kernel_executable: Optimize BLZ decompression
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c417b4fe28
commit
9db119f8a2
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@ -34,7 +34,7 @@ bool DecompressBLZ(std::vector<u8>& data) {
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--index;
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auto control = data[index + start_offset];
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for (size_t i = 0; i < 8; ++i) {
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if ((control & 0x80) > 0) {
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if (((control << i) & 0x80) > 0) {
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if (index < 2) {
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return false;
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}
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@ -70,9 +70,8 @@ bool DecompressBLZ(std::vector<u8>& data) {
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data[out_index + start_offset] = data[index + start_offset];
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}
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control <<= 1;
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if (out_index == 0)
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return true;
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break;
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}
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}
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@ -132,15 +131,15 @@ std::vector<u8> KIP::GetSectionDecompressed(u8 index) const {
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}
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bool KIP::Is64Bit() const {
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return header.flags & 0x8;
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return (header.flags & 0x8) != 0;
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}
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bool KIP::Is39BitAddressSpace() const {
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return header.flags & 0x10;
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return (header.flags & 0x10) != 0;
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}
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bool KIP::IsService() const {
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return header.flags & 0x20;
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return (header.flags & 0x20) != 0;
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}
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std::vector<u32> KIP::GetKernelCapabilities() const {
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@ -53,10 +53,14 @@ AppLoader::LoadResult AppLoader_KIP::Load(Kernel::Process& process) {
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return {kip->GetStatus(), {}};
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}
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const auto address_space =
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kip->Is64Bit() ? (kip->Is39BitAddressSpace() ? FileSys::ProgramAddressSpaceType::Is39Bit
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: FileSys::ProgramAddressSpaceType::Is36Bit)
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: FileSys::ProgramAddressSpaceType::Is32Bit;
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const auto get_kip_address_space_type = [](const auto& kip) {
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return kip.Is64Bit()
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? (kip.Is39BitAddressSpace() ? FileSys::ProgramAddressSpaceType::Is39Bit
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: FileSys::ProgramAddressSpaceType::Is36Bit)
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: FileSys::ProgramAddressSpaceType::Is32Bit;
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};
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const auto address_space = get_kip_address_space_type(*kip);
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FileSys::ProgramMetadata metadata;
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metadata.LoadManual(kip->Is64Bit(), address_space, kip->GetMainThreadPriority(),
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