--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/misc/t_cp0.cia Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,79 @@
+// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32test\misc\t_cp0.cia
+//
+//
+
+#include <e32test.h>
+#include <cpudefs.h>
+#include "nk_cpu.h"
+
+__NAKED__ TUint32 BCUCTL()
+ {
+ asm("mrc p13, 0, r0, c0, c1, 0 ");
+ __JUMP(,lr);
+ }
+
+__NAKED__ void GetAcc0(TInt64&)
+ {
+ MRA(0,1,2);
+ asm("stmia r0, {r1,r2} ");
+ __JUMP(,lr);
+ }
+
+__NAKED__ void SetAcc0(const TInt64&)
+ {
+ asm("ldmia r0, {r1,r2} ");
+ MAR(0,1,2);
+ __JUMP(,lr);
+ }
+
+__NAKED__ void InnerProduct(TInt64& /*aResult*/, const TInt16* /*aVec1*/, const TInt16* /*aVec2*/, TInt /*aLength*/)
+//
+// Calculate the inner product of vectors using the DSP coprocessor
+//
+ {
+ asm("str lr, [sp, #-4]! ");
+ asm("mov r12, #0 ");
+ asm("mov r14, #0 ");
+ MAR(0,12,14);
+ asm("1: ");
+ asm("ldrh r12, [r1], #2 ");
+ asm("ldrh r14, [r2], #2 ");
+ MIABB(0,12,14);
+ asm("subs r3, r3, #1 ");
+ asm("bne 1b ");
+ MRA(0,12,14);
+ asm("stmia r0, {r12,r14} ");
+ asm("ldr pc, [sp], #4 ");
+ }
+
+__NAKED__ void InnerProduct2(TInt64& /*aResult*/, const TInt16* /*aVec1*/, const TInt16* /*aVec2*/, TInt /*aLength*/)
+//
+// Calculate the inner product of vectors using the normal multiply instructions
+//
+ {
+ asm("stmfd sp!, {r4-r5,lr} ");
+ asm("mov r4, #0 ");
+ asm("mov r5, #0 ");
+ asm("1: ");
+ asm("ldrsh r12, [r1], #2 ");
+ asm("ldrsh r14, [r2], #2 ");
+ asm("smlal r4, r5, r12, r14 ");
+ asm("subs r3, r3, #1 ");
+ asm("bne 1b ");
+ asm("stmia r0, {r4,r5} ");
+ asm("ldmfd sp!, {r4-r5,pc} ");
+ }
+