From d1441684420dc43edea6b07225d6ac79a13d07f4 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Fri, 14 Jul 2023 22:19:59 -0400
Subject: [PATCH] memory: minimize dependency on process
---
src/core/memory.cpp | 115 ++++++++++++++++++++++----------------------
src/core/memory.h | 13 +++--
2 files changed, 63 insertions(+), 65 deletions(-)
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index e1fbe8e00a..179685b722 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -183,13 +183,13 @@ struct Memory::Impl {
return string;
}
- void WalkBlock(const Kernel::KProcess& process, const Common::ProcessAddress addr,
- const std::size_t size, auto on_unmapped, auto on_memory, auto on_rasterizer,
- auto increment) {
- const auto& page_table = process.GetPageTable().PageTableImpl();
+ bool WalkBlock(const Common::ProcessAddress addr, const std::size_t size, auto on_unmapped,
+ auto on_memory, auto on_rasterizer, auto increment) {
+ const auto& page_table = system.ApplicationProcess()->GetPageTable().PageTableImpl();
std::size_t remaining_size = size;
std::size_t page_index = addr >> YUZU_PAGEBITS;
std::size_t page_offset = addr & YUZU_PAGEMASK;
+ bool user_accessible = true;
while (remaining_size) {
const std::size_t copy_amount =
@@ -200,6 +200,7 @@ struct Memory::Impl {
const auto [pointer, type] = page_table.pointers[page_index].PointerType();
switch (type) {
case Common::PageType::Unmapped: {
+ user_accessible = false;
on_unmapped(copy_amount, current_vaddr);
break;
}
@@ -227,13 +228,15 @@ struct Memory::Impl {
increment(copy_amount);
remaining_size -= copy_amount;
}
+
+ return user_accessible;
}
template <bool UNSAFE>
- void ReadBlockImpl(const Kernel::KProcess& process, const Common::ProcessAddress src_addr,
- void* dest_buffer, const std::size_t size) {
- WalkBlock(
- process, src_addr, size,
+ bool ReadBlockImpl(const Common::ProcessAddress src_addr, void* dest_buffer,
+ const std::size_t size) {
+ return WalkBlock(
+ src_addr, size,
[src_addr, size, &dest_buffer](const std::size_t copy_amount,
const Common::ProcessAddress current_vaddr) {
LOG_ERROR(HW_Memory,
@@ -256,14 +259,14 @@ struct Memory::Impl {
});
}
- void ReadBlock(const Common::ProcessAddress src_addr, void* dest_buffer,
+ bool ReadBlock(const Common::ProcessAddress src_addr, void* dest_buffer,
const std::size_t size) {
- ReadBlockImpl<false>(*system.ApplicationProcess(), src_addr, dest_buffer, size);
+ return ReadBlockImpl<false>(src_addr, dest_buffer, size);
}
- void ReadBlockUnsafe(const Common::ProcessAddress src_addr, void* dest_buffer,
+ bool ReadBlockUnsafe(const Common::ProcessAddress src_addr, void* dest_buffer,
const std::size_t size) {
- ReadBlockImpl<true>(*system.ApplicationProcess(), src_addr, dest_buffer, size);
+ return ReadBlockImpl<true>(src_addr, dest_buffer, size);
}
const u8* GetSpan(const VAddr src_addr, const std::size_t size) const {
@@ -283,10 +286,10 @@ struct Memory::Impl {
}
template <bool UNSAFE>
- void WriteBlockImpl(const Kernel::KProcess& process, const Common::ProcessAddress dest_addr,
- const void* src_buffer, const std::size_t size) {
- WalkBlock(
- process, dest_addr, size,
+ bool WriteBlockImpl(const Common::ProcessAddress dest_addr, const void* src_buffer,
+ const std::size_t size) {
+ return WalkBlock(
+ dest_addr, size,
[dest_addr, size](const std::size_t copy_amount,
const Common::ProcessAddress current_vaddr) {
LOG_ERROR(HW_Memory,
@@ -308,20 +311,19 @@ struct Memory::Impl {
});
}
- void WriteBlock(const Common::ProcessAddress dest_addr, const void* src_buffer,
+ bool WriteBlock(const Common::ProcessAddress dest_addr, const void* src_buffer,
const std::size_t size) {
- WriteBlockImpl<false>(*system.ApplicationProcess(), dest_addr, src_buffer, size);
+ return WriteBlockImpl<false>(dest_addr, src_buffer, size);
}
- void WriteBlockUnsafe(const Common::ProcessAddress dest_addr, const void* src_buffer,
+ bool WriteBlockUnsafe(const Common::ProcessAddress dest_addr, const void* src_buffer,
const std::size_t size) {
- WriteBlockImpl<true>(*system.ApplicationProcess(), dest_addr, src_buffer, size);
+ return WriteBlockImpl<true>(dest_addr, src_buffer, size);
}
- void ZeroBlock(const Kernel::KProcess& process, const Common::ProcessAddress dest_addr,
- const std::size_t size) {
- WalkBlock(
- process, dest_addr, size,
+ bool ZeroBlock(const Common::ProcessAddress dest_addr, const std::size_t size) {
+ return WalkBlock(
+ dest_addr, size,
[dest_addr, size](const std::size_t copy_amount,
const Common::ProcessAddress current_vaddr) {
LOG_ERROR(HW_Memory,
@@ -339,23 +341,23 @@ struct Memory::Impl {
[](const std::size_t copy_amount) {});
}
- void CopyBlock(const Kernel::KProcess& process, Common::ProcessAddress dest_addr,
- Common::ProcessAddress src_addr, const std::size_t size) {
- WalkBlock(
- process, dest_addr, size,
+ bool CopyBlock(Common::ProcessAddress dest_addr, Common::ProcessAddress src_addr,
+ const std::size_t size) {
+ return WalkBlock(
+ dest_addr, size,
[&](const std::size_t copy_amount, const Common::ProcessAddress current_vaddr) {
LOG_ERROR(HW_Memory,
"Unmapped CopyBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
GetInteger(current_vaddr), GetInteger(src_addr), size);
- ZeroBlock(process, dest_addr, copy_amount);
+ ZeroBlock(dest_addr, copy_amount);
},
[&](const std::size_t copy_amount, const u8* const src_ptr) {
- WriteBlockImpl<false>(process, dest_addr, src_ptr, copy_amount);
+ WriteBlockImpl<false>(dest_addr, src_ptr, copy_amount);
},
[&](const Common::ProcessAddress current_vaddr, const std::size_t copy_amount,
u8* const host_ptr) {
HandleRasterizerDownload(GetInteger(current_vaddr), copy_amount);
- WriteBlockImpl<false>(process, dest_addr, host_ptr, copy_amount);
+ WriteBlockImpl<false>(dest_addr, host_ptr, copy_amount);
},
[&](const std::size_t copy_amount) {
dest_addr += copy_amount;
@@ -364,13 +366,13 @@ struct Memory::Impl {
}
template <typename Callback>
- Result PerformCacheOperation(const Kernel::KProcess& process, Common::ProcessAddress dest_addr,
- std::size_t size, Callback&& cb) {
+ Result PerformCacheOperation(Common::ProcessAddress dest_addr, std::size_t size,
+ Callback&& cb) {
class InvalidMemoryException : public std::exception {};
try {
WalkBlock(
- process, dest_addr, size,
+ dest_addr, size,
[&](const std::size_t block_size, const Common::ProcessAddress current_vaddr) {
LOG_ERROR(HW_Memory, "Unmapped cache maintenance @ {:#018X}",
GetInteger(current_vaddr));
@@ -387,37 +389,34 @@ struct Memory::Impl {
return ResultSuccess;
}
- Result InvalidateDataCache(const Kernel::KProcess& process, Common::ProcessAddress dest_addr,
- std::size_t size) {
+ Result InvalidateDataCache(Common::ProcessAddress dest_addr, std::size_t size) {
auto on_rasterizer = [&](const Common::ProcessAddress current_vaddr,
const std::size_t block_size) {
// dc ivac: Invalidate to point of coherency
// GPU flush -> CPU invalidate
HandleRasterizerDownload(GetInteger(current_vaddr), block_size);
};
- return PerformCacheOperation(process, dest_addr, size, on_rasterizer);
+ return PerformCacheOperation(dest_addr, size, on_rasterizer);
}
- Result StoreDataCache(const Kernel::KProcess& process, Common::ProcessAddress dest_addr,
- std::size_t size) {
+ Result StoreDataCache(Common::ProcessAddress dest_addr, std::size_t size) {
auto on_rasterizer = [&](const Common::ProcessAddress current_vaddr,
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);
};
- return PerformCacheOperation(process, dest_addr, size, on_rasterizer);
+ return PerformCacheOperation(dest_addr, size, on_rasterizer);
}
- Result FlushDataCache(const Kernel::KProcess& process, Common::ProcessAddress dest_addr,
- std::size_t size) {
+ Result FlushDataCache(Common::ProcessAddress dest_addr, std::size_t size) {
auto on_rasterizer = [&](const Common::ProcessAddress current_vaddr,
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);
};
- return PerformCacheOperation(process, dest_addr, size, on_rasterizer);
+ return PerformCacheOperation(dest_addr, size, on_rasterizer);
}
void MarkRegionDebug(u64 vaddr, u64 size, bool debug) {
@@ -899,14 +898,14 @@ std::string Memory::ReadCString(Common::ProcessAddress vaddr, std::size_t max_le
return impl->ReadCString(vaddr, max_length);
}
-void Memory::ReadBlock(const Common::ProcessAddress src_addr, void* dest_buffer,
+bool Memory::ReadBlock(const Common::ProcessAddress src_addr, void* dest_buffer,
const std::size_t size) {
- impl->ReadBlock(src_addr, dest_buffer, size);
+ return impl->ReadBlock(src_addr, dest_buffer, size);
}
-void Memory::ReadBlockUnsafe(const Common::ProcessAddress src_addr, void* dest_buffer,
+bool Memory::ReadBlockUnsafe(const Common::ProcessAddress src_addr, void* dest_buffer,
const std::size_t size) {
- impl->ReadBlockUnsafe(src_addr, dest_buffer, size);
+ return impl->ReadBlockUnsafe(src_addr, dest_buffer, size);
}
const u8* Memory::GetSpan(const VAddr src_addr, const std::size_t size) const {
@@ -917,23 +916,23 @@ u8* Memory::GetSpan(const VAddr src_addr, const std::size_t size) {
return impl->GetSpan(src_addr, size);
}
-void Memory::WriteBlock(const Common::ProcessAddress dest_addr, const void* src_buffer,
+bool Memory::WriteBlock(const Common::ProcessAddress dest_addr, const void* src_buffer,
const std::size_t size) {
- impl->WriteBlock(dest_addr, src_buffer, size);
+ return impl->WriteBlock(dest_addr, src_buffer, size);
}
-void Memory::WriteBlockUnsafe(const Common::ProcessAddress dest_addr, const void* src_buffer,
+bool Memory::WriteBlockUnsafe(const Common::ProcessAddress dest_addr, const void* src_buffer,
const std::size_t size) {
- impl->WriteBlockUnsafe(dest_addr, src_buffer, size);
+ return impl->WriteBlockUnsafe(dest_addr, src_buffer, size);
}
-void Memory::CopyBlock(Common::ProcessAddress dest_addr, Common::ProcessAddress src_addr,
+bool Memory::CopyBlock(Common::ProcessAddress dest_addr, Common::ProcessAddress src_addr,
const std::size_t size) {
- impl->CopyBlock(*system.ApplicationProcess(), dest_addr, src_addr, size);
+ return impl->CopyBlock(dest_addr, src_addr, size);
}
-void Memory::ZeroBlock(Common::ProcessAddress dest_addr, const std::size_t size) {
- impl->ZeroBlock(*system.ApplicationProcess(), dest_addr, size);
+bool Memory::ZeroBlock(Common::ProcessAddress dest_addr, const std::size_t size) {
+ return impl->ZeroBlock(dest_addr, size);
}
void Memory::SetGPUDirtyManagers(std::span<Core::GPUDirtyMemoryManager> managers) {
@@ -941,15 +940,15 @@ void Memory::SetGPUDirtyManagers(std::span<Core::GPUDirtyMemoryManager> managers
}
Result Memory::InvalidateDataCache(Common::ProcessAddress dest_addr, const std::size_t size) {
- return impl->InvalidateDataCache(*system.ApplicationProcess(), dest_addr, size);
+ return impl->InvalidateDataCache(dest_addr, size);
}
Result Memory::StoreDataCache(Common::ProcessAddress dest_addr, const std::size_t size) {
- return impl->StoreDataCache(*system.ApplicationProcess(), dest_addr, size);
+ return impl->StoreDataCache(dest_addr, size);
}
Result Memory::FlushDataCache(Common::ProcessAddress dest_addr, const std::size_t size) {
- return impl->FlushDataCache(*system.ApplicationProcess(), dest_addr, size);
+ return impl->FlushDataCache(dest_addr, size);
}
void Memory::RasterizerMarkRegionCached(Common::ProcessAddress vaddr, u64 size, bool cached) {
diff --git a/src/core/memory.h b/src/core/memory.h
index ea33c769cf..2eb61ffd34 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -24,7 +24,6 @@ class GPUDirtyMemoryManager;
} // namespace Core
namespace Kernel {
-class PhysicalMemory;
class KProcess;
} // namespace Kernel
@@ -330,7 +329,7 @@ public:
* @post The range [dest_buffer, size) contains the read bytes from the
* current process' address space.
*/
- void ReadBlock(Common::ProcessAddress src_addr, void* dest_buffer, std::size_t size);
+ bool ReadBlock(Common::ProcessAddress src_addr, void* dest_buffer, std::size_t size);
/**
* Reads a contiguous block of bytes from the current process' address space.
@@ -349,7 +348,7 @@ public:
* @post The range [dest_buffer, size) contains the read bytes from the
* current process' address space.
*/
- void ReadBlockUnsafe(Common::ProcessAddress src_addr, void* dest_buffer, std::size_t size);
+ bool ReadBlockUnsafe(Common::ProcessAddress src_addr, void* dest_buffer, std::size_t size);
const u8* GetSpan(const VAddr src_addr, const std::size_t size) const;
u8* GetSpan(const VAddr src_addr, const std::size_t size);
@@ -373,7 +372,7 @@ public:
* and will mark that region as invalidated to caches that the active
* graphics backend may be maintaining over the course of execution.
*/
- void WriteBlock(Common::ProcessAddress dest_addr, const void* src_buffer, std::size_t size);
+ bool WriteBlock(Common::ProcessAddress dest_addr, const void* src_buffer, std::size_t size);
/**
* Writes a range of bytes into the current process' address space at the specified
@@ -391,7 +390,7 @@ public:
* will be ignored and an error will be logged.
*
*/
- void WriteBlockUnsafe(Common::ProcessAddress dest_addr, const void* src_buffer,
+ bool WriteBlockUnsafe(Common::ProcessAddress dest_addr, const void* src_buffer,
std::size_t size);
/**
@@ -405,7 +404,7 @@ public:
* @post The range [dest_addr, size) within the process' address space contains the
* same data within the range [src_addr, size).
*/
- void CopyBlock(Common::ProcessAddress dest_addr, Common::ProcessAddress src_addr,
+ bool CopyBlock(Common::ProcessAddress dest_addr, Common::ProcessAddress src_addr,
std::size_t size);
/**
@@ -418,7 +417,7 @@ public:
* @post The range [dest_addr, size) within the process' address space contains the
* value 0.
*/
- void ZeroBlock(Common::ProcessAddress dest_addr, std::size_t size);
+ bool ZeroBlock(Common::ProcessAddress dest_addr, std::size_t size);
/**
* Invalidates a range of bytes within the current process' address space at the specified