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more avr_anal-love

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condret 2015-08-24 21:45:01 +02:00
parent 8256955b59
commit 9394443583
1 changed files with 31 additions and 7 deletions
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38
libr/anal/p/anal_avr.c
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@ -21,13 +21,11 @@ static int avr_op(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *buf, int len)
op->type = R_ANAL_OP_TYPE_NOP;
op->cycles = 1;
}
if ((buf[1] >= 0x0c && buf[1] <= 0x0f) || //ADD
(buf[1] >= 0x1c && buf[1] <= 0x1f)) { //ADC
if ((buf[1] & 0xec) == 12) { //ADD + ADC
op->type = R_ANAL_OP_TYPE_ADD;
op->cycles = 1;
}
if ((buf[1] >= 0x18 && buf[1] <= 0x1b) || //SUB
(buf[1] >= 0x08 && buf[1] <= 0x0b)) { //SBC
if ((buf[1] & 0xec) == 8) { //SUB + SBC
op->type = R_ANAL_OP_TYPE_SUB;
op->cycles = 1;
}
@ -35,15 +33,41 @@ static int avr_op(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *buf, int len)
op->type = R_ANAL_OP_TYPE_ROR;
op->cycles = 1;
}
if ((buf[0] == 1) || ((buf[0] & 0xfe) == 0x16)) {//MOVW + MOV
if (buf[1] == 1) { //MOVW
op->type = R_ANAL_OP_TYPE_MOV;
op->cycles = 1;
}
if ((buf[0] & 0xf0) == 0xe0) { //LDI
if ((buf[1] & 0xf0) == 0xe0) { //LDI
op->type = R_ANAL_OP_TYPE_LOAD;
op->cycles = 1;
}
//if (((buf[1] & 0x94) == 0x94) && ((buf[0] & 0x0e)==0x0e)) {
if ((buf[1] & 0xec) == 4) { //CP + CPC
op->type = R_ANAL_OP_TYPE_CMP;
op->cycles = 1;
}
switch (buf[1] & 0xfc) {
case 0x10: //CPSE
op->type = R_ANAL_OP_TYPE_CMP;
op->type2 = R_ANAL_OP_TYPE_CJMP;
op->failcycles = 1; //TODO Cycles
break;
case 0x20: //TST
op->type = R_ANAL_OP_TYPE_ACMP;
op->cycles = 1;
break;
case 0x24: //EOR
op->type = R_ANAL_OP_TYPE_XOR;
op->cycles = 1;
break;
case 0x28: //OR
op->type = R_ANAL_OP_TYPE_OR;
op->cycles = 1;
break;
case 0x2c: //MOV
op->type = R_ANAL_OP_TYPE_MOV;
op->cycles = 1;
break;
}
if (!memcmp (buf, "\x0e\x94", 2)) {
op->addr = addr;
op->type = R_ANAL_OP_TYPE_CALL; // call (absolute)