| /* |
| * Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <toolchain.h> |
| #include <kernel_structs.h> |
| #include <misc/printk.h> |
| |
| void z_irq_spurious(void *unused) |
| { |
| u32_t mcause; |
| |
| ARG_UNUSED(unused); |
| |
| __asm__ volatile("csrr %0, mcause" : "=r" (mcause)); |
| |
| mcause &= SOC_MCAUSE_EXP_MASK; |
| |
| printk("Spurious interrupt detected! IRQ: %d\n", (int)mcause); |
| #if defined(CONFIG_RISCV_HAS_PLIC) |
| if (mcause == RISCV_MACHINE_EXT_IRQ) { |
| printk("PLIC interrupt line causing the IRQ: %d\n", |
| riscv_plic_get_irq()); |
| } |
| #endif |
| |
| z_NanoFatalErrorHandler(_NANO_ERR_SPURIOUS_INT, &_default_esf); |
| } |
| |
| #ifdef CONFIG_DYNAMIC_INTERRUPTS |
| int z_arch_irq_connect_dynamic(unsigned int irq, unsigned int priority, |
| void (*routine)(void *parameter), void *parameter, |
| u32_t flags) |
| { |
| ARG_UNUSED(flags); |
| |
| z_isr_install(irq, routine, parameter); |
| #if defined(CONFIG_RISCV_HAS_PLIC) |
| riscv_plic_set_priority(irq, priority); |
| #else |
| ARG_UNUSED(priority); |
| #endif |
| return irq; |
| } |
| #endif /* CONFIG_DYNAMIC_INTERRUPTS */ |