Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/arch/mips/mips/cpu_subr.c,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/arch/mips/mips/cpu_subr.c,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.14.8.1
retrieving revision 1.15
diff -u -p -r1.14.8.1 -r1.15
--- src/sys/arch/mips/mips/cpu_subr.c	2012/05/21 15:25:56	1.14.8.1
+++ src/sys/arch/mips/mips/cpu_subr.c	2012/02/19 21:06:16	1.15
@@ -1,4 +1,4 @@
-/*	$NetBSD: cpu_subr.c,v 1.14.8.1 2012/05/21 15:25:56 riz Exp $	*/
+/*	$NetBSD: cpu_subr.c,v 1.15 2012/02/19 21:06:16 rmind Exp $	*/
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -30,11 +30,10 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.14.8.1 2012/05/21 15:25:56 riz Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.15 2012/02/19 21:06:16 rmind Exp $");
 
 #include "opt_ddb.h"
 #include "opt_multiprocessor.h"
-#include "opt_sa.h"
 
 #include <sys/param.h>
 #include <sys/cpu.h>
@@ -47,10 +46,6 @@ __KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v
 #include <sys/bitops.h>
 #include <sys/idle.h>
 #include <sys/xcall.h>
-#ifdef KERN_SA
-#include <sys/sa.h>
-#include <sys/savar.h>
-#endif
 
 #include <uvm/uvm.h>
 
@@ -315,75 +310,6 @@ cpu_startup_common(void)
 	printf("avail memory = %s\n", pbuf);
 }
 
-#ifdef KERN_SA
-/*
- * XXX This is a terrible name.
- */
-void
-upcallret(struct lwp *l)
-{
-	userret(l);
-}
-
-void 
-cpu_upcall(struct lwp *l, int type, int nevents, int ninterrupted,
-    void *sas, void *ap, void *sp, sa_upcall_t upcall)
-{
-	struct trapframe *tf = l->l_md.md_utf;
-	struct saframe frame;
-#ifdef COMPAT_NETBSD32
-	struct saframe32 frame32;
-#endif
-	void *ksf, *usf;
-	size_t sfsz;
-
-#if 0 /* First 4 args in regs (see below). */
-	frame.sa_type = type;
-	frame.sa_sas = sas;
-	frame.sa_events = nevents;
-	frame.sa_interrupted = ninterrupted;
-#endif
-#ifdef COMPAT_NETBSD32
-	switch (l->l_proc->p_md.md_abi) {
-	case _MIPS_BSD_API_O32:
-	case _MIPS_BSD_API_N32:
-		NETBSD32PTR32(frame32.sa_arg, ap);
-		NETBSD32PTR32(frame32.sa_upcall, upcall);
-		ksf = &frame32;
-		usf = (struct saframe32 *)sp - 1;
-		sfsz = sizeof(frame32);
-		break;
-	default:
-#endif
-		frame.sa_arg = ap;
-		frame.sa_upcall = upcall;
-		ksf = &frame;
-		usf = (struct saframe *)sp - 1;
-		sfsz = sizeof(frame);
-#ifdef COMPAT_NETBSD32
-		break;
-	}
-#endif
-
-	if (copyout(ksf, usf, sfsz) != 0) {
-		/* Copying onto the stack didn't work. Die. */
-		mutex_enter(l->l_proc->p_lock);
-		sigexit(l, SIGILL);
-		/* NOTREACHED */
-	}
-
-	tf->tf_regs[_R_PC] = (intptr_t)upcall;
-	tf->tf_regs[_R_SP] = (intptr_t)usf;
-	tf->tf_regs[_R_A0] = type;
-	tf->tf_regs[_R_A1] = (intptr_t)sas;
-	tf->tf_regs[_R_A2] = nevents;
-	tf->tf_regs[_R_A3] = ninterrupted;
-	tf->tf_regs[_R_S8] = 0;
-	tf->tf_regs[_R_RA] = 0;
-	tf->tf_regs[_R_T9] = (intptr_t)upcall;  /* t9=Upcall function*/
-}
-#endif /* KERN_SA */
-
 void
 cpu_getmcontext(struct lwp *l, mcontext_t *mcp, unsigned int *flags)
 {
@@ -437,28 +363,16 @@ cpu_getmcontext(struct lwp *l, mcontext_
 }
 
 int
-cpu_mcontext_validate(struct lwp *l, const mcontext_t *mcp)
-{
-	/* XXX:  Do we validate the addresses?? */
-	return 0;
-}
-
-int
 cpu_setmcontext(struct lwp *l, const mcontext_t *mcp, unsigned int flags)
 {
 	struct trapframe *tf = l->l_md.md_utf;
 	struct proc *p = l->l_proc;
 	const __greg_t *gr = mcp->__gregs;
-	int error;
 
 	/* Restore register context, if any. */
 	if (flags & _UC_CPU) {
-		error = cpu_mcontext_validate(l, mcp);
-		if (error)
-			return error;
-
 		/* Save register context. */
-
+		/* XXX:  Do we validate the addresses?? */
 #ifdef __mips_n32
 		CTASSERT(_R_AST == _REG_AT);
 		if (__predict_false(p->p_md.md_abi == _MIPS_BSD_API_O32)) {