core: memory: Updates for new VMM.
This commit is contained in:
parent
4c1812ae37
commit
f7c03610e1
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@ -14,9 +14,10 @@
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#include "common/swap.h"
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#include "core/arm/arm_interface.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/memory/page_table.h"
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#include "core/hle/kernel/physical_memory.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/vm_manager.h"
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#include "core/memory.h"
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#include "video_core/gpu.h"
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@ -29,9 +30,9 @@ struct Memory::Impl {
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explicit Impl(Core::System& system_) : system{system_} {}
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void SetCurrentPageTable(Kernel::Process& process) {
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current_page_table = &process.VMManager().page_table;
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current_page_table = &process.PageTable().PageTableImpl();
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const std::size_t address_space_width = process.VMManager().GetAddressSpaceWidth();
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const std::size_t address_space_width = process.PageTable().GetAddressSpaceWidth();
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system.ArmInterface(0).PageTableChanged(*current_page_table, address_space_width);
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system.ArmInterface(1).PageTableChanged(*current_page_table, address_space_width);
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@ -39,12 +40,7 @@ struct Memory::Impl {
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system.ArmInterface(3).PageTableChanged(*current_page_table, address_space_width);
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}
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void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size,
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Kernel::PhysicalMemory& memory, VAddr offset) {
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MapMemoryRegion(page_table, base, size, memory.data() + offset);
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}
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void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, u8* target) {
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void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, PAddr target) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, Common::PageType::Memory);
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@ -52,46 +48,27 @@ struct Memory::Impl {
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void MapIoRegion(Common::PageTable& page_table, VAddr base, u64 size,
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Common::MemoryHookPointer mmio_handler) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr,
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Common::PageType::Special);
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const auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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const Common::SpecialRegion region{Common::SpecialRegion::Type::IODevice,
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std::move(mmio_handler)};
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page_table.special_regions.add(
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std::make_pair(interval, std::set<Common::SpecialRegion>{region}));
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UNIMPLEMENTED();
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}
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void UnmapRegion(Common::PageTable& page_table, VAddr base, u64 size) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: {:016X}", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: {:016X}", base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr,
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Common::PageType::Unmapped);
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const auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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page_table.special_regions.erase(interval);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, 0, Common::PageType::Unmapped);
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}
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void AddDebugHook(Common::PageTable& page_table, VAddr base, u64 size,
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Common::MemoryHookPointer hook) {
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const auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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const Common::SpecialRegion region{Common::SpecialRegion::Type::DebugHook, std::move(hook)};
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page_table.special_regions.add(
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std::make_pair(interval, std::set<Common::SpecialRegion>{region}));
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UNIMPLEMENTED();
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}
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void RemoveDebugHook(Common::PageTable& page_table, VAddr base, u64 size,
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Common::MemoryHookPointer hook) {
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const auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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const Common::SpecialRegion region{Common::SpecialRegion::Type::DebugHook, std::move(hook)};
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page_table.special_regions.subtract(
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std::make_pair(interval, std::set<Common::SpecialRegion>{region}));
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UNIMPLEMENTED();
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}
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bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) const {
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const auto& page_table = process.VMManager().page_table;
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const auto& page_table = process.PageTable().PageTableImpl();
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const u8* const page_pointer = page_table.pointers[vaddr >> PAGE_BITS];
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if (page_pointer != nullptr) {
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@ -113,55 +90,28 @@ struct Memory::Impl {
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return IsValidVirtualAddress(*system.CurrentProcess(), vaddr);
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}
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/**
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* Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
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* using a VMA from the current process
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*/
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u8* GetPointerFromVMA(const Kernel::Process& process, VAddr vaddr) {
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const auto& vm_manager = process.VMManager();
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u8* GetPointerFromRasterizerCachedMemory(VAddr vaddr) const {
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const PAddr paddr{current_page_table->backing_addr[vaddr >> PAGE_BITS]};
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const auto it = vm_manager.FindVMA(vaddr);
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DEBUG_ASSERT(vm_manager.IsValidHandle(it));
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u8* direct_pointer = nullptr;
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const auto& vma = it->second;
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switch (vma.type) {
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case Kernel::VMAType::AllocatedMemoryBlock:
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direct_pointer = vma.backing_block->data() + vma.offset;
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break;
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case Kernel::VMAType::BackingMemory:
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direct_pointer = vma.backing_memory;
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break;
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case Kernel::VMAType::Free:
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return nullptr;
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default:
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UNREACHABLE();
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if (!paddr) {
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return {};
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}
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return direct_pointer + (vaddr - vma.base);
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return system.DeviceMemory().GetPointer(paddr) + vaddr;
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}
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/**
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* Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
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* using a VMA from the current process.
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*/
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u8* GetPointerFromVMA(VAddr vaddr) {
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return GetPointerFromVMA(*system.CurrentProcess(), vaddr);
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}
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u8* GetPointer(const VAddr vaddr) {
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u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer != nullptr) {
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u8* GetPointer(const VAddr vaddr) const {
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u8* const page_pointer{current_page_table->pointers[vaddr >> PAGE_BITS]};
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if (page_pointer) {
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return page_pointer + vaddr;
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}
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if (current_page_table->attributes[vaddr >> PAGE_BITS] ==
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Common::PageType::RasterizerCachedMemory) {
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return GetPointerFromVMA(vaddr);
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return GetPointerFromRasterizerCachedMemory(vaddr);
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}
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LOG_ERROR(HW_Memory, "Unknown GetPointer @ 0x{:016X}", vaddr);
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return nullptr;
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return {};
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}
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u8 Read8(const VAddr addr) {
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@ -213,7 +163,7 @@ struct Memory::Impl {
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void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
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const std::size_t size) {
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const auto& page_table = process.VMManager().page_table;
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const auto& page_table = process.PageTable().PageTableImpl();
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std::size_t remaining_size = size;
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std::size_t page_index = src_addr >> PAGE_BITS;
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@ -241,7 +191,7 @@ struct Memory::Impl {
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break;
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}
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case Common::PageType::RasterizerCachedMemory: {
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const u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
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const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)};
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system.GPU().FlushRegion(current_vaddr, copy_amount);
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std::memcpy(dest_buffer, host_ptr, copy_amount);
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break;
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@ -259,7 +209,7 @@ struct Memory::Impl {
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void ReadBlockUnsafe(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
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const std::size_t size) {
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const auto& page_table = process.VMManager().page_table;
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const auto& page_table = process.PageTable().PageTableImpl();
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std::size_t remaining_size = size;
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std::size_t page_index = src_addr >> PAGE_BITS;
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@ -287,7 +237,7 @@ struct Memory::Impl {
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break;
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}
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case Common::PageType::RasterizerCachedMemory: {
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const u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
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const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)};
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std::memcpy(dest_buffer, host_ptr, copy_amount);
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break;
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}
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@ -312,7 +262,7 @@ struct Memory::Impl {
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void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const void* src_buffer,
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const std::size_t size) {
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const auto& page_table = process.VMManager().page_table;
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const auto& page_table = process.PageTable().PageTableImpl();
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std::size_t remaining_size = size;
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std::size_t page_index = dest_addr >> PAGE_BITS;
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std::size_t page_offset = dest_addr & PAGE_MASK;
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@ -338,7 +288,7 @@ struct Memory::Impl {
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break;
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}
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case Common::PageType::RasterizerCachedMemory: {
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u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
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u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)};
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system.GPU().InvalidateRegion(current_vaddr, copy_amount);
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std::memcpy(host_ptr, src_buffer, copy_amount);
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break;
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@ -356,7 +306,7 @@ struct Memory::Impl {
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void WriteBlockUnsafe(const Kernel::Process& process, const VAddr dest_addr,
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const void* src_buffer, const std::size_t size) {
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const auto& page_table = process.VMManager().page_table;
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const auto& page_table = process.PageTable().PageTableImpl();
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std::size_t remaining_size = size;
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std::size_t page_index = dest_addr >> PAGE_BITS;
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std::size_t page_offset = dest_addr & PAGE_MASK;
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@ -382,7 +332,7 @@ struct Memory::Impl {
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break;
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}
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case Common::PageType::RasterizerCachedMemory: {
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u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
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u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)};
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std::memcpy(host_ptr, src_buffer, copy_amount);
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break;
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}
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@ -406,7 +356,7 @@ struct Memory::Impl {
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}
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void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const std::size_t size) {
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const auto& page_table = process.VMManager().page_table;
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const auto& page_table = process.PageTable().PageTableImpl();
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std::size_t remaining_size = size;
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std::size_t page_index = dest_addr >> PAGE_BITS;
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std::size_t page_offset = dest_addr & PAGE_MASK;
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@ -432,7 +382,7 @@ struct Memory::Impl {
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break;
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}
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case Common::PageType::RasterizerCachedMemory: {
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u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
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u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)};
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system.GPU().InvalidateRegion(current_vaddr, copy_amount);
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std::memset(host_ptr, 0, copy_amount);
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break;
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@ -453,7 +403,7 @@ struct Memory::Impl {
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void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr,
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const std::size_t size) {
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const auto& page_table = process.VMManager().page_table;
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const auto& page_table = process.PageTable().PageTableImpl();
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std::size_t remaining_size = size;
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std::size_t page_index = src_addr >> PAGE_BITS;
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std::size_t page_offset = src_addr & PAGE_MASK;
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@ -479,7 +429,7 @@ struct Memory::Impl {
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break;
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}
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case Common::PageType::RasterizerCachedMemory: {
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const u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
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const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)};
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system.GPU().FlushRegion(current_vaddr, copy_amount);
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WriteBlock(process, dest_addr, host_ptr, copy_amount);
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break;
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@ -512,7 +462,7 @@ struct Memory::Impl {
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u64 num_pages = ((vaddr + size - 1) >> PAGE_BITS) - (vaddr >> PAGE_BITS) + 1;
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for (unsigned i = 0; i < num_pages; ++i, vaddr += PAGE_SIZE) {
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Common::PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
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Common::PageType& page_type{current_page_table->attributes[vaddr >> PAGE_BITS]};
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if (cached) {
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// Switch page type to cached if now cached
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@ -544,7 +494,7 @@ struct Memory::Impl {
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// that this area is already unmarked as cached.
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break;
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case Common::PageType::RasterizerCachedMemory: {
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u8* pointer = GetPointerFromVMA(vaddr & ~PAGE_MASK);
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u8* pointer{GetPointerFromRasterizerCachedMemory(vaddr & ~PAGE_MASK)};
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if (pointer == nullptr) {
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// It's possible that this function has been called while updating the
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// pagetable after unmapping a VMA. In that case the underlying VMA will no
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@ -573,9 +523,9 @@ struct Memory::Impl {
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* @param memory The memory to map.
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* @param type The page type to map the memory as.
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*/
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void MapPages(Common::PageTable& page_table, VAddr base, u64 size, u8* memory,
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void MapPages(Common::PageTable& page_table, VAddr base, u64 size, PAddr target,
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Common::PageType type) {
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LOG_DEBUG(HW_Memory, "Mapping {} onto {:016X}-{:016X}", fmt::ptr(memory), base * PAGE_SIZE,
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LOG_DEBUG(HW_Memory, "Mapping {:016X} onto {:016X}-{:016X}", target, base * PAGE_SIZE,
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(base + size) * PAGE_SIZE);
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// During boot, current_page_table might not be set yet, in which case we need not flush
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@ -593,19 +543,26 @@ struct Memory::Impl {
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ASSERT_MSG(end <= page_table.pointers.size(), "out of range mapping at {:016X}",
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base + page_table.pointers.size());
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std::fill(page_table.attributes.begin() + base, page_table.attributes.begin() + end, type);
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if (!target) {
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while (base != end) {
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page_table.pointers[base] = nullptr;
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page_table.attributes[base] = type;
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page_table.backing_addr[base] = 0;
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if (memory == nullptr) {
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std::fill(page_table.pointers.begin() + base, page_table.pointers.begin() + end,
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memory);
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base += 1;
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}
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} else {
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while (base != end) {
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page_table.pointers[base] = memory - (base << PAGE_BITS);
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page_table.pointers[base] =
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system.DeviceMemory().GetPointer(target) - (base << PAGE_BITS);
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page_table.attributes[base] = type;
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page_table.backing_addr[base] = target - (base << PAGE_BITS);
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ASSERT_MSG(page_table.pointers[base],
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"memory mapping base yield a nullptr within the table");
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base += 1;
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memory += PAGE_SIZE;
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target += PAGE_SIZE;
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}
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}
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}
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@ -640,7 +597,7 @@ struct Memory::Impl {
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ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
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break;
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case Common::PageType::RasterizerCachedMemory: {
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const u8* const host_ptr = GetPointerFromVMA(vaddr);
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const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
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system.GPU().FlushRegion(vaddr, sizeof(T));
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T value;
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std::memcpy(&value, host_ptr, sizeof(T));
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@ -682,7 +639,7 @@ struct Memory::Impl {
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ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
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break;
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case Common::PageType::RasterizerCachedMemory: {
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u8* const host_ptr{GetPointerFromVMA(vaddr)};
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u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)};
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system.GPU().InvalidateRegion(vaddr, sizeof(T));
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std::memcpy(host_ptr, &data, sizeof(T));
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break;
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@ -703,12 +660,7 @@ void Memory::SetCurrentPageTable(Kernel::Process& process) {
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impl->SetCurrentPageTable(process);
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}
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void Memory::MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size,
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Kernel::PhysicalMemory& memory, VAddr offset) {
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impl->MapMemoryRegion(page_table, base, size, memory, offset);
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}
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void Memory::MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, u8* target) {
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void Memory::MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, PAddr target) {
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impl->MapMemoryRegion(page_table, base, size, target);
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}
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@ -66,19 +66,6 @@ public:
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*/
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void SetCurrentPageTable(Kernel::Process& process);
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/**
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* Maps an physical buffer onto a region of the emulated process address space.
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*
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* @param page_table The page table of the emulated process.
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* @param base The address to start mapping at. Must be page-aligned.
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* @param size The amount of bytes to map. Must be page-aligned.
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* @param memory Physical buffer with the memory backing the mapping. Must be of length
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* at least `size + offset`.
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* @param offset The offset within the physical memory. Must be page-aligned.
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*/
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void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size,
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Kernel::PhysicalMemory& memory, VAddr offset);
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/**
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* Maps an allocated buffer onto a region of the emulated process address space.
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*
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@ -88,7 +75,7 @@ public:
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* @param target Buffer with the memory backing the mapping. Must be of length at least
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* `size`.
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*/
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void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, u8* target);
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void MapMemoryRegion(Common::PageTable& page_table, VAddr base, u64 size, PAddr target);
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/**
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* Maps a region of the emulated process address space as a IO region.
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Reference in New Issue