From 93da8e0abfcdcc6e3cb5488a0db12373429f1377 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 2 Mar 2019 15:20:28 -0500 Subject: [PATCH] core: Move PageTable struct into Common. --- src/common/CMakeLists.txt | 4 + src/{core => common}/memory_hook.cpp | 6 +- src/{core => common}/memory_hook.h | 4 +- src/common/page_table.cpp | 29 ++++++ src/common/page_table.h | 80 +++++++++++++++ src/core/CMakeLists.txt | 2 - src/core/arm/dynarmic/arm_dynarmic.h | 4 +- src/core/hle/kernel/process.cpp | 2 +- src/core/hle/kernel/scheduler.cpp | 2 +- src/core/hle/kernel/vm_manager.cpp | 6 +- src/core/hle/kernel/vm_manager.h | 9 +- src/core/memory.cpp | 134 +++++++++++-------------- src/core/memory.h | 74 ++------------ src/core/memory_setup.h | 19 ++-- src/tests/core/arm/arm_test_common.cpp | 3 +- src/tests/core/arm/arm_test_common.h | 8 +- 16 files changed, 215 insertions(+), 171 deletions(-) rename src/{core => common}/memory_hook.cpp (69%) rename src/{core => common}/memory_hook.h (97%) create mode 100644 src/common/page_table.cpp create mode 100644 src/common/page_table.h diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index c538c64158..43ae8a9e7e 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -92,10 +92,14 @@ add_library(common STATIC logging/text_formatter.cpp logging/text_formatter.h math_util.h + memory_hook.cpp + memory_hook.h microprofile.cpp microprofile.h microprofileui.h misc.cpp + page_table.cpp + page_table.h param_package.cpp param_package.h quaternion.h diff --git a/src/core/memory_hook.cpp b/src/common/memory_hook.cpp similarity index 69% rename from src/core/memory_hook.cpp rename to src/common/memory_hook.cpp index c61c6c1fb1..3986986d6d 100644 --- a/src/core/memory_hook.cpp +++ b/src/common/memory_hook.cpp @@ -2,10 +2,10 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -#include "core/memory_hook.h" +#include "common/memory_hook.h" -namespace Memory { +namespace Common { MemoryHook::~MemoryHook() = default; -} // namespace Memory +} // namespace Common diff --git a/src/core/memory_hook.h b/src/common/memory_hook.h similarity index 97% rename from src/core/memory_hook.h rename to src/common/memory_hook.h index 940777107b..adaa4c2c5f 100644 --- a/src/core/memory_hook.h +++ b/src/common/memory_hook.h @@ -9,7 +9,7 @@ #include "common/common_types.h" -namespace Memory { +namespace Common { /** * Memory hooks have two purposes: @@ -44,4 +44,4 @@ public: }; using MemoryHookPointer = std::shared_ptr; -} // namespace Memory +} // namespace Common diff --git a/src/common/page_table.cpp b/src/common/page_table.cpp new file mode 100644 index 0000000000..8eba1c3f12 --- /dev/null +++ b/src/common/page_table.cpp @@ -0,0 +1,29 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/page_table.h" + +namespace Common { + +PageTable::PageTable(std::size_t page_size_in_bits) : page_size_in_bits{page_size_in_bits} {} + +PageTable::~PageTable() = default; + +void PageTable::Resize(std::size_t address_space_width_in_bits) { + const std::size_t num_page_table_entries = 1ULL + << (address_space_width_in_bits - page_size_in_bits); + + pointers.resize(num_page_table_entries); + attributes.resize(num_page_table_entries); + + // The default is a 39-bit address space, which causes an initial 1GB allocation size. If the + // vector size is subsequently decreased (via resize), the vector might not automatically + // actually reallocate/resize its underlying allocation, which wastes up to ~800 MB for + // 36-bit titles. Call shrink_to_fit to reduce capacity to what's actually in use. + + pointers.shrink_to_fit(); + attributes.shrink_to_fit(); +} + +} // namespace Common diff --git a/src/common/page_table.h b/src/common/page_table.h new file mode 100644 index 0000000000..8339f2890c --- /dev/null +++ b/src/common/page_table.h @@ -0,0 +1,80 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include +#include +#include "common/common_types.h" +#include "common/memory_hook.h" + +namespace Common { + +enum class PageType : u8 { + /// Page is unmapped and should cause an access error. + Unmapped, + /// Page is mapped to regular memory. This is the only type you can get pointers to. + Memory, + /// Page is mapped to regular memory, but also needs to check for rasterizer cache flushing and + /// invalidation + RasterizerCachedMemory, + /// Page is mapped to a I/O region. Writing and reading to this page is handled by functions. + Special, +}; + +struct SpecialRegion { + enum class Type { + DebugHook, + IODevice, + } type; + + MemoryHookPointer handler; + + bool operator<(const SpecialRegion& other) const { + return std::tie(type, handler) < std::tie(other.type, other.handler); + } + + bool operator==(const SpecialRegion& other) const { + return std::tie(type, handler) == std::tie(other.type, other.handler); + } +}; + +/** + * A (reasonably) fast way of allowing switchable and remappable process address spaces. It loosely + * mimics the way a real CPU page table works. + */ +struct PageTable { + explicit PageTable(std::size_t page_size_in_bits); + ~PageTable(); + + /** + * Resizes the page table to be able to accomodate enough pages within + * a given address space. + * + * @param address_space_width_in_bits The address size width in bits. + */ + void Resize(std::size_t address_space_width_in_bits); + + /** + * Vector of memory pointers backing each page. An entry can only be non-null if the + * corresponding entry in the `attributes` vector is of type `Memory`. + */ + std::vector pointers; + + /** + * Contains MMIO handlers that back memory regions whose entries in the `attribute` vector is + * of type `Special`. + */ + boost::icl::interval_map> special_regions; + + /** + * Vector of fine grained page attributes. If it is set to any value other than `Memory`, then + * the corresponding entry in `pointers` MUST be set to null. + */ + std::vector attributes; + + const std::size_t page_size_in_bits{}; +}; + +} // namespace Common diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 8ccb2d5f00..aee8bc27d2 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -437,8 +437,6 @@ add_library(core STATIC loader/xci.h memory.cpp memory.h - memory_hook.cpp - memory_hook.h memory_setup.h perf_stats.cpp perf_stats.h diff --git a/src/core/arm/dynarmic/arm_dynarmic.h b/src/core/arm/dynarmic/arm_dynarmic.h index 6cc458296e..aada1e8622 100644 --- a/src/core/arm/dynarmic/arm_dynarmic.h +++ b/src/core/arm/dynarmic/arm_dynarmic.h @@ -12,7 +12,7 @@ #include "core/arm/exclusive_monitor.h" #include "core/arm/unicorn/arm_unicorn.h" -namespace Memory { +namespace Common { struct PageTable; } @@ -70,7 +70,7 @@ private: Timing::CoreTiming& core_timing; DynarmicExclusiveMonitor& exclusive_monitor; - Memory::PageTable* current_page_table = nullptr; + Common::PageTable* current_page_table = nullptr; }; class DynarmicExclusiveMonitor final : public ExclusiveMonitor { diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 49fced7b15..65c51003db 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -31,7 +31,7 @@ namespace { */ void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) { // Setup page table so we can write to memory - SetCurrentPageTable(&owner_process.VMManager().page_table); + Memory::SetCurrentPageTable(&owner_process.VMManager().page_table); // Initialize new "main" thread const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress(); diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp index e524509df5..cc189cc64d 100644 --- a/src/core/hle/kernel/scheduler.cpp +++ b/src/core/hle/kernel/scheduler.cpp @@ -96,7 +96,7 @@ void Scheduler::SwitchContext(Thread* new_thread) { auto* const thread_owner_process = current_thread->GetOwnerProcess(); if (previous_process != thread_owner_process) { system.Kernel().MakeCurrentProcess(thread_owner_process); - SetCurrentPageTable(&thread_owner_process->VMManager().page_table); + Memory::SetCurrentPageTable(&thread_owner_process->VMManager().page_table); } cpu_core.LoadContext(new_thread->GetContext()); diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index 05c59af348..3def3e52ca 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -7,13 +7,13 @@ #include #include "common/assert.h" #include "common/logging/log.h" +#include "common/memory_hook.h" #include "core/arm/arm_interface.h" #include "core/core.h" #include "core/file_sys/program_metadata.h" #include "core/hle/kernel/errors.h" #include "core/hle/kernel/vm_manager.h" #include "core/memory.h" -#include "core/memory_hook.h" #include "core/memory_setup.h" namespace Kernel { @@ -177,7 +177,7 @@ ResultVal VMManager::FindFreeRegion(u64 size) const { ResultVal VMManager::MapMMIO(VAddr target, PAddr paddr, u64 size, MemoryState state, - Memory::MemoryHookPointer mmio_handler) { + Common::MemoryHookPointer mmio_handler) { // This is the appropriately sized VMA that will turn into our allocation. CASCADE_RESULT(VMAIter vma_handle, CarveVMA(target, size)); VirtualMemoryArea& final_vma = vma_handle->second; @@ -624,7 +624,7 @@ void VMManager::ClearPageTable() { std::fill(page_table.pointers.begin(), page_table.pointers.end(), nullptr); page_table.special_regions.clear(); std::fill(page_table.attributes.begin(), page_table.attributes.end(), - Memory::PageType::Unmapped); + Common::PageType::Unmapped); } VMManager::CheckResults VMManager::CheckRangeState(VAddr address, u64 size, MemoryState state_mask, diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h index 88e0b3c02f..b96980f8f8 100644 --- a/src/core/hle/kernel/vm_manager.h +++ b/src/core/hle/kernel/vm_manager.h @@ -9,9 +9,10 @@ #include #include #include "common/common_types.h" +#include "common/memory_hook.h" +#include "common/page_table.h" #include "core/hle/result.h" #include "core/memory.h" -#include "core/memory_hook.h" namespace FileSys { enum class ProgramAddressSpaceType : u8; @@ -290,7 +291,7 @@ struct VirtualMemoryArea { // Settings for type = MMIO /// Physical address of the register area this VMA maps to. PAddr paddr = 0; - Memory::MemoryHookPointer mmio_handler = nullptr; + Common::MemoryHookPointer mmio_handler = nullptr; /// Tests if this area can be merged to the right with `next`. bool CanBeMergedWith(const VirtualMemoryArea& next) const; @@ -368,7 +369,7 @@ public: * @param mmio_handler The handler that will implement read and write for this MMIO region. */ ResultVal MapMMIO(VAddr target, PAddr paddr, u64 size, MemoryState state, - Memory::MemoryHookPointer mmio_handler); + Common::MemoryHookPointer mmio_handler); /// Unmaps a range of addresses, splitting VMAs as necessary. ResultCode UnmapRange(VAddr target, u64 size); @@ -509,7 +510,7 @@ public: /// Each VMManager has its own page table, which is set as the main one when the owning process /// is scheduled. - Memory::PageTable page_table; + Common::PageTable page_table{Memory::PAGE_BITS}; private: using VMAIter = VMAMap::iterator; diff --git a/src/core/memory.cpp b/src/core/memory.cpp index e0cc5175f5..365ac82b4a 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -10,6 +10,7 @@ #include "common/assert.h" #include "common/common_types.h" #include "common/logging/log.h" +#include "common/page_table.h" #include "common/swap.h" #include "core/arm/arm_interface.h" #include "core/core.h" @@ -23,9 +24,9 @@ namespace Memory { -static PageTable* current_page_table = nullptr; +static Common::PageTable* current_page_table = nullptr; -void SetCurrentPageTable(PageTable* page_table) { +void SetCurrentPageTable(Common::PageTable* page_table) { current_page_table = page_table; auto& system = Core::System::GetInstance(); @@ -37,34 +38,12 @@ void SetCurrentPageTable(PageTable* page_table) { } } -PageTable* GetCurrentPageTable() { +Common::PageTable* GetCurrentPageTable() { return current_page_table; } -PageTable::PageTable() = default; - -PageTable::PageTable(std::size_t address_space_width_in_bits) { - Resize(address_space_width_in_bits); -} - -PageTable::~PageTable() = default; - -void PageTable::Resize(std::size_t address_space_width_in_bits) { - const std::size_t num_page_table_entries = 1ULL << (address_space_width_in_bits - PAGE_BITS); - - pointers.resize(num_page_table_entries); - attributes.resize(num_page_table_entries); - - // The default is a 39-bit address space, which causes an initial 1GB allocation size. If the - // vector size is subsequently decreased (via resize), the vector might not automatically - // actually reallocate/resize its underlying allocation, which wastes up to ~800 MB for - // 36-bit titles. Call shrink_to_fit to reduce capacity to what's actually in use. - - pointers.shrink_to_fit(); - attributes.shrink_to_fit(); -} - -static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, PageType type) { +static void MapPages(Common::PageTable& page_table, VAddr base, u64 size, u8* memory, + Common::PageType type) { LOG_DEBUG(HW_Memory, "Mapping {} onto {:016X}-{:016X}", fmt::ptr(memory), base * PAGE_SIZE, (base + size) * PAGE_SIZE); @@ -92,41 +71,47 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa } } -void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target) { +void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, u8* target) { ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size); ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base); - MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory); + MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, Common::PageType::Memory); } -void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer mmio_handler) { +void MapIoRegion(Common::PageTable& page_table, VAddr base, u64 size, + Common::MemoryHookPointer mmio_handler) { ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size); ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base); - MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special); + MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, Common::PageType::Special); auto interval = boost::icl::discrete_interval::closed(base, base + size - 1); - SpecialRegion region{SpecialRegion::Type::IODevice, std::move(mmio_handler)}; - page_table.special_regions.add(std::make_pair(interval, std::set{region})); + Common::SpecialRegion region{Common::SpecialRegion::Type::IODevice, std::move(mmio_handler)}; + page_table.special_regions.add( + std::make_pair(interval, std::set{region})); } -void UnmapRegion(PageTable& page_table, VAddr base, u64 size) { +void UnmapRegion(Common::PageTable& page_table, VAddr base, u64 size) { ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size); ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base); - MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped); + MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, Common::PageType::Unmapped); auto interval = boost::icl::discrete_interval::closed(base, base + size - 1); page_table.special_regions.erase(interval); } -void AddDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) { +void AddDebugHook(Common::PageTable& page_table, VAddr base, u64 size, + Common::MemoryHookPointer hook) { auto interval = boost::icl::discrete_interval::closed(base, base + size - 1); - SpecialRegion region{SpecialRegion::Type::DebugHook, std::move(hook)}; - page_table.special_regions.add(std::make_pair(interval, std::set{region})); + Common::SpecialRegion region{Common::SpecialRegion::Type::DebugHook, std::move(hook)}; + page_table.special_regions.add( + std::make_pair(interval, std::set{region})); } -void RemoveDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) { +void RemoveDebugHook(Common::PageTable& page_table, VAddr base, u64 size, + Common::MemoryHookPointer hook) { auto interval = boost::icl::discrete_interval::closed(base, base + size - 1); - SpecialRegion region{SpecialRegion::Type::DebugHook, std::move(hook)}; - page_table.special_regions.subtract(std::make_pair(interval, std::set{region})); + Common::SpecialRegion region{Common::SpecialRegion::Type::DebugHook, std::move(hook)}; + page_table.special_regions.subtract( + std::make_pair(interval, std::set{region})); } /** @@ -175,15 +160,15 @@ T Read(const VAddr vaddr) { return value; } - PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; + Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; switch (type) { - case PageType::Unmapped: + case Common::PageType::Unmapped: LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr); return 0; - case PageType::Memory: + case Common::PageType::Memory: ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); break; - case PageType::RasterizerCachedMemory: { + case Common::PageType::RasterizerCachedMemory: { auto host_ptr{GetPointerFromVMA(vaddr)}; Core::System::GetInstance().GPU().FlushRegion(ToCacheAddr(host_ptr), sizeof(T)); T value; @@ -205,16 +190,16 @@ void Write(const VAddr vaddr, const T data) { return; } - PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; + Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS]; switch (type) { - case PageType::Unmapped: + case Common::PageType::Unmapped: LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, static_cast(data), vaddr); return; - case PageType::Memory: + case Common::PageType::Memory: ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); break; - case PageType::RasterizerCachedMemory: { + case Common::PageType::RasterizerCachedMemory: { auto host_ptr{GetPointerFromVMA(vaddr)}; Core::System::GetInstance().GPU().InvalidateRegion(ToCacheAddr(host_ptr), sizeof(T)); std::memcpy(host_ptr, &data, sizeof(T)); @@ -232,10 +217,10 @@ bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) { if (page_pointer) return true; - if (page_table.attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory) + if (page_table.attributes[vaddr >> PAGE_BITS] == Common::PageType::RasterizerCachedMemory) return true; - if (page_table.attributes[vaddr >> PAGE_BITS] != PageType::Special) + if (page_table.attributes[vaddr >> PAGE_BITS] != Common::PageType::Special) return false; return false; @@ -255,7 +240,8 @@ u8* GetPointer(const VAddr vaddr) { return page_pointer + (vaddr & PAGE_MASK); } - if (current_page_table->attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory) { + if (current_page_table->attributes[vaddr >> PAGE_BITS] == + Common::PageType::RasterizerCachedMemory) { return GetPointerFromVMA(vaddr); } @@ -289,20 +275,20 @@ void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) { u64 num_pages = ((vaddr + size - 1) >> PAGE_BITS) - (vaddr >> PAGE_BITS) + 1; for (unsigned i = 0; i < num_pages; ++i, vaddr += PAGE_SIZE) { - PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS]; + Common::PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS]; if (cached) { // Switch page type to cached if now cached switch (page_type) { - case PageType::Unmapped: + case Common::PageType::Unmapped: // It is not necessary for a process to have this region mapped into its address // space, for example, a system module need not have a VRAM mapping. break; - case PageType::Memory: - page_type = PageType::RasterizerCachedMemory; + case Common::PageType::Memory: + page_type = Common::PageType::RasterizerCachedMemory; current_page_table->pointers[vaddr >> PAGE_BITS] = nullptr; break; - case PageType::RasterizerCachedMemory: + case Common::PageType::RasterizerCachedMemory: // There can be more than one GPU region mapped per CPU region, so it's common that // this area is already marked as cached. break; @@ -312,23 +298,23 @@ void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) { } else { // Switch page type to uncached if now uncached switch (page_type) { - case PageType::Unmapped: + case Common::PageType::Unmapped: // It is not necessary for a process to have this region mapped into its address // space, for example, a system module need not have a VRAM mapping. break; - case PageType::Memory: + case Common::PageType::Memory: // There can be more than one GPU region mapped per CPU region, so it's common that // this area is already unmarked as cached. break; - case PageType::RasterizerCachedMemory: { + case Common::PageType::RasterizerCachedMemory: { u8* pointer = GetPointerFromVMA(vaddr & ~PAGE_MASK); if (pointer == nullptr) { // It's possible that this function has been called while updating the pagetable // after unmapping a VMA. In that case the underlying VMA will no longer exist, // and we should just leave the pagetable entry blank. - page_type = PageType::Unmapped; + page_type = Common::PageType::Unmapped; } else { - page_type = PageType::Memory; + page_type = Common::PageType::Memory; current_page_table->pointers[vaddr >> PAGE_BITS] = pointer; } break; @@ -370,21 +356,21 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_ const VAddr current_vaddr = static_cast((page_index << PAGE_BITS) + page_offset); switch (page_table.attributes[page_index]) { - case PageType::Unmapped: { + case Common::PageType::Unmapped: { LOG_ERROR(HW_Memory, "Unmapped ReadBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, src_addr, size); std::memset(dest_buffer, 0, copy_amount); break; } - case PageType::Memory: { + case Common::PageType::Memory: { DEBUG_ASSERT(page_table.pointers[page_index]); const u8* src_ptr = page_table.pointers[page_index] + page_offset; std::memcpy(dest_buffer, src_ptr, copy_amount); break; } - case PageType::RasterizerCachedMemory: { + case Common::PageType::RasterizerCachedMemory: { const auto& host_ptr{GetPointerFromVMA(process, current_vaddr)}; Core::System::GetInstance().GPU().FlushRegion(ToCacheAddr(host_ptr), copy_amount); std::memcpy(dest_buffer, host_ptr, copy_amount); @@ -434,20 +420,20 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi const VAddr current_vaddr = static_cast((page_index << PAGE_BITS) + page_offset); switch (page_table.attributes[page_index]) { - case PageType::Unmapped: { + case Common::PageType::Unmapped: { LOG_ERROR(HW_Memory, "Unmapped WriteBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, dest_addr, size); break; } - case PageType::Memory: { + case Common::PageType::Memory: { DEBUG_ASSERT(page_table.pointers[page_index]); u8* dest_ptr = page_table.pointers[page_index] + page_offset; std::memcpy(dest_ptr, src_buffer, copy_amount); break; } - case PageType::RasterizerCachedMemory: { + case Common::PageType::RasterizerCachedMemory: { const auto& host_ptr{GetPointerFromVMA(process, current_vaddr)}; Core::System::GetInstance().GPU().InvalidateRegion(ToCacheAddr(host_ptr), copy_amount); std::memcpy(host_ptr, src_buffer, copy_amount); @@ -480,20 +466,20 @@ void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const std: const VAddr current_vaddr = static_cast((page_index << PAGE_BITS) + page_offset); switch (page_table.attributes[page_index]) { - case PageType::Unmapped: { + case Common::PageType::Unmapped: { LOG_ERROR(HW_Memory, "Unmapped ZeroBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, dest_addr, size); break; } - case PageType::Memory: { + case Common::PageType::Memory: { DEBUG_ASSERT(page_table.pointers[page_index]); u8* dest_ptr = page_table.pointers[page_index] + page_offset; std::memset(dest_ptr, 0, copy_amount); break; } - case PageType::RasterizerCachedMemory: { + case Common::PageType::RasterizerCachedMemory: { const auto& host_ptr{GetPointerFromVMA(process, current_vaddr)}; Core::System::GetInstance().GPU().InvalidateRegion(ToCacheAddr(host_ptr), copy_amount); std::memset(host_ptr, 0, copy_amount); @@ -522,20 +508,20 @@ void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr, const VAddr current_vaddr = static_cast((page_index << PAGE_BITS) + page_offset); switch (page_table.attributes[page_index]) { - case PageType::Unmapped: { + case Common::PageType::Unmapped: { LOG_ERROR(HW_Memory, "Unmapped CopyBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, src_addr, size); ZeroBlock(process, dest_addr, copy_amount); break; } - case PageType::Memory: { + case Common::PageType::Memory: { DEBUG_ASSERT(page_table.pointers[page_index]); const u8* src_ptr = page_table.pointers[page_index] + page_offset; WriteBlock(process, dest_addr, src_ptr, copy_amount); break; } - case PageType::RasterizerCachedMemory: { + case Common::PageType::RasterizerCachedMemory: { const auto& host_ptr{GetPointerFromVMA(process, current_vaddr)}; Core::System::GetInstance().GPU().FlushRegion(ToCacheAddr(host_ptr), copy_amount); WriteBlock(process, dest_addr, host_ptr, copy_amount); diff --git a/src/core/memory.h b/src/core/memory.h index c2c6643ee3..3f60d868cd 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -10,7 +10,10 @@ #include #include #include "common/common_types.h" -#include "core/memory_hook.h" + +namespace Common { +struct PageTable; +} namespace Kernel { class Process; @@ -26,71 +29,6 @@ constexpr std::size_t PAGE_BITS = 12; constexpr u64 PAGE_SIZE = 1ULL << PAGE_BITS; constexpr u64 PAGE_MASK = PAGE_SIZE - 1; -enum class PageType : u8 { - /// Page is unmapped and should cause an access error. - Unmapped, - /// Page is mapped to regular memory. This is the only type you can get pointers to. - Memory, - /// Page is mapped to regular memory, but also needs to check for rasterizer cache flushing and - /// invalidation - RasterizerCachedMemory, - /// Page is mapped to a I/O region. Writing and reading to this page is handled by functions. - Special, -}; - -struct SpecialRegion { - enum class Type { - DebugHook, - IODevice, - } type; - - MemoryHookPointer handler; - - bool operator<(const SpecialRegion& other) const { - return std::tie(type, handler) < std::tie(other.type, other.handler); - } - - bool operator==(const SpecialRegion& other) const { - return std::tie(type, handler) == std::tie(other.type, other.handler); - } -}; - -/** - * A (reasonably) fast way of allowing switchable and remappable process address spaces. It loosely - * mimics the way a real CPU page table works. - */ -struct PageTable { - explicit PageTable(); - explicit PageTable(std::size_t address_space_width_in_bits); - ~PageTable(); - - /** - * Resizes the page table to be able to accomodate enough pages within - * a given address space. - * - * @param address_space_width_in_bits The address size width in bits. - */ - void Resize(std::size_t address_space_width_in_bits); - - /** - * Vector of memory pointers backing each page. An entry can only be non-null if the - * corresponding entry in the `attributes` vector is of type `Memory`. - */ - std::vector pointers; - - /** - * Contains MMIO handlers that back memory regions whose entries in the `attribute` vector is - * of type `Special`. - */ - boost::icl::interval_map> special_regions; - - /** - * Vector of fine grained page attributes. If it is set to any value other than `Memory`, then - * the corresponding entry in `pointers` MUST be set to null. - */ - std::vector attributes; -}; - /// Virtual user-space memory regions enum : VAddr { /// Read-only page containing kernel and system configuration values. @@ -116,8 +54,8 @@ enum : VAddr { }; /// Currently active page table -void SetCurrentPageTable(PageTable* page_table); -PageTable* GetCurrentPageTable(); +void SetCurrentPageTable(Common::PageTable* page_table); +Common::PageTable* GetCurrentPageTable(); /// Determines if the given VAddr is valid for the specified process. bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr); diff --git a/src/core/memory_setup.h b/src/core/memory_setup.h index 9a1a4f4bef..5225ee8e21 100644 --- a/src/core/memory_setup.h +++ b/src/core/memory_setup.h @@ -5,7 +5,11 @@ #pragma once #include "common/common_types.h" -#include "core/memory_hook.h" +#include "common/memory_hook.h" + +namespace Common { +struct PageTable; +} namespace Memory { @@ -17,7 +21,7 @@ namespace Memory { * @param size The amount of bytes to map. Must be page-aligned. * @param target Buffer with the memory backing the mapping. Must be of length at least `size`. */ -void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target); +void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, u8* target); /** * Maps a region of the emulated process address space as a IO region. @@ -26,11 +30,14 @@ void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target); * @param size The amount of bytes to map. Must be page-aligned. * @param mmio_handler The handler that backs the mapping. */ -void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer mmio_handler); +void MapIoRegion(Common::PageTable& page_table, VAddr base, u64 size, + Common::MemoryHookPointer mmio_handler); -void UnmapRegion(PageTable& page_table, VAddr base, u64 size); +void UnmapRegion(Common::PageTable& page_table, VAddr base, u64 size); -void AddDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook); -void RemoveDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook); +void AddDebugHook(Common::PageTable& page_table, VAddr base, u64 size, + Common::MemoryHookPointer hook); +void RemoveDebugHook(Common::PageTable& page_table, VAddr base, u64 size, + Common::MemoryHookPointer hook); } // namespace Memory diff --git a/src/tests/core/arm/arm_test_common.cpp b/src/tests/core/arm/arm_test_common.cpp index 6fe56833df..3e1a735c31 100644 --- a/src/tests/core/arm/arm_test_common.cpp +++ b/src/tests/core/arm/arm_test_common.cpp @@ -4,6 +4,7 @@ #include +#include "common/page_table.h" #include "core/core.h" #include "core/hle/kernel/process.h" #include "core/memory.h" @@ -22,7 +23,7 @@ TestEnvironment::TestEnvironment(bool mutable_memory_) std::fill(page_table->pointers.begin(), page_table->pointers.end(), nullptr); page_table->special_regions.clear(); std::fill(page_table->attributes.begin(), page_table->attributes.end(), - Memory::PageType::Unmapped); + Common::PageType::Unmapped); Memory::MapIoRegion(*page_table, 0x00000000, 0x80000000, test_memory); Memory::MapIoRegion(*page_table, 0x80000000, 0x80000000, test_memory); diff --git a/src/tests/core/arm/arm_test_common.h b/src/tests/core/arm/arm_test_common.h index 0b75396017..d145dbfcc4 100644 --- a/src/tests/core/arm/arm_test_common.h +++ b/src/tests/core/arm/arm_test_common.h @@ -9,10 +9,10 @@ #include #include "common/common_types.h" +#include "common/memory_hook.h" #include "core/hle/kernel/kernel.h" -#include "core/memory_hook.h" -namespace Memory { +namespace Common { struct PageTable; } @@ -58,7 +58,7 @@ public: private: friend struct TestMemory; - struct TestMemory final : Memory::MemoryHook { + struct TestMemory final : Common::MemoryHook { explicit TestMemory(TestEnvironment* env_) : env(env_) {} TestEnvironment* env; @@ -86,7 +86,7 @@ private: bool mutable_memory; std::shared_ptr test_memory; std::vector write_records; - Memory::PageTable* page_table = nullptr; + Common::PageTable* page_table = nullptr; Kernel::KernelCore kernel; };