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core: Move PageTable struct into Common.

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This commit is contained in:
bunnei 2019-03-02 15:20:28 -05:00
parent c30ea8aa0d
commit 5840ce2950
16 changed files with 215 additions and 171 deletions
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134
src/core/memory.cpp
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@ -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<VAddr>::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<SpecialRegion>{region}));
Common::SpecialRegion region{Common::SpecialRegion::Type::IODevice, std::move(mmio_handler)};
page_table.special_regions.add(
std::make_pair(interval, std::set<Common::SpecialRegion>{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<VAddr>::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<VAddr>::closed(base, base + size - 1);
SpecialRegion region{SpecialRegion::Type::DebugHook, std::move(hook)};
page_table.special_regions.add(std::make_pair(interval, std::set<SpecialRegion>{region}));
Common::SpecialRegion region{Common::SpecialRegion::Type::DebugHook, std::move(hook)};
page_table.special_regions.add(
std::make_pair(interval, std::set<Common::SpecialRegion>{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<VAddr>::closed(base, base + size - 1);
SpecialRegion region{SpecialRegion::Type::DebugHook, std::move(hook)};
page_table.special_regions.subtract(std::make_pair(interval, std::set<SpecialRegion>{region}));
Common::SpecialRegion region{Common::SpecialRegion::Type::DebugHook, std::move(hook)};
page_table.special_regions.subtract(
std::make_pair(interval, std::set<Common::SpecialRegion>{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<u32>(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<VAddr>((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<VAddr>((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<VAddr>((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<VAddr>((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);