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| author | Twinaphex | 2019-05-14 11:44:06 +0200 |
|---|---|---|
| committer | GitHub | 2019-05-14 11:44:06 +0200 |
| commit | 80209d1715398a16b6ace1c2e4cd0aab5c00248d (patch) | |
| tree | b7f82140860acabb2d0e3a5216f78bf98691c267 /deps/lzma-16.04/C/BraIA64.c | |
| parent | 5ffd1f23eb970679dfe8b540bc3df8e776dc9e17 (diff) | |
| parent | ce188d4d7f3b9ad04867c49b424e8497c2ade92b (diff) | |
| download | pcsx_rearmed-80209d1715398a16b6ace1c2e4cd0aab5c00248d.tar.gz pcsx_rearmed-80209d1715398a16b6ace1c2e4cd0aab5c00248d.tar.bz2 pcsx_rearmed-80209d1715398a16b6ace1c2e4cd0aab5c00248d.zip | |
Merge pull request #280 from aliaspider/master
add CHD support.
Diffstat (limited to 'deps/lzma-16.04/C/BraIA64.c')
| -rw-r--r-- | deps/lzma-16.04/C/BraIA64.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/deps/lzma-16.04/C/BraIA64.c b/deps/lzma-16.04/C/BraIA64.c new file mode 100644 index 0000000..813830c --- /dev/null +++ b/deps/lzma-16.04/C/BraIA64.c @@ -0,0 +1,69 @@ +/* BraIA64.c -- Converter for IA-64 code
+2013-11-12 : Igor Pavlov : Public domain */
+
+#include "Precomp.h"
+
+#include "Bra.h"
+
+static const Byte kBranchTable[32] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 4, 4, 6, 6, 0, 0, 7, 7,
+ 4, 4, 0, 0, 4, 4, 0, 0
+};
+
+SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+ SizeT i;
+ if (size < 16)
+ return 0;
+ size -= 16;
+ for (i = 0; i <= size; i += 16)
+ {
+ UInt32 instrTemplate = data[i] & 0x1F;
+ UInt32 mask = kBranchTable[instrTemplate];
+ UInt32 bitPos = 5;
+ int slot;
+ for (slot = 0; slot < 3; slot++, bitPos += 41)
+ {
+ UInt32 bytePos, bitRes;
+ UInt64 instruction, instNorm;
+ int j;
+ if (((mask >> slot) & 1) == 0)
+ continue;
+ bytePos = (bitPos >> 3);
+ bitRes = bitPos & 0x7;
+ instruction = 0;
+ for (j = 0; j < 6; j++)
+ instruction += (UInt64)data[i + j + bytePos] << (8 * j);
+
+ instNorm = instruction >> bitRes;
+ if (((instNorm >> 37) & 0xF) == 0x5 && ((instNorm >> 9) & 0x7) == 0)
+ {
+ UInt32 src = (UInt32)((instNorm >> 13) & 0xFFFFF);
+ UInt32 dest;
+ src |= ((UInt32)(instNorm >> 36) & 1) << 20;
+
+ src <<= 4;
+
+ if (encoding)
+ dest = ip + (UInt32)i + src;
+ else
+ dest = src - (ip + (UInt32)i);
+
+ dest >>= 4;
+
+ instNorm &= ~((UInt64)(0x8FFFFF) << 13);
+ instNorm |= ((UInt64)(dest & 0xFFFFF) << 13);
+ instNorm |= ((UInt64)(dest & 0x100000) << (36 - 20));
+
+ instruction &= (1 << bitRes) - 1;
+ instruction |= (instNorm << bitRes);
+ for (j = 0; j < 6; j++)
+ data[i + j + bytePos] = (Byte)(instruction >> (8 * j));
+ }
+ }
+ }
+ return i;
+}
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