len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-20 10:08:33 -04:00
Code Issues Projects Releases Packages Wiki Activity

xTaskGetTaskHandle() changed to xTaskGetHandle().

Browse source 
Tidy up CEC1302 demo.
Ensure bit 0 of the task address is clear when setting up stack of initial Cortex-M3/4/7 stacks (for strict compliance, although not practically necessary).
vTaskGetTaskInfo() changed to vTaskGetInfo() - with a macro added for backward compatibility.
This commit is contained in:
Richard Barry 2016-04-15 11:48:07 +00:00
parent ee5386756d
commit 255145bde1
30 changed files with 179 additions and 112 deletions
Download patch file Download diff file Expand all files Collapse all files

12
FreeRTOS/Source/portable/RVDS/ARM_CM7/r0p1/port.c
View file

@ -146,6 +146,10 @@ occurred while the SysTick counter is stopped during tickless idle
calculations. */
#define portMISSED_COUNTS_FACTOR ( 45UL )
/* For strict compliance with the Cortex-M spec the task start address should
have bit-0 clear, as it is loaded into the PC on exit from an ISR. */
#define portSTART_ADDRESS_MASK ( ( StackType_t ) 0xfffffffeUL )
/* Each task maintains its own interrupt status in the critical nesting
variable. */
static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;
@ -231,7 +235,7 @@ StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t px
*pxTopOfStack = portINITIAL_XPSR; /* xPSR */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxCode; /* PC */
*pxTopOfStack = ( ( StackType_t ) pxCode ) & portSTART_ADDRESS_MASK; /* PC */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) prvTaskExitError; /* LR */
@ -346,10 +350,10 @@ BaseType_t xPortStartScheduler( void )
/* Read the value back to see how many bits stuck. */
ucMaxPriorityValue = *pucFirstUserPriorityRegister;
/* The kernel interrupt priority should be set to the lowest
/* The kernel interrupt priority should be set to the lowest
priority. */
configASSERT( ucMaxPriorityValue == ( configKERNEL_INTERRUPT_PRIORITY & ucMaxPriorityValue ) );
/* Use the same mask on the maximum system call priority. */
ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue;
@ -550,6 +554,8 @@ void xPortSysTickHandler( void )
/* Enter a critical section but don't use the taskENTER_CRITICAL()
method as that will mask interrupts that should exit sleep mode. */
__disable_irq();
__dsb( portSY_FULL_READ_WRITE );
__isb( portSY_FULL_READ_WRITE );
/* If a context switch is pending or a task is waiting for the scheduler
to be unsuspended then abandon the low power entry. */