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Memory: move memory setup into MemorySystem

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This commit is contained in:
Weiyi Wang 2018-12-10 22:01:09 -05:00
parent e7a3c296c3
commit 643b7d4dcb
11 changed files with 46 additions and 56 deletions
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1
src/core/CMakeLists.txt
View file

@ -418,7 +418,6 @@ add_library(core STATIC
loader/smdh.h
memory.cpp
memory.h
memory_setup.h
mmio.h
movie.cpp
movie.h

1
src/core/core.cpp
View file

@ -25,7 +25,6 @@
#include "core/hle/service/sm/sm.h"
#include "core/hw/hw.h"
#include "core/loader/loader.h"
#include "core/memory_setup.h"
#include "core/movie.h"
#ifdef ENABLE_SCRIPTING
#include "core/rpc/rpc_server.h"

1
src/core/hle/kernel/memory.cpp
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@ -19,7 +19,6 @@
#include "core/hle/kernel/vm_manager.h"
#include "core/hle/result.h"
#include "core/memory.h"
#include "core/memory_setup.h"
////////////////////////////////////////////////////////////////////////////////////////////////////

2
src/core/hle/kernel/process.cpp
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@ -402,7 +402,7 @@ ResultCode Process::Unmap(VAddr target, VAddr source, u32 size, VMAPermission pe
}
Kernel::Process::Process(KernelSystem& kernel)
: Object(kernel), handle_table(kernel), kernel(kernel) {}
: Object(kernel), handle_table(kernel), kernel(kernel), vm_manager(kernel.memory) {}
Kernel::Process::~Process() {}
SharedPtr<Process> KernelSystem::GetProcessById(u32 process_id) const {

9
src/core/hle/kernel/vm_manager.cpp
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@ -8,7 +8,6 @@
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/vm_manager.h"
#include "core/memory.h"
#include "core/memory_setup.h"
#include "core/mmio.h"
namespace Kernel {
@ -37,7 +36,7 @@ bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const {
return true;
}
VMManager::VMManager() {
VMManager::VMManager(Memory::MemorySystem& memory) : memory(memory) {
Reset();
}
@ -351,13 +350,13 @@ VMManager::VMAIter VMManager::MergeAdjacent(VMAIter iter) {
void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) {
switch (vma.type) {
case VMAType::Free:
Memory::UnmapRegion(page_table, vma.base, vma.size);
memory.UnmapRegion(page_table, vma.base, vma.size);
break;
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;
case VMAType::MMIO:
Memory::MapIoRegion(page_table, vma.base, vma.size, vma.mmio_handler);
memory.MapIoRegion(page_table, vma.base, vma.size, vma.mmio_handler);
break;
}
}

4
src/core/hle/kernel/vm_manager.h
View file

@ -113,7 +113,7 @@ public:
std::map<VAddr, VirtualMemoryArea> vma_map;
using VMAHandle = decltype(vma_map)::const_iterator;
VMManager();
explicit VMManager(Memory::MemorySystem& memory);
~VMManager();
/// Clears the address space map, re-initializing with a single free area.
@ -227,5 +227,7 @@ private:
/// Updates the pages corresponding to this VMA so they match the VMA's attributes.
void UpdatePageTableForVMA(const VirtualMemoryArea& vma);
Memory::MemorySystem& memory;
};
} // namespace Kernel

10
src/core/memory.cpp
View file

@ -15,7 +15,6 @@
#include "core/hle/kernel/process.h"
#include "core/hle/lock.h"
#include "core/memory.h"
#include "core/memory_setup.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
@ -87,7 +86,7 @@ PageTable* MemorySystem::GetCurrentPageTable() const {
return impl->current_page_table;
}
static void MapPages(PageTable& page_table, u32 base, u32 size, u8* memory, PageType type) {
void MemorySystem::MapPages(PageTable& page_table, u32 base, u32 size, u8* memory, PageType type) {
LOG_DEBUG(HW_Memory, "Mapping {} onto {:08X}-{:08X}", (void*)memory, base * PAGE_SIZE,
(base + size) * PAGE_SIZE);
@ -107,13 +106,14 @@ static void MapPages(PageTable& page_table, u32 base, u32 size, u8* memory, Page
}
}
void MapMemoryRegion(PageTable& page_table, VAddr base, u32 size, u8* target) {
void MemorySystem::MapMemoryRegion(PageTable& page_table, VAddr base, u32 size, u8* target) {
ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:08X}", size);
ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:08X}", base);
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
}
void MapIoRegion(PageTable& page_table, VAddr base, u32 size, MMIORegionPointer mmio_handler) {
void MemorySystem::MapIoRegion(PageTable& page_table, VAddr base, u32 size,
MMIORegionPointer mmio_handler) {
ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:08X}", size);
ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:08X}", base);
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
@ -121,7 +121,7 @@ void MapIoRegion(PageTable& page_table, VAddr base, u32 size, MMIORegionPointer
page_table.special_regions.emplace_back(SpecialRegion{base, size, mmio_handler});
}
void UnmapRegion(PageTable& page_table, VAddr base, u32 size) {
void MemorySystem::UnmapRegion(PageTable& page_table, VAddr base, u32 size) {
ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:08X}", size);
ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:08X}", base);
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);

23
src/core/memory.h
View file

@ -214,6 +214,27 @@ public:
MemorySystem();
~MemorySystem();
/**
* Maps an allocated buffer onto a region of the emulated process address space.
*
* @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 target Buffer with the memory backing the mapping. Must be of length at least `size`.
*/
void MapMemoryRegion(PageTable& page_table, VAddr base, u32 size, u8* 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);
/// Currently active page table
void SetCurrentPageTable(PageTable* page_table);
PageTable* GetCurrentPageTable() const;
@ -275,6 +296,8 @@ private:
*/
u8* GetPointerForRasterizerCache(VAddr addr);
void MapPages(PageTable& page_table, u32 base, u32 size, u8* memory, PageType type);
class Impl;
std::unique_ptr<Impl> impl;

32
src/core/memory_setup.h
View file

@ -1,32 +0,0 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "core/mmio.h"
namespace Memory {
/**
* Maps an allocated buffer onto a region of the emulated process address space.
*
* @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 target Buffer with the memory backing the mapping. Must be of length at least `size`.
*/
void MapMemoryRegion(PageTable& page_table, VAddr base, u32 size, u8* 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);
} // namespace Memory

10
src/tests/core/arm/arm_test_common.cpp
View file

@ -6,7 +6,6 @@
#include "core/core_timing.h"
#include "core/hle/kernel/process.h"
#include "core/memory.h"
#include "core/memory_setup.h"
#include "tests/core/arm/arm_test_common.h"
namespace ArmTests {
@ -31,15 +30,16 @@ TestEnvironment::TestEnvironment(bool mutable_memory_)
page_table->pointers.fill(nullptr);
page_table->attributes.fill(Memory::PageType::Unmapped);
Memory::MapIoRegion(*page_table, 0x00000000, 0x80000000, test_memory);
Memory::MapIoRegion(*page_table, 0x80000000, 0x80000000, test_memory);
memory.MapIoRegion(*page_table, 0x00000000, 0x80000000, test_memory);
memory.MapIoRegion(*page_table, 0x80000000, 0x80000000, test_memory);
memory.SetCurrentPageTable(page_table);
}
TestEnvironment::~TestEnvironment() {
Memory::UnmapRegion(*page_table, 0x80000000, 0x80000000);
Memory::UnmapRegion(*page_table, 0x00000000, 0x80000000);
Memory::MemorySystem& memory = *Core::System::GetInstance().memory;
memory.UnmapRegion(*page_table, 0x80000000, 0x80000000);
memory.UnmapRegion(*page_table, 0x00000000, 0x80000000);
}
void TestEnvironment::SetMemory64(VAddr vaddr, u64 value) {

9
src/tests/core/memory/vm_manager.cpp
View file

@ -11,9 +11,10 @@
TEST_CASE("Memory Basics", "[kernel][memory]") {
auto block = std::make_shared<std::vector<u8>>(Memory::PAGE_SIZE);
Memory::MemorySystem memory;
SECTION("mapping memory") {
// Because of the PageTable, Kernel::VMManager is too big to be created on the stack.
auto manager = std::make_unique<Kernel::VMManager>();
auto manager = std::make_unique<Kernel::VMManager>(memory);
auto result = manager->MapBackingMemory(Memory::HEAP_VADDR, block->data(), block->size(),
Kernel::MemoryState::Private);
REQUIRE(result.Code() == RESULT_SUCCESS);
@ -28,7 +29,7 @@ TEST_CASE("Memory Basics", "[kernel][memory]") {
SECTION("unmapping memory") {
// Because of the PageTable, Kernel::VMManager is too big to be created on the stack.
auto manager = std::make_unique<Kernel::VMManager>();
auto manager = std::make_unique<Kernel::VMManager>(memory);
auto result = manager->MapBackingMemory(Memory::HEAP_VADDR, block->data(), block->size(),
Kernel::MemoryState::Private);
REQUIRE(result.Code() == RESULT_SUCCESS);
@ -44,7 +45,7 @@ TEST_CASE("Memory Basics", "[kernel][memory]") {
SECTION("changing memory permissions") {
// Because of the PageTable, Kernel::VMManager is too big to be created on the stack.
auto manager = std::make_unique<Kernel::VMManager>();
auto manager = std::make_unique<Kernel::VMManager>(memory);
auto result = manager->MapBackingMemory(Memory::HEAP_VADDR, block->data(), block->size(),
Kernel::MemoryState::Private);
REQUIRE(result.Code() == RESULT_SUCCESS);
@ -63,7 +64,7 @@ TEST_CASE("Memory Basics", "[kernel][memory]") {
SECTION("changing memory state") {
// Because of the PageTable, Kernel::VMManager is too big to be created on the stack.
auto manager = std::make_unique<Kernel::VMManager>();
auto manager = std::make_unique<Kernel::VMManager>(memory);
auto result = manager->MapBackingMemory(Memory::HEAP_VADDR, block->data(), block->size(),
Kernel::MemoryState::Private);
REQUIRE(result.Code() == RESULT_SUCCESS);