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-rw-r--r--src/core/memory.cpp25
1 files changed, 20 insertions, 5 deletions
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index fa5273402..9f4883afc 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -1,8 +1,10 @@
// SPDX-FileCopyrightText: 2015 Citra Emulator Project
+// SPDX-FileCopyrightText: 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <cstring>
+#include <mutex>
#include <span>
#include "common/assert.h"
@@ -10,6 +12,7 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/page_table.h"
+#include "common/scope_exit.h"
#include "common/settings.h"
#include "common/swap.h"
#include "core/core.h"
@@ -318,7 +321,7 @@ struct Memory::Impl {
[&](const Common::ProcessAddress current_vaddr, const std::size_t copy_amount,
u8* const host_ptr) {
if constexpr (!UNSAFE) {
- system.GPU().InvalidateRegion(GetInteger(current_vaddr), copy_amount);
+ HandleRasterizerWrite(GetInteger(current_vaddr), copy_amount);
}
std::memcpy(host_ptr, src_buffer, copy_amount);
},
@@ -351,7 +354,7 @@ struct Memory::Impl {
},
[&](const Common::ProcessAddress current_vaddr, const std::size_t copy_amount,
u8* const host_ptr) {
- system.GPU().InvalidateRegion(GetInteger(current_vaddr), copy_amount);
+ HandleRasterizerWrite(GetInteger(current_vaddr), copy_amount);
std::memset(host_ptr, 0, copy_amount);
},
[](const std::size_t copy_amount) {});
@@ -420,7 +423,7 @@ struct Memory::Impl {
const std::size_t block_size) {
// dc cvac: Store to point of coherency
// CPU flush -> GPU invalidate
- system.GPU().InvalidateRegion(GetInteger(current_vaddr), block_size);
+ HandleRasterizerWrite(GetInteger(current_vaddr), block_size);
};
return PerformCacheOperation(dest_addr, size, on_rasterizer);
}
@@ -430,7 +433,7 @@ struct Memory::Impl {
const std::size_t block_size) {
// dc civac: Store to point of coherency, and invalidate from cache
// CPU flush -> GPU invalidate
- system.GPU().InvalidateRegion(GetInteger(current_vaddr), block_size);
+ HandleRasterizerWrite(GetInteger(current_vaddr), block_size);
};
return PerformCacheOperation(dest_addr, size, on_rasterizer);
}
@@ -767,7 +770,18 @@ struct Memory::Impl {
}
void HandleRasterizerWrite(VAddr address, size_t size) {
- const size_t core = system.GetCurrentHostThreadID();
+ constexpr size_t sys_core = Core::Hardware::NUM_CPU_CORES - 1;
+ const size_t core = std::min(system.GetCurrentHostThreadID(),
+ sys_core); // any other calls threads go to syscore.
+ // Guard on sys_core;
+ if (core == sys_core) [[unlikely]] {
+ sys_core_guard.lock();
+ }
+ SCOPE_EXIT({
+ if (core == sys_core) [[unlikely]] {
+ sys_core_guard.unlock();
+ }
+ });
auto& current_area = rasterizer_write_areas[core];
VAddr subaddress = address >> YUZU_PAGEBITS;
bool do_collection = current_area.last_address == subaddress;
@@ -799,6 +813,7 @@ struct Memory::Impl {
rasterizer_read_areas{};
std::array<GPUDirtyState, Core::Hardware::NUM_CPU_CORES> rasterizer_write_areas{};
std::span<Core::GPUDirtyMemoryManager> gpu_dirty_managers;
+ std::mutex sys_core_guard;
};
Memory::Memory(Core::System& system_) : system{system_} {