From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752363Ab2LUCvL (ORCPT ); Thu, 20 Dec 2012 21:51:11 -0500 Received: from mga01.intel.com ([192.55.52.88]:39623 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752197Ab2LUCur (ORCPT ); Thu, 20 Dec 2012 21:50:47 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,327,1355126400"; d="scan'208";a="265338758" From: "Fenghua Yu" To: "H Peter Anvin" , "Ingo Molnar" , "Thomas Gleixner" , "Asit K Mallick" , "Tigran Aivazian" , "Yinghai Lu" , "Andreas Herrmann" , "Borislav Petkov" , "linux-kernel" , "x86" Cc: "Fenghua Yu" Subject: [PATCH v4 08/11] x86/head_32.S: Early update ucode in 32-bit Date: Thu, 20 Dec 2012 11:48:10 -0800 Message-Id: <1356032893-2730-9-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 1.7.2 In-Reply-To: <1356032893-2730-1-git-send-email-fenghua.yu@intel.com> References: <1356032893-2730-1-git-send-email-fenghua.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Fenghua Yu This updates ucode in 32-bit kernel. At this point, there is no paging and no virtual address yet. Signed-off-by: Fenghua Yu --- arch/x86/kernel/head_32.S | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 8e7f655..fdc11f6 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -144,6 +144,12 @@ ENTRY(startup_32) movl %eax, pa(olpc_ofw_pgd) #endif +#ifdef CONFIG_MICROCODE_EARLY + /* Early load ucode on BSP. */ + movl $pa(boot_params), %eax + call load_ucode_bsp +#endif + /* * Initialize page tables. This creates a PDE and a set of page * tables, which are located immediately beyond __brk_base. The variable @@ -299,6 +305,12 @@ ENTRY(startup_32_smp) movl %eax,%ss leal -__PAGE_OFFSET(%ecx),%esp +#ifdef CONFIG_MICROCODE_EARLY + /* Early load ucode on AP. */ + call load_ucode_ap +#endif + + default_entry: /* * New page tables may be in 4Mbyte page mode and may -- 1.8.0.1