/*\r
- FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. \r
- All rights reserved\r
-\r
- VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS provides completely free yet professionally developed, *\r
- * robust, strictly quality controlled, supported, and cross *\r
- * platform software that has become a de facto standard. *\r
- * *\r
- * Help yourself get started quickly and support the FreeRTOS *\r
- * project by purchasing a FreeRTOS tutorial book, reference *\r
- * manual, or both from: http://www.FreeRTOS.org/Documentation *\r
- * *\r
- * Thank you! *\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
-\r
- >>! NOTE: The modification to the GPL is included to allow you to distribute\r
- >>! a combined work that includes FreeRTOS without being obliged to provide\r
- >>! the source code for proprietary components outside of the FreeRTOS\r
- >>! kernel.\r
-\r
- FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
- FOR A PARTICULAR PURPOSE. Full license text is available from the following\r
- link: http://www.freertos.org/a00114.html\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
- http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
- license and Real Time Engineers Ltd. contact details.\r
-\r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
- compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
-\r
- http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
- Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS\r
- licenses offer ticketed support, indemnification and middleware.\r
-\r
- http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
- engineered and independently SIL3 certified version for use in safety and\r
- mission critical applications that require provable dependability.\r
-\r
- 1 tab == 4 spaces!\r
-*/\r
+ * FreeRTOS Kernel V10.2.0\r
+ * Copyright (C) 2019 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.\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
/*-----------------------------------------------------------\r
* Implementation of functions defined in portable.h for the RX200 port.\r
\r
/*-----------------------------------------------------------*/\r
\r
-/* Tasks should start with interrupts enabled and in Supervisor mode, therefore \r
+/* Tasks should start with interrupts enabled and in Supervisor mode, therefore\r
PSW is set with U and I set, and PM and IPL clear. */\r
-#define portINITIAL_PSW ( ( portSTACK_TYPE ) 0x00030000 )\r
+#define portINITIAL_PSW ( ( StackType_t ) 0x00030000 )\r
\r
/*-----------------------------------------------------------*/\r
\r
/* The following lines are to ensure vSoftwareInterruptEntry can be referenced,\r
and therefore installed in the vector table, when the FreeRTOS code is built\r
as a library. */\r
-extern portBASE_TYPE vSoftwareInterruptEntry;\r
-const portBASE_TYPE * p_vSoftwareInterruptEntry = &vSoftwareInterruptEntry;\r
+extern BaseType_t vSoftwareInterruptEntry;\r
+const BaseType_t * p_vSoftwareInterruptEntry = &vSoftwareInterruptEntry;\r
\r
/*-----------------------------------------------------------*/\r
\r
/*\r
* Function to start the first task executing - written in asm code as direct\r
- * access to registers is required. \r
+ * access to registers is required.\r
*/\r
static void prvStartFirstTask( void );\r
\r
\r
/*\r
* The entry point for the software interrupt handler. This is the function\r
- * that calls the inline asm function prvYieldHandler(). It is installed in \r
+ * that calls the inline asm function prvYieldHandler(). It is installed in\r
* the vector table, but the code that installs it is in prvYieldHandler rather\r
* than using a #pragma.\r
*/\r
\r
/*-----------------------------------------------------------*/\r
\r
-/* \r
- * See header file for description. \r
+/*\r
+ * See header file for description.\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
/* Offset to end up on 8 byte boundary. */\r
pxTopOfStack--;\r
pxTopOfStack--;\r
*pxTopOfStack = portINITIAL_PSW;\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) pxCode;\r
+ *pxTopOfStack = ( StackType_t ) pxCode;\r
\r
/* When debugging it can be useful if every register is set to a known\r
value. Otherwise code space can be saved by just setting the registers\r
pxTopOfStack -= 15;\r
}\r
#endif\r
- \r
- *pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R1 */\r
- pxTopOfStack--; \r
+\r
+ *pxTopOfStack = ( StackType_t ) pvParameters; /* R1 */\r
+ pxTopOfStack--;\r
*pxTopOfStack = 0x12345678; /* Accumulator. */\r
pxTopOfStack--;\r
*pxTopOfStack = 0x87654321; /* Accumulator. */\r
}\r
/*-----------------------------------------------------------*/\r
\r
-portBASE_TYPE xPortStartScheduler( void )\r
+BaseType_t xPortStartScheduler( void )\r
{\r
extern void vApplicationSetupTimerInterrupt( void );\r
\r
if( pxCurrentTCB != NULL )\r
{\r
/* Call an application function to set up the timer that will generate the\r
- tick interrupt. This way the application can decide which peripheral to \r
+ tick interrupt. This way the application can decide which peripheral to\r
use. A demo application is provided to show a suitable example. */\r
vApplicationSetupTimerInterrupt();\r
\r
- /* Enable the software interrupt. */ \r
+ /* Enable the software interrupt. */\r
_IEN( _ICU_SWINT ) = 1;\r
- \r
+\r
/* Ensure the software interrupt is clear. */\r
_IR( _ICU_SWINT ) = 0;\r
- \r
+\r
/* Ensure the software interrupt is set to the kernel priority. */\r
_IPR( _ICU_SWINT ) = configKERNEL_INTERRUPT_PRIORITY;\r
- \r
+\r
/* Start the first task. */\r
prvStartFirstTask();\r
}\r
Just ensure the current stack is the user stack. */\r
SETPSW U\r
\r
- /* Obtain the location of the stack associated with which ever task \r
+ /* Obtain the location of the stack associated with which ever task\r
pxCurrentTCB is currently pointing to. */\r
MOV.L #_pxCurrentTCB, R15\r
MOV.L [R15], R15\r
MOV.L [R15], R0\r
\r
- /* Restore the registers from the stack of the task pointed to by \r
+ /* Restore the registers from the stack of the task pointed to by\r
pxCurrentTCB. */\r
POP R15\r
MVTACLO R15 /* Accumulator low 32 bits. */\r
SETPSW I\r
\r
/* Move the data that was automatically pushed onto the interrupt stack when\r
- the interrupt occurred from the interrupt stack to the user stack. \r
- \r
+ the interrupt occurred from the interrupt stack to the user stack.\r
+\r
R15 is saved before it is clobbered. */\r
PUSH.L R15\r
- \r
+\r
/* Read the user stack pointer. */\r
MVFC USP, R15\r
- \r
+\r
/* Move the address down to the data being moved. */\r
SUB #12, R15\r
MVTC R15, USP\r
- \r
+\r
/* Copy the data across. */\r
MOV.L [ R0 ], [ R15 ] ; R15\r
MOV.L 4[ R0 ], 4[ R15 ] ; PC\r
\r
/* Move the interrupt stack pointer to its new correct position. */\r
ADD #12, R0\r
- \r
+\r
/* All the rest of the registers are saved directly to the user stack. */\r
SETPSW U\r
\r
/* Save the rest of the general registers (R15 has been saved already). */\r
PUSHM R1-R14\r
- \r
+\r
/* Save the accumulator. */\r
MVFACHI R15\r
PUSH.L R15\r
MOV.L #_pxCurrentTCB, R15\r
MOV.L [ R15 ], R15\r
MOV.L R0, [ R15 ]\r
- \r
+\r
/* Ensure the interrupt mask is set to the syscall priority while the kernel\r
structures are being accessed. */\r
MVTIPL #configMAX_SYSCALL_INTERRUPT_PRIORITY\r
\r
void vPortEndScheduler( void )\r
{\r
- /* Not implemented as there is nothing to return to. */\r
- \r
+ /* Not implemented in ports where there is nothing to return to.\r
+ Artificially force an assert. */\r
+ configASSERT( pxCurrentTCB == NULL );\r
+\r
/* The following line is just to prevent the symbol getting optimised away. */\r
( void ) vTaskSwitchContext();\r
}\r