diff options
Diffstat (limited to 'newlib/libc/sys/m88kbug/syscalls.c')
-rw-r--r-- | newlib/libc/sys/m88kbug/syscalls.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/newlib/libc/sys/m88kbug/syscalls.c b/newlib/libc/sys/m88kbug/syscalls.c deleted file mode 100644 index 32f42a9..0000000 --- a/newlib/libc/sys/m88kbug/syscalls.c +++ /dev/null @@ -1,131 +0,0 @@ -/* Operating system and traps for mvme187bug, the motorolola BUG - monitor for m88k */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/times.h> -#include <errno.h> - -#include "sys/systraps.h" - -static void writechar(int c) { - register int n asm ("r2"); - n = c; - SYSTRAP(OUTCHR); - return; -} - -static int readchar(void) { - register int n asm ("r2"); - SYSTRAP(INCHR); - return(n); -} - -int read(int file, char *ptr, int len) { - int todo; - - for (todo = len; todo; --todo) { - *ptr++ = readchar(); - } - - return(len); -} - -int lseek(int file, int ptr, int dir) { - return 0; -} - -int write(int file, char *ptr, int len) { - int todo; - - for (todo = len; todo; --todo) { - writechar(*ptr++); - } - return(len); -} - -int close(int file) { - return(-1); -} - -caddr_t sbrk(int incr) { - extern char end; /* Defined by the linker */ - static char *heap_end; - char *prev_heap_end; - - if (heap_end == 0) - { - heap_end = &end; - } - prev_heap_end = heap_end; - if (heap_end + incr > stack_ptr) - { - _write (1, "Heap and stack collision\n", 25); - abort (); - } - heap_end += incr; - return((caddr_t) prev_heap_end); -} - -int isatty(int file) { - return(1); -} - -int fstat(int file, struct stat *st) { - st->st_mode = S_IFCHR; - return(0); -} - -int stat(char *filename, struct stat *st) { - st->st_mode = S_IFCHR; - return(0); -} - -int open(const char *path, int flags) { - return(0); -} - - -int _exit() { - SYSTRAP(RETURN); -} - -int execve(char *name, char **argv, char **env) { - errno = ENOMEM; - return(-1); -} - -int fork() { - errno = EAGAIN; - return(-1); -} - -int getpid() { - return(1); -} - -int kill(int pid, int sig) { - errno = EINVAL; - return(-1); -} - -int link(char *old, char *new) { - errno = EMLINK; - return(-1); -} - -clock_t times(struct tms *buf) { - return(-1); -} - -int unlink(char *name) { - errno = ENOENT; - return(-1); -} - -int wait(int *status) { - errno = ECHILD; - return(-1); -} - -/* end of syscalls.c */ |