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/**
* @file
*
* @ingroup arm_gic
*
* @brief ARM GIC IRQ
*/
/*
* Copyright (c) 2013 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <info@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBBSP_ARM_SHARED_ARM_GIC_IRQ_H
#define LIBBSP_ARM_SHARED_ARM_GIC_IRQ_H
#include <bsp.h>
#include <bsp/arm-gic.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define ARM_GIC_IRQ_SGI_0 0
#define ARM_GIC_IRQ_SGI_1 1
#define ARM_GIC_IRQ_SGI_2 2
#define ARM_GIC_IRQ_SGI_3 3
#define ARM_GIC_IRQ_SGI_5 5
#define ARM_GIC_IRQ_SGI_6 6
#define ARM_GIC_IRQ_SGI_7 7
#define ARM_GIC_IRQ_SGI_8 8
#define ARM_GIC_IRQ_SGI_9 9
#define ARM_GIC_IRQ_SGI_10 10
#define ARM_GIC_IRQ_SGI_11 11
#define ARM_GIC_IRQ_SGI_12 12
#define ARM_GIC_IRQ_SGI_13 13
#define ARM_GIC_IRQ_SGI_14 14
#define ARM_GIC_IRQ_SGI_15 15
#define ARM_GIC_DIST ((volatile gic_dist *) BSP_ARM_GIC_DIST_BASE)
rtems_status_code arm_gic_irq_set_priority(
rtems_vector_number vector,
uint8_t priority
);
rtems_status_code arm_gic_irq_get_priority(
rtems_vector_number vector,
uint8_t *priority
);
typedef enum {
ARM_GIC_IRQ_SOFTWARE_IRQ_TO_ALL_IN_LIST,
ARM_GIC_IRQ_SOFTWARE_IRQ_TO_ALL_EXCEPT_SELF,
ARM_GIC_IRQ_SOFTWARE_IRQ_TO_SELF
} arm_gic_irq_software_irq_target_filter;
static inline rtems_status_code arm_gic_irq_generate_software_irq(
rtems_vector_number vector,
arm_gic_irq_software_irq_target_filter filter,
uint8_t targets
)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
if (vector <= ARM_GIC_IRQ_SGI_15) {
volatile gic_dist *dist = ARM_GIC_DIST;
dist->icdsgir = GIC_DIST_ICDSGIR_TARGET_LIST_FILTER(filter)
| GIC_DIST_ICDSGIR_CPU_TARGET_LIST(targets)
| GIC_DIST_ICDSGIR_SGIINTID(vector);
} else {
sc = RTEMS_INVALID_ID;
}
return sc;
}
static inline uint32_t arm_gic_irq_processor_count(void)
{
volatile gic_dist *dist = ARM_GIC_DIST;
return GIC_DIST_ICDICTR_CPU_NUMBER_GET(dist->icdictr) + 1;
}
void arm_gic_irq_initialize_secondary_cpu(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_SHARED_ARM_GIC_IRQ_H */
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