diff options
Diffstat (limited to 'roms/u-boot/arch/x86/cpu/x86_64/interrupts.c')
-rw-r--r-- | roms/u-boot/arch/x86/cpu/x86_64/interrupts.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/cpu/x86_64/interrupts.c b/roms/u-boot/arch/x86/cpu/x86_64/interrupts.c new file mode 100644 index 000000000..634f7660c --- /dev/null +++ b/roms/u-boot/arch/x86/cpu/x86_64/interrupts.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2016 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + */ + +#include <common.h> +#include <irq_func.h> +#include <asm/processor-flags.h> + +void enable_interrupts(void) +{ + asm("sti\n"); +} + +int disable_interrupts(void) +{ + long flags; + + asm volatile ("pushfq ; popq %0 ; cli\n" : "=g" (flags) : ); + + return flags & X86_EFLAGS_IF; +} + +int interrupt_init(void) +{ + /* Nothing to do - this was already done in SPL */ + return 0; +} |