From 70cc4c0f46ed68a4d660aa9867b5b8de41b77549 Mon Sep 17 00:00:00 2001 From: yzct12345 <87620833+yzct12345@users.noreply.github.com> Date: Sat, 7 Aug 2021 01:32:06 +0000 Subject: [PATCH] memory: Dedup Read and Write and fix logging bugs --- src/core/memory.cpp | 256 +++++++++++++++++++++----------------------- 1 file changed, 121 insertions(+), 135 deletions(-) diff --git a/src/core/memory.cpp b/src/core/memory.cpp index 0b8e36b08..778d152dd 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -5,6 +5,10 @@ #include #include +#define BOOST_HANA_CONFIG_ENABLE_STRING_UDL +#include +#undef BOOST_HANA_CONFIG_ENABLE_STRING_UDL + #include "common/assert.h" #include "common/atomic_ops.h" #include "common/common_types.h" @@ -19,6 +23,8 @@ #include "core/memory.h" #include "video_core/gpu.h" +using namespace boost::hana::literals; + namespace Core::Memory { // Implementation class used to keep the specifics of the memory subsystem hidden @@ -68,18 +74,6 @@ struct Memory::Impl { return system.DeviceMemory().GetPointer(paddr) + vaddr; } - [[nodiscard]] u8* GetPointer(const VAddr vaddr) const { - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - return pointer + vaddr; - } - const auto type = Common::PageTable::PageInfo::ExtractType(raw_pointer); - if (type == Common::PageType::RasterizerCachedMemory) { - return GetPointerFromRasterizerCachedMemory(vaddr); - } - return nullptr; - } - u8 Read8(const VAddr addr) { return Read(addr); } @@ -452,6 +446,83 @@ struct Memory::Impl { } } + /** + * Returns a message like "Unmapped NameBits @ 0x{:016X}Suffix". + * + * @tparam NAME The caller name like "Read"_s or "Write"_s. + * @tparam BYTES The number of bits written. 0 is for read and sizeof(T) is for write. + * @tparam SUFFIX A suffix. ""_s is for read and " = 0x{:016X}" is for write. + */ + template + static consteval const char* GetPointerImplError() { + constexpr auto unmapped_fmt = ([]() { + constexpr auto prefix = "Unmapped "_s + NAME; + constexpr auto suffix = " @ 0x{:016X}"_s + SUFFIX; + const char* result = nullptr; + switch (BYTES * 8) { + case 0: + result = (prefix + suffix).c_str(); + break; +#define BITS_CASE(x) \ + case x: \ + result = (prefix + BOOST_HANA_STRING(#x) + suffix).c_str(); \ + break; + BITS_CASE(8) + BITS_CASE(16) + BITS_CASE(32) + BITS_CASE(64) + BITS_CASE(128) +#undef BITS_CASE + default: + break; + } + return result; + })(); + static_assert(unmapped_fmt); + return unmapped_fmt; + } + + [[nodiscard]] u8* GetPointerImpl(VAddr vaddr, auto on_unmapped, auto on_rasterizer) const { + // AARCH64 masks the upper 16 bit of all memory accesses + vaddr &= 0xffffffffffffLL; + + if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { + on_unmapped(); + return nullptr; + } + + // Avoid adding any extra logic to this fast-path block + const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); + if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { + return &pointer[vaddr]; + } + switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { + case Common::PageType::Unmapped: + on_unmapped(); + return nullptr; + case Common::PageType::Memory: + ASSERT_MSG(false, "Mapped memory page without a pointer @ 0x{:016X}", vaddr); + return nullptr; + case Common::PageType::RasterizerCachedMemory: { + u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; + on_rasterizer(); + return host_ptr; + } + default: + UNREACHABLE(); + } + return nullptr; + } + + [[nodiscard]] u8* GetPointer(const VAddr vaddr) const { + return GetPointerImpl( + vaddr, + [vaddr]() { + LOG_ERROR(HW_Memory, GetPointerImplError<"GetPointer"_s, 0, ""_s>(), vaddr); + }, + []() {}); + } + /** * Reads a particular data type out of memory at the given virtual address. * @@ -465,39 +536,17 @@ struct Memory::Impl { */ template T Read(VAddr vaddr) { - // AARCH64 masks the upper 16 bit of all memory accesses - vaddr &= 0xffffffffffffLL; - - if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr); - return 0; + T result = 0; + const u8* const ptr = GetPointerImpl( + vaddr, + [vaddr]() { + LOG_ERROR(HW_Memory, GetPointerImplError<"Read"_s, sizeof(T), ""_s>(), vaddr); + }, + [&system = system, vaddr]() { system.GPU().FlushRegion(vaddr, sizeof(T)); }); + if (ptr) { + std::memcpy(&result, ptr, sizeof(T)); } - - // Avoid adding any extra logic to this fast-path block - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (const u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - T value; - std::memcpy(&value, &pointer[vaddr], sizeof(T)); - return value; - } - switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { - case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr); - return 0; - case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; - case Common::PageType::RasterizerCachedMemory: { - const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().FlushRegion(vaddr, sizeof(T)); - T value; - std::memcpy(&value, host_ptr, sizeof(T)); - return value; - } - default: - UNREACHABLE(); - } - return {}; + return result; } /** @@ -511,110 +560,47 @@ struct Memory::Impl { */ template void Write(VAddr vaddr, const T data) { - // AARCH64 masks the upper 16 bit of all memory accesses - vaddr &= 0xffffffffffffLL; - - if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast(data), vaddr); - return; - } - - // Avoid adding any extra logic to this fast-path block - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - std::memcpy(&pointer[vaddr], &data, sizeof(T)); - return; - } - switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { - case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast(data), vaddr); - return; - case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; - case Common::PageType::RasterizerCachedMemory: { - u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().InvalidateRegion(vaddr, sizeof(T)); - std::memcpy(host_ptr, &data, sizeof(T)); - break; - } - default: - UNREACHABLE(); + u8* const ptr = GetPointerImpl( + vaddr, + [vaddr, data]() { + LOG_ERROR(HW_Memory, GetPointerImplError<"Write"_s, sizeof(T), " = 0x{:016X}"_s>(), + vaddr, static_cast(data)); + }, + [&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(T)); }); + if (ptr) { + std::memcpy(ptr, &data, sizeof(T)); } } template bool WriteExclusive(VAddr vaddr, const T data, const T expected) { - // AARCH64 masks the upper 16 bit of all memory accesses - vaddr &= 0xffffffffffffLL; - - if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast(data), vaddr); - return true; - } - - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - // NOTE: Avoid adding any extra logic to this fast-path block - const auto volatile_pointer = reinterpret_cast(&pointer[vaddr]); + u8* const ptr = GetPointerImpl( + vaddr, + [vaddr, data]() { + LOG_ERROR(HW_Memory, GetPointerImplError<"Write"_s, sizeof(T), " = 0x{:016X}"_s>(), + vaddr, static_cast(data)); + }, + [&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(T)); }); + if (ptr) { + const auto volatile_pointer = reinterpret_cast(ptr); return Common::AtomicCompareAndSwap(volatile_pointer, data, expected); } - switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { - case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast(data), vaddr); - return true; - case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; - case Common::PageType::RasterizerCachedMemory: { - u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().InvalidateRegion(vaddr, sizeof(T)); - auto* pointer = reinterpret_cast(&host_ptr); - return Common::AtomicCompareAndSwap(pointer, data, expected); - } - default: - UNREACHABLE(); - } return true; } bool WriteExclusive128(VAddr vaddr, const u128 data, const u128 expected) { - // AARCH64 masks the upper 16 bit of all memory accesses - vaddr &= 0xffffffffffffLL; - - if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast(data[0]), vaddr); - return true; - } - - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - // NOTE: Avoid adding any extra logic to this fast-path block - const auto volatile_pointer = reinterpret_cast(&pointer[vaddr]); + u8* const ptr = GetPointerImpl( + vaddr, + [vaddr, data]() { + LOG_ERROR(HW_Memory, + GetPointerImplError<"Write"_s, sizeof(u128), " = 0x{:016X}{:016X}"_s>(), + vaddr, static_cast(data[1]), static_cast(data[0])); + }, + [&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(u128)); }); + if (ptr) { + const auto volatile_pointer = reinterpret_cast(ptr); return Common::AtomicCompareAndSwap(volatile_pointer, data, expected); } - switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { - case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}{:016X}", sizeof(data) * 8, - static_cast(data[1]), static_cast(data[0]), vaddr); - return true; - case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; - case Common::PageType::RasterizerCachedMemory: { - u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().InvalidateRegion(vaddr, sizeof(u128)); - auto* pointer = reinterpret_cast(&host_ptr); - return Common::AtomicCompareAndSwap(pointer, data, expected); - } - default: - UNREACHABLE(); - } return true; }