diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c index 5f9f59fd7..eb368d0ff 100644 --- a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c +++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.c @@ -1,6 +1,6 @@ /* * FreeRTOS Kernel V10.2.1 - * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * Copyright (C) 2020 Synopsys, 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 diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h index be55259fb..08ffb30b0 100644 --- a/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h +++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_freertos_exceptions.h @@ -1,6 +1,6 @@ /* * FreeRTOS Kernel V10.2.1 - * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * Copyright (C) 2020 Synopsys, 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 diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s b/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s index 12b90d673..9c3daca5d 100644 --- a/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s +++ b/portable/ThirdParty/GCC/ARC_EM_HS/arc_support.s @@ -1,6 +1,6 @@ /* * FreeRTOS Kernel V10.2.1 - * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * Copyright (C) 2020 Synopsys, 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 diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c b/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c index 8e1540037..b0533893c 100644 --- a/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c +++ b/portable/ThirdParty/GCC/ARC_EM_HS/freertos_tls.c @@ -1,6 +1,6 @@ /* * FreeRTOS Kernel V10.2.1 - * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * Copyright (C) 2020 Synopsys, 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 diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/port.c b/portable/ThirdParty/GCC/ARC_EM_HS/port.c index 8a58495fd..491197fa9 100644 --- a/portable/ThirdParty/GCC/ARC_EM_HS/port.c +++ b/portable/ThirdParty/GCC/ARC_EM_HS/port.c @@ -1,6 +1,6 @@ /* * FreeRTOS Kernel V10.2.1 - * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * Copyright (C) 2020 Synopsys, 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 diff --git a/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h b/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h index bd18d5900..142762a0e 100644 --- a/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h +++ b/portable/ThirdParty/GCC/ARC_EM_HS/portmacro.h @@ -1,6 +1,6 @@ /* * FreeRTOS Kernel V10.2.1 - * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * Copyright (C) 2020 Synopsys, 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 diff --git a/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c new file mode 100644 index 000000000..6d7c857c4 --- /dev/null +++ b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c @@ -0,0 +1,51 @@ +/* + * FreeRTOS Kernel V10.2.1 + * Copyright (C) 2020 Synopsys, 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! + */ + +/** + * \file + * \brief exception processing for freertos + */ + +/* #include "embARC.h" */ + +#include "arc_freertos_exceptions.h" + +#ifdef __GNU__ + extern void gnu_printf_setup( void ); +#endif + +/** + * \brief freertos related cpu exception initialization, all the interrupts handled by freertos must be not + * fast irqs. If fiq is needed, please install the default firq_exc_entry or your own fast irq entry into + * the specific interrupt exception. + */ +void freertos_exc_init( void ) +{ + #ifdef __GNU__ + gnu_printf_setup(); + #endif +} diff --git a/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h new file mode 100644 index 000000000..7264361d9 --- /dev/null +++ b/portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h @@ -0,0 +1,45 @@ +/* + * FreeRTOS Kernel V10.2.1 + * Copyright (C) 2020 Synopsys, 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! + */ + +#ifndef ARC_FREERTOS_EXCEPTIONS_H +#define ARC_FREERTOS_EXCEPTIONS_H + +/* + * here, all arc cpu exceptions share the same entry, also for all interrupt + * exceptions + */ +extern void exc_entry_cpu( void ); /* cpu exception entry for freertos */ +extern void exc_entry_int( void ); /* int exception entry for freertos */ + +/* task dispatch functions in .s */ +extern void start_r( void ); +extern void start_dispatch(); +extern void dispatch(); + +extern void freertos_exc_init( void ); + +#endif /* ARC_FREERTOS_EXCEPTIONS_H */ diff --git a/portable/ThirdParty/GCC/ARC_v1/arc_support.s b/portable/ThirdParty/GCC/ARC_v1/arc_support.s new file mode 100644 index 000000000..a5f9d6a42 --- /dev/null +++ b/portable/ThirdParty/GCC/ARC_v1/arc_support.s @@ -0,0 +1,321 @@ +/* + * FreeRTOS Kernel V10.2.1 + * Copyright (C) 2020 Synopsys, 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! + */ + +/** + * \file + * \ingroup OS_FREERTOS + * \brief freertos support for arc processor + * like task dispatcher, interrupt handler + */ +/** @cond OS_FREERTOS_ASM_ARC_SUPPORT */ + +/* + * core-dependent part in assemble language (for arc) + */ +#define __ASSEMBLY__ +#include "arc/arc.h" +#include "arc/arc_asm_common.h" + +/* + * task dispatcher + * + */ + .text + .align 4 + .global dispatch +dispatch: +/* + * the pre-conditions of this routine are task context, CPU is + * locked, dispatch is enabled. + */ + SAVE_NONSCRATCH_REGS /* save callee save registers */ + mov r1, dispatch_r + PUSH r1 /* save return address */ + ld r0, [pxCurrentTCB] + bl dispatcher + +/* return routine when task dispatch happened in task context */ +dispatch_r: + RESTORE_NONSCRATCH_REGS /* recover registers */ + j [blink] + +/* + * start dispatch + */ + .global start_dispatch + .align 4 +start_dispatch: +/* + * this routine is called in the non-task context during the startup of the kernel + * , and all the interrupts are locked. + * + * when the dispatcher is called, the cpu is locked, no nest exception (CPU exception/interrupt). + * In target_initialize, all interrupt priority mask should be cleared, cpu should be + * locked, the interrupts outside the kernel such as fiq can be + * enabled. + */ + clri + mov r0, 0 + st r0, [exc_nest_count] + b dispatcher_0 +/* + * dispatcher + */ +dispatcher: + ld r1, [ulCriticalNesting] + PUSH r1 /* save critical nesting */ + st sp, [r0] /* save stack pointer of current task, r0->pxCurrentTCB */ + jl vTaskSwitchContext /* change the value of pxCurrentTCB */ +/* + * before dispatcher is called, task context | cpu locked | dispatch enabled + * should be satisfied. In this routine, the processor will jump + * into the entry of next to run task + * + * i.e. kernel mode, IRQ disabled, dispatch enabled + */ +dispatcher_0: + ld r1, [pxCurrentTCB] + ld sp, [r1] /* recover task stack */ +#if ARC_FEATURE_STACK_CHECK + lr r0, [AUX_STATUS32] + bclr r0, r0, AUX_STATUS_BIT_SC + flag r0 + jl vPortSetStackCheck + lr r0, [AUX_STATUS32] + bset r0, r0, AUX_STATUS_BIT_SC + flag r0 +#endif + POP r0 /* get critical nesting */ + st r0, [ulCriticalNesting] + POP r0 /* get return address */ + j [r0] + +/* + * task startup routine + * + */ + .text + .global start_r + .align 4 +start_r: + seti /* unlock cpu */ + mov blink, vPortEndTask /* set return address */ + POP r1 /* get task function body */ + POP r0 /* get task parameters */ + j [r1] + +/****** exceptions and interrupts handing ******/ +/****** entry for exception handling ******/ + .global exc_entry_cpu + .align 4 +exc_entry_cpu: + + EXCEPTION_PROLOGUE + + + mov blink, sp + mov r3, sp /* as exception handler's para(p_excinfo) */ + + ld r1, [exc_nest_count] + add r1, r1, 1 + st r1, [exc_nest_count] + brne r1, 0, exc_handler_1 +/* change to exception stack if interrupt happened in task context */ + mov sp, _e_stack +exc_handler_1: + PUSH blink + +/* find the exception cause */ +#if ARC_FEATURE_CORE_700 + lr r0, [AUX_ECR] + lsr r0, r0, 16 + bmsk r0, r0, 7 +#endif + mov r1, exc_int_handler_table + ld.as r2, [r1, r0] + + mov r0, r3 + jl [r2] /* !!!!jump to exception handler where interrupts are not allowed! */ + +/* interrupts are not allowed */ +ret_exc: + POP sp + mov r1, exc_nest_count + ld r0, [r1] + sub r0, r0, 1 + st r0, [r1] + brne r0, 0, ret_exc_1 /* nested exception case */ + lr r1, [AUX_IRQ_LV12] + brne r1, 0, ret_exc_1 /* nested or pending interrupt case */ + + ld r0, [context_switch_reqflg] + brne r0, 0, ret_exc_2 +ret_exc_1: /* return from non-task context, interrupts or exceptions are nested */ + + EXCEPTION_EPILOGUE +#if ARC_FEATURE_CORE_600 + rtie ilink2 +#else + rtie +#endif + +/* there is a dispatch request */ +ret_exc_2: + /* clear dispatch request */ + mov r0, 0 + st r0, [context_switch_reqflg] + + ld r0, [pxCurrentTCB] + breq r0, 0, ret_exc_1 + + SAVE_CALLEE_REGS /* save callee save registers */ + + lr r0, [AUX_STATUS32] + bclr r0, r0, AUX_STATUS_BIT_AE /* clear exception bit */ + flag r0 + + mov r1, ret_exc_r /* save return address */ + PUSH r1 + + bl dispatcher /* r0->pxCurrentTCB */ + +ret_exc_r: + /* recover exception status */ + lr r0, [AUX_STATUS32] + bset r0, r0, AUX_STATUS_BIT_AE + flag r0 + + RESTORE_CALLEE_REGS /* recover registers */ + EXCEPTION_EPILOGUE +#if ARC_FEATURE_CORE_600 + rtie ilink2 +#else + rtie +#endif + +/****** entry for normal interrupt exception handling ******/ + .global exc_entry_int /* entry for interrupt handling */ + .align 4 +exc_entry_int: + + INTERRUPT_PROLOGUE + + mov blink, sp + + /* disable interrupt */ + push r0 + lr r0, [AUX_STATUS32] + push r0 + bclr r0, r0, AUX_STATUS_BIT_E1 + bclr r0, r0, AUX_STATUS_BIT_E2 + flag r0 + ld r3, [exc_nest_count] + add r2, r3, 1 + st r2, [exc_nest_count] + /* enable interrupt */ + pop r0 + flag r0 + pop r0 + + brne r3, 0, irq_handler_1 +/* change to exception stack if interrupt happened in task context */ + mov sp, _e_stack +#if ARC_FEATURE_STACK_CHECK + lr r0, [AUX_STATUS32] + bclr r0, r0, AUX_STATUS_BIT_SC + flag r0 +#endif +irq_handler_1: + PUSH blink + +/* critical area */ +#if ARC_FEATURE_CORE_700 + lr r0, [AUX_IRQ_CAUSE1] +#endif + mov r1, exc_int_handler_table + ld.as r2, [r1, r0] /* r2 = exc_int_handler_table + irqno *4 */ +/* handle software triggered interrupt */ + lr r3, [AUX_IRQ_HINT] + cmp r3, r0 + bne.d irq_hint_handled + xor r3, r3, r3 + sr r3, [AUX_IRQ_HINT] +irq_hint_handled: + + jl [r2] /* jump to interrupt handler */ +/* no interrupts are allowed from here */ +ret_int: + clri /* disable interrupt */ + + POP sp + mov r1, exc_nest_count + ld r0, [r1] + sub r0, r0, 1 + st r0, [r1] +/* if there are multi-bits set in IRQ_LV12, it's still in nest interrupt */ + lr r1, [AUX_IRQ_LV12] + + ld r0, [context_switch_reqflg] + brne r0, 0, ret_int_2 +ret_int_1: /* return from non-task context */ + INTERRUPT_EPILOGUE +#if ARC_FEATURE_CORE_600 +/* TODO: series 600 IRQ6 and IRQ7 uses ilink2 */ + rtie ilink1 +#else + rtie +#endif +/* there is a dispatch request */ +ret_int_2: + /* clear dispatch request */ + mov r0, 0 + st r0, [context_switch_reqflg] + + ld r0, [pxCurrentTCB] + breq r0, 0, ret_int_1 + +/* r1 has old AUX_IRQ_LV12 */ + PUSH r1 +/* clear related bits in IRQ_ACT manually to simulate a irq return */ + + SAVE_CALLEE_REGS /* save callee save registers */ + mov r1, ret_int_r /* save return address */ + PUSH r1 + + bl dispatcher /* r0->pxCurrentTCB */ + +ret_int_r: + RESTORE_CALLEE_REGS /* recover registers */ + POPAX AUX_IRQ_LV12 + INTERRUPT_EPILOGUE +#if ARC_FEATURE_CORE_600 + rtie ilink1 +#else + rtie +#endif + +/** @endcond */ diff --git a/portable/ThirdParty/GCC/ARC_v1/port.c b/portable/ThirdParty/GCC/ARC_v1/port.c new file mode 100644 index 000000000..fe831b1ef --- /dev/null +++ b/portable/ThirdParty/GCC/ARC_v1/port.c @@ -0,0 +1,295 @@ +/* + * FreeRTOS Kernel V10.2.1 + * Copyright (C) 2020 Synopsys, 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! + */ + +/* + * Implementation of functions defined in portable.h + */ + +#include "FreeRTOS.h" +#include "task.h" +#include "FreeRTOSConfig.h" + +#include "arc/arc_exception.h" +#include "arc/arc_timer.h" +#include "board.h" + +#include "arc_freertos_exceptions.h" + +volatile unsigned int ulCriticalNesting = 999UL; +volatile unsigned int context_switch_reqflg; /* task context switch request flag in exceptions and interrupts handling */ + +/** + * \var exc_nest_count + * \brief the counter for exc/int processing, =0 no int/exc + * >1 in int/exc processing + * @} + */ +uint32_t exc_nest_count; +/* --------------------------------------------------------------------------*/ + +/** + * @brief kernel tick interrupt handler of freertos + */ +/* ----------------------------------------------------------------------------*/ +static void vKernelTick( void * ptr ) +{ + /* clear timer interrupt */ + arc_timer_int_clear( BOARD_OS_TIMER_ID ); + board_timer_update( configTICK_RATE_HZ ); + + if( xTaskIncrementTick() ) + { + portYIELD_FROM_ISR(); /* need to make task switch */ + } +} + +/* --------------------------------------------------------------------------*/ + +/** + * @brief setup freertos kernel tick + */ +/* ----------------------------------------------------------------------------*/ +static void prvSetupTimerInterrupt( void ) +{ + unsigned int cyc = configCPU_CLOCK_HZ / configTICK_RATE_HZ; + + int_disable( BOARD_OS_TIMER_INTNO ); /* disable os timer interrupt */ + arc_timer_stop( BOARD_OS_TIMER_ID ); + arc_timer_start( BOARD_OS_TIMER_ID, TIMER_CTRL_IE | TIMER_CTRL_NH, cyc ); + + int_handler_install( BOARD_OS_TIMER_INTNO, ( INT_HANDLER_T ) vKernelTick ); + int_pri_set( BOARD_OS_TIMER_INTNO, INT_PRI_MIN ); + int_enable( BOARD_OS_TIMER_INTNO ); +} + +/* + * Setup the stack of a new task so it is ready to be placed under the + * scheduler control. The registers have to be placed on the stack in + * the order that the port expects to find them. + * + * For ARC, task context switch is implemented with the help of SWI exception + * It's not efficient but simple. + * + */ +StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack, + TaskFunction_t pxCode, + void * pvParameters ) +{ + /* To ensure asserts in tasks.c don't fail, although in this case the assert + * is not really required. */ + pxTopOfStack--; + + /* Setup the initial stack of the task. The stack is set exactly as + * expected by the portRESTORE_CONTEXT() macro. */ + + /* When the task starts is will expect to find the function parameter in + * R0. */ + *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) pxCode; /* function body */ + + /* PC */ + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) start_r; /* dispatch return address */ + + pxTopOfStack--; + *pxTopOfStack = ( StackType_t ) portNO_CRITICAL_NESTING; + return pxTopOfStack; +} + +/* --------------------------------------------------------------------------*/ + +/** + * @brief start the freertos scheduler, go to the first task + * + * @returns + */ +/* ----------------------------------------------------------------------------*/ +BaseType_t xPortStartScheduler( void ) +{ + /* Start the timer that generates the tick ISR. */ + prvSetupTimerInterrupt(); + start_dispatch(); + + /* Should not get here! */ + return 0; +} + +/* --------------------------------------------------------------------------*/ + +/** + * @brief + */ +/* ----------------------------------------------------------------------------*/ +void vPortEndScheduler( void ) +{ +} + +/* --------------------------------------------------------------------------*/ + +/** + * @brief generate a task switch request in ISR + */ +/* ----------------------------------------------------------------------------*/ +void vPortYieldFromIsr( void ) +{ + unsigned int status32; + + status32 = cpu_lock_save(); + context_switch_reqflg = true; + cpu_unlock_restore( status32 ); +} + +/* --------------------------------------------------------------------------*/ + +/** + * @brief + */ +/* ----------------------------------------------------------------------------*/ +void vPortYield( void ) +{ + unsigned int status32; + + status32 = cpu_lock_save(); + dispatch(); + cpu_unlock_restore( status32 ); +} + +/* --------------------------------------------------------------------------*/ + +/** + * @brief + */ +/* ----------------------------------------------------------------------------*/ +void vPortEndTask( void ) +{ + #if ( INCLUDE_vTaskDelete == 1 ) + vTaskDelete( NULL ); /* Delete task itself */ + #endif + + while( 1 ) /* Yield to other task */ + { + vPortYield(); + } +} + +#if ARC_FEATURE_STACK_CHECK + +/* + * !!! Note !!! + * This a trick!!! + * It's a copy from task.c. We need to konw the definition of TCB for the purpose of hardware + * stack check. Pls don't forget to update it when FreeRTOS is updated. + */ + typedef struct tskTaskControlBlock /* The old naming convention is used to prevent breaking kernel aware debuggers. */ + { + volatile StackType_t * pxTopOfStack; /*< Points to the location of the last item placed on the tasks stack. THIS MUST BE THE FIRST MEMBER OF THE TCB STRUCT. */ + + #if ( portUSING_MPU_WRAPPERS == 1 ) + xMPU_SETTINGS xMPUSettings; /*< The MPU settings are defined as part of the port layer. THIS MUST BE THE SECOND MEMBER OF THE TCB STRUCT. */ + #endif + + ListItem_t xStateListItem; /*< The list that the state list item of a task is reference from denotes the state of that task (Ready, Blocked, Suspended ). */ + ListItem_t xEventListItem; /*< Used to reference a task from an event list. */ + UBaseType_t uxPriority; /*< The priority of the task. 0 is the lowest priority. */ + StackType_t * pxStack; /*< Points to the start of the stack. */ + char pcTaskName[ configMAX_TASK_NAME_LEN ]; /*< Descriptive name given to the task when created. Facilitates debugging only. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ + + #if ( ( portSTACK_GROWTH > 0 ) || ( configRECORD_STACK_HIGH_ADDRESS == 1 ) ) + StackType_t * pxEndOfStack; /*< Points to the highest valid address for the stack. */ + #endif + + #if ( portCRITICAL_NESTING_IN_TCB == 1 ) + UBaseType_t uxCriticalNesting; /*< Holds the critical section nesting depth for ports that do not maintain their own count in the port layer. */ + #endif + + #if ( configUSE_TRACE_FACILITY == 1 ) + UBaseType_t uxTCBNumber; /*< Stores a number that increments each time a TCB is created. It allows debuggers to determine when a task has been deleted and then recreated. */ + UBaseType_t uxTaskNumber; /*< Stores a number specifically for use by third party trace code. */ + #endif + + #if ( configUSE_MUTEXES == 1 ) + UBaseType_t uxBasePriority; /*< The priority last assigned to the task - used by the priority inheritance mechanism. */ + UBaseType_t uxMutexesHeld; + #endif + + #if ( configUSE_APPLICATION_TASK_TAG == 1 ) + TaskHookFunction_t pxTaskTag; + #endif + + #if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 ) + void * pvThreadLocalStoragePointers[ configNUM_THREAD_LOCAL_STORAGE_POINTERS ]; + #endif + + #if ( configGENERATE_RUN_TIME_STATS == 1 ) + uint32_t ulRunTimeCounter; /*< Stores the amount of time the task has spent in the Running state. */ + #endif + + #if ( configUSE_NEWLIB_REENTRANT == 1 ) + + /* Allocate a Newlib reent structure that is specific to this task. + * Note Newlib support has been included by popular demand, but is not + * used by the FreeRTOS maintainers themselves. FreeRTOS is not + * responsible for resulting newlib operation. User must be familiar with + * newlib and must provide system-wide implementations of the necessary + * stubs. Be warned that (at the time of writing) the current newlib design + * implements a system-wide malloc() that must be provided with locks. */ + struct _reent xNewLib_reent; + #endif + + #if ( configUSE_TASK_NOTIFICATIONS == 1 ) + volatile uint32_t ulNotifiedValue; + volatile uint8_t ucNotifyState; + #endif + + /* See the comments above the definition of + * tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE. */ + #if ( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 !e9029 Macro has been consolidated for readability reasons. */ + uint8_t ucStaticallyAllocated; /*< Set to pdTRUE if the task is a statically allocated to ensure no attempt is made to free the memory. */ + #endif + + #if ( INCLUDE_xTaskAbortDelay == 1 ) + uint8_t ucDelayAborted; + #endif + + #if ( configUSE_POSIX_ERRNO == 1 ) + int iTaskErrno; + #endif + } tskTCB; + + + void vPortSetStackCheck( TaskHandle_t old, + TaskHandle_t new ) + { + if( new != NULL ) + { + arc_aux_write( AUX_USTACK_BASE, ( uint32_t ) ( new->pxEndOfStack ) ); + arc_aux_write( AUX_USTACK_TOP, ( uint32_t ) ( new->pxStack ) ); + } + } +#endif /* if ARC_FEATURE_STACK_CHECK */ diff --git a/portable/ThirdParty/GCC/ARC_v1/portmacro.h b/portable/ThirdParty/GCC/ARC_v1/portmacro.h new file mode 100644 index 000000000..dec26c383 --- /dev/null +++ b/portable/ThirdParty/GCC/ARC_v1/portmacro.h @@ -0,0 +1,149 @@ +/* + * FreeRTOS Kernel V10.2.1 + * Copyright (C) 2020 Synopsys, 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! + */ + +#ifndef PORTMACRO_H + #define PORTMACRO_H + #include "embARC.h" + + #ifdef __cplusplus + extern "C" { + #endif + +/* record stack high address for stack check */ + #ifndef configRECORD_STACK_HIGH_ADDRESS + #define configRECORD_STACK_HIGH_ADDRESS 1 + #endif + +/*----------------------------------------------------------- + * Port specific definitions. + * + * The settings in this file configure FreeRTOS correctly for the + * given hardware and compiler. + * + * These settings should not be altered. + *----------------------------------------------------------- + */ + +/* Type definitions. */ + #define portCHAR char + #define portFLOAT float + #define portDOUBLE double + #define portLONG long + #define portSHORT short + #define portSTACK_TYPE unsigned int + #define portBASE_TYPE portLONG + + #ifndef Asm + #define Asm __asm__ volatile + #endif + +/* + * normal constants + */ + #ifndef NULL + #define NULL 0 /* invalid pointer */ + #endif /* NULL */ + + #ifndef true + #define true 1 /* true */ + #endif /* true */ + + #ifndef false + #define false 0 /* false */ + #endif /* false */ + + typedef portSTACK_TYPE StackType_t; + typedef long BaseType_t; + typedef unsigned long UBaseType_t; + + #if ( configUSE_16_BIT_TICKS == 1 ) + typedef uint16_t TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffff + #else + typedef unsigned int TickType_t; + #define portMAX_DELAY ( TickType_t ) 0xffffffffUL + #endif + + #define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 ) + #define portSTACK_GROWTH ( -1 ) + #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) + #define portBYTE_ALIGNMENT 8 + #define portNOP() Asm( "nop_s" ); + #define IPM_ENABLE_ALL 1 + + #define portYIELD_FROM_ISR() vPortYieldFromIsr() + #define portYIELD() vPortYield() + +/* Critical section management. */ + #define portDISABLE_INTERRUPTS() \ + { \ + arc_lock(); \ + } \ + + #define portENABLE_INTERRUPTS() \ + { \ + arc_unlock(); \ + } \ + + extern volatile unsigned int ulCriticalNesting; + + #define portENTER_CRITICAL() \ + { \ + portDISABLE_INTERRUPTS() \ + ulCriticalNesting++; \ + } + + + #define portEXIT_CRITICAL() \ + { \ + if( ulCriticalNesting > portNO_CRITICAL_NESTING ) \ + { \ + ulCriticalNesting--; \ + if( ulCriticalNesting == portNO_CRITICAL_NESTING ) \ + { \ + portENABLE_INTERRUPTS() \ + } \ + } \ + } + + + #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) + #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) + + #define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() do {} while( 0 ) /* we use the timer */ + #define portALT_GET_RUN_TIME_COUNTER_VALUE( dest ) ( dest = xTickCount ) + + #define portCLEAN_UP_TCB( pxTCB ) ( void ) pxTCB + + void vPortYield( void ); + void vPortYieldFromIsr( void ); + + #ifdef __cplusplus +} + #endif + +#endif /* PORTMACRO_H */