return ptr;
}
-static int verify_dirty(u_int *ptr)
+static int verify_dirty(const u_int *ptr)
{
#ifndef HAVE_ARMV7
u_int offset;
output_w32(0xe1e00000|rd_rn_rm(rt,0,rs));
}
-static 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));
-}
-
static 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(0xe0200000|rd_rn_rm(rt,rs1,rs2));
}
+static void emit_xorsar_imm(u_int rs1,u_int rs2,u_int imm,u_int rt)
+{
+ assem_debug("eor %s,%s,%s,asr #%d\n",regname[rt],regname[rs1],regname[rs2],imm);
+ output_w32(0xe0200040|rd_rn_rm(rt,rs1,rs2)|(imm<<7));
+}
+
static void emit_addimm(u_int rs,int imm,u_int rt)
{
assert(rs<16);
output_w32(0xe1a00000|rd_rn_rm(rt,0,rs)|0x50|(shift<<8));
}
-static void emit_orrshl(u_int rs,u_int shift,u_int rt)
+static unused void emit_orrshl(u_int rs,u_int shift,u_int rt)
{
assert(rs<16);
assert(rt<16);
output_w32(0xe1800000|rd_rn_rm(rt,rt,rs)|0x10|(shift<<8));
}
-static void emit_orrshr(u_int rs,u_int shift,u_int rt)
+static unused void emit_orrshr(u_int rs,u_int shift,u_int rt)
{
assert(rs<16);
assert(rt<16);
output_w32(0x33a00000|rd_rn_rm(rt,0,0)|armval);
}
+static void emit_cmovae_imm(int imm,int rt)
+{
+ assem_debug("movcs %s,#%d\n",regname[rt],imm);
+ u_int armval;
+ genimm_checked(imm,&armval);
+ output_w32(0x23a00000|rd_rn_rm(rt,0,0)|armval);
+}
+
static void emit_cmovne_reg(int rs,int rt)
{
assem_debug("movne %s,%s\n",regname[rt],regname[rs]);
output_w32(0x3a000000|offset);
}
-static void emit_callreg(u_int r)
+static unused void emit_callreg(u_int r)
{
assert(r<15);
assem_debug("blx %s\n",regname[r]);
output_w32(0xe1300000|rd_rn_rm(0,rs,rt));
}
-static void emit_rsbimm(int rs, int imm, int rt)
+static unused void emit_rsbimm(int rs, int imm, int rt)
{
u_int armval;
genimm_checked(imm,&armval);
restore_regs(reglist);
}
-static void do_unalignedwritestub(int n)
-{
- assem_debug("do_unalignedwritestub %x\n",start+stubs[n].a*4);
- literal_pool(256);
- set_jump_target(stubs[n].addr, out);
-
- int i=stubs[n].a;
- struct regstat *i_regs=(struct regstat *)stubs[n].c;
- int addr=stubs[n].b;
- u_int reglist=stubs[n].e;
- signed char *i_regmap=i_regs->regmap;
- int temp2=get_reg(i_regmap,FTEMP);
- int rt;
- rt=get_reg(i_regmap,rs2[i]);
- assert(rt>=0);
- assert(addr>=0);
- assert(opcode[i]==0x2a||opcode[i]==0x2e); // SWL/SWR only implemented
- reglist|=(1<<addr);
- reglist&=~(1<<temp2);
-
-#if 1
- // don't bother with it and call write handler
- save_regs(reglist);
- pass_args(addr,rt);
- int cc=get_reg(i_regmap,CCREG);
- if(cc<0)
- emit_loadreg(CCREG,2);
- emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
- emit_call((opcode[i]==0x2a?jump_handle_swl:jump_handle_swr));
- emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
- if(cc<0)
- emit_storereg(CCREG,2);
- restore_regs(reglist);
- emit_jmp(stubs[n].retaddr); // return address
-#else
- emit_andimm(addr,0xfffffffc,temp2);
- emit_writeword(temp2,&address);
-
- save_regs(reglist);
- emit_shrimm(addr,16,1);
- int cc=get_reg(i_regmap,CCREG);
- if(cc<0) {
- emit_loadreg(CCREG,2);
- }
- emit_movimm((u_int)readmem,0);
- emit_addimm(cc<0?2:cc,2*stubs[n].d+2,2);
- emit_call((int)&indirect_jump_indexed);
- restore_regs(reglist);
-
- emit_readword(&readmem_dword,temp2);
- int temp=addr; //hmh
- emit_shlimm(addr,3,temp);
- emit_andimm(temp,24,temp);
-#ifdef BIG_ENDIAN_MIPS
- if (opcode[i]==0x2e) // SWR
-#else
- if (opcode[i]==0x2a) // SWL
-#endif
- emit_xorimm(temp,24,temp);
- emit_movimm(-1,HOST_TEMPREG);
- if (opcode[i]==0x2a) { // SWL
- emit_bic_lsr(temp2,HOST_TEMPREG,temp,temp2);
- emit_orrshr(rt,temp,temp2);
- }else{
- emit_bic_lsl(temp2,HOST_TEMPREG,temp,temp2);
- emit_orrshl(rt,temp,temp2);
- }
- emit_readword(&address,addr);
- emit_writeword(temp2,&word);
- //save_regs(reglist); // don't need to, no state changes
- emit_shrimm(addr,16,1);
- emit_movimm((u_int)writemem,0);
- //emit_call((int)&indirect_jump_indexed);
- emit_mov(15,14);
- emit_readword_dualindexedx4(0,1,15);
- emit_readword(&Count,HOST_TEMPREG);
- emit_readword(&next_interupt,2);
- emit_addimm(HOST_TEMPREG,-2*stubs[n].d-2,HOST_TEMPREG);
- emit_writeword(2,&last_count);
- emit_sub(HOST_TEMPREG,2,cc<0?HOST_TEMPREG:cc);
- if(cc<0) {
- emit_storereg(CCREG,HOST_TEMPREG);
- }
- restore_regs(reglist);
- emit_jmp(stubs[n].retaddr); // return address
-#endif
-}
-
// this output is parsed by verify_dirty, get_bounds, isclean, get_clean_addr
static void do_dirty_stub_emit_args(u_int arg0)
{
/* Special assem */
-static void shift_assemble_arm(int i,struct regstat *i_regs)
-{
- if(rt1[i]) {
- if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV
- {
- signed char s,t,shift;
- t=get_reg(i_regs->regmap,rt1[i]);
- s=get_reg(i_regs->regmap,rs1[i]);
- shift=get_reg(i_regs->regmap,rs2[i]);
- if(t>=0){
- if(rs1[i]==0)
- {
- emit_zeroreg(t);
- }
- else if(rs2[i]==0)
- {
- assert(s>=0);
- if(s!=t) emit_mov(s,t);
- }
- else
- {
- emit_andimm(shift,31,HOST_TEMPREG);
- if(opcode2[i]==4) // SLLV
- {
- emit_shl(s,HOST_TEMPREG,t);
- }
- if(opcode2[i]==6) // SRLV
- {
- emit_shr(s,HOST_TEMPREG,t);
- }
- if(opcode2[i]==7) // SRAV
- {
- emit_sar(s,HOST_TEMPREG,t);
- }
- }
- }
- } else { // DSLLV/DSRLV/DSRAV
- signed char sh,sl,th,tl,shift;
- th=get_reg(i_regs->regmap,rt1[i]|64);
- tl=get_reg(i_regs->regmap,rt1[i]);
- sh=get_reg(i_regs->regmap,rs1[i]|64);
- sl=get_reg(i_regs->regmap,rs1[i]);
- shift=get_reg(i_regs->regmap,rs2[i]);
- if(tl>=0){
- if(rs1[i]==0)
- {
- emit_zeroreg(tl);
- if(th>=0) emit_zeroreg(th);
- }
- else if(rs2[i]==0)
- {
- assert(sl>=0);
- if(sl!=tl) emit_mov(sl,tl);
- if(th>=0&&sh!=th) emit_mov(sh,th);
- }
- else
- {
- // FIXME: What if shift==tl ?
- assert(shift!=tl);
- int temp=get_reg(i_regs->regmap,-1);
- int real_th=th;
- if(th<0&&opcode2[i]!=0x14) {th=temp;} // DSLLV doesn't need a temporary register
- assert(sl>=0);
- assert(sh>=0);
- emit_andimm(shift,31,HOST_TEMPREG);
- if(opcode2[i]==0x14) // DSLLV
- {
- if(th>=0) emit_shl(sh,HOST_TEMPREG,th);
- emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
- emit_orrshr(sl,HOST_TEMPREG,th);
- emit_andimm(shift,31,HOST_TEMPREG);
- emit_testimm(shift,32);
- emit_shl(sl,HOST_TEMPREG,tl);
- if(th>=0) emit_cmovne_reg(tl,th);
- emit_cmovne_imm(0,tl);
- }
- if(opcode2[i]==0x16) // DSRLV
- {
- assert(th>=0);
- emit_shr(sl,HOST_TEMPREG,tl);
- emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
- emit_orrshl(sh,HOST_TEMPREG,tl);
- emit_andimm(shift,31,HOST_TEMPREG);
- emit_testimm(shift,32);
- emit_shr(sh,HOST_TEMPREG,th);
- emit_cmovne_reg(th,tl);
- if(real_th>=0) emit_cmovne_imm(0,th);
- }
- if(opcode2[i]==0x17) // DSRAV
- {
- assert(th>=0);
- emit_shr(sl,HOST_TEMPREG,tl);
- emit_rsbimm(HOST_TEMPREG,32,HOST_TEMPREG);
- if(real_th>=0) {
- assert(temp>=0);
- emit_sarimm(th,31,temp);
- }
- emit_orrshl(sh,HOST_TEMPREG,tl);
- emit_andimm(shift,31,HOST_TEMPREG);
- emit_testimm(shift,32);
- emit_sar(sh,HOST_TEMPREG,th);
- emit_cmovne_reg(th,tl);
- if(real_th>=0) emit_cmovne_reg(temp,th);
- }
- }
- }
- }
- }
-}
-#define shift_assemble shift_assemble_arm
-
-static void loadlr_assemble_arm(int i,struct regstat *i_regs)
-{
- int s,tl,temp,temp2,addr;
- int offset;
- void *jaddr=0;
- int memtarget=0,c=0;
- int fastio_reg_override=-1;
- u_int hr,reglist=0;
- tl=get_reg(i_regs->regmap,rt1[i]);
- s=get_reg(i_regs->regmap,rs1[i]);
- temp=get_reg(i_regs->regmap,-1);
- temp2=get_reg(i_regs->regmap,FTEMP);
- addr=get_reg(i_regs->regmap,AGEN1+(i&1));
- assert(addr<0);
- offset=imm[i];
- for(hr=0;hr<HOST_REGS;hr++) {
- if(i_regs->regmap[hr]>=0) reglist|=1<<hr;
- }
- reglist|=1<<temp;
- if(offset||s<0||c) addr=temp2;
- else addr=s;
- if(s>=0) {
- c=(i_regs->wasconst>>s)&1;
- if(c) {
- memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE;
- }
- }
- if(!c) {
- emit_shlimm(addr,3,temp);
- if (opcode[i]==0x22||opcode[i]==0x26) {
- emit_andimm(addr,0xFFFFFFFC,temp2); // LWL/LWR
- }else{
- emit_andimm(addr,0xFFFFFFF8,temp2); // LDL/LDR
- }
- jaddr=emit_fastpath_cmp_jump(i,temp2,&fastio_reg_override);
- }
- else {
- if(ram_offset&&memtarget) {
- host_tempreg_acquire();
- emit_addimm(temp2,ram_offset,HOST_TEMPREG);
- fastio_reg_override=HOST_TEMPREG;
- }
- if (opcode[i]==0x22||opcode[i]==0x26) {
- emit_movimm(((constmap[i][s]+offset)<<3)&24,temp); // LWL/LWR
- }else{
- emit_movimm(((constmap[i][s]+offset)<<3)&56,temp); // LDL/LDR
- }
- }
- if (opcode[i]==0x22||opcode[i]==0x26) { // LWL/LWR
- if(!c||memtarget) {
- int a=temp2;
- if(fastio_reg_override>=0) a=fastio_reg_override;
- emit_readword_indexed(0,a,temp2);
- if(fastio_reg_override==HOST_TEMPREG) host_tempreg_release();
- if(jaddr) add_stub_r(LOADW_STUB,jaddr,out,i,temp2,i_regs,ccadj[i],reglist);
- }
- else
- inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj[i],reglist);
- if(rt1[i]) {
- assert(tl>=0);
- emit_andimm(temp,24,temp);
-#ifdef BIG_ENDIAN_MIPS
- if (opcode[i]==0x26) // LWR
-#else
- if (opcode[i]==0x22) // LWL
-#endif
- emit_xorimm(temp,24,temp);
- emit_movimm(-1,HOST_TEMPREG);
- if (opcode[i]==0x26) {
- emit_shr(temp2,temp,temp2);
- emit_bic_lsr(tl,HOST_TEMPREG,temp,tl);
- }else{
- emit_shl(temp2,temp,temp2);
- emit_bic_lsl(tl,HOST_TEMPREG,temp,tl);
- }
- emit_or(temp2,tl,tl);
- }
- //emit_storereg(rt1[i],tl); // DEBUG
- }
- if (opcode[i]==0x1A||opcode[i]==0x1B) { // LDL/LDR
- assert(0);
- }
-}
-#define loadlr_assemble loadlr_assemble_arm
-
static void c2op_prologue(u_int op,u_int reglist)
{
save_regs_all(reglist);
#ifdef PCNT
emit_movimm(op,0);
- emit_call((int)pcnt_gte_start);
+ emit_call(pcnt_gte_start);
#endif
emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs
}
{
#ifdef PCNT
emit_movimm(op,0);
- emit_call((int)pcnt_gte_end);
+ emit_call(pcnt_gte_end);
#endif
restore_regs_all(reglist);
}
}
}
+static void c2op_ctc2_31_assemble(signed char sl, signed char temp)
+{
+ //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);
+}
+
+static void do_mfc2_31_one(u_int copr,signed char temp)
+{
+ emit_readword(®_cop2d[copr],temp);
+ emit_testimm(temp,0x8000); // do we need this?
+ emit_andne_imm(temp,0,temp);
+ emit_cmpimm(temp,0xf80);
+ emit_andimm(temp,0xf80,temp);
+ emit_cmovae_imm(0xf80,temp);
+}
+
+static void c2op_mfc2_29_assemble(signed char tl, signed char temp)
+{
+ if (temp < 0) {
+ host_tempreg_acquire();
+ temp = HOST_TEMPREG;
+ }
+ do_mfc2_31_one(9,temp);
+ emit_shrimm(temp,7,tl);
+ do_mfc2_31_one(10,temp);
+ emit_orrshr_imm(temp,2,tl);
+ do_mfc2_31_one(11,temp);
+ emit_orrshl_imm(temp,3,tl);
+ emit_writeword(tl,®_cop2d[29]);
+ if (temp == HOST_TEMPREG)
+ host_tempreg_release();
+}
+
static void multdiv_assemble_arm(int i,struct regstat *i_regs)
{
// case 0x18: MULT
notaz.gp2x.de / pcsx_rearmed.git / blobdiff