2007-09-21 Patrick Mansfield <patmans@us.ibm.com>

* spu/Makefile.in: Add new files.
        * spu/jsre.h: Add JSRE_PREAD, JSRE_PWRITE, JSRE_READV, and
        JSRE_WRITEV opcodes.
        * spu/pread.c: New file to add pread via assist call.
        * spu/pwrite.c: New file to add pwrite via assist call.
        * spu/readv.c: New file to add readv via assist call.
        * spu/writev.c: New file to add writev via assist call.

libgloss/ChangeLog

@@ -1,3 +1,13 @@
+2007-09-21  Patrick Mansfield  <patmans@us.ibm.com>
+
+	* spu/Makefile.in: Add new files.
+	* spu/jsre.h: Add JSRE_PREAD, JSRE_PWRITE, JSRE_READV, and
+	JSRE_WRITEV opcodes.
+	* spu/pread.c: New file to add pread via assist call.
+	* spu/pwrite.c: New file to add pwrite via assist call.
+	* spu/readv.c: New file to add readv via assist call.
+	* spu/writev.c: New file to add writev via assist call.
+
 2007-09-21  Patrick Mansfield  <patmans@us.ibm.com>
 
 	* spu/jsre.h: Add JSRE_SCHED_YIELD, JSRE_UMASK, JSRE_UTIME, and

libgloss/spu/Makefile.in

@@ -60,9 +60,10 @@ OBJS = \
 	fsync.o ftruncate.o getcwd.o getpagesize.o getpid.o \
 	gettimeofday.o isatty.o kill.o lchown.o link.o lockf.o lseek.o \
 	lstat.o mkdir.o mknod.o mkstemp.o mktemp.o nanosleep.o open.o \
-	read.o readlink.o rmdir.o sbrk.o sched_yield.o shm_open.o \
+	pread.o pwrite.o read.o readlink.o readv.o rmdir.o sbrk.o \
-	shm_unlink.o stat.o symlink.o sync.o syscalls.o truncate.o umask.o \
+	sched_yield.o shm_open.o shm_unlink.o stat.o symlink.o sync.o \
-	unlink.o utime.o utimes.o write.o
+	syscalls.o truncate.o umask.o unlink.o utime.o utimes.o write.o \
+	writev.o
 
 # Object files specific to particular targets.
 EVALOBJS = ${OBJS}

libgloss/spu/jsre.h

@@ -90,6 +90,10 @@ Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
 #define JSRE_UMASK 62
 #define JSRE_UTIME 63
 #define JSRE_UTIMES 64
+#define JSRE_PREAD 65
+#define JSRE_PWRITE 66
+#define JSRE_READV 67
+#define JSRE_WRITEV 68
 
 struct jsre_stat {
     unsigned int dev;

libgloss/spu/pread.c

@@ -0,0 +1,58 @@
+/*
+  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"
+
+typedef struct
+{
+  unsigned int fd;
+  unsigned int pad0[3];
+  unsigned int buf;
+  unsigned int pad1[3];
+  unsigned int count;
+  unsigned int pad2[3];
+  unsigned int offset;
+  unsigned int pad3[3];
+} syscall_pread_t;
+
+ssize_t pread(int fd, void *buf, size_t count, off_t offset)
+{
+  syscall_pread_t sys;
+
+  sys.fd = (unsigned int) fd;
+  sys.buf = (unsigned int) buf;
+  sys.count = (unsigned int) count;
+  sys.offset = (unsigned int) offset;
+  return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_PREAD, &sys);
+}

libgloss/spu/pwrite.c

@@ -0,0 +1,58 @@
+/*
+  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"
+
+typedef struct
+{
+  unsigned int fd;
+  unsigned int pad0[3];
+  unsigned int buf;
+  unsigned int pad1[3];
+  unsigned int count;
+  unsigned int pad2[3];
+  unsigned int offset;
+  unsigned int pad3[3];
+} syscall_pwrite_t;
+
+ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset)
+{
+  syscall_pwrite_t sys;
+
+  sys.fd = (unsigned int) fd;
+  sys.buf = (unsigned int) buf;
+  sys.count = (unsigned int) count;
+  sys.offset = (unsigned int) offset;
+  return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_PWRITE, &sys);
+}

libgloss/spu/readv.c

@@ -0,0 +1,55 @@
+/*
+  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 <sys/uio.h>
+#include "jsre.h"
+
+typedef struct
+{
+  unsigned int fd;
+  unsigned int pad0[3];
+  unsigned int vec;
+  unsigned int pad1[3];
+  unsigned int count;
+  unsigned int pad2[3];
+} syscall_readv_t;
+
+ssize_t readv(int fd, const struct iovec *vec, int count)
+{
+  syscall_readv_t sys;
+
+  sys.fd = (unsigned int) fd;
+  sys.vec = (unsigned int) vec;
+  sys.count = (unsigned int) count;
+  return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_READV, &sys);
+}

libgloss/spu/writev.c

@@ -0,0 +1,55 @@
+/*
+  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 <sys/uio.h>
+#include "jsre.h"
+
+typedef struct
+{
+  unsigned int fd;
+  unsigned int pad0[3];
+  unsigned int vec;
+  unsigned int pad1[3];
+  unsigned int count;
+  unsigned int pad2[3];
+} syscall_writev_t;
+
+ssize_t writev(int fd, const struct iovec *vec, int count)
+{
+  syscall_writev_t sys;
+
+  sys.fd = (unsigned int) fd;
+  sys.vec = (unsigned int) vec;
+  sys.count = (unsigned int) count;
+  return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_WRITEV, &sys);
+}