From nobody Sat May 18 22:54:06 2024 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+90132+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+90132+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1654136967; cv=none; d=zohomail.com; s=zohoarc; b=YhvNoG1AlNzughtNZQRamoa4f9QVwdVMtus5fwybKn7WJDsJ38kT2SKzZzqVsNQ3MGSPDm2LsyJuTCV1YzIq9XKAWzFO4yY09+CmpHE+kTtoUQa5d3Q3jkddFDRi7qUpFp5Jzk8Pj4MFG4CvLV46ZkpJVPl6gHJTCnk8Pt1kvYY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654136967; h=Content-Type: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=sWl3Ns3wDIk4TMLnIgGo6RnZYr9MzBrYvePUgK7hPO8=; b=j21DIvw1VcMYq0InQhYZ84l1nsinLiIHLQ81qZ6W/jp3p8k12Kb2pY8MfwC77pLwhaHvk6BTpvmY5ODaXemjG18c9KAvvXPavgy5Dfm3w7kJn7cbHlIOPKC9GkVhkpX5kzlUknKGIsAsELbSA6CrReNXNMm9tB9PoS+AZW2r7AQ= 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+90132+1787277+3901457@groups.io Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1654136967490732.6186356184198; Wed, 1 Jun 2022 19:29:27 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id KN1aYY1788612x60Kn78NEL4; Wed, 01 Jun 2022 19:29:27 -0700 X-Received: from mail.byosoft.com.cn (mail.byosoft.com.cn [58.240.74.242]) by mx.groups.io with SMTP id smtpd.web09.2131.1654136963246258765 for ; Wed, 01 Jun 2022 19:29:25 -0700 X-Received: from DESKTOPS6D0PVI ([58.246.60.130]) (envelope-sender ) by 192.168.6.13 with ESMTP for ; Thu, 02 Jun 2022 10:29:17 +0800 X-WM-Sender: gaoliming@byosoft.com.cn X-Originating-IP: 58.246.60.130 X-WM-AuthFlag: YES X-WM-AuthUser: gaoliming@byosoft.com.cn From: "gaoliming" To: , Cc: "'Michael D Kinney'" , "'Zhiguang Liu'" References: <20220407220200.149601-1-pedro.falcato@gmail.com> <16E9330567E0FB44.27774@groups.io> <16EE1DEED159D5A9.620@groups.io> In-Reply-To: Subject: =?UTF-8?B?5Zue5aSNOiBbZWRrMi1kZXZlbF0gW1BBVENIIDEvMV0gTWRlUGtnL0Jhc2VMaWI6IEFkZCBDUkMxNi1BTlNJIGFuZCBDUkMzMmMgaW1wbGVtZW50YXRpb25z?= Date: Thu, 2 Jun 2022 10:29:19 +0800 Message-ID: <00e601d87628$9005ac90$b01105b0$@byosoft.com.cn> MIME-Version: 1.0 Thread-Index: AQH8lUqWmBRpXAy4J9zmfUpdnFZa3wFZGowVAWmkk/4B8Bo/J6zNjsxA 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,gaoliming@byosoft.com.cn X-Gm-Message-State: Gw8AfqVpnIc2OQ6TKdEsuZAzx1787277AA= Content-Type: multipart/alternative; boundary="----=_NextPart_000_00E7_01D8766B.9E2AE860" Content-Language: zh-cn DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1654136967; bh=XQ6xPGwRqjgBwFqdVojOwzxhBxh3fbmh0zohN1V9qdc=; h=Cc:Content-Type:Date:From:Reply-To:Subject:To; b=Mm7LqNfEWV5oAtbJeP9rTSs+ZS/HyLShs2pxMnvptlwPGlrC/KBFJU8pb8NkJPI24Ac WPH+n9DUDiWbLUCliWwzrLvGfmZfG4NUSuZtbmSYlCMEp1ic4heTxxZ/rVXmPfuab366+ bgMP8RNQFjeEs6os6ZHvUOrhTQW7py7VQKc= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1654136967962100001 ------=_NextPart_000_00E7_01D8766B.9E2AE860 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Pedro: Sorry for the late response. I am OK to add two new CRC APIs in BaseLib.=20 =20 For Crc32c, what difference is from current Crc32? Can it reuse current mC= rcTable value? =20 Thanks Liming =E5=8F=91=E4=BB=B6=E4=BA=BA: devel@edk2.groups.io = =E4=BB=A3=E8=A1=A8 Pedro Falcato =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2022=E5=B9=B46=E6=9C=881=E6=97=A5 5:34 =E6=94=B6=E4=BB=B6=E4=BA=BA: edk2-devel-groups-io ; P= edro Falcato =E6=8A=84=E9=80=81: Michael D Kinney ; Liming G= ao ; Zhiguang Liu =E4=B8=BB=E9=A2=98: Re: [edk2-devel] [PATCH 1/1] MdePkg/BaseLib: Add CRC16-= ANSI and CRC32c implementations =20 Ping. Please review it now that the freeze is over. =20 Thanks, Pedro =20 On Wed, May 11, 2022 at 6:44 PM Pedro Falcato via groups.io > wr= ote: Ping. Could someone review it? =20 On Mon, Apr 25, 2022 at 6:13 PM Pedro Falcato via groups.io > wr= ote: Ping. If someone could take a look, it would be much appreciated. =20 On Thu, Apr 7, 2022 at 11:02 PM Pedro Falcato > wrote: BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3871 Add the CRC16-ANSI and CRC32C implementations previously found at Features/Ext4Pkg/Ext4Dxe/Crc{16,32c}.c to BaseLib. Cc: Michael D Kinney > Cc: Liming Gao > Cc: Zhiguang Liu > Signed-off-by: Pedro Falcato > --- MdePkg/Include/Library/BaseLib.h | 35 +++++++- MdePkg/Library/BaseLib/CheckSum.c | 144 ++++++++++++++++++++++++++++++ 2 files changed, 178 insertions(+), 1 deletion(-) diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/Base= Lib.h index 6aa0d972186e..f365de9f74a0 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -4503,6 +4503,40 @@ CalculateCrc32 ( IN UINTN Length ); +/** + Calculates the CRC16-ANSI checksum of the given buffer. + + @param[in] Buffer Pointer to the buffer. + @param[in] Length Length of the buffer, in bytes. + @param[in] InitialValue Initial value of the CRC. + + @return The CRC16-ANSI checksum. +**/ +UINT16 +EFIAPI +CalculateCrc16Ansi ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT16 InitialValue + ); + +/** + Calculates the CRC32c checksum of the given buffer. + + @param[in] Buffer Pointer to the buffer. + @param[in] Length Length of the buffer, in bytes. + @param[in] InitialValue Initial value of the CRC. + + @return The CRC32c checksum. +**/ +UINT32 +EFIAPI +CalculateCrc32c ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT32 InitialValue + ); + // // Base Library CPU Functions // @@ -4512,7 +4546,6 @@ CalculateCrc32 ( @param Context1 Context1 parameter passed into SwitchStack(). @param Context2 Context2 parameter passed into SwitchStack(). - **/ typedef VOID diff --git a/MdePkg/Library/BaseLib/CheckSum.c b/MdePkg/Library/BaseLib/Che= ckSum.c index 28dee5ac6a15..b6a076573191 100644 --- a/MdePkg/Library/BaseLib/CheckSum.c +++ b/MdePkg/Library/BaseLib/CheckSum.c @@ -3,6 +3,7 @@ algorithm. Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 2022, Pedro Falcato. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -618,3 +619,146 @@ CalculateCrc32 ( return Crc ^ 0xffffffff; } + +GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT16 mCrc16LookupTable[256] = =3D +{ + 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241, + 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440, + 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40, + 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841, + 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40, + 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41, + 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641, + 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040, + 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240, + 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441, + 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41, + 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840, + 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41, + 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40, + 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640, + 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041, + 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240, + 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441, + 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41, + 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840, + 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41, + 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40, + 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640, + 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041, + 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241, + 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440, + 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40, + 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841, + 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40, + 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41, + 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641, + 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 +}; + +/** + Calculates the CRC16-ANSI checksum of the given buffer. + + @param[in] Buffer Pointer to the buffer. + @param[in] Length Length of the buffer, in bytes. + @param[in] InitialValue Initial value of the CRC. + + @return The CRC16-ANSI checksum. +**/ +UINT16 +EFIAPI +CalculateCrc16Ansi ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT16 InitialValue + ) +{ + CONST UINT8 *Buf; + UINT16 Crc; + + Buf =3D Buffer; + + Crc =3D ~InitialValue; + + while (Length-- !=3D 0) { + Crc =3D mCrc16LookupTable[(Crc & 0xFF) ^ *(Buf++)] ^ (Crc >> 8); + } + + return ~Crc; +} + +GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT32 mCrc32cLookupTable[256]= =3D { + 0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c, + 0x26a1e7e8, 0xd4ca64eb, 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b, + 0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24, 0x105ec76f, 0xe235446c, + 0xf165b798, 0x030e349b, 0xd7c45070, 0x25afd373, 0x36ff2087, 0xc494a384, + 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, 0x5d1d08bf, 0xaf768bbc, + 0xbc267848, 0x4e4dfb4b, 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a, + 0xe72719c1, 0x154c9ac2, 0x061c6936, 0xf477ea35, 0xaa64d611, 0x580f5512, + 0x4b5fa6e6, 0xb93425e5, 0x6dfe410e, 0x9f95c20d, 0x8cc531f9, 0x7eaeb2fa, + 0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, 0xf779deae, 0x05125dad, + 0x1642ae59, 0xe4292d5a, 0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a, + 0x7da08661, 0x8fcb0562, 0x9c9bf696, 0x6ef07595, 0x417b1dbc, 0xb3109ebf, + 0xa0406d4b, 0x522bee48, 0x86e18aa3, 0x748a09a0, 0x67dafa54, 0x95b17957, + 0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, 0x0c38d26c, 0xfe53516f, + 0xed03a29b, 0x1f682198, 0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927, + 0x96bf4dcc, 0x64d4cecf, 0x77843d3b, 0x85efbe38, 0xdbfc821c, 0x2997011f, + 0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600, 0xfd5d65f4, 0x0f36e6f7, + 0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, 0xa65c047d, 0x5437877e, + 0x4767748a, 0xb50cf789, 0xeb1fcbad, 0x197448ae, 0x0a24bb5a, 0xf84f3859, + 0x2c855cb2, 0xdeeedfb1, 0xcdbe2c45, 0x3fd5af46, 0x7198540d, 0x83f3d70e, + 0x90a324fa, 0x62c8a7f9, 0xb602c312, 0x44694011, 0x5739b3e5, 0xa55230e6, + 0xfb410cc2, 0x092a8fc1, 0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de, + 0xdde0eb2a, 0x2f8b6829, 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c, + 0x456cac67, 0xb7072f64, 0xa457dc90, 0x563c5f93, 0x082f63b7, 0xfa44e0b4, + 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab, 0x2e8e845f, 0xdce5075c, + 0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa759e80b, + 0xb4091bff, 0x466298fc, 0x1871a4d8, 0xea1a27db, 0xf94ad42f, 0x0b21572c, + 0xdfeb33c7, 0x2d80b0c4, 0x3ed04330, 0xccbbc033, 0xa24bb5a6, 0x502036a5, + 0x4370c551, 0xb11b4652, 0x65d122b9, 0x97baa1ba, 0x84ea524e, 0x7681d14d, + 0x2892ed69, 0xdaf96e6a, 0xc9a99d9e, 0x3bc21e9d, 0xef087a76, 0x1d63f975, + 0x0e330a81, 0xfc588982, 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d, + 0x758fe5d6, 0x87e466d5, 0x94b49521, 0x66df1622, 0x38cc2a06, 0xcaa7a905, + 0xd9f75af1, 0x2b9cd9f2, 0xff56bd19, 0x0d3d3e1a, 0x1e6dcdee, 0xec064eed, + 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x0417b1db, 0xf67c32d8, + 0xe52cc12c, 0x1747422f, 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff, + 0x8ecee914, 0x7ca56a17, 0x6ff599e3, 0x9d9e1ae0, 0xd3d3e1ab, 0x21b862a8, + 0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7, 0xf5720643, 0x07198540, + 0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, 0x9e902e7b, 0x6cfbad78, + 0x7fab5e8c, 0x8dc0dd8f, 0xe330a81a, 0x115b2b19, 0x020bd8ed, 0xf0605bee, + 0x24aa3f05, 0xd6c1bc06, 0xc5914ff2, 0x37faccf1, 0x69e9f0d5, 0x9b8273d6, + 0x88d28022, 0x7ab90321, 0xae7367ca, 0x5c18e4c9, 0x4f48173d, 0xbd23943e, + 0xf36e6f75, 0x0105ec76, 0x12551f82, 0xe03e9c81, 0x34f4f86a, 0xc69f7b69, + 0xd5cf889d, 0x27a40b9e, 0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e, + 0xbe2da0a5, 0x4c4623a6, 0x5f16d052, 0xad7d5351 +}; + +/** + Calculates the CRC32c checksum of the given buffer. + + @param[in] Buffer Pointer to the buffer. + @param[in] Length Length of the buffer, in bytes. + @param[in] InitialValue Initial value of the CRC. + + @return The CRC32c checksum. +**/ +UINT32 +EFIAPI +CalculateCrc32c ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT32 InitialValue + ) +{ + CONST UINT8 *Buf; + UINT32 Crc; + + Buf =3D Buffer; + Crc =3D ~InitialValue; + + while (Length-- !=3D 0) { + Crc =3D mCrc32cLookupTable[(Crc & 0xFF) ^ *(Buf++)] ^ (Crc >> 8); + } + + return ~Crc; +} --=20 2.35.1 --=20 Pedro Falcato --=20 Pedro Falcato --=20 Pedro Falcato -=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 (#90132): https://edk2.groups.io/g/devel/message/90132 Mute This Topic: https://groups.io/mt/91492106/1787277 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- ------=_NextPart_000_00E7_01D8766B.9E2AE860 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Pedro:

=C2=A0Sorry for the late response. I am OK to a= dd two new CRC APIs in BaseLib.

=  

=C2=A0For Crc32c, what difference is from current Crc32? Can it re= use current mCrcTable value?

 

= Thanks

Liming

=E5=8F=91=E4=BB=B6=E4=BA=BA:= devel@edk2.groups.io <devel@edk2.groups.io> =E4=BB=A3=E8=A1=A8 Pedro Falcato
=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2022=E5=B9=B46=E6=9C=881=E6=97=A5 5:34
=E6= =94=B6=E4=BB=B6=E4=BA=BA: = edk2-devel-groups-io <devel@edk2.groups.io>; Pedro Falcato <pedro.= falcato@gmail.com>
=E6=8A=84=E9=80=81: Michael D Kinney <michael.d.kinney@intel.co= m>; Liming Gao <gaoliming@byosoft.com.cn>; Zhiguang Liu <zhigua= ng.liu@intel.com>
=E4=B8=BB=E9=A2=98: Re: [edk2-devel] [PATCH 1/1] MdePkg/BaseLib: Ad= d CRC16-ANSI and CRC32c implementations

<= /div>

 

Ping. Please review it now = that the freeze is over.

 

Thanks,

Pedro

 

<= p class=3DMsoNormal>On Wed, May 11, 2022 at 6:44 PM Pedr= o Falcato via groups.io <pedro.falcato= =3Dgmail.com@groups.io> wrote= :

Ping. Could someone revi= ew it?

<= o:p> 

On Mon, Apr 25, 2022 at 6:13 PM Pedro Falcato via groups.io <pedro.falcato=3Dgmail.com@groups.io> wrote:<= o:p>

Ping. If someone could tak= e a look, it would be much appreciated.

 

On Thu, Apr 7, 2022 at 11:02 PM Pedro Fa= lcato <pedr= o.falcato@gmail.com> wrote:

BZ: https://bugzilla.tianocore.= org/show_bug.cgi?id=3D3871

Add the CRC16-ANSI and CRC32C impleme= ntations previously found at
Features/Ext4Pkg/Ext4Dxe/Crc{16,32c}.c to B= aseLib.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Limi= ng Gao <ga= oliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
<= br>Signed-off-by: Pedro Falcato <pedro.falcato@gmail.com>
---
 MdePk= g/Include/Library/BaseLib.h  |  35 +++++++-
 MdePkg/Libra= ry/BaseLib/CheckSum.c | 144 ++++++++++++++++++++++++++++++
 2 files= changed, 178 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Inclu= de/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index 6aa0d97218= 6e..f365de9f74a0 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/= MdePkg/Include/Library/BaseLib.h
@@ -4503,6 +4503,40 @@ CalculateCrc32 (=
   IN  UINTN  Length
   );

+/**=
+   Calculates the CRC16-ANSI checksum of the given buffer.+
+   @param[in]      Buffer    &nb= sp;   Pointer to the buffer.
+   @param[in]    =   Length        Length of the buffer, in bytes.+   @param[in]      InitialValue  Initial va= lue of the CRC.
+
+   @return The CRC16-ANSI checksum.
+= **/
+UINT16
+EFIAPI
+CalculateCrc16Ansi (
+  IN  CONS= T VOID  *Buffer,
+  IN  UINTN       L= ength,
+  IN  UINT16      InitialValue
+&nbs= p; );
+
+/**
+   Calculates the CRC32c checksum of the g= iven buffer.
+
+   @param[in]      Buffer&nb= sp;       Pointer to the buffer.
+   @param[in]=       Length        Length of the buffer= , in bytes.
+   @param[in]      InitialValue&nb= sp; Initial value of the CRC.
+
+   @return The CRC32c chec= ksum.
+**/
+UINT32
+EFIAPI
+CalculateCrc32c (
+  IN CON= ST VOID  *Buffer,
+  IN UINTN       Length= ,
+  IN UINT32      InitialValue
+  );
+<= br> //
 // Base Library CPU Functions
 //
@@ -4512,= 7 +4546,6 @@ CalculateCrc32 (

   @param  Context1&nbs= p;       Context1 parameter passed into SwitchStack().
&n= bsp;  @param  Context2        Context2 parame= ter passed into SwitchStack().
-
 **/
 typedef
 = VOID
diff --git a/MdePkg/Library/BaseLib/CheckSum.c b/MdePkg/Library/Bas= eLib/CheckSum.c
index 28dee5ac6a15..b6a076573191 100644
--- a/MdePkg/= Library/BaseLib/CheckSum.c
+++ b/MdePkg/Library/BaseLib/CheckSum.c
@@= -3,6 +3,7 @@
   algorithm.

   Copyright (c) = 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+  C= opyright (c) 2022, Pedro Falcato. All rights reserved.<BR>
  =  SPDX-License-Identifier: BSD-2-Clause-Patent

 **/
@@ -= 618,3 +619,146 @@ CalculateCrc32 (

   return Crc ^ 0xfffff= fff;
 }
+
+GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT16&= nbsp; mCrc16LookupTable[256] =3D
+{
+  0x0000, 0xC0C1, 0xC181, 0= x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
+  0xC601, 0x06C0, 0x0780, 0= xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
+  0xCC01, 0x0CC0, 0x0D80, 0= xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
+  0x0A00, 0xCAC1, 0xCB81, 0= x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
+  0xD801, 0x18C0, 0x1980, 0= xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
+  0x1E00, 0xDEC1, 0xDF81, 0= x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
+  0x1400, 0xD4C1, 0xD581, 0= x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
+  0xD201, 0x12C0, 0x1380, 0= xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
+  0xF001, 0x30C0, 0x3180, 0= xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
+  0x3600, 0xF6C1, 0xF781, 0= x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
+  0x3C00, 0xFCC1, 0xFD81, 0= x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
+  0xFA01, 0x3AC0, 0x3B80, 0= xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
+  0x2800, 0xE8C1, 0xE981, 0= x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
+  0xEE01, 0x2EC0, 0x2F80, 0= xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
+  0xE401, 0x24C0, 0x2580, 0= xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
+  0x2200, 0xE2C1, 0xE381, 0= x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
+  0xA001, 0x60C0, 0x6180, 0= xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
+  0x6600, 0xA6C1, 0xA781, 0= x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
+  0x6C00, 0xACC1, 0xAD81, 0= x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
+  0xAA01, 0x6AC0, 0x6B80, 0= xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
+  0x7800, 0xB8C1, 0xB981, 0= x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
+  0xBE01, 0x7EC0, 0x7F80, 0= xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
+  0xB401, 0x74C0, 0x7580, 0= xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
+  0x7200, 0xB2C1, 0xB381, 0= x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
+  0x5000, 0x90C1, 0x9181, 0= x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
+  0x9601, 0x56C0, 0x5780, 0= x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
+  0x9C01, 0x5CC0, 0x5D80, 0= x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
+  0x5A00, 0x9AC1, 0x9B81, 0= x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
+  0x8801, 0x48C0, 0x4980, 0= x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
+  0x4E00, 0x8EC1, 0x8F81, 0= x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
+  0x4400, 0x84C1, 0x8581, 0= x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
+  0x8201, 0x42C0, 0x4380, 0= x8341, 0x4100, 0x81C1, 0x8081, 0x4040
+};
+
+/**
+   = Calculates the CRC16-ANSI checksum of the given buffer.
+
+  &nb= sp;@param[in]      Buffer        Pointer= to the buffer.
+   @param[in]      Length = ;       Length of the buffer, in bytes.
+   @pa= ram[in]      InitialValue  Initial value of the CRC.+
+   @return The CRC16-ANSI checksum.
+**/
+UINT16
= +EFIAPI
+CalculateCrc16Ansi (
+  IN CONST VOID  *Buffer,+  IN UINTN       Length,
+  IN UINT16&nb= sp;     InitialValue
+  )
+{
+  CONST UINT8&nb= sp; *Buf;
+  UINT16       Crc;
+
+  = Buf =3D Buffer;
+
+  Crc =3D ~InitialValue;
+
+  whil= e (Length-- !=3D 0) {
+    Crc =3D mCrc16LookupTable[(Crc &= ; 0xFF) ^ *(Buf++)] ^ (Crc >> 8);
+  }
+
+  return= ~Crc;
+}
+
+GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT32&nbs= p; mCrc32cLookupTable[256] =3D {
+  0x00000000, 0xf26b8303, 0xe13b7= 0f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c,
+  0x26a1e7e8, 0xd4ca64eb,= 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b,
+  0x4d43cfd0, 0xb= f284cd3, 0xac78bf27, 0x5e133c24, 0x105ec76f, 0xe235446c,
+  0xf165b= 798, 0x030e349b, 0xd7c45070, 0x25afd373, 0x36ff2087, 0xc494a384,
+ = 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, 0x5d1d08bf, 0xaf768bbc,+  0xbc267848, 0x4e4dfb4b, 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed= 7d2a,
+  0xe72719c1, 0x154c9ac2, 0x061c6936, 0xf477ea35, 0xaa64d611= , 0x580f5512,
+  0x4b5fa6e6, 0xb93425e5, 0x6dfe410e, 0x9f95c20d, 0x= 8cc531f9, 0x7eaeb2fa,
+  0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3= ba45, 0xf779deae, 0x05125dad,
+  0x1642ae59, 0xe4292d5a, 0xba3a117e= , 0x4851927d, 0x5b016189, 0xa96ae28a,
+  0x7da08661, 0x8fcb0562, 0x= 9c9bf696, 0x6ef07595, 0x417b1dbc, 0xb3109ebf,
+  0xa0406d4b, 0x522b= ee48, 0x86e18aa3, 0x748a09a0, 0x67dafa54, 0x95b17957,
+  0xcba24573= , 0x39c9c670, 0x2a993584, 0xd8f2b687, 0x0c38d26c, 0xfe53516f,
+  0x= ed03a29b, 0x1f682198, 0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927,
+&= nbsp; 0x96bf4dcc, 0x64d4cecf, 0x77843d3b, 0x85efbe38, 0xdbfc821c, 0x2997011= f,
+  0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600, 0xfd5d65f4, 0= x0f36e6f7,
+  0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, 0xa65= c047d, 0x5437877e,
+  0x4767748a, 0xb50cf789, 0xeb1fcbad, 0x197448a= e, 0x0a24bb5a, 0xf84f3859,
+  0x2c855cb2, 0xdeeedfb1, 0xcdbe2c45, 0= x3fd5af46, 0x7198540d, 0x83f3d70e,
+  0x90a324fa, 0x62c8a7f9, 0xb60= 2c312, 0x44694011, 0x5739b3e5, 0xa55230e6,
+  0xfb410cc2, 0x092a8fc= 1, 0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de,
+  0xdde0eb2a, 0= x2f8b6829, 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c,
+  0x456= cac67, 0xb7072f64, 0xa457dc90, 0x563c5f93, 0x082f63b7, 0xfa44e0b4,
+&nbs= p; 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab, 0x2e8e845f, 0xdce5075c,<= br>+  0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa7= 59e80b,
+  0xb4091bff, 0x466298fc, 0x1871a4d8, 0xea1a27db, 0xf94ad4= 2f, 0x0b21572c,
+  0xdfeb33c7, 0x2d80b0c4, 0x3ed04330, 0xccbbc033, = 0xa24bb5a6, 0x502036a5,
+  0x4370c551, 0xb11b4652, 0x65d122b9, 0x97= baa1ba, 0x84ea524e, 0x7681d14d,
+  0x2892ed69, 0xdaf96e6a, 0xc9a99d= 9e, 0x3bc21e9d, 0xef087a76, 0x1d63f975,
+  0x0e330a81, 0xfc588982, = 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d,
+  0x758fe5d6, 0x87= e466d5, 0x94b49521, 0x66df1622, 0x38cc2a06, 0xcaa7a905,
+  0xd9f75a= f1, 0x2b9cd9f2, 0xff56bd19, 0x0d3d3e1a, 0x1e6dcdee, 0xec064eed,
+  = 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x0417b1db, 0xf67c32d8,
= +  0xe52cc12c, 0x1747422f, 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048= dff,
+  0x8ecee914, 0x7ca56a17, 0x6ff599e3, 0x9d9e1ae0, 0xd3d3e1ab,= 0x21b862a8,
+  0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7, 0xf= 5720643, 0x07198540,
+  0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4= a90, 0x9e902e7b, 0x6cfbad78,
+  0x7fab5e8c, 0x8dc0dd8f, 0xe330a81a,= 0x115b2b19, 0x020bd8ed, 0xf0605bee,
+  0x24aa3f05, 0xd6c1bc06, 0xc= 5914ff2, 0x37faccf1, 0x69e9f0d5, 0x9b8273d6,
+  0x88d28022, 0x7ab90= 321, 0xae7367ca, 0x5c18e4c9, 0x4f48173d, 0xbd23943e,
+  0xf36e6f75,= 0x0105ec76, 0x12551f82, 0xe03e9c81, 0x34f4f86a, 0xc69f7b69,
+  0xd= 5cf889d, 0x27a40b9e, 0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e,
+&n= bsp; 0xbe2da0a5, 0x4c4623a6, 0x5f16d052, 0xad7d5351
+};
+
+/**
= +   Calculates the CRC32c checksum of the given buffer.
+
+=    @param[in]      Buffer      &nbs= p; Pointer to the buffer.
+   @param[in]      L= ength        Length of the buffer, in bytes.
+ =  @param[in]      InitialValue  Initial value of t= he CRC.
+
+   @return The CRC32c checksum.
+**/
+UINT= 32
+EFIAPI
+CalculateCrc32c (
+  IN CONST VOID  *Buffer,=
+  IN UINTN       Length,
+  IN UINT32=       InitialValue
+  )
+{
+  CONST UINT8=   *Buf;
+  UINT32       Crc;
+
+&nbs= p; Buf =3D Buffer;
+  Crc =3D ~InitialValue;
+
+  while = (Length-- !=3D 0) {
+    Crc =3D mCrc32cLookupTable[(Crc &= 0xFF) ^ *(Buf++)] ^ (Crc >> 8);
+  }
+
+  return = ~Crc;
+}
--
2.35.1



-- =

Pedro Falcato



--

Pedro Falcato



--

Pedro Falcato

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