From nobody Mon Dec 23 17:22:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 151559801581740.88811176640536; Wed, 10 Jan 2018 07:26:55 -0800 (PST) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 70E3E222CF1C8; Wed, 10 Jan 2018 07:21:42 -0800 (PST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 3F22F222CF1B6 for ; Wed, 10 Jan 2018 07:21:41 -0800 (PST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jan 2018 07:26:38 -0800 Received: from lgao4-mobl1.ccr.corp.intel.com ([10.254.210.57]) by fmsmga002.fm.intel.com with ESMTP; 10 Jan 2018 07:26:37 -0800 X-Original-To: edk2-devel@lists.01.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=134.134.136.65; helo=mga03.intel.com; envelope-from=liming.gao@intel.com; receiver=edk2-devel@lists.01.org X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,340,1511856000"; d="scan'208";a="9032554" From: Liming Gao To: edk2-devel@lists.01.org Date: Wed, 10 Jan 2018 23:24:29 +0800 Message-Id: <20180110152432.15964-5-liming.gao@intel.com> X-Mailer: git-send-email 2.11.0.windows.1 In-Reply-To: <20180110152432.15964-1-liming.gao@intel.com> References: <20180110152432.15964-1-liming.gao@intel.com> Subject: [edk2] [Patch 4/7] UefiCpuPkg: Update CpuExceptionHandlerLib pass XCODE5 tool chain X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michael Kinney , Laszlo Ersek , Jiewen Yao , Andrew Fish , Eric Dong MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Use the dummy address as jmp destination, and add the logic to fix up the address to the absolute address at boot time. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao Cc: Andrew Fish Cc: Jiewen Yao Cc: Eric Dong Cc: Laszlo Ersek Cc: Michael Kinney --- .../X64/ExceptionHandlerAsm.nasm | 29 ++++++++++++++++--= ---- 1 file changed, 22 insertions(+), 7 deletions(-) diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandler= Asm.nasm b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAs= m.nasm index ba8993d84b..a5fde0a875 100644 --- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.nasm +++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.nasm @@ -1,5 +1,5 @@ ;-------------------------------------------------------------------------= ----- ; -; Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved.
+; Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.
; This program and the accompanying materials ; are licensed and made available under the terms and conditions of the BS= D License ; which accompanies this distribution. The full text of the license may b= e found at @@ -40,7 +40,8 @@ AsmIdtVectorBegin: db 0x6a ; push #VectorNum db ($ - AsmIdtVectorBegin) / ((AsmIdtVectorEnd - AsmIdtVectorBegi= n) / 32) ; VectorNum push rax - mov rax, ASM_PFX(CommonInterruptEntry) + db 0x48, 0xB8 + dq 0 ; mov rax, ASM_PFX(CommonInterruptEntry) jmp rax %endrep AsmIdtVectorEnd: @@ -50,7 +51,9 @@ HookAfterStubHeaderBegin: @VectorNum: db 0 ; 0 will be fixed push rax - mov rax, HookAfterStubHeaderEnd + db 0x48, 0xB8 +JmpAbsoluteAddress: + dq 0 ; mov rax, HookAfterStubHeaderEnd jmp rax HookAfterStubHeaderEnd: mov rax, rsp @@ -260,8 +263,7 @@ HasErrorCode: ; and make sure RSP is 16-byte aligned ; sub rsp, 4 * 8 + 8 - mov rax, ASM_PFX(CommonExceptionHandler) - call rax + call ASM_PFX(CommonExceptionHandler) add rsp, 4 * 8 + 8 =20 cli @@ -369,11 +371,24 @@ DoIret: ; comments here for definition of address map global ASM_PFX(AsmGetTemplateAddressMap) ASM_PFX(AsmGetTemplateAddressMap): - mov rax, AsmIdtVectorBegin + lea rax, [AsmIdtVectorBegin] mov qword [rcx], rax mov qword [rcx + 0x8], (AsmIdtVectorEnd - AsmIdtVectorBegin) / 32 - mov rax, HookAfterStubHeaderBegin + lea rax, [HookAfterStubHeaderBegin] mov qword [rcx + 0x10], rax + +; Fix up CommonInterruptEntry address + lea rax, [ASM_PFX(CommonInterruptEntry)] + lea rcx, [AsmIdtVectorBegin] +%rep 32 + mov qword [rcx + (JmpAbsoluteAddress - HookAfterStubHeaderBegin)], = rax + add rcx, (AsmIdtVectorEnd - AsmIdtVectorBegin) / 32 +%endrep +; Fix up HookAfterStubHeaderEnd + lea rax, [HookAfterStubHeaderEnd] + lea rcx, [JmpAbsoluteAddress] + mov qword [rcx], rax + ret =20 ;-------------------------------------------------------------------------= ------------ --=20 2.11.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel