mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-06-13 00:58:29 +02:00
set svn:eol-style=native for **.cpp
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1442 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
bushing
@ -1,233 +1,233 @@
|
||||
// Copyright (C) 2003-2008 Dolphin Project.
|
||||
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, version 2.0.
|
||||
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License 2.0 for more details.
|
||||
|
||||
// A copy of the GPL 2.0 should have been included with the program.
|
||||
// If not, see http://www.gnu.org/licenses/
|
||||
|
||||
// Official SVN repository and contact information can be found at
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <windows.h>
|
||||
#else
|
||||
#include <unistd.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#endif
|
||||
|
||||
#include "Common.h"
|
||||
#include "MappedFile.h"
|
||||
|
||||
namespace Common
|
||||
{
|
||||
class CMappedFile
|
||||
: public IMappedFile
|
||||
{
|
||||
public:
|
||||
|
||||
CMappedFile(void);
|
||||
~CMappedFile(void);
|
||||
bool Open(const char* _szFilename);
|
||||
bool IsOpen(void);
|
||||
void Close(void);
|
||||
u64 GetSize(void);
|
||||
u8* Lock(u64 _offset, u64 _size);
|
||||
void Unlock(u8* ptr);
|
||||
|
||||
|
||||
private:
|
||||
|
||||
u64 size;
|
||||
|
||||
typedef std::map<u8*, u8*>Lockmap;
|
||||
Lockmap lockMap;
|
||||
#ifdef _WIN32
|
||||
HANDLE hFile;
|
||||
HANDLE hFileMapping;
|
||||
#elif POSIX
|
||||
int fd;
|
||||
typedef std::map<u8*, size_t>Sizemap;
|
||||
Sizemap sizeMap;
|
||||
#endif
|
||||
|
||||
int granularity;
|
||||
};
|
||||
|
||||
|
||||
CMappedFile::CMappedFile()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
hFile = INVALID_HANDLE_VALUE;
|
||||
SYSTEM_INFO info;
|
||||
GetSystemInfo(&info);
|
||||
granularity = (int)info.dwAllocationGranularity;
|
||||
#elif POSIX
|
||||
fd = -1;
|
||||
granularity = getpagesize(); //sysconf(_SC_PAGE_SIZE);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
CMappedFile::~CMappedFile()
|
||||
{
|
||||
Close();
|
||||
}
|
||||
|
||||
|
||||
bool CMappedFile::Open(const char* filename)
|
||||
{
|
||||
Close();
|
||||
#ifdef _WIN32
|
||||
hFile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
||||
|
||||
if (hFile == INVALID_HANDLE_VALUE)
|
||||
{
|
||||
return(false);
|
||||
}
|
||||
|
||||
hFileMapping = CreateFileMapping(hFile, 0, PAGE_READONLY, 0, 0, NULL);
|
||||
|
||||
if (hFileMapping == NULL)
|
||||
{
|
||||
CloseHandle(hFile);
|
||||
hFile = 0;
|
||||
return(false);
|
||||
}
|
||||
|
||||
u32 high = 0;
|
||||
u32 low = GetFileSize(hFile, (LPDWORD)&high);
|
||||
size = (u64)low | ((u64)high << 32);
|
||||
#elif POSIX
|
||||
fd = open(filename, O_RDONLY);
|
||||
size = lseek(fd, 0, SEEK_END);
|
||||
lseek(fd, 0, SEEK_SET);
|
||||
#endif
|
||||
|
||||
return(true);
|
||||
}
|
||||
|
||||
|
||||
bool CMappedFile::IsOpen()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
return(hFile != INVALID_HANDLE_VALUE);
|
||||
|
||||
#elif POSIX
|
||||
return(fd != -1);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
|
||||
u64 CMappedFile::GetSize()
|
||||
{
|
||||
return(size);
|
||||
}
|
||||
|
||||
|
||||
void CMappedFile::Close()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
if (hFile != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
CloseHandle(hFileMapping);
|
||||
CloseHandle(hFile);
|
||||
lockMap.clear();
|
||||
hFile = INVALID_HANDLE_VALUE;
|
||||
}
|
||||
|
||||
#elif POSIX
|
||||
if (fd != -1)
|
||||
{
|
||||
lockMap.clear();
|
||||
sizeMap.clear();
|
||||
close(fd);
|
||||
}
|
||||
|
||||
fd = -1;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
u8* CMappedFile::Lock(u64 offset, u64 _size)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
if (hFile != INVALID_HANDLE_VALUE)
|
||||
#elif POSIX
|
||||
if (fd != -1)
|
||||
#endif
|
||||
{
|
||||
u64 realOffset = offset & ~(granularity - 1);
|
||||
s64 difference = offset - realOffset;
|
||||
u64 fake_size = (difference + _size + granularity - 1) & ~(granularity - 1);
|
||||
#ifdef _WIN32
|
||||
u8* realPtr = (u8*)MapViewOfFile(hFileMapping, FILE_MAP_READ, (DWORD)(realOffset >> 32), (DWORD)realOffset, (SIZE_T)(_size));
|
||||
|
||||
if (realPtr == NULL)
|
||||
{
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
#elif POSIX
|
||||
// TODO
|
||||
u8* realPtr = (u8*)mmap(0, fake_size, PROT_READ, MAP_PRIVATE, fd, (off_t)realOffset);
|
||||
|
||||
if (!realPtr)
|
||||
{
|
||||
PanicAlert("Map Failed");
|
||||
exit(0);
|
||||
}
|
||||
#endif
|
||||
|
||||
u8* fakePtr = realPtr + difference;
|
||||
//add to map
|
||||
lockMap[fakePtr] = realPtr;
|
||||
#ifndef _WIN32
|
||||
sizeMap[fakePtr] = _size + difference;
|
||||
#endif
|
||||
return(fakePtr);
|
||||
}
|
||||
else
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void CMappedFile::Unlock(u8* ptr)
|
||||
{
|
||||
if (ptr != 0)
|
||||
{
|
||||
Lockmap::iterator iter = lockMap.find(ptr);
|
||||
|
||||
if (iter != lockMap.end())
|
||||
{
|
||||
#ifdef _WIN32
|
||||
UnmapViewOfFile((*iter).second);
|
||||
#else
|
||||
munmap((*iter).second, sizeMap[ptr]);
|
||||
#endif
|
||||
lockMap.erase(iter);
|
||||
}
|
||||
else
|
||||
{
|
||||
PanicAlert("CMappedFile : Unlock failed");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
IMappedFile* IMappedFile::CreateMappedFileDEPRECATED(void)
|
||||
{
|
||||
return(new CMappedFile);
|
||||
}
|
||||
} // end of namespace Common
|
||||
// Copyright (C) 2003-2008 Dolphin Project.
|
||||
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, version 2.0.
|
||||
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License 2.0 for more details.
|
||||
|
||||
// A copy of the GPL 2.0 should have been included with the program.
|
||||
// If not, see http://www.gnu.org/licenses/
|
||||
|
||||
// Official SVN repository and contact information can be found at
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <windows.h>
|
||||
#else
|
||||
#include <unistd.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#endif
|
||||
|
||||
#include "Common.h"
|
||||
#include "MappedFile.h"
|
||||
|
||||
namespace Common
|
||||
{
|
||||
class CMappedFile
|
||||
: public IMappedFile
|
||||
{
|
||||
public:
|
||||
|
||||
CMappedFile(void);
|
||||
~CMappedFile(void);
|
||||
bool Open(const char* _szFilename);
|
||||
bool IsOpen(void);
|
||||
void Close(void);
|
||||
u64 GetSize(void);
|
||||
u8* Lock(u64 _offset, u64 _size);
|
||||
void Unlock(u8* ptr);
|
||||
|
||||
|
||||
private:
|
||||
|
||||
u64 size;
|
||||
|
||||
typedef std::map<u8*, u8*>Lockmap;
|
||||
Lockmap lockMap;
|
||||
#ifdef _WIN32
|
||||
HANDLE hFile;
|
||||
HANDLE hFileMapping;
|
||||
#elif POSIX
|
||||
int fd;
|
||||
typedef std::map<u8*, size_t>Sizemap;
|
||||
Sizemap sizeMap;
|
||||
#endif
|
||||
|
||||
int granularity;
|
||||
};
|
||||
|
||||
|
||||
CMappedFile::CMappedFile()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
hFile = INVALID_HANDLE_VALUE;
|
||||
SYSTEM_INFO info;
|
||||
GetSystemInfo(&info);
|
||||
granularity = (int)info.dwAllocationGranularity;
|
||||
#elif POSIX
|
||||
fd = -1;
|
||||
granularity = getpagesize(); //sysconf(_SC_PAGE_SIZE);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
CMappedFile::~CMappedFile()
|
||||
{
|
||||
Close();
|
||||
}
|
||||
|
||||
|
||||
bool CMappedFile::Open(const char* filename)
|
||||
{
|
||||
Close();
|
||||
#ifdef _WIN32
|
||||
hFile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
|
||||
|
||||
if (hFile == INVALID_HANDLE_VALUE)
|
||||
{
|
||||
return(false);
|
||||
}
|
||||
|
||||
hFileMapping = CreateFileMapping(hFile, 0, PAGE_READONLY, 0, 0, NULL);
|
||||
|
||||
if (hFileMapping == NULL)
|
||||
{
|
||||
CloseHandle(hFile);
|
||||
hFile = 0;
|
||||
return(false);
|
||||
}
|
||||
|
||||
u32 high = 0;
|
||||
u32 low = GetFileSize(hFile, (LPDWORD)&high);
|
||||
size = (u64)low | ((u64)high << 32);
|
||||
#elif POSIX
|
||||
fd = open(filename, O_RDONLY);
|
||||
size = lseek(fd, 0, SEEK_END);
|
||||
lseek(fd, 0, SEEK_SET);
|
||||
#endif
|
||||
|
||||
return(true);
|
||||
}
|
||||
|
||||
|
||||
bool CMappedFile::IsOpen()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
return(hFile != INVALID_HANDLE_VALUE);
|
||||
|
||||
#elif POSIX
|
||||
return(fd != -1);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
|
||||
u64 CMappedFile::GetSize()
|
||||
{
|
||||
return(size);
|
||||
}
|
||||
|
||||
|
||||
void CMappedFile::Close()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
if (hFile != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
CloseHandle(hFileMapping);
|
||||
CloseHandle(hFile);
|
||||
lockMap.clear();
|
||||
hFile = INVALID_HANDLE_VALUE;
|
||||
}
|
||||
|
||||
#elif POSIX
|
||||
if (fd != -1)
|
||||
{
|
||||
lockMap.clear();
|
||||
sizeMap.clear();
|
||||
close(fd);
|
||||
}
|
||||
|
||||
fd = -1;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
u8* CMappedFile::Lock(u64 offset, u64 _size)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
if (hFile != INVALID_HANDLE_VALUE)
|
||||
#elif POSIX
|
||||
if (fd != -1)
|
||||
#endif
|
||||
{
|
||||
u64 realOffset = offset & ~(granularity - 1);
|
||||
s64 difference = offset - realOffset;
|
||||
u64 fake_size = (difference + _size + granularity - 1) & ~(granularity - 1);
|
||||
#ifdef _WIN32
|
||||
u8* realPtr = (u8*)MapViewOfFile(hFileMapping, FILE_MAP_READ, (DWORD)(realOffset >> 32), (DWORD)realOffset, (SIZE_T)(_size));
|
||||
|
||||
if (realPtr == NULL)
|
||||
{
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
#elif POSIX
|
||||
// TODO
|
||||
u8* realPtr = (u8*)mmap(0, fake_size, PROT_READ, MAP_PRIVATE, fd, (off_t)realOffset);
|
||||
|
||||
if (!realPtr)
|
||||
{
|
||||
PanicAlert("Map Failed");
|
||||
exit(0);
|
||||
}
|
||||
#endif
|
||||
|
||||
u8* fakePtr = realPtr + difference;
|
||||
//add to map
|
||||
lockMap[fakePtr] = realPtr;
|
||||
#ifndef _WIN32
|
||||
sizeMap[fakePtr] = _size + difference;
|
||||
#endif
|
||||
return(fakePtr);
|
||||
}
|
||||
else
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void CMappedFile::Unlock(u8* ptr)
|
||||
{
|
||||
if (ptr != 0)
|
||||
{
|
||||
Lockmap::iterator iter = lockMap.find(ptr);
|
||||
|
||||
if (iter != lockMap.end())
|
||||
{
|
||||
#ifdef _WIN32
|
||||
UnmapViewOfFile((*iter).second);
|
||||
#else
|
||||
munmap((*iter).second, sizeMap[ptr]);
|
||||
#endif
|
||||
lockMap.erase(iter);
|
||||
}
|
||||
else
|
||||
{
|
||||
PanicAlert("CMappedFile : Unlock failed");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
IMappedFile* IMappedFile::CreateMappedFileDEPRECATED(void)
|
||||
{
|
||||
return(new CMappedFile);
|
||||
}
|
||||
} // end of namespace Common
|
||||
|
||||
Reference in New Issue
Block a user