void _init_c_runtime()
{
// Initialize .bss section
extern char _BSS_START_, _BSS_END_;
streamset8(&_BSS_START_, 0, &_BSS_END_ - &_BSS_START_);
// Initialize the heap before exceptions
extern caddr_t heap_end; // used by SBRK:
extern char _end; // Defined by the linker
// Set heap to after _end (given by linker script) if needed
if (&_end > heap_end)
heap_end = &_end;
/// initialize newlib I/O
newlib_reent = (struct _reent) _REENT_INIT(newlib_reent);
// set newlibs internal structure to ours
_REENT = &newlib_reent;
// Unix standard streams
stdin = _REENT->_stdin; // stdin == 1
stdout = _REENT->_stdout; // stdout == 2
stderr = _REENT->_stderr; // stderr == 3
/// initialize exceptions before we can run constructors
extern void* __eh_frame_start;
// Tell the stack unwinder where exception frames are located
extern void __register_frame(void*);
__register_frame(&__eh_frame_start);
/// call global constructors emitted by compiler
extern void _init();
_init();
}
// guarantee that the directory is initalized empty
VFSdir()
{
streamset8(nodes, 0, VFS::BLOCK_SIZE);
//memset(nodes, 0, VFS::BLOCK_SIZE);
}
