mirror of
https://github.com/citra-emu/citra.git
synced 2024-11-14 23:10:05 +00:00
Merge pull request #4373 from FearlessTobi/port-1553
Port yuzu-emu/yuzu#1553: "common: Remove memory_util.h/.cpp"
This commit is contained in:
Weiyi Wang
GitHub
commit
724b458a83
@ -179,9 +179,6 @@ add_definitions(-DSINGLETHREADED)
|
||||
set_property(DIRECTORY APPEND PROPERTY
|
||||
COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG> $<$<NOT:$<CONFIG:Debug>>:NDEBUG>)
|
||||
|
||||
math(EXPR EMU_ARCH_BITS ${CMAKE_SIZEOF_VOID_P}*8)
|
||||
add_definitions(-DEMU_ARCH_BITS=${EMU_ARCH_BITS})
|
||||
|
||||
# System imported libraries
|
||||
# ======================
|
||||
|
||||
|
||||
@ -65,8 +65,6 @@ add_library(common STATIC
|
||||
logging/text_formatter.cpp
|
||||
logging/text_formatter.h
|
||||
math_util.h
|
||||
memory_util.cpp
|
||||
memory_util.h
|
||||
microprofile.cpp
|
||||
microprofile.h
|
||||
microprofileui.h
|
||||
|
||||
@ -1,178 +0,0 @@
|
||||
// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <fmt/format.h>
|
||||
#include "common/logging/log.h"
|
||||
#include "common/memory_util.h"
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <windows.h>
|
||||
// Windows.h needs to be included before psapi.h
|
||||
#include <psapi.h>
|
||||
#include "common/common_funcs.h"
|
||||
#include "common/string_util.h"
|
||||
#else
|
||||
#include <cstdlib>
|
||||
#include <sys/mman.h>
|
||||
#endif
|
||||
|
||||
#if !defined(_WIN32) && defined(ARCHITECTURE_x86_64) && !defined(MAP_32BIT)
|
||||
#include <unistd.h>
|
||||
#define PAGE_MASK (getpagesize() - 1)
|
||||
#define round_page(x) ((((unsigned long)(x)) + PAGE_MASK) & ~(PAGE_MASK))
|
||||
#endif
|
||||
|
||||
// This is purposely not a full wrapper for virtualalloc/mmap, but it
|
||||
// provides exactly the primitive operations that Dolphin needs.
|
||||
|
||||
void* AllocateExecutableMemory(std::size_t size, bool low) {
|
||||
#if defined(_WIN32)
|
||||
void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
|
||||
#else
|
||||
static char* map_hint = nullptr;
|
||||
#if defined(ARCHITECTURE_x86_64) && !defined(MAP_32BIT)
|
||||
// This OS has no flag to enforce allocation below the 4 GB boundary,
|
||||
// but if we hint that we want a low address it is very likely we will
|
||||
// get one.
|
||||
// An older version of this code used MAP_FIXED, but that has the side
|
||||
// effect of discarding already mapped pages that happen to be in the
|
||||
// requested virtual memory range (such as the emulated RAM, sometimes).
|
||||
if (low && (!map_hint))
|
||||
map_hint = (char*)round_page(512 * 1024 * 1024); /* 0.5 GB rounded up to the next page */
|
||||
#endif
|
||||
void* ptr = mmap(map_hint, size, PROT_READ | PROT_WRITE | PROT_EXEC,
|
||||
MAP_ANON | MAP_PRIVATE
|
||||
#if defined(ARCHITECTURE_x86_64) && defined(MAP_32BIT)
|
||||
| (low ? MAP_32BIT : 0)
|
||||
#endif
|
||||
,
|
||||
-1, 0);
|
||||
#endif /* defined(_WIN32) */
|
||||
|
||||
#ifdef _WIN32
|
||||
if (ptr == nullptr) {
|
||||
#else
|
||||
if (ptr == MAP_FAILED) {
|
||||
ptr = nullptr;
|
||||
#endif
|
||||
LOG_ERROR(Common_Memory, "Failed to allocate executable memory");
|
||||
}
|
||||
#if !defined(_WIN32) && defined(ARCHITECTURE_x86_64) && !defined(MAP_32BIT)
|
||||
else {
|
||||
if (low) {
|
||||
map_hint += size;
|
||||
map_hint = (char*)round_page(map_hint); /* round up to the next page */
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if EMU_ARCH_BITS == 64
|
||||
if ((u64)ptr >= 0x80000000 && low == true)
|
||||
LOG_ERROR(Common_Memory, "Executable memory ended up above 2GB!");
|
||||
#endif
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void* AllocateMemoryPages(std::size_t size) {
|
||||
#ifdef _WIN32
|
||||
void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE);
|
||||
#else
|
||||
void* ptr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
|
||||
|
||||
if (ptr == MAP_FAILED)
|
||||
ptr = nullptr;
|
||||
#endif
|
||||
|
||||
if (ptr == nullptr)
|
||||
LOG_ERROR(Common_Memory, "Failed to allocate raw memory");
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void* AllocateAlignedMemory(std::size_t size, std::size_t alignment) {
|
||||
#ifdef _WIN32
|
||||
void* ptr = _aligned_malloc(size, alignment);
|
||||
#else
|
||||
void* ptr = nullptr;
|
||||
#ifdef ANDROID
|
||||
ptr = memalign(alignment, size);
|
||||
#else
|
||||
if (posix_memalign(&ptr, alignment, size) != 0)
|
||||
LOG_ERROR(Common_Memory, "Failed to allocate aligned memory");
|
||||
#endif
|
||||
#endif
|
||||
|
||||
if (ptr == nullptr)
|
||||
LOG_ERROR(Common_Memory, "Failed to allocate aligned memory");
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void FreeMemoryPages(void* ptr, std::size_t size) {
|
||||
if (ptr) {
|
||||
#ifdef _WIN32
|
||||
if (!VirtualFree(ptr, 0, MEM_RELEASE))
|
||||
LOG_ERROR(Common_Memory, "FreeMemoryPages failed!\n{}", GetLastErrorMsg());
|
||||
#else
|
||||
munmap(ptr, size);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
void FreeAlignedMemory(void* ptr) {
|
||||
if (ptr) {
|
||||
#ifdef _WIN32
|
||||
_aligned_free(ptr);
|
||||
#else
|
||||
free(ptr);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
void WriteProtectMemory(void* ptr, std::size_t size, bool allowExecute) {
|
||||
#ifdef _WIN32
|
||||
DWORD oldValue;
|
||||
if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue))
|
||||
LOG_ERROR(Common_Memory, "WriteProtectMemory failed!\n{}", GetLastErrorMsg());
|
||||
#else
|
||||
mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_EXEC) : PROT_READ);
|
||||
#endif
|
||||
}
|
||||
|
||||
void UnWriteProtectMemory(void* ptr, std::size_t size, bool allowExecute) {
|
||||
#ifdef _WIN32
|
||||
DWORD oldValue;
|
||||
if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE,
|
||||
&oldValue))
|
||||
LOG_ERROR(Common_Memory, "UnWriteProtectMemory failed!\n{}", GetLastErrorMsg());
|
||||
#else
|
||||
mprotect(ptr, size,
|
||||
allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ);
|
||||
#endif
|
||||
}
|
||||
|
||||
std::string MemUsage() {
|
||||
#ifdef _WIN32
|
||||
#pragma comment(lib, "psapi")
|
||||
DWORD processID = GetCurrentProcessId();
|
||||
HANDLE hProcess;
|
||||
PROCESS_MEMORY_COUNTERS pmc;
|
||||
std::string Ret;
|
||||
|
||||
// Print information about the memory usage of the process.
|
||||
|
||||
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processID);
|
||||
if (nullptr == hProcess)
|
||||
return "MemUsage Error";
|
||||
|
||||
if (GetProcessMemoryInfo(hProcess, &pmc, sizeof(pmc)))
|
||||
Ret = fmt::format("{} K", Common::ThousandSeparate(pmc.WorkingSetSize / 1024, 7));
|
||||
|
||||
CloseHandle(hProcess);
|
||||
return Ret;
|
||||
#else
|
||||
return "";
|
||||
#endif
|
||||
}
|
||||
@ -1,21 +0,0 @@
|
||||
// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <cstddef>
|
||||
#include <string>
|
||||
|
||||
void* AllocateExecutableMemory(std::size_t size, bool low = true);
|
||||
void* AllocateMemoryPages(std::size_t size);
|
||||
void FreeMemoryPages(void* ptr, std::size_t size);
|
||||
void* AllocateAlignedMemory(std::size_t size, std::size_t alignment);
|
||||
void FreeAlignedMemory(void* ptr);
|
||||
void WriteProtectMemory(void* ptr, std::size_t size, bool executable = false);
|
||||
void UnWriteProtectMemory(void* ptr, std::size_t size, bool allowExecute = false);
|
||||
std::string MemUsage();
|
||||
|
||||
inline int GetPageSize() {
|
||||
return 4096;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user