[src/trunk]: src/sys/arch/sparc64/sparc64 sun4v: fixed bug causing the real a...

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

details:   https://anonhg.NetBSD.org/src/rev/e8547ae19deb
branches:  trunk
changeset: 333039:e8547ae19deb
user:      palle <palle%NetBSD.org@localhost>
date:      Wed Oct 15 21:18:32 2014 +0000

description:
sun4v: fixed bug causing the real address to be incorrectly calculated as zero

diffstat:

 sys/arch/sparc64/sparc64/locore.s |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (57 lines):

diff -r c196a67218bd -r e8547ae19deb sys/arch/sparc64/sparc64/locore.s
--- a/sys/arch/sparc64/sparc64/locore.s Wed Oct 15 19:20:29 2014 +0000
+++ b/sys/arch/sparc64/sparc64/locore.s Wed Oct 15 21:18:32 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.373 2014/09/24 18:32:10 palle Exp $       */
+/*     $NetBSD: locore.s,v 1.374 2014/10/15 21:18:32 palle Exp $       */
 
 /*
  * Copyright (c) 2006-2010 Matthew R. Green
@@ -4669,7 +4669,6 @@
         */
        ldx     [%g2 + CBA_CPUINFO], %l1        ! Load the interrupt stack's PA
        
-
 #ifdef SUN4V
        cmp     %l6, CPU_SUN4V
        bne,pt  %icc, 3f
@@ -4681,12 +4680,12 @@
        sllx    %l2, 32, %l2                    ! Shift it into place
        mov     -1, %l3                         ! Create a nice mask
        sllx    %l3, 56, %l4                    ! Mask off high 8 bits
-       or      %l4, 0x1fff, %l4                ! Mask off low 13 bits
+       or      %l4, 0xfff, %l4                 ! We can just load this in 12 (of 13) bits
        andn    %l1, %l4, %l1                   ! Mask the phys page number into RA
        or      %l2, %l1, %l1                   ! Now take care of the 8 high bits V|NFO|SW
        or      %l1, 0x0141, %l2                ! And low 13 bits IE=0|E=0|CP=0|CV=0|P=1|
                                                !                 X=0|W=1|SW=00|SZ=0001
-                       
+
        /*
         *  Now, map in the interrupt stack & cpu_info as context==0
         */
@@ -4744,7 +4743,7 @@
 
 4:     
        membar  #Sync
-       
+
        /*
         * Temporarily use the interrupt stack
         */
@@ -4771,13 +4770,14 @@
        LDPTR   [%o0 + CI_TSB_DESC], %o0
        call    _C_LABEL(pmap_setup_tsb_sun4v)
         nop
-       
+
        /* set trap table */
 
        set     _C_LABEL(trapbase_sun4v), %l1
        GET_MMFSA %o1
        call    _C_LABEL(prom_set_trap_table_sun4v)
         mov    %l1, %o0
+
        ! Now we should be running 100% from our handlers       
        ba      3f              
         nop