114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
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/* system calls for the Visium processor.
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Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited.
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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 Rolls-Royce Controls and Data Services Limited nor
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the names of its contributors may be used to endorse or promote products
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derived from this software without 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
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THE POSSIBILITY OF SUCH DAMAGE. */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <string.h>
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#include "ql_fs.h"
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#include "ql_log.h"
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#include "ql_api_osi.h"
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#define QL_NEWLIB_LOG_LEVEL QL_LOG_LEVEL_INFO
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#define QL_NEWLIB_LOG(msg, ...) QL_LOG(QL_NEWLIB_LOG_LEVEL, "ql_NEWLIB", msg, ##__VA_ARGS__)
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#define QL_NEWLIB_LOG_PUSH(msg, ...) QL_LOG_PUSH("ql_NEWLIB", msg, ##__VA_ARGS__)
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extern QFILE ql_open(const char *file_name, int mode);
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int close (int fildes)
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{
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return ql_fclose(fildes);
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}
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int fstat (int fildes, struct stat *st)
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{
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return ql_fstat(fildes,st);
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}
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int gettimeofday (struct timeval *__p, void *__tz)
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{
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ql_timeval_t *timeval = (ql_timeval_t *)__p;
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ql_gettimeofday(timeval);
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return 0;
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}
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/*如果参数fildes所代表的文件描述词为一终端机则返回1，否则返回0*/
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int isatty (int fildes)
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{
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return 0;
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}
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off_t lseek (int fildes, off_t offset, int whence)
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{
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return ql_fseek(fildes, offset, whence);
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}
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int open (const char *path, int oflag, ...)
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{
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int fd = ql_open(path, oflag);
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QL_NEWLIB_LOG("open %s %d %d",path,oflag,fd);
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return fd;
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}
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int read (int fildes, void *buf, size_t nbyte)
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{
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size_t size = ql_fread(buf, nbyte, 1, fildes);
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QL_NEWLIB_LOG("read %d %d %s %d",fildes,nbyte,buf,size);
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return size;
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}
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int rename (const char *old, const char *new)
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{
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return ql_rename(old,new);
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}
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int stat (const char *path, struct stat *st)
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{
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return ql_stat(path, st);
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}
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int unlink (const char *path)
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{
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return ql_remove(path);
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}
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int write (int fildes, const void *buf, size_t nbyte)
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{
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size_t size = ql_fwrite((void *)buf, nbyte, 1, fildes);
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QL_NEWLIB_LOG("write %d %d %s %d",fildes,nbyte,buf,size);
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return size;
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}
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