/*
* FreeRTOS V202012.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* 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.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo file headers. */
#include "regtest.h"
/* Test tasks that sets registers to known values, then checks to ensure the
values remain as expected. Test 1 and test 2 use different values. */
static void prvRegisterCheck1( void *pvParameters );
static void prvRegisterCheck2( void *pvParameters );
/* Set to a non zero value should an error be found. */
portBASE_TYPE xRegTestError;
/*-----------------------------------------------------------*/
void vStartRegTestTasks( void )
{
xRegTestError = pdFALSE;
xTaskCreate( prvRegisterCheck1, "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
xTaskCreate( prvRegisterCheck2, "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
}
/*-----------------------------------------------------------*/
portBASE_TYPE xAreRegTestTasksStillRunning( void )
{
portBASE_TYPE xReturn;
/* If a register was found to contain an unexpected value then the
xRegTestError variable would have been set to a non zero value. */
if( xRegTestError == pdFALSE )
{
xReturn = pdTRUE;
}
else
{
xReturn = pdFALSE;
}
return xReturn;
}
/*-----------------------------------------------------------*/
static void prvRegisterCheck1( void *pvParameters )
{
( void ) pvParameters;
for( ;; )
{
asm( "LDI r31, 5" );
asm( "MOV r0, r31" );
asm( "LDI r31, 6" );
asm( "MOV r1, r31" );
asm( "LDI r31, 7" );
asm( "MOV r2, r31" );
asm( "LDI r31, 8" );
asm( "MOV r3, r31" );
asm( "LDI r31, 9" );
asm( "MOV r4, r31" );
asm( "LDI r31, 10" );
asm( "MOV r5, r31" );
asm( "LDI r31, 11" );
asm( "MOV r6, r31" );
asm( "LDI r31, 12" );
asm( "MOV r7, r31" );
asm( "LDI r31, 13" );
asm( "MOV r8, r31" );
asm( "LDI r31, 14" );
asm( "MOV r9, r31" );
asm( "LDI r31, 15" );
asm( "MOV r10, r31" );
asm( "LDI r31, 16" );
asm( "MOV r11, r31" );
asm( "LDI r31, 17" );
asm( "MOV r12, r31" );
asm( "LDI r31, 18" );
asm( "MOV r13, r31" );
asm( "LDI r31, 19" );
asm( "MOV r14, r31" );
asm( "LDI r31, 20" );
asm( "MOV r15, r31" );
asm( "LDI r16, 21" );
asm( "LDI r17, 22" );
asm( "LDI r18, 23" );
asm( "LDI r19, 24" );
asm( "LDI r20, 25" );
asm( "LDI r21, 26" );
asm( "LDI r22, 27" );
asm( "LDI r23, 28" );
asm( "LDI r24, 29" );
asm( "LDI r25, 30" );
asm( "LDI r26, 31" );
asm( "LDI r27, 32" );
asm( "LDI r28, 33" );
asm( "LDI r29, 34" );
asm( "LDI r30, 35" );
taskYIELD();
asm( "CPI r31, 20" );
asm( "BREQ no_err_1" );
asm( "STS xRegTestError, r0" );
asm( "no_err_1:" );
asm( "LDI r31, 5" );
asm( "CPSE r31, r0" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 6" );
asm( "CPSE r31, r1" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 7" );
asm( "CPSE r31, r2" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 8" );
asm( "CPSE r31, r3" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 9" );
asm( "CPSE r31, r4" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 10" );
asm( "CPSE r31, r5" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 11" );
asm( "CPSE r31, r6" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 12" );
asm( "CPSE r31, r7" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 13" );
asm( "CPSE r31, r8" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 14" );
asm( "CPSE r31, r9" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 15" );
asm( "CPSE r31, r10" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 16" );
asm( "CPSE r31, r11" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 17" );
asm( "CPSE r31, r12" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 18" );
asm( "CPSE r31, r13" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 19" );
asm( "CPSE r31, r14" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 20" );
asm( "CPSE r31, r15" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 21" );
asm( "CPSE r31, r16" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 22" );
asm( "CPSE r31, r17" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 23" );
asm( "CPSE r31, r18" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 24" );
asm( "CPSE r31, r19" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 25" );
asm( "CPSE r31, r20" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 26" );
asm( "CPSE r31, r21" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 27" );
asm( "CPSE r31, r22" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 28" );
asm( "CPSE r31, r23" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 29" );
asm( "CPSE r31, r24" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 30" );
asm( "CPSE r31, r25" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 31" );
asm( "CPSE r31, r26" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 32" );
asm( "CPSE r31, r27" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 33" );
asm( "CPSE r31, r28" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 34" );
asm( "CPSE r31, r29" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 35" );
asm( "CPSE r31, r30" );
asm( "STS xRegTestError, r0" );
}
}
/*-----------------------------------------------------------*/
static void prvRegisterCheck2( void *pvParameters )
{
( void ) pvParameters;
for( ;; )
{
asm( "LDI r31, 1" );
asm( "MOV r0, r31" );
asm( "LDI r31, 2" );
asm( "MOV r1, r31" );
asm( "LDI r31, 3" );
asm( "MOV r2, r31" );
asm( "LDI r31, 4" );
asm( "MOV r3, r31" );
asm( "LDI r31, 5" );
asm( "MOV r4, r31" );
asm( "LDI r31, 6" );
asm( "MOV r5, r31" );
asm( "LDI r31, 7" );
asm( "MOV r6, r31" );
asm( "LDI r31, 8" );
asm( "MOV r7, r31" );
asm( "LDI r31, 9" );
asm( "MOV r8, r31" );
asm( "LDI r31, 10" );
asm( "MOV r9, r31" );
asm( "LDI r31, 11" );
asm( "MOV r10, r31" );
asm( "LDI r31, 12" );
asm( "MOV r11, r31" );
asm( "LDI r31, 13" );
asm( "MOV r12, r31" );
asm( "LDI r31, 14" );
asm( "MOV r13, r31" );
asm( "LDI r31, 15" );
asm( "MOV r14, r31" );
asm( "LDI r31, 16" );
asm( "MOV r15, r31" );
asm( "LDI r16, 17" );
asm( "LDI r17, 18" );
asm( "LDI r18, 19" );
asm( "LDI r19, 20" );
asm( "LDI r20, 21" );
asm( "LDI r21, 22" );
asm( "LDI r22, 23" );
asm( "LDI r23, 24" );
asm( "LDI r24, 25" );
asm( "LDI r25, 26" );
asm( "LDI r26, 27" );
asm( "LDI r27, 28" );
asm( "LDI r28, 29" );
asm( "LDI r29, 30" );
asm( "LDI r30, 31" );
taskYIELD();
asm( "CPI r31, 16" );
asm( "BREQ no_err_2" );
asm( "STS xRegTestError, r0" );
asm( "no_err_2:" );
asm( "LDI r31, 1" );
asm( "CPSE r31, r0" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 2" );
asm( "CPSE r31, r1" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 3" );
asm( "CPSE r31, r2" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 4" );
asm( "CPSE r31, r3" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 5" );
asm( "CPSE r31, r4" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 6" );
asm( "CPSE r31, r5" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 7" );
asm( "CPSE r31, r6" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 8" );
asm( "CPSE r31, r7" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 9" );
asm( "CPSE r31, r8" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 10" );
asm( "CPSE r31, r9" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 11" );
asm( "CPSE r31, r10" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 12" );
asm( "CPSE r31, r11" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 13" );
asm( "CPSE r31, r12" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 14" );
asm( "CPSE r31, r13" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 15" );
asm( "CPSE r31, r14" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 16" );
asm( "CPSE r31, r15" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 17" );
asm( "CPSE r31, r16" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 18" );
asm( "CPSE r31, r17" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 19" );
asm( "CPSE r31, r18" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 20" );
asm( "CPSE r31, r19" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 21" );
asm( "CPSE r31, r20" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 22" );
asm( "CPSE r31, r21" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 23" );
asm( "CPSE r31, r22" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 24" );
asm( "CPSE r31, r23" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 25" );
asm( "CPSE r31, r24" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 26" );
asm( "CPSE r31, r25" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 27" );
asm( "CPSE r31, r26" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 28" );
asm( "CPSE r31, r27" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 29" );
asm( "CPSE r31, r28" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 30" );
asm( "CPSE r31, r29" );
asm( "STS xRegTestError, r0" );
asm( "LDI r31, 31" );
asm( "CPSE r31, r30" );
asm( "STS xRegTestError, r0" );
}
}