756 lines
32 KiB
C++
756 lines
32 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <algorithm>
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#include "common/alignment.h"
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/device_memory.h"
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#include "core/hle/kernel/k_page_table.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/memory.h"
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#include "video_core/invalidation_accumulator.h"
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#include "video_core/memory_manager.h"
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#include "video_core/rasterizer_interface.h"
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#include "video_core/renderer_base.h"
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namespace Tegra {
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std::atomic<size_t> MemoryManager::unique_identifier_generator{};
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MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_, u64 big_page_bits_,
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u64 page_bits_)
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: system{system_}, memory{system.Memory()}, device_memory{system.DeviceMemory()},
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address_space_bits{address_space_bits_}, page_bits{page_bits_}, big_page_bits{big_page_bits_},
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entries{}, big_entries{}, page_table{address_space_bits, address_space_bits + page_bits - 38,
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page_bits != big_page_bits ? page_bits : 0},
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kind_map{PTEKind::INVALID}, unique_identifier{unique_identifier_generator.fetch_add(
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1, std::memory_order_acq_rel)},
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accumulator{std::make_unique<VideoCommon::InvalidationAccumulator>()} {
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address_space_size = 1ULL << address_space_bits;
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page_size = 1ULL << page_bits;
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page_mask = page_size - 1ULL;
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big_page_size = 1ULL << big_page_bits;
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big_page_mask = big_page_size - 1ULL;
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const u64 page_table_bits = address_space_bits - page_bits;
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const u64 big_page_table_bits = address_space_bits - big_page_bits;
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const u64 page_table_size = 1ULL << page_table_bits;
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const u64 big_page_table_size = 1ULL << big_page_table_bits;
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page_table_mask = page_table_size - 1;
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big_page_table_mask = big_page_table_size - 1;
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big_entries.resize(big_page_table_size / 32, 0);
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big_page_table_cpu.resize(big_page_table_size);
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big_page_continous.resize(big_page_table_size / continous_bits, 0);
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entries.resize(page_table_size / 32, 0);
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}
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MemoryManager::~MemoryManager() = default;
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template <bool is_big_page>
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MemoryManager::EntryType MemoryManager::GetEntry(size_t position) const {
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if constexpr (is_big_page) {
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position = position >> big_page_bits;
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const u64 entry_mask = big_entries[position / 32];
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const size_t sub_index = position % 32;
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return static_cast<EntryType>((entry_mask >> (2 * sub_index)) & 0x03ULL);
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} else {
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position = position >> page_bits;
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const u64 entry_mask = entries[position / 32];
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const size_t sub_index = position % 32;
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return static_cast<EntryType>((entry_mask >> (2 * sub_index)) & 0x03ULL);
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}
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}
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template <bool is_big_page>
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void MemoryManager::SetEntry(size_t position, MemoryManager::EntryType entry) {
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if constexpr (is_big_page) {
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position = position >> big_page_bits;
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const u64 entry_mask = big_entries[position / 32];
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const size_t sub_index = position % 32;
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big_entries[position / 32] =
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(~(3ULL << sub_index * 2) & entry_mask) | (static_cast<u64>(entry) << sub_index * 2);
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} else {
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position = position >> page_bits;
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const u64 entry_mask = entries[position / 32];
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const size_t sub_index = position % 32;
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entries[position / 32] =
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(~(3ULL << sub_index * 2) & entry_mask) | (static_cast<u64>(entry) << sub_index * 2);
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}
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}
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PTEKind MemoryManager::GetPageKind(GPUVAddr gpu_addr) const {
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return kind_map.GetValueAt(gpu_addr);
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}
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inline bool MemoryManager::IsBigPageContinous(size_t big_page_index) const {
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const u64 entry_mask = big_page_continous[big_page_index / continous_bits];
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const size_t sub_index = big_page_index % continous_bits;
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return ((entry_mask >> sub_index) & 0x1ULL) != 0;
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}
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inline void MemoryManager::SetBigPageContinous(size_t big_page_index, bool value) {
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const u64 continous_mask = big_page_continous[big_page_index / continous_bits];
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const size_t sub_index = big_page_index % continous_bits;
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big_page_continous[big_page_index / continous_bits] =
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(~(1ULL << sub_index) & continous_mask) | (value ? 1ULL << sub_index : 0);
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}
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template <MemoryManager::EntryType entry_type>
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GPUVAddr MemoryManager::PageTableOp(GPUVAddr gpu_addr, [[maybe_unused]] VAddr cpu_addr, size_t size,
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PTEKind kind) {
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[[maybe_unused]] u64 remaining_size{size};
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if constexpr (entry_type == EntryType::Mapped) {
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page_table.ReserveRange(gpu_addr, size);
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}
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for (u64 offset{}; offset < size; offset += page_size) {
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const GPUVAddr current_gpu_addr = gpu_addr + offset;
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[[maybe_unused]] const auto current_entry_type = GetEntry<false>(current_gpu_addr);
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SetEntry<false>(current_gpu_addr, entry_type);
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if (current_entry_type != entry_type) {
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rasterizer->ModifyGPUMemory(unique_identifier, gpu_addr, page_size);
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}
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if constexpr (entry_type == EntryType::Mapped) {
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const VAddr current_cpu_addr = cpu_addr + offset;
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const auto index = PageEntryIndex<false>(current_gpu_addr);
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const u32 sub_value = static_cast<u32>(current_cpu_addr >> cpu_page_bits);
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page_table[index] = sub_value;
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}
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remaining_size -= page_size;
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}
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kind_map.Map(gpu_addr, gpu_addr + size, kind);
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return gpu_addr;
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}
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template <MemoryManager::EntryType entry_type>
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GPUVAddr MemoryManager::BigPageTableOp(GPUVAddr gpu_addr, [[maybe_unused]] VAddr cpu_addr,
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size_t size, PTEKind kind) {
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[[maybe_unused]] u64 remaining_size{size};
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for (u64 offset{}; offset < size; offset += big_page_size) {
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const GPUVAddr current_gpu_addr = gpu_addr + offset;
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[[maybe_unused]] const auto current_entry_type = GetEntry<true>(current_gpu_addr);
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SetEntry<true>(current_gpu_addr, entry_type);
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if (current_entry_type != entry_type) {
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rasterizer->ModifyGPUMemory(unique_identifier, gpu_addr, big_page_size);
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}
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if constexpr (entry_type == EntryType::Mapped) {
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const VAddr current_cpu_addr = cpu_addr + offset;
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const auto index = PageEntryIndex<true>(current_gpu_addr);
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const u32 sub_value = static_cast<u32>(current_cpu_addr >> cpu_page_bits);
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big_page_table_cpu[index] = sub_value;
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const bool is_continous = ([&] {
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uintptr_t base_ptr{
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reinterpret_cast<uintptr_t>(memory.GetPointerSilent(current_cpu_addr))};
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if (base_ptr == 0) {
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return false;
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}
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for (VAddr start_cpu = current_cpu_addr + page_size;
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start_cpu < current_cpu_addr + big_page_size; start_cpu += page_size) {
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base_ptr += page_size;
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auto next_ptr = reinterpret_cast<uintptr_t>(memory.GetPointerSilent(start_cpu));
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if (next_ptr == 0 || base_ptr != next_ptr) {
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return false;
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}
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}
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return true;
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})();
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SetBigPageContinous(index, is_continous);
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}
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remaining_size -= big_page_size;
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}
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kind_map.Map(gpu_addr, gpu_addr + size, kind);
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return gpu_addr;
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}
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void MemoryManager::BindRasterizer(VideoCore::RasterizerInterface* rasterizer_) {
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rasterizer = rasterizer_;
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}
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GPUVAddr MemoryManager::Map(GPUVAddr gpu_addr, VAddr cpu_addr, std::size_t size, PTEKind kind,
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bool is_big_pages) {
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if (is_big_pages) [[likely]] {
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return BigPageTableOp<EntryType::Mapped>(gpu_addr, cpu_addr, size, kind);
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}
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return PageTableOp<EntryType::Mapped>(gpu_addr, cpu_addr, size, kind);
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}
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GPUVAddr MemoryManager::MapSparse(GPUVAddr gpu_addr, std::size_t size, bool is_big_pages) {
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if (is_big_pages) [[likely]] {
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return BigPageTableOp<EntryType::Reserved>(gpu_addr, 0, size, PTEKind::INVALID);
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}
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return PageTableOp<EntryType::Reserved>(gpu_addr, 0, size, PTEKind::INVALID);
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}
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void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
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if (size == 0) {
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return;
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}
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GetSubmappedRangeImpl<false>(gpu_addr, size, page_stash);
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for (const auto& [map_addr, map_size] : page_stash) {
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rasterizer->UnmapMemory(map_addr, map_size);
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}
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page_stash.clear();
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BigPageTableOp<EntryType::Free>(gpu_addr, 0, size, PTEKind::INVALID);
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PageTableOp<EntryType::Free>(gpu_addr, 0, size, PTEKind::INVALID);
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}
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std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) const {
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if (!IsWithinGPUAddressRange(gpu_addr)) [[unlikely]] {
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return std::nullopt;
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}
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if (GetEntry<true>(gpu_addr) != EntryType::Mapped) [[unlikely]] {
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if (GetEntry<false>(gpu_addr) != EntryType::Mapped) {
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return std::nullopt;
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}
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const VAddr cpu_addr_base = static_cast<VAddr>(page_table[PageEntryIndex<false>(gpu_addr)])
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<< cpu_page_bits;
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return cpu_addr_base + (gpu_addr & page_mask);
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}
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const VAddr cpu_addr_base =
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static_cast<VAddr>(big_page_table_cpu[PageEntryIndex<true>(gpu_addr)]) << cpu_page_bits;
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return cpu_addr_base + (gpu_addr & big_page_mask);
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}
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std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr addr, std::size_t size) const {
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size_t page_index{addr >> page_bits};
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const size_t page_last{(addr + size + page_size - 1) >> page_bits};
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while (page_index < page_last) {
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const auto page_addr{GpuToCpuAddress(page_index << page_bits)};
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if (page_addr) {
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return page_addr;
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}
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++page_index;
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}
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return std::nullopt;
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}
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template <typename T>
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T MemoryManager::Read(GPUVAddr addr) const {
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if (auto page_pointer{GetPointer(addr)}; page_pointer) {
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// NOTE: Avoid adding any extra logic to this fast-path block
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T value;
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std::memcpy(&value, page_pointer, sizeof(T));
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return value;
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}
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ASSERT(false);
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return {};
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}
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template <typename T>
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void MemoryManager::Write(GPUVAddr addr, T data) {
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if (auto page_pointer{GetPointer(addr)}; page_pointer) {
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// NOTE: Avoid adding any extra logic to this fast-path block
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std::memcpy(page_pointer, &data, sizeof(T));
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return;
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}
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ASSERT(false);
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}
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template u8 MemoryManager::Read<u8>(GPUVAddr addr) const;
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template u16 MemoryManager::Read<u16>(GPUVAddr addr) const;
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template u32 MemoryManager::Read<u32>(GPUVAddr addr) const;
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template u64 MemoryManager::Read<u64>(GPUVAddr addr) const;
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template void MemoryManager::Write<u8>(GPUVAddr addr, u8 data);
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template void MemoryManager::Write<u16>(GPUVAddr addr, u16 data);
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template void MemoryManager::Write<u32>(GPUVAddr addr, u32 data);
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template void MemoryManager::Write<u64>(GPUVAddr addr, u64 data);
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u8* MemoryManager::GetPointer(GPUVAddr gpu_addr) {
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const auto address{GpuToCpuAddress(gpu_addr)};
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if (!address) {
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return {};
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}
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return memory.GetPointer(*address);
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}
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const u8* MemoryManager::GetPointer(GPUVAddr gpu_addr) const {
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const auto address{GpuToCpuAddress(gpu_addr)};
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if (!address) {
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return {};
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}
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return memory.GetPointer(*address);
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}
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#ifdef _MSC_VER // no need for gcc / clang but msvc's compiler is more conservative with inlining.
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#pragma inline_recursion(on)
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#endif
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template <bool is_big_pages, typename FuncMapped, typename FuncReserved, typename FuncUnmapped>
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inline void MemoryManager::MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size,
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FuncMapped&& func_mapped, FuncReserved&& func_reserved,
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FuncUnmapped&& func_unmapped) const {
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using FuncMappedReturn =
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typename std::invoke_result<FuncMapped, std::size_t, std::size_t, std::size_t>::type;
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using FuncReservedReturn =
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typename std::invoke_result<FuncReserved, std::size_t, std::size_t, std::size_t>::type;
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using FuncUnmappedReturn =
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typename std::invoke_result<FuncUnmapped, std::size_t, std::size_t, std::size_t>::type;
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static constexpr bool BOOL_BREAK_MAPPED = std::is_same_v<FuncMappedReturn, bool>;
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static constexpr bool BOOL_BREAK_RESERVED = std::is_same_v<FuncReservedReturn, bool>;
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static constexpr bool BOOL_BREAK_UNMAPPED = std::is_same_v<FuncUnmappedReturn, bool>;
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u64 used_page_size;
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u64 used_page_mask;
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u64 used_page_bits;
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if constexpr (is_big_pages) {
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used_page_size = big_page_size;
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used_page_mask = big_page_mask;
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used_page_bits = big_page_bits;
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} else {
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used_page_size = page_size;
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used_page_mask = page_mask;
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used_page_bits = page_bits;
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}
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std::size_t remaining_size{size};
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std::size_t page_index{gpu_src_addr >> used_page_bits};
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std::size_t page_offset{gpu_src_addr & used_page_mask};
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GPUVAddr current_address = gpu_src_addr;
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while (remaining_size > 0) {
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const std::size_t copy_amount{
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std::min(static_cast<std::size_t>(used_page_size) - page_offset, remaining_size)};
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auto entry = GetEntry<is_big_pages>(current_address);
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if (entry == EntryType::Mapped) [[likely]] {
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if constexpr (BOOL_BREAK_MAPPED) {
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if (func_mapped(page_index, page_offset, copy_amount)) {
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return;
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}
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} else {
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func_mapped(page_index, page_offset, copy_amount);
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}
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} else if (entry == EntryType::Reserved) {
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if constexpr (BOOL_BREAK_RESERVED) {
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if (func_reserved(page_index, page_offset, copy_amount)) {
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return;
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}
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} else {
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func_reserved(page_index, page_offset, copy_amount);
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}
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} else [[unlikely]] {
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if constexpr (BOOL_BREAK_UNMAPPED) {
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if (func_unmapped(page_index, page_offset, copy_amount)) {
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return;
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}
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} else {
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func_unmapped(page_index, page_offset, copy_amount);
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}
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}
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page_index++;
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page_offset = 0;
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remaining_size -= copy_amount;
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current_address += copy_amount;
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}
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}
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template <bool is_safe>
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void MemoryManager::ReadBlockImpl(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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[[maybe_unused]] VideoCommon::CacheType which) const {
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auto set_to_zero = [&]([[maybe_unused]] std::size_t page_index,
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[[maybe_unused]] std::size_t offset, std::size_t copy_amount) {
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std::memset(dest_buffer, 0, copy_amount);
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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};
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auto mapped_normal = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
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const VAddr cpu_addr_base =
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(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
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if constexpr (is_safe) {
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rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
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}
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u8* physical = memory.GetPointer(cpu_addr_base);
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std::memcpy(dest_buffer, physical, copy_amount);
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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};
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auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
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const VAddr cpu_addr_base =
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(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
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if constexpr (is_safe) {
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rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
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}
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if (!IsBigPageContinous(page_index)) [[unlikely]] {
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memory.ReadBlockUnsafe(cpu_addr_base, dest_buffer, copy_amount);
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} else {
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u8* physical = memory.GetPointer(cpu_addr_base);
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std::memcpy(dest_buffer, physical, copy_amount);
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}
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dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
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};
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auto read_short_pages = [&](std::size_t page_index, std::size_t offset,
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std::size_t copy_amount) {
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GPUVAddr base = (page_index << big_page_bits) + offset;
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MemoryOperation<false>(base, copy_amount, mapped_normal, set_to_zero, set_to_zero);
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};
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MemoryOperation<true>(gpu_src_addr, size, mapped_big, set_to_zero, read_short_pages);
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}
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void MemoryManager::ReadBlock(GPUVAddr gpu_src_addr, void* dest_buffer, std::size_t size,
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VideoCommon::CacheType which) const {
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ReadBlockImpl<true>(gpu_src_addr, dest_buffer, size, which);
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}
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void MemoryManager::ReadBlockUnsafe(GPUVAddr gpu_src_addr, void* dest_buffer,
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const std::size_t size) const {
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ReadBlockImpl<false>(gpu_src_addr, dest_buffer, size, VideoCommon::CacheType::None);
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}
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template <bool is_safe>
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void MemoryManager::WriteBlockImpl(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size,
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[[maybe_unused]] VideoCommon::CacheType which) {
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auto just_advance = [&]([[maybe_unused]] std::size_t page_index,
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[[maybe_unused]] std::size_t offset, std::size_t copy_amount) {
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src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
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};
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auto mapped_normal = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
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const VAddr cpu_addr_base =
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(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
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if constexpr (is_safe) {
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rasterizer->InvalidateRegion(cpu_addr_base, copy_amount, which);
|
|
}
|
|
u8* physical = memory.GetPointer(cpu_addr_base);
|
|
std::memcpy(physical, src_buffer, copy_amount);
|
|
src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
|
|
};
|
|
auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
|
|
if constexpr (is_safe) {
|
|
rasterizer->InvalidateRegion(cpu_addr_base, copy_amount, which);
|
|
}
|
|
if (!IsBigPageContinous(page_index)) [[unlikely]] {
|
|
memory.WriteBlockUnsafe(cpu_addr_base, src_buffer, copy_amount);
|
|
} else {
|
|
u8* physical = memory.GetPointer(cpu_addr_base);
|
|
std::memcpy(physical, src_buffer, copy_amount);
|
|
}
|
|
src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
|
|
};
|
|
auto write_short_pages = [&](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, mapped_normal, just_advance, just_advance);
|
|
};
|
|
MemoryOperation<true>(gpu_dest_addr, size, mapped_big, just_advance, write_short_pages);
|
|
}
|
|
|
|
void MemoryManager::WriteBlock(GPUVAddr gpu_dest_addr, const void* src_buffer, std::size_t size,
|
|
VideoCommon::CacheType which) {
|
|
WriteBlockImpl<true>(gpu_dest_addr, src_buffer, size, which);
|
|
}
|
|
|
|
void MemoryManager::WriteBlockUnsafe(GPUVAddr gpu_dest_addr, const void* src_buffer,
|
|
std::size_t size) {
|
|
WriteBlockImpl<false>(gpu_dest_addr, src_buffer, size, VideoCommon::CacheType::None);
|
|
}
|
|
|
|
void MemoryManager::WriteBlockCached(GPUVAddr gpu_dest_addr, const void* src_buffer,
|
|
std::size_t size) {
|
|
WriteBlockImpl<false>(gpu_dest_addr, src_buffer, size, VideoCommon::CacheType::None);
|
|
accumulator->Add(gpu_dest_addr, size);
|
|
}
|
|
|
|
void MemoryManager::FlushRegion(GPUVAddr gpu_addr, size_t size,
|
|
VideoCommon::CacheType which) const {
|
|
auto do_nothing = [&]([[maybe_unused]] std::size_t page_index,
|
|
[[maybe_unused]] std::size_t offset,
|
|
[[maybe_unused]] std::size_t copy_amount) {};
|
|
|
|
auto mapped_normal = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
|
|
rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
|
|
};
|
|
auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
|
|
rasterizer->FlushRegion(cpu_addr_base, copy_amount, which);
|
|
};
|
|
auto flush_short_pages = [&](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, mapped_normal, do_nothing, do_nothing);
|
|
};
|
|
MemoryOperation<true>(gpu_addr, size, mapped_big, do_nothing, flush_short_pages);
|
|
}
|
|
|
|
bool MemoryManager::IsMemoryDirty(GPUVAddr gpu_addr, size_t size,
|
|
VideoCommon::CacheType which) const {
|
|
bool result = false;
|
|
auto do_nothing = [&]([[maybe_unused]] std::size_t page_index,
|
|
[[maybe_unused]] std::size_t offset,
|
|
[[maybe_unused]] std::size_t copy_amount) { return false; };
|
|
|
|
auto mapped_normal = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
|
|
result |= rasterizer->MustFlushRegion(cpu_addr_base, copy_amount, which);
|
|
return result;
|
|
};
|
|
auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
|
|
result |= rasterizer->MustFlushRegion(cpu_addr_base, copy_amount, which);
|
|
return result;
|
|
};
|
|
auto check_short_pages = [&](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, mapped_normal, do_nothing, do_nothing);
|
|
return result;
|
|
};
|
|
MemoryOperation<true>(gpu_addr, size, mapped_big, do_nothing, check_short_pages);
|
|
return result;
|
|
}
|
|
|
|
size_t MemoryManager::MaxContinousRange(GPUVAddr gpu_addr, size_t size) const {
|
|
std::optional<VAddr> old_page_addr{};
|
|
size_t range_so_far = 0;
|
|
bool result{false};
|
|
auto fail = [&]([[maybe_unused]] std::size_t page_index, [[maybe_unused]] std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
result = true;
|
|
return true;
|
|
};
|
|
auto short_check = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
|
|
if (old_page_addr && *old_page_addr != cpu_addr_base) {
|
|
result = true;
|
|
return true;
|
|
}
|
|
range_so_far += copy_amount;
|
|
old_page_addr = {cpu_addr_base + copy_amount};
|
|
return false;
|
|
};
|
|
auto big_check = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
|
|
if (old_page_addr && *old_page_addr != cpu_addr_base) {
|
|
return true;
|
|
}
|
|
range_so_far += copy_amount;
|
|
old_page_addr = {cpu_addr_base + copy_amount};
|
|
return false;
|
|
};
|
|
auto check_short_pages = [&](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, short_check, fail, fail);
|
|
return result;
|
|
};
|
|
MemoryOperation<true>(gpu_addr, size, big_check, fail, check_short_pages);
|
|
return range_so_far;
|
|
}
|
|
|
|
size_t MemoryManager::GetMemoryLayoutSize(GPUVAddr gpu_addr, size_t max_size) const {
|
|
return kind_map.GetContinousSizeFrom(gpu_addr);
|
|
}
|
|
|
|
void MemoryManager::InvalidateRegion(GPUVAddr gpu_addr, size_t size,
|
|
VideoCommon::CacheType which) const {
|
|
auto do_nothing = [&]([[maybe_unused]] std::size_t page_index,
|
|
[[maybe_unused]] std::size_t offset,
|
|
[[maybe_unused]] std::size_t copy_amount) {};
|
|
|
|
auto mapped_normal = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
|
|
rasterizer->InvalidateRegion(cpu_addr_base, copy_amount, which);
|
|
};
|
|
auto mapped_big = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
|
|
rasterizer->InvalidateRegion(cpu_addr_base, copy_amount, which);
|
|
};
|
|
auto invalidate_short_pages = [&](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, mapped_normal, do_nothing, do_nothing);
|
|
};
|
|
MemoryOperation<true>(gpu_addr, size, mapped_big, do_nothing, invalidate_short_pages);
|
|
}
|
|
|
|
void MemoryManager::CopyBlock(GPUVAddr gpu_dest_addr, GPUVAddr gpu_src_addr, std::size_t size,
|
|
VideoCommon::CacheType which) {
|
|
std::vector<u8> tmp_buffer(size);
|
|
ReadBlock(gpu_src_addr, tmp_buffer.data(), size, which);
|
|
|
|
// The output block must be flushed in case it has data modified from the GPU.
|
|
// Fixes NPC geometry in Zombie Panic in Wonderland DX
|
|
FlushRegion(gpu_dest_addr, size, which);
|
|
WriteBlock(gpu_dest_addr, tmp_buffer.data(), size, which);
|
|
}
|
|
|
|
bool MemoryManager::IsGranularRange(GPUVAddr gpu_addr, std::size_t size) const {
|
|
if (GetEntry<true>(gpu_addr) == EntryType::Mapped) [[likely]] {
|
|
size_t page_index = gpu_addr >> big_page_bits;
|
|
if (IsBigPageContinous(page_index)) [[likely]] {
|
|
const std::size_t page{(page_index & big_page_mask) + size};
|
|
return page <= big_page_size;
|
|
}
|
|
const std::size_t page{(gpu_addr & Core::Memory::YUZU_PAGEMASK) + size};
|
|
return page <= Core::Memory::YUZU_PAGESIZE;
|
|
}
|
|
if (GetEntry<false>(gpu_addr) != EntryType::Mapped) {
|
|
return false;
|
|
}
|
|
const std::size_t page{(gpu_addr & Core::Memory::YUZU_PAGEMASK) + size};
|
|
return page <= Core::Memory::YUZU_PAGESIZE;
|
|
}
|
|
|
|
bool MemoryManager::IsContinousRange(GPUVAddr gpu_addr, std::size_t size) const {
|
|
std::optional<VAddr> old_page_addr{};
|
|
bool result{true};
|
|
auto fail = [&]([[maybe_unused]] std::size_t page_index, [[maybe_unused]] std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
result = false;
|
|
return true;
|
|
};
|
|
auto short_check = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
|
|
if (old_page_addr && *old_page_addr != cpu_addr_base) {
|
|
result = false;
|
|
return true;
|
|
}
|
|
old_page_addr = {cpu_addr_base + copy_amount};
|
|
return false;
|
|
};
|
|
auto big_check = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
|
|
if (old_page_addr && *old_page_addr != cpu_addr_base) {
|
|
result = false;
|
|
return true;
|
|
}
|
|
old_page_addr = {cpu_addr_base + copy_amount};
|
|
return false;
|
|
};
|
|
auto check_short_pages = [&](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, short_check, fail, fail);
|
|
return !result;
|
|
};
|
|
MemoryOperation<true>(gpu_addr, size, big_check, fail, check_short_pages);
|
|
return result;
|
|
}
|
|
|
|
bool MemoryManager::IsFullyMappedRange(GPUVAddr gpu_addr, std::size_t size) const {
|
|
bool result{true};
|
|
auto fail = [&]([[maybe_unused]] std::size_t page_index, [[maybe_unused]] std::size_t offset,
|
|
[[maybe_unused]] std::size_t copy_amount) {
|
|
result = false;
|
|
return true;
|
|
};
|
|
auto pass = [&]([[maybe_unused]] std::size_t page_index, [[maybe_unused]] std::size_t offset,
|
|
[[maybe_unused]] std::size_t copy_amount) { return false; };
|
|
auto check_short_pages = [&](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, pass, pass, fail);
|
|
return !result;
|
|
};
|
|
MemoryOperation<true>(gpu_addr, size, pass, fail, check_short_pages);
|
|
return result;
|
|
}
|
|
|
|
std::vector<std::pair<GPUVAddr, std::size_t>> MemoryManager::GetSubmappedRange(
|
|
GPUVAddr gpu_addr, std::size_t size) const {
|
|
std::vector<std::pair<GPUVAddr, std::size_t>> result{};
|
|
GetSubmappedRangeImpl<true>(gpu_addr, size, result);
|
|
return result;
|
|
}
|
|
|
|
template <bool is_gpu_address>
|
|
void MemoryManager::GetSubmappedRangeImpl(
|
|
GPUVAddr gpu_addr, std::size_t size,
|
|
std::vector<std::pair<std::conditional_t<is_gpu_address, GPUVAddr, VAddr>, std::size_t>>&
|
|
result) const {
|
|
std::optional<std::pair<std::conditional_t<is_gpu_address, GPUVAddr, VAddr>, std::size_t>>
|
|
last_segment{};
|
|
std::optional<VAddr> old_page_addr{};
|
|
const auto split = [&last_segment, &result]([[maybe_unused]] std::size_t page_index,
|
|
[[maybe_unused]] std::size_t offset,
|
|
[[maybe_unused]] std::size_t copy_amount) {
|
|
if (last_segment) {
|
|
result.push_back(*last_segment);
|
|
last_segment = std::nullopt;
|
|
}
|
|
};
|
|
const auto extend_size_big = [this, &split, &old_page_addr,
|
|
&last_segment](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(big_page_table_cpu[page_index]) << cpu_page_bits) + offset;
|
|
if (old_page_addr) {
|
|
if (*old_page_addr != cpu_addr_base) {
|
|
split(0, 0, 0);
|
|
}
|
|
}
|
|
old_page_addr = {cpu_addr_base + copy_amount};
|
|
if (!last_segment) {
|
|
if constexpr (is_gpu_address) {
|
|
const GPUVAddr new_base_addr = (page_index << big_page_bits) + offset;
|
|
last_segment = {new_base_addr, copy_amount};
|
|
} else {
|
|
last_segment = {cpu_addr_base, copy_amount};
|
|
}
|
|
} else {
|
|
last_segment->second += copy_amount;
|
|
}
|
|
};
|
|
const auto extend_size_short = [this, &split, &old_page_addr,
|
|
&last_segment](std::size_t page_index, std::size_t offset,
|
|
std::size_t copy_amount) {
|
|
const VAddr cpu_addr_base =
|
|
(static_cast<VAddr>(page_table[page_index]) << cpu_page_bits) + offset;
|
|
if (old_page_addr) {
|
|
if (*old_page_addr != cpu_addr_base) {
|
|
split(0, 0, 0);
|
|
}
|
|
}
|
|
old_page_addr = {cpu_addr_base + copy_amount};
|
|
if (!last_segment) {
|
|
if constexpr (is_gpu_address) {
|
|
const GPUVAddr new_base_addr = (page_index << page_bits) + offset;
|
|
last_segment = {new_base_addr, copy_amount};
|
|
} else {
|
|
last_segment = {cpu_addr_base, copy_amount};
|
|
}
|
|
} else {
|
|
last_segment->second += copy_amount;
|
|
}
|
|
};
|
|
auto do_short_pages = [&](std::size_t page_index, std::size_t offset, std::size_t copy_amount) {
|
|
GPUVAddr base = (page_index << big_page_bits) + offset;
|
|
MemoryOperation<false>(base, copy_amount, extend_size_short, split, split);
|
|
};
|
|
MemoryOperation<true>(gpu_addr, size, extend_size_big, split, do_short_pages);
|
|
split(0, 0, 0);
|
|
}
|
|
|
|
void MemoryManager::FlushCaching() {
|
|
if (!accumulator->AnyAccumulated()) {
|
|
return;
|
|
}
|
|
accumulator->Callback([this](GPUVAddr addr, size_t size) {
|
|
GetSubmappedRangeImpl<false>(addr, size, page_stash);
|
|
});
|
|
rasterizer->InnerInvalidation(page_stash);
|
|
page_stash.clear();
|
|
accumulator->Clear();
|
|
}
|
|
|
|
} // namespace Tegra
|