[src/trunk]: src/sys/arch/powerpc/include Add comments and AltiVec reg state.

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8b6d14360b10
branches:  trunk
changeset: 499565:8b6d14360b10
user:      matt <matt%NetBSD.org@localhost>
date:      Thu Nov 23 02:35:10 2000 +0000

description:
Add comments and AltiVec reg state.

diffstat:

 sys/arch/powerpc/include/reg.h |  29 ++++++++++++++++++++---------
 1 files changed, 20 insertions(+), 9 deletions(-)

diffs (39 lines):

diff -r b0966bc58cde -r 8b6d14360b10 sys/arch/powerpc/include/reg.h
--- a/sys/arch/powerpc/include/reg.h    Wed Nov 22 22:17:39 2000 +0000
+++ b/sys/arch/powerpc/include/reg.h    Thu Nov 23 02:35:10 2000 +0000
@@ -1,15 +1,26 @@
-/*     $NetBSD: reg.h,v 1.4 2000/06/04 09:30:44 tsubai Exp $   */
+/*     $NetBSD: reg.h,v 1.5 2000/11/23 02:35:10 matt Exp $     */
 
-struct reg {
+#ifndef _POWERPC_REG_H_
+#define _POWERPC_REG_H_
+
+struct reg {                           /* base registers */
        register_t fixreg[32];
-       register_t lr;
-       int cr;
-       int xer;
-       register_t ctr;
-       register_t pc;
+       register_t lr;                  /* Link Register */
+       int cr;                         /* Condition Register */
+       int xer;                        /* SPR 1 */
+       register_t ctr;                 /* Count Register */
+       register_t pc;                  /* Program Counter */
 };
 
-struct fpreg {
+struct fpreg {                         /* Floating Point registers */
        double fpreg[32];
-       double fpscr;
+       double fpscr;                   /* Status and Control Register */
 };
+
+struct vreg {                          /* Vector registers */
+       u_int32_t vreg[32][4];
+       register_t vscr;                /* Vector Status And Control Register */
+       register_t vrsave;              /* SPR 238 */
+};
+
+#endif /* _POWERPC_REG_H_ */