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Add configurable FPU support
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2 changed files with 58 additions and 20 deletions
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@ -105,9 +105,6 @@ extern void vPortEnableInterrupts( void );
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extern void vPortDisableInterrupts( void );
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extern uint32_t ulPortSetInterruptMaskFromISR( void );
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/* The I bit within the CPSR. */
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#define portINTERRUPT_ENABLE_BIT ( 1 << 7 )
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/* In the absence of a priority mask register, these functions and macros
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* globally enable and disable interrupts. */
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#define portENTER_CRITICAL() vPortEnterCritical();
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@ -135,9 +132,18 @@ extern uint32_t ulPortSetInterruptMaskFromISR( void );
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* handler for whichever peripheral is used to generate the RTOS tick. */
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void FreeRTOS_Tick_Handler( void );
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/* Any task that uses the floating point unit MUST call vPortTaskUsesFPU()
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* before any floating point instructions are executed. */
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void vPortTaskUsesFPU( void );
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/* If configUSE_TASK_FPU_SUPPORT is set to 1 (or left undefined) then tasks are
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* created without an FPU context and must call vPortTaskUsesFPU() to give
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* themselves an FPU context before using any FPU instructions. If
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* configUSE_TASK_FPU_SUPPORT is set to 2 then all tasks will have an FPU
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* context by default. */
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#if ( configUSE_TASK_FPU_SUPPORT != 2 )
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void vPortTaskUsesFPU( void );
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#else
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/* Each task has an FPU context already, so define this function away to
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* nothing to prevent it from being called accidentally. */
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#define vPortTaskUsesFPU()
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#endif
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#define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU()
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#define portLOWEST_INTERRUPT_PRIORITY ( ( ( uint32_t ) configUNIQUE_INTERRUPT_PRIORITIES ) - 1UL )
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