Add resolve function for Mod to CS regs

handwritten/hexagon_il_c/functions.c

@@ -743,3 +743,21 @@ RZ_IPI RZ_OWN RzILOpEffect *hex_cancel_slot(RZ_BORROW HexPkt *pkt, ut8 slot) {
 	// return SETG("slot_cancelled", LOGOR(VARG("slot_cancelled"), SHIFTL0(U8(1), U8(slot))));
 	return EMPTY();
 }
+
+RzILOpPure *hex_get_corresponding_cs(RZ_BORROW HexPkt *pkt, const HexOp *Mu) {
+    rz_return_val_if_fail(Mu && Mu->class == HEX_REG_CLASS_MOD_REGS, NULL);
+    HexOp cs_reg = { 0 };
+    if (Mu->op.reg == 0) {
+        // M0 (C6) return CS0
+        cs_reg.class = HEX_REG_CLASS_CTR_REGS;
+        cs_reg.op.reg = 12;
+	    return hex_read_reg(pkt, &cs_reg, true);
+    } else if (Mu->op.reg == 1) {
+        // M1 (C7) return CS1
+        cs_reg.class = HEX_REG_CLASS_CTR_REGS;
+        cs_reg.op.reg = 13;
+	    return hex_read_reg(pkt, &cs_reg, true);
+    }
+    rz_warn_if_reached();
+    return NULL;
+}

handwritten/hexagon_il_h/declarations.h

@@ -22,3 +22,4 @@ RZ_IPI RZ_OWN RzILOpEffect *hex_commit_packet(HexInsnPktBundle *bundle);
 RZ_IPI RZ_OWN RzILOpEffect *hex_write_reg(RZ_BORROW HexInsnPktBundle *bundle, const HexOp *op, RzILOpPure *val);
 RZ_IPI RZ_OWN RzILOpPure *hex_read_reg(RZ_BORROW HexPkt *pkt, const HexOp *op, bool tmp_reg);
 RZ_IPI RZ_OWN RzILOpEffect *hex_cancel_slot(RZ_BORROW HexPkt *pkt, ut8 slot);
+RzILOpPure *hex_get_corresponding_cs(RZ_BORROW HexPkt *pkt, const HexOp *Mu);

handwritten/hexagon_il_h/macros.h

@@ -15,6 +15,7 @@
 #define DEC(val, size) SUB(val, UN(size, 1))
 #define HEX_STORE_SLOT_CANCELLED(pkt, slot) hex_cancel_slot(pkt, slot)
 #define HEX_FCIRC_ADD(bundle, RxV, offset, mu, CS) hex_fcircadd(bundle, RxV, offset, mu, CS)
+#define HEX_GET_CORRESPONDING_CS(pkt, Mu) hex_get_corresponding_cs(pkt, Mu)
 
 #define HEX_IMMUTABLE_REG (~0)
 #define HEX_NOT_MASKED 0