| Simon Glass | efedba7 | 2017-01-16 07:03:58 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2016 Google, Inc |
| 3 | * Written by Simon Glass <sjg@chromium.org> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/processor-flags.h> |
| 10 | |
| 11 | void enable_interrupts(void) |
| 12 | { |
| 13 | asm("sti\n"); |
| 14 | } |
| 15 | |
| 16 | int disable_interrupts(void) |
| 17 | { |
| 18 | long flags; |
| 19 | |
| 20 | asm volatile ("pushfq ; popq %0 ; cli\n" : "=g" (flags) : ); |
| 21 | |
| 22 | return flags & X86_EFLAGS_IF; |
| 23 | } |
| 24 | |
| 25 | int interrupt_init(void) |
| 26 | { |
| 27 | /* Nothing to do - this was already done in SPL */ |
| 28 | return 0; |
| 29 | } |