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Add vPortInitialiseFPSCR API

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This commit is contained in:
Rahul Kar 2024-07-08 16:54:13 +05:30
parent d37b605632
commit 886d1fd4ff
2 changed files with 12 additions and 9 deletions
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2
portable/GCC/ARM_CRx_No_GIC/port.c
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@ -319,7 +319,7 @@ void vPortTaskUsesFPU( void )
ulPortTaskHasFPUContext = pdTRUE; ulPortTaskHasFPUContext = pdTRUE;
/* Initialise the floating point status register. */ /* Initialise the floating point status register. */
vSetupFPU(); vPortInitialiseFPSCR();
/*__asm volatile ( "FMXR FPSCR, %0" ::"r" ( ulInitialFPSCR ) : "memory" );*/ /*__asm volatile ( "FMXR FPSCR, %0" ::"r" ( ulInitialFPSCR ) : "memory" );*/
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/

17
portable/GCC/ARM_CRx_No_GIC/portASM.S
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@ -47,6 +47,7 @@
.global FreeRTOS_IRQ_Handler .global FreeRTOS_IRQ_Handler
.global FreeRTOS_SVC_Handler .global FreeRTOS_SVC_Handler
.global vPortRestoreTaskContext .global vPortRestoreTaskContext
.global vPortInitialiseFPSCR
.macro portSAVE_CONTEXT .macro portSAVE_CONTEXT
@ -150,14 +151,16 @@ vPortRestoreTaskContext:
CPS #SYS_MODE CPS #SYS_MODE
portRESTORE_CONTEXT portRESTORE_CONTEXT
/******************************************************************************
* vPortInitialiseFPSCR is used to initialize the FPSCR context.
*****************************************************************************/
.align 4 .align 4
.type vSetupFPU, %function .type vPortInitialiseFPSCR, %function
vSetupFPU: vPortInitialiseFPSCR:
PUSH { R0 } MOV R0, #0
MOV R0, #0x0 FMXR FPSCR, R0
FMXR FPSCR, R0 BX LR
POP { R0 }
BX LR
.align 4 .align 4
.type FreeRTOS_IRQ_Handler, %function .type FreeRTOS_IRQ_Handler, %function