nvbios_pointer
void *nvbios_pointer(struct nvkm_bios *, u32 addr);
nvbios_pointer(bios, 0), desc->SignatureCount,
(u8 *)desc + 0x2c - (u8 *)nvbios_pointer(bios, 0), 0, 0);
desc = nvbios_pointer(bios, flcn_ucode.data);