diff options
| author | danicampora | 2015-03-02 14:11:02 +0100 |
|---|---|---|
| committer | danicampora | 2015-03-11 16:59:29 +0100 |
| commit | 26cbc91373cdfff43317da01e102617ed5885655 (patch) | |
| tree | 21291ed917e4452d0712de1d270b1eb2f60a24ff /cc3200/FreeRTOS/Source/portable | |
| parent | 02fda44a30d114dbcead18df44c3ec3aefec61cd (diff) | |
cc3200: Place functions only used while booting in a special section.
Such functions are never used after MicroPython has started, and they
remain in RAM wasting space. Now they are placed in a special section
named "boot" which sits just before the heap, allowing us to extend
the effective heap area up to the new boot section. Right now, this
gives us back ~1K, but in the future, more functions might end up in
there as well.
Diffstat (limited to 'cc3200/FreeRTOS/Source/portable')
| -rw-r--r-- | cc3200/FreeRTOS/Source/portable/GCC/ARM_CM3/port.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cc3200/FreeRTOS/Source/portable/GCC/ARM_CM3/port.c b/cc3200/FreeRTOS/Source/portable/GCC/ARM_CM3/port.c index b287f7df9..8c94d7d79 100644 --- a/cc3200/FreeRTOS/Source/portable/GCC/ARM_CM3/port.c +++ b/cc3200/FreeRTOS/Source/portable/GCC/ARM_CM3/port.c @@ -202,6 +202,7 @@ static void prvTaskExitError( void ); /* * See header file for description. */ +__attribute__ ((section (".boot"))) StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) { /* Simulate the stack frame as it would be created by a context switch @@ -220,6 +221,7 @@ StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t px } /*-----------------------------------------------------------*/ +__attribute__ ((section (".boot"))) static void prvTaskExitError( void ) { /* A function that implements a task must not exit or attempt to return to @@ -254,6 +256,7 @@ void vPortSVCHandler( void ) } /*-----------------------------------------------------------*/ +__attribute__ ((section (".boot"))) static void prvPortStartFirstTask( void ) { __asm volatile( @@ -274,6 +277,7 @@ static void prvPortStartFirstTask( void ) /* * See header file for description. */ +__attribute__ ((section (".boot"))) BaseType_t xPortStartScheduler( void ) { /* configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to 0. @@ -643,6 +647,7 @@ void xPortSysTickHandler( void ) * Setup the systick timer to generate the tick interrupts at the required * frequency. */ +__attribute__ ((section (".boot"))) __attribute__(( weak )) void vPortSetupTimerInterrupt( void ) { /* Calculate the constants required to configure the tick interrupt. */ |