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Diffstat (limited to '')
-rw-r--r-- | src/core/loader/kip.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/core/loader/kip.cpp b/src/core/loader/kip.cpp new file mode 100644 index 000000000..474b55cb1 --- /dev/null +++ b/src/core/loader/kip.cpp @@ -0,0 +1,102 @@ +// Copyright 2019 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "core/file_sys/kernel_executable.h" +#include "core/file_sys/program_metadata.h" +#include "core/gdbstub/gdbstub.h" +#include "core/hle/kernel/code_set.h" +#include "core/hle/kernel/process.h" +#include "core/loader/kip.h" + +namespace Loader { + +namespace { +constexpr u32 PageAlignSize(u32 size) { + return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK; +} +} // Anonymous namespace + +AppLoader_KIP::AppLoader_KIP(FileSys::VirtualFile file_) + : AppLoader(std::move(file_)), kip(std::make_unique<FileSys::KIP>(file)) {} + +AppLoader_KIP::~AppLoader_KIP() = default; + +FileType AppLoader_KIP::IdentifyType(const FileSys::VirtualFile& file) { + u32_le magic{}; + if (file->GetSize() < sizeof(u32) || file->ReadObject(&magic) != sizeof(u32)) { + return FileType::Error; + } + + if (magic == Common::MakeMagic('K', 'I', 'P', '1')) { + return FileType::KIP; + } + + return FileType::Error; +} + +FileType AppLoader_KIP::GetFileType() const { + return (kip != nullptr && kip->GetStatus() == ResultStatus::Success) ? FileType::KIP + : FileType::Error; +} + +AppLoader::LoadResult AppLoader_KIP::Load(Kernel::Process& process) { + if (is_loaded) { + return {ResultStatus::ErrorAlreadyLoaded, {}}; + } + + if (kip == nullptr) { + return {ResultStatus::ErrorNullFile, {}}; + } + + if (kip->GetStatus() != ResultStatus::Success) { + return {kip->GetStatus(), {}}; + } + + const auto get_kip_address_space_type = [](const auto& kip) { + return kip.Is64Bit() + ? (kip.Is39BitAddressSpace() ? FileSys::ProgramAddressSpaceType::Is39Bit + : FileSys::ProgramAddressSpaceType::Is36Bit) + : FileSys::ProgramAddressSpaceType::Is32Bit; + }; + + const auto address_space = get_kip_address_space_type(*kip); + + FileSys::ProgramMetadata metadata; + metadata.LoadManual(kip->Is64Bit(), address_space, kip->GetMainThreadPriority(), + kip->GetMainThreadCpuCore(), kip->GetMainThreadStackSize(), + kip->GetTitleID(), 0xFFFFFFFFFFFFFFFF, kip->GetKernelCapabilities()); + + const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress(); + Kernel::CodeSet codeset; + Kernel::PhysicalMemory program_image; + + const auto load_segment = [&program_image](Kernel::CodeSet::Segment& segment, + const std::vector<u8>& data, u32 offset) { + segment.addr = offset; + segment.offset = offset; + segment.size = PageAlignSize(static_cast<u32>(data.size())); + program_image.resize(offset); + program_image.insert(program_image.end(), data.begin(), data.end()); + }; + + load_segment(codeset.CodeSegment(), kip->GetTextSection(), kip->GetTextOffset()); + load_segment(codeset.RODataSegment(), kip->GetRODataSection(), kip->GetRODataOffset()); + load_segment(codeset.DataSegment(), kip->GetDataSection(), kip->GetDataOffset()); + + program_image.resize(PageAlignSize(kip->GetBSSOffset()) + kip->GetBSSSize()); + codeset.DataSegment().size += kip->GetBSSSize(); + + GDBStub::RegisterModule(kip->GetName(), base_address, base_address + program_image.size()); + + codeset.memory = std::move(program_image); + process.LoadModule(std::move(codeset), base_address); + + LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", kip->GetName(), base_address); + + is_loaded = true; + return {ResultStatus::Success, + LoadParameters{kip->GetMainThreadPriority(), kip->GetMainThreadStackSize()}}; +} + +} // namespace Loader |