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33
20080212/Source/portable/Softune/MB96340/__STD_LIB_sbrk.c
Normal file
33
20080212/Source/portable/Softune/MB96340/__STD_LIB_sbrk.c
Normal file
|
@ -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 <stdlib.h>
|
||||
|
||||
static long brk_siz = 0;
|
||||
// #if configTOTAL_HEAP_SIZE != 0
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||||
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);
|
||||
}
|
||||
|
589
20080212/Source/portable/Softune/MB96340/port.c
Normal file
589
20080212/Source/portable/Softune/MB96340/port.c
Normal file
|
@ -0,0 +1,589 @@
|
|||
/*
|
||||
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.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Get current value of DPR and ADB registers
|
||||
*/
|
||||
portSTACK_TYPE xGet_DPR_ADB_bank( void );
|
||||
|
||||
/*
|
||||
* Get current value of DTB and PCB registers
|
||||
*/
|
||||
portSTACK_TYPE xGet_DTB_PCB_bank( void );
|
||||
|
||||
/*
|
||||
* Get current register pointer
|
||||
*/
|
||||
portCHAR xGet_RP( void );
|
||||
|
||||
/*
|
||||
* 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 );
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* 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;
|
||||
|
||||
/* Constants required to handle critical sections. */
|
||||
#define portNO_CRITICAL_NESTING ( ( unsigned portBASE_TYPE ) 0 )
|
||||
volatile unsigned portBASE_TYPE uxCriticalNesting = 9999UL;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* 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( ( configMEMMODEL == portSMALL ) || ( configMEMMODEL == portMEDIUM ) )
|
||||
|
||||
#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) "); \
|
||||
\
|
||||
/* Save the critical nesting count to the stack. */ \
|
||||
__asm(" MOVW RW0, _uxCriticalNesting "); \
|
||||
__asm(" PUSHW (RW0) "); \
|
||||
\
|
||||
__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 SAVE_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 "); \
|
||||
\
|
||||
/* Load the saved uxCriticalNesting value into RW0. */ \
|
||||
__asm(" POPW (RW0) "); \
|
||||
\
|
||||
/* Save the loaded value into the uxCriticalNesting variable. */ \
|
||||
__asm(" MOVW _uxCriticalNesting, RW0 "); \
|
||||
\
|
||||
__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 (configMEMMODEL == portCOMPACT || configMEMMODEL == portLARGE)
|
||||
|
||||
#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 _xGet_DPR_ADB_bank
|
||||
.GLOBAL _xGet_DTB_PCB_bank
|
||||
.GLOBAL _xGet_RP
|
||||
.SECTION CODE, CODE, ALIGN=1
|
||||
|
||||
_xGet_DPR_ADB_bank:
|
||||
|
||||
MOV A, DPR
|
||||
SWAP
|
||||
MOV A, ADB
|
||||
ORW A
|
||||
#if configMEMMODEL == portMEDIUM || configMEMMODEL == portLARGE
|
||||
RETP
|
||||
#elif configMEMMODEL == portSMALL || configMEMMODEL == portCOMPACT
|
||||
RET
|
||||
#endif
|
||||
|
||||
|
||||
_xGet_DTB_PCB_bank:
|
||||
|
||||
MOV A, DTB
|
||||
SWAP
|
||||
MOV A, PCB
|
||||
ORW A
|
||||
#if configMEMMODEL == portMEDIUM || configMEMMODEL == portLARGE
|
||||
RETP
|
||||
#elif configMEMMODEL == portSMALL || configMEMMODEL == portCOMPACT
|
||||
RET
|
||||
#endif
|
||||
|
||||
|
||||
_xGet_RP:
|
||||
|
||||
PUSHW PS
|
||||
POPW A
|
||||
SWAP
|
||||
ANDW A,#0x1f
|
||||
#if configMEMMODEL == portMEDIUM || configMEMMODEL == portLARGE
|
||||
RETP
|
||||
#elif configMEMMODEL == portSMALL || configMEMMODEL == portCOMPACT
|
||||
RET
|
||||
#endif
|
||||
|
||||
|
||||
#pragma endasm
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* 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 task 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( ( configMEMMODEL == portCOMPACT ) || ( configMEMMODEL == portLARGE ) )
|
||||
{
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) ( ( unsigned 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( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
|
||||
{
|
||||
*pxTopOfStack = ( xGet_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 configMEMMODEL == portSMALL || configMEMMODEL == portCOMPACT
|
||||
{
|
||||
*pxTopOfStack = xGet_DTB_PCB_bank();
|
||||
pxTopOfStack--;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* DTB | PCB, in case of portMEDIUM or portLARGE memory model PCB would be used
|
||||
along with PC to indicate the start address of the functiom */
|
||||
#if( ( configMEMMODEL == portMEDIUM ) || ( configMEMMODEL == portLARGE ) )
|
||||
{
|
||||
*pxTopOfStack = ( xGet_DTB_PCB_bank() & 0xff00 ) | ( ( ( portLONG ) ( pxCode ) >> 16 ) & 0xff );
|
||||
pxTopOfStack--;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* DPR | ADB */
|
||||
*pxTopOfStack = xGet_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 */
|
||||
pxTopOfStack--;
|
||||
|
||||
/* The task starts with its uxCriticalNesting variable set to 0, interrupts
|
||||
being enabled. */
|
||||
*pxTopOfStack = portNO_CRITICAL_NESTING;
|
||||
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
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;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
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 )
|
||||
{
|
||||
/* Not implemented - unlikely to ever be required as there is nothing to
|
||||
return to. */
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* 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();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEnterCritical( void )
|
||||
{
|
||||
/* Disable interrupts */
|
||||
portDISABLE_INTERRUPTS();
|
||||
|
||||
/* Now interrupts are disabled uxCriticalNesting can be accessed
|
||||
directly. Increment uxCriticalNesting to keep a count of how many times
|
||||
portENTER_CRITICAL() has been called. */
|
||||
uxCriticalNesting++;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortExitCritical( void )
|
||||
{
|
||||
if( uxCriticalNesting > portNO_CRITICAL_NESTING )
|
||||
{
|
||||
uxCriticalNesting--;
|
||||
if( uxCriticalNesting == portNO_CRITICAL_NESTING )
|
||||
{
|
||||
/* Enable all interrupt/exception. */
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
116
20080212/Source/portable/Softune/MB96340/portmacro.h
Normal file
116
20080212/Source/portable/Softune/MB96340/portmacro.h
Normal file
|
@ -0,0 +1,116 @@
|
|||
/*
|
||||
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
|
||||
|
||||
#include "mb96348hs.h"
|
||||
#include <stddef.h>
|
||||
|
||||
#define portSMALL 0
|
||||
#define portMEDIUM 1
|
||||
#define portCOMPACT 2
|
||||
#define portLARGE 3
|
||||
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* 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 portSHORT
|
||||
#define portBASE_TYPE portSHORT
|
||||
|
||||
#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
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section handling. */
|
||||
#define portDISABLE_INTERRUPTS() __DI();
|
||||
#define portENABLE_INTERRUPTS() __EI();
|
||||
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* 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_FROM_ISR() uses delayed interrupt */
|
||||
#define portYIELD_FROM_ISR() __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
|
||||
|
||||
/* Remove the inline declaration from within the kernel code. */
|
||||
#define inline
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
Loading…
Add table
Add a link
Reference in a new issue