X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=FreeRTOS%2FSource%2Fportable%2FGCC%2FMicroBlazeV8%2Fport_exceptions.c;h=14ec0fc7018f40f258ab68743c2986646ef0f74a;hb=e23c63709bf25dfbd3fc685c688de550b720f97c;hp=ebcf9fc6b9783999a819d24457371ba8a195f808;hpb=617d46d8432c30e925e24d1687d310be7aa39f6c;p=freertos diff --git a/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port_exceptions.c b/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port_exceptions.c index ebcf9fc6b..14ec0fc70 100644 --- a/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port_exceptions.c +++ b/FreeRTOS/Source/portable/GCC/MicroBlazeV8/port_exceptions.c @@ -1,67 +1,29 @@ /* - FreeRTOS V7.5.3 - Copyright (C) 2013 Real Time Engineers Ltd. - All rights reserved - - VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. - - *************************************************************************** - * * - * FreeRTOS provides completely free yet professionally developed, * - * robust, strictly quality controlled, supported, and cross * - * platform software that has become a de facto standard. * - * * - * Help yourself get started quickly and support the FreeRTOS * - * project by purchasing a FreeRTOS tutorial book, reference * - * manual, or both from: http://www.FreeRTOS.org/Documentation * - * * - * Thank you! * - * * - *************************************************************************** - - This file is part of the FreeRTOS distribution. - - FreeRTOS is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License (version 2) as published by the - Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. - - >>! NOTE: The modification to the GPL is included to allow you to distribute - >>! a combined work that includes FreeRTOS without being obliged to provide - >>! the source code for proprietary components outside of the FreeRTOS - >>! kernel. - - FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - FOR A PARTICULAR PURPOSE. Full license text is available from the following - link: http://www.freertos.org/a00114.html - - 1 tab == 4 spaces! - - *************************************************************************** - * * - * Having a problem? Start by reading the FAQ "My application does * - * not run, what could be wrong?" * - * * - * http://www.FreeRTOS.org/FAQHelp.html * - * * - *************************************************************************** - - http://www.FreeRTOS.org - Documentation, books, training, latest versions, - license and Real Time Engineers Ltd. contact details. - - http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, - including FreeRTOS+Trace - an indispensable productivity tool, a DOS - compatible FAT file system, and our tiny thread aware UDP/IP stack. - - http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High - Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS - licenses offer ticketed support, indemnification and middleware. - - http://www.SafeRTOS.com - High Integrity Systems also provide a safety - engineered and independently SIL3 certified version for use in safety and - mission critical applications that require provable dependability. - - 1 tab == 4 spaces! -*/ + * FreeRTOS Kernel V10.1.1 + * Copyright (C) 2018 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 includes. */ #include "FreeRTOS.h" @@ -104,7 +66,7 @@ configINSTALL_EXCEPTION_HANDLERS is not set to 1. */ /* This variable is set in the exception entry code, before vPortExceptionHandler is called. */ -unsigned long *pulStackPointerOnFunctionEntry = NULL; +uint32_t *pulStackPointerOnFunctionEntry = NULL; /* This is the structure that is filled with the MicroBlaze context as it existed immediately prior to the exception occurrence. A pointer to this @@ -120,10 +82,10 @@ extern void vPortExceptionHandlerEntry( void *pvExceptionID ); /*-----------------------------------------------------------*/ -/* vApplicationExceptionRegisterDump() is a callback function that the +/* vApplicationExceptionRegisterDump() is a callback function that the application can optionally define to receive a populated xPortRegisterDump -structure. If the application chooses not to define a version of -vApplicationExceptionRegisterDump() then this weekly defined default +structure. If the application chooses not to define a version of +vApplicationExceptionRegisterDump() then this weekly defined default implementation will be called instead. */ extern void vApplicationExceptionRegisterDump( xPortRegisterDump *xRegisterDump ) __attribute__((weak)); void vApplicationExceptionRegisterDump( xPortRegisterDump *xRegisterDump ) @@ -143,11 +105,11 @@ extern void *pxCurrentTCB; /* Fill an xPortRegisterDump structure with the MicroBlaze context as it was immediately before the exception occurrence. */ - - /* First fill in the name and handle of the task that was in the Running + + /* First fill in the name and handle of the task that was in the Running state when the exception occurred. */ xRegisterDump.xCurrentTaskHandle = pxCurrentTCB; - xRegisterDump.pcCurrentTaskName = pcTaskGetTaskName( NULL ); + xRegisterDump.pcCurrentTaskName = pcTaskGetName( NULL ); configASSERT( pulStackPointerOnFunctionEntry ); @@ -167,7 +129,7 @@ extern void *pxCurrentTCB; xRegisterDump.ulR18 = pulStackPointerOnFunctionEntry[ portexR18_STACK_OFFSET ]; xRegisterDump.ulR19 = pulStackPointerOnFunctionEntry[ portexR19_STACK_OFFSET ]; xRegisterDump.ulMSR = pulStackPointerOnFunctionEntry[ portexMSR_STACK_OFFSET ]; - + /* Obtain the value of all other registers. */ xRegisterDump.ulR2_small_data_area = mfgpr( R2 ); xRegisterDump.ulR13_read_write_small_data_area = mfgpr( R13 ); @@ -186,17 +148,17 @@ extern void *pxCurrentTCB; xRegisterDump.ulR29 = mfgpr( R29 ); xRegisterDump.ulR30 = mfgpr( R30 ); xRegisterDump.ulR31 = mfgpr( R31 ); - xRegisterDump.ulR1_SP = ( ( unsigned long ) pulStackPointerOnFunctionEntry ) + portexASM_HANDLER_STACK_FRAME_SIZE; + xRegisterDump.ulR1_SP = ( ( uint32_t ) pulStackPointerOnFunctionEntry ) + portexASM_HANDLER_STACK_FRAME_SIZE; xRegisterDump.ulEAR = mfear(); xRegisterDump.ulESR = mfesr(); xRegisterDump.ulEDR = mfedr(); - + /* Move the saved program counter back to the instruction that was executed when the exception occurred. This is only valid for certain types of exception. */ xRegisterDump.ulPC = xRegisterDump.ulR17_return_address_from_exceptions - portexINSTRUCTION_SIZE; - #if XPAR_MICROBLAZE_0_USE_FPU == 1 + #if( XPAR_MICROBLAZE_USE_FPU != 0 ) { xRegisterDump.ulFSR = mffsr(); } @@ -209,49 +171,49 @@ extern void *pxCurrentTCB; /* Also fill in a string that describes what type of exception this is. The string uses the same ID names as defined in the MicroBlaze standard library exception header files. */ - switch( ( unsigned long ) pvExceptionID ) + switch( ( uint32_t ) pvExceptionID ) { case XEXC_ID_FSL : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_FSL"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_FSL"; break; case XEXC_ID_UNALIGNED_ACCESS : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_UNALIGNED_ACCESS"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_UNALIGNED_ACCESS"; break; case XEXC_ID_ILLEGAL_OPCODE : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_ILLEGAL_OPCODE"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_ILLEGAL_OPCODE"; break; case XEXC_ID_M_AXI_I_EXCEPTION : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_M_AXI_I_EXCEPTION or XEXC_ID_IPLB_EXCEPTION"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_M_AXI_I_EXCEPTION or XEXC_ID_IPLB_EXCEPTION"; break; case XEXC_ID_M_AXI_D_EXCEPTION : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_M_AXI_D_EXCEPTION or XEXC_ID_DPLB_EXCEPTION"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_M_AXI_D_EXCEPTION or XEXC_ID_DPLB_EXCEPTION"; break; case XEXC_ID_DIV_BY_ZERO : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_DIV_BY_ZERO"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_DIV_BY_ZERO"; break; case XEXC_ID_STACK_VIOLATION : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_STACK_VIOLATION or XEXC_ID_MMU"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_STACK_VIOLATION or XEXC_ID_MMU"; break; - #if XPAR_MICROBLAZE_0_USE_FPU == 1 + #if( XPAR_MICROBLAZE_USE_FPU != 0 ) case XEXC_ID_FPU : - xRegisterDump.pcExceptionCause = ( signed char * const ) "XEXC_ID_FPU see ulFSR value"; + xRegisterDump.pcExceptionCause = ( int8_t * const ) "XEXC_ID_FPU see ulFSR value"; break; - #endif /* XPAR_MICROBLAZE_0_USE_FPU */ + #endif /* XPAR_MICROBLAZE_USE_FPU */ } - /* vApplicationExceptionRegisterDump() is a callback function that the + /* vApplicationExceptionRegisterDump() is a callback function that the application can optionally define to receive the populated xPortRegisterDump - structure. If the application chooses not to define a version of - vApplicationExceptionRegisterDump() then the weekly defined default + structure. If the application chooses not to define a version of + vApplicationExceptionRegisterDump() then the weekly defined default implementation within this file will be called instead. */ vApplicationExceptionRegisterDump( &xRegisterDump ); @@ -265,52 +227,54 @@ extern void *pxCurrentTCB; void vPortExceptionsInstallHandlers( void ) { -static unsigned long ulHandlersAlreadyInstalled = pdFALSE; +static uint32_t ulHandlersAlreadyInstalled = pdFALSE; if( ulHandlersAlreadyInstalled == pdFALSE ) { ulHandlersAlreadyInstalled = pdTRUE; - #if XPAR_MICROBLAZE_0_UNALIGNED_EXCEPTIONS == 1 + #if XPAR_MICROBLAZE_UNALIGNED_EXCEPTIONS == 1 microblaze_register_exception_handler( XEXC_ID_UNALIGNED_ACCESS, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_UNALIGNED_ACCESS ); - #endif /* XPAR_MICROBLAZE_0_UNALIGNED_EXCEPTIONS*/ + #endif /* XPAR_MICROBLAZE_UNALIGNED_EXCEPTIONS*/ - #if XPAR_MICROBLAZE_0_ILL_OPCODE_EXCEPTION == 1 + #if XPAR_MICROBLAZE_ILL_OPCODE_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_ILLEGAL_OPCODE, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_ILLEGAL_OPCODE ); - #endif /* XPAR_MICROBLAZE_0_ILL_OPCODE_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_ILL_OPCODE_EXCEPTION */ - #if XPAR_MICROBLAZE_0_M_AXI_I_BUS_EXCEPTION == 1 + #if XPAR_MICROBLAZE_M_AXI_I_BUS_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_M_AXI_I_EXCEPTION, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_M_AXI_I_EXCEPTION ); - #endif /* XPAR_MICROBLAZE_0_M_AXI_I_BUS_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_M_AXI_I_BUS_EXCEPTION */ - #if XPAR_MICROBLAZE_0_M_AXI_D_BUS_EXCEPTION == 1 + #if XPAR_MICROBLAZE_M_AXI_D_BUS_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_M_AXI_D_EXCEPTION, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_M_AXI_D_EXCEPTION ); - #endif /* XPAR_MICROBLAZE_0_M_AXI_D_BUS_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_M_AXI_D_BUS_EXCEPTION */ - #if XPAR_MICROBLAZE_0_IPLB_BUS_EXCEPTION == 1 + #if XPAR_MICROBLAZE_IPLB_BUS_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_IPLB_EXCEPTION, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_IPLB_EXCEPTION ); - #endif /* XPAR_MICROBLAZE_0_IPLB_BUS_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_IPLB_BUS_EXCEPTION */ - #if XPAR_MICROBLAZE_0_DPLB_BUS_EXCEPTION == 1 + #if XPAR_MICROBLAZE_DPLB_BUS_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_DPLB_EXCEPTION, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_DPLB_EXCEPTION ); - #endif /* XPAR_MICROBLAZE_0_DPLB_BUS_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_DPLB_BUS_EXCEPTION */ - #if XPAR_MICROBLAZE_0_DIV_ZERO_EXCEPTION == 1 + #if XPAR_MICROBLAZE_DIV_ZERO_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_DIV_BY_ZERO, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_DIV_BY_ZERO ); - #endif /* XPAR_MICROBLAZE_0_DIV_ZERO_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_DIV_ZERO_EXCEPTION */ - #if XPAR_MICROBLAZE_0_FPU_EXCEPTION == 1 + #if XPAR_MICROBLAZE_FPU_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_FPU, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_FPU ); - #endif /* XPAR_MICROBLAZE_0_FPU_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_FPU_EXCEPTION */ - #if XPAR_MICROBLAZE_0_FSL_EXCEPTION == 1 + #if XPAR_MICROBLAZE_FSL_EXCEPTION == 1 microblaze_register_exception_handler( XEXC_ID_FSL, vPortExceptionHandlerEntry, ( void * ) XEXC_ID_FSL ); - #endif /* XPAR_MICROBLAZE_0_FSL_EXCEPTION*/ + #endif /* XPAR_MICROBLAZE_FSL_EXCEPTION */ + + microblaze_enable_exceptions(); } } /* Exclude the entire file if the MicroBlaze is not configured to handle -exceptions, or the application defined configuration item +exceptions, or the application defined configuration item configINSTALL_EXCEPTION_HANDLERS is not set to 1. */ #endif /* ( MICROBLAZE_EXCEPTIONS_ENABLED == 1 ) && ( configINSTALL_EXCEPTION_HANDLERS == 1 ) */