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Merge pull request #421 from linkmauve/remove-dead-platforms
Remove dead platform #ifdefs to make the code more readable.
This commit is contained in:
bunnei
commit
5217e3f873
5 changed files with 2 additions and 101 deletions
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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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