From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id BBDE77803CE for ; Fri, 12 Jan 2024 08:23:04 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=o01ylUfYTwp/Adbjugj27nDD8+Cp5cT13NcYByKo5UA=; c=relaxed/simple; d=groups.io; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:MIME-Version:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Transfer-Encoding; s=20140610; t=1705047783; v=1; b=orZhSuPbjHnE5Ao1YkNexUWg5k6+LmzwJHClS/XfouiXOC6T1nih7v5P2npP1w5qwMtklR54 Ewewk89mt6EYdKq4XSS0+wrHg4gJ/pp1qb+LW8WNxy1r9b9X8DUnM+sjAZR0AHt/GLUnJ2uyyyT nUV7BJ/J2Z0wiRL3kwc0V+dk= X-Received: by 127.0.0.2 with SMTP id BW1jYY7687511xQyKtRqFalu; Fri, 12 Jan 2024 00:23:03 -0800 X-Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by mx.groups.io with SMTP id smtpd.web11.2999.1705047782079332872 for ; Fri, 12 Jan 2024 00:23:02 -0800 X-Received: from loongson.cn (unknown [10.2.9.245]) by gateway (Coremail) with SMTP id _____8DxOuji9qBlw30EAA--.4855S3; Fri, 12 Jan 2024 16:22:58 +0800 (CST) X-Received: from code-server.gen (unknown [10.2.9.245]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxXN7g9qBl14cTAA--.50738S2; Fri, 12 Jan 2024 16:22:56 +0800 (CST) From: "Chao Li" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Zhiguang Liu Subject: [edk2-devel] [PATCH v7 03/37] MdePkg: Add LoongArch64 exception function set into BaseLib Date: Fri, 12 Jan 2024 16:22:55 +0800 Message-Id: <20240112082255.3285742-1-lichao@loongson.cn> In-Reply-To: <20240112082153.3284189-1-lichao@loongson.cn> References: <20240112082153.3284189-1-lichao@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxXN7g9qBl14cTAA--.50738S2 X-CM-SenderInfo: xolfxt3r6o00pqjv00gofq/1tbiAQAOCGWgj6kGSgALsj X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,lichao@loongson.cn List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: ZHk2FvBq7JMX0ErBBmgUfgeyx7686176AA= Content-Transfer-Encoding: 8bit X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=orZhSuPb; dmarc=none; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io Adding SetExceptionBaseAddress and SetTlbRebaseAddress functions for LoongArch64. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584 Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Signed-off-by: Chao Li Acked-by: Michael D Kinney Reviewed-by: Liming Gao --- MdePkg/Include/Library/BaseLib.h | 20 +++++++++ MdePkg/Library/BaseLib/BaseLib.inf | 1 + .../BaseLib/LoongArch64/ExceptionBase.S | 41 +++++++++++++++++++ 3 files changed, 62 insertions(+) create mode 100644 MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h index ca0d06c7f3..7117c4288f 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -287,6 +287,26 @@ typedef struct { #define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 +/* + * Set the exception base address for LoongArch. + * + * @param ExceptionBaseAddress The exception base address, must be aligned greater than or qeual to 4K . + */ +VOID +SetExceptionBaseAddress ( + IN UINT64 + ); + +/* + * Set the TlbRebase address for LoongArch. + * + * @param TlbRebaseAddress The TlbRebase address, must be aligned greater than or qeual to 4K . + */ +VOID +SetTlbRebaseAddress ( + IN UINT64 + ); + #endif // defined (MDE_CPU_LOONGARCH64) // diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 6b46949be3..22b38b59e7 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -420,6 +420,7 @@ LoongArch64/CpuPause.S | GCC LoongArch64/SetJumpLongJump.S | GCC LoongArch64/SwitchStack.S | GCC + LoongArch64/ExceptionBase.S | GCC [Packages] MdePkg/MdePkg.dec diff --git a/MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S b/MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S new file mode 100644 index 0000000000..b6e90a8f28 --- /dev/null +++ b/MdePkg/Library/BaseLib/LoongArch64/ExceptionBase.S @@ -0,0 +1,41 @@ +#------------------------------------------------------------------------------ +# +# LoongArch set exception base address operations +# +# Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#------------------------------------------------------------------------------ + +#include +#include + +ASM_GLOBAL ASM_PFX(SetExceptionBaseAddress) +ASM_GLOBAL ASM_PFX(SetTlbRebaseAddress) + +#/** +# Set the exception base address for LoongArch. +# +# @param ExceptionBaseAddress The exception base address, must be aligned greater than or qeual to 4K . +#**/ +ASM_PFX(SetExceptionBaseAddress): + csrrd $t0, LOONGARCH_CSR_ECFG + li.d $t1, ~(BIT16 | BIT17 | BIT18) + and $t0, $t0, $t1 + csrwr $t0, LOONGARCH_CSR_ECFG + + move $t0, $a0 + csrwr $t0, LOONGARCH_CSR_EBASE + jirl $zero, $ra, 0 + +#/** +# Set the TlbRebase address for LoongArch. +# +# @param TlbRebaseAddress The TlbRebase address, must be aligned greater than or qeual to 4K . +#**/ +ASM_PFX(SetTlbRebaseAddress): + move $t0, $a0 + csrwr $t0, LOONGARCH_CSR_TLBREBASE + jirl $zero, $ra, 0 +.end -- 2.27.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#113656): https://edk2.groups.io/g/devel/message/113656 Mute This Topic: https://groups.io/mt/103679430/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-