1641d724b8
* spu/jsre.h(JSRE_STAT): New define.
(syscall_stat_t): New type.
* spu/syscalls.c(stat): New syscall.
292 lines
7.2 KiB
C
292 lines
7.2 KiB
C
/*
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(C) Copyright IBM Corp. 2005, 2006
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of IBM nor the names of its contributors may be
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used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
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*/
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#include <spu_intrinsics.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include "../syscall.h"
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#include "jsre.h"
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static void
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send_to_ppe_0x2101 (int opcode, void *data)
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{
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unsigned int combined = ( ( opcode<<24 )&0xff000000 ) | ( ( unsigned int )data & 0x00ffffff );
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vector unsigned int stopfunc = {
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0x00002101, /* stop 0x2101 */
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(unsigned int) combined,
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0x4020007f, /* nop */
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0x35000000 /* bi $0 */
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};
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void (*f) (void) = (void *) &stopfunc;
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asm ("sync");
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return (f ());
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}
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int
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isatty (int fd)
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{
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return (0);
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}
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int
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getpid ()
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{
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return (1);
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}
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int
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kill (int pid, int sig)
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{
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if (pid == 1)
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{
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_exit (sig);
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}
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}
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int
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read (int file, void *ptr, size_t len)
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{
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syscall_write_t sys;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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sys.file = file;
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sys.ptr = ( unsigned int )ptr;
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sys.len = len;
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send_to_ppe_0x2101 (JSRE_READ, &sys);
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errno = psys_out->err;
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return ( psys_out->rc);
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}
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off_t
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lseek (int file, off_t offset, int whence)
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{
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syscall_lseek_t sys;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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sys.file = file;
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sys.offset = offset;
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switch( whence ){
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case SEEK_SET:
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sys.whence = JSRE_SEEK_SET;
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break;
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case SEEK_CUR:
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sys.whence = JSRE_SEEK_CUR;
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break;
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case SEEK_END:
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sys.whence = JSRE_SEEK_END;
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break;
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}
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send_to_ppe_0x2101 (JSRE_LSEEK, &sys);
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errno = psys_out->err;
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return ( psys_out->rc);
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}
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int
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write (int file, const void *ptr, size_t len)
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{
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syscall_write_t sys;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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sys.file = file;
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sys.ptr = ( unsigned int )ptr;
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sys.len = len;
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send_to_ppe_0x2101 (JSRE_WRITE, &sys);
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errno = psys_out->err;
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return ( psys_out->rc);
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}
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int
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open (const char *filename, int flags, ...)
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{
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int rc;
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int len;
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syscall_open_t sys ;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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sys.pathname = ( unsigned int )filename;
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sys.flags = 0;
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sys.flags |= ( ( flags & O_CREAT ) ? JSRE_O_CREAT : 0 );
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sys.flags |= ( ( flags & O_EXCL ) ? JSRE_O_EXCL : 0 );
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sys.flags |= ( ( flags & O_NOCTTY ) ? JSRE_O_NOCTTY : 0 );
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sys.flags |= ( ( flags & O_TRUNC ) ? JSRE_O_TRUNC : 0 );
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sys.flags |= ( ( flags & O_APPEND ) ? JSRE_O_APPEND : 0 );
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// sys.flags |= ( ( flags & O_NOBLOCK ) ? JSRE_O_NOBLOCK : 0 );
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// sys.flags |= ( ( flags & O_NDELAY ) ? JSRE_O_NDELAY : 0 );
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sys.flags |= ( ( flags & O_SYNC ) ? JSRE_O_SYNC : 0 );
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// sys.flags |= ( ( flags & O_NOFOLLOW ) ? JSRE_O_NOFOLLOW : 0 );
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// sys.flags |= ( ( flags & O_DIRECTORY ) ? JSRE_O_DIRECTORY : 0 );
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// sys.flags |= ( ( flags & O_DIRECT ) ? JSRE_O_DIRECT : 0 );
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// sys.flags |= ( ( flags & O_ASYNC ) ? JSRE_O_ASYNC : 0 );
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// sys.flags |= ( ( flags & O_LARGEFILE ) ? JSRE_O_LARGEFILE : 0 );
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sys.flags |= ( ( flags & O_RDONLY ) ? JSRE_O_RDONLY : 0 );
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sys.flags |= ( ( flags & O_WRONLY ) ? JSRE_O_WRONLY : 0 );
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sys.flags |= ( ( flags & O_RDWR ) ? JSRE_O_RDWR : 0 );
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/* FIXME: we have to check/map all flags */
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if ((sys.flags & O_CREAT))
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{
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va_list ap;
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va_start (ap, flags);
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sys.mode = va_arg (ap, int);
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va_end (ap);
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}
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else
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{
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sys.mode = 0;
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}
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send_to_ppe_0x2101 ( JSRE_OPEN, &sys);
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errno = psys_out->err;
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return ( psys_out->rc);
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}
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int
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close (int file)
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{
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int rc;
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syscall_close_t sys ;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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sys.file = file;
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send_to_ppe_0x2101 (JSRE_CLOSE, &sys);
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errno = psys_out->err;
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return ( psys_out->rc);
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}
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int
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fstat (int file, struct stat *pstat)
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{
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syscall_fstat_t sys;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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jsre_stat_t pjstat;
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sys.file = file;
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sys.ptr = ( unsigned int )&pjstat;
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send_to_ppe_0x2101 (JSRE_FSTAT, &sys);
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pstat->st_dev = pjstat.dev;
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pstat->st_ino = pjstat.ino;
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pstat->st_mode = pjstat.mode;
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pstat->st_nlink = pjstat.nlink;
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pstat->st_uid = pjstat.uid;
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pstat->st_gid = pjstat.gid;
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pstat->st_rdev = pjstat.rdev;
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pstat->st_size = pjstat.size;
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pstat->st_blksize = pjstat.blksize;
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pstat->st_blocks = pjstat.blocks;
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pstat->st_atime = pjstat.atime;
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pstat->st_mtime = pjstat.mtime;
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pstat->st_ctime = pjstat.ctime;
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errno = psys_out->err;
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return( psys_out->rc );
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}
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int
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stat (const char *pathname, struct stat *pstat)
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{
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syscall_stat_t sys;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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jsre_stat_t pjstat;
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sys.pathname = pathname;
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sys.ptr = ( unsigned int )&pjstat;
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send_to_ppe_0x2101 (JSRE_STAT, &sys);
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pstat->st_dev = pjstat.dev;
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pstat->st_ino = pjstat.ino;
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pstat->st_mode = pjstat.mode;
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pstat->st_nlink = pjstat.nlink;
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pstat->st_uid = pjstat.uid;
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pstat->st_gid = pjstat.gid;
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pstat->st_rdev = pjstat.rdev;
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pstat->st_size = pjstat.size;
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pstat->st_blksize = pjstat.blksize;
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pstat->st_blocks = pjstat.blocks;
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pstat->st_atime = pjstat.atime;
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pstat->st_mtime = pjstat.mtime;
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pstat->st_ctime = pjstat.ctime;
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errno = psys_out->err;
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return( psys_out->rc );
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}
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int
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unlink (const char *pathname)
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{
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int rc;
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syscall_unlink_t sys ;
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syscall_out_t *psys_out = ( syscall_out_t* )&sys;
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sys.pathname = ( unsigned int )pathname;
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send_to_ppe_0x2101 (JSRE_UNLINK, &sys);
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errno = psys_out->err;
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return ( psys_out->rc);
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}
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