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Re: [PATCH 2/4] SPU add shm_open and shm_unlink


Patch checked in.

-- Jeff J.

Patrick Mansfield wrote:
Patch from Joel to add SPU shm_open and shm_unlink via assist calls.

libgloss ChangeLog:

2007-09-20 Joel Schopp  <jschopp@austin.ibm.com>
	* spu/jsre.h: Add JSRE_SHM_OPEN and JSRE_SHM_UNLINK opcodes.
	* spu/shm_open.c: New file to add shm_open via assist call.
	* spu/shm_unlink.c: New file to add shm_unlink via assist call.
	* spu/Makefile.in: Add shm_open.o and shm_unlink.o

Index: quilt/libgloss/spu/jsre.h
===================================================================
--- quilt.orig/libgloss/spu/jsre.h
+++ quilt/libgloss/spu/jsre.h
@@ -48,6 +48,8 @@ Author: Andreas Neukoetter (ti95neuk@de.
#define JSRE_LSTAT 10
#define JSRE_OPEN 15
#define JSRE_READ 16
+#define JSRE_SHM_OPEN 21
+#define JSRE_SHM_UNLINK 22
#define JSRE_STAT 23
#define JSRE_UNLINK 24
#define JSRE_WRITE 27
Index: quilt/libgloss/spu/shm_open.c
===================================================================
--- /dev/null
+++ quilt/libgloss/spu/shm_open.c
@@ -0,0 +1,53 @@
+/*
+ Copyright 2007
+ International Business Machines 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
+{
+ char *name;
+ unsigned int pad0[3];
+ int oflag;
+ unsigned int pad1[3];
+ mode_t mode;
+ unsigned int pad2[3];
+} syscall_shm_open_t;
+
+int shm_open (const char *name, int oflag, mode_t mode)
+{
+ syscall_shm_open_t sys;
+
+ sys.name = (char *) name;
+ sys.oflag = oflag;
+ sys.mode = mode;
+ return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_SHM_OPEN, &sys);
+}
Index: quilt/libgloss/spu/shm_unlink.c
===================================================================
--- /dev/null
+++ quilt/libgloss/spu/shm_unlink.c
@@ -0,0 +1,38 @@
+/*
+ Copyright 2007
+ International Business Machines 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"
+
+int shm_unlink (const char *name)
+{
+ return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_SHM_UNLINK, &name);
+}
Index: quilt/libgloss/spu/Makefile.in
===================================================================
--- quilt.orig/libgloss/spu/Makefile.in
+++ quilt/libgloss/spu/Makefile.in
@@ -60,8 +60,8 @@ 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 stat.o symlink.o sync.o \
- syscalls.o truncate.o unlink.o write.o
+ read.o readlink.o rmdir.o sbrk.o shm_open.o shm_unlink.o stat.o \
+ symlink.o sync.o syscalls.o truncate.o unlink.o write.o
# Object files specific to particular targets.
EVALOBJS = ${OBJS}
@@ -155,4 +155,4 @@ Makefile: Makefile.in config.status @hos
config.status: configure
$(SHELL) config.status --recheck
-syscalls.o close.o fstat.o lseek.o open.o read.o stat.o unlink.o write.o: jsre.h
+syscalls.o close.o fstat.o lseek.o open.o read.o stat.o unlink.o write.o shm_open.o shm_unlink.o: jsre.h


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