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Merge yuzu-emu#12869

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This commit is contained in:
yuzubot
2024-01-31 15:14:20 +00:00
parent 74f5e1dcf5
commit 3d21af61db
7 changed files with 156 additions and 49 deletions
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63
src/core/device_memory_manager.inc
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@ -213,8 +213,8 @@ void DeviceMemoryManager<Traits>::Free(DAddr start, size_t size) {
}
template <typename Traits>
void DeviceMemoryManager<Traits>::Map(DAddr address, VAddr virtual_address, size_t size,
Asid asid, bool track) {
void DeviceMemoryManager<Traits>::Map(DAddr address, VAddr virtual_address, size_t size, Asid asid,
bool track) {
Core::Memory::Memory* process_memory = registered_processes[asid.id];
size_t start_page_d = address >> Memory::YUZU_PAGEBITS;
size_t num_pages = Common::AlignUp(size, Memory::YUZU_PAGESIZE) >> Memory::YUZU_PAGEBITS;
@ -508,12 +508,7 @@ void DeviceMemoryManager<Traits>::UnregisterProcess(Asid asid) {
template <typename Traits>
void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size, s32 delta) {
std::unique_lock<std::mutex> lk(counter_guard, std::defer_lock);
const auto Lock = [&] {
if (!lk) {
lk.lock();
}
};
Common::ScopedRangeLock lk(counter_guard, addr, size);
u64 uncache_begin = 0;
u64 cache_begin = 0;
u64 uncache_bytes = 0;
@ -524,22 +519,36 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
const size_t page_end = Common::DivCeil(addr + size, Memory::YUZU_PAGESIZE);
size_t page = addr >> Memory::YUZU_PAGEBITS;
auto [asid, base_vaddress] = ExtractCPUBacking(page);
size_t vpage = base_vaddress >> Memory::YUZU_PAGEBITS;
auto* memory_device_inter = registered_processes[asid.id];
const auto release_pending = [&] {
if (uncache_bytes > 0) {
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS,
uncache_bytes, false);
uncache_bytes = 0;
}
if (cache_bytes > 0) {
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS,
cache_bytes, true);
cache_bytes = 0;
}
};
for (; page != page_end; ++page) {
std::atomic_uint8_t& count = cached_pages->at(page >> 3).Count(page);
CounterAtomicType& count = cached_pages->at(page >> subentries_shift).Count(page);
auto [asid_2, vpage] = ExtractCPUBacking(page);
vpage >>= Memory::YUZU_PAGEBITS;
if (delta > 0) {
ASSERT_MSG(count.load(std::memory_order::relaxed) < std::numeric_limits<u8>::max(),
"Count may overflow!");
} else if (delta < 0) {
ASSERT_MSG(count.load(std::memory_order::relaxed) > 0, "Count may underflow!");
} else {
ASSERT_MSG(false, "Delta must be non-zero!");
if (vpage == 0) [[unlikely]] {
release_pending();
continue;
}
if (asid.id != asid_2.id) [[unlikely]] {
release_pending();
memory_device_inter = registered_processes[asid_2.id];
}
// Adds or subtracts 1, as count is a unsigned 8-bit value
count.fetch_add(static_cast<u8>(delta), std::memory_order_release);
count.fetch_add(static_cast<CounterType>(delta), std::memory_order_release);
// Assume delta is either -1 or 1
if (count.load(std::memory_order::relaxed) == 0) {
@ -548,7 +557,6 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
}
uncache_bytes += Memory::YUZU_PAGESIZE;
} else if (uncache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS,
uncache_bytes, false);
uncache_bytes = 0;
@ -559,23 +567,12 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
}
cache_bytes += Memory::YUZU_PAGESIZE;
} else if (cache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes,
true);
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS,
cache_bytes, true);
cache_bytes = 0;
}
vpage++;
}
if (uncache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS, uncache_bytes,
false);
}
if (cache_bytes > 0) {
Lock();
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes,
true);
}
release_pending();
}
} // namespace Core