From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) by mx.groups.io with SMTP id smtpd.web10.468.1649368923674843462 for ; Thu, 07 Apr 2022 15:02:04 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@gmail.com header.s=20210112 header.b=NuQtKJVQ; spf=pass (domain: gmail.com, ip: 209.85.221.48, mailfrom: pedro.falcato@gmail.com) Received: by mail-wr1-f48.google.com with SMTP id a2so701556wrh.5 for ; Thu, 07 Apr 2022 15:02:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=3k9rEZErhZ8b9pKUkTD2/4YWC3BR+JF+0lexp1L0KkU=; b=NuQtKJVQk1iE1LbOKDzhmTDL0OpdmQhOJXk5BeZ4++Jh03RB2GlP8jsi253vXKcb66 1suy2cIQFeeIvQ6J/M+yOhRnzyDdF6kDKBE1w2QZjqgkRJ4JXwggA9NfMapXcEjUKSnO EAp9TEmGBKqJzEjCHhR3uINSZVJk0HSFB0dLyuudf090iFi1lOzHu07ZPvuq+W2bCm8a QWICGyv+FGEkRA5ShSsNf7mJ2nBbT99aEeoiaR0WWKt49IsNJWOE/wILns1n5WaQdQ+c SzVhh5CqcqNfk1F7Ya/83IF3gCYUpU4Xu46wGCRymGQys8VFe36/9eCgEFIjKxYHOjnl fABg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=3k9rEZErhZ8b9pKUkTD2/4YWC3BR+JF+0lexp1L0KkU=; b=s0OxU2QZCHlIQsJFusCmbwVq7EZb1/E10D+JPSMk9zugsdzKXUwfflSuKYSDRiv7FC MVyiGePD15jY55tsYGCS37G8KE548W2KVxELeBbGESTsp7k4im+omzD/1AzTg2wBoHlm kyRCRSv10LaP6EiqazStkxo0Gyb9Wm/d7cdDPafw9EFv4UXPmD5z83EpOyzt4JvgLtEJ 4XAiSrJy/H1GOdU1OyCGw8rmdna8GlfKPlf6gNHcy2OI4a64fnfBJHWMAQnGU3ANxFGJ 03sMQQs3xYOVdKZudT5JzJGqfKLoJiKQ9MwJlM5IrcUMQkBiuMIDjffpCQ7qfZpqWjBe QAgA== X-Gm-Message-State: AOAM531VLIwLRgtPpJJz3RSoA7dMVx4Niz/SbkN1qhKUXmEj4Gr7Ofqv mJ6sq2vVK2DniNFe8sUJdw4Mfk8OHkBCvA== X-Google-Smtp-Source: ABdhPJy12YF7u+AmV0Q2Yadm/cNl8Wj+fHx8xo3hwYflVvPsOhBze90y0ntHEXOmuoFzJ2HB60GX2Q== X-Received: by 2002:a05:600c:27d1:b0:38e:72c2:5727 with SMTP id l17-20020a05600c27d100b0038e72c25727mr14072447wmb.123.1649368921853; Thu, 07 Apr 2022 15:02:01 -0700 (PDT) Return-Path: Received: from PC-PEDRO-ARCH.lan ([2001:8a0:7280:5801:9441:3dce:686c:bfc7]) by smtp.gmail.com with ESMTPSA id g7-20020a5d64e7000000b00204a13925dcsm19575118wri.11.2022.04.07.15.02.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Apr 2022 15:02:01 -0700 (PDT) From: "Pedro Falcato" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Zhiguang Liu Subject: [PATCH 1/1] MdePkg/BaseLib: Add CRC16-ANSI and CRC32c implementations Date: Thu, 7 Apr 2022 23:02:00 +0100 Message-Id: <20220407220200.149601-1-pedro.falcato@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3871 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/BaseLib.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/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.
+ 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] = +{ + 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 = Buffer; + + Crc = ~InitialValue; + + while (Length-- != 0) { + Crc = mCrc16LookupTable[(Crc & 0xFF) ^ *(Buf++)] ^ (Crc >> 8); + } + + return ~Crc; +} + +GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT32 mCrc32cLookupTable[256] = { + 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 = Buffer; + Crc = ~InitialValue; + + while (Length-- != 0) { + Crc = mCrc32cLookupTable[(Crc & 0xFF) ^ *(Buf++)] ^ (Crc >> 8); + } + + return ~Crc; +} -- 2.35.1