output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval);
}
+void emit_testeqimm(int rs,int imm)
+{
+ u_int armval;
+ assem_debug("tsteq %s,$%d\n",regname[rs],imm);
+ assert(genimm(imm,&armval));
+ output_w32(0x03100000|rd_rn_rm(0,rs,0)|armval);
+}
+
void emit_not(int rs,int rt)
{
assem_debug("mvn %s,%s\n",regname[rt],regname[rs]);
output_w32(0xe1e00000|rd_rn_rm(rt,0,rs));
}
+void emit_mvnmi(int rs,int rt)
+{
+ assem_debug("mvnmi %s,%s\n",regname[rt],regname[rs]);
+ output_w32(0x41e00000|rd_rn_rm(rt,0,rs));
+}
+
void emit_and(u_int rs1,u_int rs2,u_int rt)
{
assem_debug("and %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
output_w32(0xe1800000|rd_rn_rm(rt,rt,rs2)|((32-imm)<<7));
}
+void emit_signextend16(int rs,int rt)
+{
+ #ifdef ARMv5_ONLY
+ emit_shlimm(rs,16,rt);
+ emit_sarimm(rt,16,rt);
+ #else
+ assem_debug("sxth %s,%s\n",regname[rt],regname[rs]);
+ output_w32(0xe6bf0070|rd_rn_rm(rt,0,rs));
+ #endif
+}
+
void emit_shl(u_int rs,u_int shift,u_int rt)
{
assert(rs<16);
output_w32(0x63800000|rd_rn_rm(rt,rs,0)|armval);
}
+void emit_orrne_imm(int rs,int imm,int rt)
+{
+ u_int armval;
+ assert(genimm(imm,&armval));
+ assem_debug("orrne %s,%s,#%d\n",regname[rt],regname[rs],imm);
+ output_w32(0x13800000|rd_rn_rm(rt,rs,0)|armval);
+}
+
+void emit_andne_imm(int rs,int imm,int rt)
+{
+ u_int armval;
+ assert(genimm(imm,&armval));
+ assem_debug("andne %s,%s,#%d\n",regname[rt],regname[rs],imm);
+ output_w32(0x12000000|rd_rn_rm(rt,rs,0)|armval);
+}
+
void emit_jno_unlikely(int a)
{
//emit_jno(a);
int addr=get_reg(i_regmap,AGEN1+(i&1));
int rth,rt;
int ds;
- if(itype[i]==C1LS||itype[i]==LOADLR) {
+ if(itype[i]==C1LS||itype[i]==C2LS||itype[i]==LOADLR) {
rth=get_reg(i_regmap,FTEMP|64);
rt=get_reg(i_regmap,FTEMP);
}else{
int addr=get_reg(i_regmap,AGEN1+(i&1));
int rth,rt,r;
int ds;
- if(itype[i]==C1LS) {
+ if(itype[i]==C1LS||itype[i]==C2LS) {
rth=get_reg(i_regmap,FTEMP|64);
rt=get_reg(i_regmap,r=FTEMP);
}else{
char copr=(source[i]>>11)&0x1f;
//assert(t>=0); // Why does this happen? OOT is weird
if(t>=0) {
-#ifdef MUPEN64 /// FIXME
+#ifdef MUPEN64
emit_addimm(FP,(int)&fake_pc-(int)&dynarec_local,0);
emit_movimm((source[i]>>11)&0x1f,1);
emit_writeword(0,(int)&PC);
emit_writebyte(1,(int)&(fake_pc.f.r.nrd));
-#endif
if(copr==9) {
emit_readword((int)&last_count,ECX);
emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
}
emit_call((int)MFC0);
emit_readword((int)&readmem_dword,t);
+#else
+ emit_readword((int)®_cop0+copr*4,t);
+#endif
}
}
else if(opcode2[i]==4) // MTC0
emit_writeword(0,(int)&PC);
emit_writebyte(1,(int)&(fake_pc.f.r.nrd));
#endif
- if(copr==9||copr==11||copr==12) {
+#ifdef PCSX
+ emit_movimm(source[i],0);
+ emit_writeword(0,(int)&psxRegs.code);
+#endif
+ if(copr==9||copr==11||copr==12||copr==13) {
emit_readword((int)&last_count,ECX);
emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
emit_add(HOST_CCREG,ECX,HOST_CCREG);
// so needs a special case to handle a pending interrupt.
// The interrupt must be taken immediately, because a subsequent
// instruction might disable interrupts again.
- if(copr==12&&!is_delayslot) {
+ if(copr==12||copr==13) {
emit_movimm(start+i*4+4,0);
emit_movimm(0,1);
emit_writeword(0,(int)&pcaddr);
//else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12);
//else
emit_call((int)MTC0);
- if(copr==9||copr==11||copr==12) {
+ if(copr==9||copr==11||copr==12||copr==13) {
emit_readword((int)&Count,HOST_CCREG);
emit_readword((int)&next_interupt,ECX);
emit_addimm(HOST_CCREG,-CLOCK_DIVIDER*ccadj[i],HOST_CCREG);
emit_writeword(ECX,(int)&last_count);
emit_storereg(CCREG,HOST_CCREG);
}
- if(copr==12) {
+ if(copr==12||copr==13) {
assert(!is_delayslot);
emit_readword((int)&pending_exception,14);
}
emit_loadreg(rs1[i],s);
if(get_reg(i_regs->regmap,rs1[i]|64)>=0)
emit_loadreg(rs1[i]|64,get_reg(i_regs->regmap,rs1[i]|64));
- if(copr==12) {
+ if(copr==12||copr==13) {
emit_test(14,14);
emit_jne((int)&do_interrupt);
}
}
}
-void cop1_unusable(int i, struct regstat *i_regs)
+static void cop2_get_dreg(u_int copr,signed char tl,signed char temp)
+{
+ switch (copr) {
+ case 1:
+ case 3:
+ case 5:
+ case 8:
+ case 9:
+ case 10:
+ case 11:
+ emit_readword((int)®_cop2d[copr],tl);
+ emit_signextend16(tl,tl);
+ emit_writeword(tl,(int)®_cop2d[copr]); // hmh
+ break;
+ case 7:
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+ emit_readword((int)®_cop2d[copr],tl);
+ emit_andimm(tl,0xffff,tl);
+ emit_writeword(tl,(int)®_cop2d[copr]);
+ break;
+ case 15:
+ emit_readword((int)®_cop2d[14],tl); // SXY2
+ emit_writeword(tl,(int)®_cop2d[copr]);
+ break;
+ case 28:
+ case 30:
+ emit_movimm(0,tl);
+ break;
+ case 29:
+ emit_readword((int)®_cop2d[9],temp);
+ emit_testimm(temp,0x8000); // do we need this?
+ emit_andimm(temp,0xf80,temp);
+ emit_andne_imm(temp,0,temp);
+ emit_shr(temp,7,tl);
+ emit_readword((int)®_cop2d[10],temp);
+ emit_testimm(temp,0x8000);
+ emit_andimm(temp,0xf80,temp);
+ emit_andne_imm(temp,0,temp);
+ emit_orrshr(temp,2,tl);
+ emit_readword((int)®_cop2d[11],temp);
+ emit_testimm(temp,0x8000);
+ emit_andimm(temp,0xf80,temp);
+ emit_andne_imm(temp,0,temp);
+ emit_orrshl(temp,3,tl);
+ emit_writeword(tl,(int)®_cop2d[copr]);
+ break;
+ default:
+ emit_readword((int)®_cop2d[copr],tl);
+ break;
+ }
+}
+
+static void cop2_put_dreg(u_int copr,signed char sl,signed char temp)
+{
+ switch (copr) {
+ case 15:
+ emit_readword((int)®_cop2d[13],temp); // SXY1
+ emit_writeword(sl,(int)®_cop2d[copr]);
+ emit_writeword(temp,(int)®_cop2d[12]); // SXY0
+ emit_readword((int)®_cop2d[14],temp); // SXY2
+ emit_writeword(sl,(int)®_cop2d[14]);
+ emit_writeword(temp,(int)®_cop2d[13]); // SXY1
+ break;
+ case 28:
+ emit_andimm(sl,0x001f,temp);
+ emit_shl(temp,7,temp);
+ emit_writeword(temp,(int)®_cop2d[9]);
+ emit_andimm(sl,0x03e0,temp);
+ emit_shl(temp,2,temp);
+ emit_writeword(temp,(int)®_cop2d[10]);
+ emit_andimm(sl,0x7c00,temp);
+ emit_shr(temp,3,temp);
+ emit_writeword(temp,(int)®_cop2d[11]);
+ emit_writeword(sl,(int)®_cop2d[28]);
+ break;
+ case 30:
+ emit_movs(sl,temp);
+ emit_mvnmi(temp,temp);
+ emit_clz(temp,temp);
+ emit_writeword(sl,(int)®_cop2d[30]);
+ emit_writeword(temp,(int)®_cop2d[31]);
+ break;
+ case 7:
+ case 29:
+ case 31:
+ break;
+ default:
+ emit_writeword(sl,(int)®_cop2d[copr]);
+ break;
+ }
+}
+
+void cop2_assemble(int i,struct regstat *i_regs)
+{
+ u_int copr=(source[i]>>11)&0x1f;
+ signed char temp=get_reg(i_regs->regmap,-1);
+ if (opcode2[i]==0) { // MFC2
+ signed char tl=get_reg(i_regs->regmap,rt1[i]);
+ if(tl>=0)
+ cop2_get_dreg(copr,tl,temp);
+ }
+ else if (opcode2[i]==4) { // MTC2
+ signed char sl=get_reg(i_regs->regmap,rs1[i]);
+ cop2_put_dreg(copr,sl,temp);
+ }
+ else if (opcode2[i]==2) // CFC2
+ {
+ signed char tl=get_reg(i_regs->regmap,rt1[i]);
+ if(tl>=0)
+ emit_readword((int)®_cop2c[copr],tl);
+ }
+ else if (opcode2[i]==6) // CTC2
+ {
+ signed char sl=get_reg(i_regs->regmap,rs1[i]);
+ switch(copr) {
+ case 4:
+ case 12:
+ case 20:
+ case 26:
+ case 27:
+ case 29:
+ case 30:
+ emit_signextend16(sl,temp);
+ break;
+ case 31:
+ //value = value & 0x7ffff000;
+ //if (value & 0x7f87e000) value |= 0x80000000;
+ emit_shrimm(sl,12,temp);
+ emit_shlimm(temp,12,temp);
+ emit_testimm(temp,0x7f000000);
+ emit_testeqimm(temp,0x00870000);
+ emit_testeqimm(temp,0x0000e000);
+ emit_orrne_imm(temp,0x80000000,temp);
+ break;
+ default:
+ temp=sl;
+ break;
+ }
+ emit_writeword(temp,(int)®_cop2c[copr]);
+ assert(sl>=0);
+ }
+}
+
+void c2op_assemble(int i,struct regstat *i_regs)
+{
+ signed char temp=get_reg(i_regs->regmap,-1);
+ u_int c2op=source[i]&0x3f;
+ u_int hr,reglist=0;
+ for(hr=0;hr<HOST_REGS;hr++) {
+ if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
+ }
+ if(i==0||itype[i-1]!=C2OP)
+ save_regs(reglist);
+
+ if (gte_handlers[c2op]!=NULL) {
+ int cc=get_reg(i_regs->regmap,CCREG);
+ emit_movimm(source[i],temp); // opcode
+ if (cc>=0&>e_cycletab[c2op])
+ emit_addimm(cc,gte_cycletab[c2op]/2,cc); // XXX: cound just adjust ccadj?
+ emit_writeword(temp,(int)&psxRegs.code);
+ emit_call((int)gte_handlers[c2op]);
+ }
+
+ if(i>=slen-1||itype[i+1]!=C2OP)
+ restore_regs(reglist);
+}
+
+void cop1_unusable(int i,struct regstat *i_regs)
{
// XXX: should just just do the exception instead
if(!cop1_usable) {
rounding_modes[3]=0x2<<22; // floor
#endif
}
+
+// vim:shiftwidth=2:expandtab
notaz.gp2x.de / pcsx_rearmed.git / blobdiff