From nobody Tue Feb 10 20:50:24 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+94427+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+94427+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1664277289; cv=none; d=zohomail.com; s=zohoarc; b=TkJUt17yt4AXdq7mnddxXqVz42tI1Ez/dDatrczqwmP5U2tzu0RiSfo+m+q+shr4kmYKaleRNHKsQpQIIa7tR2nJW/kqLel/FLwOtLP0PO4LQOmY/b5GErvF0EpJnSrlLgjiIGXrGa1eYTq0BjiEXWLH1bOjOwGDiIVu7MgpIJM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1664277289; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=mDkskTbIJOpzyPAIp8ST2uhVc5TXYtdA+NZask8JMFM=; b=JqYuRmGv5ATYBwMhsSFxKvCWfkJ2cEFef4GY04gbI9sXW/jXvpzbgzHuQ8GxTz3vwAazsNZwPcaSG5TMQXbp33Tno0Co3YimB33CCM3nINxaaYxOvV6K2OGupcVOQRe9yNaXz2aFZ3SBwaBISCE7t2LNA2zE2MUKi1NzQqmhK5U= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+94427+1787277+3901457@groups.io Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1664277289118542.766243837895; Tue, 27 Sep 2022 04:14:49 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id C92PYY1788612x52GkFPLixG; Tue, 27 Sep 2022 04:14:48 -0700 X-Received: from loongson.cn (loongson.cn [114.242.206.163]) by mx.groups.io with SMTP id smtpd.web09.9617.1664277287423363089 for ; Tue, 27 Sep 2022 04:14:48 -0700 X-Received: from code-server.gen (unknown [10.2.9.245]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxrmv02jJjirsiAA--.49762S35; Tue, 27 Sep 2022 19:14:46 +0800 (CST) From: "Chao Li" To: devel@edk2.groups.io Cc: Liming Gao , Guomin Jiang , Baoqi Zhang Subject: [edk2-devel] [PATCH v3 33/34] MdeModulePkg/DxeIplPeim : LoongArch DxeIPL implementation. Date: Tue, 27 Sep 2022 19:13:53 +0800 Message-Id: <20220927111354.4107719-34-lichao@loongson.cn> In-Reply-To: <20220927111354.4107719-1-lichao@loongson.cn> References: <20220927111354.4107719-1-lichao@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Cxrmv02jJjirsiAA--.49762S35 X-Coremail-Antispam: 1UD129KBjvJXoWxAF1rArWUKw43Zr17KryxAFb_yoWrGr15pw nYk3yfGr18G34FkrZ8Ja1UXw13Ga95KryUWF4Fvr1F9rWDtF95Wwn0yrWfWFWxA34Ut3yr Wr1F9rykWa4xJaDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnUUvcSsGvfC2KfnxnUUI43ZEXa7xR_UUUUUUUUU== X-CM-SenderInfo: xolfxt3r6o00pqjv00gofq/1tbiAQACCGMxll4dbgAxsT Precedence: Bulk List-Unsubscribe: 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 X-Gm-Message-State: H5pzOLNmLNYLIJkf7i2zJCUWx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1664277288; bh=A6V3Au6qJxEir3BG27EeGy8/n3r4jElhfjBm5qG2gf8=; h=Cc:Date:From:Reply-To:Subject:To; b=TMTY8U7CXSgeC7AzogsiTPMegTIV9f41Oi9d+HhRIc67nDY4PW1Ml3xlIO2V3kHax3s Dn/SreBE6JaMfyqxZwKneCQzRN4RbNGO5M6dD++2u/1GGLXKUYj1ZKj19y2As5kUgod1G ytL/r73fJrzVnomRVKhs202WGO+tIO20HTw= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1664277291404100106 Content-Type: text/plain; charset="utf-8" REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D4053 Implement LoongArch DxeIPL instance. Cc: Liming Gao Cc: Guomin Jiang Signed-off-by: Chao Li Co-authored-by: Baoqi Zhang Reviewed-by: Liming Gao --- MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf | 6 +- .../Core/DxeIplPeim/LoongArch64/DxeLoadFunc.c | 63 +++++++++++++++++++ 2 files changed, 68 insertions(+), 1 deletion(-) create mode 100644 MdeModulePkg/Core/DxeIplPeim/LoongArch64/DxeLoadFunc.c diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf b/MdeModulePkg/Core/Dx= eIplPeim/DxeIpl.inf index 19b8a4c8ae..052ea0ec1a 100644 --- a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf +++ b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf @@ -8,6 +8,7 @@ # Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.
# Copyright (c) 2017, AMD Incorporated. All rights reserved.
# Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All righ= ts reserved.
+# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights= reserved.
# # SPDX-License-Identifier: BSD-2-Clause-Patent # @@ -26,7 +27,7 @@ # # The following information is for reference only and not required by the = build tools. # -# VALID_ARCHITECTURES =3D IA32 X64 EBC (EBC is for build only) = AARCH64 RISCV64 +# VALID_ARCHITECTURES =3D IA32 X64 EBC (EBC is for build only) = AARCH64 RISCV64 LOONGARCH64 # =20 [Sources] @@ -53,6 +54,9 @@ [Sources.RISCV64] RiscV64/DxeLoadFunc.c =20 +[Sources.LOONGARCH64] + LoongArch64/DxeLoadFunc.c + [Packages] MdePkg/MdePkg.dec MdeModulePkg/MdeModulePkg.dec diff --git a/MdeModulePkg/Core/DxeIplPeim/LoongArch64/DxeLoadFunc.c b/MdeMo= dulePkg/Core/DxeIplPeim/LoongArch64/DxeLoadFunc.c new file mode 100644 index 0000000000..95d3af19ea --- /dev/null +++ b/MdeModulePkg/Core/DxeIplPeim/LoongArch64/DxeLoadFunc.c @@ -0,0 +1,63 @@ +/** @file + LoongArch specifc functionality for DxeLoad. + + Copyright (c) 2022, Loongson Technology Corporation Limited. All rights = reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "DxeIpl.h" + +/** + Transfers control to DxeCore. + + This function performs a CPU architecture specific operations to execute + the entry point of DxeCore with the parameters of HobList. + It also installs EFI_END_OF_PEI_PPI to signal the end of PEI phase. + + @param[in] DxeCoreEntryPoint The entry point of DxeCore. + @param[in] HobList The start of HobList passed to Dxe= Core. + +**/ +VOID +HandOffToDxeCore ( + IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint, + IN EFI_PEI_HOB_POINTERS HobList + ) +{ + VOID *BaseOfStack; + VOID *TopOfStack; + EFI_STATUS Status; + + // + // Allocate 128KB for the Stack + // + BaseOfStack =3D AllocatePages (EFI_SIZE_TO_PAGES (STACK_SIZE)); + ASSERT (BaseOfStack !=3D NULL); + + // + // Compute the top of the stack we were allocated. Pre-allocate a UINTN + // for safety. + // + TopOfStack =3D (VOID *)((UINTN)BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SI= ZE) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT); + TopOfStack =3D ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT); + + // + // End of PEI phase signal + // + Status =3D PeiServicesInstallPpi (&gEndOfPeiSignalPpi); + ASSERT_EFI_ERROR (Status); + + // + // Update the contents of BSP stack HOB to reflect the real stack info p= assed to DxeCore. + // + UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN)BaseOfStack, STACK_SIZE); + + SwitchStack ( + (SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint, + HobList.Raw, + NULL, + TopOfStack + ); +} --=20 2.27.0 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#94427): https://edk2.groups.io/g/devel/message/94427 Mute This Topic: https://groups.io/mt/93947390/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-