158 lines
2.9 KiB
C
158 lines
2.9 KiB
C
/* syscalls.c -- reentrant syscalls for OpenRISC 1000.
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*
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* Copyright (c) 2011, 2014 Authors
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*
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* Contributor Julius Baxter <juliusbaxter@gmail.com>
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* Contributor Stefan Wallentowitz <stefan.wallentowitz@tum.de>
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#include <errno.h>
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#include <reent.h>
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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 "board.h"
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/* Write is actually the only thing we provide. All other are stubs.. */
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extern void _or1k_outbyte(char c);
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_ssize_t
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_write_r(struct _reent * reent, int fd, const void *buf, size_t nbytes)
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{
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int i;
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char* b = (char*) buf;
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for (i = 0; i < nbytes; i++) {
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if (*(b + i) == '\n') {
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_or1k_outbyte ('\r');
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}
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_or1k_outbyte (*(b + i));
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}
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return (nbytes);
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}
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void
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_exit(int rc)
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{
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_or1k_board_exit();
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while (1) {}
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}
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int
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_close_r(struct _reent *reent, int fildes)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_execve_r(struct _reent *reent, const char *name, char * const *argv,
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char * const *env)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_fork_r(struct _reent *reent)
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{
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errno = ENOSYS;
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return -1;
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}
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int
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_fstat_r(struct _reent *reent, int fildes, struct stat *st)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_getpid_r(struct _reent *reent)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_gettimeofday(struct _reent *reent, struct timeval *ptimeval, void *ptimezone)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_isatty_r(struct _reent *reent, int file)
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{
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reent->_errno = ENOSYS;
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return 0;
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}
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int
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_kill_r(struct _reent *reent, int pid, int sig)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_link_r(struct _reent *reent, const char *existing, const char *new)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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_off_t
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_lseek_r(struct _reent *reent, int file, _off_t ptr, int dir)
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{
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errno = ENOSYS;
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return -1;
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}
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int
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_open_r(struct _reent *reent, const char *file, int flags, int mode)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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_ssize_t
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_read_r(struct _reent *reent, int file, void *ptr, size_t len)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_readlink_r(struct _reent *reent, const char *path, char *buf, size_t bufsize)
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{
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reent->_errno = ENOSYS;
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return -1;
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}
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int
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_stat_r(struct _reent *reent, const char *path, struct stat *buf)
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{
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reent->_errno = EIO;
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return -1;
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}
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int
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_unlink_r(struct _reent *reent, const char * path)
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{
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reent->_errno = EIO;
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return (-1);
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}
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