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https://git.suyu.dev/suyu/suyu
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612e1388df
This gives us significantly more control over where in the initialization process we start execution of the main process. Previously we were running the main process before the CPU or GPU threads were initialized (not good). This amends execution to start after all of our threads are properly set up.
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <optional>
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#include <type_traits>
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/file_sys/patch_manager.h"
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#include "core/loader/loader.h"
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namespace Kernel {
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class Process;
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}
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namespace Loader {
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struct NSOSegmentHeader {
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u32_le offset;
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u32_le location;
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u32_le size;
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union {
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u32_le alignment;
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u32_le bss_size;
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};
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};
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static_assert(sizeof(NSOSegmentHeader) == 0x10, "NsoSegmentHeader has incorrect size.");
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struct NSOHeader {
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using SHA256Hash = std::array<u8, 0x20>;
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struct RODataRelativeExtent {
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u32_le data_offset;
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u32_le size;
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};
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u32_le magic;
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u32_le version;
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u32 reserved;
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u32_le flags;
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std::array<NSOSegmentHeader, 3> segments; // Text, RoData, Data (in that order)
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std::array<u8, 0x20> build_id;
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std::array<u32_le, 3> segments_compressed_size;
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std::array<u8, 0x1C> padding;
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RODataRelativeExtent api_info_extent;
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RODataRelativeExtent dynstr_extent;
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RODataRelativeExtent dynsyn_extent;
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std::array<SHA256Hash, 3> segment_hashes;
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bool IsSegmentCompressed(size_t segment_num) const;
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};
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static_assert(sizeof(NSOHeader) == 0x100, "NSOHeader has incorrect size.");
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static_assert(std::is_trivially_copyable_v<NSOHeader>, "NSOHeader must be trivially copyable.");
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constexpr u64 NSO_ARGUMENT_DATA_ALLOCATION_SIZE = 0x9000;
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struct NSOArgumentHeader {
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u32_le allocated_size;
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u32_le actual_size;
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INSERT_PADDING_BYTES(0x18);
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};
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static_assert(sizeof(NSOArgumentHeader) == 0x20, "NSOArgumentHeader has incorrect size.");
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/// Loads an NSO file
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class AppLoader_NSO final : public AppLoader {
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public:
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explicit AppLoader_NSO(FileSys::VirtualFile file);
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/**
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* Returns the type of the file
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* @param file std::shared_ptr<VfsFile> open file
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* @return FileType found, or FileType::Error if this loader doesn't know it
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*/
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static FileType IdentifyType(const FileSys::VirtualFile& file);
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FileType GetFileType() const override {
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return IdentifyType(file);
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}
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static std::optional<VAddr> LoadModule(Kernel::Process& process, const FileSys::VfsFile& file,
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VAddr load_base, bool should_pass_arguments,
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std::optional<FileSys::PatchManager> pm = {});
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LoadResult Load(Kernel::Process& process) override;
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};
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} // namespace Loader
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