[PATCH 1/8] SPU add getpagesize via an assist call

[Patrick Mansfield <patmans at us dot ibm dot com>]

Add getpagesize via an assist call.

libgloss ChangeLog:

2007-06-18 Patrick Mansfield <patmans@us.ibm.com>

	* spu/getpagesize.c: New file add getpagesize via an assist call.
	* spu/jsre.h: Add JSRE_GETPAGESIZE.
	* spu/Makefile.in: Add getpagesize.

Index: quilt/libgloss/spu/getpagesize.c
===================================================================
--- /dev/null
+++ quilt/libgloss/spu/getpagesize.c
@@ -0,0 +1,48 @@
+/*
+  Copyright 2007
+  International Business Machines Corporation,
+  Sony Computer Entertainment, Incorporated,
+  Toshiba Corporation,
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+    * Neither the names of the copyright holders nor the names of their
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <unistd.h>
+#include "jsre.h"
+
+size_t
+getpagesize (void)
+{
+  int sys;
+
+  /*
+   * linux/ppc has int getpagesize(void), but even if size_t were 8 bytes
+   * we are OK since we are converting the int returned from
+   * __send_to_ppe.
+   */
+  return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_GETPAGESIZE, &sys);
+}
Index: quilt/libgloss/spu/jsre.h
===================================================================
--- quilt.orig/libgloss/spu/jsre.h
+++ quilt/libgloss/spu/jsre.h
@@ -39,6 +39,7 @@ Author: Andreas Neukoetter (ti95neuk@de.
 
 #define JSRE_CLOSE 2
 #define JSRE_FSTAT 4
+#define JSRE_GETPAGESIZE 6
 #define JSRE_GETTIMEOFDAY 7
 #define JSRE_LSEEK 9
 #define JSRE_OPEN 15
Index: quilt/libgloss/spu/Makefile.in
===================================================================
--- quilt.orig/libgloss/spu/Makefile.in
+++ quilt/libgloss/spu/Makefile.in
@@ -56,7 +56,7 @@ OBJCOPY = `t='$(program_transform_name)'
 # object files needed
 OBJS = syscalls.o exit.o sbrk.o close.o fstat.o getpid.o isatty.o \
 	kill.o lseek.o nanosleep.o open.o read.o unlink.o write.o stat.o \
-	ftruncate.o dup.o access.o gettimeofday.o
+	ftruncate.o dup.o access.o gettimeofday.o getpagesize.o
 
 # Object files specific to particular targets.
 EVALOBJS = ${OBJS}