len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-04-19 21:11:57 -04:00
Code Issues Packages Projects Releases Wiki Activity

Complete GCC/Cortex-A9 port.

Browse source
This commit is contained in:
Richard Barry 2014-02-04 14:49:48 +00:00
parent c83414ccc4
commit f843888e60
2 changed files with 8 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
FreeRTOS/Source/portable/GCC/ARM_CA9/port.c
View file

@ -110,10 +110,6 @@
#error configMAX_API_CALL_INTERRUPT_PRIORITY must be greater than ( configUNIQUE_INTERRUPT_PRIORITIES / 2 )
#endif
#ifndef configINSTALL_FREERTOS_VECTOR_TABLE
#warning configINSTALL_FREERTOS_VECTOR_TABLE was undefined. Defaulting configINSTALL_FREERTOS_VECTOR_TABLE to 0.
#endif
#ifndef configCLEAR_TICK_INTERRUPT
#define configCLEAR_TICK_INTERRUPT()
#endif
@ -134,8 +130,7 @@ context. */
#define portNO_FLOATING_POINT_CONTEXT ( ( StackType_t ) 0 )
/* Constants required to setup the initial task context. */
#warning FIQ is disabled
#define portINITIAL_SPSR ( ( StackType_t ) 0x5f ) /* System mode, ARM mode, IRQ enabled FIQ disabled. 1f is required to enable FIQ. */
#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, IRQ enabled FIQ enabled. */
#define portTHUMB_MODE_BIT ( ( StackType_t ) 0x20 )
#define portINTERRUPT_ENABLE_BIT ( 0x80UL )
#define portTHUMB_MODE_ADDRESS ( 0x01UL )
@ -334,15 +329,6 @@ uint32_t ulAPSR;
ulAPSR &= portAPSR_MODE_BITS_MASK;
configASSERT( ulAPSR != portAPSR_USER_MODE );
#if configINSTALL_FREERTOS_VECTOR_TABLE == 1
{
extern void vPortInstallFreeRTOSVectorTable( void );
vPortInstallFreeRTOSVectorTable();
}
#endif
if( ulAPSR != portAPSR_USER_MODE )
{
/* Only continue if the binary point value is set to its lowest possible

15
FreeRTOS/Source/portable/GCC/ARM_CA9/portASM.S
View file

@ -53,6 +53,7 @@
*/
.text
.arm
.set SYS_MODE, 0x1f
.set SVC_MODE, 0x13
@ -70,6 +71,7 @@
.extern vTaskSwitchContext
.extern vApplicationIRQHandler
.extern ulPortInterruptNesting
.extern ulPortTaskHasFPUContext
.global FreeRTOS_IRQ_Handler
.global FreeRTOS_SWI_Handler
@ -168,15 +170,20 @@
/******************************************************************************
* SVC handler is used to start the scheduler and yield a task.
*****************************************************************************/
.align 4
.type FreeRTOS_SWI_Handler, %function
FreeRTOS_SWI_Handler:
/* Save the context of the current task and select a new task to run. */
portSAVE_CONTEXT
LDR R0, vTaskSwitchContextConst
BLX R0
.type vPortRestoreTaskContext, %function
vPortRestoreTaskContext:
portRESTORE_CONTEXT
.align 4
.type FreeRTOS_IRQ_Handler, %function
FreeRTOS_IRQ_Handler:
/* Return to the interrupted instruction. */
SUB lr, lr, #4
@ -279,14 +286,6 @@ switch_before_exit:
next. */
portRESTORE_CONTEXT
vPortInstallFreeRTOSVectorTable:
/* Set VBAR to the vector table that contains the FreeRTOS handlers. */
ldr r0, =_freertos_vector_table
mcr p15, 0, r0, c12, c0, 0
dsb
isb
bx lr
ulICCIARConst: .word ulICCIAR
ulICCEOIRConst: .word ulICCEOIR
ulICCPMRConst: .word ulICCPMR