[src/trunk]: src/sys/arch/vax/vax In the syscall vector, deal with SYS_lwp_ge...

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

details:   https://anonhg.NetBSD.org/src/rev/60d273691e04
branches:  trunk
changeset: 773456:60d273691e04
user:      matt <matt%NetBSD.org@localhost>
date:      Thu Feb 02 18:31:41 2012 +0000

description:
In the syscall vector, deal with SYS_lwp_getprivate quickly.  XXX what about
non-NetBSD syscall tables.

diffstat:

 sys/arch/vax/vax/genassym.cf |   3 ++-
 sys/arch/vax/vax/intvec.S    |  26 +++++++++++---------------
 2 files changed, 13 insertions(+), 16 deletions(-)

diffs (71 lines):

diff -r 89096d3847a0 -r 60d273691e04 sys/arch/vax/vax/genassym.cf
--- a/sys/arch/vax/vax/genassym.cf      Thu Feb 02 17:21:18 2012 +0000
+++ b/sys/arch/vax/vax/genassym.cf      Thu Feb 02 18:31:41 2012 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: genassym.cf,v 1.50 2011/04/14 08:17:42 matt Exp $
+#      $NetBSD: genassym.cf,v 1.51 2012/02/02 18:31:41 matt Exp $
 #
 # Copyright (c) 1997 Ludd, University of Lule}, Sweden.
 # All rights reserved.
@@ -150,6 +150,7 @@
 
 define SYS_compat_16___sigreturn14     SYS_compat_16___sigreturn14
 define SYS_exit        SYS_exit
+define SYS__lwp_getprivate     SYS__lwp_getprivate
 
 define VAX_TYP_UV2     VAX_TYP_UV2
 define VAX_TYP_8SS     VAX_TYP_8SS
diff -r 89096d3847a0 -r 60d273691e04 sys/arch/vax/vax/intvec.S
--- a/sys/arch/vax/vax/intvec.S Thu Feb 02 17:21:18 2012 +0000
+++ b/sys/arch/vax/vax/intvec.S Thu Feb 02 18:31:41 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: intvec.S,v 1.20 2011/04/12 18:07:57 matt Exp $   */
+/*     $NetBSD: intvec.S,v 1.21 2012/02/02 18:31:41 matt Exp $   */
 
 /*
  * Copyright (c) 1994, 1997 Ludd, University of Lule}, Sweden.
@@ -107,7 +107,7 @@
        INTVEC(syscall, KSTACK)         # main syscall trap, chmk, 40
        INTVEC(chmx, KSTACK)            # chme, 44
        INTVEC(chmx, KSTACK)            # chms, 48
-       INTVEC(chmu, KSTACK)            # chmu, 4C
+       INTVEC(chmx, KSTACK)            # chmu, 4C
        NOVEC;                          # System Backplane Exception/BIerror, 50
        INTVEC(cmrerr, ISTACK)          # Corrected Memory Read, 54
        NOVEC;                          # System Backplane Alert/RXCD, 58
@@ -224,19 +224,6 @@
        TRAPCALL(resadflt, T_RESADFLT)
 
 /*
- * Use chmu to implement a "fast" _lwp_getprivate.
- */
-SCBENTRY(chmu)
-       cmpl    (%sp), $1
-       bneq    1f
-       mfpr    $PR_SSP, %r0            # get curlwp
-       movl    L_PRIVATE(%r0), %r0     # get l_private
-       addl2   %sp, 4
-       rei
-1:
-       brw     Xchmx
-
-/*
  * default handler for CHME and CHMS
  */
 SCBENTRY(chmx)
@@ -284,6 +271,15 @@
 TRAPARGC(arithflt, T_ARITHFLT)
 
 SCBENTRY(syscall)                      # Main system call
+#if 1
+       cmpl    (%sp), $SYS__lwp_getprivate
+       bneq    1f
+       mfpr    $PR_SSP, %r0            # get curlwp
+       movl    L_PRIVATE(%r0), %r0     # get l_private
+       addl2   $4, %sp                 # eat the code
+       rei
+1:
+#endif
        pushl   $T_SYSCALL
        pushr   $0xfff
        mfpr    $PR_USP, -(%sp)