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Add PIC32MEC14xx port and demo application.

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Richard Barry 2015-09-12 20:47:59 +00:00
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commit a29dc8d6c6
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FreeRTOS/Demo/PIC32MEC14xx_MPLAB/src/Full_Demo/RegisterTestTasks.S Normal file
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/*
FreeRTOS V8.2.2 - Copyright (C) 2015 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
***************************************************************************
>>! NOTE: The modification to the GPL is included to allow you to !<<
>>! distribute a combined work that includes FreeRTOS without being !<<
>>! obliged to provide the source code for proprietary components !<<
>>! outside of the FreeRTOS kernel. !<<
***************************************************************************
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. Full license text is available on the following
link: http://www.freertos.org/a00114.html
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that is more than just the market leader, it *
* is the industry's de facto standard. *
* *
* Help yourself get started quickly while simultaneously helping *
* to support the FreeRTOS project by purchasing a FreeRTOS *
* tutorial book, reference manual, or both: *
* http://www.FreeRTOS.org/Documentation *
* *
***************************************************************************
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
the FAQ page "My application does not run, what could be wrong?". Have you
defined configASSERT()?
http://www.FreeRTOS.org/support - In return for receiving this top quality
embedded software for free we request you assist our global community by
participating in the support forum.
http://www.FreeRTOS.org/training - Investing in training allows your team to
be as productive as possible as early as possible. Now you can receive
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
Ltd, and the world's leading authority on the world's leading RTOS.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and commercial middleware.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
#include <xc.h>
#include <sys/asm.h>
.global vRegTest1
.global vRegTest2
/* Reg test macro helper. Test a register for a known value branching to
error_loop if not correct otherwise continuing on */
.macro portREG_TEST work_reg, test_reg, test_value
.set micromips
.set noreorder
.set noat
/* Check each register maintains the value assigned to it for the lifetime
of the task. */
addiu \work_reg, $0, 0x00
addiu \work_reg, \test_reg, -\test_value
beq \work_reg, $0, 1f
nop
/* The register value was not that expected. Jump to the error loop so the
cycle counter stops incrementing. */
b error_loop
nop
1:
.endm
.set micromips
.set noreorder
.set noat
.ent error_loop
/* Reg test tasks call the error loop when they find an error. Sitting in the
tight error loop prevents them incrementing their ulRegTestnCycles counter, and
so allows the check softwate timer to know an error has been found. */
error_loop:
b error_loop
nop
.end error_loop
.set micromips
.set noreorder
.set noat
.ent vRegTest1
vRegTest1:
/* Fill the registers with known values. */
addiu $1, $0, 0x11
addiu $2, $0, 0x12
addiu $3, $0, 0x13
/* $4 contains the address of the loop counter - don't mess with $4. */
addiu $5, $0, 0x15
addiu $6, $0, 0x16
addiu $7, $0, 0x17
addiu $8, $0, 0x18
addiu $9, $0, 0x19
addiu $10, $0, 0x110
addiu $11, $0, 0x111
addiu $12, $0, 0x112
addiu $13, $0, 0x113
addiu $14, $0, 0x114
addiu $15, $0, 0x115
addiu $16, $0, 0x116
addiu $17, $0, 0x117
addiu $18, $0, 0x118
addiu $19, $0, 0x119
addiu $20, $0, 0x120
addiu $21, $0, 0x121
addiu $23, $0, 0x123
addiu $24, $0, 0x124
addiu $25, $0, 0x125
addiu $30, $0, 0x130
addiu $22, $0, 0x131
vRegTest1Loop:
portREG_TEST $22, $1, 0x11
portREG_TEST $22, $2, 0x12
portREG_TEST $22, $3, 0x13
portREG_TEST $22, $5, 0x15
portREG_TEST $22, $6, 0x16
portREG_TEST $22, $7, 0x17
portREG_TEST $22, $8, 0x18
portREG_TEST $22, $9, 0x19
portREG_TEST $22, $10, 0x110
portREG_TEST $22, $11, 0x111
portREG_TEST $22, $12, 0x112
portREG_TEST $22, $13, 0x113
portREG_TEST $22, $14, 0x114
portREG_TEST $22, $15, 0x115
portREG_TEST $22, $16, 0x116
portREG_TEST $22, $17, 0x117
portREG_TEST $22, $18, 0x118
portREG_TEST $22, $19, 0x119
portREG_TEST $22, $20, 0x120
portREG_TEST $22, $21, 0x121
portREG_TEST $22, $23, 0x123
portREG_TEST $22, $24, 0x124
portREG_TEST $22, $25, 0x125
portREG_TEST $22, $30, 0x130
/* No errors detected. Increment the loop count so the check timer knows
this task is still running without error, then loop back to do it all
again. The address of the loop counter is in $4. */
lw $22, 0( $4 )
addiu $22, $22, 0x01
sw $22, 0( $4 )
b vRegTest1Loop
nop
.end vRegTest1
.set micromips
.set noreorder
.set noat
.ent vRegTest2
vRegTest2:
addiu $1, $0, 0x21
addiu $2, $0, 0x22
addiu $3, $0, 0x23
/* $4 contains the address of the loop counter - don't mess with $4. */
addiu $5, $0, 0x25
addiu $6, $0, 0x26
addiu $7, $0, 0x27
addiu $8, $0, 0x28
addiu $9, $0, 0x29
addiu $10, $0, 0x210
addiu $11, $0, 0x211
addiu $12, $0, 0x212
addiu $13, $0, 0x213
addiu $14, $0, 0x214
addiu $15, $0, 0x215
addiu $16, $0, 0x216
addiu $17, $0, 0x217
addiu $18, $0, 0x218
addiu $19, $0, 0x219
addiu $20, $0, 0x220
addiu $21, $0, 0x221
addiu $23, $0, 0x223
addiu $24, $0, 0x224
addiu $25, $0, 0x225
addiu $30, $0, 0x230
addiu $22, $0, 0x231
vRegTest2Loop:
portREG_TEST $22, $1, 0x21
portREG_TEST $22, $2, 0x22
portREG_TEST $22, $3, 0x23
portREG_TEST $22, $5, 0x25
portREG_TEST $22, $6, 0x26
portREG_TEST $22, $7, 0x27
portREG_TEST $22, $8, 0x28
portREG_TEST $22, $9, 0x29
portREG_TEST $22, $10, 0x210
portREG_TEST $22, $11, 0x211
portREG_TEST $22, $12, 0x212
portREG_TEST $22, $13, 0x213
portREG_TEST $22, $14, 0x214
portREG_TEST $22, $15, 0x215
portREG_TEST $22, $16, 0x216
portREG_TEST $22, $17, 0x217
portREG_TEST $22, $18, 0x218
portREG_TEST $22, $19, 0x219
portREG_TEST $22, $20, 0x220
portREG_TEST $22, $21, 0x221
portREG_TEST $22, $23, 0x223
portREG_TEST $22, $24, 0x224
portREG_TEST $22, $25, 0x225
portREG_TEST $22, $30, 0x230
/* No errors detected. Increment the loop count so the check timer knows
this task is still running without error, then loop back to do it all
again. The address of the loop counter is in $4. */
lw $22, 0( $4 )
addiu $22, $22, 0x01
sw $22, 0( $4 )
b vRegTest2Loop
nop
.end vRegTest2