[Xen-changelog] Fix and re-enable hyperprivop for ptc.ga (slow path only for now)

[BitKeeper Bot <riel@xxxxxxxxxxx>]

ChangeSet 1.1713.2.18, 2005/06/21 14:10:51-06:00, djm@xxxxxxxxxxxxxxx

        Fix and re-enable hyperprivop for ptc.ga (slow path only for now)
        Signed-off-by: Dan Magenheimer <dan.magenheimer@xxxxxx>



 hyperprivop.S |    8 ++++++++
 privop.c      |    6 ++----
 2 files changed, 10 insertions(+), 4 deletions(-)


diff -Nru a/xen/arch/ia64/hyperprivop.S b/xen/arch/ia64/hyperprivop.S
--- a/xen/arch/ia64/hyperprivop.S       2005-06-23 07:04:36 -04:00
+++ b/xen/arch/ia64/hyperprivop.S       2005-06-23 07:04:36 -04:00
@@ -109,6 +109,10 @@
        cmp.eq p7,p6=XEN_HYPER_GET_RR,r17
 (p7)   br.sptk.many hyper_get_rr;;
 
+       // HYPERPRIVOP_PTC_GA?
+       cmp.eq p7,p6=XEN_HYPER_PTC_GA,r17
+(p7)   br.sptk.many hyper_ptc_ga;;
+
        // if not one of the above, give up for now and do it the slow way
        br.sptk.many dispatch_break_fault ;;
 
@@ -909,3 +913,7 @@
        rfi
        ;;
 END(hyper_set_rr)
+
+ENTRY(hyper_ptc_ga)
+       br.spnt.many dispatch_break_fault ;;
+END(hyper_ptc_ga)
diff -Nru a/xen/arch/ia64/privop.c b/xen/arch/ia64/privop.c
--- a/xen/arch/ia64/privop.c    2005-06-23 07:04:36 -04:00
+++ b/xen/arch/ia64/privop.c    2005-06-23 07:04:36 -04:00
@@ -832,10 +832,8 @@
                regs->r8 = val;
                return 1;
            case HYPERPRIVOP_PTC_GA:
-               // FIXME: this doesn't seem to work yet, turned off
-               //(void)vcpu_ptc_ga(v,regs->r8,regs->r9);
-               //return 1;
-               break;
+               (void)vcpu_ptc_ga(v,regs->r8,(1L << ((regs->r9 & 0xfc) >> 2)));
+               return 1;
            case HYPERPRIVOP_ITR_D:
                (void)vcpu_get_itir(v,&itir);
                (void)vcpu_get_ifa(v,&ifa);

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