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bsps/sparc: Improve interrupt affinity support

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Fully support the interrupt extension API to set/get the interrupt affinity.
Remove LEON3_irq_to_cpu which defined the interrupt to processor mapping in a
BSP-specific way.

Update #3269.
This commit is contained in:
Sebastian Huber
2021-07-02 10:00:08 +02:00
parent 7b2d5699be
commit c7b3df3f51
4 changed files with 143 additions and 67 deletions
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36
bsps/sparc/shared/irq/irq-shared.c
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@@ -8,54 +8,42 @@
*
*/
#include <rtems.h>
#include <bsp.h>
#include <bsp/irq-generic.h>
#if defined(RTEMS_SMP) && defined(LEON3)
/* Interrupt to CPU map. Default to CPU0 since in BSS. */
const unsigned char LEON3_irq_to_cpu[32] __attribute__((weak));
static inline int bsp_irq_cpu(int irq)
{
#if defined(RTEMS_SMP)
Processor_mask affinity;
/* On SMP use map table above relative to SMP Boot CPU (normally CPU0) */
static inline int bsp_irq_cpu(int irq)
{
/* protect from bad user configuration, default to boot cpu */
if (rtems_configuration_get_maximum_processors() <= LEON3_irq_to_cpu[irq])
return LEON3_Cpu_Index;
else
return LEON3_Cpu_Index + LEON3_irq_to_cpu[irq];
}
#else
/* when not SMP the local CPU is returned */
static inline int bsp_irq_cpu(int irq)
{
#ifdef LEON3
bsp_interrupt_get_affinity((rtems_vector_number) irq, &affinity);
return (int) _Processor_mask_Find_last_set(&affinity);
#elif defined(LEON3)
return _LEON3_Get_current_processor();
#else
return 0;
#endif
}
#endif
/* Callback from bsp_interrupt_initialize() */
#if !defined(LEON3)
rtems_status_code bsp_interrupt_facility_initialize(void)
{
/* Nothing to do */
return RTEMS_SUCCESSFUL;
}
void bsp_interrupt_vector_enable(rtems_vector_number vector)
{
int irq = (int)vector;
bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
BSP_Cpu_Unmask_interrupt(irq, bsp_irq_cpu(irq));
BSP_Cpu_Unmask_interrupt(vector, 0);
}
void bsp_interrupt_vector_disable(rtems_vector_number vector)
{
int irq = (int)vector;
bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
BSP_Cpu_Mask_interrupt(irq, bsp_irq_cpu(irq));
BSP_Cpu_Mask_interrupt(vector, 0);
}
#endif
void BSP_shared_interrupt_mask(int irq)
{