u-boot/arch/x86/include/asm/interrupt.h
Simon Glass 6f41e0e7bc x86: Provide access to the IDT
Add a function to return the address of the Interrupt Descriptor Table.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2015-04-29 21:02:34 -06:00

43 lines
965 B
C

/*
* (C) Copyright 2009
* Graeme Russ, graeme.russ@gmail.com
*
* (C) Copyright 2002
* Daniel Engström, Omicron Ceti AB, daniel@omicron.se
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_INTERRUPT_H_
#define __ASM_INTERRUPT_H_ 1
#include <asm/types.h>
/* arch/x86/cpu/interrupts.c */
void set_vector(u8 intnum, void *routine);
/* arch/x86/lib/interrupts.c */
void disable_irq(int irq);
void enable_irq(int irq);
/* Architecture specific functions */
void mask_irq(int irq);
void unmask_irq(int irq);
void specific_eoi(int irq);
extern char exception_stack[];
/**
* configure_irq_trigger() - Configure IRQ triggering
*
* Switch the given interrupt to be level / edge triggered
*
* @param int_num legacy interrupt number (3-7, 9-15)
* @param is_level_triggered true for level triggered interrupt, false for
* edge triggered interrupt
*/
void configure_irq_trigger(int int_num, bool is_level_triggered);
void *x86_get_idt(void);
#endif