Files
Linux_Drivers/u-boot-2021.10/arch/x86/include/asm/microcode.h
sam.xiang f8fc109960 [uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-03-10 20:30:57 +08:00

36 lines
792 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2015 Google, Inc
*/
#ifndef __ASM_ARCH_MICROCODE_H
#define __ASM_ARCH_MICROCODE_H
#ifndef __ASSEMBLY__
/* This is a declaration for ucode_base in start.S */
extern u32 ucode_base;
extern u32 ucode_size;
/**
* microcode_update_intel() - Apply microcode updates
*
* Applies any microcode updates in the device tree.
*
* @return 0 if OK, -EEXIST if the updates were already applied, -ENOENT if
* not updates were found, -EINVAL if an update was invalid
*/
int microcode_update_intel(void);
/**
* microcode_read_rev() - Read the microcode version
*
* This reads the microcode version of the currently running CPU
*
* @return microcode version number
*/
int microcode_read_rev(void);
#endif /* __ASSEMBLY__ */
#endif