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