raw_patch_instruction
int raw_patch_instruction(u32 *addr, ppc_inst_t instr);
raw_patch_instruction(dest, ppc_inst(PPC_RAW_NOP()));
raw_patch_instruction(dest, ppc_inst(PPC_INST_LWSYNC));
raw_patch_instruction(dest, inst);
raw_patch_instruction(dest, instr);