mirror of
https://gitlab.com/GaryOderNichts/re3-wiiu.git
synced 2024-11-26 19:14:15 +01:00
131 lines
2.2 KiB
C++
131 lines
2.2 KiB
C++
#include "common.h"
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#include "MemoryHeap.h"
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#include "MemoryMgr.h"
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void *pMemoryTop;
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void
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InitMemoryMgr(void)
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{
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#ifdef USE_CUSTOM_ALLOCATOR
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#ifdef GTA_PS2
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#error "finish this"
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#else
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// randomly allocate 128mb
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gMainHeap.Init(128*1024*1024);
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#endif
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#endif
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}
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RwMemoryFunctions memFuncs = {
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MemoryMgrMalloc,
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MemoryMgrFree,
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MemoryMgrRealloc,
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MemoryMgrCalloc
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};
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#ifdef USE_CUSTOM_ALLOCATOR
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// game seems to be using heap directly here, but this is nicer
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void *operator new(size_t sz) { return MemoryMgrMalloc(sz); }
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void *operator new[](size_t sz) { return MemoryMgrMalloc(sz); }
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void operator delete(void *ptr) noexcept { MemoryMgrFree(ptr); }
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void operator delete[](void *ptr) noexcept { MemoryMgrFree(ptr); }
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#endif
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void*
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MemoryMgrMalloc(size_t size)
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{
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#ifdef USE_CUSTOM_ALLOCATOR
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void *mem = gMainHeap.Malloc(size);
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#else
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void *mem = malloc(size);
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#endif
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if(mem > pMemoryTop)
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pMemoryTop = mem;
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return mem;
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}
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void*
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MemoryMgrRealloc(void *ptr, size_t size)
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{
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#ifdef USE_CUSTOM_ALLOCATOR
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void *mem = gMainHeap.Realloc(ptr, size);
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#else
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void *mem = realloc(ptr, size);
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#endif
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if(mem > pMemoryTop)
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pMemoryTop = mem;
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return mem;
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}
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void*
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MemoryMgrCalloc(size_t num, size_t size)
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{
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#ifdef USE_CUSTOM_ALLOCATOR
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void *mem = gMainHeap.Malloc(num*size);
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#else
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void *mem = calloc(num, size);
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#endif
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if(mem > pMemoryTop)
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pMemoryTop = mem;
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#ifdef FIX_BUGS
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memset(mem, 0, num*size);
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#endif
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return mem;
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}
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void
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MemoryMgrFree(void *ptr)
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{
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#ifdef USE_CUSTOM_ALLOCATOR
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#ifdef FIX_BUGS
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// i don't suppose this is handled by RW?
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if(ptr == nil) return;
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#endif
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gMainHeap.Free(ptr);
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#else
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free(ptr);
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#endif
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}
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void *
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RwMallocAlign(RwUInt32 size, RwUInt32 align)
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{
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#ifdef FIX_BUGS
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uintptr ptralign = align-1;
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void *mem = (void *)MemoryMgrMalloc(size + sizeof(uintptr) + ptralign);
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ASSERT(mem != nil);
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void *addr = (void *)((((uintptr)mem) + sizeof(uintptr) + ptralign) & ~ptralign);
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ASSERT(addr != nil);
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#else
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void *mem = (void *)MemoryMgrMalloc(size + align);
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ASSERT(mem != nil);
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void *addr = (void *)((((uintptr)mem) + align) & ~(align - 1));
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ASSERT(addr != nil);
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#endif
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*(((void **)addr) - 1) = mem;
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return addr;
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}
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void
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RwFreeAlign(void *mem)
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{
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ASSERT(mem != nil);
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void *addr = *(((void **)mem) - 1);
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ASSERT(addr != nil);
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MemoryMgrFree(addr);
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}
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