core: Rewrite thread local storage implementation (#118)
This commit is contained in:
parent
b94efcba5a
commit
1b9bf924ca
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@ -61,3 +61,6 @@
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[submodule "externals/boost"]
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path = externals/boost
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url = https://github.com/raphaelthegreat/ext-boost
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[submodule "externals/xbyak"]
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path = externals/xbyak
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url = https://github.com/herumi/xbyak
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@ -341,8 +341,8 @@ set(QT_GUI
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)
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endif()
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if(ENABLE_QT_GUI)
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qt_add_executable(shadps4
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if (ENABLE_QT_GUI)
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qt_add_executable(shadps4
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${AUDIO_CORE}
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${INPUT}
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${QT_GUI}
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@ -351,9 +351,9 @@ qt_add_executable(shadps4
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${VIDEO_CORE}
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src/sdl_window.h
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src/sdl_window.cpp
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)
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)
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else()
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add_executable(shadps4
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add_executable(shadps4
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${AUDIO_CORE}
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${INPUT}
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${COMMON}
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@ -362,25 +362,25 @@ add_executable(shadps4
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src/main.cpp
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src/sdl_window.h
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src/sdl_window.cpp
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)
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)
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endif()
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create_target_directory_groups(shadps4)
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target_link_libraries(shadps4 PRIVATE magic_enum::magic_enum fmt::fmt toml11::toml11 tsl::robin_map)
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target_link_libraries(shadps4 PRIVATE magic_enum::magic_enum fmt::fmt toml11::toml11 tsl::robin_map xbyak)
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target_link_libraries(shadps4 PRIVATE discord-rpc boost vma vulkan-headers xxhash Zydis SPIRV glslang SDL3-shared)
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if(NOT ENABLE_QT_GUI)
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if (NOT ENABLE_QT_GUI)
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target_link_libraries(shadps4 PRIVATE SDL3-shared)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND MSVC)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND MSVC)
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target_link_libraries(shadps4 PRIVATE cryptoppwin zlib)
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else()
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target_link_libraries(shadps4 PRIVATE cryptopp::cryptopp zlib)
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endif()
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if(ENABLE_QT_GUI)
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if (ENABLE_QT_GUI)
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target_link_libraries(shadps4 PRIVATE Qt6::Widgets Qt6::Concurrent)
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endif()
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@ -388,22 +388,24 @@ if (WIN32)
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target_link_libraries(shadps4 PRIVATE mincore winpthread clang_rt.builtins-x86_64.lib)
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add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS)
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add_definitions(-DNOMINMAX -DWIN32_LEAN_AND_MEAN)
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add_definitions(-D_TIMESPEC_DEFINED) #needed for conflicts with time.h of windows.h
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if (MSVC)
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# Needed for conflicts with time.h of windows.h
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add_definitions(-D_TIMESPEC_DEFINED)
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endif()
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# Target Windows 10 RS5
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add_definitions(-DNTDDI_VERSION=0x0A000006 -D_WIN32_WINNT=0x0A00 -DWINVER=0x0A00)
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endif()
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if(WIN32)
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if (WIN32)
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target_sources(shadps4 PRIVATE src/shadps4.rc)
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endif()
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target_include_directories(shadps4 PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
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if(ENABLE_QT_GUI)
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set_target_properties(shadps4 PROPERTIES
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if (ENABLE_QT_GUI)
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set_target_properties(shadps4 PROPERTIES
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WIN32_EXECUTABLE ON
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MACOSX_BUNDLE ON
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)
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MACOSX_BUNDLE ON)
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endif()
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add_custom_command(TARGET shadps4 POST_BUILD
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@ -62,4 +62,7 @@ set(ENABLE_OPT OFF CACHE BOOL "")
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add_subdirectory(glslang)
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# Robin-map
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add_subdirectory(robin-map)
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add_subdirectory(robin-map EXCLUDE_FROM_ALL)
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# Xbyak
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add_subdirectory(xbyak EXCLUDE_FROM_ALL)
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@ -0,0 +1 @@
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Subproject commit 80477f635345e8f13efc512d84b01b94cad92cd9
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@ -175,19 +175,6 @@ public:
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using std::chrono::microseconds;
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using std::chrono::steady_clock;
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if (Config::getLogType() == "async") {
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message_queue.EmplaceWait(Entry{
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.timestamp = duration_cast<microseconds>(steady_clock::now() - time_origin),
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.log_class = log_class,
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.log_level = log_level,
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.filename = filename,
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.line_num = line_num,
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.function = function,
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.message = std::move(message),
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});
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} else {
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const Entry entry = {
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.timestamp = duration_cast<microseconds>(steady_clock::now() - time_origin),
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.log_class = log_class,
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@ -197,6 +184,9 @@ public:
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.function = function,
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.message = std::move(message),
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};
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if (Config::getLogType() == "async") {
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message_queue.EmplaceWait(entry);
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} else {
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ForEachBackend([&entry](auto& backend) { backend.Write(entry); });
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}
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}
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@ -239,7 +229,7 @@ private:
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}
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void ForEachBackend(auto lambda) {
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lambda(debugger_backend);
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// lambda(debugger_backend);
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lambda(color_console_backend);
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lambda(file_backend);
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}
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@ -3,6 +3,7 @@
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#include <Zydis/Zydis.h>
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#include <common/assert.h>
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#include <xbyak/xbyak.h>
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#include "common/config.h"
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#include "common/logging/log.h"
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#include "common/path_util.h"
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@ -94,12 +95,17 @@ void Linker::LoadModuleToMemory(Module* m) {
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0x1000; // align base size to 0x1000 block size (TODO is that the default
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// block size or it can be changed?
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m->base_virtual_addr = VirtualMemory::memory_alloc(LoadAddress, m->aligned_base_size,
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static constexpr u64 TrampolineSize = 8_MB;
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m->base_virtual_addr =
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VirtualMemory::memory_alloc(LoadAddress, m->aligned_base_size + TrampolineSize,
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VirtualMemory::MemoryMode::ExecuteReadWrite);
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LoadAddress += CODE_BASE_INCR * (1 + m->aligned_base_size / CODE_BASE_INCR);
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LOG_INFO(Core_Linker, "====Load Module to Memory ========");
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void* trampoline_addr = reinterpret_cast<void*>(m->base_virtual_addr + m->aligned_base_size);
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Xbyak::CodeGenerator c(TrampolineSize, trampoline_addr);
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LOG_INFO(Core_Linker, "======== Load Module to Memory ========");
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LOG_INFO(Core_Linker, "base_virtual_addr ......: {:#018x}", m->base_virtual_addr);
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LOG_INFO(Core_Linker, "base_size ..............: {:#018x}", base_size);
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LOG_INFO(Core_Linker, "aligned_base_size ......: {:#018x}", m->aligned_base_size);
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@ -123,7 +129,7 @@ void Linker::LoadModuleToMemory(Module* m) {
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m->elf.LoadSegment(segment_addr, elf_pheader[i].p_offset, segment_file_size);
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if (elf_pheader[i].p_flags & PF_EXEC) {
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PatchTLS(segment_addr, segment_file_size);
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PatchTLS(segment_addr, segment_file_size, c);
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}
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} else {
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LOG_ERROR(Core_Linker, "p_memsz==0 in type {}",
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@ -153,8 +159,8 @@ void Linker::LoadModuleToMemory(Module* m) {
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case PT_TLS:
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m->tls.image_virtual_addr = elf_pheader[i].p_vaddr + m->base_virtual_addr;
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m->tls.image_size = GetAlignedSize(elf_pheader[i]);
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LOG_INFO(Core_Linker, "tls virtual address ={:#x}", m->tls.image_virtual_addr);
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LOG_INFO(Core_Linker, "tls image size ={}", m->tls.image_size);
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LOG_INFO(Core_Linker, "TLS virtual address = {:#x}", m->tls.image_virtual_addr);
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LOG_INFO(Core_Linker, "TLS image size = {}", m->tls.image_size);
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break;
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case PT_SCE_PROCPARAM:
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m->proc_param_virtual_addr = elf_pheader[i].p_vaddr + m->base_virtual_addr;
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@ -662,7 +668,7 @@ static void RunMainEntry(u64 addr, EntryParams* params, exit_func_t exit_func) {
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// there's no coming back
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:
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: "r"(addr), "r"(params), "r"(exit_func)
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: "rax", "rsi", "rdi", "rsp");
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: "rax", "rsi", "rdi");
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}
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void Linker::Execute() {
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@ -681,9 +687,13 @@ void Linker::Execute() {
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p.argv[0] = "eboot.bin"; // hmm should be ok?
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for (auto& m : m_modules) {
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if (!m->elf.IsSharedLib()) {
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RunMainEntry(m->elf.GetElfEntry() + m->base_virtual_addr, &p, ProgramExitFunc);
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if (m->elf.IsSharedLib()) {
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continue;
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}
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if (m->tls.image_virtual_addr != 0) {
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SetTLSStorage(m->tls.image_virtual_addr);
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}
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RunMainEntry(m->elf.GetElfEntry() + m->base_virtual_addr, &p, ProgramExitFunc);
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}
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}
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194
src/core/tls.cpp
194
src/core/tls.cpp
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@ -1,6 +1,7 @@
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// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <xbyak/xbyak.h>
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#include "common/assert.h"
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#include "common/types.h"
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#include "core/tls.h"
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@ -11,25 +12,18 @@
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namespace Core {
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thread_local u8 TLS[1024];
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struct TLSPattern {
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uint8_t pattern[5];
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uint8_t pattern_size;
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uint8_t imm_size;
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uint8_t target_reg;
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u8 pattern[5];
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u8 pattern_size;
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u8 imm_size;
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u8 target_reg;
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};
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constexpr static TLSPattern TlsPatterns[] = {
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{{0x64, 0x48, 0xA1},
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3,
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8,
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0}, // 64 48 A1 | 00 00 00 00 00 00 00 00 # mov rax, qword ptr fs:[64b imm]
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{{0x64, 0x48, 0x8B, 0x4, 0x25},
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5,
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4,
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0}, // 64 48 8B 04 25 | 00 00 00 00 # mov rax,qword ptr fs:[0]
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// 64 48 A1 | 00 00 00 00 00 00 00 00 # mov rax, qword ptr fs:[64b imm]
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{{0x64, 0x48, 0xA1}, 3, 8, 0},
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// 64 48 8B 04 25 | 00 00 00 00 # mov rax,qword ptr fs:[0]
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{{0x64, 0x48, 0x8B, 0x4, 0x25}, 5, 4, 0}, // rax
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{{0x64, 0x48, 0x8B, 0xC, 0x25}, 5, 4, 1}, // rcx
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{{0x64, 0x48, 0x8B, 0x14, 0x25}, 5, 4, 2}, // rdx
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{{0x64, 0x48, 0x8B, 0x1C, 0x25}, 5, 4, 3}, // rbx
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@ -47,103 +41,28 @@ constexpr static TLSPattern TlsPatterns[] = {
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{{0x64, 0x4C, 0x8B, 0x3C, 0x25}, 5, 4, 15}, // r15
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};
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uintptr_t GetGuestTls(s64 tls_offset) {
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if (tls_offset == 0) {
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return reinterpret_cast<uintptr_t>(TLS);
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}
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UNREACHABLE_MSG("Unimplemented offset info tls");
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#ifdef _WIN32
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static DWORD slot = 0;
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void SetTLSStorage(u64 image_address) {
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// Guest apps will use both positive and negative offsets to the TLS pointer.
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// User data at probably in negative offsets, while pthread data at positive offset.
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const BOOL result = TlsSetValue(slot, reinterpret_cast<LPVOID>(image_address));
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ASSERT(result != 0);
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}
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#ifdef _WIN64
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static LONG WINAPI ExceptionHandler(PEXCEPTION_POINTERS pExp) noexcept {
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auto orig_rip = pExp->ContextRecord->Rip;
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while (*(u8*)pExp->ContextRecord->Rip == 0x66) {
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pExp->ContextRecord->Rip++;
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}
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void PatchTLS(u64 segment_addr, u64 segment_size, Xbyak::CodeGenerator& c) {
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using namespace Xbyak::util;
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if (*(u8*)pExp->ContextRecord->Rip == 0xcd) {
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int reg = *(u8*)(pExp->ContextRecord->Rip + 1) - 0x80;
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int sizes = *(u8*)(pExp->ContextRecord->Rip + 2);
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int pattern_size = sizes & 0xF;
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int imm_size = sizes >> 4;
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int64_t tls_offset;
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if (imm_size == 4) {
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tls_offset = *(s32*)(pExp->ContextRecord->Rip + pattern_size);
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} else {
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tls_offset = *(s64*)(pExp->ContextRecord->Rip + pattern_size);
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}
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(&pExp->ContextRecord->Rax)[reg] = GetGuestTls(tls_offset); /* GetGuestTls */
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pExp->ContextRecord->Rip += pattern_size + imm_size;
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return EXCEPTION_CONTINUE_EXECUTION;
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}
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pExp->ContextRecord->Rip = orig_rip;
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const u32 ec = pExp->ExceptionRecord->ExceptionCode;
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switch (ec) {
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case EXCEPTION_ACCESS_VIOLATION: {
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LOG_CRITICAL(Core, "Exception EXCEPTION_ACCESS_VIOLATION ({:#x})", ec);
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const auto info = pExp->ExceptionRecord->ExceptionInformation;
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switch (info[0]) {
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case 0:
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LOG_CRITICAL(Core, "Read violation at address {:#x}", info[1]);
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break;
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case 1:
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LOG_CRITICAL(Core, "Write violation at address {:#x}", info[1]);
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break;
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case 8:
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LOG_CRITICAL(Core, "DEP violation at address {:#x}", info[1]);
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break;
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default:
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break;
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}
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break;
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}
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case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
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LOG_CRITICAL(Core, "Exception EXCEPTION_ARRAY_BOUNDS_EXCEEDED ({:#x})", ec);
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break;
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case EXCEPTION_DATATYPE_MISALIGNMENT:
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LOG_CRITICAL(Core, "Exception EXCEPTION_DATATYPE_MISALIGNMENT ({:#x})", ec);
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break;
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case EXCEPTION_FLT_DIVIDE_BY_ZERO:
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LOG_CRITICAL(Core, "Exception EXCEPTION_FLT_DIVIDE_BY_ZERO ({:#x})", ec);
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break;
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case EXCEPTION_ILLEGAL_INSTRUCTION:
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LOG_CRITICAL(Core, "Exception EXCEPTION_ILLEGAL_INSTRUCTION ({:#x})", ec);
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break;
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case EXCEPTION_IN_PAGE_ERROR:
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LOG_CRITICAL(Core, "Exception EXCEPTION_IN_PAGE_ERROR ({:#x})", ec);
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break;
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case EXCEPTION_INT_DIVIDE_BY_ZERO:
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LOG_CRITICAL(Core, "Exception EXCEPTION_INT_DIVIDE_BY_ZERO ({:#x})", ec);
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break;
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case EXCEPTION_PRIV_INSTRUCTION:
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LOG_CRITICAL(Core, "Exception EXCEPTION_PRIV_INSTRUCTION ({:#x})", ec);
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break;
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case EXCEPTION_STACK_OVERFLOW:
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LOG_CRITICAL(Core, "Exception EXCEPTION_STACK_OVERFLOW ({:#x})", ec);
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break;
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default:
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return EXCEPTION_CONTINUE_SEARCH;
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}
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return EXCEPTION_CONTINUE_SEARCH;
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}
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#endif
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void InstallTlsHandler() {
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#ifdef _WIN64
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if (!AddVectoredExceptionHandler(0, ExceptionHandler)) {
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LOG_CRITICAL(Core, "Failed to register an exception handler");
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}
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#endif
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}
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void PatchTLS(u64 segment_addr, u64 segment_size) {
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u8* code = reinterpret_cast<u8*>(segment_addr);
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auto remaining_size = segment_size;
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// Sometimes loads from the FS segment are prefixed with useless operand size prefix bytes like:
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// |66 66 66| 64 48 8b 04 25 00 # mov rax, qword ptr fs:[0x0]
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// These are probably ignored by the processor but when patching the instruction to a jump
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// they cause issues. So look for them and patch them to nop to avoid problems.
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static constexpr std::array<u8, 3> BadPrefix = {0x66, 0x66, 0x66};
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while (remaining_size) {
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for (const auto& tls_pattern : TlsPatterns) {
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const auto total_size = tls_pattern.pattern_size + tls_pattern.imm_size;
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@ -153,18 +72,55 @@ void PatchTLS(u64 segment_addr, u64 segment_size) {
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if (std::memcmp(code, tls_pattern.pattern, tls_pattern.pattern_size) != 0) {
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continue;
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}
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u64 offset = 0;
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if (tls_pattern.imm_size == 4) {
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std::memcpy(&offset, code + tls_pattern.pattern_size, sizeof(u32));
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LOG_INFO(Core_Linker, "PATTERN32 FOUND at {}, reg: {} offset: {:#x}",
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fmt::ptr(code), tls_pattern.target_reg,
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*(u32*)(code + tls_pattern.pattern_size));
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fmt::ptr(code), tls_pattern.target_reg, offset);
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} else {
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std::memcpy(&offset, code + tls_pattern.pattern_size, sizeof(u64));
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LOG_INFO(Core_Linker, "PATTERN64 FOUND at {}, reg: {} offset: {:#x}",
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fmt::ptr(code), tls_pattern.target_reg,
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*(u32*)(code + tls_pattern.pattern_size));
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fmt::ptr(code), tls_pattern.target_reg, offset);
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}
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code[0] = 0xcd;
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code[1] = 0x80 + tls_pattern.target_reg;
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code[2] = tls_pattern.pattern_size | (tls_pattern.imm_size << 4);
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ASSERT(offset == 0);
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// Allocate slot in the process if not done already.
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if (slot == 0) {
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slot = TlsAlloc();
|
||||
}
|
||||
|
||||
// Replace bogus instruction prefix with nops if it exists.
|
||||
if (std::memcmp(code - BadPrefix.size(), BadPrefix.data(), sizeof(BadPrefix)) == 0) {
|
||||
auto patch = Xbyak::CodeGenerator(BadPrefix.size(), code - BadPrefix.size());
|
||||
patch.nop(BadPrefix.size());
|
||||
}
|
||||
|
||||
// Replace mov instruction with near jump to the trampoline.
|
||||
static constexpr u32 NearJmpSize = 5;
|
||||
auto patch = Xbyak::CodeGenerator(total_size, code);
|
||||
patch.jmp(c.getCurr(), Xbyak::CodeGenerator::LabelType::T_NEAR);
|
||||
patch.nop(total_size - NearJmpSize);
|
||||
|
||||
// Write the trampoline.
|
||||
// The following logic is based on the wine implementation of TlsGetValue
|
||||
// https://github.com/wine-mirror/wine/blob/a27b9551/dlls/kernelbase/thread.c#L719
|
||||
static constexpr u32 TlsSlotsOffset = 0x1480;
|
||||
static constexpr u32 TlsExpansionSlotsOffset = 0x1780;
|
||||
static constexpr u32 TlsMinimumAvailable = 64;
|
||||
const u32 teb_offset =
|
||||
slot < TlsMinimumAvailable ? TlsSlotsOffset : TlsExpansionSlotsOffset;
|
||||
const u32 tls_index = slot < TlsMinimumAvailable ? slot : slot - TlsMinimumAvailable;
|
||||
|
||||
const auto target_reg = Xbyak::Reg64(tls_pattern.target_reg);
|
||||
c.mov(target_reg, teb_offset);
|
||||
c.putSeg(gs);
|
||||
c.mov(target_reg, ptr[target_reg]); // Load the pointer to the table of tls slots.
|
||||
c.mov(
|
||||
target_reg,
|
||||
qword[target_reg + tls_index * sizeof(LPVOID)]); // Load the pointer to our buffer.
|
||||
c.jmp(code + total_size); // Return to the instruction right after the mov.
|
||||
|
||||
// Move ahead in module.
|
||||
code += total_size - 1;
|
||||
remaining_size -= total_size - 1;
|
||||
break;
|
||||
|
@ -174,4 +130,16 @@ void PatchTLS(u64 segment_addr, u64 segment_size) {
|
|||
}
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
void SetTLSStorage(u64 image_address) {
|
||||
UNREACHABLE_MSG("Thread local storage is unimplemented on posix platforms!");
|
||||
}
|
||||
|
||||
void PatchTLS(u64 segment_addr, u64 segment_size, Xbyak::CodeGenerator& c) {
|
||||
UNREACHABLE_MSG("Thread local storage is unimplemented on posix platforms!");
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
} // namespace Core
|
||||
|
|
|
@ -5,12 +5,16 @@
|
|||
|
||||
#include "common/types.h"
|
||||
|
||||
namespace Xbyak {
|
||||
class CodeGenerator;
|
||||
}
|
||||
|
||||
namespace Core {
|
||||
|
||||
/// Installs a host exception handler to handle guest TLS access.
|
||||
void InstallTlsHandler();
|
||||
/// Sets the data pointer that contains the TLS image.
|
||||
void SetTLSStorage(u64 image_address);
|
||||
|
||||
/// Patches any instructions that access TLS to trigger the exception handler.
|
||||
void PatchTLS(u64 segment_addr, u64 segment_size);
|
||||
/// Patches any instructions that access guest TLS to use provided storage.
|
||||
void PatchTLS(u64 segment_addr, u64 segment_size, Xbyak::CodeGenerator& c);
|
||||
|
||||
} // namespace Core
|
||||
|
|
|
@ -50,7 +50,6 @@ int main(int argc, char* argv[]) {
|
|||
|
||||
auto linker = Common::Singleton<Core::Linker>::Instance();
|
||||
Libraries::InitHLELibs(&linker->getHLESymbols());
|
||||
Core::InstallTlsHandler();
|
||||
linker->LoadModule(path);
|
||||
|
||||
// Check if there is a libc.prx in sce_module folder
|
||||
|
|
|
@ -1,9 +1,11 @@
|
|||
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#include <limits>
|
||||
#include "common/assert.h"
|
||||
#include "common/config.h"
|
||||
#include "core/libraries/videoout/buffer.h"
|
||||
#include "core/virtual_memory.h"
|
||||
#include "video_core/renderer_vulkan/vk_scheduler.h"
|
||||
#include "video_core/texture_cache/texture_cache.h"
|
||||
#include "video_core/texture_cache/tile_manager.h"
|
||||
|
@ -15,7 +17,7 @@
|
|||
#define PAGE_NOACCESS PROT_NONE
|
||||
#define PAGE_READWRITE (PROT_READ | PROT_WRITE)
|
||||
#else
|
||||
#include <Windows.h>
|
||||
#include <windows.h>
|
||||
|
||||
void mprotect(void* addr, size_t len, int prot) {
|
||||
DWORD old_prot{};
|
||||
|
@ -57,6 +59,7 @@ LONG WINAPI GuestFaultSignalHandler(EXCEPTION_POINTERS* pExp) noexcept {
|
|||
#endif
|
||||
|
||||
static constexpr u64 StreamBufferSize = 128_MB;
|
||||
static constexpr u64 PageShift = 12;
|
||||
|
||||
TextureCache::TextureCache(const Vulkan::Instance& instance_, Vulkan::Scheduler& scheduler_)
|
||||
: instance{instance_}, scheduler{scheduler_},
|
||||
|
@ -76,7 +79,7 @@ TextureCache::TextureCache(const Vulkan::Instance& instance_, Vulkan::Scheduler&
|
|||
guest_access_fault.sa_mask = signal_mask;
|
||||
sigaction(SIGSEGV, &guest_access_fault, nullptr);
|
||||
#else
|
||||
veh_handle = AddVectoredExceptionHandler(1, GuestFaultSignalHandler);
|
||||
veh_handle = AddVectoredExceptionHandler(0, GuestFaultSignalHandler);
|
||||
ASSERT_MSG(veh_handle, "Failed to register an exception handler");
|
||||
#endif
|
||||
g_texture_cache = this;
|
||||
|
@ -243,8 +246,8 @@ void TextureCache::UntrackImage(Image& image, ImageId image_id) {
|
|||
}
|
||||
|
||||
void TextureCache::UpdatePagesCachedCount(VAddr addr, u64 size, s32 delta) {
|
||||
const u64 num_pages = ((addr + size - 1) >> PageBits) - (addr >> PageBits) + 1;
|
||||
const u64 page_start = addr >> PageBits;
|
||||
const u64 num_pages = ((addr + size - 1) >> PageShift) - (addr >> PageShift) + 1;
|
||||
const u64 page_start = addr >> PageShift;
|
||||
const u64 page_end = page_start + num_pages;
|
||||
|
||||
const auto pages_interval =
|
||||
|
@ -256,8 +259,8 @@ void TextureCache::UpdatePagesCachedCount(VAddr addr, u64 size, s32 delta) {
|
|||
const auto& range = cached_pages.equal_range(pages_interval);
|
||||
for (const auto& [range, count] : boost::make_iterator_range(range)) {
|
||||
const auto interval = range & pages_interval;
|
||||
const VAddr interval_start_addr = boost::icl::first(interval) << PageBits;
|
||||
const VAddr interval_end_addr = boost::icl::last_next(interval) << PageBits;
|
||||
const VAddr interval_start_addr = boost::icl::first(interval) << PageShift;
|
||||
const VAddr interval_end_addr = boost::icl::last_next(interval) << PageShift;
|
||||
const u32 interval_size = interval_end_addr - interval_start_addr;
|
||||
void* addr = reinterpret_cast<void*>(interval_start_addr);
|
||||
if (delta > 0 && count == delta) {
|
||||
|
|
|
@ -3,7 +3,6 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
#include <forward_list>
|
||||
#include <boost/container/small_vector.hpp>
|
||||
#include <boost/icl/interval_map.hpp>
|
||||
#include <tsl/robin_map.h>
|
||||
|
@ -19,7 +18,12 @@ struct BufferAttributeGroup;
|
|||
namespace VideoCore {
|
||||
|
||||
class TextureCache {
|
||||
static constexpr u64 PageBits = 14;
|
||||
// This is the page shift for adding images into the hash map. It isn't related to
|
||||
// the page size of the guest or the host and is chosen for convenience. A number too
|
||||
// small will increase the number of hash map lookups per image, while too large will
|
||||
// increase the number of images per page.
|
||||
static constexpr u64 PageBits = 20;
|
||||
static constexpr u64 PageMask = (1ULL << PageBits) - 1;
|
||||
|
||||
public:
|
||||
explicit TextureCache(const Vulkan::Instance& instance, Vulkan::Scheduler& scheduler);
|
||||
|
|
Loading…
Reference in New Issue