+#ifdef _3DS
+typedef struct
+{
+ unsigned int requested_map;
+ void* buffer;
+}pico_mmap_t;
+
+pico_mmap_t pico_mmaps[] = {
+ {0x02000000, 0},
+ {0x06000000, 0},
+ {NULL, 0}
+};
+
+void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed)
+{
+ (void)is_fixed;
+
+ if (ctr_svchack_successful)
+ {
+ pico_mmap_t* pico_mmap;
+
+ for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++)
+ {
+ if ((pico_mmap->requested_map == addr))
+ {
+ unsigned int ptr_aligned, tmp;
+ unsigned int currentHandle;
+ unsigned int perm = 0b011;
+
+ if (need_exec)
+ perm = 0b111;
+
+ size = (size + 0xFFF) & ~0xFFF;
+ pico_mmap->buffer = malloc(size + 0x1000);
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcDuplicateHandle(¤tHandle, 0xFFFF8001);
+
+ if(svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, size, MEMOP_MAP, perm) < 0)
+ {
+ if (log_cb)
+ log_cb(RETRO_LOG_ERROR, "could not map memory @0x%08X\n", pico_mmap->requested_map);
+ exit(1);
+ }
+
+ svcCloseHandle(currentHandle);
+ return (void*)pico_mmap->requested_map;
+ }
+ }
+ }
+
+ return malloc(size);
+}
+
+void *plat_mremap(void *ptr, size_t oldsize, size_t newsize)
+{
+ if (ctr_svchack_successful)
+ {
+ pico_mmap_t* pico_mmap;
+
+ for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++)
+ {
+ if ((pico_mmap->requested_map == (unsigned int)ptr))
+ {
+ unsigned int ptr_aligned;
+ unsigned int currentHandle;
+ void* tmp;
+
+ oldsize = (oldsize + 0xFFF) & ~0xFFF;
+ newsize = (newsize + 0xFFF) & ~0xFFF;
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcDuplicateHandle(¤tHandle, 0xFFFF8001);
+
+ svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, oldsize, MEMOP_UNMAP, 0b011);
+
+ tmp = realloc(pico_mmap->buffer, newsize + 0x1000);
+ if(!tmp)
+ return NULL;
+
+ pico_mmap->buffer = tmp;
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcControlProcessMemory(currentHandle, pico_mmap->requested_map, ptr_aligned, newsize, MEMOP_MAP, 0x3);
+
+ svcCloseHandle(currentHandle);
+
+ return ptr;
+ }
+ }
+ }
+
+ return realloc(ptr, newsize);
+
+}
+void plat_munmap(void *ptr, size_t size)
+{
+ if (ctr_svchack_successful)
+ {
+ pico_mmap_t* pico_mmap;
+
+ for (pico_mmap = pico_mmaps; pico_mmap->requested_map; pico_mmap++)
+ {
+ if ((pico_mmap->requested_map == (unsigned int)ptr))
+ {
+ unsigned int ptr_aligned;
+ unsigned int currentHandle;
+
+ size = (size + 0xFFF) & ~0xFFF;
+ ptr_aligned = (((unsigned int)pico_mmap->buffer) + 0xFFF) & ~0xFFF;
+
+ svcDuplicateHandle(¤tHandle, 0xFFFF8001);
+
+ svcControlProcessMemory(currentHandle, (void*)pico_mmap->requested_map, (void*)ptr_aligned, size, MEMOP_UNMAP, 0b011);
+
+ svcCloseHandle(currentHandle);
+
+ free(pico_mmap->buffer);
+ pico_mmap->buffer = NULL;
+ return;
+ }
+ }
+ }
+
+ free(ptr);
+}
+
+#else