various forgotten files

src/libthread/power.c

@@ -0,0 +1,40 @@
+#include "threadimpl.h"
+
+static void
+launcherpower(int a0, int a1, int a2, int a3, int a4, int a5, int a6, int a7,
+	void (*f)(void *arg), void *arg)
+{
+	(*f)(arg);
+	threadexits(nil);
+}
+
+void
+_threadinitstack(Thread *t, void (*f)(void*), void *arg)
+{
+	ulong *tos, *stk;
+
+	tos = (ulong*)&t->stk[t->stksize&~7];
+	stk = tos;
+	--stk;
+	--stk;
+	--stk;
+	--stk;
+	*--stk = (ulong)arg;
+	*--stk = (ulong)f;
+	t->sched.pc = (ulong)launcherpower+LABELDPC;
+	t->sched.sp = ((ulong)stk)-8;
+	*((ulong *)t->sched.sp) = 0;
+}
+
+void
+_threadinswitch(int enter)
+{
+	USED(enter);
+}
+
+void
+_threadstacklimit(void *addr, void *addr2)
+{
+	USED(addr);
+}
+