From nobody Sun Feb 8 17:22:39 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+90755+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+90755+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1656212777191123.74394218541079; Sat, 25 Jun 2022 20:06:17 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id 0XfMYY1788612xkIrfjG5drf; Sat, 25 Jun 2022 20:06:16 -0700 X-Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mx.groups.io with SMTP id smtpd.web09.26612.1656212770864849318 for ; Sat, 25 Jun 2022 20:06:16 -0700 X-IronPort-AV: E=McAfee;i="6400,9594,10389"; a="367554827" X-IronPort-AV: E=Sophos;i="5.92,223,1650956400"; d="scan'208";a="367554827" X-Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2022 20:06:16 -0700 X-IronPort-AV: E=Sophos;i="5.92,223,1650956400"; d="scan'208";a="645862100" X-Received: from mxu9-mobl1.ccr.corp.intel.com ([10.255.30.236]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2022 20:06:14 -0700 From: "Min Xu" To: devel@edk2.groups.io Cc: Min M Xu , Leif Lindholm , Ard Biesheuvel , Abner Chang , Daniel Schaefer , Gerd Hoffmann Subject: [edk2-devel] [PATCH V2 3/8] EmbeddedPkg: Add AllocateRuntimePages in PrePiMemoryAllocationLib Date: Sun, 26 Jun 2022 11:05:52 +0800 Message-Id: In-Reply-To: References: MIME-Version: 1.0 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,min.m.xu@intel.com X-Gm-Message-State: AWAxNPB4T0dgCfs3KctQm6swx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1656212776; bh=gc07khwYrzIY4ii1F6m4xBSbcMLWE9J+oXq2BYnxWwI=; h=Cc:Date:From:Reply-To:Subject:To; b=hj14vDjQG9GbUkdfj5ezD9PpS6fbksrV5q+yCR9arfjz5sKZdwtD0o6OFtOGXGW4++e Xw+Dhjt6NtIEaMnSsxR2bUYenxtjsmx1is93B346bbNN1mC7yaBXpxx+Pc6PitLOHmdVC 9NS0CC7FDAJSrX8KARLHVWi7dip5YpPxMTE= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1656212777454100012 Content-Type: text/plain; charset="utf-8" From: Min M Xu AllocateRuntimePages is used to allocate one or more 4KB pages of type EfiRuntimeServicesData. Cc: Leif Lindholm Cc: Ard Biesheuvel Cc: Abner Chang Cc: Daniel Schaefer Cc: Gerd Hoffmann Signed-off-by: Min Xu Reviewed-by: Ard Biesheuvel --- EmbeddedPkg/Include/Library/PrePiLib.h | 19 ++++++ .../MemoryAllocationLib.c | 64 ++++++++++++++----- 2 files changed, 67 insertions(+), 16 deletions(-) diff --git a/EmbeddedPkg/Include/Library/PrePiLib.h b/EmbeddedPkg/Include/L= ibrary/PrePiLib.h index 7b2cea296f1c..3741b08c4478 100644 --- a/EmbeddedPkg/Include/Library/PrePiLib.h +++ b/EmbeddedPkg/Include/Library/PrePiLib.h @@ -665,6 +665,25 @@ AllocatePages ( IN UINTN Pages ); =20 +/** + Allocates one or more 4KB pages of type EfiRuntimeServicesData. + + Allocates the number of 4KB pages of type EfiRuntimeServicesData and ret= urns a pointer to the + allocated buffer. The buffer returned is aligned on a 4KB boundary. If= Pages is 0, then NULL + is returned. If there is not enough memory remaining to satisfy the req= uest, then NULL is + returned. + + @param Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateRuntimePages ( + IN UINTN Pages + ); + /** Allocates a buffer of type EfiBootServicesData. =20 diff --git a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationL= ib.c b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c index 78f8da5e9527..9d7b34ad28fa 100644 --- a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c +++ b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c @@ -14,23 +14,11 @@ #include #include =20 -/** - Allocates one or more 4KB pages of type EfiBootServicesData. - - Allocates the number of 4KB pages of MemoryType and returns a pointer to= the - allocated buffer. The buffer returned is aligned on a 4KB boundary. If= Pages is 0, then NULL - is returned. If there is not enough memory remaining to satisfy the req= uest, then NULL is - returned. - - @param Pages The number of 4 KB pages to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ VOID * EFIAPI -AllocatePages ( - IN UINTN Pages +InternalAllocatePages ( + IN UINTN Pages, + IN EFI_MEMORY_TYPE MemoryType ) { EFI_PEI_HOB_POINTERS Hob; @@ -65,12 +53,56 @@ AllocatePages ( BuildMemoryAllocationHob ( Hob.HandoffInformationTable->EfiFreeMemoryTop, Pages * EFI_PAGE_SIZE, - EfiBootServicesData + MemoryType ); return (VOID *)(UINTN)Hob.HandoffInformationTable->EfiFreeMemoryTop; } } =20 +/** + Allocates one or more 4KB pages of type EfiBootServicesData. + + Allocates the number of 4KB pages of MemoryType and returns a pointer to= the + allocated buffer. The buffer returned is aligned on a 4KB boundary. If= Pages is 0, then NULL + is returned. If there is not enough memory remaining to satisfy the req= uest, then NULL is + returned. + + @param Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocatePages ( + IN UINTN Pages + ) +{ + return InternalAllocatePages (Pages, EfiBootServicesData); +} + +/** + Allocates one or more 4KB pages of type EfiRuntimeServicesData. + + Allocates the number of 4KB pages of type EfiRuntimeServicesData and ret= urns a pointer to the + allocated buffer. The buffer returned is aligned on a 4KB boundary. If= Pages is 0, then NULL + is returned. If there is not enough memory remaining to satisfy the req= uest, then NULL is + returned. + + @param Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateRuntimePages ( + IN UINTN Pages + ) +{ + return InternalAllocatePages (Pages, EfiRuntimeServicesData); +} + /** Allocates one or more 4KB pages of type EfiBootServicesData at a specifi= ed alignment. =20 --=20 2.29.2.windows.2 -=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 (#90755): https://edk2.groups.io/g/devel/message/90755 Mute This Topic: https://groups.io/mt/91995190/1787277 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-