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[cmake] refactor: Use CPM over submodules (#143)
Transfers the majority of submodules and large externals to CPM, using source archives rather than full Git clones. Not only does this save massive amounts of clone and configure time, but dependencies are grabbed on-demand rather than being required by default. Additionally, CPM will (generally) automatically search for system dependencies, though certain dependencies have options to control this. Testing shows gains ranging from 5x to 10x in terms of overall clone/configure time. Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/143 Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
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crueter
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// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#pragma once
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#include <array>
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#include <cstring>
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#include <map>
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#include <string>
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#include <vector>
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#include "dynarmic/common/assert.h"
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#include "dynarmic/common/common_types.h"
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#include "dynarmic/interface/A32/a32.h"
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template<typename InstructionType_, u32 infinite_loop_u32>
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class A32TestEnv : public Dynarmic::A32::UserCallbacks {
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public:
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using InstructionType = InstructionType_;
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using RegisterArray = std::array<u32, 16>;
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using ExtRegsArray = std::array<u32, 64>;
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#ifdef _MSC_VER
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# pragma warning(push)
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# pragma warning(disable : 4309) // C4309: 'static_cast': truncation of constant value
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#endif
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static constexpr InstructionType infinite_loop = static_cast<InstructionType>(infinite_loop_u32);
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#ifdef _MSC_VER
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# pragma warning(pop)
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#endif
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u64 ticks_left = 0;
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bool code_mem_modified_by_guest = false;
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std::vector<InstructionType> code_mem;
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std::map<u32, u8> modified_memory;
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std::vector<std::string> interrupts;
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void PadCodeMem() {
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do {
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code_mem.push_back(infinite_loop);
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} while (code_mem.size() % 2 != 0);
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}
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bool IsInCodeMem(u32 vaddr) const {
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return vaddr < sizeof(InstructionType) * code_mem.size();
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}
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std::optional<std::uint32_t> MemoryReadCode(u32 vaddr) override {
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if (IsInCodeMem(vaddr)) {
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u32 value;
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std::memcpy(&value, &code_mem[vaddr / sizeof(InstructionType)], sizeof(u32));
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return value;
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}
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return infinite_loop_u32; // B .
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}
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std::uint8_t MemoryRead8(u32 vaddr) override {
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if (IsInCodeMem(vaddr)) {
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return reinterpret_cast<u8*>(code_mem.data())[vaddr];
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}
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if (auto iter = modified_memory.find(vaddr); iter != modified_memory.end()) {
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return iter->second;
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}
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return static_cast<u8>(vaddr);
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}
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std::uint16_t MemoryRead16(u32 vaddr) override {
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return u16(MemoryRead8(vaddr)) | u16(MemoryRead8(vaddr + 1)) << 8;
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}
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std::uint32_t MemoryRead32(u32 vaddr) override {
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return u32(MemoryRead16(vaddr)) | u32(MemoryRead16(vaddr + 2)) << 16;
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}
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std::uint64_t MemoryRead64(u32 vaddr) override {
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return u64(MemoryRead32(vaddr)) | u64(MemoryRead32(vaddr + 4)) << 32;
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}
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void MemoryWrite8(u32 vaddr, std::uint8_t value) override {
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if (vaddr < code_mem.size() * sizeof(u32)) {
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code_mem_modified_by_guest = true;
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}
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modified_memory[vaddr] = value;
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}
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void MemoryWrite16(u32 vaddr, std::uint16_t value) override {
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MemoryWrite8(vaddr, static_cast<u8>(value));
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MemoryWrite8(vaddr + 1, static_cast<u8>(value >> 8));
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}
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void MemoryWrite32(u32 vaddr, std::uint32_t value) override {
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MemoryWrite16(vaddr, static_cast<u16>(value));
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MemoryWrite16(vaddr + 2, static_cast<u16>(value >> 16));
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}
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void MemoryWrite64(u32 vaddr, std::uint64_t value) override {
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MemoryWrite32(vaddr, static_cast<u32>(value));
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MemoryWrite32(vaddr + 4, static_cast<u32>(value >> 32));
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}
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void InterpreterFallback(u32 pc, size_t num_instructions) override { ASSERT_MSG(false, "InterpreterFallback({:08x}, {}) code = {:08x}", pc, num_instructions, *MemoryReadCode(pc)); }
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void CallSVC(std::uint32_t swi) override { ASSERT_MSG(false, "CallSVC({})", swi); }
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void ExceptionRaised(u32 pc, Dynarmic::A32::Exception /*exception*/) override { ASSERT_MSG(false, "ExceptionRaised({:08x}) code = {:08x}", pc, *MemoryReadCode(pc)); }
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void AddTicks(std::uint64_t ticks) override {
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if (ticks > ticks_left) {
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ticks_left = 0;
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return;
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}
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ticks_left -= ticks;
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}
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std::uint64_t GetTicksRemaining() override {
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return ticks_left;
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}
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};
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using ArmTestEnv = A32TestEnv<u32, 0xEAFFFFFE>;
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using ThumbTestEnv = A32TestEnv<u16, 0xE7FEE7FE>;
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class A32FastmemTestEnv final : public Dynarmic::A32::UserCallbacks {
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public:
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u64 ticks_left = 0;
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char* backing_memory = nullptr;
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explicit A32FastmemTestEnv(char* addr)
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: backing_memory(addr) {}
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template<typename T>
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T read(std::uint32_t vaddr) {
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T value;
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memcpy(&value, backing_memory + vaddr, sizeof(T));
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return value;
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}
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template<typename T>
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void write(std::uint32_t vaddr, const T& value) {
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memcpy(backing_memory + vaddr, &value, sizeof(T));
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}
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std::optional<std::uint32_t> MemoryReadCode(std::uint32_t vaddr) override {
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return read<std::uint32_t>(vaddr);
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}
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std::uint8_t MemoryRead8(std::uint32_t vaddr) override {
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return read<std::uint8_t>(vaddr);
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}
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std::uint16_t MemoryRead16(std::uint32_t vaddr) override {
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return read<std::uint16_t>(vaddr);
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}
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std::uint32_t MemoryRead32(std::uint32_t vaddr) override {
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return read<std::uint32_t>(vaddr);
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}
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std::uint64_t MemoryRead64(std::uint32_t vaddr) override {
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return read<std::uint64_t>(vaddr);
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}
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void MemoryWrite8(std::uint32_t vaddr, std::uint8_t value) override {
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write(vaddr, value);
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}
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void MemoryWrite16(std::uint32_t vaddr, std::uint16_t value) override {
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write(vaddr, value);
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}
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void MemoryWrite32(std::uint32_t vaddr, std::uint32_t value) override {
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write(vaddr, value);
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}
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void MemoryWrite64(std::uint32_t vaddr, std::uint64_t value) override {
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write(vaddr, value);
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}
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bool MemoryWriteExclusive8(std::uint32_t vaddr, std::uint8_t value, [[maybe_unused]] std::uint8_t expected) override {
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MemoryWrite8(vaddr, value);
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return true;
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}
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bool MemoryWriteExclusive16(std::uint32_t vaddr, std::uint16_t value, [[maybe_unused]] std::uint16_t expected) override {
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MemoryWrite16(vaddr, value);
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return true;
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}
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bool MemoryWriteExclusive32(std::uint32_t vaddr, std::uint32_t value, [[maybe_unused]] std::uint32_t expected) override {
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MemoryWrite32(vaddr, value);
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return true;
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}
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bool MemoryWriteExclusive64(std::uint32_t vaddr, std::uint64_t value, [[maybe_unused]] std::uint64_t expected) override {
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MemoryWrite64(vaddr, value);
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return true;
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}
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void InterpreterFallback(std::uint32_t pc, size_t num_instructions) override { ASSERT_MSG(false, "InterpreterFallback({:016x}, {})", pc, num_instructions); }
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void CallSVC(std::uint32_t swi) override { ASSERT_MSG(false, "CallSVC({})", swi); }
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void ExceptionRaised(std::uint32_t pc, Dynarmic::A32::Exception) override { ASSERT_MSG(false, "ExceptionRaised({:016x})", pc); }
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void AddTicks(std::uint64_t ticks) override {
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if (ticks > ticks_left) {
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ticks_left = 0;
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return;
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}
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ticks_left -= ticks;
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}
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std::uint64_t GetTicksRemaining() override {
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return ticks_left;
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}
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};
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