[src/trunk]: src/sys/arch/sparc64/sparc64 Add some comments to the CPP condit...

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

details:   https://anonhg.NetBSD.org/src/rev/90525a46ed5d
branches:  trunk
changeset: 526488:90525a46ed5d
user:      kleink <kleink%NetBSD.org@localhost>
date:      Sat May 04 17:19:25 2002 +0000

description:
Add some comments to the CPP conditionals controlling the trap macro
definitions, to ease navigation somewhat.

diffstat:

 sys/arch/sparc64/sparc64/locore.s |  28 ++++++++++++++--------------
 1 files changed, 14 insertions(+), 14 deletions(-)

diffs (99 lines):

diff -r fc650d2e66c3 -r 90525a46ed5d sys/arch/sparc64/sparc64/locore.s
--- a/sys/arch/sparc64/sparc64/locore.s Sat May 04 16:43:26 2002 +0000
+++ b/sys/arch/sparc64/sparc64/locore.s Sat May 04 17:19:25 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.151 2002/04/16 23:09:37 eeh Exp $ */
+/*     $NetBSD: locore.s,v 1.152 2002/05/04 17:19:25 kleink Exp $      */
 
 /*
  * Copyright (c) 1996-2001 Eduardo Horvath
@@ -517,7 +517,7 @@
  *
  *     We have a problem with v9 traps; we have no registers to put the
  *     trap type into.  But we do have a %tt register which already has
- *     that information.  Tryap types in these macros are all dummys.
+ *     that information.  Trap types in these macros are all dummys.
  */
        /* regular vectored traps */
 #ifdef DEBUG
@@ -527,21 +527,21 @@
 #if 0
 #define TRACEWIN       sethi %hi(9f), %l6; ba,pt %icc,traceitwin;\
  or %l6, %lo(9f), %l6; 9:
-#endif
+#endif /* 0 */
 #ifdef TRAPS_USE_IG
 #define TRACEWIN       wrpr %g0, PSTATE_KERN|PSTATE_AG, %pstate;\
  sethi %hi(9f), %g1; ba,pt %icc,traceit; or %g1, %lo(9f), %g1; 9:
 #else
 #define TRACEWIN       wrpr %g0, PSTATE_KERN|PSTATE_IG, %pstate;\
  sethi %hi(9f), %g1; ba,pt %icc,traceit; or %g1, %lo(9f), %g1; 9:
-#endif
+#endif /* TRAPS_USE_IG */
 #define TRACERELOAD32  ba reload32; nop;
 #define TRACERELOAD64  ba reload64; nop;
 #define TRACEFLT       TRACEME
 #define        VTRAP(type, label) \
        sethi %hi(label), %g1; ba,pt %icc,traceit;\
  or %g1, %lo(label), %g1; NOTREACHED; TA8
-#else
+#else /* TRAPTRACE */
 #define TRACEME
 #define TRACEWIN       TRACEME
 #define TRACERELOAD32
@@ -551,12 +551,12 @@
  or %g1, %lo(1f), %g1; 1:
 #else
 #define TRACEFLT       TRACEME
-#endif
+#endif /* FLTRACE */
 #define        VTRAP(type, label) \
        sethi %hi(DATA_START),%g1; rdpr %tt,%g2; or %g1,0x28,%g1; b label;\
  stx %g2,[%g1]; NOTREACHED; TA8
-#endif
-#else
+#endif /* TRAPTRACE */
+#else /* DEBUG */
 #ifdef TRAPTRACE
 #define TRACEME                sethi %hi(1f), %g1; ba,pt %icc,traceit;\
  or %g1, %lo(1f), %g1; 1:
@@ -564,21 +564,21 @@
 /* Can't use this 'cause we have no clean registers during a spill */
 #define TRACEWIN       sethi %hi(9f), %l6; ba,pt %icc,traceitwin;\
  or %l6, %lo(9f), %l6; 9:
-#endif
+#endif /* 0 */
 #ifdef TRAPS_USE_IG
 #define TRACEWIN       wrpr %g0, PSTATE_KERN|PSTATE_AG, %pstate;\
  sethi %hi(9f), %g1; ba,pt %icc,traceit; or %g1, %lo(9f), %g1; 9:
 #else
 #define TRACEWIN       wrpr %g0, PSTATE_KERN|PSTATE_IG, %pstate;\
  sethi %hi(9f), %g1; ba,pt %icc,traceit; or %g1, %lo(9f), %g1; 9:
-#endif
+#endif /* TRAPS_USE_IG */
 #define TRACERELOAD32  ba reload32; nop;
 #define TRACERELOAD64  ba reload64; nop;
 #define TRACEFLT       TRACEME
 #define        VTRAP(type, label) \
        sethi %hi(label), %g1; ba,pt %icc,traceit;\
  or %g1, %lo(label), %g1; NOTREACHED; TA8
-#else
+#else /* TRAPTRACE */
 #define TRACEME
 #define TRACEWIN       TRACEME
 #define TRACERELOAD32
@@ -588,11 +588,11 @@
  or %g1, %lo(1f), %g1; 1:
 #else
 #define TRACEFLT       TRACEME
-#endif
+#endif /* FLTRACE */
 #define        VTRAP(type, label) \
        ba,a,pt %icc,label; nop; NOTREACHED; TA8
-#endif
-#endif
+#endif /* TRAPTRACE */
+#endif /* DEBUG */
        /* hardware interrupts (can be linked or made `fast') */
 #define        HARDINT4U(lev) \
        VTRAP(lev, _C_LABEL(sparc_interrupt))