arch/microblaze/kernel/irq.c

Source file repositories/reference/linux-study-clean/arch/microblaze/kernel/irq.c

File Facts

System
Linux kernel
Corpus path
arch/microblaze/kernel/irq.c
Extension
.c
Size
937 bytes
Lines
40
Domain
Architecture Layer
Bucket
arch/microblaze
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#include <linux/init.h>
#include <linux/ftrace.h>
#include <linux/kernel.h>
#include <linux/hardirq.h>
#include <linux/interrupt.h>
#include <linux/irqflags.h>
#include <linux/seq_file.h>
#include <linux/kernel_stat.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/of_irq.h>

void __irq_entry do_IRQ(struct pt_regs *regs)
{
	struct pt_regs *old_regs = set_irq_regs(regs);
	trace_hardirqs_off();

	irq_enter();
	handle_arch_irq(regs);
	irq_exit();
	set_irq_regs(old_regs);
	trace_hardirqs_on();
}

void __init init_IRQ(void)
{
	/* process the entire interrupt tree in one go */
	irqchip_init();
}

Annotation

Implementation Notes