e17b3fd884
For SoC with `CONFIG_RISCV_RESERVED_IRQ_ISR_TABLES_OFFSET`, it should be taken into consideration when disconnecting IRQ. Signed-off-by: Marcin Szymczyk <marcin.szymczyk@nordicsemi.no>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <kernel_internal.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/arch/riscv/csr.h>
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#include <zephyr/irq_multilevel.h>
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#include <zephyr/sw_isr_table.h>
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#ifdef CONFIG_RISCV_HAS_PLIC
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#include <zephyr/drivers/interrupt_controller/riscv_plic.h>
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#endif
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LOG_MODULE_DECLARE(os, CONFIG_KERNEL_LOG_LEVEL);
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FUNC_NORETURN void z_irq_spurious(const void *unused)
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{
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unsigned long mcause;
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ARG_UNUSED(unused);
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mcause = csr_read(mcause);
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mcause &= CONFIG_RISCV_MCAUSE_EXCEPTION_MASK;
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LOG_ERR("Spurious interrupt detected! IRQ: %ld", mcause);
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#if defined(CONFIG_RISCV_HAS_PLIC)
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if (mcause == RISCV_IRQ_MEXT) {
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unsigned int save_irq = riscv_plic_get_irq();
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const struct device *save_dev = riscv_plic_get_dev();
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LOG_ERR("PLIC interrupt line causing the IRQ: %d (%p)", save_irq, save_dev);
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}
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#endif
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z_riscv_fatal_error(K_ERR_SPURIOUS_IRQ, NULL);
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}
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#ifdef CONFIG_DYNAMIC_INTERRUPTS
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int arch_irq_connect_dynamic(unsigned int irq, unsigned int priority,
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void (*routine)(const void *parameter),
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const void *parameter, uint32_t flags)
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{
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z_isr_install(irq + CONFIG_RISCV_RESERVED_IRQ_ISR_TABLES_OFFSET, routine, parameter);
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#if defined(CONFIG_RISCV_HAS_PLIC) || defined(CONFIG_RISCV_HAS_CLIC)
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z_riscv_irq_priority_set(irq, priority, flags);
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#else
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ARG_UNUSED(flags);
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ARG_UNUSED(priority);
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#endif
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return irq;
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}
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#ifdef CONFIG_SHARED_INTERRUPTS
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int arch_irq_disconnect_dynamic(unsigned int irq, unsigned int priority,
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void (*routine)(const void *parameter), const void *parameter,
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uint32_t flags)
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{
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ARG_UNUSED(priority);
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ARG_UNUSED(flags);
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return z_isr_uninstall(irq + CONFIG_RISCV_RESERVED_IRQ_ISR_TABLES_OFFSET, routine,
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parameter);
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}
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#endif /* CONFIG_SHARED_INTERRUPTS */
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#endif /* CONFIG_DYNAMIC_INTERRUPTS */
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