Common: Remove dead platform #ifdefs to make the code more readable.
Symbian, Xbox, Blackberry and iOS got removed. FreeBSD and Android kept due to them potentially being able to run Citra in the future. The iOS specific part also got removed from PPSSPP in order to fix a bug there.
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@ -154,16 +154,10 @@ enum EMUSTATE_CHANGE
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#ifdef _MSC_VER
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#ifndef _XBOX
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inline unsigned long long bswap64(unsigned long long x) { return _byteswap_uint64(x); }
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inline unsigned int bswap32(unsigned int x) { return _byteswap_ulong(x); }
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inline unsigned short bswap16(unsigned short x) { return _byteswap_ushort(x); }
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#else
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inline unsigned long long bswap64(unsigned long long x) { return __loaddoublewordbytereverse(0, &x); }
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inline unsigned int bswap32(unsigned int x) { return __loadwordbytereverse(0, &x); }
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inline unsigned short bswap16(unsigned short x) { return __loadshortbytereverse(0, &x); }
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#endif
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#else
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// TODO: speedup
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inline unsigned short bswap16(unsigned short x) { return (x << 8) | (x >> 8); }
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inline unsigned int bswap32(unsigned int x) { return (x >> 24) | ((x & 0xFF0000) >> 8) | ((x & 0xFF00) << 8) | (x << 24);}
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@ -29,10 +29,6 @@
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#endif
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#endif
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#ifdef IOS
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void* globalbase = nullptr;
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#endif
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#ifdef ANDROID
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// Hopefully this ABI will never change...
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@ -95,7 +91,7 @@ int ashmem_unpin_region(int fd, size_t offset, size_t len)
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#endif // Android
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#if defined(_WIN32) && !defined(_XBOX)
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#if defined(_WIN32)
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SYSTEM_INFO sysInfo;
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#endif
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@ -103,11 +99,7 @@ SYSTEM_INFO sysInfo;
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// Windows mappings need to be on 64K boundaries, due to Alpha legacy.
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#ifdef _WIN32
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size_t roundup(size_t x) {
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#ifndef _XBOX
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int gran = sysInfo.dwAllocationGranularity ? sysInfo.dwAllocationGranularity : 0x10000;
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#else
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int gran = 0x10000; // 64k in 360
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#endif
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return (x + gran - 1) & ~(gran - 1);
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}
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#else
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@ -120,10 +112,8 @@ size_t roundup(size_t x) {
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void MemArena::GrabLowMemSpace(size_t size)
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{
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#ifdef _WIN32
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#ifndef _XBOX
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hMemoryMapping = CreateFileMapping(INVALID_HANDLE_VALUE, nullptr, PAGE_READWRITE, 0, (DWORD)(size), nullptr);
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GetSystemInfo(&sysInfo);
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#endif
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#elif defined(ANDROID)
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// Use ashmem so we don't have to allocate a file on disk!
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fd = ashmem_create_region("PPSSPP_RAM", size);
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@ -163,9 +153,6 @@ void MemArena::ReleaseSpace()
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#ifdef _WIN32
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CloseHandle(hMemoryMapping);
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hMemoryMapping = 0;
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#elif defined(__SYMBIAN32__)
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memmap->Close();
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delete memmap;
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#else
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close(fd);
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#endif
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@ -175,22 +162,13 @@ void MemArena::ReleaseSpace()
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void *MemArena::CreateView(s64 offset, size_t size, void *base)
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{
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#ifdef _WIN32
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#ifdef _XBOX
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size = roundup(size);
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// use 64kb pages
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void * ptr = VirtualAlloc(nullptr, size, MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE);
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return ptr;
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#else
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size = roundup(size);
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void *ptr = MapViewOfFileEx(hMemoryMapping, FILE_MAP_ALL_ACCESS, 0, (DWORD)((u64)offset), size, base);
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return ptr;
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#endif
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#else
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void *retval = mmap(base, size, PROT_READ | PROT_WRITE, MAP_SHARED |
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// Do not sync memory to underlying file. Linux has this by default.
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#ifdef BLACKBERRY
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MAP_NOSYNCFILE |
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#elif defined(__FreeBSD__)
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#ifdef __FreeBSD__
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MAP_NOSYNC |
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#endif
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((base == nullptr) ? 0 : MAP_FIXED), fd, offset);
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@ -208,17 +186,12 @@ void *MemArena::CreateView(s64 offset, size_t size, void *base)
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void MemArena::ReleaseView(void* view, size_t size)
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{
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#ifdef _WIN32
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#ifndef _XBOX
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UnmapViewOfFile(view);
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#endif
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#elif defined(__SYMBIAN32__)
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memmap->Decommit(((int)view - (int)memmap->Base()) & 0x3FFFFFFF, size);
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#else
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munmap(view, size);
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#endif
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}
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#ifndef __SYMBIAN32__
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u8* MemArena::Find4GBBase()
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{
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#ifdef _M_X64
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@ -241,20 +214,6 @@ u8* MemArena::Find4GBBase()
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VirtualFree(base, 0, MEM_RELEASE);
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}
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return base;
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#else
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#ifdef IOS
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void* base = nullptr;
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if (globalbase == nullptr){
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base = mmap(0, 0x08000000, PROT_READ | PROT_WRITE,
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MAP_ANON | MAP_SHARED, -1, 0);
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if (base == MAP_FAILED) {
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PanicAlert("Failed to map 128 MB of memory space: %s", strerror(errno));
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return 0;
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}
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munmap(base, 0x08000000);
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globalbase = base;
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}
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else{ base = globalbase; }
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#else
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void* base = mmap(0, 0x10000000, PROT_READ | PROT_WRITE,
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MAP_ANON | MAP_SHARED, -1, 0);
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@ -263,12 +222,10 @@ u8* MemArena::Find4GBBase()
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return 0;
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}
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munmap(base, 0x10000000);
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#endif
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return static_cast<u8*>(base);
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#endif
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#endif
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}
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#endif
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// yeah, this could also be done in like two bitwise ops...
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@ -284,10 +241,6 @@ static bool Memory_TryBase(u8 *base, const MemoryView *views, int num_views, u32
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size_t position = 0;
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size_t last_position = 0;
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#if defined(_XBOX)
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void *ptr;
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#endif
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// Zero all the pointers to be sure.
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for (int i = 0; i < num_views; i++)
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{
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@ -308,18 +261,6 @@ static bool Memory_TryBase(u8 *base, const MemoryView *views, int num_views, u32
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position = last_position;
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}
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else {
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#ifdef __SYMBIAN32__
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*(view.out_ptr_low) = (u8*)((int)arena->memmap->Base() + view.virtual_address);
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arena->memmap->Commit(view.virtual_address & 0x3FFFFFFF, view.size);
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}
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*(view.out_ptr) = (u8*)((int)arena->memmap->Base() + view.virtual_address & 0x3FFFFFFF);
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#elif defined(_XBOX)
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*(view.out_ptr_low) = (u8*)(base + view.virtual_address);
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//arena->memmap->Commit(view.virtual_address & 0x3FFFFFFF, view.size);
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ptr = VirtualAlloc(base + (view.virtual_address & 0x3FFFFFFF), view.size, MEM_COMMIT, PAGE_READWRITE);
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}
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*(view.out_ptr) = (u8*)base + (view.virtual_address & 0x3FFFFFFF);
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#else
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*(view.out_ptr_low) = (u8*)arena->CreateView(position, view.size);
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if (!*view.out_ptr_low)
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goto bail;
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@ -340,7 +281,6 @@ static bool Memory_TryBase(u8 *base, const MemoryView *views, int num_views, u32
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}
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#endif
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#endif
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last_position = position;
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position += roundup(view.size);
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}
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@ -389,9 +329,7 @@ u8 *MemoryMap_Setup(const MemoryView *views, int num_views, u32 flags, MemArena
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total_mem += roundup(views[i].size);
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}
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// Grab some pagefile backed memory out of the void ...
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#ifndef __SYMBIAN32__
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arena->GrabLowMemSpace(total_mem);
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#endif
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// Now, create views in high memory where there's plenty of space.
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#ifdef _M_X64
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@ -403,15 +341,6 @@ u8 *MemoryMap_Setup(const MemoryView *views, int num_views, u32 flags, MemArena
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PanicAlert("MemoryMap_Setup: Failed finding a memory base.");
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return 0;
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}
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#elif defined(_XBOX)
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// Reserve 256MB
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u8 *base = (u8*)VirtualAlloc(0, 0x10000000, MEM_RESERVE | MEM_LARGE_PAGES, PAGE_READWRITE);
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if (!Memory_TryBase(base, views, num_views, flags, arena))
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{
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PanicAlert("MemoryMap_Setup: Failed finding a memory base.");
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exit(0);
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return 0;
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}
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#elif defined(_WIN32)
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// Try a whole range of possible bases. Return once we got a valid one.
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u32 max_base_addr = 0x7FFF0000 - 0x10000000;
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@ -428,15 +357,6 @@ u8 *MemoryMap_Setup(const MemoryView *views, int num_views, u32 flags, MemArena
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break;
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}
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}
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#elif defined(__SYMBIAN32__)
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arena->memmap = new RChunk();
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arena->memmap->CreateDisconnectedLocal(0, 0, 0x10000000);
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if (!Memory_TryBase(arena->memmap->Base(), views, num_views, flags, arena))
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{
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PanicAlert("MemoryMap_Setup: Failed finding a memory base.");
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return 0;
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}
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u8* base = arena->memmap->Base();
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#else
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// Linux32 is fine with the x64 method, although limited to 32-bit with no automirrors.
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u8 *base = MemArena::Find4GBBase();
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@ -21,10 +21,6 @@
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#include <windows.h>
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#endif
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#ifdef __SYMBIAN32__
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#include <e32std.h>
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#endif
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#include "common/common.h"
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// This class lets you create a block of anonymous RAM, and then arbitrarily map views into it.
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@ -39,12 +35,8 @@ public:
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void *CreateView(s64 offset, size_t size, void *base = 0);
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void ReleaseView(void *view, size_t size);
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#ifdef __SYMBIAN32__
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RChunk* memmap;
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#else
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// This only finds 1 GB in 32-bit
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static u8 *Find4GBBase();
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#endif
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private:
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#ifdef _WIN32
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@ -35,7 +35,6 @@
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#define PLATFORM_MACOSX 2
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#define PLATFORM_LINUX 3
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#define PLATFORM_ANDROID 4
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#define PLATFORM_IOS 5
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Platform detection
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@ -48,11 +48,7 @@
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// MSVC
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#elif defined(_MSC_VER) && !defined(COMMON_BIG_ENDIAN) && !defined(COMMON_LITTLE_ENDIAN)
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#ifdef _XBOX
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#define COMMON_BIG_ENDIAN 1
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#else
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#define COMMON_LITTLE_ENDIAN 1
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#endif
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#endif
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