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/BranchARMThumb.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/BranchARMThumb.c')
| -rw-r--r-- | sp/src/utils/lzma/C/7zip/Compress/Branch/BranchARMThumb.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchARMThumb.c b/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchARMThumb.c new file mode 100644 index 00000000..4e4b04b0 --- /dev/null +++ b/sp/src/utils/lzma/C/7zip/Compress/Branch/BranchARMThumb.c @@ -0,0 +1,35 @@ +/* BranchARMThumb.c */ + +#include "BranchARMThumb.h" + +UInt32 ARMThumb_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding) +{ + UInt32 i; + for (i = 0; i + 4 <= size; i += 2) + { + if ((data[i + 1] & 0xF8) == 0xF0 && + (data[i + 3] & 0xF8) == 0xF8) + { + UInt32 src = + ((data[i + 1] & 0x7) << 19) | + (data[i + 0] << 11) | + ((data[i + 3] & 0x7) << 8) | + (data[i + 2]); + + src <<= 1; + UInt32 dest; + if (encoding) + dest = nowPos + i + 4 + src; + else + dest = src - (nowPos + i + 4); + dest >>= 1; + + data[i + 1] = 0xF0 | ((dest >> 19) & 0x7); + data[i + 0] = (dest >> 11); + data[i + 3] = 0xF8 | ((dest >> 8) & 0x7); + data[i + 2] = (dest); + i += 2; + } + } + return i; +} |