[src/trunk]: src/sys/arch/mips Add an IPI for xcalls.

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

details:   https://anonhg.NetBSD.org/src/rev/ed5d7990ff65
branches:  trunk
changeset: 764714:ed5d7990ff65
user:      matt <matt%NetBSD.org@localhost>
date:      Mon May 02 00:17:35 2011 +0000

description:
Add an IPI for xcalls.

diffstat:

 sys/arch/mips/include/intr.h  |   5 +++--
 sys/arch/mips/mips/cpu_subr.c |   6 +++---
 sys/arch/mips/mips/ipifuncs.c |  10 ++++++++--
 3 files changed, 14 insertions(+), 7 deletions(-)

diffs (89 lines):

diff -r 55e36aaaf405 -r ed5d7990ff65 sys/arch/mips/include/intr.h
--- a/sys/arch/mips/include/intr.h      Sun May 01 18:52:29 2011 +0000
+++ b/sys/arch/mips/include/intr.h      Mon May 02 00:17:35 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: intr.h,v 1.4 2011/02/20 07:45:47 matt Exp $ */
+/* $NetBSD: intr.h,v 1.5 2011/05/02 00:17:35 matt Exp $ */
 /*-
  * Copyright (c) 2009, 2010 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -68,7 +68,8 @@
 #define        IPI_KPREEMPT    4               /* schedule a kernel preemption */
 #define        IPI_SUSPEND     5               /* DDB suspend signaling */
 #define        IPI_HALT        6               /* halt cpu */
-#define        NIPIS           7
+#define        IPI_XCALL       7               /* xcall */
+#define        NIPIS           8
 
 #ifdef __INTR_PRIVATE
 struct splsw {
diff -r 55e36aaaf405 -r ed5d7990ff65 sys/arch/mips/mips/cpu_subr.c
--- a/sys/arch/mips/mips/cpu_subr.c     Sun May 01 18:52:29 2011 +0000
+++ b/sys/arch/mips/mips/cpu_subr.c     Mon May 02 00:17:35 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu_subr.c,v 1.11 2011/04/29 22:13:49 matt Exp $       */
+/*     $NetBSD: cpu_subr.c,v 1.12 2011/05/02 00:17:35 matt Exp $       */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.11 2011/04/29 22:13:49 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.12 2011/05/02 00:17:35 matt Exp $");
 
 #include "opt_ddb.h"
 #include "opt_multiprocessor.h"
@@ -974,7 +974,7 @@
 xc_send_ipi(struct cpu_info *ci)
 {
 
-       (*mips_locoresw.lsw_send_ipi)(ci, IPI_NOP);
+       (*mips_locoresw.lsw_send_ipi)(ci, IPI_XCALL);
 }
 #endif /* MULTIPROCESSOR */
 
diff -r 55e36aaaf405 -r ed5d7990ff65 sys/arch/mips/mips/ipifuncs.c
--- a/sys/arch/mips/mips/ipifuncs.c     Sun May 01 18:52:29 2011 +0000
+++ b/sys/arch/mips/mips/ipifuncs.c     Mon May 02 00:17:35 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipifuncs.c,v 1.5 2011/04/14 17:42:00 matt Exp $        */
+/*     $NetBSD: ipifuncs.c,v 1.6 2011/05/02 00:17:35 matt Exp $        */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -32,12 +32,13 @@
 #include "opt_ddb.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipifuncs.c,v 1.5 2011/04/14 17:42:00 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipifuncs.c,v 1.6 2011/05/02 00:17:35 matt Exp $");
 
 #include <sys/param.h>
 #include <sys/cpu.h>
 #include <sys/device.h>
 #include <sys/intr.h>
+#include <sys/xcall.h>
 
 #include <uvm/uvm_extern.h>
 
@@ -57,6 +58,7 @@
        [IPI_KPREEMPT]  = "ipi kpreempt",
        [IPI_SUSPEND]   = "ipi suspend",
        [IPI_HALT]      = "ipi halt",
+       [IPI_XCALL]     = "ipi xcall",
 };
 
 static void
@@ -133,6 +135,10 @@
                ci->ci_evcnt_per_ipi[IPI_HALT].ev_count++;
                ipi_halt();
        }
+       if (ipi_mask & __BIT(IPI_XCALL)) {
+               ci->ci_evcnt_per_ipi[IPI_XCALL].ev_count++;
+               xc_ipi_handler();
+       }
 }
 
 void