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Diffstat (limited to 'arch/cris/kernel/irq.c')
-rw-r--r-- | arch/cris/kernel/irq.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c deleted file mode 100644 index 726cdf4bf2d8..000000000000 --- a/arch/cris/kernel/irq.c +++ /dev/null @@ -1,72 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * - * linux/arch/cris/kernel/irq.c - * - * Copyright (c) 2000,2007 Axis Communications AB - * - * Authors: Bjorn Wesen (bjornw@axis.com) - * - * This file contains the code used by various IRQ handling routines: - * asking for different IRQs should be done through these routines - * instead of just grabbing them. Thus setups with different IRQ numbers - * shouldn't result in any weird surprises, and installing new handlers - * should be easier. - * - */ - -/* - * IRQs are in fact implemented a bit like signal handlers for the kernel. - * Naturally it's not a 1:1 relation, but there are similarities. - */ - -#include <linux/module.h> -#include <linux/ptrace.h> -#include <linux/irq.h> -#include <linux/sched/debug.h> - -#include <linux/kernel_stat.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/timex.h> -#include <linux/random.h> -#include <linux/init.h> -#include <linux/seq_file.h> -#include <linux/errno.h> -#include <linux/spinlock.h> - -#include <asm/io.h> -#include <arch/system.h> - -/* called by the assembler IRQ entry functions defined in irq.h - * to dispatch the interrupts to registered handlers - */ - -asmlinkage void do_IRQ(int irq, struct pt_regs * regs) -{ - unsigned long sp; - struct pt_regs *old_regs; - - trace_hardirqs_off(); - - old_regs = set_irq_regs(regs); - irq_enter(); - sp = rdsp(); - if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) { - printk("do_IRQ: stack overflow: %lX\n", sp); - show_stack(NULL, (unsigned long *)sp); - } - generic_handle_irq(irq); - irq_exit(); - set_irq_regs(old_regs); -} - -void weird_irq(void) -{ - local_irq_disable(); - printk("weird irq\n"); - while(1); -} - |