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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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17
src/video_core/memory_manager.cpp
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@ -22,11 +22,12 @@ using Tegra::Memory::GuestMemoryFlags;
std::atomic<size_t> MemoryManager::unique_identifier_generator{};
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_},
page_bits{page_bits_}, big_page_bits{big_page_bits_}, entries{}, big_entries{},
page_table{address_space_bits, address_space_bits + page_bits - 38,
page_bits != big_page_bits ? page_bits : 0},
split_address{split_address_}, page_bits{page_bits_}, big_page_bits{big_page_bits_},
entries{}, big_entries{}, page_table{address_space_bits, address_space_bits + page_bits - 38,
page_bits != big_page_bits ? page_bits : 0},
kind_map{PTEKind::INVALID}, unique_identifier{unique_identifier_generator.fetch_add(
1, std::memory_order_acq_rel)},
accumulator{std::make_unique<VideoCommon::InvalidationAccumulator>()} {
@ -48,10 +49,10 @@ MemoryManager::MemoryManager(Core::System& system_, MaxwellDeviceMemoryManager&
entries.resize(page_table_size / 32, 0);
}
MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_, u64 big_page_bits_,
u64 page_bits_)
: MemoryManager(system_, system_.Host1x().MemoryManager(), address_space_bits_, big_page_bits_,
page_bits_) {}
MemoryManager::MemoryManager(Core::System& system_, u64 address_space_bits_,
GPUVAddr split_address_, u64 big_page_bits_, u64 page_bits_)
: MemoryManager(system_, system_.Host1x().MemoryManager(), address_space_bits_, split_address_,
big_page_bits_, page_bits_) {}
MemoryManager::~MemoryManager() = default;