| /* |
| * Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <kernel.h> |
| #include <kernel_internal.h> |
| #include <logging/log.h> |
| LOG_MODULE_DECLARE(os, CONFIG_KERNEL_LOG_LEVEL); |
| |
| FUNC_NORETURN void z_irq_spurious(const void *unused) |
| { |
| ulong_t mcause; |
| |
| ARG_UNUSED(unused); |
| |
| __asm__ volatile("csrr %0, mcause" : "=r" (mcause)); |
| |
| mcause &= SOC_MCAUSE_EXP_MASK; |
| |
| LOG_ERR("Spurious interrupt detected! IRQ: %ld", mcause); |
| #if defined(CONFIG_RISCV_HAS_PLIC) |
| if (mcause == RISCV_MACHINE_EXT_IRQ) { |
| LOG_ERR("PLIC interrupt line causing the IRQ: %d", |
| riscv_plic_get_irq()); |
| } |
| #endif |
| z_riscv_fatal_error(K_ERR_SPURIOUS_IRQ, NULL); |
| } |
| |
| #ifdef CONFIG_DYNAMIC_INTERRUPTS |
| int arch_irq_connect_dynamic(unsigned int irq, unsigned int priority, |
| void (*routine)(const void *parameter), |
| const void *parameter, uint32_t flags) |
| { |
| ARG_UNUSED(flags); |
| |
| z_isr_install(irq, routine, parameter); |
| |
| #if defined(CONFIG_RISCV_HAS_PLIC) |
| if (irq_get_level(irq) == 2) { |
| irq = irq_from_level_2(irq); |
| |
| riscv_plic_set_priority(irq, priority); |
| } |
| #else |
| ARG_UNUSED(priority); |
| #endif |
| return irq; |
| } |
| #endif /* CONFIG_DYNAMIC_INTERRUPTS */ |