diff options
| author | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-27 09:31:57 +0000 |
|---|---|---|
| committer | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-27 09:31:57 +0000 |
| commit | 54bd896eb4a66315665e9522371b6b10c284c036 (patch) | |
| tree | 2636464703e51db9cfbc2cfcfb9772eb069e30b3 /IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib | |
| parent | df2b7d51f5ef922e3b4efc6e5b46688d58f79cf1 (diff) | |
| download | edk2-platforms-54bd896eb4a66315665e9522371b6b10c284c036.tar.xz | |
Complete the library instances in IntelFrameworkModulePkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2810 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib')
5 files changed, 1236 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c new file mode 100644 index 0000000000..c516c35e54 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c @@ -0,0 +1,845 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ BaseUefiTianoCustomDecompressLib.c
+
+Abstract:
+
+ UEFI and Custom Decompress Library
+
+--*/
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+#include "BaseUefiTianoCustomDecompressLibInternals.h"
+
+VOID
+FillBuf (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 NumOfBits
+ )
+/*++
+
+Routine Description:
+
+ Shift mBitBuf NumOfBits left. Read in NumOfBits of bits from source.
+
+Arguments:
+
+ Sd - The global scratch data
+ NumOfBits - The number of bits to shift and read.
+
+Returns: (VOID)
+
+--*/
+{
+ Sd->mBitBuf = (UINT32) (Sd->mBitBuf << NumOfBits);
+
+ while (NumOfBits > Sd->mBitCount) {
+
+ Sd->mBitBuf |= (UINT32) (Sd->mSubBitBuf << (NumOfBits = (UINT16) (NumOfBits - Sd->mBitCount)));
+
+ if (Sd->mCompSize > 0) {
+ //
+ // Get 1 byte into SubBitBuf
+ //
+ Sd->mCompSize--;
+ Sd->mSubBitBuf = 0;
+ Sd->mSubBitBuf = Sd->mSrcBase[Sd->mInBuf++];
+ Sd->mBitCount = 8;
+
+ } else {
+ //
+ // No more bits from the source, just pad zero bit.
+ //
+ Sd->mSubBitBuf = 0;
+ Sd->mBitCount = 8;
+
+ }
+ }
+
+ Sd->mBitCount = (UINT16) (Sd->mBitCount - NumOfBits);
+ Sd->mBitBuf |= Sd->mSubBitBuf >> Sd->mBitCount;
+}
+
+UINT32
+GetBits (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 NumOfBits
+ )
+/*++
+
+Routine Description:
+
+ Get NumOfBits of bits out from mBitBuf. Fill mBitBuf with subsequent
+ NumOfBits of bits from source. Returns NumOfBits of bits that are
+ popped out.
+
+Arguments:
+
+ Sd - The global scratch data.
+ NumOfBits - The number of bits to pop and read.
+
+Returns:
+
+ The bits that are popped out.
+
+--*/
+{
+ UINT32 OutBits;
+
+ OutBits = (UINT32) (Sd->mBitBuf >> (BITBUFSIZ - NumOfBits));
+
+ FillBuf (Sd, NumOfBits);
+
+ return OutBits;
+}
+
+UINT16
+MakeTable (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 NumOfChar,
+ IN UINT8 *BitLen,
+ IN UINT16 TableBits,
+ OUT UINT16 *Table
+ )
+/*++
+
+Routine Description:
+
+ Creates Huffman Code mapping table according to code length array.
+
+Arguments:
+
+ Sd - The global scratch data
+ NumOfChar - Number of symbols in the symbol set
+ BitLen - Code length array
+ TableBits - The width of the mapping table
+ Table - The table
+
+Returns:
+
+ 0 - OK.
+ BAD_TABLE - The table is corrupted.
+
+--*/
+{
+ UINT16 Count[17];
+ UINT16 Weight[17];
+ UINT16 Start[18];
+ UINT16 *Pointer;
+ UINT16 Index3;
+ volatile UINT16 Index;
+ UINT16 Len;
+ UINT16 Char;
+ UINT16 JuBits;
+ UINT16 Avail;
+ UINT16 NextCode;
+ UINT16 Mask;
+ UINT16 WordOfStart;
+ UINT16 WordOfCount;
+
+ for (Index = 1; Index <= 16; Index++) {
+ Count[Index] = 0;
+ }
+
+ for (Index = 0; Index < NumOfChar; Index++) {
+ Count[BitLen[Index]]++;
+ }
+
+ Start[1] = 0;
+
+ for (Index = 1; Index <= 16; Index++) {
+ WordOfStart = Start[Index];
+ WordOfCount = Count[Index];
+ Start[Index + 1] = (UINT16) (WordOfStart + (WordOfCount << (16 - Index)));
+ }
+
+ if (Start[17] != 0) {
+ /*(1U << 16)*/
+ return (UINT16) BAD_TABLE;
+ }
+
+ JuBits = (UINT16) (16 - TableBits);
+
+ for (Index = 1; Index <= TableBits; Index++) {
+ Start[Index] >>= JuBits;
+ Weight[Index] = (UINT16) (1U << (TableBits - Index));
+ }
+
+ while (Index <= 16) {
+ Weight[Index] = (UINT16) (1U << (16 - Index));
+ Index++;
+ }
+
+ Index = (UINT16) (Start[TableBits + 1] >> JuBits);
+
+ if (Index != 0) {
+ Index3 = (UINT16) (1U << TableBits);
+ while (Index != Index3) {
+ Table[Index++] = 0;
+ }
+ }
+
+ Avail = NumOfChar;
+ Mask = (UINT16) (1U << (15 - TableBits));
+
+ for (Char = 0; Char < NumOfChar; Char++) {
+
+ Len = BitLen[Char];
+ if (Len == 0) {
+ continue;
+ }
+
+ NextCode = (UINT16) (Start[Len] + Weight[Len]);
+
+ if (Len <= TableBits) {
+
+ for (Index = Start[Len]; Index < NextCode; Index++) {
+ Table[Index] = Char;
+ }
+
+ } else {
+
+ Index3 = Start[Len];
+ Pointer = &Table[Index3 >> JuBits];
+ Index = (UINT16) (Len - TableBits);
+
+ while (Index != 0) {
+ if (*Pointer == 0) {
+ Sd->mRight[Avail] = Sd->mLeft[Avail] = 0;
+ *Pointer = Avail++;
+ }
+
+ if (Index3 & Mask) {
+ Pointer = &Sd->mRight[*Pointer];
+ } else {
+ Pointer = &Sd->mLeft[*Pointer];
+ }
+
+ Index3 <<= 1;
+ Index--;
+ }
+
+ *Pointer = Char;
+
+ }
+
+ Start[Len] = NextCode;
+ }
+ //
+ // Succeeds
+ //
+ return 0;
+}
+
+UINT32
+DecodeP (
+ IN SCRATCH_DATA *Sd
+ )
+/*++
+
+Routine Description:
+
+ Decodes a position value.
+
+Arguments:
+
+ Sd - the global scratch data
+
+Returns:
+
+ The position value decoded.
+
+--*/
+{
+ UINT16 Val;
+ UINT32 Mask;
+ UINT32 Pos;
+
+ Val = Sd->mPTTable[Sd->mBitBuf >> (BITBUFSIZ - 8)];
+
+ if (Val >= MAXNP) {
+ Mask = 1U << (BITBUFSIZ - 1 - 8);
+
+ do {
+
+ if (Sd->mBitBuf & Mask) {
+ Val = Sd->mRight[Val];
+ } else {
+ Val = Sd->mLeft[Val];
+ }
+
+ Mask >>= 1;
+ } while (Val >= MAXNP);
+ }
+ //
+ // Advance what we have read
+ //
+ FillBuf (Sd, Sd->mPTLen[Val]);
+
+ Pos = Val;
+ if (Val > 1) {
+ Pos = (UINT32) ((1U << (Val - 1)) + GetBits (Sd, (UINT16) (Val - 1)));
+ }
+
+ return Pos;
+}
+
+UINT16
+ReadPTLen (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 nn,
+ IN UINT16 nbit,
+ IN UINT16 Special
+ )
+/*++
+
+Routine Description:
+
+ Reads code lengths for the Extra Set or the Position Set
+
+Arguments:
+
+ Sd - The global scratch data
+ nn - Number of symbols
+ nbit - Number of bits needed to represent nn
+ Special - The special symbol that needs to be taken care of
+
+Returns:
+
+ 0 - OK.
+ BAD_TABLE - Table is corrupted.
+
+--*/
+{
+ UINT16 Number;
+ UINT16 CharC;
+ volatile UINT16 Index;
+ UINT32 Mask;
+
+ Number = (UINT16) GetBits (Sd, nbit);
+
+ if (Number == 0) {
+ CharC = (UINT16) GetBits (Sd, nbit);
+
+ for (Index = 0; Index < 256; Index++) {
+ Sd->mPTTable[Index] = CharC;
+ }
+
+ for (Index = 0; Index < nn; Index++) {
+ Sd->mPTLen[Index] = 0;
+ }
+
+ return 0;
+ }
+
+ Index = 0;
+
+ while (Index < Number) {
+
+ CharC = (UINT16) (Sd->mBitBuf >> (BITBUFSIZ - 3));
+
+ if (CharC == 7) {
+ Mask = 1U << (BITBUFSIZ - 1 - 3);
+ while (Mask & Sd->mBitBuf) {
+ Mask >>= 1;
+ CharC += 1;
+ }
+ }
+
+ FillBuf (Sd, (UINT16) ((CharC < 7) ? 3 : CharC - 3));
+
+ Sd->mPTLen[Index++] = (UINT8) CharC;
+
+ if (Index == Special) {
+ CharC = (UINT16) GetBits (Sd, 2);
+ while ((INT16) (--CharC) >= 0) {
+ Sd->mPTLen[Index++] = 0;
+ }
+ }
+ }
+
+ while (Index < nn) {
+ Sd->mPTLen[Index++] = 0;
+ }
+
+ return MakeTable (Sd, nn, Sd->mPTLen, 8, Sd->mPTTable);
+}
+
+VOID
+ReadCLen (
+ SCRATCH_DATA *Sd
+ )
+/*++
+
+Routine Description:
+
+ Reads code lengths for Char&Len Set.
+
+Arguments:
+
+ Sd - the global scratch data
+
+Returns: (VOID)
+
+--*/
+{
+ UINT16 Number;
+ UINT16 CharC;
+ volatile UINT16 Index;
+ UINT32 Mask;
+
+ Number = (UINT16) GetBits (Sd, CBIT);
+
+ if (Number == 0) {
+ CharC = (UINT16) GetBits (Sd, CBIT);
+
+ for (Index = 0; Index < NC; Index++) {
+ Sd->mCLen[Index] = 0;
+ }
+
+ for (Index = 0; Index < 4096; Index++) {
+ Sd->mCTable[Index] = CharC;
+ }
+
+ return ;
+ }
+
+ Index = 0;
+ while (Index < Number) {
+
+ CharC = Sd->mPTTable[Sd->mBitBuf >> (BITBUFSIZ - 8)];
+ if (CharC >= NT) {
+ Mask = 1U << (BITBUFSIZ - 1 - 8);
+
+ do {
+
+ if (Mask & Sd->mBitBuf) {
+ CharC = Sd->mRight[CharC];
+ } else {
+ CharC = Sd->mLeft[CharC];
+ }
+
+ Mask >>= 1;
+
+ } while (CharC >= NT);
+ }
+ //
+ // Advance what we have read
+ //
+ FillBuf (Sd, Sd->mPTLen[CharC]);
+
+ if (CharC <= 2) {
+
+ if (CharC == 0) {
+ CharC = 1;
+ } else if (CharC == 1) {
+ CharC = (UINT16) (GetBits (Sd, 4) + 3);
+ } else if (CharC == 2) {
+ CharC = (UINT16) (GetBits (Sd, CBIT) + 20);
+ }
+
+ while ((INT16) (--CharC) >= 0) {
+ Sd->mCLen[Index++] = 0;
+ }
+
+ } else {
+
+ Sd->mCLen[Index++] = (UINT8) (CharC - 2);
+
+ }
+ }
+
+ while (Index < NC) {
+ Sd->mCLen[Index++] = 0;
+ }
+
+ MakeTable (Sd, NC, Sd->mCLen, 12, Sd->mCTable);
+
+ return ;
+}
+
+UINT16
+DecodeC (
+ SCRATCH_DATA *Sd
+ )
+/*++
+
+Routine Description:
+
+ Decode a character/length value.
+
+Arguments:
+
+ Sd - The global scratch data.
+
+Returns:
+
+ The value decoded.
+
+--*/
+{
+ UINT16 Index2;
+ UINT32 Mask;
+
+ if (Sd->mBlockSize == 0) {
+ //
+ // Starting a new block
+ //
+ Sd->mBlockSize = (UINT16) GetBits (Sd, 16);
+ Sd->mBadTableFlag = ReadPTLen (Sd, NT, TBIT, 3);
+ if (Sd->mBadTableFlag != 0) {
+ return 0;
+ }
+
+ ReadCLen (Sd);
+
+ Sd->mBadTableFlag = ReadPTLen (Sd, MAXNP, Sd->mPBit, (UINT16) (-1));
+ if (Sd->mBadTableFlag != 0) {
+ return 0;
+ }
+ }
+
+ Sd->mBlockSize--;
+ Index2 = Sd->mCTable[Sd->mBitBuf >> (BITBUFSIZ - 12)];
+
+ if (Index2 >= NC) {
+ Mask = 1U << (BITBUFSIZ - 1 - 12);
+
+ do {
+ if (Sd->mBitBuf & Mask) {
+ Index2 = Sd->mRight[Index2];
+ } else {
+ Index2 = Sd->mLeft[Index2];
+ }
+
+ Mask >>= 1;
+ } while (Index2 >= NC);
+ }
+ //
+ // Advance what we have read
+ //
+ FillBuf (Sd, Sd->mCLen[Index2]);
+
+ return Index2;
+}
+
+VOID
+Decode (
+ SCRATCH_DATA *Sd
+ )
+/*++
+
+Routine Description:
+
+ Decode the source data and put the resulting data into the destination buffer.
+
+Arguments:
+
+ Sd - The global scratch data
+
+Returns: (VOID)
+
+ --*/
+{
+ UINT16 BytesRemain;
+ UINT32 DataIdx;
+ UINT16 CharC;
+
+ BytesRemain = (UINT16) (-1);
+
+ DataIdx = 0;
+
+ for (;;) {
+ CharC = DecodeC (Sd);
+ if (Sd->mBadTableFlag != 0) {
+ goto Done ;
+ }
+
+ if (CharC < 256) {
+ //
+ // Process an Original character
+ //
+ if (Sd->mOutBuf >= Sd->mOrigSize) {
+ goto Done ;
+ } else {
+ Sd->mDstBase[Sd->mOutBuf++] = (UINT8) CharC;
+ }
+
+ } else {
+ //
+ // Process a Pointer
+ //
+ CharC = (UINT16) (CharC - (UINT8_MAX + 1 - THRESHOLD));
+
+ BytesRemain = CharC;
+
+ DataIdx = Sd->mOutBuf - DecodeP (Sd) - 1;
+
+ BytesRemain--;
+ while ((INT16) (BytesRemain) >= 0) {
+ Sd->mDstBase[Sd->mOutBuf++] = Sd->mDstBase[DataIdx++];
+ if (Sd->mOutBuf >= Sd->mOrigSize) {
+ goto Done ;
+ }
+
+ BytesRemain--;
+ }
+ }
+ }
+
+Done:
+ return ;
+}
+
+RETURN_STATUS
+EFIAPI
+UefiDecompressGetInfo (
+ IN CONST VOID *Source,
+ IN UINT32 SourceSize,
+ OUT UINT32 *DestinationSize,
+ OUT UINT32 *ScratchSize
+ )
+/*++
+
+Routine Description:
+
+ The internal implementation of *_DECOMPRESS_PROTOCOL.GetInfo().
+
+Arguments:
+
+ Source - The source buffer containing the compressed data.
+ SourceSize - The size of source buffer
+ DestinationSize - The size of destination buffer.
+ ScratchSize - The size of scratch buffer.
+
+Returns:
+
+ RETURN_SUCCESS - The size of destination buffer and the size of scratch buffer are successull retrieved.
+ RETURN_INVALID_PARAMETER - The source data is corrupted
+
+--*/
+{
+ UINT32 CompressedSize;
+
+ ASSERT (Source != NULL);
+ ASSERT (DestinationSize != NULL);
+ ASSERT (ScratchSize != NULL);
+
+ *ScratchSize = sizeof (SCRATCH_DATA);
+
+ if (SourceSize < 8) {
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ CopyMem (&CompressedSize, Source, sizeof (UINT32));
+ CopyMem (DestinationSize, (VOID *)((UINT8 *)Source + 4), sizeof (UINT32));
+
+ if (SourceSize < (CompressedSize + 8)) {
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ return RETURN_SUCCESS;
+}
+
+RETURN_STATUS
+EFIAPI
+UefiTianoDecompress (
+ IN CONST VOID *Source,
+ IN OUT VOID *Destination,
+ IN OUT VOID *Scratch,
+ IN UINT32 Version
+ )
+/*++
+
+Routine Description:
+
+ The internal implementation of *_DECOMPRESS_PROTOCOL.Decompress().
+
+Arguments:
+
+ Source - The source buffer containing the compressed data.
+ Destination - The destination buffer to store the decompressed data
+ Scratch - The buffer used internally by the decompress routine. This buffer is needed to store intermediate data.
+ Version - 1 for UEFI Decompress algoruthm, 2 for Tiano Decompess algorithm
+
+Returns:
+
+ RETURN_SUCCESS - Decompression is successfull
+ RETURN_INVALID_PARAMETER - The source data is corrupted
+
+--*/
+{
+ volatile UINT32 Index;
+ UINT32 CompSize;
+ UINT32 OrigSize;
+ SCRATCH_DATA *Sd;
+ CONST UINT8 *Src;
+ UINT8 *Dst;
+
+ ASSERT (Source != NULL);
+ ASSERT (Destination != NULL);
+ ASSERT (Scratch != NULL);
+
+ Src = Source;
+ Dst = Destination;
+
+ Sd = (SCRATCH_DATA *) Scratch;
+
+ CompSize = Src[0] + (Src[1] << 8) + (Src[2] << 16) + (Src[3] << 24);
+ OrigSize = Src[4] + (Src[5] << 8) + (Src[6] << 16) + (Src[7] << 24);
+
+ //
+ // If compressed file size is 0, return
+ //
+ if (OrigSize == 0) {
+ return RETURN_SUCCESS;
+ }
+
+ Src = Src + 8;
+
+ for (Index = 0; Index < sizeof (SCRATCH_DATA); Index++) {
+ ((UINT8 *) Sd)[Index] = 0;
+ }
+ //
+ // The length of the field 'Position Set Code Length Array Size' in Block Header.
+ // For EFI 1.1 de/compression algorithm(Version 1), mPBit = 4
+ // For Tiano de/compression algorithm(Version 2), mPBit = 5
+ //
+ switch (Version) {
+ case 1 :
+ Sd->mPBit = 4;
+ break;
+ case 2 :
+ Sd->mPBit = 5;
+ break;
+ default:
+ ASSERT (FALSE);
+ }
+ Sd->mSrcBase = (UINT8 *)Src;
+ Sd->mDstBase = Dst;
+ Sd->mCompSize = CompSize;
+ Sd->mOrigSize = OrigSize;
+
+ //
+ // Fill the first BITBUFSIZ bits
+ //
+ FillBuf (Sd, BITBUFSIZ);
+
+ //
+ // Decompress it
+ //
+ Decode (Sd);
+
+ if (Sd->mBadTableFlag != 0) {
+ //
+ // Something wrong with the source
+ //
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ return RETURN_SUCCESS;
+}
+
+RETURN_STATUS
+EFIAPI
+UefiDecompress (
+ IN CONST VOID *Source,
+ IN OUT VOID *Destination,
+ IN OUT VOID *Scratch
+ )
+/*++
+
+Routine Description:
+
+ The internal implementation of *_DECOMPRESS_PROTOCOL.Decompress().
+
+Arguments:
+
+ Source - The source buffer containing the compressed data.
+ Destination - The destination buffer to store the decompressed data
+ Scratch - The buffer used internally by the decompress routine. This buffer is needed to store intermediate data.
+
+Returns:
+
+ RETURN_SUCCESS - Decompression is successfull
+ RETURN_INVALID_PARAMETER - The source data is corrupted
+
+--*/
+{
+ return UefiTianoDecompress (Source, Destination, Scratch, 1);
+}
+
+RETURN_STATUS
+EFIAPI
+CustomDecompressGetInfo (
+ IN CONST VOID *Source,
+ IN UINT32 SourceSize,
+ OUT UINT32 *DestinationSize,
+ OUT UINT32 *ScratchSize
+ )
+/*++
+
+Routine Description:
+
+ The internal implementation of *_DECOMPRESS_PROTOCOL.GetInfo().
+
+Arguments:
+
+ Source - The source buffer containing the compressed data.
+ SourceSize - The size of source buffer
+ DestinationSize - The size of destination buffer.
+ ScratchSize - The size of scratch buffer.
+
+Returns:
+
+ RETURN_SUCCESS - The size of destination buffer and the size of scratch buffer are successull retrieved.
+ RETURN_INVALID_PARAMETER - The source data is corrupted
+
+--*/
+{
+ return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize);
+}
+
+RETURN_STATUS
+EFIAPI
+CustomDecompress (
+ IN CONST VOID *Source,
+ IN OUT VOID *Destination,
+ IN OUT VOID *Scratch
+ )
+/*++
+
+Routine Description:
+
+ The internal implementation of *_DECOMPRESS_PROTOCOL.Decompress().
+
+Arguments:
+
+ Source - The source buffer containing the compressed data.
+ Destination - The destination buffer to store the decompressed data
+ Scratch - The buffer used internally by the decompress routine. This buffer is needed to store intermediate data.
+
+Returns:
+
+ RETURN_SUCCESS - Decompression is successfull
+ RETURN_INVALID_PARAMETER - The source data is corrupted
+
+--*/
+{
+ return UefiTianoDecompress (Source, Destination, Scratch, 2);
+}
diff --git a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.inf b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.inf new file mode 100644 index 0000000000..f66fc084e0 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.inf @@ -0,0 +1,81 @@ +#/** @file
+# Uefi Tiano Decomression Library
+#
+# Uefi Decompression library instance
+# Copyright (c) 2006, Intel Corporation.
+#
+# All rights reserved. This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+#**/
+
+################################################################################
+#
+# Defines Section - statements that will be processed to create a Makefile.
+#
+################################################################################
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BaseUefiTianoDecompressLib
+ FILE_GUID = d774c4d9-c121-4da3-a5e2-0f317e3c630c
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = CustomDecompressLib UefiDecompressLib
+ EDK_RELEASE_VERSION = 0x00020000
+ EFI_SPECIFICATION_VERSION = 0x00020000
+
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+################################################################################
+#
+# Sources Section - list of files that are required for the build to succeed.
+#
+################################################################################
+
+[Sources.common]
+ BaseUefiTianoCustomDecompressLibInternals.h
+ BaseUefiTianoCustomDecompressLib.c
+ CommonHeader.h
+
+
+################################################################################
+#
+# Includes Section - list of Include locations that are required for
+# this module.
+#
+################################################################################
+
+[Includes]
+ $(WORKSPACE)/MdePkg/Include
+
+################################################################################
+#
+# Package Dependency Section - list of Package files that are required for
+# this module.
+#
+################################################################################
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+################################################################################
+#
+# Library Class Section - list of Library Classes that are required for
+# this module.
+#
+################################################################################
+
+[LibraryClasses]
+ BaseMemoryLib
+ DebugLib
+
diff --git a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.msa b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.msa new file mode 100644 index 0000000000..dc64709f01 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.msa @@ -0,0 +1,50 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
+ <MsaHeader>
+ <ModuleName>BaseUefiTianoCustomDecompressLib</ModuleName>
+ <ModuleType>BASE</ModuleType>
+ <GuidValue>d774c4d9-c121-4da3-a5e2-0f317e3c630c</GuidValue>
+ <Version>1.0</Version>
+ <Abstract>Uefi Tiano Decomression Library</Abstract>
+ <Description>Uefi Decompression library instance</Description>
+ <Copyright>Copyright (c) 2006, Intel Corporation.</Copyright>
+ <License>All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
+ </MsaHeader>
+ <ModuleDefinitions>
+ <SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
+ <BinaryModule>false</BinaryModule>
+ <OutputFileBasename>BaseUefiTianoDecompressLib</OutputFileBasename>
+ </ModuleDefinitions>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_PRODUCED">
+ <Keyword>UefiDecompressLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_PRODUCED">
+ <Keyword>CustomDecompressLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>DebugLib</Keyword>
+ </LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseMemoryLib</Keyword>
+ </LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>BaseUefiTianoCustomDecompressLib.c</Filename>
+ <Filename>BaseUefiTianoCustomDecompressLibInternals.h</Filename>
+ </SourceFiles>
+ <PackageDependencies>
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
+ <Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
+ </PackageDependencies>
+ <Externs>
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
+ </Externs>
+</ModuleSurfaceArea>
\ No newline at end of file diff --git a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLibInternals.h b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLibInternals.h new file mode 100644 index 0000000000..cc5037ad81 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLibInternals.h @@ -0,0 +1,229 @@ +/** @file
+ Internal include file for Base UEFI Decompress Libary.
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: BaseUefiCustomDecompressLibInternals.h
+
+**/
+
+#ifndef __BASE_UEFI_TIANO_CUSTOM_DECOMPRESS_LIB_INTERNALS_H__
+#define __BASE_UEFI_TIANO_CUSTOM_DECOMPRESS_LIB_INTERNALS_H__
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+//
+// Decompression algorithm begins here
+//
+#define BITBUFSIZ 32
+#define MAXMATCH 256
+#define THRESHOLD 3
+#define CODE_BIT 16
+#define BAD_TABLE - 1
+
+//
+// C: Char&Len Set; P: Position Set; T: exTra Set
+//
+#define NC (0xff + MAXMATCH + 2 - THRESHOLD)
+#define CBIT 9
+#define MAXPBIT 5
+#define TBIT 5
+#define MAXNP ((1U << MAXPBIT) - 1)
+#define NT (CODE_BIT + 3)
+#if NT > MAXNP
+#define NPT NT
+#else
+#define NPT MAXNP
+#endif
+
+typedef struct {
+ UINT8 *mSrcBase; // Starting address of compressed data
+ UINT8 *mDstBase; // Starting address of decompressed data
+ UINT32 mOutBuf;
+ UINT32 mInBuf;
+
+ UINT16 mBitCount;
+ UINT32 mBitBuf;
+ UINT32 mSubBitBuf;
+ UINT16 mBlockSize;
+ UINT32 mCompSize;
+ UINT32 mOrigSize;
+
+ UINT16 mBadTableFlag;
+
+ UINT16 mLeft[2 * NC - 1];
+ UINT16 mRight[2 * NC - 1];
+ UINT8 mCLen[NC];
+ UINT8 mPTLen[NPT];
+ UINT16 mCTable[4096];
+ UINT16 mPTTable[256];
+
+ //
+ // The length of the field 'Position Set Code Length Array Size' in Block Header.
+ // For EFI 1.1 de/compression algorithm, mPBit = 4
+ // For Tiano de/compression algorithm, mPBit = 5
+ //
+ UINT8 mPBit;
+} SCRATCH_DATA;
+
+/**
+ Read NumOfBit of bits from source into mBitBuf
+
+ Shift mBitBuf NumOfBits left. Read in NumOfBits of bits from source.
+
+ @param Sd The global scratch data
+ @param NumOfBits The number of bits to shift and read.
+
+**/
+VOID
+FillBuf (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 NumOfBits
+ );
+
+/**
+ Get NumOfBits of bits out from mBitBuf
+
+ Get NumOfBits of bits out from mBitBuf. Fill mBitBuf with subsequent
+ NumOfBits of bits from source. Returns NumOfBits of bits that are
+ popped out.
+
+ @param Sd The global scratch data.
+ @param NumOfBits The number of bits to pop and read.
+
+ @return The bits that are popped out.
+
+**/
+UINT32
+GetBits (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 NumOfBits
+ );
+
+/**
+ Creates Huffman Code mapping table according to code length array.
+
+ Creates Huffman Code mapping table for Extra Set, Char&Len Set
+ and Position Set according to code length array.
+
+ @param Sd The global scratch data
+ @param NumOfChar Number of symbols in the symbol set
+ @param BitLen Code length array
+ @param TableBits The width of the mapping table
+ @param Table The table
+
+ @retval 0 OK.
+ @retval BAD_TABLE The table is corrupted.
+
+**/
+UINT16
+MakeTable (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 NumOfChar,
+ IN UINT8 *BitLen,
+ IN UINT16 TableBits,
+ OUT UINT16 *Table
+ );
+
+/**
+ Decodes a position value.
+
+ Get a position value according to Position Huffman Table.
+
+ @param Sd the global scratch data
+
+ @return The position value decoded.
+
+**/
+UINT32
+DecodeP (
+ IN SCRATCH_DATA *Sd
+ );
+
+/**
+ Reads code lengths for the Extra Set or the Position Set.
+
+ Read in the Extra Set or Pointion Set Length Arrary, then
+ generate the Huffman code mapping for them.
+
+ @param Sd The global scratch data.
+ @param nn Number of symbols.
+ @param nbit Number of bits needed to represent nn.
+ @param Special The special symbol that needs to be taken care of.
+
+ @retval 0 OK.
+ @retval BAD_TABLE Table is corrupted.
+
+**/
+UINT16
+ReadPTLen (
+ IN SCRATCH_DATA *Sd,
+ IN UINT16 nn,
+ IN UINT16 nbit,
+ IN UINT16 Special
+ );
+
+/**
+ Reads code lengths for Char&Len Set.
+
+ Read in and decode the Char&Len Set Code Length Array, then
+ generate the Huffman Code mapping table for the Char&Len Set.
+
+ @param Sd the global scratch data
+
+**/
+VOID
+ReadCLen (
+ SCRATCH_DATA *Sd
+ );
+
+/**
+ Decode a character/length value.
+
+ Read one value from mBitBuf, Get one code from mBitBuf. If it is at block boundary, generates
+ Huffman code mapping table for Extra Set, Code&Len Set and
+ Position Set.
+
+ @param Sd The global scratch data.
+
+ @return The value decoded.
+
+**/
+UINT16
+DecodeC (
+ SCRATCH_DATA *Sd
+ );
+
+/**
+ Decode the source data and put the resulting data into the destination buffer.
+
+ Decode the source data and put the resulting data into the destination buffer.
+
+ @param Sd The global scratch data
+
+**/
+VOID
+Decode (
+ SCRATCH_DATA *Sd
+ );
+
+RETURN_STATUS
+EFIAPI
+UefiTianoDecompress (
+ IN CONST VOID *Source,
+ IN OUT VOID *Destination,
+ IN OUT VOID *Scratch,
+ IN UINT32 Version
+ );
+
+#endif
diff --git a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/CommonHeader.h b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/CommonHeader.h new file mode 100644 index 0000000000..baf3f0edfb --- /dev/null +++ b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/CommonHeader.h @@ -0,0 +1,31 @@ +/**@file
+ Common header file shared by all source files.
+
+ This file includes package header files, library classes and protocol, PPI & GUID definitions.
+
+ Copyright (c) 2006, Intel Corporation.
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#ifndef __COMMON_HEADER_H_
+#define __COMMON_HEADER_H_
+
+
+//
+// The package level header files this module uses
+//
+#include <Base.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/UefiDecompressLib.h>
+#include <Library/CustomDecompressLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+
+#endif
|