Complete the library instances in IntelFrameworkModulePkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2810 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
@@ -0,0 +1,845 @@
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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BaseUefiTianoCustomDecompressLib.c
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Abstract:
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UEFI and Custom Decompress Library
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--*/
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//
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// Include common header file for this module.
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//
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#include "CommonHeader.h"
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#include "BaseUefiTianoCustomDecompressLibInternals.h"
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VOID
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FillBuf (
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IN SCRATCH_DATA *Sd,
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IN UINT16 NumOfBits
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)
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/*++
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Routine Description:
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Shift mBitBuf NumOfBits left. Read in NumOfBits of bits from source.
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Arguments:
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Sd - The global scratch data
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NumOfBits - The number of bits to shift and read.
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Returns: (VOID)
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--*/
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{
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Sd->mBitBuf = (UINT32) (Sd->mBitBuf << NumOfBits);
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while (NumOfBits > Sd->mBitCount) {
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Sd->mBitBuf |= (UINT32) (Sd->mSubBitBuf << (NumOfBits = (UINT16) (NumOfBits - Sd->mBitCount)));
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if (Sd->mCompSize > 0) {
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//
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// Get 1 byte into SubBitBuf
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//
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Sd->mCompSize--;
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Sd->mSubBitBuf = 0;
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Sd->mSubBitBuf = Sd->mSrcBase[Sd->mInBuf++];
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Sd->mBitCount = 8;
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} else {
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//
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// No more bits from the source, just pad zero bit.
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//
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Sd->mSubBitBuf = 0;
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Sd->mBitCount = 8;
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}
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}
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Sd->mBitCount = (UINT16) (Sd->mBitCount - NumOfBits);
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Sd->mBitBuf |= Sd->mSubBitBuf >> Sd->mBitCount;
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}
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UINT32
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GetBits (
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IN SCRATCH_DATA *Sd,
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IN UINT16 NumOfBits
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)
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/*++
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Routine Description:
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Get NumOfBits of bits out from mBitBuf. Fill mBitBuf with subsequent
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NumOfBits of bits from source. Returns NumOfBits of bits that are
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popped out.
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Arguments:
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Sd - The global scratch data.
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NumOfBits - The number of bits to pop and read.
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Returns:
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The bits that are popped out.
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--*/
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{
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UINT32 OutBits;
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OutBits = (UINT32) (Sd->mBitBuf >> (BITBUFSIZ - NumOfBits));
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FillBuf (Sd, NumOfBits);
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return OutBits;
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}
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UINT16
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MakeTable (
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IN SCRATCH_DATA *Sd,
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IN UINT16 NumOfChar,
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IN UINT8 *BitLen,
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IN UINT16 TableBits,
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OUT UINT16 *Table
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)
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/*++
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Routine Description:
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Creates Huffman Code mapping table according to code length array.
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Arguments:
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Sd - The global scratch data
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NumOfChar - Number of symbols in the symbol set
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BitLen - Code length array
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TableBits - The width of the mapping table
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Table - The table
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Returns:
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0 - OK.
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BAD_TABLE - The table is corrupted.
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--*/
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{
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UINT16 Count[17];
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UINT16 Weight[17];
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UINT16 Start[18];
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UINT16 *Pointer;
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UINT16 Index3;
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volatile UINT16 Index;
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UINT16 Len;
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UINT16 Char;
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UINT16 JuBits;
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UINT16 Avail;
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UINT16 NextCode;
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UINT16 Mask;
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UINT16 WordOfStart;
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UINT16 WordOfCount;
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for (Index = 1; Index <= 16; Index++) {
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Count[Index] = 0;
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}
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for (Index = 0; Index < NumOfChar; Index++) {
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Count[BitLen[Index]]++;
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}
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Start[1] = 0;
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for (Index = 1; Index <= 16; Index++) {
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WordOfStart = Start[Index];
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WordOfCount = Count[Index];
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Start[Index + 1] = (UINT16) (WordOfStart + (WordOfCount << (16 - Index)));
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}
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if (Start[17] != 0) {
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/*(1U << 16)*/
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return (UINT16) BAD_TABLE;
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}
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JuBits = (UINT16) (16 - TableBits);
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for (Index = 1; Index <= TableBits; Index++) {
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Start[Index] >>= JuBits;
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Weight[Index] = (UINT16) (1U << (TableBits - Index));
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}
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while (Index <= 16) {
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Weight[Index] = (UINT16) (1U << (16 - Index));
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Index++;
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}
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Index = (UINT16) (Start[TableBits + 1] >> JuBits);
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if (Index != 0) {
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Index3 = (UINT16) (1U << TableBits);
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while (Index != Index3) {
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Table[Index++] = 0;
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}
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}
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Avail = NumOfChar;
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Mask = (UINT16) (1U << (15 - TableBits));
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for (Char = 0; Char < NumOfChar; Char++) {
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Len = BitLen[Char];
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if (Len == 0) {
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continue;
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}
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NextCode = (UINT16) (Start[Len] + Weight[Len]);
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if (Len <= TableBits) {
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for (Index = Start[Len]; Index < NextCode; Index++) {
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Table[Index] = Char;
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}
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} else {
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Index3 = Start[Len];
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Pointer = &Table[Index3 >> JuBits];
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Index = (UINT16) (Len - TableBits);
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while (Index != 0) {
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if (*Pointer == 0) {
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Sd->mRight[Avail] = Sd->mLeft[Avail] = 0;
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*Pointer = Avail++;
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}
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if (Index3 & Mask) {
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Pointer = &Sd->mRight[*Pointer];
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} else {
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Pointer = &Sd->mLeft[*Pointer];
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}
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Index3 <<= 1;
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Index--;
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}
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*Pointer = Char;
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}
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Start[Len] = NextCode;
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}
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//
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// Succeeds
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//
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return 0;
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}
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UINT32
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DecodeP (
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IN SCRATCH_DATA *Sd
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)
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/*++
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Routine Description:
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Decodes a position value.
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Arguments:
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Sd - the global scratch data
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Returns:
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The position value decoded.
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--*/
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{
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UINT16 Val;
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UINT32 Mask;
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UINT32 Pos;
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Val = Sd->mPTTable[Sd->mBitBuf >> (BITBUFSIZ - 8)];
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if (Val >= MAXNP) {
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Mask = 1U << (BITBUFSIZ - 1 - 8);
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do {
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if (Sd->mBitBuf & Mask) {
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Val = Sd->mRight[Val];
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} else {
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Val = Sd->mLeft[Val];
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}
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Mask >>= 1;
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} while (Val >= MAXNP);
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}
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//
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// Advance what we have read
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//
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FillBuf (Sd, Sd->mPTLen[Val]);
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Pos = Val;
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if (Val > 1) {
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Pos = (UINT32) ((1U << (Val - 1)) + GetBits (Sd, (UINT16) (Val - 1)));
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}
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return Pos;
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}
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UINT16
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ReadPTLen (
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IN SCRATCH_DATA *Sd,
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IN UINT16 nn,
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IN UINT16 nbit,
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IN UINT16 Special
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)
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/*++
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Routine Description:
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Reads code lengths for the Extra Set or the Position Set
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Arguments:
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Sd - The global scratch data
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nn - Number of symbols
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nbit - Number of bits needed to represent nn
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Special - The special symbol that needs to be taken care of
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Returns:
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0 - OK.
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BAD_TABLE - Table is corrupted.
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--*/
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{
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UINT16 Number;
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UINT16 CharC;
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volatile UINT16 Index;
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UINT32 Mask;
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Number = (UINT16) GetBits (Sd, nbit);
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if (Number == 0) {
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CharC = (UINT16) GetBits (Sd, nbit);
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for (Index = 0; Index < 256; Index++) {
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Sd->mPTTable[Index] = CharC;
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}
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for (Index = 0; Index < nn; Index++) {
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Sd->mPTLen[Index] = 0;
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}
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return 0;
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}
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Index = 0;
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while (Index < Number) {
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CharC = (UINT16) (Sd->mBitBuf >> (BITBUFSIZ - 3));
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if (CharC == 7) {
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Mask = 1U << (BITBUFSIZ - 1 - 3);
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while (Mask & Sd->mBitBuf) {
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Mask >>= 1;
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CharC += 1;
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}
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}
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FillBuf (Sd, (UINT16) ((CharC < 7) ? 3 : CharC - 3));
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Sd->mPTLen[Index++] = (UINT8) CharC;
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if (Index == Special) {
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CharC = (UINT16) GetBits (Sd, 2);
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while ((INT16) (--CharC) >= 0) {
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Sd->mPTLen[Index++] = 0;
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}
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}
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}
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while (Index < nn) {
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Sd->mPTLen[Index++] = 0;
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}
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return MakeTable (Sd, nn, Sd->mPTLen, 8, Sd->mPTTable);
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}
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VOID
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ReadCLen (
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SCRATCH_DATA *Sd
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)
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/*++
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Routine Description:
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Reads code lengths for Char&Len Set.
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Arguments:
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Sd - the global scratch data
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Returns: (VOID)
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--*/
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{
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UINT16 Number;
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UINT16 CharC;
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volatile UINT16 Index;
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UINT32 Mask;
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Number = (UINT16) GetBits (Sd, CBIT);
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if (Number == 0) {
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CharC = (UINT16) GetBits (Sd, CBIT);
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for (Index = 0; Index < NC; Index++) {
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Sd->mCLen[Index] = 0;
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}
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for (Index = 0; Index < 4096; Index++) {
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Sd->mCTable[Index] = CharC;
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}
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return ;
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}
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Index = 0;
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while (Index < Number) {
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||||
CharC = Sd->mPTTable[Sd->mBitBuf >> (BITBUFSIZ - 8)];
|
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if (CharC >= NT) {
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Mask = 1U << (BITBUFSIZ - 1 - 8);
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||||
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||||
do {
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||||
|
||||
if (Mask & Sd->mBitBuf) {
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||||
CharC = Sd->mRight[CharC];
|
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} else {
|
||||
CharC = Sd->mLeft[CharC];
|
||||
}
|
||||
|
||||
Mask >>= 1;
|
||||
|
||||
} while (CharC >= NT);
|
||||
}
|
||||
//
|
||||
// Advance what we have read
|
||||
//
|
||||
FillBuf (Sd, Sd->mPTLen[CharC]);
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|
||||
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);
|
||||
}
|
||||
@@ -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
|
||||
|
||||
@@ -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>
|
||||
@@ -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
|
||||
@@ -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
|
||||
Reference in New Issue
Block a user