[src/trunk]: src/sys/arch/hppa/include Add lci to get coherence index for an ...

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

details:   https://anonhg.NetBSD.org/src/rev/e6e3115005c2
branches:  trunk
changeset: 749419:e6e3115005c2
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sun Nov 29 10:09:54 2009 +0000

description:
Add lci to get coherence index for an address.

diffstat:

 sys/arch/hppa/include/cpufunc.h |  15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diffs (29 lines):

diff -r 3a123df75225 -r e6e3115005c2 sys/arch/hppa/include/cpufunc.h
--- a/sys/arch/hppa/include/cpufunc.h   Sun Nov 29 10:08:15 2009 +0000
+++ b/sys/arch/hppa/include/cpufunc.h   Sun Nov 29 10:09:54 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpufunc.h,v 1.13 2009/11/29 10:08:10 skrll Exp $       */
+/*     $NetBSD: cpufunc.h,v 1.14 2009/11/29 10:09:54 skrll Exp $       */
 
 /*     $OpenBSD: cpufunc.h,v 1.17 2000/05/15 17:22:40 mickey Exp $     */
 
@@ -89,6 +89,19 @@
 #define ssm(v,r) __asm volatile("ssm %1,%0": "=r" (r): "i" (v))
 #define rsm(v,r) __asm volatile("rsm %1,%0": "=r" (r): "i" (v))
 
+
+/* Get coherence index for an address */
+static __inline register_t
+lci(pa_space_t sp, vaddr_t va) {
+       register_t ret;
+
+       mtsp((sp), 1);  \
+       __asm volatile("lci 0(%%sr1, %1), %0" : "=r" (ret) : "r" (va));
+
+       return ret;
+}
+
+
 /* Move to system mask. Old value of system mask is returned. */
 static __inline register_t mtsm(register_t mask) {
        register_t ret;