[PATCH 3/4] SPU add sched_yield, umask, utime and utimes

[Jeff Johnston]

Patch checked in.

-- Jeff J.

Patrick Mansfield wrote:
> 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
>