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MemoryManager: Reduce the page table size based on last big page address.

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This commit is contained in:
Fernando Sahmkow 2024-02-01 12:42:11 +01:00
parent c98d0e185f
commit f740d8b9be
4 changed files with 19 additions and 14 deletions
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6
src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
View file

@ -123,6 +123,8 @@ NvResult nvhost_as_gpu::AllocAsEx(IoctlAllocAsEx& params) {
vm.va_range_end = params.va_range_end; vm.va_range_end = params.va_range_end;
} }
const u64 max_big_page_bits = Common::Log2Ceil64(vm.va_range_end);
const auto start_pages{static_cast<u32>(vm.va_range_start >> VM::PAGE_SIZE_BITS)}; const auto start_pages{static_cast<u32>(vm.va_range_start >> VM::PAGE_SIZE_BITS)};
const auto end_pages{static_cast<u32>(vm.va_range_split >> VM::PAGE_SIZE_BITS)}; const auto end_pages{static_cast<u32>(vm.va_range_split >> VM::PAGE_SIZE_BITS)};
vm.small_page_allocator = std::make_shared<VM::Allocator>(start_pages, end_pages); vm.small_page_allocator = std::make_shared<VM::Allocator>(start_pages, end_pages);
@ -132,8 +134,8 @@ NvResult nvhost_as_gpu::AllocAsEx(IoctlAllocAsEx& params) {
static_cast<u32>((vm.va_range_end - vm.va_range_split) >> vm.big_page_size_bits)}; static_cast<u32>((vm.va_range_end - vm.va_range_split) >> vm.big_page_size_bits)};
vm.big_page_allocator = std::make_unique<VM::Allocator>(start_big_pages, end_big_pages); vm.big_page_allocator = std::make_unique<VM::Allocator>(start_big_pages, end_big_pages);
gmmu = std::make_shared<Tegra::MemoryManager>(system, 40, vm.big_page_size_bits, gmmu = std::make_shared<Tegra::MemoryManager>(system, max_big_page_bits, vm.va_range_split,
VM::PAGE_SIZE_BITS); vm.big_page_size_bits, VM::PAGE_SIZE_BITS);
system.GPU().InitAddressSpace(*gmmu); system.GPU().InitAddressSpace(*gmmu);
vm.initialised = true; vm.initialised = true;

2
src/video_core/host1x/host1x.cpp
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@ -10,7 +10,7 @@ namespace Host1x {
Host1x::Host1x(Core::System& system_) Host1x::Host1x(Core::System& system_)
: system{system_}, syncpoint_manager{}, : system{system_}, syncpoint_manager{},
memory_manager(system.DeviceMemory()), gmmu_manager{system, memory_manager, 32, 12}, memory_manager(system.DeviceMemory()), gmmu_manager{system, memory_manager, 32, 0, 12},
allocator{std::make_unique<Common::FlatAllocator<u32, 0, 32>>(1 << 12)} {} allocator{std::make_unique<Common::FlatAllocator<u32, 0, 32>>(1 << 12)} {}
Host1x::~Host1x() = default; Host1x::~Host1x() = default;

15
src/video_core/memory_manager.cpp
View file

@ -22,10 +22,11 @@ using Tegra::Memory::GuestMemoryFlags;
std::atomic<size_t> MemoryManager::unique_identifier_generator{}; std::atomic<size_t> MemoryManager::unique_identifier_generator{};
MemoryManager::MemoryManager(Core::System& system_, MaxwellDeviceMemoryManager& memory_, MemoryManager::MemoryManager(Core::System& system_, MaxwellDeviceMemoryManager& memory_,
u64 address_space_bits_, u64 big_page_bits_, u64 page_bits_) u64 address_space_bits_, GPUVAddr split_address_, u64 big_page_bits_,
u64 page_bits_)
: system{system_}, memory{memory_}, address_space_bits{address_space_bits_}, : system{system_}, memory{memory_}, address_space_bits{address_space_bits_},
page_bits{page_bits_}, big_page_bits{big_page_bits_}, entries{}, big_entries{}, split_address{split_address_}, page_bits{page_bits_}, big_page_bits{big_page_bits_},
page_table{address_space_bits, address_space_bits + page_bits - 38, entries{}, big_entries{}, page_table{address_space_bits, address_space_bits + page_bits - 38,
page_bits != big_page_bits ? page_bits : 0}, page_bits != big_page_bits ? page_bits : 0},
kind_map{PTEKind::INVALID}, unique_identifier{unique_identifier_generator.fetch_add( kind_map{PTEKind::INVALID}, unique_identifier{unique_identifier_generator.fetch_add(
1, std::memory_order_acq_rel)}, 1, std::memory_order_acq_rel)},
@ -48,10 +49,10 @@ MemoryManager::MemoryManager(Core::System& system_, MaxwellDeviceMemoryManager&
entries.resize(page_table_size / 32, 0); entries.resize(page_table_size / 32, 0);
} }
MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_, u64 big_page_bits_, MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_,
u64 page_bits_) GPUVAddr split_address_, u64 big_page_bits_, u64 page_bits_)
: MemoryManager(system_, system_.Host1x().MemoryManager(), address_space_bits_, big_page_bits_, : MemoryManager(system_, system_.Host1x().MemoryManager(), address_space_bits_, split_address_,
page_bits_) {} big_page_bits_, page_bits_) {}
MemoryManager::~MemoryManager() = default; MemoryManager::~MemoryManager() = default;

8
src/video_core/memory_manager.h
View file

@ -36,10 +36,11 @@ namespace Tegra {
class MemoryManager final { class MemoryManager final {
public: public:
explicit MemoryManager(Core::System& system_, u64 address_space_bits_ = 40, explicit MemoryManager(Core::System& system_, u64 address_space_bits_ = 40,
u64 big_page_bits_ = 16, u64 page_bits_ = 12); GPUVAddr split_address = 1ULL << 34, u64 big_page_bits_ = 16,
explicit MemoryManager(Core::System& system_, MaxwellDeviceMemoryManager& memory_,
u64 address_space_bits_ = 40, u64 big_page_bits_ = 16,
u64 page_bits_ = 12); u64 page_bits_ = 12);
explicit MemoryManager(Core::System& system_, MaxwellDeviceMemoryManager& memory_,
u64 address_space_bits_ = 40, GPUVAddr split_address = 1ULL << 34,
u64 big_page_bits_ = 16, u64 page_bits_ = 12);
~MemoryManager(); ~MemoryManager();
size_t GetID() const { size_t GetID() const {
@ -192,6 +193,7 @@ private:
MaxwellDeviceMemoryManager& memory; MaxwellDeviceMemoryManager& memory;
const u64 address_space_bits; const u64 address_space_bits;
GPUVAddr split_address;
const u64 page_bits; const u64 page_bits;
u64 address_space_size; u64 address_space_size;
u64 page_size; u64 page_size;