	u_long	pcb_rwsp[MAXWIN];
 	struct	rwindow pcb_rw[MAXWIN];