Basic VM and other minor improvements.

Not complete, probably not fully debugged or optimized.

lib/syslib/vm_fork.c

@@ -0,0 +1,23 @@
+
+#include "syslib.h"
+
+#include <minix/vm.h>
+
+/*===========================================================================*
+ *                                vm_fork				     *
+ *===========================================================================*/
+PUBLIC int vm_fork(endpoint_t ep, int slot, int *childep)
+{
+    message m;
+    int result;
+
+    m.VMF_ENDPOINT = ep;
+    m.VMF_SLOTNO = slot;
+
+    result = _taskcall(VM_PROC_NR, VM_FORK, &m);
+
+    *childep = m.VMF_CHILD_ENDPOINT;
+
+    return(result);
+}
+