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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Style: uncrusitfy
This commit is contained in:
Alfred Gedeon
alfred gedeon
parent
a5dbc2b1de
commit
718178c68a
406 changed files with 108795 additions and 106323 deletions
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@ -25,8 +25,8 @@
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*/
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the NIOS2 port.
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*----------------------------------------------------------*/
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* Implementation of functions defined in portable.h for the NIOS2 port.
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*----------------------------------------------------------*/
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/* Standard Includes. */
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#include <string.h>
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@ -42,11 +42,11 @@
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#include "task.h"
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/* Interrupts are enabled. */
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#define portINITIAL_ESTATUS ( StackType_t ) 0x01
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#define portINITIAL_ESTATUS ( StackType_t ) 0x01
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/*-----------------------------------------------------------*/
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/*
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/*
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* Setup the timer to generate the tick interrupts.
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*/
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static void prvSetupTimerInterrupt( void );
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@ -54,77 +54,80 @@ static void prvSetupTimerInterrupt( void );
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/*
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* Call back for the alarm function.
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*/
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void vPortSysTickHandler( void * context, alt_u32 id );
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void vPortSysTickHandler( void * context,
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alt_u32 id );
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/*-----------------------------------------------------------*/
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static void prvReadGp( uint32_t *ulValue )
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static void prvReadGp( uint32_t * ulValue )
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{
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asm( "stw gp, (%0)" :: "r"(ulValue) );
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asm ( "stw gp, (%0)" ::"r" ( ulValue ) );
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}
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/*-----------------------------------------------------------*/
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/*
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* See header file for description.
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/*
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* See header file for description.
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*/
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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 *pxFramePointer = pxTopOfStack - 1;
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StackType_t xGlobalPointer;
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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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{
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StackType_t * pxFramePointer = pxTopOfStack - 1;
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StackType_t xGlobalPointer;
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prvReadGp( &xGlobalPointer );
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prvReadGp( &xGlobalPointer );
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/* End of stack marker. */
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*pxTopOfStack = 0xdeadbeef;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pxFramePointer;
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*pxTopOfStack = ( StackType_t ) pxFramePointer;
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pxTopOfStack--;
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*pxTopOfStack = xGlobalPointer;
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*pxTopOfStack = xGlobalPointer;
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/* Space for R23 to R16. */
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pxTopOfStack -= 9;
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*pxTopOfStack = ( StackType_t ) pxCode;
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*pxTopOfStack = ( StackType_t ) pxCode;
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pxTopOfStack--;
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*pxTopOfStack = portINITIAL_ESTATUS;
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*pxTopOfStack = portINITIAL_ESTATUS;
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/* Space for R15 to R5. */
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/* Space for R15 to R5. */
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pxTopOfStack -= 12;
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*pxTopOfStack = ( StackType_t ) pvParameters;
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*pxTopOfStack = ( StackType_t ) pvParameters;
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/* Space for R3 to R1, muldiv and RA. */
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pxTopOfStack -= 5;
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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/*
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* See header file for description.
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/*
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* See header file for description.
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*/
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BaseType_t xPortStartScheduler( void )
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{
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/* Start the timer that generates the tick ISR. Interrupts are disabled
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here already. */
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prvSetupTimerInterrupt();
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/* Start the first task. */
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asm volatile ( " movia r2, restore_sp_from_pxCurrentTCB \n"
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" jmp r2 " );
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/* Start the timer that generates the tick ISR. Interrupts are disabled
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* here already. */
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prvSetupTimerInterrupt();
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/* Should not get here! */
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return 0;
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/* Start the first task. */
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asm volatile ( " movia r2, restore_sp_from_pxCurrentTCB \n"
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" jmp r2 " );
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/* Should not get here! */
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return 0;
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* It is unlikely that the NIOS2 port will require this function as there
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is nothing to return to. */
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/* It is unlikely that the NIOS2 port will require this function as there
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* is nothing to return to. */
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}
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/*-----------------------------------------------------------*/
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@ -134,69 +137,71 @@ void vPortEndScheduler( void )
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*/
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void prvSetupTimerInterrupt( void )
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{
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/* Try to register the interrupt handler. */
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if ( -EINVAL == alt_irq_register( SYS_CLK_IRQ, 0x0, vPortSysTickHandler ) )
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{
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/* Failed to install the Interrupt Handler. */
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asm( "break" );
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}
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else
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{
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/* Configure SysTick to interrupt at the requested rate. */
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IOWR_ALTERA_AVALON_TIMER_CONTROL( SYS_CLK_BASE, ALTERA_AVALON_TIMER_CONTROL_STOP_MSK );
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IOWR_ALTERA_AVALON_TIMER_PERIODL( SYS_CLK_BASE, ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) & 0xFFFF );
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IOWR_ALTERA_AVALON_TIMER_PERIODH( SYS_CLK_BASE, ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) >> 16 );
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IOWR_ALTERA_AVALON_TIMER_CONTROL( SYS_CLK_BASE, ALTERA_AVALON_TIMER_CONTROL_CONT_MSK | ALTERA_AVALON_TIMER_CONTROL_START_MSK | ALTERA_AVALON_TIMER_CONTROL_ITO_MSK );
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}
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/* Try to register the interrupt handler. */
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if( -EINVAL == alt_irq_register( SYS_CLK_IRQ, 0x0, vPortSysTickHandler ) )
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{
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/* Failed to install the Interrupt Handler. */
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asm ( "break" );
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}
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else
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{
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/* Configure SysTick to interrupt at the requested rate. */
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IOWR_ALTERA_AVALON_TIMER_CONTROL( SYS_CLK_BASE, ALTERA_AVALON_TIMER_CONTROL_STOP_MSK );
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IOWR_ALTERA_AVALON_TIMER_PERIODL( SYS_CLK_BASE, ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) & 0xFFFF );
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IOWR_ALTERA_AVALON_TIMER_PERIODH( SYS_CLK_BASE, ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) >> 16 );
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IOWR_ALTERA_AVALON_TIMER_CONTROL( SYS_CLK_BASE, ALTERA_AVALON_TIMER_CONTROL_CONT_MSK | ALTERA_AVALON_TIMER_CONTROL_START_MSK | ALTERA_AVALON_TIMER_CONTROL_ITO_MSK );
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}
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/* Clear any already pending interrupts generated by the Timer. */
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IOWR_ALTERA_AVALON_TIMER_STATUS( SYS_CLK_BASE, ~ALTERA_AVALON_TIMER_STATUS_TO_MSK );
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/* Clear any already pending interrupts generated by the Timer. */
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IOWR_ALTERA_AVALON_TIMER_STATUS( SYS_CLK_BASE, ~ALTERA_AVALON_TIMER_STATUS_TO_MSK );
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}
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/*-----------------------------------------------------------*/
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void vPortSysTickHandler( void * context, alt_u32 id )
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void vPortSysTickHandler( void * context,
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alt_u32 id )
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{
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/* Increment the kernel tick. */
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if( xTaskIncrementTick() != pdFALSE )
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{
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/* Increment the kernel tick. */
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if( xTaskIncrementTick() != pdFALSE )
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{
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vTaskSwitchContext();
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}
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/* Clear the interrupt. */
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IOWR_ALTERA_AVALON_TIMER_STATUS( SYS_CLK_BASE, ~ALTERA_AVALON_TIMER_STATUS_TO_MSK );
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}
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/* Clear the interrupt. */
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IOWR_ALTERA_AVALON_TIMER_STATUS( SYS_CLK_BASE, ~ALTERA_AVALON_TIMER_STATUS_TO_MSK );
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}
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/*-----------------------------------------------------------*/
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/** This function is a re-implementation of the Altera provided function.
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* The function is re-implemented to prevent it from enabling an interrupt
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* when it is registered. Interrupts should only be enabled after the FreeRTOS.org
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* kernel has its scheduler started so that contexts are saved and switched
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* kernel has its scheduler started so that contexts are saved and switched
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* correctly.
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*/
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int alt_irq_register( alt_u32 id, void* context, void (*handler)(void*, alt_u32) )
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int alt_irq_register( alt_u32 id,
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void * context,
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void ( * handler )( void *, alt_u32 ) )
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{
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int rc = -EINVAL;
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alt_irq_context status;
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int rc = -EINVAL;
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alt_irq_context status;
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if (id < ALT_NIRQ)
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{
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/*
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* interrupts are disabled while the handler tables are updated to ensure
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* that an interrupt doesn't occur while the tables are in an inconsistent
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* state.
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*/
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status = alt_irq_disable_all ();
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alt_irq[id].handler = handler;
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alt_irq[id].context = context;
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rc = (handler) ? alt_irq_enable (id): alt_irq_disable (id);
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/* alt_irq_enable_all(status); This line is removed to prevent the interrupt from being immediately enabled. */
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}
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return rc;
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if( id < ALT_NIRQ )
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{
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/*
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* interrupts are disabled while the handler tables are updated to ensure
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* that an interrupt doesn't occur while the tables are in an inconsistent
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* state.
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*/
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status = alt_irq_disable_all();
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alt_irq[ id ].handler = handler;
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alt_irq[ id ].context = context;
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rc = ( handler ) ? alt_irq_enable( id ) : alt_irq_disable( id );
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/* alt_irq_enable_all(status); This line is removed to prevent the interrupt from being immediately enabled. */
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}
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return rc;
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}
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/*-----------------------------------------------------------*/
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@ -25,13 +25,13 @@
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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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#include "sys/alt_irq.h"
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#include "sys/alt_irq.h"
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/*-----------------------------------------------------------
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* Port specific definitions.
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@ -44,65 +44,64 @@ extern "C" {
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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 double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint32_t
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#define portBASE_TYPE long
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint32_t
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#define portBASE_TYPE long
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typedef portSTACK_TYPE StackType_t;
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typedef long BaseType_t;
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typedef unsigned long UBaseType_t;
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typedef portSTACK_TYPE StackType_t;
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typedef long BaseType_t;
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typedef unsigned long UBaseType_t;
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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
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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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
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
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not need to be guarded with a critical section. */
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#define portTICK_TYPE_IS_ATOMIC 1
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#endif
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/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
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* not need to be guarded with a critical section. */
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#define portTICK_TYPE_IS_ATOMIC 1
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#endif
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/*-----------------------------------------------------------*/
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/* Architecture specifics. */
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 4
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#define portNOP() asm volatile ( "NOP" )
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#define portCRITICAL_NESTING_IN_TCB 1
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 4
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#define portNOP() asm volatile ( "NOP" )
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#define portCRITICAL_NESTING_IN_TCB 1
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/*-----------------------------------------------------------*/
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extern void vTaskSwitchContext( void );
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#define portYIELD() asm volatile ( "trap" );
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#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vTaskSwitchContext()
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extern void vTaskSwitchContext( void );
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#define portYIELD() asm volatile ( "trap" );
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#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vTaskSwitchContext()
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/* Include the port_asm.S file where the Context saving/restoring is defined. */
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__asm__( "\n\t.globl save_context" );
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__asm__ ( "\n\t.globl save_context");
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/*-----------------------------------------------------------*/
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extern void vTaskEnterCritical( void );
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extern void vTaskExitCritical( void );
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extern void vTaskEnterCritical( void );
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extern void vTaskExitCritical( void );
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#define portDISABLE_INTERRUPTS() alt_irq_disable_all()
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#define portENABLE_INTERRUPTS() alt_irq_enable_all( 0x01 );
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#define portENTER_CRITICAL() vTaskEnterCritical()
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#define portEXIT_CRITICAL() vTaskExitCritical()
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#define portDISABLE_INTERRUPTS() alt_irq_disable_all()
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#define portENABLE_INTERRUPTS() alt_irq_enable_all( 0x01 );
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#define portENTER_CRITICAL() vTaskEnterCritical()
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#define portEXIT_CRITICAL() vTaskExitCritical()
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* PORTMACRO_H */
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