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Normalize line endings and whitespace in source files
This commit is contained in:
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151fb04ad1
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01820d3ed9
574 changed files with 162626 additions and 172362 deletions
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@ -1,340 +1,340 @@
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
|
||||
* SPDX-License-Identifier: MIT AND BSD-3-Clause
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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||||
*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/*This file is prepared for Doxygen automatic documentation generation.*/
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/*! \file *********************************************************************
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*
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* \brief Exception and interrupt vectors.
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*
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* This file maps all events supported by an AVR32UC.
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*
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* - Compiler: IAR EWAVR32
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* - Supported devices: All AVR32UC devices with an INTC module can be used.
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* - AppNote:
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*
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||||
* \author Atmel Corporation (Now Microchip):
|
||||
https://www.microchip.com \n
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* Support and FAQ: https://www.microchip.com/support
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||||
*
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******************************************************************************/
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||||
|
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/*
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||||
* Copyright (c) 2007, Atmel Corporation All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. The name of ATMEL may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
|
||||
* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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||||
*/
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#include <avr32/io.h>
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#include "intc.h"
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//! @{
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//! \verbatim
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// Start of Exception Vector Table.
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// EVBA must be aligned with a power of two strictly greater than the EVBA-
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// relative offset of the last vector.
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COMMON EVTAB:CODE:ROOT(9)
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// Force EVBA initialization.
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EXTERN ??init_EVBA
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REQUIRE ??init_EVBA
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// Export symbol.
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PUBLIC ??EVBA
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PUBLIC _evba
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??EVBA:
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_evba:
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ORG 0x000
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// Unrecoverable Exception.
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_handle_Unrecoverable_Exception:
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rjmp $
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ORG 0x004
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// TLB Multiple Hit: UNUSED IN AVR32UC.
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_handle_TLB_Multiple_Hit:
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rjmp $
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ORG 0x008
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// Bus Error Data Fetch.
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_handle_Bus_Error_Data_Fetch:
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rjmp $
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ORG 0x00C
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// Bus Error Instruction Fetch.
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_handle_Bus_Error_Instruction_Fetch:
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rjmp $
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ORG 0x010
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// NMI.
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_handle_NMI:
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rjmp $
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ORG 0x014
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// Instruction Address.
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_handle_Instruction_Address:
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rjmp $
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ORG 0x018
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// ITLB Protection.
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_handle_ITLB_Protection:
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rjmp $
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ORG 0x01C
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// Breakpoint.
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_handle_Breakpoint:
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rjmp $
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ORG 0x020
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// Illegal Opcode.
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_handle_Illegal_Opcode:
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rjmp $
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ORG 0x024
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// Unimplemented Instruction.
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_handle_Unimplemented_Instruction:
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rjmp $
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ORG 0x028
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// Privilege Violation.
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_handle_Privilege_Violation:
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rjmp $
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ORG 0x02C
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// Floating-Point: UNUSED IN AVR32UC.
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_handle_Floating_Point:
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rjmp $
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ORG 0x030
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// Coprocessor Absent: UNUSED IN AVR32UC.
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_handle_Coprocessor_Absent:
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rjmp $
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ORG 0x034
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// Data Address (Read).
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_handle_Data_Address_Read:
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rjmp $
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ORG 0x038
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// Data Address (Write).
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_handle_Data_Address_Write:
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rjmp $
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ORG 0x03C
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// DTLB Protection (Read).
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_handle_DTLB_Protection_Read:
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rjmp $
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ORG 0x040
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// DTLB Protection (Write).
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_handle_DTLB_Protection_Write:
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rjmp $
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ORG 0x044
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// DTLB Modified: UNUSED IN AVR32UC.
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_handle_DTLB_Modified:
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rjmp $
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ORG 0x050
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// ITLB Miss: UNUSED IN AVR32UC.
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_handle_ITLB_Miss:
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rjmp $
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ORG 0x060
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// DTLB Miss (Read): UNUSED IN AVR32UC.
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_handle_DTLB_Miss_Read:
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rjmp $
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ORG 0x070
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// DTLB Miss (Write): UNUSED IN AVR32UC.
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_handle_DTLB_Miss_Write:
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rjmp $
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ORG 0x100
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// Supervisor Call.
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_handle_Supervisor_Call:
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lddpc pc, __SCALLYield
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// Interrupt support.
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// The interrupt controller must provide the offset address relative to EVBA.
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// Important note:
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// All interrupts call a C function named _get_interrupt_handler.
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// This function will read group and interrupt line number to then return in
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// R12 a pointer to a user-provided interrupt handler.
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ALIGN 2
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_int0:
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// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
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// CPU upon interrupt entry.
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#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
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mfsr r12, AVR32_SR
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bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
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cp.w r12, 110b
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brlo _int0_normal
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lddsp r12, sp[0 * 4]
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stdsp sp[6 * 4], r12
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lddsp r12, sp[1 * 4]
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stdsp sp[7 * 4], r12
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lddsp r12, sp[3 * 4]
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sub sp, -6 * 4
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rete
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_int0_normal:
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#endif
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mov r12, 0 // Pass the int_lev parameter to the _get_interrupt_handler function.
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mcall __get_interrupt_handler
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cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
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movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
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rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
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_int1:
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// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
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// CPU upon interrupt entry.
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#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
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mfsr r12, AVR32_SR
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bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
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cp.w r12, 110b
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brlo _int1_normal
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lddsp r12, sp[0 * 4]
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stdsp sp[6 * 4], r12
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lddsp r12, sp[1 * 4]
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stdsp sp[7 * 4], r12
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lddsp r12, sp[3 * 4]
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sub sp, -6 * 4
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rete
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_int1_normal:
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#endif
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mov r12, 1 // Pass the int_lev parameter to the _get_interrupt_handler function.
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mcall __get_interrupt_handler
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cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
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movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
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rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
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_int2:
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// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
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// CPU upon interrupt entry.
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#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
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mfsr r12, AVR32_SR
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bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
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cp.w r12, 110b
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brlo _int2_normal
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lddsp r12, sp[0 * 4]
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stdsp sp[6 * 4], r12
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lddsp r12, sp[1 * 4]
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stdsp sp[7 * 4], r12
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lddsp r12, sp[3 * 4]
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sub sp, -6 * 4
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rete
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_int2_normal:
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#endif
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mov r12, 2 // Pass the int_lev parameter to the _get_interrupt_handler function.
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mcall __get_interrupt_handler
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cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
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movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
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rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
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_int3:
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// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
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// CPU upon interrupt entry.
|
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#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
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mfsr r12, AVR32_SR
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bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
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cp.w r12, 110b
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brlo _int3_normal
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lddsp r12, sp[0 * 4]
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stdsp sp[6 * 4], r12
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lddsp r12, sp[1 * 4]
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stdsp sp[7 * 4], r12
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lddsp r12, sp[3 * 4]
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sub sp, -6 * 4
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rete
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_int3_normal:
|
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#endif
|
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mov r12, 3 // Pass the int_lev parameter to the _get_interrupt_handler function.
|
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mcall __get_interrupt_handler
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cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
|
||||
movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
|
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rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
|
||||
|
||||
|
||||
// Constant data area.
|
||||
|
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ALIGN 2
|
||||
|
||||
// Import symbols.
|
||||
EXTERN SCALLYield
|
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EXTERN _get_interrupt_handler
|
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__SCALLYield:
|
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DC32 SCALLYield
|
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__get_interrupt_handler:
|
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DC32 _get_interrupt_handler
|
||||
|
||||
// Values to store in the interrupt priority registers for the various interrupt priority levels.
|
||||
// The interrupt priority registers contain the interrupt priority level and
|
||||
// the EVBA-relative interrupt vector offset.
|
||||
PUBLIC ipr_val
|
||||
ipr_val:
|
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DC32 (INT0 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int0 - _evba),\
|
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(INT1 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int1 - _evba),\
|
||||
(INT2 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int2 - _evba),\
|
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(INT3 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int3 - _evba)
|
||||
|
||||
|
||||
END
|
||||
|
||||
|
||||
//! \endverbatim
|
||||
//! @}
|
||||
/*
|
||||
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
|
||||
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* SPDX-License-Identifier: MIT AND BSD-3-Clause
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* https://www.FreeRTOS.org
|
||||
* https://github.com/FreeRTOS
|
||||
*
|
||||
*/
|
||||
|
||||
/*This file is prepared for Doxygen automatic documentation generation.*/
|
||||
/*! \file *********************************************************************
|
||||
*
|
||||
* \brief Exception and interrupt vectors.
|
||||
*
|
||||
* This file maps all events supported by an AVR32UC.
|
||||
*
|
||||
* - Compiler: IAR EWAVR32
|
||||
* - Supported devices: All AVR32UC devices with an INTC module can be used.
|
||||
* - AppNote:
|
||||
*
|
||||
* \author Atmel Corporation (Now Microchip):
|
||||
https://www.microchip.com \n
|
||||
* Support and FAQ: https://www.microchip.com/support
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2007, Atmel Corporation All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. The name of ATMEL may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
|
||||
* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
|
||||
#include <avr32/io.h>
|
||||
#include "intc.h"
|
||||
|
||||
|
||||
//! @{
|
||||
//! \verbatim
|
||||
|
||||
|
||||
// Start of Exception Vector Table.
|
||||
|
||||
// EVBA must be aligned with a power of two strictly greater than the EVBA-
|
||||
// relative offset of the last vector.
|
||||
COMMON EVTAB:CODE:ROOT(9)
|
||||
|
||||
|
||||
// Force EVBA initialization.
|
||||
EXTERN ??init_EVBA
|
||||
REQUIRE ??init_EVBA
|
||||
|
||||
// Export symbol.
|
||||
PUBLIC ??EVBA
|
||||
PUBLIC _evba
|
||||
??EVBA:
|
||||
_evba:
|
||||
|
||||
ORG 0x000
|
||||
// Unrecoverable Exception.
|
||||
_handle_Unrecoverable_Exception:
|
||||
rjmp $
|
||||
|
||||
ORG 0x004
|
||||
// TLB Multiple Hit: UNUSED IN AVR32UC.
|
||||
_handle_TLB_Multiple_Hit:
|
||||
rjmp $
|
||||
|
||||
ORG 0x008
|
||||
// Bus Error Data Fetch.
|
||||
_handle_Bus_Error_Data_Fetch:
|
||||
rjmp $
|
||||
|
||||
ORG 0x00C
|
||||
// Bus Error Instruction Fetch.
|
||||
_handle_Bus_Error_Instruction_Fetch:
|
||||
rjmp $
|
||||
|
||||
ORG 0x010
|
||||
// NMI.
|
||||
_handle_NMI:
|
||||
rjmp $
|
||||
|
||||
ORG 0x014
|
||||
// Instruction Address.
|
||||
_handle_Instruction_Address:
|
||||
rjmp $
|
||||
|
||||
ORG 0x018
|
||||
// ITLB Protection.
|
||||
_handle_ITLB_Protection:
|
||||
rjmp $
|
||||
|
||||
ORG 0x01C
|
||||
// Breakpoint.
|
||||
_handle_Breakpoint:
|
||||
rjmp $
|
||||
|
||||
ORG 0x020
|
||||
// Illegal Opcode.
|
||||
_handle_Illegal_Opcode:
|
||||
rjmp $
|
||||
|
||||
ORG 0x024
|
||||
// Unimplemented Instruction.
|
||||
_handle_Unimplemented_Instruction:
|
||||
rjmp $
|
||||
|
||||
ORG 0x028
|
||||
// Privilege Violation.
|
||||
_handle_Privilege_Violation:
|
||||
rjmp $
|
||||
|
||||
ORG 0x02C
|
||||
// Floating-Point: UNUSED IN AVR32UC.
|
||||
_handle_Floating_Point:
|
||||
rjmp $
|
||||
|
||||
ORG 0x030
|
||||
// Coprocessor Absent: UNUSED IN AVR32UC.
|
||||
_handle_Coprocessor_Absent:
|
||||
rjmp $
|
||||
|
||||
ORG 0x034
|
||||
// Data Address (Read).
|
||||
_handle_Data_Address_Read:
|
||||
rjmp $
|
||||
|
||||
ORG 0x038
|
||||
// Data Address (Write).
|
||||
_handle_Data_Address_Write:
|
||||
rjmp $
|
||||
|
||||
ORG 0x03C
|
||||
// DTLB Protection (Read).
|
||||
_handle_DTLB_Protection_Read:
|
||||
rjmp $
|
||||
|
||||
ORG 0x040
|
||||
// DTLB Protection (Write).
|
||||
_handle_DTLB_Protection_Write:
|
||||
rjmp $
|
||||
|
||||
ORG 0x044
|
||||
// DTLB Modified: UNUSED IN AVR32UC.
|
||||
_handle_DTLB_Modified:
|
||||
rjmp $
|
||||
|
||||
ORG 0x050
|
||||
// ITLB Miss: UNUSED IN AVR32UC.
|
||||
_handle_ITLB_Miss:
|
||||
rjmp $
|
||||
|
||||
ORG 0x060
|
||||
// DTLB Miss (Read): UNUSED IN AVR32UC.
|
||||
_handle_DTLB_Miss_Read:
|
||||
rjmp $
|
||||
|
||||
ORG 0x070
|
||||
// DTLB Miss (Write): UNUSED IN AVR32UC.
|
||||
_handle_DTLB_Miss_Write:
|
||||
rjmp $
|
||||
|
||||
ORG 0x100
|
||||
// Supervisor Call.
|
||||
_handle_Supervisor_Call:
|
||||
lddpc pc, __SCALLYield
|
||||
|
||||
|
||||
// Interrupt support.
|
||||
// The interrupt controller must provide the offset address relative to EVBA.
|
||||
// Important note:
|
||||
// All interrupts call a C function named _get_interrupt_handler.
|
||||
// This function will read group and interrupt line number to then return in
|
||||
// R12 a pointer to a user-provided interrupt handler.
|
||||
|
||||
ALIGN 2
|
||||
|
||||
_int0:
|
||||
// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
|
||||
// CPU upon interrupt entry.
|
||||
#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
|
||||
mfsr r12, AVR32_SR
|
||||
bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
|
||||
cp.w r12, 110b
|
||||
brlo _int0_normal
|
||||
lddsp r12, sp[0 * 4]
|
||||
stdsp sp[6 * 4], r12
|
||||
lddsp r12, sp[1 * 4]
|
||||
stdsp sp[7 * 4], r12
|
||||
lddsp r12, sp[3 * 4]
|
||||
sub sp, -6 * 4
|
||||
rete
|
||||
_int0_normal:
|
||||
#endif
|
||||
mov r12, 0 // Pass the int_lev parameter to the _get_interrupt_handler function.
|
||||
mcall __get_interrupt_handler
|
||||
cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
|
||||
movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
|
||||
rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
|
||||
|
||||
_int1:
|
||||
// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
|
||||
// CPU upon interrupt entry.
|
||||
#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
|
||||
mfsr r12, AVR32_SR
|
||||
bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
|
||||
cp.w r12, 110b
|
||||
brlo _int1_normal
|
||||
lddsp r12, sp[0 * 4]
|
||||
stdsp sp[6 * 4], r12
|
||||
lddsp r12, sp[1 * 4]
|
||||
stdsp sp[7 * 4], r12
|
||||
lddsp r12, sp[3 * 4]
|
||||
sub sp, -6 * 4
|
||||
rete
|
||||
_int1_normal:
|
||||
#endif
|
||||
mov r12, 1 // Pass the int_lev parameter to the _get_interrupt_handler function.
|
||||
mcall __get_interrupt_handler
|
||||
cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
|
||||
movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
|
||||
rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
|
||||
|
||||
_int2:
|
||||
// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
|
||||
// CPU upon interrupt entry.
|
||||
#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
|
||||
mfsr r12, AVR32_SR
|
||||
bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
|
||||
cp.w r12, 110b
|
||||
brlo _int2_normal
|
||||
lddsp r12, sp[0 * 4]
|
||||
stdsp sp[6 * 4], r12
|
||||
lddsp r12, sp[1 * 4]
|
||||
stdsp sp[7 * 4], r12
|
||||
lddsp r12, sp[3 * 4]
|
||||
sub sp, -6 * 4
|
||||
rete
|
||||
_int2_normal:
|
||||
#endif
|
||||
mov r12, 2 // Pass the int_lev parameter to the _get_interrupt_handler function.
|
||||
mcall __get_interrupt_handler
|
||||
cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
|
||||
movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
|
||||
rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
|
||||
|
||||
_int3:
|
||||
// R8-R12, LR, PC and SR are automatically pushed onto the system stack by the
|
||||
// CPU upon interrupt entry.
|
||||
#if 1 // B1832: interrupt stack changed to exception stack if exception is detected.
|
||||
mfsr r12, AVR32_SR
|
||||
bfextu r12, r12, AVR32_SR_M0_OFFSET, AVR32_SR_M0_SIZE + AVR32_SR_M1_SIZE + AVR32_SR_M2_SIZE
|
||||
cp.w r12, 110b
|
||||
brlo _int3_normal
|
||||
lddsp r12, sp[0 * 4]
|
||||
stdsp sp[6 * 4], r12
|
||||
lddsp r12, sp[1 * 4]
|
||||
stdsp sp[7 * 4], r12
|
||||
lddsp r12, sp[3 * 4]
|
||||
sub sp, -6 * 4
|
||||
rete
|
||||
_int3_normal:
|
||||
#endif
|
||||
mov r12, 3 // Pass the int_lev parameter to the _get_interrupt_handler function.
|
||||
mcall __get_interrupt_handler
|
||||
cp.w r12, 0 // Get the pointer to the interrupt handler returned by the function.
|
||||
movne pc, r12 // If this was not a spurious interrupt (R12 != NULL), jump to the handler.
|
||||
rete // If this was a spurious interrupt (R12 == NULL), return from event handler.
|
||||
|
||||
|
||||
// Constant data area.
|
||||
|
||||
ALIGN 2
|
||||
|
||||
// Import symbols.
|
||||
EXTERN SCALLYield
|
||||
EXTERN _get_interrupt_handler
|
||||
__SCALLYield:
|
||||
DC32 SCALLYield
|
||||
__get_interrupt_handler:
|
||||
DC32 _get_interrupt_handler
|
||||
|
||||
// Values to store in the interrupt priority registers for the various interrupt priority levels.
|
||||
// The interrupt priority registers contain the interrupt priority level and
|
||||
// the EVBA-relative interrupt vector offset.
|
||||
PUBLIC ipr_val
|
||||
ipr_val:
|
||||
DC32 (INT0 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int0 - _evba),\
|
||||
(INT1 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int1 - _evba),\
|
||||
(INT2 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int2 - _evba),\
|
||||
(INT3 << AVR32_INTC_IPR0_INTLEV_OFFSET) | (_int3 - _evba)
|
||||
|
||||
|
||||
END
|
||||
|
||||
|
||||
//! \endverbatim
|
||||
//! @}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue