From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- .../lzma/C/7zip/Compress/Branch/BranchPPC.c | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchPPC.c (limited to 'release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchPPC.c') diff --git a/release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchPPC.c b/release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchPPC.c new file mode 100644 index 00000000..407bae61 --- /dev/null +++ b/release/src/linux/linux/scripts/squashfs/lzma/C/7zip/Compress/Branch/BranchPPC.c @@ -0,0 +1,36 @@ +// BranchPPC.c + +#include "BranchPPC.h" + +UInt32 PPC_B_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding) +{ + UInt32 i; + for (i = 0; i + 4 <= size; i += 4) + { + // PowerPC branch 6(48) 24(Offset) 1(Abs) 1(Link) + if ((data[i] >> 2) == 0x12 && + ( + (data[i + 3] & 3) == 1 + // || (data[i+3] & 3) == 3 + ) + ) + { + UInt32 src = ((data[i + 0] & 3) << 24) | + (data[i + 1] << 16) | + (data[i + 2] << 8) | + (data[i + 3] & (~3)); + + UInt32 dest; + if (encoding) + dest = nowPos + i + src; + else + dest = src - (nowPos + i); + data[i + 0] = 0x48 | ((dest >> 24) & 0x3); + data[i + 1] = (dest >> 16); + data[i + 2] = (dest >> 8); + data[i + 3] &= 0x3; + data[i + 3] |= dest; + } + } + return i; +} -- cgit v1.2.3-54-g00ecf