summaryrefslogtreecommitdiff
path: root/release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchSPARC.c
diff options
context:
space:
mode:
Diffstat (limited to 'release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchSPARC.c')
-rw-r--r--release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchSPARC.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchSPARC.c b/release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchSPARC.c
new file mode 100644
index 00000000..abbf1d75
--- /dev/null
+++ b/release/src/linux/linux/scripts/squashfs/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;
+}