From dc1c997b85f28f71c543057abdb1b006c33479ce Mon Sep 17 00:00:00 2001
From: Jennifer Averett <Jennifer.Averett@OARcorp.com>
Date: Wed, 25 May 2011 14:38:45 +0000
Subject: [PATCH] 2011-05-25	Jennifer Averett
 <Jennifer.Averett@OARcorp.com>

	PR 1792/bsps
	* src/lib/libbsp/i386/pc386/Makefile.am,
	src/lib/libbsp/sparc/erc32/Makefile.am,
	src/lib/libbsp/sparc/leon2/Makefile.am,
	src/lib/libbsp/sparc/leon3/Makefile.am: Added a generic smp wait
	method to sparc and i386 bsps.
	* src/lib/libbsp/shared/smp/bspsmp_wait_for.c: New file.
---
 c/ChangeLog                                   | 10 +++++++
 c/src/lib/libbsp/i386/pc386/Makefile.am       |  3 +-
 c/src/lib/libbsp/shared/smp/bspsmp_wait_for.c | 30 +++++++++++++++++++
 c/src/lib/libbsp/sparc/erc32/Makefile.am      |  5 ++--
 c/src/lib/libbsp/sparc/leon2/Makefile.am      |  3 +-
 c/src/lib/libbsp/sparc/leon3/Makefile.am      |  3 +-
 6 files changed, 49 insertions(+), 5 deletions(-)
 create mode 100644 c/src/lib/libbsp/shared/smp/bspsmp_wait_for.c

diff --git a/c/ChangeLog b/c/ChangeLog
index d339c39f96..13d3dd0040 100644
--- a/c/ChangeLog
+++ b/c/ChangeLog
@@ -1,3 +1,13 @@
+2011-05-25	Jennifer Averett <Jennifer.Averett@OARcorp.com>
+
+	PR 1792/bsps
+	* src/lib/libbsp/i386/pc386/Makefile.am,
+	src/lib/libbsp/sparc/erc32/Makefile.am,
+	src/lib/libbsp/sparc/leon2/Makefile.am,
+	src/lib/libbsp/sparc/leon3/Makefile.am: Added a generic smp wait
+	method to sparc and i386 bsps.
+	* src/lib/libbsp/shared/smp/bspsmp_wait_for.c: New file.
+
 2011-04-21	Jennifer Averett <Jennifer.Averett@OARcorp.com
 
 	PR 1777/cpukit
diff --git a/c/src/lib/libbsp/i386/pc386/Makefile.am b/c/src/lib/libbsp/i386/pc386/Makefile.am
index 8c1806b30d..9c79c02ac2 100644
--- a/c/src/lib/libbsp/i386/pc386/Makefile.am
+++ b/c/src/lib/libbsp/i386/pc386/Makefile.am
@@ -109,7 +109,8 @@ libbsp_a_SOURCES += timer/timer.c timer/timerisr.S
 libbsp_a_SOURCES += ide/idecfg.c ide/ide.c
 
 if HAS_SMP
-libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c
+libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c \
+    ../../shared/smp/bspsmp_wait_for.c
 endif
 
 if HAS_NETWORKING
diff --git a/c/src/lib/libbsp/shared/smp/bspsmp_wait_for.c b/c/src/lib/libbsp/shared/smp/bspsmp_wait_for.c
new file mode 100644
index 0000000000..19b04fe5c9
--- /dev/null
+++ b/c/src/lib/libbsp/shared/smp/bspsmp_wait_for.c
@@ -0,0 +1,30 @@
+/*
+ *
+ *  COPYRIGHT (c) 1989-2011.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id
+ */
+
+void rtems_bsp_delay( int usec );
+
+void bsp_smp_wait_for(
+  volatile unsigned int *address,
+  unsigned int           desired,
+  int                    maximum_usecs
+)
+{
+  int iterations;
+  volatile unsigned int *p = address;
+
+  for (iterations=0 ;  iterations < maximum_usecs ; iterations++ ) {
+    if ( *p == desired )
+      break;
+
+    rtems_bsp_delay( 1 );
+  }
+}
diff --git a/c/src/lib/libbsp/sparc/erc32/Makefile.am b/c/src/lib/libbsp/sparc/erc32/Makefile.am
index 6a77d0a16d..05d8b8ea92 100644
--- a/c/src/lib/libbsp/sparc/erc32/Makefile.am
+++ b/c/src/lib/libbsp/sparc/erc32/Makefile.am
@@ -1,5 +1,5 @@
 ##
-## $Id$
+## $Id: Makefile.am,v 1.54 2011/05/23 17:41:30 jennifer Exp 
 ##
 
 ACLOCAL_AMFLAGS = -I ../../../../aclocal
@@ -55,7 +55,8 @@ libbsp_a_SOURCES += clock/ckinit.c ../../../shared/clockdrv_shell.h
 libbsp_a_SOURCES += timer/timer.c
 
 if HAS_SMP
-libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c
+libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c \
+    ../../shared/smp/bspsmp_wait_for.c
 endif
 
 if HAS_NETWORKING
diff --git a/c/src/lib/libbsp/sparc/leon2/Makefile.am b/c/src/lib/libbsp/sparc/leon2/Makefile.am
index 6de6cd82a7..26103db0be 100644
--- a/c/src/lib/libbsp/sparc/leon2/Makefile.am
+++ b/c/src/lib/libbsp/sparc/leon2/Makefile.am
@@ -100,7 +100,8 @@ libbsp_a_SOURCES += ../../sparc/shared/i2c/i2cmst.c
 libbsp_a_SOURCES += timer/timer.c
 
 if HAS_SMP
-libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c
+libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c \
+    ../../shared/smp/bspsmp_wait_for.c
 endif
 
 if HAS_NETWORKING
diff --git a/c/src/lib/libbsp/sparc/leon3/Makefile.am b/c/src/lib/libbsp/sparc/leon3/Makefile.am
index ec14baea0c..6a28ccd8bb 100644
--- a/c/src/lib/libbsp/sparc/leon3/Makefile.am
+++ b/c/src/lib/libbsp/sparc/leon3/Makefile.am
@@ -94,7 +94,8 @@ libbsp_a_SOURCES += ../../sparc/shared/i2c/i2cmst.c
 libbsp_a_SOURCES += timer/timer.c
 
 if HAS_SMP
-libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c
+libbsp_a_SOURCES += ../../shared/smp/getcpuid.c ../../shared/smp/smp_stub.c \
+    ../../shared/smp/bspsmp_wait_for.c
 endif
 
 if HAS_NETWORKING