1 files changed, 0 insertions, 157 deletions
diff --git a/src/lib/syscalls.c b/src/lib/syscalls.c
deleted file mode 100644
index 390cecd..0000000
--- a/src/lib/syscalls.c
+++ /dev/null
@@ -1,157 +0,0 @@
-#include "libmaple.h"
-#include <sys/stat.h>
-
-/* _end is set in the linker command file */
-extern caddr_t _end;
-
-/* just in case, most boards have at least some memory */
-#ifndef RAMSIZE
-#  define RAMSIZE             (caddr_t)0x50000
-#endif
-
-#define STACK_TOP 0x20000800
-
-void uart_send(const char*str);
-
-/*
- * sbrk -- changes heap size size. Get nbytes more
- *         RAM. We just increment a pointer in what's
- *         left of memory on the board.
- */
-caddr_t
-_sbrk(nbytes)
-int nbytes;
-{
-    static caddr_t heap_ptr = NULL;
-    caddr_t        base;
-
-    if (heap_ptr == NULL) {
-        heap_ptr = (caddr_t)&_end;
-    }
-
-    if ((STACK_TOP - (unsigned int)heap_ptr) >= 0) {
-        base = heap_ptr;
-        heap_ptr += nbytes;
-        return (base);
-    } else {
-        uart_send("heap full!\r\n");
-        return ((caddr_t)-1);
-    }
-}
-
-int _open(const char *path, int flags, ...)
-{
-    return 1;
-}
-
-int _close(int fd)
-{
-    return 0;
-}
-
-int _fstat(int fd, struct stat *st)
-{
-    st->st_mode = S_IFCHR;
-    return 0;
-}
-
-int _isatty(int fd)
-{
-    return 1;
-}
-
-int isatty(int fd)
-{
-    return 1;
-}
-
-int _lseek(int fd, off_t pos, int whence)
-{
-    return -1;
-}
-
-unsigned char getch(void)
-{
-//    while (!(USART2->SR & USART_FLAG_RXNE));
-//    return USART2->DR;
-    return 0;
-}
-
-
-int _read(int fd, char *buf, size_t cnt)
-{
-    *buf = getch();
-
-    return 1;
-}
-
-void putch(unsigned char c)
-{
-//    if (c == '\n') putch('\r');
-
-//    while (!(USART2->SR & USART_FLAG_TXE));
-//    USART2->DR = c;
-}
-
-void cgets(char *s, int bufsize)
-{
-    char *p;
-    int c;
-    int i;
-
-    for (i = 0; i < bufsize; i++) {
-        *(s+i) = 0;
-    }
-//    memset(s, 0, bufsize);
-
-    p = s;
-
-    for (p = s; p < s + bufsize-1;)
-    {
-        c = getch();
-        switch (c)
-        {
-        case '\r' :
-        case '\n' :
-            putch('\r');
-            putch('\n');
-            *p = '\n';
-            return;
-
-        case '\b' :
-            if (p > s)
-            {
-                *p-- = 0;
-                putch('\b');
-                putch(' ');
-                putch('\b');
-            }
-            break;
-
-        default :
-            putch(c);
-            *p++ = c;
-            break;
-        }
-    }
-    return;
-}
-
-int _write(int fd, const char *buf, size_t cnt)
-{
-    int i;
-//    uart_send("_write\r\n");
-
-    for (i = 0; i < cnt; i++)
-        putch(buf[i]);
-
-    return cnt;
-}
-
-/* Override fgets() in newlib with a version that does line editing */
-char *fgets(char *s, int bufsize, void *f)
-{
-//    uart_send("fgets\r\n");
-    cgets(s, bufsize);
-    return s;
-}