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core: Remove special regions (#7211)

This commit is contained in:
GPUCode 2023-11-26 22:07:30 +02:00 committed by GitHub
parent dc8425a986
commit db7b929e47
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 4 additions and 13996 deletions
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1
src/core/CMakeLists.txt
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@ -455,7 +455,6 @@ add_library(citra_core STATIC
loader/smdh.h loader/smdh.h
memory.cpp memory.cpp
memory.h memory.h
mmio.h
movie.cpp movie.cpp
movie.h movie.h
nus_download.cpp nus_download.cpp

32
src/core/hle/kernel/vm_manager.cpp
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@ -10,7 +10,6 @@
#include "core/hle/kernel/vm_manager.h" #include "core/hle/kernel/vm_manager.h"
#include "core/hle/service/plgldr/plgldr.h" #include "core/hle/service/plgldr/plgldr.h"
#include "core/memory.h" #include "core/memory.h"
#include "core/mmio.h"
namespace Kernel { namespace Kernel {
@ -33,9 +32,6 @@ bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const {
backing_memory.GetPtr() + size != next.backing_memory.GetPtr()) { backing_memory.GetPtr() + size != next.backing_memory.GetPtr()) {
return false; return false;
} }
if (type == VMAType::MMIO && paddr + size != next.paddr) {
return false;
}
return true; return true;
} }
@ -118,26 +114,6 @@ ResultVal<VMManager::VMAHandle> VMManager::MapBackingMemory(VAddr target, Memory
return MergeAdjacent(vma_handle); return MergeAdjacent(vma_handle);
} }
ResultVal<VMManager::VMAHandle> VMManager::MapMMIO(VAddr target, PAddr paddr, u32 size,
MemoryState state,
Memory::MMIORegionPointer mmio_handler) {
ASSERT(!is_locked);
// 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;
ASSERT(final_vma.size == size);
final_vma.type = VMAType::MMIO;
final_vma.permissions = VMAPermission::ReadWrite;
final_vma.meminfo_state = state;
final_vma.paddr = paddr;
final_vma.mmio_handler = mmio_handler;
UpdatePageTableForVMA(final_vma);
return MergeAdjacent(vma_handle);
}
ResultCode VMManager::ChangeMemoryState(VAddr target, u32 size, MemoryState expected_state, ResultCode VMManager::ChangeMemoryState(VAddr target, u32 size, MemoryState expected_state,
VMAPermission expected_perms, MemoryState new_state, VMAPermission expected_perms, MemoryState new_state,
VMAPermission new_perms) { VMAPermission new_perms) {
@ -185,9 +161,7 @@ VMManager::VMAIter VMManager::Unmap(VMAIter vma_handle) {
vma.type = VMAType::Free; vma.type = VMAType::Free;
vma.permissions = VMAPermission::None; vma.permissions = VMAPermission::None;
vma.meminfo_state = MemoryState::Free; vma.meminfo_state = MemoryState::Free;
vma.backing_memory = nullptr; vma.backing_memory = nullptr;
vma.paddr = 0;
UpdatePageTableForVMA(vma); UpdatePageTableForVMA(vma);
@ -344,9 +318,6 @@ VMManager::VMAIter VMManager::SplitVMA(VMAIter vma_handle, u32 offset_in_vma) {
case VMAType::BackingMemory: case VMAType::BackingMemory:
new_vma.backing_memory += offset_in_vma; new_vma.backing_memory += offset_in_vma;
break; break;
case VMAType::MMIO:
new_vma.paddr += offset_in_vma;
break;
} }
ASSERT(old_vma.CanBeMergedWith(new_vma)); ASSERT(old_vma.CanBeMergedWith(new_vma));
@ -381,9 +352,6 @@ void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) {
case VMAType::BackingMemory: case VMAType::BackingMemory:
memory.MapMemoryRegion(*page_table, vma.base, vma.size, vma.backing_memory); memory.MapMemoryRegion(*page_table, vma.base, vma.size, vma.backing_memory);
break; break;
case VMAType::MMIO:
memory.MapIoRegion(*page_table, vma.base, vma.size, vma.mmio_handler);
break;
} }
auto plgldr = Service::PLGLDR::GetService(Core::System::GetInstance()); auto plgldr = Service::PLGLDR::GetService(Core::System::GetInstance());

26
src/core/hle/kernel/vm_manager.h
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@ -6,8 +6,6 @@
#include <map> #include <map>
#include <memory> #include <memory>
#include <utility>
#include <vector>
#include <boost/serialization/map.hpp> #include <boost/serialization/map.hpp>
#include <boost/serialization/shared_ptr.hpp> #include <boost/serialization/shared_ptr.hpp>
#include <boost/serialization/split_member.hpp> #include <boost/serialization/split_member.hpp>
@ -16,7 +14,6 @@
#include "core/hle/kernel/memory.h" #include "core/hle/kernel/memory.h"
#include "core/hle/result.h" #include "core/hle/result.h"
#include "core/memory.h" #include "core/memory.h"
#include "core/mmio.h"
namespace Kernel { namespace Kernel {
@ -25,8 +22,6 @@ enum class VMAType : u8 {
Free, Free,
/// VMA is backed by a raw, unmanaged pointer. /// VMA is backed by a raw, unmanaged pointer.
BackingMemory, BackingMemory,
/// VMA is mapped to MMIO registers at a fixed PAddr.
MMIO,
}; };
/// Permissions for mapped memory blocks /// Permissions for mapped memory blocks
@ -74,15 +69,10 @@ struct VirtualMemoryArea {
/// Tag returned by svcQueryMemory. Not otherwise used. /// Tag returned by svcQueryMemory. Not otherwise used.
MemoryState meminfo_state = MemoryState::Free; MemoryState meminfo_state = MemoryState::Free;
// Settings for type = BackingMemory /// Settings for type = BackingMemory
/// Pointer backing this VMA. It will not be destroyed or freed when the VMA is removed. /// Pointer backing this VMA. It will not be destroyed or freed when the VMA is removed.
MemoryRef backing_memory{}; MemoryRef backing_memory{};
// Settings for type = MMIO
/// Physical address of the register area this VMA maps to.
PAddr paddr = 0;
Memory::MMIORegionPointer mmio_handler = nullptr;
/// Tests if this area can be merged to the right with `next`. /// Tests if this area can be merged to the right with `next`.
bool CanBeMergedWith(const VirtualMemoryArea& next) const; bool CanBeMergedWith(const VirtualMemoryArea& next) const;
@ -96,8 +86,6 @@ private:
ar& permissions; ar& permissions;
ar& meminfo_state; ar& meminfo_state;
ar& backing_memory; ar& backing_memory;
ar& paddr;
ar& mmio_handler;
} }
}; };
@ -166,18 +154,6 @@ public:
ResultVal<VMAHandle> MapBackingMemory(VAddr target, MemoryRef memory, u32 size, ResultVal<VMAHandle> MapBackingMemory(VAddr target, MemoryRef memory, u32 size,
MemoryState state); MemoryState state);
/**
* Maps a memory-mapped IO region at a given address.
*
* @param target The guest address to start the mapping at.
* @param paddr The physical address where the registers are present.
* @param size Size of the mapping.
* @param state MemoryState tag to attach to the VMA.
* @param mmio_handler The handler that will implement read and write for this MMIO region.
*/
ResultVal<VMAHandle> MapMMIO(VAddr target, PAddr paddr, u32 size, MemoryState state,
Memory::MMIORegionPointer mmio_handler);
/** /**
* Updates the memory state and permissions of the specified range. The range's original memory * Updates the memory state and permissions of the specified range. The range's original memory
* state and permissions must match the `expected` parameters. * state and permissions must match the `expected` parameters.

118
src/core/memory.cpp
View File

@ -156,20 +156,6 @@ public:
return system.GetRunningCore().GetPC(); return system.GetRunningCore().GetPC();
} }
/**
* This function should only be called for virtual addreses with attribute `PageType::Special`.
*/
MMIORegionPointer GetMMIOHandler(const PageTable& page_table, VAddr vaddr) {
for (const auto& region : page_table.special_regions) {
if (vaddr >= region.base && vaddr < (region.base + region.size)) {
return region.handler;
}
}
ASSERT_MSG(false, "Mapped IO page without a handler @ {:08X}", vaddr);
return nullptr; // Should never happen
}
template <bool UNSAFE> template <bool UNSAFE>
void ReadBlockImpl(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer, void ReadBlockImpl(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
const std::size_t size) { const std::size_t size) {
@ -201,12 +187,6 @@ public:
std::memcpy(dest_buffer, src_ptr, copy_amount); std::memcpy(dest_buffer, src_ptr, copy_amount);
break; break;
} }
case PageType::Special: {
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
handler->ReadBlock(current_vaddr, dest_buffer, copy_amount);
break;
}
case PageType::RasterizerCachedMemory: { case PageType::RasterizerCachedMemory: {
if constexpr (!UNSAFE) { if constexpr (!UNSAFE) {
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount), RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
@ -255,12 +235,6 @@ public:
std::memcpy(dest_ptr, src_buffer, copy_amount); std::memcpy(dest_ptr, src_buffer, copy_amount);
break; break;
} }
case PageType::Special: {
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
handler->WriteBlock(current_vaddr, src_buffer, copy_amount);
break;
}
case PageType::RasterizerCachedMemory: { case PageType::RasterizerCachedMemory: {
if constexpr (!UNSAFE) { if constexpr (!UNSAFE) {
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount), RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
@ -405,16 +379,6 @@ void MemorySystem::MapMemoryRegion(PageTable& page_table, VAddr base, u32 size,
MapPages(page_table, base / CITRA_PAGE_SIZE, size / CITRA_PAGE_SIZE, target, PageType::Memory); MapPages(page_table, base / CITRA_PAGE_SIZE, size / CITRA_PAGE_SIZE, target, PageType::Memory);
} }
void MemorySystem::MapIoRegion(PageTable& page_table, VAddr base, u32 size,
MMIORegionPointer mmio_handler) {
ASSERT_MSG((size & CITRA_PAGE_MASK) == 0, "non-page aligned size: {:08X}", size);
ASSERT_MSG((base & CITRA_PAGE_MASK) == 0, "non-page aligned base: {:08X}", base);
MapPages(page_table, base / CITRA_PAGE_SIZE, size / CITRA_PAGE_SIZE, nullptr,
PageType::Special);
page_table.special_regions.emplace_back(SpecialRegion{base, size, mmio_handler});
}
void MemorySystem::UnmapRegion(PageTable& page_table, VAddr base, u32 size) { void MemorySystem::UnmapRegion(PageTable& page_table, VAddr base, u32 size) {
ASSERT_MSG((size & CITRA_PAGE_MASK) == 0, "non-page aligned size: {:08X}", size); ASSERT_MSG((size & CITRA_PAGE_MASK) == 0, "non-page aligned size: {:08X}", size);
ASSERT_MSG((base & CITRA_PAGE_MASK) == 0, "non-page aligned base: {:08X}", base); ASSERT_MSG((base & CITRA_PAGE_MASK) == 0, "non-page aligned base: {:08X}", base);
@ -437,9 +401,6 @@ void MemorySystem::UnregisterPageTable(std::shared_ptr<PageTable> page_table) {
} }
} }
template <typename T>
T ReadMMIO(MMIORegionPointer mmio_handler, VAddr addr);
template <typename T> template <typename T>
T MemorySystem::Read(const VAddr vaddr) { T MemorySystem::Read(const VAddr vaddr) {
const u8* page_pointer = impl->current_page_table->pointers[vaddr >> CITRA_PAGE_BITS]; const u8* page_pointer = impl->current_page_table->pointers[vaddr >> CITRA_PAGE_BITS];
@ -482,8 +443,6 @@ T MemorySystem::Read(const VAddr vaddr) {
std::memcpy(&value, GetPointerForRasterizerCache(vaddr), sizeof(T)); std::memcpy(&value, GetPointerForRasterizerCache(vaddr), sizeof(T));
return value; return value;
} }
case PageType::Special:
return ReadMMIO<T>(impl->GetMMIOHandler(*impl->current_page_table, vaddr), vaddr);
default: default:
UNREACHABLE(); UNREACHABLE();
} }
@ -491,9 +450,6 @@ T MemorySystem::Read(const VAddr vaddr) {
return T{}; return T{};
} }
template <typename T>
void WriteMMIO(MMIORegionPointer mmio_handler, VAddr addr, const T data);
template <typename T> template <typename T>
void MemorySystem::Write(const VAddr vaddr, const T data) { void MemorySystem::Write(const VAddr vaddr, const T data) {
u8* page_pointer = impl->current_page_table->pointers[vaddr >> CITRA_PAGE_BITS]; u8* page_pointer = impl->current_page_table->pointers[vaddr >> CITRA_PAGE_BITS];
@ -531,9 +487,6 @@ void MemorySystem::Write(const VAddr vaddr, const T data) {
std::memcpy(GetPointerForRasterizerCache(vaddr), &data, sizeof(T)); std::memcpy(GetPointerForRasterizerCache(vaddr), &data, sizeof(T));
break; break;
} }
case PageType::Special:
WriteMMIO<T>(impl->GetMMIOHandler(*impl->current_page_table, vaddr), vaddr, data);
break;
default: default:
UNREACHABLE(); UNREACHABLE();
} }
@ -564,9 +517,6 @@ bool MemorySystem::WriteExclusive(const VAddr vaddr, const T data, const T expec
reinterpret_cast<volatile T*>(GetPointerForRasterizerCache(vaddr).GetPtr()); reinterpret_cast<volatile T*>(GetPointerForRasterizerCache(vaddr).GetPtr());
return Common::AtomicCompareAndSwap(volatile_pointer, data, expected); return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
} }
case PageType::Special:
WriteMMIO<T>(impl->GetMMIOHandler(*impl->current_page_table, vaddr), vaddr, data);
return false;
default: default:
UNREACHABLE(); UNREACHABLE();
} }
@ -577,18 +527,12 @@ bool MemorySystem::IsValidVirtualAddress(const Kernel::Process& process, const V
auto& page_table = *process.vm_manager.page_table; auto& page_table = *process.vm_manager.page_table;
auto page_pointer = page_table.pointers[vaddr >> CITRA_PAGE_BITS]; auto page_pointer = page_table.pointers[vaddr >> CITRA_PAGE_BITS];
if (page_pointer) if (page_pointer) {
return true; return true;
}
if (page_table.attributes[vaddr >> CITRA_PAGE_BITS] == PageType::RasterizerCachedMemory) if (page_table.attributes[vaddr >> CITRA_PAGE_BITS] == PageType::RasterizerCachedMemory) {
return true; return true;
if (page_table.attributes[vaddr >> CITRA_PAGE_BITS] != PageType::Special)
return false;
MMIORegionPointer mmio_region = impl->GetMMIOHandler(page_table, vaddr);
if (mmio_region) {
return mmio_region->IsValidAddress(vaddr);
} }
return false; return false;
@ -923,8 +867,6 @@ void MemorySystem::ZeroBlock(const Kernel::Process& process, const VAddr dest_ad
std::size_t page_index = dest_addr >> CITRA_PAGE_BITS; std::size_t page_index = dest_addr >> CITRA_PAGE_BITS;
std::size_t page_offset = dest_addr & CITRA_PAGE_MASK; std::size_t page_offset = dest_addr & CITRA_PAGE_MASK;
static const std::array<u8, CITRA_PAGE_SIZE> zeros = {};
while (remaining_size > 0) { while (remaining_size > 0) {
const std::size_t copy_amount = std::min(CITRA_PAGE_SIZE - page_offset, remaining_size); const std::size_t copy_amount = std::min(CITRA_PAGE_SIZE - page_offset, remaining_size);
const VAddr current_vaddr = const VAddr current_vaddr =
@ -945,12 +887,6 @@ void MemorySystem::ZeroBlock(const Kernel::Process& process, const VAddr dest_ad
std::memset(dest_ptr, 0, copy_amount); std::memset(dest_ptr, 0, copy_amount);
break; break;
} }
case PageType::Special: {
MMIORegionPointer handler = impl->GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
handler->WriteBlock(current_vaddr, zeros.data(), copy_amount);
break;
}
case PageType::RasterizerCachedMemory: { case PageType::RasterizerCachedMemory: {
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount), RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
FlushMode::Invalidate); FlushMode::Invalidate);
@ -1000,14 +936,6 @@ void MemorySystem::CopyBlock(const Kernel::Process& dest_process,
WriteBlock(dest_process, dest_addr, src_ptr, copy_amount); WriteBlock(dest_process, dest_addr, src_ptr, copy_amount);
break; break;
} }
case PageType::Special: {
MMIORegionPointer handler = impl->GetMMIOHandler(page_table, current_vaddr);
DEBUG_ASSERT(handler);
std::vector<u8> buffer(copy_amount);
handler->ReadBlock(current_vaddr, buffer.data(), buffer.size());
WriteBlock(dest_process, dest_addr, buffer.data(), buffer.size());
break;
}
case PageType::RasterizerCachedMemory: { case PageType::RasterizerCachedMemory: {
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount), RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
FlushMode::Flush); FlushMode::Flush);
@ -1027,46 +955,6 @@ void MemorySystem::CopyBlock(const Kernel::Process& dest_process,
} }
} }
template <>
u8 ReadMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read8(addr);
}
template <>
u16 ReadMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read16(addr);
}
template <>
u32 ReadMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read32(addr);
}
template <>
u64 ReadMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read64(addr);
}
template <>
void WriteMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr, const u8 data) {
mmio_handler->Write8(addr, data);
}
template <>
void WriteMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr, const u16 data) {
mmio_handler->Write16(addr, data);
}
template <>
void WriteMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr, const u32 data) {
mmio_handler->Write32(addr, data);
}
template <>
void WriteMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr, const u64 data) {
mmio_handler->Write64(addr, data);
}
u32 MemorySystem::GetFCRAMOffset(const u8* pointer) const { u32 MemorySystem::GetFCRAMOffset(const u8* pointer) const {
ASSERT(pointer >= impl->fcram.get() && pointer <= impl->fcram.get() + Memory::FCRAM_N3DS_SIZE); ASSERT(pointer >= impl->fcram.get() && pointer <= impl->fcram.get() + Memory::FCRAM_N3DS_SIZE);
return static_cast<u32>(pointer - impl->fcram.get()); return static_cast<u32>(pointer - impl->fcram.get());

34
src/core/memory.h
View File

@ -10,7 +10,6 @@
#include <boost/serialization/vector.hpp> #include <boost/serialization/vector.hpp>
#include "common/common_types.h" #include "common/common_types.h"
#include "common/memory_ref.h" #include "common/memory_ref.h"
#include "core/mmio.h"
namespace Kernel { namespace Kernel {
class Process; class Process;
@ -43,23 +42,6 @@ enum class PageType {
/// Page is mapped to regular memory, but also needs to check for rasterizer cache flushing and /// Page is mapped to regular memory, but also needs to check for rasterizer cache flushing and
/// invalidation /// invalidation
RasterizerCachedMemory, RasterizerCachedMemory,
/// Page is mapped to a I/O region. Writing and reading to this page is handled by functions.
Special,
};
struct SpecialRegion {
VAddr base;
u32 size;
MMIORegionPointer handler;
private:
template <class Archive>
void serialize(Archive& ar, const unsigned int file_version) {
ar& base;
ar& size;
ar& handler;
}
friend class boost::serialization::access;
}; };
/** /**
@ -108,12 +90,6 @@ struct PageTable {
Pointers pointers; Pointers pointers;
/**
* Contains MMIO handlers that back memory regions whose entries in the `attribute` array is of
* type `Special`.
*/
std::vector<SpecialRegion> special_regions;
/** /**
* Array of fine grained page attributes. If it is set to any value other than `Memory`, then * Array 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. * the corresponding entry in `pointers` MUST be set to null.
@ -130,7 +106,6 @@ private:
template <class Archive> template <class Archive>
void serialize(Archive& ar, const unsigned int) { void serialize(Archive& ar, const unsigned int) {
ar& pointers.refs; ar& pointers.refs;
ar& special_regions;
ar& attributes; ar& attributes;
for (std::size_t i = 0; i < PAGE_TABLE_NUM_ENTRIES; i++) { for (std::size_t i = 0; i < PAGE_TABLE_NUM_ENTRIES; i++) {
pointers.raw[i] = pointers.refs[i].GetPtr(); pointers.raw[i] = pointers.refs[i].GetPtr();
@ -302,15 +277,6 @@ public:
*/ */
void MapMemoryRegion(PageTable& page_table, VAddr base, u32 size, MemoryRef target); void MapMemoryRegion(PageTable& page_table, VAddr base, u32 size, MemoryRef target);
/**
* Maps a region of the emulated process address space as a IO region.
* @param page_table The page table of the emulated process.
* @param base The address to start mapping at. Must be page-aligned.
* @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, u32 size, MMIORegionPointer mmio_handler);
void UnmapRegion(PageTable& page_table, VAddr base, u32 size); void UnmapRegion(PageTable& page_table, VAddr base, u32 size);
/// Currently active page table /// Currently active page table

43
src/core/mmio.h
View File

@ -1,43 +0,0 @@
// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "common/common_types.h"
namespace Memory {
/**
* Represents a device with memory mapped IO.
* A device may be mapped to multiple regions of memory.
*/
class MMIORegion {
public:
virtual ~MMIORegion() = default;
virtual bool IsValidAddress(VAddr addr) = 0;
virtual u8 Read8(VAddr addr) = 0;
virtual u16 Read16(VAddr addr) = 0;
virtual u32 Read32(VAddr addr) = 0;
virtual u64 Read64(VAddr addr) = 0;
virtual bool ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size) = 0;
virtual void Write8(VAddr addr, u8 data) = 0;
virtual void Write16(VAddr addr, u16 data) = 0;
virtual void Write32(VAddr addr, u32 data) = 0;
virtual void Write64(VAddr addr, u64 data) = 0;
virtual bool WriteBlock(VAddr dest_addr, const void* src_buffer, std::size_t size) = 0;
private:
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int file_version) {}
};
using MMIORegionPointer = std::shared_ptr<MMIORegion>;
}; // namespace Memory

3
src/tests/CMakeLists.txt
View File

@ -2,9 +2,6 @@ add_executable(tests
common/bit_field.cpp common/bit_field.cpp
common/file_util.cpp common/file_util.cpp
common/param_package.cpp common/param_package.cpp
core/arm/arm_test_common.cpp
core/arm/arm_test_common.h
core/arm/dyncom/arm_dyncom_vfp_tests.cpp
core/core_timing.cpp core/core_timing.cpp
core/file_sys/path_parser.cpp core/file_sys/path_parser.cpp
core/hle/kernel/hle_ipc.cpp core/hle/kernel/hle_ipc.cpp

143
src/tests/core/arm/arm_test_common.cpp
View File

@ -1,143 +0,0 @@
// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/process.h"
#include "core/memory.h"
#include "tests/core/arm/arm_test_common.h"
namespace ArmTests {
static std::shared_ptr<Memory::PageTable> page_table = nullptr;
TestEnvironment::TestEnvironment(bool mutable_memory_)
: mutable_memory(mutable_memory_), test_memory(std::make_shared<TestMemory>(this)) {
timing = std::make_unique<Core::Timing>(1, 100);
system = std::make_unique<Core::System>();
memory = std::make_unique<Memory::MemorySystem>(*system);
kernel = std::make_unique<Kernel::KernelSystem>(
*memory, *timing, [] {}, Kernel::MemoryMode::Prod, 1,
Kernel::New3dsHwCapabilities{false, false, Kernel::New3dsMemoryMode::Legacy});
kernel->SetCurrentProcess(kernel->CreateProcess(kernel->CreateCodeSet("", 0)));
page_table = kernel->GetCurrentProcess()->vm_manager.page_table;
page_table->Clear();
memory->MapIoRegion(*page_table, 0x00000000, 0x80000000, test_memory);
memory->MapIoRegion(*page_table, 0x80000000, 0x80000000, test_memory);
kernel->SetCurrentMemoryPageTable(page_table);
}
TestEnvironment::~TestEnvironment() {
memory->UnmapRegion(*page_table, 0x80000000, 0x80000000);
memory->UnmapRegion(*page_table, 0x00000000, 0x80000000);
}
void TestEnvironment::SetMemory64(VAddr vaddr, u64 value) {
SetMemory32(vaddr + 0, static_cast<u32>(value));
SetMemory32(vaddr + 4, static_cast<u32>(value >> 32));
}
void TestEnvironment::SetMemory32(VAddr vaddr, u32 value) {
SetMemory16(vaddr + 0, static_cast<u16>(value));
SetMemory16(vaddr + 2, static_cast<u16>(value >> 16));
}
void TestEnvironment::SetMemory16(VAddr vaddr, u16 value) {
SetMemory8(vaddr + 0, static_cast<u8>(value));
SetMemory8(vaddr + 1, static_cast<u8>(value >> 8));
}
void TestEnvironment::SetMemory8(VAddr vaddr, u8 value) {
test_memory->data[vaddr] = value;
}
std::vector<WriteRecord> TestEnvironment::GetWriteRecords() const {
return write_records;
}
void TestEnvironment::ClearWriteRecords() {
write_records.clear();
}
TestEnvironment::TestMemory::~TestMemory() {}
bool TestEnvironment::TestMemory::IsValidAddress(VAddr addr) {
return true;
}
u8 TestEnvironment::TestMemory::Read8(VAddr addr) {
auto iter = data.find(addr);
if (iter == data.end()) {
return addr; // Some arbitrary data
}
return iter->second;
}
u16 TestEnvironment::TestMemory::Read16(VAddr addr) {
return Read8(addr) | static_cast<u16>(Read8(addr + 1)) << 8;
}
u32 TestEnvironment::TestMemory::Read32(VAddr addr) {
return Read16(addr) | static_cast<u32>(Read16(addr + 2)) << 16;
}
u64 TestEnvironment::TestMemory::Read64(VAddr addr) {
return Read32(addr) | static_cast<u64>(Read32(addr + 4)) << 32;
}
bool TestEnvironment::TestMemory::ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size) {
VAddr addr = src_addr;
u8* data = static_cast<u8*>(dest_buffer);
for (std::size_t i = 0; i < size; i++, addr++, data++) {
*data = Read8(addr);
}
return true;
}
void TestEnvironment::TestMemory::Write8(VAddr addr, u8 data) {
env->write_records.emplace_back(8, addr, data);
if (env->mutable_memory)
env->SetMemory8(addr, data);
}
void TestEnvironment::TestMemory::Write16(VAddr addr, u16 data) {
env->write_records.emplace_back(16, addr, data);
if (env->mutable_memory)
env->SetMemory16(addr, data);
}
void TestEnvironment::TestMemory::Write32(VAddr addr, u32 data) {
env->write_records.emplace_back(32, addr, data);
if (env->mutable_memory)
env->SetMemory32(addr, data);
}
void TestEnvironment::TestMemory::Write64(VAddr addr, u64 data) {
env->write_records.emplace_back(64, addr, data);
if (env->mutable_memory)
env->SetMemory64(addr, data);
}
bool TestEnvironment::TestMemory::WriteBlock(VAddr dest_addr, const void* src_buffer,
std::size_t size) {
VAddr addr = dest_addr;
const u8* data = static_cast<const u8*>(src_buffer);
for (std::size_t i = 0; i < size; i++, addr++, data++) {
env->write_records.emplace_back(8, addr, *data);
if (env->mutable_memory)
env->SetMemory8(addr, *data);
}
return true;
}
} // namespace ArmTests

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src/tests/core/arm/arm_test_common.h
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <tuple>
#include <unordered_map>
#include <vector>
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
#include "core/mmio.h"
namespace ArmTests {
struct WriteRecord {
WriteRecord(std::size_t size, VAddr addr, u64 data) : size(size), addr(addr), data(data) {}
std::size_t size;
VAddr addr;
u64 data;
bool operator==(const WriteRecord& o) const {
return std::tie(size, addr, data) == std::tie(o.size, o.addr, o.data);
}
};
class TestEnvironment final {
public:
/*
* Inititalise test environment
* @param mutable_memory If false, writes to memory can never be read back.
* (Memory is immutable.)
*/
explicit TestEnvironment(bool mutable_memory = false);
/// Shutdown test environment
~TestEnvironment();
/// Sets value at memory location vaddr.
void SetMemory8(VAddr vaddr, u8 value);
void SetMemory16(VAddr vaddr, u16 value);
void SetMemory32(VAddr vaddr, u32 value);
void SetMemory64(VAddr vaddr, u64 value);
/**
* Whenever Memory::Write{8,16,32,64} is called within the test environment,
* a new write-record is made.
* @returns A vector of write records made since they were last cleared.
*/
std::vector<WriteRecord> GetWriteRecords() const;
/// Empties the internal write-record store.
void ClearWriteRecords();
Memory::MemorySystem& GetMemory() {
return *memory;
}
private:
friend struct TestMemory;
struct TestMemory final : Memory::MMIORegion {
explicit TestMemory(TestEnvironment* env_) : env(env_) {}
TestEnvironment* env;
~TestMemory() override;
bool IsValidAddress(VAddr addr) override;
u8 Read8(VAddr addr) override;
u16 Read16(VAddr addr) override;
u32 Read32(VAddr addr) override;
u64 Read64(VAddr addr) override;
bool ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size) override;
void Write8(VAddr addr, u8 data) override;
void Write16(VAddr addr, u16 data) override;
void Write32(VAddr addr, u32 data) override;
void Write64(VAddr addr, u64 data) override;
bool WriteBlock(VAddr dest_addr, const void* src_buffer, std::size_t size) override;
std::unordered_map<VAddr, u8> data;
};
bool mutable_memory;
std::shared_ptr<TestMemory> test_memory;
std::vector<WriteRecord> write_records;
std::unique_ptr<Core::Timing> timing;
std::unique_ptr<Core::System> system;
std::unique_ptr<Memory::MemorySystem> memory;
std::unique_ptr<Kernel::KernelSystem> kernel;
};
} // namespace ArmTests

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src/tests/core/arm/dyncom/arm_dyncom_vfp_tests.cpp
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <catch2/catch_test_macros.hpp>
#include "core/arm/dyncom/arm_dyncom.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "tests/core/arm/arm_test_common.h"
namespace ArmTests {
struct VfpTestCase {
u32 initial_fpscr;
u32 a;
u32 b;
u32 result;
u32 final_fpscr;
};
TEST_CASE("ARM_DynCom (vfp): vadd", "[arm_dyncom]") {
TestEnvironment test_env(false);
test_env.SetMemory32(0, 0xEE321A03); // vadd.f32 s2, s4, s6
test_env.SetMemory32(4, 0xEAFFFFFE); // b +#0
Core::System system;
Core::ARM_DynCom dyncom(system, test_env.GetMemory(), USER32MODE, 0, nullptr);
std::vector<VfpTestCase> test_cases{{
#include "vfp_vadd_f32.inc"
}};
for (const auto& test_case : test_cases) {
dyncom.SetPC(0);
dyncom.SetVFPSystemReg(VFP_FPSCR, test_case.initial_fpscr);
dyncom.SetVFPReg(4, test_case.a);
dyncom.SetVFPReg(6, test_case.b);
dyncom.Step();
if (dyncom.GetVFPReg(2) != test_case.result ||
dyncom.GetVFPSystemReg(VFP_FPSCR) != test_case.final_fpscr) {
printf("f: %x\n", test_case.initial_fpscr);
printf("a: %x\n", test_case.a);
printf("b: %x\n", test_case.b);
printf("c: %x (%x)\n", dyncom.GetVFPReg(2), test_case.result);
printf("f: %x (%x)\n", dyncom.GetVFPSystemReg(VFP_FPSCR), test_case.final_fpscr);
FAIL();
}
}
}
} // namespace ArmTests

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src/tests/core/arm/dyncom/vfp_vadd_f32.inc
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