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-rw-r--r--bsps/aarch64/shared/irq/irq-arm-gicv3-aarch64.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/bsps/aarch64/shared/irq/irq-arm-gicv3-aarch64.c b/bsps/aarch64/shared/irq/irq-arm-gicv3-aarch64.c
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index 0000000000..fe74bf46bd
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+++ b/bsps/aarch64/shared/irq/irq-arm-gicv3-aarch64.c
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64Shared
+ *
+ * @brief AArch64-specific ARM GICv3 handlers.
+ */
+
+/*
+ * Copyright (C) 2020 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * 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.
+ *
+ * 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-irq.h>
+#include <bsp/irq-generic.h>
+#include <rtems/score/cpu_irq.h>
+
+void arm_interrupt_handler_dispatch(rtems_vector_number vector)
+{
+ uint32_t interrupt_level = _CPU_ISR_Get_level();
+ AArch64_interrupt_enable(1);
+ bsp_interrupt_handler_dispatch(vector);
+ _CPU_ISR_Set_level(interrupt_level);
+}
+
+void arm_interrupt_facility_set_exception_handler(void)
+{
+ AArch64_set_exception_handler(
+ AARCH64_EXCEPTION_SPx_IRQ,
+ _AArch64_Exception_interrupt_no_nest
+ );
+ AArch64_set_exception_handler(
+ AARCH64_EXCEPTION_SP0_IRQ,
+ _AArch64_Exception_interrupt_nest
+ );
+}
+
+void bsp_interrupt_dispatch(void)
+{
+ gicv3_interrupt_dispatch();
+}