From 93da8e0abfcdcc6e3cb5488a0db12373429f1377 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 2 Mar 2019 15:20:28 -0500 Subject: core: Move PageTable struct into Common. --- src/core/memory.cpp | 134 +++++++++++++++++++++++----------------------------- 1 file changed, 60 insertions(+), 74 deletions(-) (limited to 'src/core/memory.cpp') diff --git a/src/core/memory.cpp b/src/core/memory.cpp index e0cc5175f..365ac82b4 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); -- cgit v1.2.3