mapPhysicalPage
_mem->mapPhysicalPage(0x40100000, 0x100, PAGE_READWRITE);
mem = _mem->mapPhysicalPage(addr, 0x1000, PAGE_READWRITE);
_mem->mapPhysicalPage(0x40e00000, 0x1000, PAGE_READWRITE);
_mem->mapPhysicalPage(0x44000000, 0x1000, PAGE_READWRITE);
_mem->mapPhysicalPage(0x40100000, 0x100, PAGE_READWRITE);
vaddr_t fbaddr_v = _mem->mapPhysicalPage(fbaddr_p, 0x50000,
_mem->mapPhysicalPage(0x80050000, 0x100, PAGE_READWRITE);
_mem->mapPhysicalPage(0x80050000, 0x100, PAGE_READWRITE);
vaddr_t v = mapPhysicalPage(paddr, 4, PAGE_READONLY);
vaddr_t mapPhysicalPage(paddr_t paddr, psize_t size, uint32_t flags);