diff options
Diffstat (limited to 'bsps/shared/dev/irq')
| -rw-r--r-- | bsps/shared/dev/irq/arm-gicv2-get-attributes.c | 7 | ||||
| -rw-r--r-- | bsps/shared/dev/irq/arm-gicv2-zynqmp.c | 6 | ||||
| -rw-r--r-- | bsps/shared/dev/irq/arm-gicv2.c | 67 | ||||
| -rw-r--r-- | bsps/shared/dev/irq/arm-gicv3.c | 35 |
4 files changed, 92 insertions, 23 deletions
diff --git a/bsps/shared/dev/irq/arm-gicv2-get-attributes.c b/bsps/shared/dev/irq/arm-gicv2-get-attributes.c index 8a1351bbe5..613174bb3a 100644 --- a/bsps/shared/dev/irq/arm-gicv2-get-attributes.c +++ b/bsps/shared/dev/irq/arm-gicv2-get-attributes.c @@ -3,13 +3,14 @@ /** * @file * - * @ingroup RTEMSBSPsShared + * @ingroup DevIRQGIC * - * @brief This source file contains the interrupt get attribute implementation. + * @brief This source file contains the implementation of + * bsp_interrupt_get_attributes() for the GICv2. */ /* - * Copyright (c) 2013, 2021 embedded brains GmbH. All rights reserved. + * Copyright (C) 2013, 2021 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions diff --git a/bsps/shared/dev/irq/arm-gicv2-zynqmp.c b/bsps/shared/dev/irq/arm-gicv2-zynqmp.c index ee4479155a..bb9bfafb48 100644 --- a/bsps/shared/dev/irq/arm-gicv2-zynqmp.c +++ b/bsps/shared/dev/irq/arm-gicv2-zynqmp.c @@ -3,9 +3,11 @@ /** * @file * - * @ingroup RTEMSBSPsShared + * @ingroup DevIRQGIC * - * @brief This source file contains the interrupt get attribute implementation. + * @brief This source file contains the implementation of + * bsp_interrupt_get_attributes() for the GICv2 of Xilinx Zynq UltraScale+ + * MPSoC and RFSoC devices. */ /* diff --git a/bsps/shared/dev/irq/arm-gicv2.c b/bsps/shared/dev/irq/arm-gicv2.c index 49aa6c2455..263278148b 100644 --- a/bsps/shared/dev/irq/arm-gicv2.c +++ b/bsps/shared/dev/irq/arm-gicv2.c @@ -1,17 +1,53 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup DevIRQGIC + * + * @brief This source file contains the implementation of the generic GICv2 + * support. + */ + /* - * Copyright (c) 2013, 2021 embedded brains GmbH. All rights reserved. + * Copyright (C) 2013, 2021 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #include <dev/irq/arm-gic.h> #include <dev/irq/arm-gic-arch.h> -#include <bsp/irq.h> #include <bsp/irq-generic.h> #include <bsp/start.h> +#include <rtems/score/processormaskimpl.h> + +/* + * The GIC architecture reserves interrupt ID numbers 1020 to 1023 for special + * purposes. + */ +#if BSP_INTERRUPT_VECTOR_COUNT >= 1020 +#error "BSP_INTERRUPT_VECTOR_COUNT is too large" +#endif #define GIC_CPUIF ((volatile gic_cpuif *) BSP_ARM_GIC_CPUIF_BASE) @@ -47,12 +83,19 @@ void bsp_interrupt_dispatch(void) { volatile gic_cpuif *cpuif = GIC_CPUIF; - uint32_t icciar = cpuif->icciar; - rtems_vector_number vector = GIC_CPUIF_ICCIAR_ACKINTID_GET(icciar); - rtems_vector_number spurious = 1023; - if (vector != spurious) { - arm_interrupt_handler_dispatch(vector); + while (true) { + uint32_t icciar = cpuif->icciar; + rtems_vector_number vector = GIC_CPUIF_ICCIAR_ACKINTID_GET(icciar); + uint32_t status; + + if (!bsp_interrupt_is_valid_vector(vector)) { + break; + } + + status = arm_interrupt_enable_interrupts(); + bsp_interrupt_handler_dispatch_unchecked(vector); + arm_interrupt_restore_interrupts(status); cpuif->icceoir = icciar; } @@ -301,6 +344,7 @@ rtems_status_code arm_gic_irq_get_group( return sc; } +#ifdef RTEMS_SMP rtems_status_code bsp_interrupt_set_affinity( rtems_vector_number vector, const Processor_mask *affinity @@ -360,6 +404,7 @@ rtems_status_code bsp_interrupt_get_affinity( _Processor_mask_From_uint32_t(affinity, targets, 0); return RTEMS_SUCCESSFUL; } +#endif void arm_gic_trigger_sgi(rtems_vector_number vector, uint32_t targets) { @@ -373,9 +418,11 @@ void arm_gic_trigger_sgi(rtems_vector_number vector, uint32_t targets) | GIC_DIST_ICDSGIR_SGIINTID(vector); } +#ifdef RTEMS_SMP 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; } +#endif diff --git a/bsps/shared/dev/irq/arm-gicv3.c b/bsps/shared/dev/irq/arm-gicv3.c index 4772ff5db4..958b1061bd 100644 --- a/bsps/shared/dev/irq/arm-gicv3.c +++ b/bsps/shared/dev/irq/arm-gicv3.c @@ -1,6 +1,15 @@ -/* - * SPDX-License-Identifier: BSD-2-Clause +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup DevIRQGIC * + * @brief This source file contains the implementation of the generic GICv3 + * support. + */ + +/* * Copyright (C) 2019 On-Line Applications Research Corporation (OAR) * * Redistribution and use in source and binary forms, with or without @@ -27,18 +36,24 @@ #include <dev/irq/arm-gicv3.h> -#include <bsp/irq.h> #include <bsp/irq-generic.h> #include <bsp/start.h> +#include <rtems/score/processormaskimpl.h> void bsp_interrupt_dispatch(void) { - uint32_t icciar = READ_SR(ICC_IAR1); - rtems_vector_number vector = GIC_CPUIF_ICCIAR_ACKINTID_GET(icciar); - rtems_vector_number spurious = 1023; + while (true) { + uint32_t icciar = READ_SR(ICC_IAR1); + rtems_vector_number vector = GIC_CPUIF_ICCIAR_ACKINTID_GET(icciar); + uint32_t status; - if (vector != spurious) { - arm_interrupt_handler_dispatch(vector); + if (!bsp_interrupt_is_valid_vector(vector)) { + break; + } + + status = arm_interrupt_enable_interrupts(); + bsp_interrupt_handler_dispatch_unchecked(vector); + arm_interrupt_restore_interrupts(status); WRITE_SR(ICC_EOIR1, icciar); } @@ -242,6 +257,7 @@ rtems_status_code arm_gic_irq_get_priority( return sc; } +#ifdef RTEMS_SMP rtems_status_code bsp_interrupt_set_affinity( rtems_vector_number vector, const Processor_mask *affinity @@ -274,12 +290,14 @@ rtems_status_code bsp_interrupt_get_affinity( _Processor_mask_From_uint32_t(affinity, targets, 0); return RTEMS_SUCCESSFUL; } +#endif void arm_gic_trigger_sgi(rtems_vector_number vector, uint32_t targets) { gicv3_trigger_sgi(vector, targets); } +#ifdef RTEMS_SMP uint32_t arm_gic_irq_processor_count(void) { volatile gic_dist *dist = ARM_GIC_DIST; @@ -306,3 +324,4 @@ uint32_t arm_gic_irq_processor_count(void) return cpu_count; } +#endif |