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/*
* FreeRTOS Kernel V10.2.1
* Copyright (C) 2019 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!
*/
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo includes. */
#include "tz_demo.h"
#include "mpu_demo.h"
/* Externs needed by the MPU setup code. These are defined in Scatter-Loading
* description file (FreeRTOSDemo_ns.sct). */
extern uint32_t Image$$ER_IROM_NS_PRIVILEGED$$Base;
extern uint32_t Image$$ER_IROM_NS_PRIVILEGED_ALIGN$$Limit;
extern uint32_t Image$$ER_IROM_NS_FREERTOS_SYSTEM_CALLS$$Base;
extern uint32_t Image$$ER_IROM_NS_FREERTOS_SYSTEM_CALLS_ALIGN$$Limit;
extern uint32_t Image$$ER_IROM_NS_UNPRIVILEGED$$Base;
extern uint32_t Image$$ER_IROM_NS_UNPRIVILEGED_ALIGN$$Limit;
extern uint32_t Image$$ER_IRAM_NS_PRIVILEGED$$Base;
extern uint32_t Image$$ER_IRAM_NS_PRIVILEGED_ALIGN$$Limit;
extern uint32_t Image$$ER_IRAM_NS_UNPRIVILEGED$$Base;
extern uint32_t Image$$ER_IRAM_NS_UNPRIVILEGED_ALIGN$$Limit;
/* Privileged flash. */
const uint32_t * __privileged_functions_start__ = ( uint32_t * ) &( Image$$ER_IROM_NS_PRIVILEGED$$Base );
const uint32_t * __privileged_functions_end__ = ( uint32_t * ) ( ( uint32_t ) &( Image$$ER_IROM_NS_PRIVILEGED_ALIGN$$Limit ) - 0x1 ); /* Last address in privileged Flash region. */
/* Flash containing system calls. */
const uint32_t * __syscalls_flash_start__ = ( uint32_t * ) &( Image$$ER_IROM_NS_FREERTOS_SYSTEM_CALLS$$Base );
const uint32_t * __syscalls_flash_end__ = ( uint32_t * ) ( ( uint32_t ) &( Image$$ER_IROM_NS_FREERTOS_SYSTEM_CALLS_ALIGN$$Limit ) - 0x1 ); /* Last address in Flash region containing system calls. */
/* Unprivileged flash. Note that the section containing system calls is
* unprivileged so that unprivileged tasks can make system calls. */
const uint32_t * __unprivileged_flash_start__ = ( uint32_t * ) &( Image$$ER_IROM_NS_UNPRIVILEGED$$Base );
const uint32_t * __unprivileged_flash_end__ = ( uint32_t * ) ( ( uint32_t ) &( Image$$ER_IROM_NS_UNPRIVILEGED_ALIGN$$Limit ) - 0x1 ); /* Last address in un-privileged Flash region. */
/* RAM with priviledged access only. This contains kernel data. */
const uint32_t * __privileged_sram_start__ = ( uint32_t * ) &( Image$$ER_IRAM_NS_PRIVILEGED$$Base );
const uint32_t * __privileged_sram_end__ = ( uint32_t * ) ( ( uint32_t ) &( Image$$ER_IRAM_NS_PRIVILEGED_ALIGN$$Limit ) - 0x1 ); /* Last address in privileged RAM. */
/* Unprivileged RAM. */
const uint32_t * __unprivileged_sram_start__ = ( uint32_t * ) &( Image$$ER_IRAM_NS_UNPRIVILEGED$$Base );
const uint32_t * __unprivileged_sram_end__ = ( uint32_t * ) ( ( uint32_t ) &( Image$$ER_IRAM_NS_UNPRIVILEGED_ALIGN$$Limit ) - 0x1 ); /* Last address in un-privileged RAM. */
/*-----------------------------------------------------------*/
/**
* @brief Create all demo tasks.
*/
static void prvCreateTasks( void );
/**
* @brief The mem fault handler.
*
* It calls a function called vHandleMemoryFault.
*/
void MemManage_Handler( void ) __attribute__ ( ( naked ) );
/*-----------------------------------------------------------*/
/*
* Instructions to Build and Run:
* - The Keil multi-project workspace FreeRTOSDemo.uvmpw contains projects for
* both the secure project, and non secure project.
* - Set the FreeRTOSDemo_s project as Active - Right click on
* "Project: FreeRTOSDemo_s" and select "Set as Active Project".
* - Build the FreeRTOSDemo_s project using "Project --> Build" or by pressing
* "F7".
* - Set the FreeRTOSDemo_ns project as Active - Right click on
* "Project: FreeRTOSDemo_ns" and select "Set as Active Project".
* - Build the FreeRTOSDemo_ns project using "Project --> Build" or by
* pressing "F7".
* - Start Debug Session using "Debug -> Start/Stop Debug Session" or by
* pressing "Ctrl+F5".
*/
/* Non-Secure main. */
int main( void )
{
/* Create tasks. */
prvCreateTasks();
/* Start scheduler. */
vTaskStartScheduler();
/* Should not reach here as the scheduler is already started. */
for( ; ; )
{
}
}
/*-----------------------------------------------------------*/
static void prvCreateTasks( void )
{
/* Create tasks for the MPU Demo. */
vStartMPUDemo();
/* Create tasks for the TZ Demo. */
vStartTZDemo();
}
/*-----------------------------------------------------------*/
/* Stack overflow hook. */
void vApplicationStackOverflowHook( TaskHandle_t xTask, signed char *pcTaskName )
{
/* Force an assert. */
configASSERT( pcTaskName == 0 );
}
/*-----------------------------------------------------------*/
/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
* implementation of vApplicationGetIdleTaskMemory() to provide the memory that
* is used by the Idle task. */
void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
StackType_t ** ppxIdleTaskStackBuffer,
uint32_t * pulIdleTaskStackSize )
{
/* If the buffers to be provided to the Idle task are declared inside this
* function then they must be declared static - otherwise they will be
* allocated on the stack and so not exists after this function exits. */
static StaticTask_t xIdleTaskTCB;
static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ] __attribute__((aligned(32)));
/* Pass out a pointer to the StaticTask_t structure in which the Idle
* task's state will be stored. */
*ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
/* Pass out the array that will be used as the Idle task's stack. */
*ppxIdleTaskStackBuffer = uxIdleTaskStack;
/* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
* Note that, as the array is necessarily of type StackType_t,
* configMINIMAL_STACK_SIZE is specified in words, not bytes. */
*pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
}
/*-----------------------------------------------------------*/
/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
* application must provide an implementation of vApplicationGetTimerTaskMemory()
* to provide the memory that is used by the Timer service task. */
void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
StackType_t ** ppxTimerTaskStackBuffer,
uint32_t * pulTimerTaskStackSize )
{
/* If the buffers to be provided to the Timer task are declared inside this
* function then they must be declared static - otherwise they will be
* allocated on the stack and so not exists after this function exits. */
static StaticTask_t xTimerTaskTCB;
static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ] __attribute__((aligned(32)));
/* Pass out a pointer to the StaticTask_t structure in which the Timer
* task's state will be stored. */
*ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
/* Pass out the array that will be used as the Timer task's stack. */
*ppxTimerTaskStackBuffer = uxTimerTaskStack;
/* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
* Note that, as the array is necessarily of type StackType_t,
* configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
*pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
}
/*-----------------------------------------------------------*/
void MemManage_Handler( void )
{
__asm volatile
(
" tst lr, #4 \n"
" ite eq \n"
" mrseq r0, msp \n"
" mrsne r0, psp \n"
" ldr r1, handler_address_const \n"
" bx r1 \n"
" \n"
" handler_address_const: .word vHandleMemoryFault \n"
);
}
/*-----------------------------------------------------------*/
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