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

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* 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.
This commit is contained in:
Jeff Johnston 2007-09-21 21:14:41 +00:00
parent 364faf910a
commit 9594d5c342
7 changed files with 244 additions and 3 deletions
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10
libgloss/ChangeLog
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@ -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

7
libgloss/spu/Makefile.in
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@ -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 \
shm_unlink.o stat.o symlink.o sync.o syscalls.o truncate.o umask.o \
unlink.o utime.o utimes.o write.o
pread.o pwrite.o read.o readlink.o readv.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 \
writev.o
# Object files specific to particular targets.
EVALOBJS = ${OBJS}

4
libgloss/spu/jsre.h
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@ -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;

58
libgloss/spu/pread.c Normal file
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@ -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);
}

58
libgloss/spu/pwrite.c Normal file
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/*
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);
}

55
libgloss/spu/readv.c Normal file
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@ -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);
}

55
libgloss/spu/writev.c Normal file
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@ -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);
}