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First update of vPortTaskUsesFPU API

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kar-rahul-aws 2024-07-08 14:42:46 +05:30
parent 0452603a94
commit d37b605632
2 changed files with 13 additions and 3 deletions
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5
portable/GCC/ARM_CRx_No_GIC/port.c
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@ -312,13 +312,14 @@ void FreeRTOS_Tick_Handler( void )
void vPortTaskUsesFPU( void )
{
uint32_t ulInitialFPSCR = 0;
//uint32_t ulInitialFPSCR = 0;
/* A task is registering the fact that it needs an FPU context. Set the
* FPU flag (which is saved as part of the task context). */
ulPortTaskHasFPUContext = pdTRUE;
/* Initialise the floating point status register. */
__asm volatile ( "FMXR FPSCR, %0" ::"r" ( ulInitialFPSCR ) : "memory" );
vSetupFPU();
/*__asm volatile ( "FMXR FPSCR, %0" ::"r" ( ulInitialFPSCR ) : "memory" );*/
}
/*-----------------------------------------------------------*/

9
portable/GCC/ARM_CRx_No_GIC/portASM.S
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@ -150,6 +150,15 @@ vPortRestoreTaskContext:
CPS #SYS_MODE
portRESTORE_CONTEXT
.align 4
.type vSetupFPU, %function
vSetupFPU:
PUSH { R0 }
MOV R0, #0x0
FMXR FPSCR, R0
POP { R0 }
BX LR
.align 4
.type FreeRTOS_IRQ_Handler, %function
FreeRTOS_IRQ_Handler: