[src/trunk]: src/sys/arch/sparc64/sparc64 new function dump_itlb.

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

details:   https://anonhg.NetBSD.org/src/rev/76a2dd66f2a6
branches:  trunk
changeset: 540828:76a2dd66f2a6
user:      petrov <petrov%NetBSD.org@localhost>
date:      Wed Dec 25 22:05:10 2002 +0000

description:
new function dump_itlb.

diffstat:

 sys/arch/sparc64/sparc64/locore.s |  26 ++++++++++++++++++++++++--
 1 files changed, 24 insertions(+), 2 deletions(-)

diffs (47 lines):

diff -r 5585725eefb5 -r 76a2dd66f2a6 sys/arch/sparc64/sparc64/locore.s
--- a/sys/arch/sparc64/sparc64/locore.s Wed Dec 25 21:19:15 2002 +0000
+++ b/sys/arch/sparc64/sparc64/locore.s Wed Dec 25 22:05:10 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.159 2002/09/22 07:19:47 chs Exp $ */
+/*     $NetBSD: locore.s,v 1.160 2002/12/25 22:05:10 petrov Exp $      */
 
 /*
  * Copyright (c) 1996-2002 Eduardo Horvath
@@ -5123,7 +5123,6 @@
        .globl  _C_LABEL(endtrapcode)
 _C_LABEL(endtrapcode):
 
-#ifdef DDB
 !!!
 !!! Dump the DTLB to phys address in %o0 and print it
 !!!
@@ -5151,6 +5150,29 @@
        retl
         nop
 
+       .globl  dump_itlb
+dump_itlb:
+       clr     %o1
+       add     %o1, (64 * 8), %o3
+1:
+       ldxa    [%o1] ASI_IMMU_TLB_TAG, %o2
+       membar  #Sync
+       stx     %o2, [%o0]
+       membar  #Sync
+       inc     8, %o0
+       ldxa    [%o1] ASI_IMMU_TLB_DATA, %o4
+       membar  #Sync
+       inc     8, %o1
+       stx     %o4, [%o0]
+       cmp     %o1, %o3
+       membar  #Sync
+       bl      1b
+        inc    8, %o0
+
+       retl
+        nop
+
+#ifdef DDB
 #ifdef _LP64
        .globl  print_dtlb
 print_dtlb: