X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fnew_dynarec%2Fassem_arm.c;h=d0b1bd7941ee5fd10a7644ffc90f0f321bac1d68;hp=1d66002461d221570cb4d02c45b0d1cc40cd6b57;hb=be516ebe45e48044b599e9d9f9f2d296c3f3ee62;hpb=00fa9369a9c361f2308306685e84c8e302c682b7 diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c index 1d660024..d0b1bd79 100644 --- a/libpcsxcore/new_dynarec/assem_arm.c +++ b/libpcsxcore/new_dynarec/assem_arm.c @@ -55,7 +55,6 @@ extern int pcaddr; extern int pending_exception; extern int branch_target; extern uint64_t readmem_dword; -extern void *dynarec_local; extern u_int mini_ht[32][2]; void indirect_jump_indexed(); @@ -329,282 +328,6 @@ static void get_bounds(void *addr, u_char **start, u_char **end) *end=(u_char *)source+len; } -/* Register allocation */ - -// Note: registers are allocated clean (unmodified state) -// if you intend to modify the register, you must call dirty_reg(). -static void alloc_reg(struct regstat *cur,int i,signed char reg) -{ - int r,hr; - int preferred_reg = (reg&7); - if(reg==CCREG) preferred_reg=HOST_CCREG; - if(reg==PTEMP||reg==FTEMP) preferred_reg=12; - - // Don't allocate unused registers - if((cur->u>>reg)&1) return; - - // see if it's already allocated - for(hr=0;hrregmap[hr]==reg) return; - } - - // Keep the same mapping if the register was already allocated in a loop - preferred_reg = loop_reg(i,reg,preferred_reg); - - // Try to allocate the preferred register - if(cur->regmap[preferred_reg]==-1) { - cur->regmap[preferred_reg]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[preferred_reg]; - assert(r < 64); - if((cur->u>>r)&1) { - cur->regmap[preferred_reg]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[hr]; - if(r>=0) { - assert(r < 64); - if((cur->u>>r)&1) {cur->regmap[hr]=-1;break;} - } - } - // Try to allocate any available register, but prefer - // registers that have not been used recently. - if(i>0) { - for(hr=0;hrregmap[hr]==-1) { - if(regs[i-1].regmap[hr]!=rs1[i-1]&®s[i-1].regmap[hr]!=rs2[i-1]&®s[i-1].regmap[hr]!=rt1[i-1]&®s[i-1].regmap[hr]!=rt2[i-1]) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[hr]==-1) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[0],cur->regmap[1],cur->regmap[2],cur->regmap[3],cur->regmap[5],cur->regmap[6],cur->regmap[7]); - //printf("hsn(%x): %d %d %d %d %d %d %d\n",start+i*4,hsn[cur->regmap[0]&63],hsn[cur->regmap[1]&63],hsn[cur->regmap[2]&63],hsn[cur->regmap[3]&63],hsn[cur->regmap[5]&63],hsn[cur->regmap[6]&63],hsn[cur->regmap[7]&63]); - if(i>0) { - // Don't evict the cycle count at entry points, otherwise the entry - // stub will have to write it. - if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; - if(i>1&&hsn[CCREG]>2&&(itype[i-2]==RJUMP||itype[i-2]==UJUMP||itype[i-2]==CJUMP||itype[i-2]==SJUMP||itype[i-2]==FJUMP)) hsn[CCREG]=2; - for(j=10;j>=3;j--) - { - // Alloc preferred register if available - if(hsn[r=cur->regmap[preferred_reg]&63]==j) { - for(hr=0;hrregmap[hr]&63)==r) { - cur->regmap[hr]=-1; - cur->dirty&=~(1<isconst&=~(1<regmap[preferred_reg]=reg; - return; - } - for(r=1;r<=MAXREG;r++) - { - if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { - for(hr=0;hrregmap[hr]==r+64) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[hr]==r) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<=0;j--) - { - for(r=1;r<=MAXREG;r++) - { - if(hsn[r]==j) { - for(hr=0;hrregmap[hr]==r+64) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[hr]==r) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[hr]==reg) return; - } - - // Try to allocate any available register - for(hr=HOST_REGS-1;hr>=0;hr--) { - if(hr!=EXCLUDE_REG&&cur->regmap[hr]==-1) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<=0;hr--) - { - r=cur->regmap[hr]; - if(r>=0) { - assert(r < 64); - if((cur->u>>r)&1) { - if(i==0||((unneeded_reg[i-1]>>r)&1)) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[0]&63],hsn[cur->regmap[1]&63],hsn[cur->regmap[2]&63],hsn[cur->regmap[3]&63],hsn[cur->regmap[5]&63],hsn[cur->regmap[6]&63],hsn[cur->regmap[7]&63]); - if(i>0) { - // Don't evict the cycle count at entry points, otherwise the entry - // stub will have to write it. - if(bt[i]&&hsn[CCREG]>2) hsn[CCREG]=2; - if(i>1&&hsn[CCREG]>2&&(itype[i-2]==RJUMP||itype[i-2]==UJUMP||itype[i-2]==CJUMP||itype[i-2]==SJUMP||itype[i-2]==FJUMP)) hsn[CCREG]=2; - for(j=10;j>=3;j--) - { - for(r=1;r<=MAXREG;r++) - { - if(hsn[r]==j&&r!=rs1[i-1]&&r!=rs2[i-1]&&r!=rt1[i-1]&&r!=rt2[i-1]) { - for(hr=0;hr2) { - if(cur->regmap[hr]==r+64) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<2) { - if(cur->regmap[hr]==r) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<=0;j--) - { - for(r=1;r<=MAXREG;r++) - { - if(hsn[r]==j) { - for(hr=0;hrregmap[hr]==r+64) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<regmap[hr]==r) { - cur->regmap[hr]=reg; - cur->dirty&=~(1<isconst&=~(1<=0) - { - emit_test(rsh,rsh); - emit_cmovne_imm(0,rt); - emit_cmovs_imm(1,rt); - } - else - { - emit_cmpimm(rsh,-1); - emit_cmovne_imm(0,rt); - emit_cmovl_imm(1,rt); - } -} - -static void emit_sltiu64_32(int rsh,int rsl,int imm,int rt) -{ - assert(rsh!=rt); - emit_sltiu32(rsl,imm,rt); - if(imm>=0) - { - emit_test(rsh,rsh); - emit_cmovne_imm(0,rt); - } - else - { - emit_cmpimm(rsh,-1); - emit_cmovne_imm(1,rt); - } -} - static void emit_cmp(int rs,int rt) { assem_debug("cmp %s,%s\n",regname[rs],regname[rt]); @@ -1362,22 +1028,6 @@ static void emit_set_nz32(int rs, int rt) emit_cmovne_imm(1,rt); } -static void emit_set_gz64_32(int rsh, int rsl, int rt) -{ - //assem_debug("set_gz64\n"); - emit_set_gz32(rsl,rt); - emit_test(rsh,rsh); - emit_cmovne_imm(1,rt); - emit_cmovs_imm(0,rt); -} - -static void emit_set_nz64_32(int rsh, int rsl, int rt) -{ - //assem_debug("set_nz64\n"); - emit_or_and_set_flags(rsh,rsl,rt); - emit_cmovne_imm(1,rt); -} - static void emit_set_if_less32(int rs1, int rs2, int rt) { //assem_debug("set if less (%%%s,%%%s),%%%s\n",regname[rs1],regname[rs2],regname[rt]); @@ -1396,69 +1046,6 @@ static void emit_set_if_carry32(int rs1, int rs2, int rt) emit_cmovb_imm(1,rt); } -static void emit_set_if_less64_32(int u1, int l1, int u2, int l2, int rt) -{ - //assem_debug("set if less64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); - assert(u1!=rt); - assert(u2!=rt); - emit_cmp(l1,l2); - emit_movimm(0,rt); - emit_sbcs(u1,u2,HOST_TEMPREG); - emit_cmovl_imm(1,rt); -} - -static void emit_set_if_carry64_32(int u1, int l1, int u2, int l2, int rt) -{ - //assem_debug("set if carry64 (%%%s,%%%s,%%%s,%%%s),%%%s\n",regname[u1],regname[l1],regname[u2],regname[l2],regname[rt]); - assert(u1!=rt); - assert(u2!=rt); - emit_cmp(l1,l2); - emit_movimm(0,rt); - emit_sbcs(u1,u2,HOST_TEMPREG); - emit_cmovb_imm(1,rt); -} - -#ifdef DRC_DBG -extern void gen_interupt(); -extern void do_insn_cmp(); -#define FUNCNAME(f) { (intptr_t)f, " " #f } -static const struct { - intptr_t addr; - const char *name; -} function_names[] = { - FUNCNAME(cc_interrupt), - FUNCNAME(gen_interupt), - FUNCNAME(get_addr_ht), - FUNCNAME(get_addr), - FUNCNAME(jump_handler_read8), - FUNCNAME(jump_handler_read16), - FUNCNAME(jump_handler_read32), - FUNCNAME(jump_handler_write8), - FUNCNAME(jump_handler_write16), - FUNCNAME(jump_handler_write32), - FUNCNAME(invalidate_addr), - FUNCNAME(verify_code_vm), - FUNCNAME(verify_code), - FUNCNAME(jump_hlecall), - FUNCNAME(jump_syscall_hle), - FUNCNAME(new_dyna_leave), - FUNCNAME(pcsx_mtc0), - FUNCNAME(pcsx_mtc0_ds), - FUNCNAME(do_insn_cmp), -}; - -static const char *func_name(intptr_t a) -{ - int i; - for (i = 0; i < sizeof(function_names)/sizeof(function_names[0]); i++) - if (function_names[i].addr == a) - return function_names[i].name; - return ""; -} -#else -#define func_name(x) "" -#endif - static void emit_call(const void *a_) { int a = (int)a_; @@ -1553,6 +1140,11 @@ static void emit_jmpreg(u_int r) output_w32(0xe1a00000|rd_rn_rm(15,0,r)); } +static void emit_ret(void) +{ + emit_jmpreg(14); +} + static void emit_readword_indexed(int offset, int rs, int rt) { assert(offset>-4096&&offset<4096); @@ -2565,28 +2157,6 @@ static void do_dirty_stub_ds() emit_call(&verify_code_ds); } -// FP_STUB -static void do_cop1stub(int n) -{ - literal_pool(256); - assem_debug("do_cop1stub %x\n",start+stubs[n].a*4); - set_jump_target(stubs[n].addr, out); - int i=stubs[n].a; -// int rs=stubs[n].b; - struct regstat *i_regs=(struct regstat *)stubs[n].c; - int ds=stubs[n].d; - if(!ds) { - load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i); - //if(i_regs!=®s[i]) printf("oops: regs[i]=%x i_regs=%x",(int)®s[i],(int)i_regs); - } - //else {printf("fp exception in delay slot\n");} - wb_dirtys(i_regs->regmap_entry,i_regs->was32,i_regs->wasdirty); - if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG); - emit_movimm(start+(i-ds)*4,EAX); // Get PC - emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle... - emit_jmp(ds?fp_exception_ds:fp_exception); -} - /* Special assem */ static void shift_assemble_arm(int i,struct regstat *i_regs) @@ -2698,188 +2268,6 @@ static void shift_assemble_arm(int i,struct regstat *i_regs) } } } - -static void speculate_mov(int rs,int rt) -{ - if(rt!=0) { - smrv_strong_next|=1<>rs1[i])&1) speculate_mov(rs1[i],rt1[i]); - else if((smrv_strong>>rs2[i])&1) speculate_mov(rs2[i],rt1[i]); - else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]); - else if((smrv_weak>>rs2[i])&1) speculate_mov_weak(rs2[i],rt1[i]); - else { - smrv_strong_next&=~(1<=0) { - if(get_final_value(hr,i,&value)) - smrv[rt1[i]]=value; - else smrv[rt1[i]]=constmap[i][hr]; - smrv_strong_next|=1<>rs1[i])&1) speculate_mov(rs1[i],rt1[i]); - else if((smrv_weak>>rs1[i])&1) speculate_mov_weak(rs1[i],rt1[i]); - } - break; - case LOAD: - if(start<0x2000&&(rt1[i]==26||(smrv[rt1[i]]>>24)==0xa0)) { - // special case for BIOS - smrv[rt1[i]]=0xa0000000; - smrv_strong_next|=1<>r)&1),(smrv_weak>>r)&1,regs[i].isconst,regs[i].wasconst); -#endif -} - -enum { - MTYPE_8000 = 0, - MTYPE_8020, - MTYPE_0000, - MTYPE_A000, - MTYPE_1F80, -}; - -static int get_ptr_mem_type(u_int a) -{ - if(a < 0x00200000) { - if(a<0x1000&&((start>>20)==0xbfc||(start>>24)==0xa0)) - // return wrong, must use memhandler for BIOS self-test to pass - // 007 does similar stuff from a00 mirror, weird stuff - return MTYPE_8000; - return MTYPE_0000; - } - if(0x1f800000 <= a && a < 0x1f801000) - return MTYPE_1F80; - if(0x80200000 <= a && a < 0x80800000) - return MTYPE_8020; - if(0xa0000000 <= a && a < 0xa0200000) - return MTYPE_A000; - return MTYPE_8000; -} - -static void *emit_fastpath_cmp_jump(int i,int addr,int *addr_reg_override) -{ - void *jaddr = NULL; - int type=0; - int mr=rs1[i]; - if(((smrv_strong|smrv_weak)>>mr)&1) { - type=get_ptr_mem_type(smrv[mr]); - //printf("set %08x @%08x r%d %d\n", smrv[mr], start+i*4, mr, type); - } - else { - // use the mirror we are running on - type=get_ptr_mem_type(start); - //printf("set nospec @%08x r%d %d\n", start+i*4, mr, type); - } - - if(type==MTYPE_8020) { // RAM 80200000+ mirror - emit_andimm(addr,~0x00e00000,HOST_TEMPREG); - addr=*addr_reg_override=HOST_TEMPREG; - type=0; - } - else if(type==MTYPE_0000) { // RAM 0 mirror - emit_orimm(addr,0x80000000,HOST_TEMPREG); - addr=*addr_reg_override=HOST_TEMPREG; - type=0; - } - else if(type==MTYPE_A000) { // RAM A mirror - emit_andimm(addr,~0x20000000,HOST_TEMPREG); - addr=*addr_reg_override=HOST_TEMPREG; - type=0; - } - else if(type==MTYPE_1F80) { // scratchpad - if (psxH == (void *)0x1f800000) { - emit_addimm(addr,-0x1f800000,HOST_TEMPREG); - emit_cmpimm(HOST_TEMPREG,0x1000); - jaddr=out; - emit_jc(0); - } - else { - // do usual RAM check, jump will go to the right handler - type=0; - } - } - - if(type==0) - { - emit_cmpimm(addr,RAM_SIZE); - jaddr=out; - #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK - // Hint to branch predictor that the branch is unlikely to be taken - if(rs1[i]>=28) - emit_jno_unlikely(0); - else - #endif - emit_jno(0); - if(ram_offset!=0) { - emit_addimm(addr,ram_offset,HOST_TEMPREG); - addr=*addr_reg_override=HOST_TEMPREG; - } - } - - return jaddr; -} - #define shift_assemble shift_assemble_arm static void loadlr_assemble_arm(int i,struct regstat *i_regs) @@ -2965,243 +2353,6 @@ static void loadlr_assemble_arm(int i,struct regstat *i_regs) } #define loadlr_assemble loadlr_assemble_arm -static void cop0_assemble(int i,struct regstat *i_regs) -{ - if(opcode2[i]==0) // MFC0 - { - signed char t=get_reg(i_regs->regmap,rt1[i]); - u_int copr=(source[i]>>11)&0x1f; - //assert(t>=0); // Why does this happen? OOT is weird - if(t>=0&&rt1[i]!=0) { - emit_readword(®_cop0[copr],t); - } - } - else if(opcode2[i]==4) // MTC0 - { - signed char s=get_reg(i_regs->regmap,rs1[i]); - char copr=(source[i]>>11)&0x1f; - assert(s>=0); - wb_register(rs1[i],i_regs->regmap,i_regs->dirty,i_regs->is32); - if(copr==9||copr==11||copr==12||copr==13) { - emit_readword(&last_count,HOST_TEMPREG); - emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc - emit_add(HOST_CCREG,HOST_TEMPREG,HOST_CCREG); - emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); - emit_writeword(HOST_CCREG,&Count); - } - // What a mess. The status register (12) can enable interrupts, - // 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||copr==13) { - if (is_delayslot) { - // burn cycles to cause cc_interrupt, which will - // reschedule next_interupt. Relies on CCREG from above. - assem_debug("MTC0 DS %d\n", copr); - emit_writeword(HOST_CCREG,&last_count); - emit_movimm(0,HOST_CCREG); - emit_storereg(CCREG,HOST_CCREG); - emit_loadreg(rs1[i],1); - emit_movimm(copr,0); - emit_call(pcsx_mtc0_ds); - emit_loadreg(rs1[i],s); - return; - } - emit_movimm(start+i*4+4,HOST_TEMPREG); - emit_writeword(HOST_TEMPREG,&pcaddr); - emit_movimm(0,HOST_TEMPREG); - emit_writeword(HOST_TEMPREG,&pending_exception); - } - //else if(copr==12&&is_delayslot) emit_call((int)MTC0_R12); - //else - if(s==HOST_CCREG) - emit_loadreg(rs1[i],1); - else if(s!=1) - emit_mov(s,1); - emit_movimm(copr,0); - emit_call(pcsx_mtc0); - if(copr==9||copr==11||copr==12||copr==13) { - emit_readword(&Count,HOST_CCREG); - emit_readword(&next_interupt,HOST_TEMPREG); - emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[i]),HOST_CCREG); - emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG); - emit_writeword(HOST_TEMPREG,&last_count); - emit_storereg(CCREG,HOST_CCREG); - } - if(copr==12||copr==13) { - assert(!is_delayslot); - emit_readword(&pending_exception,14); - emit_test(14,14); - emit_jne(&do_interrupt); - } - 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)); - } - else - { - assert(opcode2[i]==0x10); - //if((source[i]&0x3f)==0x10) // RFE - { - emit_readword(&Status,0); - emit_andimm(0,0x3c,1); - emit_andimm(0,~0xf,0); - emit_orrshr_imm(1,2,0); - emit_writeword(0,&Status); - } - } -} - -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(®_cop2d[copr],tl); - emit_signextend16(tl,tl); - emit_writeword(tl,®_cop2d[copr]); // hmh - break; - case 7: - case 16: - case 17: - case 18: - case 19: - emit_readword(®_cop2d[copr],tl); - emit_andimm(tl,0xffff,tl); - emit_writeword(tl,®_cop2d[copr]); - break; - case 15: - emit_readword(®_cop2d[14],tl); // SXY2 - emit_writeword(tl,®_cop2d[copr]); - break; - case 28: - case 29: - emit_readword(®_cop2d[9],temp); - emit_testimm(temp,0x8000); // do we need this? - emit_andimm(temp,0xf80,temp); - emit_andne_imm(temp,0,temp); - emit_shrimm(temp,7,tl); - emit_readword(®_cop2d[10],temp); - emit_testimm(temp,0x8000); - emit_andimm(temp,0xf80,temp); - emit_andne_imm(temp,0,temp); - emit_orrshr_imm(temp,2,tl); - emit_readword(®_cop2d[11],temp); - emit_testimm(temp,0x8000); - emit_andimm(temp,0xf80,temp); - emit_andne_imm(temp,0,temp); - emit_orrshl_imm(temp,3,tl); - emit_writeword(tl,®_cop2d[copr]); - break; - default: - emit_readword(®_cop2d[copr],tl); - break; - } -} - -static void cop2_put_dreg(u_int copr,signed char sl,signed char temp) -{ - switch (copr) { - case 15: - emit_readword(®_cop2d[13],temp); // SXY1 - emit_writeword(sl,®_cop2d[copr]); - emit_writeword(temp,®_cop2d[12]); // SXY0 - emit_readword(®_cop2d[14],temp); // SXY2 - emit_writeword(sl,®_cop2d[14]); - emit_writeword(temp,®_cop2d[13]); // SXY1 - break; - case 28: - emit_andimm(sl,0x001f,temp); - emit_shlimm(temp,7,temp); - emit_writeword(temp,®_cop2d[9]); - emit_andimm(sl,0x03e0,temp); - emit_shlimm(temp,2,temp); - emit_writeword(temp,®_cop2d[10]); - emit_andimm(sl,0x7c00,temp); - emit_shrimm(temp,3,temp); - emit_writeword(temp,®_cop2d[11]); - emit_writeword(sl,®_cop2d[28]); - break; - case 30: - emit_movs(sl,temp); - emit_mvnmi(temp,temp); -#ifdef HAVE_ARMV5 - emit_clz(temp,temp); -#else - emit_movs(temp,HOST_TEMPREG); - emit_movimm(0,temp); - emit_jeq((int)out+4*4); - emit_addpl_imm(temp,1,temp); - emit_lslpls_imm(HOST_TEMPREG,1,HOST_TEMPREG); - emit_jns((int)out-2*4); -#endif - emit_writeword(sl,®_cop2d[30]); - emit_writeword(temp,®_cop2d[31]); - break; - case 31: - break; - default: - emit_writeword(sl,®_cop2d[copr]); - break; - } -} - -static 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&&rt1[i]!=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&&rt1[i]!=0) - emit_readword(®_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,®_cop2c[copr]); - assert(sl>=0); - } -} - static void c2op_prologue(u_int op,u_int reglist) { save_regs_all(reglist); @@ -3359,22 +2510,6 @@ static void c2op_assemble(int i,struct regstat *i_regs) } } -static void cop1_unusable(int i,struct regstat *i_regs) -{ - // XXX: should just just do the exception instead - //if(!cop1_usable) - { - void *jaddr=out; - emit_jmp(0); - add_stub_r(FP_STUB,jaddr,out,i,0,i_regs,is_delayslot,0); - } -} - -static void cop1_assemble(int i,struct regstat *i_regs) -{ - cop1_unusable(i, i_regs); -} - static void multdiv_assemble_arm(int i,struct regstat *i_regs) { // case 0x18: MULT @@ -3546,29 +2681,6 @@ static void do_miniht_insert(u_int return_address,int rt,int temp) { #endif } -static void wb_valid(signed char pre[],signed char entry[],u_int dirty_pre,u_int dirty,uint64_t is32_pre,uint64_t u) -{ - //if(dirty_pre==dirty) return; - int hr,reg; - for(hr=0;hr>(reg&63))&1) { - if(reg>0) { - if(((dirty_pre&~dirty)>>hr)&1) { - if(reg>0&®<34) { - emit_storereg(reg,hr); - } - else if(reg>=64) { - assert(0); - } - } - } - } - } - } -} - static void mark_clear_cache(void *target) { u_long offset = (u_char *)target - translation_cache;