From 1f41310d6f2f5771a04a8dcd54544f8e2f335056 Mon Sep 17 00:00:00 2001 From: richardbarry Date: Tue, 12 Feb 2008 09:29:26 +0000 Subject: [PATCH] Add Fujitsu 16bit port files. git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@165 1d2547de-c912-0410-9cb9-b8ca96c0e9e2 --- .../portable/Softune/MB96340/__STD_LIB_sbrk.c | 33 ++ Source/portable/Softune/MB96340/port.c | 537 ++++++++++++++++++ Source/portable/Softune/MB96340/portmacro.h | 117 ++++ 3 files changed, 687 insertions(+) create mode 100644 Source/portable/Softune/MB96340/__STD_LIB_sbrk.c create mode 100644 Source/portable/Softune/MB96340/port.c create mode 100644 Source/portable/Softune/MB96340/portmacro.h diff --git a/Source/portable/Softune/MB96340/__STD_LIB_sbrk.c b/Source/portable/Softune/MB96340/__STD_LIB_sbrk.c new file mode 100644 index 000000000..3e8f577b6 --- /dev/null +++ b/Source/portable/Softune/MB96340/__STD_LIB_sbrk.c @@ -0,0 +1,33 @@ +/* THIS SAMPLE CODE IS PROVIDED AS IS AND IS SUBJECT TO ALTERATIONS. FUJITSU */ +/* MICROELECTRONICS ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR */ +/* ELIGIBILITY FOR ANY PURPOSES. */ +/* (C) Fujitsu Microelectronics Europe GmbH */ +/*--------------------------------------------------------------------------- + __STD_LIB_sbrk.C + - Used by heap_3.c for memory accocation and deletion. + +/*---------------------------------------------------------------------------*/ + +#include "FreeRTOSConfig.h" +#include + + static long brk_siz = 0; +// #if configTOTAL_HEAP_SIZE != 0 + typedef int _heep_t; + #define ROUNDUP(s) (((s)+sizeof(_heep_t)-1)&~(sizeof(_heep_t)-1)) + static _heep_t _heep[ROUNDUP(configTOTAL_HEAP_SIZE)/sizeof(_heep_t)]; + #define _heep_size ROUNDUP(configTOTAL_HEAP_SIZE) +/* #else + extern char *_heep; + extern long _heep_size; + #endif +*/ + extern char *sbrk(int size) + { + if (brk_siz + size > _heep_size || brk_siz + size < 0) + + return((char*)-1); + brk_siz += size; + return( (char*)_heep + brk_siz - size); + } + diff --git a/Source/portable/Softune/MB96340/port.c b/Source/portable/Softune/MB96340/port.c new file mode 100644 index 000000000..b7bbe3f22 --- /dev/null +++ b/Source/portable/Softune/MB96340/port.c @@ -0,0 +1,537 @@ +/* + FreeRTOS.org V4.7.1 - Copyright (C) 2003-2008 Richard Barry. + + This file is part of the FreeRTOS.org distribution. + + FreeRTOS.org is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + FreeRTOS.org 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. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with FreeRTOS.org; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + A special exception to the GPL can be applied should you wish to distribute + a combined work that includes FreeRTOS.org, without being obliged to provide + the source code for any proprietary components. See the licensing section + of http://www.FreeRTOS.org for full details of how and when the exception + can be applied. + + *************************************************************************** + + Please ensure to read the configuration and relevant port sections of the + online documentation. + + +++ http://www.FreeRTOS.org +++ + Documentation, latest information, license and contact details. + + +++ http://www.SafeRTOS.com +++ + A version that is certified for use in safety critical systems. + + +++ http://www.OpenRTOS.com +++ + Commercial support, development, porting, licensing and training services. + + *************************************************************************** +*/ + +#include "FreeRTOS.h" +#include "task.h" +#include "mb96348hs.h" + +/*----------------------------------------------------------- + * Implementation of functions defined in portable.h for the 16FX port. + *----------------------------------------------------------*/ + +/* ------- Memory models --------- default address size */ + /* data code */ +#define SMALL 0 /* 16 Bit 16 Bit */ +#define MEDIUM 1 /* 16 Bit 24 Bit */ +#define COMPACT 2 /* 24 Bit 16 Bit */ +#define LARGE 3 /* 24 Bit 24 Bit */ + +/* + * The below define should be same as the option selected by the Memory + * Model (Project->Setup Project->C Compiler->Catagory->Target Depend ) + */ +#define MEMMODEL MEDIUM + +/*-----------------------------------------------------------*/ + +/* + * We require the address of the pxCurrentTCB variable, but don't want to know + * any details of its type. + */ +typedef void tskTCB; +extern volatile tskTCB * volatile pxCurrentTCB; + +/*-----------------------------------------------------------*/ + +/* Get current value of DPR and ADB registers */ +portSTACK_TYPE Get_DPR_ADB_bank(void); + +/* Get current value of DTB and PCB registers */ +portSTACK_TYPE Get_DTB_PCB_bank(void); + +/* Get current register pointer */ +portCHAR Get_RP(void); + +/*-----------------------------------------------------------*/ + +/* + * Macro to save a task context to the task stack. This macro copies the + * saved context (AH:AL, DPR:ADB, DTB:PCB , PC and PS) from the system + * stack to task stack pointed by user stack pointer ( USP for SMALL and + * MEDIUM memory model amd USB:USP for COMPACT and LARGE memory model ), + * then it pushes the general purpose registers RW0-RW7 on to the task + * stack. Finally the resultant stack pointer value is saved into the + * task control block so it can be retrieved the next time the task + * executes. + */ + +#if (MEMMODEL == SMALL || MEMMODEL == MEDIUM) +#define portSAVE_CONTEXT() \ + { __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \ + __asm(" MOVW A, _pxCurrentTCB "); \ + __asm(" MOVW A, SP "); \ + __asm(" SWAPW "); \ + __asm(" MOVW @AL, AH "); \ + __asm(" OR CCR,#H'20 "); \ + } + +/* + * Macro to restore a task context from the task stack. This is effecti- + * vely the reverse of portSAVE_CONTEXT(). First the stack pointer value + * (USP for SMALL and MEDIUM memory model amd USB:USP for COMPACT and + * LARGE memory model ) is loaded from the task control block. Next the + * value of all the general purpose registers RW0-RW7 is retrieved. Fina- + * lly it copies of the context ( AH:AL, DPR:ADB, DTB:PCB, PC and PS) of + * the task to be executed upon RETI from user stack to system stack. + */ + +#define portRESTORE_CONTEXT() \ + { __asm(" MOVW A, _pxCurrentTCB "); \ + __asm(" MOVW A, @A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" MOVW SP, A "); \ + __asm(" POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + } + +#elif (MEMMODEL == COMPACT || MEMMODEL == LARGE) +#define portSAVE_CONTEXT() \ + { __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" POPW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" PUSHW A "); \ + __asm(" PUSHW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \ + __asm(" MOVL A, _pxCurrentTCB "); \ + __asm(" MOVL RL2, A "); \ + __asm(" MOVW A, SP "); \ + __asm(" MOVW @RL2+0, A "); \ + __asm(" MOV A, USB "); \ + __asm(" MOV @RL2+2, A "); \ + } + +#define portRESTORE_CONTEXT() \ + { __asm(" MOVL A, _pxCurrentTCB "); \ + __asm(" MOVL RL2, A "); \ + __asm(" MOVW A, @RL2+0 "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" MOVW SP, A "); \ + __asm(" MOV A, @RL2+2 "); \ + __asm(" MOV USB, A "); \ + __asm(" POPW (RW0,RW1,RW2,RW3,RW4,RW5,RW6,RW7) "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + __asm(" AND CCR,#H'DF "); \ + __asm(" POPW A "); \ + __asm(" OR CCR,#H'20 "); \ + __asm(" PUSHW A "); \ + } +#endif + +/*-----------------------------------------------------------*/ + +/* + * The below are the functions for getting the current value of DPR:ADB, + * DTB:PCB bank registers + */ + +#pragma asm + .GLOBAL _Get_DPR_ADB_bank + .GLOBAL _Get_DTB_PCB_bank + .GLOBAL _Get_RP + .SECTION CODE, CODE, ALIGN=1 +_Get_DPR_ADB_bank: + MOV A, DPR + SWAP + MOV A, ADB + ORW A +#if MEMMODEL == MEDIUM || MEMMODEL == LARGE + RETP +#elif MEMMODEL == SMALL || MEMMODEL == COMPACT + RET +#endif + +_Get_DTB_PCB_bank: + MOV A, DTB + SWAP + MOV A, PCB + ORW A +#if MEMMODEL == MEDIUM || MEMMODEL == LARGE + RETP +#elif MEMMODEL == SMALL || MEMMODEL == COMPACT + RET +#endif + +_Get_RP: + PUSHW PS + POPW A + SWAP + ANDW A,#0x1f + #if MEMMODEL == MEDIUM || MEMMODEL == LARGE + RETP +#elif MEMMODEL == SMALL || MEMMODEL == COMPACT + RET +#endif +#pragma endasm +/*-----------------------------------------------------------*/ + +/* + * Sets up the periodic ISR used for the RTOS tick. This uses RLT0, but + * can be done using any given RLT. + */ +static void prvSetupRLT0Interrupt( void ); +/*-----------------------------------------------------------*/ + +/* + * Initialise the stack of a task to look exactly as if a call to + * portSAVE_CONTEXT had been called. + * + * See the header file portable.h. + */ +portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters ) +{ + /* Place a few bytes of known values on the bottom of the stack. + This is just useful for debugging. */ + + *pxTopOfStack = 0x1111; + pxTopOfStack--; + *pxTopOfStack = 0x2222; + pxTopOfStack--; + *pxTopOfStack = 0x3333; + pxTopOfStack--; + + /* Once the task is called the called would push the pointer to the + parameter on to the stack. Hence here the pointer would be copied first + to the stack. In case of COMPACT or LARGE memory model such pointer + would be 24 bit and in case of SMALL or MEDIUM memory model such pointer + would be 16 bit */ +#if MEMMODEL == COMPACT || MEMMODEL == LARGE + *pxTopOfStack = (portSTACK_TYPE)((portLONG)(pvParameters)>>16); + pxTopOfStack--; +#endif + + *pxTopOfStack = (portSTACK_TYPE)(pvParameters); + pxTopOfStack--; + + /* This is redundant push to the stack. This is required in order to introduce + an offset so that the task accesses a parameter correctly that is passed on to + the task stack. */ +#if MEMMODEL == MEDIUM || MEMMODEL == LARGE + *pxTopOfStack = (Get_DTB_PCB_bank() & 0xff00) | + (((portLONG)(pxCode) >>16) & 0xff); + pxTopOfStack--; +#endif + + /* This is redundant push to the stack. This is required in order to introduce + an offset so that the task accesses a parameter correctly that is passed on to + the task stack. */ + *pxTopOfStack = ( portSTACK_TYPE )(pxCode); + pxTopOfStack--; + + /* PS - User Mode, ILM=7, RB=0, Interrupts enabled,USP */ + *pxTopOfStack = 0xE0C0; + pxTopOfStack--; + + /* PC */ + *pxTopOfStack = ( portSTACK_TYPE )(pxCode); + pxTopOfStack--; + + /* DTB | PCB */ +#if MEMMODEL == SMALL || MEMMODEL == COMPACT + *pxTopOfStack = Get_DTB_PCB_bank(); + pxTopOfStack--; +#endif + + /* DTB | PCB, in case of MEDIUM or LARGE memory model PCB would be used + along with PC to indicate the start address of the functiom */ +#if MEMMODEL == MEDIUM || MEMMODEL == LARGE + *pxTopOfStack = (Get_DTB_PCB_bank() & 0xff00) | + (((portLONG)(pxCode) >>16) & 0xff); + pxTopOfStack--; +#endif + + /* DPR | ADB */ + *pxTopOfStack = Get_DPR_ADB_bank(); + pxTopOfStack--; + + /* AL */ + *pxTopOfStack = ( portSTACK_TYPE ) 0x9999; + pxTopOfStack--; + + /* AH */ + *pxTopOfStack = ( portSTACK_TYPE ) 0xAAAA; + pxTopOfStack--; + + /* Next the general purpose registers. */ + *pxTopOfStack = ( portSTACK_TYPE ) 0x7777; /* RW7 */ + pxTopOfStack--; + *pxTopOfStack = ( portSTACK_TYPE ) 0x6666; /* RW6 */ + pxTopOfStack--; + *pxTopOfStack = ( portSTACK_TYPE ) 0x5555; /* RW5 */ + pxTopOfStack--; + *pxTopOfStack = ( portSTACK_TYPE ) 0x4444; /* RW4 */ + pxTopOfStack--; + *pxTopOfStack = ( portSTACK_TYPE ) 0x3333; /* RW3 */ + pxTopOfStack--; + *pxTopOfStack = ( portSTACK_TYPE ) 0x2222; /* RW2 */ + pxTopOfStack--; + *pxTopOfStack = ( portSTACK_TYPE ) 0x1111; /* RW1 */ + pxTopOfStack--; + *pxTopOfStack = ( portSTACK_TYPE ) 0x8888; /* RW0 */ + + return pxTopOfStack; +} +/*-----------------------------------------------------------*/ +/* + * Setup RLT0 to generate a tick interrupt. + */ +static void prvSetupRLT0Interrupt( void ) +{ + /* set reload value = 34999+1, TICK Interrupt after 10 ms @ 56MHz of CLKP1 */ + TMRLR0 = 0x88B7; + + /* prescaler 1:16, reload, interrupt enable, count enable, trigger */ + TMCSR0 = 0x041B; +} +/*-----------------------------------------------------------*/ +/* + * Start the scheduler. + */ +portBASE_TYPE xPortStartScheduler( void ) +{ + /* Setup the hardware to generate the tick. */ + prvSetupRLT0Interrupt(); + + /* Restore the context of the first task that is going to run. */ + portRESTORE_CONTEXT(); + + /* Simulate a function call end as generated by the compiler. We will now + jump to the start of the task the context of which we have just restored. */ + + __asm(" reti "); + + + /* Should not get here. */ + return pdTRUE; +} +/*-----------------------------------------------------------*/ + +void vPortEndScheduler( void ) +{ + /* It is unlikely that the AVR port will get stopped. If required simply + disable the tick interrupt here. */ +} + +/*-----------------------------------------------------------*/ + +/* + * The interrupt service routine used depends on whether the pre-emptive + * scheduler is being used or not. + */ + +#if configUSE_PREEMPTION == 1 + + /* + * Tick ISR for preemptive scheduler. We can use a __nosavereg attribute + * as the context would be saved by PortSAVE_CONTEXT(). The tick count + * is incremented after the context is saved. + */ + __nosavereg __interrupt void prvRLT0_TICKISR( void ) + { + /* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */ + __DI(); + + /* Save the context of the interrupted task. */ + portSAVE_CONTEXT(); + + /* Enable interrupts */ + __EI(); + + /* Clear RLT0 interrupt flag */ + TMCSR0_UF = 0; + + /* Increment the tick count then switch to the highest priority task + that is ready to run. */ + vTaskIncrementTick(); + vTaskSwitchContext(); + + /* Disable interrupts so that portRESTORE_CONTEXT() is not interrupted */ + __DI(); + + /* Restore the context of the new task. */ + portRESTORE_CONTEXT(); + + /* Enable interrupts */ + __EI(); + } + +#else + + /* + * Tick ISR for the cooperative scheduler. All this does is increment the + * tick count. We don't need to switch context, this can only be done by + * manual calls to taskYIELD(); + */ + __interrupt void prvRLT0_TICKISR( void ) + { + /* Clear RLT0 interrupt flag */ + TMCSR0_UF = 0; + + vTaskIncrementTick(); + } +#endif + +/*-----------------------------------------------------------*/ + +/* + * Manual context switch. We can use a __nosavereg attribute as the context + * would be saved by PortSAVE_CONTEXT(). The context is switched and then + * the context of the new task is restored saved. + */ +__nosavereg __interrupt void vPortYield( void ) +{ + /* Save the context of the interrupted task. */ + portSAVE_CONTEXT(); + + /* Switch to the highest priority task that is ready to run. */ + vTaskSwitchContext(); + + /* Restore the context of the new task. */ + portRESTORE_CONTEXT(); +} + +__nosavereg __interrupt void vPortYieldDelayed( void ) +{ + /* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */ + __DI(); + + /* Save the context of the interrupted task. */ + portSAVE_CONTEXT(); + + /* Enable interrupts */ + __EI(); + + /* Clear delayed interrupt flag */ + __asm (" CLRB 03A4H:0 "); + + /* Switch to the highest priority task that is ready to run. */ + vTaskSwitchContext(); + + /* Disable interrupts so that portSAVE_CONTEXT() is not interrupted */ + __DI(); + + /* Restore the context of the new task. */ + portRESTORE_CONTEXT(); + + /* Enable interrupts */ + __EI(); +} diff --git a/Source/portable/Softune/MB96340/portmacro.h b/Source/portable/Softune/MB96340/portmacro.h new file mode 100644 index 000000000..cc169382a --- /dev/null +++ b/Source/portable/Softune/MB96340/portmacro.h @@ -0,0 +1,117 @@ +/* + FreeRTOS.org V4.7.1 - Copyright (C) 2003-2008 Richard Barry. + + This file is part of the FreeRTOS.org distribution. + + FreeRTOS.org is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + FreeRTOS.org 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. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with FreeRTOS.org; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + A special exception to the GPL can be applied should you wish to distribute + a combined work that includes FreeRTOS.org, without being obliged to provide + the source code for any proprietary components. See the licensing section + of http://www.FreeRTOS.org for full details of how and when the exception + can be applied. + + *************************************************************************** + + Please ensure to read the configuration and relevant port sections of the + online documentation. + + +++ http://www.FreeRTOS.org +++ + Documentation, latest information, license and contact details. + + +++ http://www.SafeRTOS.com +++ + A version that is certified for use in safety critical systems. + + +++ http://www.OpenRTOS.com +++ + Commercial support, development, porting, licensing and training services. + + *************************************************************************** +*/ + + +#ifndef PORTMACRO_H +#define PORTMACRO_H + +/*----------------------------------------------------------- + * 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 int +#define portSTACK_TYPE unsigned portSHORT +#define portBASE_TYPE char + +/* This is required since SOFTUNE doesn't support inline directive as is. */ +#define inline + +#if( configUSE_16_BIT_TICKS == 1 ) + typedef unsigned portSHORT portTickType; + #define portMAX_DELAY ( portTickType ) 0xffff +#else + typedef unsigned portLONG portTickType; + #define portMAX_DELAY ( portTickType ) 0xffffffff +#endif +/*-----------------------------------------------------------*/ + +#define portDISABLE_INTERRUPTS() __DI(); + +#define portENABLE_INTERRUPTS() __EI(); + +/*-----------------------------------------------------------*/ + +#define portENTER_CRITICAL() \ + { __asm(" PUSHW PS "); \ + portDISABLE_INTERRUPTS(); \ + } + +#define portEXIT_CRITICAL() \ + { __asm(" POPW PS "); \ + } + + +/*-----------------------------------------------------------*/ + +/* Architecture specifics. */ +#define portSTACK_GROWTH ( -1 ) +#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ ) +#define portBYTE_ALIGNMENT 2 +#define portNOP() __asm( " NOP " ); +/*-----------------------------------------------------------*/ + +/* portYIELD() uses SW interrupt */ +#define portYIELD() __asm( " INT #122 " ); + +/* portYIELD() uses delayed interrupt */ +#define portYIELDFromISR() __asm (" SETB 03A4H:0 "); +/*-----------------------------------------------------------*/ + +/* Task function macros as described on the FreeRTOS.org WEB site. */ +#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) +#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) + +#define portMINIMAL_STACK_SIZE configMINIMAL_STACK_SIZE + +#endif /* PORTMACRO_H */ + -- 2.39.5