mirror of
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Style: Revert uncrustify for portable directories (#122)
* Style: revert uncrustify portable directories * Style: Uncrustify Some Portable files Co-authored-by: Alfred Gedeon <gedeonag@amazon.com>
This commit is contained in:
alfred gedeon
GitHub
parent
a6da1cd0ce
commit
86653e2a1f
273 changed files with 64802 additions and 65931 deletions
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@ -27,9 +27,9 @@
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the Tern EE 186
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* port.
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*----------------------------------------------------------*/
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* Implementation of functions defined in portable.h for the Tern EE 186
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* port.
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*----------------------------------------------------------*/
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/* Library includes. */
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#include <embedded.h>
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@ -41,200 +41,199 @@
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#include "portasm.h"
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/* The timer increments every four clocks, hence the divide by 4. */
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#define portTIMER_COMPARE ( uint16_t ) ( ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) / ( uint32_t ) 4 )
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#define portTIMER_COMPARE ( uint16_t ) ( ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) / ( uint32_t ) 4 )
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/* From the RDC data sheet. */
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#define portENABLE_TIMER_AND_INTERRUPT ( uint16_t ) 0xe001
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#define portENABLE_TIMER_AND_INTERRUPT ( uint16_t ) 0xe001
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/* Interrupt control. */
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#define portEIO_REGISTER 0xff22
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#define portCLEAR_INTERRUPT 0x0008
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#define portEIO_REGISTER 0xff22
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#define portCLEAR_INTERRUPT 0x0008
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/* Setup the hardware to generate the required tick frequency. */
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static void prvSetupTimerInterrupt( void );
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/* The ISR used depends on whether the preemptive or cooperative scheduler
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* is being used. */
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#if ( configUSE_PREEMPTION == 1 )
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/* Tick service routine used by the scheduler when preemptive scheduling is
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* being used. */
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static void __interrupt __far prvPreemptiveTick( void );
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is being used. */
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#if( configUSE_PREEMPTION == 1 )
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/* Tick service routine used by the scheduler when preemptive scheduling is
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being used. */
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static void __interrupt __far prvPreemptiveTick( void );
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#else
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/* Tick service routine used by the scheduler when cooperative scheduling is
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* being used. */
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static void __interrupt __far prvNonPreemptiveTick( void );
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/* Tick service routine used by the scheduler when cooperative scheduling is
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being used. */
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static void __interrupt __far prvNonPreemptiveTick( void );
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#endif
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/* Trap routine used by taskYIELD() to manually cause a context switch. */
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static void __interrupt __far prvYieldProcessor( void );
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/* The timer initialisation functions leave interrupts enabled,
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* which is not what we want. This ISR is installed temporarily in case
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* the timer fires before we get a change to disable interrupts again. */
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which is not what we want. This ISR is installed temporarily in case
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the timer fires before we get a change to disable interrupts again. */
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static void __interrupt __far prvDummyISR( void );
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/*-----------------------------------------------------------*/
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/* See header file for description. */
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StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
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TaskFunction_t pxCode,
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void * pvParameters )
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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{
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StackType_t DS_Reg = 0;
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StackType_t DS_Reg = 0;
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/* Place a few bytes of known values on the bottom of the stack.
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* This is just useful for debugging. */
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/* Place a few bytes of known values on the bottom of the stack.
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This is just useful for debugging. */
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*pxTopOfStack = 0x1111;
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pxTopOfStack--;
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*pxTopOfStack = 0x2222;
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pxTopOfStack--;
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*pxTopOfStack = 0x3333;
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pxTopOfStack--;
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*pxTopOfStack = 0x1111;
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pxTopOfStack--;
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*pxTopOfStack = 0x2222;
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pxTopOfStack--;
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*pxTopOfStack = 0x3333;
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pxTopOfStack--;
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/* We are going to start the scheduler using a return from interrupt
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* instruction to load the program counter, so first there would be the
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* function call with parameters preamble. */
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/* We are going to start the scheduler using a return from interrupt
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instruction to load the program counter, so first there would be the
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function call with parameters preamble. */
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*pxTopOfStack = FP_SEG( pvParameters );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pvParameters );
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pxCode );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxCode );
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pvParameters );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pvParameters );
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pxCode );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxCode );
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pxTopOfStack--;
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/* Next the status register and interrupt return address. */
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*pxTopOfStack = portINITIAL_SW;
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pxCode );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxCode );
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pxTopOfStack--;
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/* Next the status register and interrupt return address. */
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*pxTopOfStack = portINITIAL_SW;
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pxCode );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxCode );
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pxTopOfStack--;
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/* The remaining registers would be pushed on the stack by our context
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switch function. These are loaded with values simply to make debugging
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easier. */
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*pxTopOfStack = ( StackType_t ) 0xAAAA; /* AX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xCCCC; /* CX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xEEEE; /* ES */
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pxTopOfStack--;
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/* The remaining registers would be pushed on the stack by our context
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* switch function. These are loaded with values simply to make debugging
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* easier. */
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*pxTopOfStack = ( StackType_t ) 0xAAAA; /* AX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xCCCC; /* CX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xEEEE; /* ES */
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pxTopOfStack--;
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/* We need the true data segment. */
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__asm{ MOV DS_Reg, DS };
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/* We need the true data segment. */
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__asm {
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MOV DS_Reg, DS
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};
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*pxTopOfStack = DS_Reg; /* DS */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x0123; /* SI */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DI */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BP */
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*pxTopOfStack = DS_Reg; /* DS */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x0123; /* SI */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DI */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BP */
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return pxTopOfStack;
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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BaseType_t xPortStartScheduler( void )
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{
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/* This is called with interrupts already disabled. */
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/* This is called with interrupts already disabled. */
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/* Put our manual switch (yield) function on a known
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* vector. */
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setvect( portSWITCH_INT_NUMBER, prvYieldProcessor );
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/* Put our manual switch (yield) function on a known
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vector. */
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setvect( portSWITCH_INT_NUMBER, prvYieldProcessor );
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/* Setup the tick interrupt. */
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prvSetupTimerInterrupt();
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/* Setup the tick interrupt. */
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prvSetupTimerInterrupt();
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/* Kick off the scheduler by setting up the context of the first task. */
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portFIRST_CONTEXT();
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/* Kick off the scheduler by setting up the context of the first task. */
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portFIRST_CONTEXT();
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/* Should not get here! */
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return pdFALSE;
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/* Should not get here! */
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return pdFALSE;
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}
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/*-----------------------------------------------------------*/
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static void __interrupt __far prvDummyISR( void )
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{
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/* The timer initialisation functions leave interrupts enabled,
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* which is not what we want. This ISR is installed temporarily in case
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* the timer fires before we get a change to disable interrupts again. */
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outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
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/* The timer initialisation functions leave interrupts enabled,
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which is not what we want. This ISR is installed temporarily in case
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the timer fires before we get a change to disable interrupts again. */
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outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
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}
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/*-----------------------------------------------------------*/
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/* The ISR used depends on whether the preemptive or cooperative scheduler
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* is being used. */
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#if ( configUSE_PREEMPTION == 1 )
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static void __interrupt __far prvPreemptiveTick( void )
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{
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/* Get the scheduler to update the task states following the tick. */
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if( xTaskIncrementTick() != pdFALSE )
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{
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/* Switch in the context of the next task to be run. */
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portSWITCH_CONTEXT();
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}
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is being used. */
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#if( configUSE_PREEMPTION == 1 )
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static void __interrupt __far prvPreemptiveTick( void )
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{
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/* Get the scheduler to update the task states following the tick. */
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if( xTaskIncrementTick() != pdFALSE )
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{
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/* Switch in the context of the next task to be run. */
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portSWITCH_CONTEXT();
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}
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/* Reset interrupt. */
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outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
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}
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#else /* if ( configUSE_PREEMPTION == 1 ) */
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static void __interrupt __far prvNonPreemptiveTick( void )
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{
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/* Same as preemptive tick, but the cooperative scheduler is being used
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* so we don't have to switch in the context of the next task. */
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xTaskIncrementTick();
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/* Reset interrupt. */
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outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
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}
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#endif /* if ( configUSE_PREEMPTION == 1 ) */
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/* Reset interrupt. */
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outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
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}
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#else
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static void __interrupt __far prvNonPreemptiveTick( void )
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{
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/* Same as preemptive tick, but the cooperative scheduler is being used
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so we don't have to switch in the context of the next task. */
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xTaskIncrementTick();
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/* Reset interrupt. */
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outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
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}
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#endif
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/*-----------------------------------------------------------*/
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static void __interrupt __far prvYieldProcessor( void )
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{
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/* Switch in the context of the next task to be run. */
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portSWITCH_CONTEXT();
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/* Switch in the context of the next task to be run. */
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portSWITCH_CONTEXT();
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* Not implemented. */
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/* Not implemented. */
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}
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/*-----------------------------------------------------------*/
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static void prvSetupTimerInterrupt( void )
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{
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const uint16_t usTimerACompare = portTIMER_COMPARE, usTimerAMode = portENABLE_TIMER_AND_INTERRUPT;
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const uint16_t usT2_IRQ = 0x13;
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const uint16_t usTimerACompare = portTIMER_COMPARE, usTimerAMode = portENABLE_TIMER_AND_INTERRUPT;
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const uint16_t usT2_IRQ = 0x13;
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/* Configure the timer, the dummy handler is used here as the init
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* function leaves interrupts enabled. */
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t2_init( usTimerAMode, usTimerACompare, prvDummyISR );
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/* Configure the timer, the dummy handler is used here as the init
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function leaves interrupts enabled. */
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t2_init( usTimerAMode, usTimerACompare, prvDummyISR );
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/* Disable interrupts again before installing the real handlers. */
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portDISABLE_INTERRUPTS();
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/* Disable interrupts again before installing the real handlers. */
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portDISABLE_INTERRUPTS();
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#if ( configUSE_PREEMPTION == 1 )
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/* Tick service routine used by the scheduler when preemptive scheduling is
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* being used. */
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setvect( usT2_IRQ, prvPreemptiveTick );
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#else
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/* Tick service routine used by the scheduler when cooperative scheduling is
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* being used. */
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setvect( usT2_IRQ, prvNonPreemptiveTick );
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#endif
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#if( configUSE_PREEMPTION == 1 )
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/* Tick service routine used by the scheduler when preemptive scheduling is
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being used. */
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setvect( usT2_IRQ, prvPreemptiveTick );
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#else
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/* Tick service routine used by the scheduler when cooperative scheduling is
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being used. */
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setvect( usT2_IRQ, prvNonPreemptiveTick );
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#endif
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}
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@ -43,32 +43,34 @@ void portSWITCH_CONTEXT( void );
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*/
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void portFIRST_CONTEXT( void );
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#define portSWITCH_CONTEXT() \
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asm { mov ax, seg pxCurrentTCB } \
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asm { mov ds, ax } \
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asm { les bx, pxCurrentTCB } /* Save the stack pointer into the TCB. */ \
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asm { mov es : 0x2[ bx ], ss } \
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asm { mov es:[ bx ], sp } \
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asm { call far ptr vTaskSwitchContext } /* Perform the switch. */ \
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asm { mov ax, seg pxCurrentTCB } /* Restore the stack pointer from the TCB. */ \
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asm { mov ds, ax } \
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asm { les bx, dword ptr pxCurrentTCB } \
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asm { mov ss, es:[ bx + 2 ] } \
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asm { mov sp, es:[ bx ] }
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#define portSWITCH_CONTEXT() \
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asm { mov ax, seg pxCurrentTCB } \
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asm { mov ds, ax } \
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asm { les bx, pxCurrentTCB } /* Save the stack pointer into the TCB. */ \
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asm { mov es:0x2[ bx ], ss } \
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asm { mov es:[ bx ], sp } \
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asm { call far ptr vTaskSwitchContext } /* Perform the switch. */ \
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asm { mov ax, seg pxCurrentTCB } /* Restore the stack pointer from the TCB. */ \
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asm { mov ds, ax } \
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asm { les bx, dword ptr pxCurrentTCB } \
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asm { mov ss, es:[ bx + 2 ] } \
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asm { mov sp, es:[ bx ] }
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#define portFIRST_CONTEXT() \
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asm { mov ax, seg pxCurrentTCB } \
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asm { mov ds, ax } \
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asm { les bx, dword ptr pxCurrentTCB } \
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asm { mov ss, es:[ bx + 2 ] } \
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asm { mov sp, es:[ bx ] } \
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asm { pop bp } \
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asm { pop di } \
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asm { pop si } \
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asm { pop ds } \
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asm { pop es } \
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asm { pop dx } \
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asm { pop cx } \
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asm { pop bx } \
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asm { pop ax } \
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asm { iret }
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#define portFIRST_CONTEXT() \
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asm { mov ax, seg pxCurrentTCB } \
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asm { mov ds, ax } \
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asm { les bx, dword ptr pxCurrentTCB } \
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asm { mov ss, es:[ bx + 2 ] } \
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asm { mov sp, es:[ bx ] } \
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asm { pop bp } \
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asm { pop di } \
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asm { pop si } \
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asm { pop ds } \
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asm { pop es } \
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asm { pop dx } \
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asm { pop cx } \
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asm { pop bx } \
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asm { pop ax } \
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asm { iret }
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|
|
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@ -26,11 +26,11 @@
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#define PORTMACRO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
|
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extern "C" {
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#endif
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/*-----------------------------------------------------------
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* Port specific definitions.
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@ -43,64 +43,64 @@
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE long
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#define portLONG long
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#define portSHORT int
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#define portSTACK_TYPE uint16_t
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#define portBASE_TYPE short
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE long
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#define portLONG long
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||||
#define portSHORT int
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#define portSTACK_TYPE uint16_t
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#define portBASE_TYPE short
|
||||
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||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
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||||
|
||||
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||||
#if ( configUSE_16_BIT_TICKS == 1 )
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typedef uint16_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffff
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||||
#else
|
||||
typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section handling. */
|
||||
#define portENTER_CRITICAL() \
|
||||
__asm{ pushf } \
|
||||
__asm{ cli } \
|
||||
#define portENTER_CRITICAL() __asm{ pushf } \
|
||||
__asm{ cli } \
|
||||
|
||||
#define portEXIT_CRITICAL() __asm{ popf }
|
||||
#define portEXIT_CRITICAL() __asm{ popf }
|
||||
|
||||
#define portDISABLE_INTERRUPTS() __asm{ cli }
|
||||
#define portDISABLE_INTERRUPTS() __asm{ cli }
|
||||
|
||||
#define portENABLE_INTERRUPTS() __asm{ sti }
|
||||
#define portENABLE_INTERRUPTS() __asm{ sti }
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portNOP() __asm{ nop }
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portSWITCH_INT_NUMBER 0x80
|
||||
#define portYIELD() __asm{ int portSWITCH_INT_NUMBER }
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portINITIAL_SW ( ( portSTACK_TYPE ) 0x0202 ) /* Start the tasks with interrupts enabled. */
|
||||
#define portNOP() __asm{ nop }
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portSWITCH_INT_NUMBER 0x80
|
||||
#define portYIELD() __asm{ int portSWITCH_INT_NUMBER }
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portINITIAL_SW ( ( portSTACK_TYPE ) 0x0202 ) /* Start the tasks with interrupts enabled. */
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Compiler specifics. */
|
||||
#define portINPUT_BYTE( xAddr ) inp( xAddr )
|
||||
#define portOUTPUT_BYTE( xAddr, ucValue ) outp( xAddr, ucValue )
|
||||
#define portINPUT_WORD( xAddr ) inpw( xAddr )
|
||||
#define portOUTPUT_WORD( xAddr, usValue ) outpw( xAddr, usValue )
|
||||
#define portINPUT_BYTE( xAddr ) inp( xAddr )
|
||||
#define portOUTPUT_BYTE( xAddr, ucValue ) outp( xAddr, ucValue )
|
||||
#define portINPUT_WORD( xAddr ) inpw( xAddr )
|
||||
#define portOUTPUT_WORD( xAddr, usValue ) outpw( xAddr, usValue )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||
#define portTASK_FUNCTION_PROTO( vTaskFunction, vParameters ) void vTaskFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION( vTaskFunction, vParameters ) void vTaskFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION_PROTO( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
|
|
|
|||
|
|
@ -27,9 +27,9 @@
|
|||
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the Tern EE 186
|
||||
* port.
|
||||
*----------------------------------------------------------*/
|
||||
* Implementation of functions defined in portable.h for the Tern EE 186
|
||||
* port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Library includes. */
|
||||
#include <embedded.h>
|
||||
|
|
@ -41,32 +41,30 @@
|
|||
#include "portasm.h"
|
||||
|
||||
/* The timer increments every four clocks, hence the divide by 4. */
|
||||
#define portPRESCALE_VALUE ( 16 )
|
||||
#define portTIMER_COMPARE ( configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 4UL ) )
|
||||
#define portPRESCALE_VALUE ( 16 )
|
||||
#define portTIMER_COMPARE ( configCPU_CLOCK_HZ / ( configTICK_RATE_HZ * 4UL ) )
|
||||
|
||||
/* From the RDC data sheet. */
|
||||
#define portENABLE_TIMER_AND_INTERRUPT ( uint16_t ) 0xe00b
|
||||
#define portENABLE_TIMER ( uint16_t ) 0xC001
|
||||
#define portENABLE_TIMER_AND_INTERRUPT ( uint16_t ) 0xe00b
|
||||
#define portENABLE_TIMER ( uint16_t ) 0xC001
|
||||
|
||||
/* Interrupt control. */
|
||||
#define portEIO_REGISTER 0xff22
|
||||
#define portCLEAR_INTERRUPT 0x0008
|
||||
#define portEIO_REGISTER 0xff22
|
||||
#define portCLEAR_INTERRUPT 0x0008
|
||||
|
||||
/* Setup the hardware to generate the required tick frequency. */
|
||||
static void prvSetupTimerInterrupt( void );
|
||||
|
||||
/* The ISR used depends on whether the preemptive or cooperative scheduler
|
||||
* is being used. */
|
||||
#if ( configUSE_PREEMPTION == 1 )
|
||||
|
||||
/* Tick service routine used by the scheduler when preemptive scheduling is
|
||||
* being used. */
|
||||
static void __interrupt __far prvPreemptiveTick( void );
|
||||
is being used. */
|
||||
#if( configUSE_PREEMPTION == 1 )
|
||||
/* Tick service routine used by the scheduler when preemptive scheduling is
|
||||
being used. */
|
||||
static void __interrupt __far prvPreemptiveTick( void );
|
||||
#else
|
||||
|
||||
/* Tick service routine used by the scheduler when cooperative scheduling is
|
||||
* being used. */
|
||||
static void __interrupt __far prvNonPreemptiveTick( void );
|
||||
/* Tick service routine used by the scheduler when cooperative scheduling is
|
||||
being used. */
|
||||
static void __interrupt __far prvNonPreemptiveTick( void );
|
||||
#endif
|
||||
|
||||
/* Trap routine used by taskYIELD() to manually cause a context switch. */
|
||||
|
|
@ -74,147 +72,148 @@ static void __interrupt __far prvYieldProcessor( void );
|
|||
|
||||
/*-----------------------------------------------------------*/
|
||||
/* See header file for description. */
|
||||
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
||||
TaskFunction_t pxCode,
|
||||
void * pvParameters )
|
||||
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
|
||||
{
|
||||
StackType_t DS_Reg = 0;
|
||||
StackType_t DS_Reg = 0;
|
||||
|
||||
/* We need the true data segment. */
|
||||
__asm {
|
||||
MOV DS_Reg, DS
|
||||
};
|
||||
/* We need the true data segment. */
|
||||
__asm{ MOV DS_Reg, DS };
|
||||
|
||||
/* Place a few bytes of known values on the bottom of the stack.
|
||||
* This is just useful for debugging. */
|
||||
/* 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--;
|
||||
*pxTopOfStack = 0x1111;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = 0x2222;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = 0x3333;
|
||||
pxTopOfStack--;
|
||||
|
||||
/* We are going to start the scheduler using a return from interrupt
|
||||
* instruction to load the program counter, so first there would be the
|
||||
* function call with parameters preamble. */
|
||||
/* We are going to start the scheduler using a return from interrupt
|
||||
instruction to load the program counter, so first there would be the
|
||||
function call with parameters preamble. */
|
||||
|
||||
*pxTopOfStack = FP_OFF( pvParameters );
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = FP_OFF( pxCode );
|
||||
pxTopOfStack--;
|
||||
|
||||
*pxTopOfStack = FP_OFF( pvParameters );
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = FP_OFF( pxCode );
|
||||
pxTopOfStack--;
|
||||
/* Next the status register and interrupt return address. */
|
||||
*pxTopOfStack = portINITIAL_SW;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = FP_SEG( pxCode );
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = FP_OFF( pxCode );
|
||||
pxTopOfStack--;
|
||||
|
||||
/* Next the status register and interrupt return address. */
|
||||
*pxTopOfStack = portINITIAL_SW;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = FP_SEG( pxCode );
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = FP_OFF( pxCode );
|
||||
pxTopOfStack--;
|
||||
/* The remaining registers would be pushed on the stack by our context
|
||||
switch function. These are loaded with values simply to make debugging
|
||||
easier. */
|
||||
*pxTopOfStack = ( StackType_t ) 0xAAAA; /* AX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xCCCC; /* CX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xEEEE; /* ES */
|
||||
pxTopOfStack--;
|
||||
|
||||
/* The remaining registers would be pushed on the stack by our context
|
||||
* switch function. These are loaded with values simply to make debugging
|
||||
* easier. */
|
||||
*pxTopOfStack = ( StackType_t ) 0xAAAA; /* AX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xCCCC; /* CX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DX */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xEEEE; /* ES */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = DS_Reg; /* DS */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0x0123; /* SI */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DI */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BP */
|
||||
|
||||
*pxTopOfStack = DS_Reg; /* DS */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0x0123; /* SI */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DI */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BP */
|
||||
|
||||
return pxTopOfStack;
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
BaseType_t xPortStartScheduler( void )
|
||||
{
|
||||
/* This is called with interrupts already disabled. */
|
||||
/* This is called with interrupts already disabled. */
|
||||
|
||||
/* Put our manual switch (yield) function on a known
|
||||
* vector. */
|
||||
setvect( portSWITCH_INT_NUMBER, prvYieldProcessor );
|
||||
/* Put our manual switch (yield) function on a known
|
||||
vector. */
|
||||
setvect( portSWITCH_INT_NUMBER, prvYieldProcessor );
|
||||
|
||||
/* Setup the tick interrupt. */
|
||||
prvSetupTimerInterrupt();
|
||||
/* Setup the tick interrupt. */
|
||||
prvSetupTimerInterrupt();
|
||||
|
||||
/* Kick off the scheduler by setting up the context of the first task. */
|
||||
portFIRST_CONTEXT();
|
||||
/* Kick off the scheduler by setting up the context of the first task. */
|
||||
portFIRST_CONTEXT();
|
||||
|
||||
/* Should not get here! */
|
||||
return pdFALSE;
|
||||
/* Should not get here! */
|
||||
return pdFALSE;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* The ISR used depends on whether the preemptive or cooperative scheduler
|
||||
* is being used. */
|
||||
#if ( configUSE_PREEMPTION == 1 )
|
||||
static void __interrupt __far prvPreemptiveTick( void )
|
||||
{
|
||||
/* Get the scheduler to update the task states following the tick. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* Switch in the context of the next task to be run. */
|
||||
portEND_SWITCHING_ISR();
|
||||
}
|
||||
is being used. */
|
||||
#if( configUSE_PREEMPTION == 1 )
|
||||
static void __interrupt __far prvPreemptiveTick( void )
|
||||
{
|
||||
/* Get the scheduler to update the task states following the tick. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* Switch in the context of the next task to be run. */
|
||||
portEND_SWITCHING_ISR();
|
||||
}
|
||||
|
||||
/* Reset interrupt. */
|
||||
outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
|
||||
}
|
||||
#else /* if ( configUSE_PREEMPTION == 1 ) */
|
||||
static void __interrupt __far prvNonPreemptiveTick( void )
|
||||
{
|
||||
/* Same as preemptive tick, but the cooperative scheduler is being used
|
||||
* so we don't have to switch in the context of the next task. */
|
||||
xTaskIncrementTick();
|
||||
|
||||
/* Reset interrupt. */
|
||||
outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
|
||||
}
|
||||
#endif /* if ( configUSE_PREEMPTION == 1 ) */
|
||||
/* Reset interrupt. */
|
||||
outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
|
||||
}
|
||||
#else
|
||||
static void __interrupt __far prvNonPreemptiveTick( void )
|
||||
{
|
||||
/* Same as preemptive tick, but the cooperative scheduler is being used
|
||||
so we don't have to switch in the context of the next task. */
|
||||
xTaskIncrementTick();
|
||||
|
||||
/* Reset interrupt. */
|
||||
outport( portEIO_REGISTER, portCLEAR_INTERRUPT );
|
||||
}
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void __interrupt __far prvYieldProcessor( void )
|
||||
{
|
||||
/* Switch in the context of the next task to be run. */
|
||||
portEND_SWITCHING_ISR();
|
||||
/* Switch in the context of the next task to be run. */
|
||||
portEND_SWITCHING_ISR();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* Not implemented. */
|
||||
/* Not implemented. */
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvSetupTimerInterrupt( void )
|
||||
{
|
||||
const uint32_t ulCompareValue = portTIMER_COMPARE;
|
||||
uint16_t usTimerCompare;
|
||||
const uint32_t ulCompareValue = portTIMER_COMPARE;
|
||||
uint16_t usTimerCompare;
|
||||
|
||||
usTimerCompare = ( uint16_t ) ( ulCompareValue >> 4 );
|
||||
usTimerCompare = ( uint16_t ) ( ulCompareValue >> 4 );
|
||||
t2_init( portENABLE_TIMER, portPRESCALE_VALUE, NULL );
|
||||
|
||||
#if ( configUSE_PREEMPTION == 1 )
|
||||
|
||||
/* Tick service routine used by the scheduler when preemptive scheduling is
|
||||
* being used. */
|
||||
t1_init( portENABLE_TIMER_AND_INTERRUPT, usTimerCompare, usTimerCompare, prvPreemptiveTick );
|
||||
#else
|
||||
|
||||
/* Tick service routine used by the scheduler when cooperative scheduling is
|
||||
* being used. */
|
||||
t1_init( portENABLE_TIMER_AND_INTERRUPT, usTimerCompare, usTimerCompare, prvNonPreemptiveTick );
|
||||
#endif
|
||||
#if( configUSE_PREEMPTION == 1 )
|
||||
/* Tick service routine used by the scheduler when preemptive scheduling is
|
||||
being used. */
|
||||
t1_init( portENABLE_TIMER_AND_INTERRUPT, usTimerCompare, usTimerCompare, prvPreemptiveTick );
|
||||
#else
|
||||
/* Tick service routine used by the scheduler when cooperative scheduling is
|
||||
being used. */
|
||||
t1_init( portENABLE_TIMER_AND_INTERRUPT, usTimerCompare, usTimerCompare, prvNonPreemptiveTick );
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -46,26 +46,27 @@ void portEND_SWITCHING_ISR( void );
|
|||
*/
|
||||
void portFIRST_CONTEXT( void );
|
||||
|
||||
#define portEND_SWITCHING_ISR() \
|
||||
asm { mov bx, [ pxCurrentTCB ] } \
|
||||
asm { mov word ptr[ bx ], sp } \
|
||||
asm { call far ptr vTaskSwitchContext } \
|
||||
asm { mov bx, [ pxCurrentTCB ] } \
|
||||
asm { mov sp, [ bx ] }
|
||||
#define portEND_SWITCHING_ISR() \
|
||||
asm { mov bx, [pxCurrentTCB] } \
|
||||
asm { mov word ptr [bx], sp } \
|
||||
asm { call far ptr vTaskSwitchContext } \
|
||||
asm { mov bx, [pxCurrentTCB] } \
|
||||
asm { mov sp, [bx] }
|
||||
|
||||
#define portFIRST_CONTEXT() \
|
||||
asm { mov bx, [ pxCurrentTCB ] } \
|
||||
asm { mov sp, [ bx ] } \
|
||||
asm { pop bp } \
|
||||
asm { pop di } \
|
||||
asm { pop si } \
|
||||
asm { pop ds } \
|
||||
asm { pop es } \
|
||||
asm { pop dx } \
|
||||
asm { pop cx } \
|
||||
asm { pop bx } \
|
||||
asm { pop ax } \
|
||||
asm { iret }
|
||||
#define portFIRST_CONTEXT() \
|
||||
asm { mov bx, [pxCurrentTCB] } \
|
||||
asm { mov sp, [bx] } \
|
||||
asm { pop bp } \
|
||||
asm { pop di } \
|
||||
asm { pop si } \
|
||||
asm { pop ds } \
|
||||
asm { pop es } \
|
||||
asm { pop dx } \
|
||||
asm { pop cx } \
|
||||
asm { pop bx } \
|
||||
asm { pop ax } \
|
||||
asm { iret }
|
||||
|
||||
|
||||
#endif /* ifndef PORT_ASM_H */
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -26,11 +26,11 @@
|
|||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
|
|
@ -43,65 +43,65 @@
|
|||
*/
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE long
|
||||
#define portLONG long
|
||||
#define portSHORT int
|
||||
#define portSTACK_TYPE uint16_t
|
||||
#define portBASE_TYPE short
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE long
|
||||
#define portLONG long
|
||||
#define portSHORT int
|
||||
#define portSTACK_TYPE uint16_t
|
||||
#define portBASE_TYPE short
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
|
||||
|
||||
|
||||
typedef void ( __interrupt __far * pxISR )();
|
||||
typedef void ( __interrupt __far *pxISR )();
|
||||
|
||||
#if ( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section handling. */
|
||||
#define portENTER_CRITICAL() \
|
||||
__asm{ pushf } \
|
||||
__asm{ cli } \
|
||||
#define portENTER_CRITICAL() __asm{ pushf } \
|
||||
__asm{ cli } \
|
||||
|
||||
#define portEXIT_CRITICAL() __asm{ popf }
|
||||
#define portEXIT_CRITICAL() __asm{ popf }
|
||||
|
||||
#define portDISABLE_INTERRUPTS() __asm{ cli }
|
||||
#define portDISABLE_INTERRUPTS() __asm{ cli }
|
||||
|
||||
#define portENABLE_INTERRUPTS() __asm{ sti }
|
||||
#define portENABLE_INTERRUPTS() __asm{ sti }
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portNOP() __asm{ nop }
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portSWITCH_INT_NUMBER 0x80
|
||||
#define portYIELD() __asm{ int portSWITCH_INT_NUMBER }
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portINITIAL_SW ( ( portSTACK_TYPE ) 0x0202 ) /* Start the tasks with interrupts enabled. */
|
||||
#define portNOP() __asm{ nop }
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portSWITCH_INT_NUMBER 0x80
|
||||
#define portYIELD() __asm{ int portSWITCH_INT_NUMBER }
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portINITIAL_SW ( ( portSTACK_TYPE ) 0x0202 ) /* Start the tasks with interrupts enabled. */
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Compiler specifics. */
|
||||
#define portINPUT_BYTE( xAddr ) inp( xAddr )
|
||||
#define portOUTPUT_BYTE( xAddr, ucValue ) outp( xAddr, ucValue )
|
||||
#define portINPUT_WORD( xAddr ) inpw( xAddr )
|
||||
#define portOUTPUT_WORD( xAddr, usValue ) outpw( xAddr, usValue )
|
||||
#define portINPUT_BYTE( xAddr ) inp( xAddr )
|
||||
#define portOUTPUT_BYTE( xAddr, ucValue ) outp( xAddr, ucValue )
|
||||
#define portINPUT_WORD( xAddr ) inpw( xAddr )
|
||||
#define portOUTPUT_WORD( xAddr, usValue ) outpw( xAddr, usValue )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||
#define portTASK_FUNCTION_PROTO( vTaskFunction, vParameters ) void vTaskFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION( vTaskFunction, vParameters ) void vTaskFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION_PROTO( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vTaskFunction, vParameters ) void vTaskFunction( void *pvParameters )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue