##// END OF EJS Templates
Added Simulator target to run code on x86 and debug functions....
Added Simulator target to run code on x86 and debug functions. Fixed some bugs on terminal widget.

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r18:bd9ab647f70a default
r63:68dfbccdd813 dev_alexis
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syscalls.c
134 lines | 1.6 KiB | text/x-c | CLexer
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/times.h>
#undef errno
#ifdef __cplusplus
extern "C" {
#endif
extern int errno;
char *__env[1] = { 0 };
char **environ = __env;
int _exit()
{
while(1);
}
int _close(int file) {
return -1;
}
int _write(int file, char *ptr, int len) {
int todo;
for (todo = 0; todo < len; todo++) {
//outbyte (*ptr++);
}
return len;
}
int _execve(char *name, char **argv, char **env) {
errno = ENOMEM;
return -1;
}
int _fork(void) {
errno = EAGAIN;
return -1;
}
int _fstat(int file, struct stat *st) {
st->st_mode = S_IFCHR;
return 0;
}
int _getpid(void) {
return 1;
}
int _isatty(int file) {
return 1;
}
int _kill(int pid, int sig) {
errno = EINVAL;
return -1;
}
int _link(char *old, char *new) {
errno = EMLINK;
return -1;
}
int _lseek(int file, int ptr, int dir) {
return 0;
}
int _open(const char *name, int flags, int mode) {
return -1;
}
int _read(int file, char *ptr, int len) {
return 0;
}
caddr_t _sbrk(int incr) {
register char * stack_ptr __asm__ ("sp");
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 _stat(char *file, struct stat *st) {
st->st_mode = S_IFCHR;
return 0;
}
int _times(struct tms *buf) {
return -1;
}
int _unlink(char *name) {
errno = ENOENT;
return -1;
}
int _wait(int *status) {
errno = ECHILD;
return -1;
}
#ifdef __cplusplus
}
#endif