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Fix bugs in decompress implement in EfiLdr, and enable FAT driver in FDF file.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7254 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2
2009-01-13 07:41:23 +00:00
parent 5326528b2f
commit f8e01ca87b
3 changed files with 57 additions and 35 deletions
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57
DuetPkg/EfiLdr/TianoDecompress.c
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@@ -189,15 +189,19 @@ Returns:
UINT16 Start[18];
UINT16 *Pointer;
UINT16 Index3;
UINT16 Index;
volatile UINT16 Index;
UINT16 Len;
UINT16 Char;
UINT16 JuBits;
UINT16 Avail;
UINT16 NextCode;
UINT16 Mask;
UINT16 WordOfStart;
UINT16 WordOfCount;
SetMem (&Count[1], sizeof(UINT16) * 16, 0);
for (Index = 1; Index <= 16; Index++) {
Count[Index] = 0;
}
for (Index = 0; Index < NumOfChar; Index++) {
Count[BitLen[Index]]++;
@@ -206,7 +210,9 @@ Returns:
Start[1] = 0;
for (Index = 1; Index <= 16; Index++) {
Start[Index + 1] = (UINT16) (Start[Index] + (Count[Index] << (16 - Index)));
WordOfStart = Start[Index];
WordOfCount = Count[Index];
Start[Index + 1] = (UINT16) (WordOfStart + (WordOfCount << (16 - Index)));
}
if (Start[17] != 0) {
@@ -222,14 +228,17 @@ Returns:
}
while (Index <= 16) {
Weight[Index++] = (UINT16) (1U << (16 - Index));
Weight[Index] = (UINT16) (1U << (16 - Index));
Index++;
}
Index = (UINT16) (Start[TableBits + 1] >> JuBits);
if (Index != 0) {
Index3 = (UINT16) (1U << TableBits);
SetMem(&Table[Index], sizeof(UINT16) * (Index3 - Index + 1), 0);
while (Index != Index3) {
Table[Index++] = 0;
}
}
Avail = NumOfChar;
@@ -366,7 +375,7 @@ Returns:
{
UINT16 Number;
UINT16 CharC;
UINT16 Index;
volatile UINT16 Index;
UINT32 Mask;
Number = (UINT16) GetBits (Sd, nbit);
@@ -378,7 +387,9 @@ Returns:
Sd->mPTTable[Index] = CharC;
}
SetMem ((VOID*) &Sd->mPTLen, nn * sizeof(UINT8), 0);
for (Index = 0; Index < nn; Index++) {
Sd->mPTLen[Index] = 0;
}
return 0;
}
@@ -409,7 +420,10 @@ Returns:
}
}
SetMem ((VOID*) &Sd->mPTLen[Index], (nn - Index) * sizeof(UINT8), 0);
while (Index < nn) {
Sd->mPTLen[Index++] = 0;
}
return MakeTable (Sd, nn, Sd->mPTLen, 8, Sd->mPTTable);
}
@@ -433,7 +447,7 @@ Returns: (VOID)
{
UINT16 Number;
UINT16 CharC;
UINT16 Index;
volatile UINT16 Index;
UINT32 Mask;
Number = (UINT16) GetBits (Sd, CBIT);
@@ -441,7 +455,9 @@ Returns: (VOID)
if (Number == 0) {
CharC = (UINT16) GetBits (Sd, CBIT);
SetMem ((VOID*)&Sd->mCLen, sizeof(UINT8) * NC, 0);
for (Index = 0; Index < NC; Index++) {
Sd->mCLen[Index] = 0;
}
for (Index = 0; Index < 4096; Index++) {
Sd->mCTable[Index] = CharC;
@@ -495,7 +511,9 @@ Returns: (VOID)
}
}
SetMem ((VOID*) &Sd->mCLen[Index], sizeof(UINT8) * (NC - Index), 0);
while (Index < NC) {
Sd->mCLen[Index++] = 0;
}
MakeTable (Sd, NC, Sd->mCLen, 12, Sd->mCTable);
@@ -596,7 +614,7 @@ Returns: (VOID)
for (;;) {
CharC = DecodeC (Sd);
if (Sd->mBadTableFlag != 0) {
return ;
goto Done ;
}
if (CharC < 256) {
@@ -604,7 +622,7 @@ Returns: (VOID)
// Process an Original character
//
if (Sd->mOutBuf >= Sd->mOrigSize) {
return ;
goto Done ;
} else {
Sd->mDstBase[Sd->mOutBuf++] = (UINT8) CharC;
}
@@ -623,7 +641,7 @@ Returns: (VOID)
while ((INT16) (BytesRemain) >= 0) {
Sd->mDstBase[Sd->mOutBuf++] = Sd->mDstBase[DataIdx++];
if (Sd->mOutBuf >= Sd->mOrigSize) {
return ;
goto Done ;
}
BytesRemain--;
@@ -631,6 +649,8 @@ Returns: (VOID)
}
}
Done:
return ;
}
EFI_STATUS
@@ -714,7 +734,8 @@ Returns:
SCRATCH_DATA *Sd;
UINT8 *Src;
UINT8 *Dst;
volatile UINT32 Index;
Status = EFI_SUCCESS;
Src = Source;
Dst = Destination;
@@ -749,8 +770,10 @@ Returns:
Src = Src + 8;
SetMem ((VOID*) Sd, sizeof(SCRATCH_DATA), 0);
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