diff -r 000000000000 -r a41df078684a kerneltest/e32test/realtime/d_latncy.cia --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kerneltest/e32test/realtime/d_latncy.cia Mon Oct 19 15:55:17 2009 +0100 @@ -0,0 +1,115 @@ +// Copyright (c) 1999-2009 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\realtime\d_latncy.cia +// +// + +#include + +#if defined(__MEIG__) +#include +#elif defined(__MAWD__) +#include +#elif defined(__MISA__) +#include +#elif defined(__MCOT__) +#include +#elif defined(__MI920__) || defined(__NI1136__) +#include +#elif defined(__RVEMUBOARD__) +#include +#endif + +#include //temporary +#include "d_latncy.h" + +#if !defined(__SMP__) +#if !defined(__EPOC32__) || !defined(__CPU_X86) +__NAKED__ TUint IntStackPtr() + { + asm("mrs r1, cpsr "); + asm("bic r3, r1, #0x1f "); +#ifdef __MISA__ + asm("orr r3, r3, #0xd1 "); // mode_fiq, all interrupts off +#else + asm("orr r3, r3, #0xd2 "); // mode_irq, all interrupts off +#endif + asm("msr cpsr, r3 "); + asm("mov r0, sp "); // r0=sp_irq or sp_fiq + asm("msr cpsr, r1 "); // restore interrupts + __JUMP(,lr); + } +#endif + +#ifdef __CAPTURE_EXTRAS +#include + +__NAKED__ void CaptureExtras(SLatencyResults&) + { + asm("mrs r1, spsr "); // r1=interrupted mode + asm("mrs r2, cpsr "); // r2=current PSR + asm("tst r1, #0x0f "); // check if we interrupted user mode + asm("orr ip, r1, #%a0" : : "i" ((TInt)KAllInterruptsMask)); // ip=interrupted mode with interrupts off + asm("orreq ip, ip, #0x1f "); // if we interrupted user mode, go to system mode instead + asm("bic ip, ip, #0x20 "); // make sure we don't go into THUMB mode + asm("msr cpsr, ip "); // switch to interrupted mode with ints off + asm("mov r3, lr "); // r3=interrupted mode R14 + asm("msr cpsr, r2 "); // back to interrupt mode + asm("str r1, [r0, #%a0]" : : "i" _FOFF(SLatencyResults,iIntSpsr)); + asm("str r3, [r0, #%a0]" : : "i" _FOFF(SLatencyResults,iIntR14)); + __JUMP(,lr); + } +#endif +#endif // __SMP__ + +#if defined (__MISA__) || defined (__MCOT__) +__NAKED__ void DLatency::MsCallBack(TAny* aPtr) + { + asm("ldr ip, __KHwBaseOst"); + asm("ldr r3, [r0, #%a0]" : : "i" _FOFF(DLatency,iTickIncrement)); + asm("ldr r1, [ip, #0x10] "); // r1=OSCR + asm("ldr r2, [ip, #0x00] "); // r2=OSMR0 + asm("sub r1, r1, r2 "); // r1=int latency in ticks + asm("str r1, [r0, #%a0]" : : "i" _FOFF(DLatency,iResults.iIntTicks)); + asm("str r2, [r0, #%a0]" : : "i" _FOFF(DLatency,iTriggerTime)); + asm("add r2, r2, r3 "); // add increment to OSMR0 + asm("ldr r1, [r0, #%a0]" : : "i" _FOFF(DLatency,iIntStackTop)); + asm("ldrb r3, [r0, #%a0]" : : "i" _FOFF(DLatency,iOff)); + asm("str r2, [ip, #0x00] "); + asm("ldr r1, [r1, #-4] "); // r1=interrupt return address + asm("mov r2, #1 "); + asm("cmp r3, #0 "); + asm("str r1, [r0, #%a0]" : : "i" _FOFF(DLatency,iResults.iIntRetAddr)); + asm("str r2, [ip, #0x14] "); // clear interrupt + asm("add r0, r0, #%a0" : : "i" _FOFF(DLatency,iMsDfc)); + asm("beq Add__4TDfc "); + __JUMP(,lr); + + asm("__KHwBaseOst: "); //OS timer register locations +#ifdef __MISA__ + #ifdef __MEMMODEL_DIRECT__ + asm(".word 0x90000000"); //Assabet direct MM + #else + asm(".word 0x63008000"); //Assabet non-direct MM + #endif +#else + #ifdef __MEMMODEL_DIRECT__ + asm(".word 0x40A00000"); //Lubbock direct MM + #else + asm(".word 0x6300A000"); //Lubbock non-direct MM + #endif +#endif + } +#endif +