diff -r 000000000000 -r 96e5fb8b040d kerneltest/e32test/misc/t_cp0.cia --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kerneltest/e32test/misc/t_cp0.cia Thu Dec 17 09:24:54 2009 +0200 @@ -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 +#include +#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} "); + } +