static int first_nibble_is_2(RAnal* anal, RAnalOp* op, ut16 code){
//TODO handle mov.x Rm, @Rn, (X)OR/AND regs,
if (IS_MOVB_REG_TO_REGREF(code)){
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->dst = anal_fill_reg_ref(anal,GET_TARGET_REG(code),BYTE_SIZE);
} else if (IS_MOVW_REG_TO_REGREF(code)){
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->dst = anal_fill_reg_ref(anal,GET_TARGET_REG(code),WORD_SIZE);
} else if (IS_MOVL_REG_TO_REGREF(code)){
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->dst = anal_fill_reg_ref(anal,GET_TARGET_REG(code),LONG_SIZE);
} else if (IS_AND_REGS(code)){
op->type = R_ANAL_OP_TYPE_AND;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
} else if (IS_XOR_REGS(code)){
op->type = R_ANAL_OP_TYPE_XOR;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
} else if (IS_OR_REGS(code)){
op->type = R_ANAL_OP_TYPE_OR;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
}
//TODO Handle 'pushes' (mov Rm,@-Rn)
//TODO Handle CMP/STR ??
return op->size;
}
static int first_nibble_is_2(RAnal* anal, RAnalOp* op, ut16 code){
if (IS_MOVB_REG_TO_REGREF(code)) { // 0010nnnnmmmm0000 mov.b <REG_M>,@<REG_N>
op->type = R_ANAL_OP_TYPE_STORE;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_reg_ref (anal, GET_TARGET_REG(code), BYTE_SIZE);
} else if (IS_MOVW_REG_TO_REGREF(code)) {
op->type = R_ANAL_OP_TYPE_STORE;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_reg_ref (anal, GET_TARGET_REG(code), WORD_SIZE);
} else if (IS_MOVL_REG_TO_REGREF(code)) {
op->type = R_ANAL_OP_TYPE_STORE;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_reg_ref (anal, GET_TARGET_REG(code), LONG_SIZE);
} else if (IS_AND_REGS(code)) {
op->type = R_ANAL_OP_TYPE_AND;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_XOR_REGS(code)) {
op->type = R_ANAL_OP_TYPE_XOR;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_OR_REGS(code)) {
op->type = R_ANAL_OP_TYPE_OR;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_PUSHB(code) || IS_PUSHW(code) || IS_PUSHL(code)) {
op->type = R_ANAL_OP_TYPE_PUSH;
//TODO Handle 'pushes' (mov Rm,@-Rn)
} else if (IS_TSTRR(code)) {
op->type = R_ANAL_OP_TYPE_ACMP;
//TODO: handle tst reg,reg
} else if (IS_CMPSTR(code)) { //0010nnnnmmmm1100 cmp/str <REG_M>,<REG_N>
op->type = R_ANAL_OP_TYPE_ACMP; //maybe not?
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->src[1] = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
//todo: handle cmp/str byte-per-byte cmp?
} else if (IS_XTRCT(code)) { //0010nnnnmmmm1101 xtrct <REG_M>,<REG_N>
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->src[1] = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
//todo: add details ?
} else if (IS_DIV0S(code)) {
op->type = R_ANAL_OP_TYPE_DIV;
//todo: add details?
} else if (IS_MULUW(code) || IS_MULSW(code)) { //0010nnnnmmmm111_ mul{s,u}.w <REG_M>,<REG_N>
op->type = R_ANAL_OP_TYPE_MUL;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->src[1] = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
//todo: dest=MACL
}
return op->size;
}
static int first_nibble_is_6(RAnal* anal, RAnalOp* op, ut16 code){
if (IS_MOV_REGS(code)) {
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_MOVB_REGREF_TO_REG(code)) {
op->type = R_ANAL_OP_TYPE_LOAD;
op->src[0] = anal_fill_reg_ref (anal, GET_SOURCE_REG(code), BYTE_SIZE);
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_MOVW_REGREF_TO_REG(code)) {
op->type = R_ANAL_OP_TYPE_LOAD;
op->src[0] = anal_fill_reg_ref (anal, GET_SOURCE_REG(code), WORD_SIZE);
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_MOVL_REGREF_TO_REG(code)) {
op->type = R_ANAL_OP_TYPE_LOAD;
op->src[0] = anal_fill_reg_ref (anal, GET_SOURCE_REG(code), LONG_SIZE);
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_EXT(code)) {
//ext{s,u}.{b,w} instructs. todo : more detail ?
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_MOVB_POP(code) || IS_MOVW_POP(code) || IS_MOVL_POP(code)) {
/* 0110nnnnmmmm0100 mov.b @<REG_M>+,<REG_N>*/
/* 0110nnnnmmmm0101 mov.w @<REG_M>+,<REG_N>*/
/* 0110nnnnmmmm0110 mov.l @<REG_M>+,<REG_N>*/
op->type = R_ANAL_OP_TYPE_POP;
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
//todo : op->src for pop = ?
} else if (IS_NEG(code)) {
//todo: neg and negc details
op->type = R_ANAL_OP_TYPE_UNK;
/* 0110nnnnmmmm1010 negc*/
/* 0110nnnnmmmm1010 neg */
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_NOT(code)) {
//todo : details?
op->type = R_ANAL_OP_TYPE_NOT;
op->src[0] = anal_fill_ai_rg (anal, GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg (anal, GET_TARGET_REG(code));
} else if (IS_SWAP(code)) {
/* 0110nnnnmmmm1000 swap.b <REG_M>,<REG_N>*/
/* 0110nnnnmmmm1001 swap.w <REG_M>,<REG_N>*/
op->type = R_ANAL_OP_TYPE_MOV;
//todo : details
}
return op->size;
}
static int first_nibble_is_6(RAnal* anal, RAnalOp* op, ut16 code){
if(IS_MOV_REGS(code)){
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_ai_rg(anal,GET_SOURCE_REG(code));
op->dst = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
} else if (IS_MOVB_REGREF_TO_REG(code)){
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_reg_ref(anal,GET_SOURCE_REG(code),BYTE_SIZE);
op->dst = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
} else if (IS_MOVW_REGREF_TO_REG(code)){
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_reg_ref(anal,GET_SOURCE_REG(code),WORD_SIZE);
op->dst = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
} else if (IS_MOVL_REGREF_TO_REG(code)){
op->type = R_ANAL_OP_TYPE_MOV;
op->src[0] = anal_fill_reg_ref(anal,GET_SOURCE_REG(code),LONG_SIZE);
op->dst = anal_fill_ai_rg(anal,GET_TARGET_REG(code));
}
//TODO neg(c) + MOV.L @Rm+,Rn
return op->size;
}
