1 files changed, 0 insertions, 95 deletions
diff --git a/picorv32/scripts/romload/syscalls.c b/picorv32/scripts/romload/syscalls.c
deleted file mode 100644
index 8ea84ca..0000000
--- a/picorv32/scripts/romload/syscalls.c
+++ /dev/null
@@ -1,95 +0,0 @@
-// An extremely minimalist syscalls.c for newlib
-// Based on riscv newlib libgloss/riscv/sys_*.c
-// Written by Clifford Wolf.
-
-#include <sys/stat.h>
-#include <unistd.h>
-#include <errno.h>
-
-#define UNIMPL_FUNC(_f) ".globl " #_f "\n.type " #_f ", @function\n" #_f ":\n"
-
-asm (
-	".text\n"
-	".align 2\n"
-	UNIMPL_FUNC(_open)
-	UNIMPL_FUNC(_openat)
-	UNIMPL_FUNC(_lseek)
-	UNIMPL_FUNC(_stat)
-	UNIMPL_FUNC(_lstat)
-	UNIMPL_FUNC(_fstatat)
-	UNIMPL_FUNC(_isatty)
-	UNIMPL_FUNC(_access)
-	UNIMPL_FUNC(_faccessat)
-	UNIMPL_FUNC(_link)
-	UNIMPL_FUNC(_unlink)
-	UNIMPL_FUNC(_execve)
-	UNIMPL_FUNC(_getpid)
-	UNIMPL_FUNC(_fork)
-	UNIMPL_FUNC(_kill)
-	UNIMPL_FUNC(_wait)
-	UNIMPL_FUNC(_times)
-	UNIMPL_FUNC(_gettimeofday)
-	UNIMPL_FUNC(_ftime)
-	UNIMPL_FUNC(_utime)
-	UNIMPL_FUNC(_chown)
-	UNIMPL_FUNC(_chmod)
-	UNIMPL_FUNC(_chdir)
-	UNIMPL_FUNC(_getcwd)
-	UNIMPL_FUNC(_sysconf)
-	"j unimplemented_syscall\n"
-);
-
-void unimplemented_syscall()
-{
-	const char *p = "Unimplemented system call called!\n";
-	while (*p)
-		*(volatile int*)0x10000000 = *(p++);
-	asm volatile ("ebreak");
-	__builtin_unreachable();
-}
-
-ssize_t _read(int file, void *ptr, size_t len)
-{
-	// always EOF
-	return 0;
-}
-
-ssize_t _write(int file, const void *ptr, size_t len)
-{
-	const void *eptr = ptr + len;
-	while (ptr != eptr)
-		*(volatile int*)0x10000000 = *(char*)(ptr++);
-	return len;
-}
-
-int _close(int file)
-{
-	// close is called before _exit()
-	return 0;
-}
-
-int _fstat(int file, struct stat *st)
-{
-	// fstat is called during libc startup
-	errno = ENOENT;
-	return -1;
-}
-
-void *_sbrk(ptrdiff_t incr)
-{
-	extern unsigned char _end[];   // Defined by linker
-	static unsigned long heap_end;
-
-	if (heap_end == 0)
-		heap_end = (long)_end;
-
-	heap_end += incr;
-	return (void *)(heap_end - incr);
-}
-
-void _exit(int exit_status)
-{
-	asm volatile ("ebreak");
-	__builtin_unreachable();
-}
-