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[PATCH 3/4] SPU add sched_yield, umask, utime and utimes
Add SPU support for sched_yield, umask, utime and utimes via
via assist calls.
newlib ChangeLog:
2007-09-20 Patrick Mansfield <patmans@us.ibm.com>
* libc/include/sched.h: New file, just include sys/sched.h.
* libc/machine/spu/sys/sched.h: New file, has just sched_yield
prototype.
* libc/machine/spu/sys/utime.h: New file, has utime prototype and
struct utimbuf definition.
libgloss ChangeLog:
2007-09-20 Patrick Mansfield <patmans@us.ibm.com>
* spu/jsre.h: Add JSRE_SCHED_YIELD, JSRE_UMASK, JSRE_UTIME, and
JSRE_UTIMES.
* spu/sched_yield.c: New file add sched_yield via assist call.
* spu/umask.c: New file add umask via assist call.
* spu/utime.c: New file add utime via assist call.
* spu/utimes.c: New file add utimes via assist call.
* spu/Makefile.in: Add new files.
Index: quilt/libgloss/spu/jsre.h
===================================================================
--- quilt.orig/libgloss/spu/jsre.h
+++ quilt/libgloss/spu/jsre.h
@@ -86,6 +86,10 @@ Author: Andreas Neukoetter (ti95neuk@de.
#define JSRE_REWINDDIR 58
#define JSRE_SEEKDIR 59
#define JSRE_TELLDIR 60
+#define JSRE_SCHED_YIELD 61
+#define JSRE_UMASK 62
+#define JSRE_UTIME 63
+#define JSRE_UTIMES 64
struct jsre_stat {
unsigned int dev;
Index: quilt/libgloss/spu/sched_yield.c
===================================================================
--- /dev/null
+++ quilt/libgloss/spu/sched_yield.c
@@ -0,0 +1,49 @@
+/*
+ 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 <sched.h>
+#include "jsre.h"
+
+
+typedef struct {
+ unsigned int res;
+ unsigned int pad0[3];
+} struct_sched_yield_t;
+
+int
+sched_yield (void)
+{
+ struct_sched_yield_t sys;
+
+ return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_SCHED_YIELD, &sys);
+}
Index: quilt/libgloss/spu/umask.c
===================================================================
--- /dev/null
+++ quilt/libgloss/spu/umask.c
@@ -0,0 +1,41 @@
+/*
+ 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/stat.h>
+#include "jsre.h"
+
+mode_t
+umask (mode_t mask)
+{
+ return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_UMASK, &mask);
+}
Index: quilt/libgloss/spu/utime.c
===================================================================
--- /dev/null
+++ quilt/libgloss/spu/utime.c
@@ -0,0 +1,54 @@
+/*
+ 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/types.h>
+#include <utime.h>
+#include "jsre.h"
+
+typedef struct
+{
+ unsigned int filename;
+ unsigned int pad0[3];
+ unsigned int buf;
+ unsigned int pad1[3];
+} syscall_utime_t;
+
+int
+utime (const char *filename, const struct utimbuf *buf)
+{
+ syscall_utime_t sys;
+
+ sys.filename = (unsigned int) filename;
+ sys.buf = (unsigned int) buf;
+ return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_UTIME, &sys);
+}
Index: quilt/libgloss/spu/utimes.c
===================================================================
--- /dev/null
+++ quilt/libgloss/spu/utimes.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/types.h>
+#include <sys/time.h>
+#include <utime.h>
+#include "jsre.h"
+
+typedef struct
+{
+ unsigned int filename;
+ unsigned int pad0[3];
+ unsigned int times;
+ unsigned int pad1[3];
+} syscall_utimes_t;
+
+int
+utimes (const char *filename, const struct timeval times[2])
+{
+ syscall_utimes_t sys;
+
+ sys.filename = (unsigned int) filename;
+ sys.times = (unsigned int) times;
+ return __send_to_ppe (JSRE_POSIX1_SIGNALCODE, JSRE_UTIMES, &sys);
+}
Index: quilt/libgloss/spu/Makefile.in
===================================================================
--- quilt.orig/libgloss/spu/Makefile.in
+++ quilt/libgloss/spu/Makefile.in
@@ -60,8 +60,9 @@ 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 shm_open.o shm_unlink.o stat.o \
- symlink.o sync.o syscalls.o truncate.o unlink.o write.o
+ read.o readlink.o rmdir.o sbrk.o sched_yield.o shm_open.o \
+ shm_unlink.o stat.o symlink.o sync.o syscalls.o truncate.o umask.o \
+ unlink.o utime.o utimes.o write.o
# Object files specific to particular targets.
EVALOBJS = ${OBJS}
Index: quilt/newlib/libc/include/sched.h
===================================================================
--- /dev/null
+++ quilt/newlib/libc/include/sched.h
@@ -0,0 +1,9 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/sched.h>
+
+#ifdef __cplusplus
+}
+#endif
Index: quilt/newlib/libc/machine/spu/sys/sched.h
===================================================================
--- /dev/null
+++ quilt/newlib/libc/machine/spu/sys/sched.h
@@ -0,0 +1,6 @@
+#ifndef _SYS_SCHED_H
+#define _SYS_SCHED_H
+
+int sched_yield(void);
+
+#endif
Index: quilt/newlib/libc/machine/spu/sys/utime.h
===================================================================
--- /dev/null
+++ quilt/newlib/libc/machine/spu/sys/utime.h
@@ -0,0 +1,23 @@
+#ifndef _SYS_UTIME_H
+#define _SYS_UTIME_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Per POSIX
+ */
+struct utimbuf
+{
+ time_t actime;
+ time_t modtime;
+};
+
+int utime(const char *, const struct utimbuf *);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif