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kernel_executable: Optimize BLZ decompression

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This commit is contained in:
Zach Hilman
2019-06-06 19:20:15 -04:00
parent c417b4fe28
commit 9db119f8a2
2 changed files with 13 additions and 10 deletions
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11
src/core/file_sys/kernel_executable.cpp
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@ -34,7 +34,7 @@ bool DecompressBLZ(std::vector<u8>& data) {
--index;
auto control = data[index + start_offset];
for (size_t i = 0; i < 8; ++i) {
if ((control & 0x80) > 0) {
if (((control << i) & 0x80) > 0) {
if (index < 2) {
return false;
}
@ -70,9 +70,8 @@ bool DecompressBLZ(std::vector<u8>& data) {
data[out_index + start_offset] = data[index + start_offset];
}
control <<= 1;
if (out_index == 0)
return true;
break;
}
}
@ -132,15 +131,15 @@ std::vector<u8> KIP::GetSectionDecompressed(u8 index) const {
}
bool KIP::Is64Bit() const {
return header.flags & 0x8;
return (header.flags & 0x8) != 0;
}
bool KIP::Is39BitAddressSpace() const {
return header.flags & 0x10;
return (header.flags & 0x10) != 0;
}
bool KIP::IsService() const {
return header.flags & 0x20;
return (header.flags & 0x20) != 0;
}
std::vector<u32> KIP::GetKernelCapabilities() const {