diff options
| author | John Schoenick <[email protected]> | 2015-09-09 18:35:41 -0700 |
|---|---|---|
| committer | John Schoenick <[email protected]> | 2015-09-09 18:35:41 -0700 |
| commit | 0d8dceea4310fde5706b3ce1c70609d72a38efdf (patch) | |
| tree | c831ef32c2c801a5c5a80401736b52c7b5a528ec /sp/src/utils/lzma/C/7zip/Compress/Branch/BranchSPARC.c | |
| parent | Updated the SDK with the latest code from the TF and HL2 branches. (diff) | |
| download | source-sdk-2013-master.tar.xz source-sdk-2013-master.zip | |
Diffstat (limited to 'sp/src/utils/lzma/C/7zip/Compress/Branch/BranchSPARC.c')
| -rw-r--r-- | sp/src/utils/lzma/C/7zip/Compress/Branch/BranchSPARC.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchSPARC.c b/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchSPARC.c new file mode 100644 index 00000000..c175875b --- /dev/null +++ b/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchSPARC.c @@ -0,0 +1,36 @@ +/* BranchSPARC.c */ + +#include "BranchSPARC.h" + +UInt32 SPARC_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding) +{ + UInt32 i; + for (i = 0; i + 4 <= size; i += 4) + { + if (data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00 || + data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0) + { + UInt32 src = + ((UInt32)data[i + 0] << 24) | + ((UInt32)data[i + 1] << 16) | + ((UInt32)data[i + 2] << 8) | + ((UInt32)data[i + 3]); + + src <<= 2; + UInt32 dest; + if (encoding) + dest = nowPos + i + src; + else + dest = src - (nowPos + i); + dest >>= 2; + + dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000; + + data[i + 0] = (Byte)(dest >> 24); + data[i + 1] = (Byte)(dest >> 16); + data[i + 2] = (Byte)(dest >> 8); + data[i + 3] = (Byte)dest; + } + } + return i; +} |