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Complete GCC/Cortex-A9 port.

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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
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15
FreeRTOS/Source/portable/GCC/ARM_CA9/portASM.S
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@ -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