mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-08-11 13:54:16 -04:00
Normalize line endings and whitespace in source files
This commit is contained in:
Paul Bartell
Paul Bartell
parent
151fb04ad1
commit
01820d3ed9
574 changed files with 162626 additions and 172362 deletions
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@ -1,209 +1,208 @@
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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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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/* Standard Includes. */
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#include <string.h>
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#include <errno.h>
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/* Altera includes. */
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#include "sys/alt_irq.h"
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#include "sys/alt_exceptions.h"
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#include "altera_avalon_timer_regs.h"
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#include "priv/alt_irq_table.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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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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int _alt_ic_isr_register(alt_u32 ic_id, alt_u32 irq, alt_isr_func isr,
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void *isr_context, void *flags);
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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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/*
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* Call back for the alarm function.
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*/
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void vPortSysTickHandler( void * context);
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/*-----------------------------------------------------------*/
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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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}
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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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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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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--;
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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--;
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*pxTopOfStack = portINITIAL_ESTATUS;
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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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/* 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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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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/* 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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}
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/*-----------------------------------------------------------*/
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/*
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* Setup the systick timer to generate the tick interrupts at the required
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* frequency.
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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_ic_isr_register( SYS_CLK_IRQ_INTERRUPT_CONTROLLER_ID, SYS_CLK_IRQ, vPortSysTickHandler, 0x0, 0x0 ) )
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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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}
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/*-----------------------------------------------------------*/
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void vPortSysTickHandler( void * context)
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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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/*-----------------------------------------------------------*/
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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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* correctly.
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*/
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int _alt_ic_isr_register(alt_u32 ic_id, alt_u32 irq, alt_isr_func isr,
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void *isr_context, void *flags)
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{
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int rc = -EINVAL;
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alt_irq_context status;
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int id = irq; /* IRQ interpreted as the interrupt ID. */
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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 inconsistant
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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 = isr;
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alt_irq[id].context = isr_context;
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rc = (isr) ? alt_ic_irq_enable(ic_id, id) : alt_ic_irq_disable(ic_id, 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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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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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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/* Standard Includes. */
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#include <string.h>
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#include <errno.h>
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/* Altera includes. */
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#include "sys/alt_irq.h"
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#include "sys/alt_exceptions.h"
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#include "altera_avalon_timer_regs.h"
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#include "priv/alt_irq_table.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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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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int _alt_ic_isr_register(alt_u32 ic_id, alt_u32 irq, alt_isr_func isr,
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void *isr_context, void *flags);
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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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/*
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* Call back for the alarm function.
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*/
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void vPortSysTickHandler( void * context);
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/*-----------------------------------------------------------*/
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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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}
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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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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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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--;
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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--;
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*pxTopOfStack = portINITIAL_ESTATUS;
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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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/* 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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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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/* 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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}
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/*-----------------------------------------------------------*/
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/*
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* Setup the systick timer to generate the tick interrupts at the required
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* frequency.
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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_ic_isr_register( SYS_CLK_IRQ_INTERRUPT_CONTROLLER_ID, SYS_CLK_IRQ, vPortSysTickHandler, 0x0, 0x0 ) )
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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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}
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/*-----------------------------------------------------------*/
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void vPortSysTickHandler( void * context)
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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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/*-----------------------------------------------------------*/
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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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* correctly.
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*/
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int _alt_ic_isr_register(alt_u32 ic_id, alt_u32 irq, alt_isr_func isr,
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void *isr_context, void *flags)
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{
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int rc = -EINVAL;
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alt_irq_context status;
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int id = irq; /* IRQ interpreted as the interrupt ID. */
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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 inconsistant
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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 = isr;
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alt_irq[id].context = isr_context;
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rc = (isr) ? alt_ic_irq_enable(ic_id, id) : alt_ic_irq_disable(ic_id, 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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