+
+void
+move_to_cr (int cr, reg_t val)
+{
+ switch (cr)
+ {
+ case PSW_CR:
+ State.SM = (val & PSW_SM_BIT) != 0;
+ State.EA = (val & PSW_EA_BIT) != 0;
+ State.DB = (val & PSW_DB_BIT) != 0;
+ State.DM = (val & PSW_DM_BIT) != 0;
+ State.IE = (val & PSW_IE_BIT) != 0;
+ State.RP = (val & PSW_RP_BIT) != 0;
+ State.MD = (val & PSW_MD_BIT) != 0;
+ State.FX = (val & PSW_FX_BIT) != 0;
+ State.ST = (val & PSW_ST_BIT) != 0;
+ State.F0 = (val & PSW_F0_BIT) != 0;
+ State.F1 = (val & PSW_F1_BIT) != 0;
+ State.C = (val & PSW_C_BIT) != 0;
+ if (State.ST && !State.FX)
+ {
+ (*d10v_callback->printf_filtered)
+ (d10v_callback,
+ "ERROR at PC 0x%x: ST can only be set when FX is set.\n",
+ PC<<2);
+ State.exception = SIGILL;
+ }
+ State.cregs[cr] = (val & ~0x4032);
+ break;
+ case BPSW_CR:
+ case DPSW_CR:
+ State.cregs[cr] = (val & ~0x4032);
+ break;
+ case MOD_S_CR:
+ case MOD_E_CR:
+ State.cregs[cr] = (val & ~0x1);
+ break;
+ default:
+ State.cregs[cr] = val;
+ break;
+ }
+}
+
+reg_t
+move_from_cr (int cr)
+{
+ reg_t val = 0;
+ switch (cr)
+ {
+ case PSW_CR:
+ if (State.SM) val |= PSW_SM_BIT;
+ if (State.EA) val |= PSW_EA_BIT;
+ if (State.DB) val |= PSW_DB_BIT;
+ if (State.DM) val |= PSW_DM_BIT;
+ if (State.IE) val |= PSW_IE_BIT;
+ if (State.RP) val |= PSW_RP_BIT;
+ if (State.MD) val |= PSW_MD_BIT;
+ if (State.FX) val |= PSW_FX_BIT;
+ if (State.ST) val |= PSW_ST_BIT;
+ if (State.F0) val |= PSW_F0_BIT;
+ if (State.F1) val |= PSW_F1_BIT;
+ if (State.C) val |= PSW_C_BIT;
+ break;
+ default:
+ val = State.cregs[cr];
+ break;
+ }
+ return val;
+}
+
+