From 23fed0cc9eacca1142c66c34d265d52a0e3dd497 Mon Sep 17 00:00:00 2001
From: Mark Kettenis <kettenis@cvs.openbsd.org>
Date: Tue, 16 May 2017 20:53:43 +0000
Subject: Implement copyin32(9).

ok mpi@, visa@
---
 sys/arch/sparc64/sparc64/locore.s | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'sys/arch/sparc64')

diff --git a/sys/arch/sparc64/sparc64/locore.s b/sys/arch/sparc64/sparc64/locore.s
index c0779d31cf7..4ed2061c2bf 100644
--- a/sys/arch/sparc64/sparc64/locore.s
+++ b/sys/arch/sparc64/sparc64/locore.s
@@ -1,4 +1,4 @@
-/*	$OpenBSD: locore.s,v 1.185 2017/04/30 16:45:45 mpi Exp $	*/
+/*	$OpenBSD: locore.s,v 1.186 2017/05/16 20:53:42 kettenis Exp $	*/
 /*	$NetBSD: locore.s,v 1.137 2001/08/13 06:10:10 jdolecek Exp $	*/
 
 /*
@@ -5968,6 +5968,21 @@ Lcopyout_done:
 	retl			! New instr
 	 clr	%o0			! return 0
 
+ENTRY(copyin32)
+	andcc	%o0, 0x3, %g0
+	bnz,pn	%xcc, Lcopyfault
+	 nop
+	GET_CPCB(%o3)
+	set	Lcopyfault, %o4
+	membar	#Sync
+	stx	%o4, [%o3 + PCB_ONFAULT]
+	lduwa	[%o0] ASI_AIUS, %o2
+	stw	%o2, [%o1]
+	membar	#Sync
+	stx	%g0, [%o3 + PCB_ONFAULT]
+	retl
+	 clr	%o0
+
 ! Copyin or copyout fault.  Clear cpcb->pcb_onfault and return EFAULT.
 ! Note that although we were in bcopy, there is no state to clean up;
 ! the only special thing is that we have to return to [g7 + 8] rather than
-- 
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