We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass
of the rom input files can be informed what toolchain we are building with and conditionally
include or exclude files depending on whether the toolchain could build them.
// 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:
// template\template_assp\interrupts.cia
// Template ASSP interrupt control and dispatch
//
//
#include <template_assp_priv.h>
__NAKED__ void TemplateInterrupt::IrqDispatch()
{
// IRQ dispatcher
// Enter with r0-r3, r12 and return address on IRQ stack
// Must preserve r4-r11
// for the moment, use bit number as priority
asm("stmfd sp!, {r4-r6,lr} ");
asm("ldr r4, __KTemplateIntCtrlBase ");
asm("ldr r5, __Handlers ");
asm("dispatch_irq: ");
asm("ldr r12, [r4, #%a0]" : : "i" ((TInt)KHoInterruptsIrqPending)); // r12=IRQ pending register
asm("cmp r12, #0 ");
asm("ldmeqfd sp!, {r4-r6,pc} "); // no more pending, so finish
asm("mov r3, #31 ");
asm("cmp r12, #0x00010000 ");
asm("movcc r12, r12, lsl #16 ");
asm("subcc r3, r3, #16 ");
asm("cmp r12, #0x01000000 ");
asm("movcc r12, r12, lsl #8 ");
asm("subcc r3, r3, #8 ");
asm("cmp r12, #0x10000000 ");
asm("movcc r12, r12, lsl #4 ");
asm("subcc r3, r3, #4 ");
asm("cmp r12, #0x40000000 ");
asm("movcc r12, r12, lsl #2 ");
asm("subcc r3, r3, #2 ");
asm("cmp r12, #0x80000000 ");
asm("subcc r3, r3, #1 "); // r3=bit no. of MS 1
asm("add r0, r5, r3, lsl #3 "); // r0=address of SInterruptHandler
asm("adr lr, dispatch_irq "); // return to dispatch_irq
asm("ldmia r0, {r0,pc} "); // (*iIsr)(iPtr);
}
__NAKED__ void TemplateInterrupt::FiqDispatch()
{
// FIQ dispatcher
// Enter with return address on FIQ stack
// We may use r8-r12, but must preserve other registers
// for the moment, use bit number as priority
// NOTE: STACK MISALIGNED ON ENTRY (1 WORD PUSHED)
asm("stmfd sp!, {r0-r3,lr} ");
asm("ldr r8, __KTemplateIntCtrlBase ");
asm("ldr r9, __Handlers ");
asm("dispatch_fiq: ");
asm("ldr r12, [r4, #%a0]" : : "i" ((TInt)KHoInterruptsFiqPending)); // r12=FIQ pending register
asm("cmp r12, #0 ");
asm("ldmeqfd sp!, {r0-r3,pc} "); // no more pending, so finish
asm("mov r3, #31 ");
asm("cmp r12, #0x00010000 ");
asm("movcc r12, r12, lsl #16 ");
asm("subcc r3, r3, #16 ");
asm("cmp r12, #0x01000000 ");
asm("movcc r12, r12, lsl #8 ");
asm("subcc r3, r3, #8 ");
asm("cmp r12, #0x10000000 ");
asm("movcc r12, r12, lsl #4 ");
asm("subcc r3, r3, #4 ");
asm("cmp r12, #0x40000000 ");
asm("movcc r12, r12, lsl #2 ");
asm("subcc r3, r3, #2 ");
asm("cmp r12, #0x80000000 ");
asm("subcc r3, r3, #1 "); // r3=bit no. of MS 1
asm("add r0, r9, r3, lsl #3 "); // r0=address of SInterruptHandler
asm("adr lr, dispatch_fiq "); // return to dispatch_fiq
asm("ldmia r0, {r0,pc} "); // (*iIsr)(iPtr);
asm("__KTemplateIntCtrlBase: ");
asm(".word %a0" : : "i" ((TInt)KHwBaseInterrupts));
asm("__Handlers: ");
asm(".word %a0" : : "i" (&TemplateInterrupt::Handlers[0]));
}