xref: /openbmc/u-boot/arch/x86/cpu/x86_64/interrupts.c (revision e8f80a5a) 
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2016 Google, Inc
4  * Written by Simon Glass <sjg@chromium.org>
5  */
6 
7 #include <common.h>
8 #include <asm/processor-flags.h>
9 
enable_interrupts(void)10 void enable_interrupts(void)
11 {
12 	asm("sti\n");
13 }
14 
disable_interrupts(void)15 int disable_interrupts(void)
16 {
17 	long flags;
18 
19 	asm volatile ("pushfq ; popq %0 ; cli\n" : "=g" (flags) : );
20 
21 	return flags & X86_EFLAGS_IF;
22 }
23 
interrupt_init(void)24 int interrupt_init(void)
25 {
26 	/* Nothing to do - this was already done in SPL */
27 	return 0;
28 }
29