/*\r
- FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
-\r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS tutorial books are available in pdf and paperback. *\r
- * Complete, revised, and edited pdf reference manuals are also *\r
- * available. *\r
- * *\r
- * Purchasing FreeRTOS documentation will not only help you, by *\r
- * ensuring you get running as quickly as possible and with an *\r
- * in-depth knowledge of how to use FreeRTOS, it will also help *\r
- * the FreeRTOS project to continue with its mission of providing *\r
- * professional grade, cross platform, de facto standard solutions *\r
- * for microcontrollers - completely free of charge! *\r
- * *\r
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
- * *\r
- * Thank you for using FreeRTOS, and thank you for your support! *\r
- * *\r
- ***************************************************************************\r
-\r
-\r
- This file is part of the FreeRTOS distribution.\r
-\r
- FreeRTOS is free software; you can redistribute it and/or modify it under\r
- the terms of the GNU General Public License (version 2) as published by the\r
- Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
- >>>NOTE<<< The modification to the GPL is included to allow you to\r
- distribute a combined work that includes FreeRTOS without being obliged to\r
- provide the source code for proprietary components outside of the FreeRTOS\r
- kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
- more details. You should have received a copy of the GNU General Public\r
- License and the FreeRTOS license exception along with FreeRTOS; if not it\r
- can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
- by writing to Richard Barry, contact details for whom are available on the\r
- FreeRTOS WEB site.\r
-\r
- 1 tab == 4 spaces!\r
- \r
- ***************************************************************************\r
- * *\r
- * Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong? *\r
- * *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
- * *\r
- ***************************************************************************\r
-\r
- \r
- http://www.FreeRTOS.org - Documentation, training, latest information, \r
- license and contact details.\r
- \r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool.\r
-\r
- Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
- the code with commercial support, indemnification, and middleware, under \r
- the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also\r
- provide a safety engineered and independently SIL3 certified version under \r
- the SafeRTOS brand: http://www.SafeRTOS.com.\r
-*/\r
+ * FreeRTOS Kernel V10.0.0\r
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ * this software and associated documentation files (the "Software"), to deal in\r
+ * the Software without restriction, including without limitation the rights to\r
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+ * the Software, and to permit persons to whom the Software is furnished to do so,\r
+ * subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in all\r
+ * copies or substantial portions of the Software. If you wish to use our Amazon\r
+ * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * http://www.FreeRTOS.org\r
+ * http://aws.amazon.com/freertos\r
+ *\r
+ * 1 tab == 4 spaces!\r
+ */\r
\r
/* Standard includes. */\r
#include <stdlib.h>\r
/*-----------------------------------------------------------*/\r
\r
/* This reference is required by the save/restore context macros. */\r
-extern volatile unsigned long *pxCurrentTCB;\r
+extern volatile uint32_t *pxCurrentTCB;\r
\r
/* Precalculate the compare match value at compile time. */\r
-static const unsigned long ulCompareMatchValue = ( configPERIPHERAL_CLOCK_HZ / configTICK_RATE_HZ );\r
+static const uint32_t ulCompareMatchValue = ( configPERIPHERAL_CLOCK_HZ / configTICK_RATE_HZ );\r
\r
/*-----------------------------------------------------------*/\r
\r
-portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE * pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )\r
+StackType_t *pxPortInitialiseStack( StackType_t * pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )\r
{\r
-unsigned long *pulUpperCSA = NULL;\r
-unsigned long *pulLowerCSA = NULL;\r
+uint32_t *pulUpperCSA = NULL;\r
+uint32_t *pulLowerCSA = NULL;\r
\r
/* 16 Address Registers (4 Address registers are global), 16 Data\r
Registers, and 3 System Registers.\r
_dsync();\r
\r
/* Consume two free CSAs. */\r
- pulLowerCSA = portCSA_TO_ADDRESS( _mfcr( $FCX ) );\r
+ pulLowerCSA = portCSA_TO_ADDRESS( __MFCR( $FCX ) );\r
if( NULL != pulLowerCSA )\r
{\r
/* The Lower Links to the Upper. */\r
portEXIT_CRITICAL();\r
\r
/* Clear the upper CSA. */\r
- memset( pulUpperCSA, 0, portNUM_WORDS_IN_CSA * sizeof( unsigned long ) );\r
+ memset( pulUpperCSA, 0, portNUM_WORDS_IN_CSA * sizeof( uint32_t ) );\r
\r
/* Upper Context. */\r
- pulUpperCSA[ 2 ] = ( unsigned long )pxTopOfStack; /* A10; Stack Return aka Stack Pointer */\r
+ pulUpperCSA[ 2 ] = ( uint32_t )pxTopOfStack; /* A10; Stack Return aka Stack Pointer */\r
pulUpperCSA[ 1 ] = portSYSTEM_PROGRAM_STATUS_WORD; /* PSW */\r
\r
/* Clear the lower CSA. */\r
- memset( pulLowerCSA, 0, portNUM_WORDS_IN_CSA * sizeof( unsigned long ) );\r
+ memset( pulLowerCSA, 0, portNUM_WORDS_IN_CSA * sizeof( uint32_t ) );\r
\r
/* Lower Context. */\r
- pulLowerCSA[ 8 ] = ( unsigned long ) pvParameters; /* A4; Address Type Parameter Register */\r
- pulLowerCSA[ 1 ] = ( unsigned long ) pxCode; /* A11; Return Address aka RA */\r
+ pulLowerCSA[ 8 ] = ( uint32_t ) pvParameters; /* A4; Address Type Parameter Register */\r
+ pulLowerCSA[ 1 ] = ( uint32_t ) pxCode; /* A11; Return Address aka RA */\r
\r
/* PCXI pointing to the Upper context. */\r
- pulLowerCSA[ 0 ] = ( portINITIAL_PCXI_UPPER_CONTEXT_WORD | ( unsigned long ) portADDRESS_TO_CSA( pulUpperCSA ) );\r
+ pulLowerCSA[ 0 ] = ( portINITIAL_PCXI_UPPER_CONTEXT_WORD | ( uint32_t ) portADDRESS_TO_CSA( pulUpperCSA ) );\r
\r
/* Save the link to the CSA in the top of stack. */\r
- pxTopOfStack = (unsigned long * ) portADDRESS_TO_CSA( pulLowerCSA );\r
+ pxTopOfStack = (uint32_t * ) portADDRESS_TO_CSA( pulLowerCSA );\r
\r
/* DSync to ensure that buffering is not a problem. */\r
_dsync();\r
}\r
/*-----------------------------------------------------------*/\r
\r
-long xPortStartScheduler( void )\r
+int32_t xPortStartScheduler( void )\r
{\r
extern void vTrapInstallHandlers( void );\r
-unsigned long ulMFCR = 0UL;\r
-unsigned long *pulUpperCSA = NULL;\r
-unsigned long *pulLowerCSA = NULL;\r
+uint32_t ulMFCR = 0UL;\r
+uint32_t *pulUpperCSA = NULL;\r
+uint32_t *pulLowerCSA = NULL;\r
\r
/* Interrupts at or below configMAX_SYSCALL_INTERRUPT_PRIORITY are disable\r
when this function is called. */\r
\r
/* Clear the PSW.CDC to enable the use of an RFE without it generating an\r
exception because this code is not genuinely in an exception. */\r
- ulMFCR = _mfcr( $PSW );\r
+ ulMFCR = __MFCR( $PSW );\r
ulMFCR &= portRESTORE_PSW_MASK;\r
_dsync();\r
_mtcr( $PSW, ulMFCR );\r
\r
static void prvSystemTickHandler( int iArg )\r
{\r
-unsigned long ulSavedInterruptMask;\r
-unsigned long *pxUpperCSA = NULL;\r
-unsigned long xUpperCSA = 0UL;\r
-extern volatile unsigned long *pxCurrentTCB;\r
+uint32_t ulSavedInterruptMask;\r
+uint32_t *pxUpperCSA = NULL;\r
+uint32_t xUpperCSA = 0UL;\r
+extern volatile uint32_t *pxCurrentTCB;\r
+int32_t lYieldRequired;\r
\r
/* Just to avoid compiler warnings about unused parameters. */\r
( void ) iArg;\r
ulSavedInterruptMask = portSET_INTERRUPT_MASK_FROM_ISR();\r
{\r
/* Increment the Tick. */\r
- vTaskIncrementTick();\r
+ lYieldRequired = xTaskIncrementTick();\r
}\r
portCLEAR_INTERRUPT_MASK_FROM_ISR( ulSavedInterruptMask );\r
\r
- #if configUSE_PREEMPTION == 1\r
+ if( lYieldRequired != pdFALSE )\r
{\r
/* Save the context of a task.\r
The upper context is automatically saved when entering a trap or interrupt.\r
enabled/disabled. */\r
_disable();\r
_dsync();\r
- xUpperCSA = _mfcr( $PCXI );\r
+ xUpperCSA = __MFCR( $PCXI );\r
pxUpperCSA = portCSA_TO_ADDRESS( xUpperCSA );\r
*pxCurrentTCB = pxUpperCSA[ 0 ];\r
vTaskSwitchContext();\r
CPU_SRC0.bits.SETR = 0;\r
_isync();\r
}\r
- #endif\r
}\r
/*-----------------------------------------------------------*/\r
\r
* than they can be freed assuming that tasks are being spawned and\r
* deleted frequently.\r
*/\r
-void vPortReclaimCSA( unsigned long *pxTCB )\r
+void vPortReclaimCSA( uint32_t *pxTCB )\r
{\r
-unsigned long pxHeadCSA, pxTailCSA, pxFreeCSA;\r
-unsigned long *pulNextCSA;\r
+uint32_t pxHeadCSA, pxTailCSA, pxFreeCSA;\r
+uint32_t *pulNextCSA;\r
\r
/* A pointer to the first CSA in the list of CSAs consumed by the task is\r
stored in the first element of the tasks TCB structure (where the stack\r
{\r
/* Look up the current free CSA head. */\r
_dsync();\r
- pxFreeCSA = _mfcr( $FCX );\r
+ pxFreeCSA = __MFCR( $FCX );\r
\r
/* Join the current Free onto the Tail of what is being reclaimed. */\r
portCSA_TO_ADDRESS( pxTailCSA )[ 0 ] = pxFreeCSA;\r
\r
static void prvTrapYield( int iTrapIdentification )\r
{\r
-unsigned long *pxUpperCSA = NULL;\r
-unsigned long xUpperCSA = 0UL;\r
-extern volatile unsigned long *pxCurrentTCB;\r
+uint32_t *pxUpperCSA = NULL;\r
+uint32_t xUpperCSA = 0UL;\r
+extern volatile uint32_t *pxCurrentTCB;\r
\r
switch( iTrapIdentification )\r
{\r
enabled/disabled. */\r
_disable();\r
_dsync();\r
- xUpperCSA = _mfcr( $PCXI );\r
+ xUpperCSA = __MFCR( $PCXI );\r
pxUpperCSA = portCSA_TO_ADDRESS( xUpperCSA );\r
*pxCurrentTCB = pxUpperCSA[ 0 ];\r
vTaskSwitchContext();\r
\r
static void prvInterruptYield( int iId )\r
{\r
-unsigned long *pxUpperCSA = NULL;\r
-unsigned long xUpperCSA = 0UL;\r
-extern volatile unsigned long *pxCurrentTCB;\r
+uint32_t *pxUpperCSA = NULL;\r
+uint32_t xUpperCSA = 0UL;\r
+extern volatile uint32_t *pxCurrentTCB;\r
\r
/* Just to remove compiler warnings. */\r
( void ) iId;\r
enabled/disabled. */\r
_disable();\r
_dsync();\r
- xUpperCSA = _mfcr( $PCXI );\r
+ xUpperCSA = __MFCR( $PCXI );\r
pxUpperCSA = portCSA_TO_ADDRESS( xUpperCSA );\r
*pxCurrentTCB = pxUpperCSA[ 0 ];\r
vTaskSwitchContext();\r
}\r
/*-----------------------------------------------------------*/\r
\r
-unsigned long uxPortSetInterruptMaskFromISR( void )\r
+uint32_t uxPortSetInterruptMaskFromISR( void )\r
{\r
-unsigned long uxReturn = 0UL;\r
+uint32_t uxReturn = 0UL;\r
\r
_disable();\r
- uxReturn = _mfcr( $ICR );\r
+ uxReturn = __MFCR( $ICR );\r
_mtcr( $ICR, ( ( uxReturn & ~portCCPN_MASK ) | configMAX_SYSCALL_INTERRUPT_PRIORITY ) );\r
_isync();\r
_enable();\r
projects / freertos / blobdiff