static void disas_sparc_insn(DisasContext * dc) { unsigned int insn, opc, rs1, rs2, rd; insn = ldl_code(dc->pc); opc = GET_FIELD(insn, 0, 1); rd = GET_FIELD(insn, 2, 6); switch (opc) { case 0: /* branches/sethi */ { unsigned int xop = GET_FIELD(insn, 7, 9); int32_t target; switch (xop) { #ifdef TARGET_SPARC64 case 0x1: /* V9 BPcc */ { int cc; target = GET_FIELD_SP(insn, 0, 18); target = sign_extend(target, 18); target <<= 2; cc = GET_FIELD_SP(insn, 20, 21); if (cc == 0) do_branch(dc, target, insn, 0); else if (cc == 2) do_branch(dc, target, insn, 1); else goto jmp_insn; } case 0x3: /* V9 BPr */ { target = GET_FIELD_SP(insn, 0, 13) | (GET_FIELD_SP(insn, 20, 21) << 14); target = sign_extend(target, 16); target <<= 2; rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); do_branch_reg(dc, target, insn); goto jmp_insn; } case 0x5: /* V9 FBPcc */ { int cc = GET_FIELD_SP(insn, 20, 21); if (gen_trap_ifnofpu(dc)) goto jmp_insn; target = GET_FIELD_SP(insn, 0, 18); target = sign_extend(target, 19); target <<= 2; do_fbranch(dc, target, insn, cc); goto jmp_insn; } #endif case 0x2: /* BN+x */ { target = GET_FIELD(insn, 10, 31); target = sign_extend(target, 22); target <<= 2; do_branch(dc, target, insn, 0); goto jmp_insn; } case 0x6: /* FBN+x */ { if (gen_trap_ifnofpu(dc)) goto jmp_insn; target = GET_FIELD(insn, 10, 31); target = sign_extend(target, 22); target <<= 2; do_fbranch(dc, target, insn, 0); goto jmp_insn; } case 0x4: /* SETHI */ #define OPTIM #if defined(OPTIM) if (rd) { // nop #endif uint32_t value = GET_FIELD(insn, 10, 31); gen_movl_imm_T0(value << 10); gen_movl_T0_reg(rd); #if defined(OPTIM) } #endif break; case 0x0: /* UNIMPL */ default: } break; } break; case 1: /*CALL*/ { target_long target = GET_FIELDs(insn, 2, 31) << 2; #ifdef TARGET_SPARC64 if (dc->pc == (uint32_t)dc->pc) { gen_op_movl_T0_im(dc->pc); } else { gen_op_movq_T0_im64(dc->pc >> 32, dc->pc); } #else gen_op_movl_T0_im(dc->pc); #endif gen_movl_T0_reg(15); target += dc->pc; gen_mov_pc_npc(dc); dc->npc = target; } goto jmp_insn; case 2: /* FPU & Logical Operations */ { unsigned int xop = GET_FIELD(insn, 7, 12); if (xop == 0x3a) { /* generate trap */ int cond; rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { rs2 = GET_FIELD(insn, 25, 31); #if defined(OPTIM) if (rs2 != 0) { #endif gen_movl_simm_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } else { rs2 = GET_FIELD(insn, 27, 31); #if defined(OPTIM) if (rs2 != 0) { #endif gen_movl_reg_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } cond = GET_FIELD(insn, 3, 6); if (cond == 0x8) { save_state(dc); gen_op_trap_T0(); } else if (cond != 0) { #ifdef TARGET_SPARC64 /* V9 icc/xcc */ int cc = GET_FIELD_SP(insn, 11, 12); flush_T2(dc); save_state(dc); if (cc == 0) gen_cond[0][cond](); else if (cc == 2) gen_cond[1][cond](); else #else flush_T2(dc); save_state(dc); gen_cond[0][cond](); #endif gen_op_trapcc_T0(); } gen_op_next_insn(); gen_op_movl_T0_0(); gen_op_exit_tb(); dc->is_br = 1; goto jmp_insn; } else if (xop == 0x28) { rs1 = GET_FIELD(insn, 13, 17); switch(rs1) { case 0: /* rdy */ #ifndef TARGET_SPARC64 case 0x01 ... 0x0e: /* undefined in the SPARCv8 manual, rdy on the microSPARC II */ case 0x0f: /* stbar in the SPARCv8 manual, rdy on the microSPARC II */ case 0x10 ... 0x1f: /* implementation-dependent in the SPARCv8 manual, rdy on the microSPARC II */ #endif gen_op_movtl_T0_env(offsetof(CPUSPARCState, y)); gen_movl_T0_reg(rd); break; #ifdef TARGET_SPARC64 case 0x2: /* V9 rdccr */ gen_op_rdccr(); gen_movl_T0_reg(rd); break; case 0x3: /* V9 rdasi */ gen_op_movl_T0_env(offsetof(CPUSPARCState, asi)); gen_movl_T0_reg(rd); break; case 0x4: /* V9 rdtick */ gen_op_rdtick(); gen_movl_T0_reg(rd); break; case 0x5: /* V9 rdpc */ if (dc->pc == (uint32_t)dc->pc) { gen_op_movl_T0_im(dc->pc); } else { gen_op_movq_T0_im64(dc->pc >> 32, dc->pc); } gen_movl_T0_reg(rd); break; case 0x6: /* V9 rdfprs */ gen_op_movl_T0_env(offsetof(CPUSPARCState, fprs)); gen_movl_T0_reg(rd); break; case 0xf: /* V9 membar */ break; /* no effect */ case 0x13: /* Graphics Status */ if (gen_trap_ifnofpu(dc)) goto jmp_insn; gen_op_movtl_T0_env(offsetof(CPUSPARCState, gsr)); gen_movl_T0_reg(rd); break; case 0x17: /* Tick compare */ gen_op_movtl_T0_env(offsetof(CPUSPARCState, tick_cmpr)); gen_movl_T0_reg(rd); break; case 0x18: /* System tick */ gen_op_rdtick(); // XXX gen_movl_T0_reg(rd); break; case 0x19: /* System tick compare */ gen_op_movtl_T0_env(offsetof(CPUSPARCState, stick_cmpr)); gen_movl_T0_reg(rd); break; case 0x10: /* Performance Control */ case 0x11: /* Performance Instrumentation Counter */ case 0x12: /* Dispatch Control */ case 0x14: /* Softint set, WO */ case 0x15: /* Softint clear, WO */ case 0x16: /* Softint write */ #endif default: } #if !defined(CONFIG_USER_ONLY) #ifndef TARGET_SPARC64 } else if (xop == 0x29) { /* rdpsr / V9 unimp */ if (!supervisor(dc)) goto priv_insn; gen_op_rdpsr(); gen_movl_T0_reg(rd); break; #endif } else if (xop == 0x2a) { /* rdwim / V9 rdpr */ if (!supervisor(dc)) goto priv_insn; #ifdef TARGET_SPARC64 rs1 = GET_FIELD(insn, 13, 17); switch (rs1) { case 0: // tpc gen_op_rdtpc(); break; case 1: // tnpc gen_op_rdtnpc(); break; case 2: // tstate gen_op_rdtstate(); break; case 3: // tt gen_op_rdtt(); break; case 4: // tick gen_op_rdtick(); break; case 5: // tba gen_op_movtl_T0_env(offsetof(CPUSPARCState, tbr)); break; case 6: // pstate gen_op_rdpstate(); break; case 7: // tl gen_op_movl_T0_env(offsetof(CPUSPARCState, tl)); break; case 8: // pil gen_op_movl_T0_env(offsetof(CPUSPARCState, psrpil)); break; case 9: // cwp gen_op_rdcwp(); break; case 10: // cansave gen_op_movl_T0_env(offsetof(CPUSPARCState, cansave)); break; case 11: // canrestore gen_op_movl_T0_env(offsetof(CPUSPARCState, canrestore)); break; case 12: // cleanwin gen_op_movl_T0_env(offsetof(CPUSPARCState, cleanwin)); break; case 13: // otherwin gen_op_movl_T0_env(offsetof(CPUSPARCState, otherwin)); break; case 14: // wstate gen_op_movl_T0_env(offsetof(CPUSPARCState, wstate)); break; case 31: // ver gen_op_movtl_T0_env(offsetof(CPUSPARCState, version)); break; case 15: // fq default: } #else gen_op_movl_T0_env(offsetof(CPUSPARCState, wim)); #endif gen_movl_T0_reg(rd); break; } else if (xop == 0x2b) { /* rdtbr / V9 flushw */ #ifdef TARGET_SPARC64 gen_op_flushw(); #else if (!supervisor(dc)) goto priv_insn; gen_op_movtl_T0_env(offsetof(CPUSPARCState, tbr)); gen_movl_T0_reg(rd); #endif break; #endif } else if (xop == 0x34) { /* FPU Operations */ if (gen_trap_ifnofpu(dc)) goto jmp_insn; rs1 = GET_FIELD(insn, 13, 17); rs2 = GET_FIELD(insn, 27, 31); xop = GET_FIELD(insn, 18, 26); switch (xop) { case 0x1: /* fmovs */ gen_op_load_fpr_FT0(rs2); gen_op_store_FT0_fpr(rd); break; case 0x5: /* fnegs */ gen_op_load_fpr_FT1(rs2); gen_op_fnegs(); gen_op_store_FT0_fpr(rd); break; case 0x9: /* fabss */ gen_op_load_fpr_FT1(rs2); gen_op_fabss(); gen_op_store_FT0_fpr(rd); break; case 0x29: /* fsqrts */ gen_op_load_fpr_FT1(rs2); gen_op_fsqrts(); gen_op_store_FT0_fpr(rd); break; case 0x2a: /* fsqrtd */ gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fsqrtd(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x2b: /* fsqrtq */ goto nfpu_insn; case 0x41: gen_op_load_fpr_FT0(rs1); gen_op_load_fpr_FT1(rs2); gen_op_fadds(); gen_op_store_FT0_fpr(rd); break; case 0x42: gen_op_load_fpr_DT0(DFPREG(rs1)); gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_faddd(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x43: /* faddq */ goto nfpu_insn; case 0x45: gen_op_load_fpr_FT0(rs1); gen_op_load_fpr_FT1(rs2); gen_op_fsubs(); gen_op_store_FT0_fpr(rd); break; case 0x46: gen_op_load_fpr_DT0(DFPREG(rs1)); gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fsubd(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x47: /* fsubq */ goto nfpu_insn; case 0x49: gen_op_load_fpr_FT0(rs1); gen_op_load_fpr_FT1(rs2); gen_op_fmuls(); gen_op_store_FT0_fpr(rd); break; case 0x4a: gen_op_load_fpr_DT0(DFPREG(rs1)); gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fmuld(); gen_op_store_DT0_fpr(rd); break; case 0x4b: /* fmulq */ goto nfpu_insn; case 0x4d: gen_op_load_fpr_FT0(rs1); gen_op_load_fpr_FT1(rs2); gen_op_fdivs(); gen_op_store_FT0_fpr(rd); break; case 0x4e: gen_op_load_fpr_DT0(DFPREG(rs1)); gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fdivd(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x4f: /* fdivq */ goto nfpu_insn; case 0x69: gen_op_load_fpr_FT0(rs1); gen_op_load_fpr_FT1(rs2); gen_op_fsmuld(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x6e: /* fdmulq */ goto nfpu_insn; case 0xc4: gen_op_load_fpr_FT1(rs2); gen_op_fitos(); gen_op_store_FT0_fpr(rd); break; case 0xc6: gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fdtos(); gen_op_store_FT0_fpr(rd); break; case 0xc7: /* fqtos */ goto nfpu_insn; case 0xc8: gen_op_load_fpr_FT1(rs2); gen_op_fitod(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0xc9: gen_op_load_fpr_FT1(rs2); gen_op_fstod(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0xcb: /* fqtod */ goto nfpu_insn; case 0xcc: /* fitoq */ goto nfpu_insn; case 0xcd: /* fstoq */ goto nfpu_insn; case 0xce: /* fdtoq */ goto nfpu_insn; case 0xd1: gen_op_load_fpr_FT1(rs2); gen_op_fstoi(); gen_op_store_FT0_fpr(rd); break; case 0xd2: gen_op_load_fpr_DT1(rs2); gen_op_fdtoi(); gen_op_store_FT0_fpr(rd); break; case 0xd3: /* fqtoi */ goto nfpu_insn; #ifdef TARGET_SPARC64 case 0x2: /* V9 fmovd */ gen_op_load_fpr_DT0(DFPREG(rs2)); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x6: /* V9 fnegd */ gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fnegd(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0xa: /* V9 fabsd */ gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fabsd(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x81: /* V9 fstox */ gen_op_load_fpr_FT1(rs2); gen_op_fstox(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x82: /* V9 fdtox */ gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fdtox(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x84: /* V9 fxtos */ gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fxtos(); gen_op_store_FT0_fpr(rd); break; case 0x88: /* V9 fxtod */ gen_op_load_fpr_DT1(DFPREG(rs2)); gen_op_fxtod(); gen_op_store_DT0_fpr(DFPREG(rd)); break; case 0x3: /* V9 fmovq */ case 0x7: /* V9 fnegq */ case 0xb: /* V9 fabsq */ case 0x83: /* V9 fqtox */ case 0x8c: /* V9 fxtoq */ goto nfpu_insn; #endif default: } } else if (xop == 0x35) { /* FPU Operations */ #ifdef TARGET_SPARC64 int cond; #endif if (gen_trap_ifnofpu(dc)) goto jmp_insn; rs1 = GET_FIELD(insn, 13, 17); rs2 = GET_FIELD(insn, 27, 31); xop = GET_FIELD(insn, 18, 26); #ifdef TARGET_SPARC64 if ((xop & 0x11f) == 0x005) { // V9 fmovsr cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_FT0(rd); gen_op_load_fpr_FT1(rs2); rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); flush_T2(dc); gen_cond_reg(cond); gen_op_fmovs_cc(); gen_op_store_FT0_fpr(rd); break; } else if ((xop & 0x11f) == 0x006) { // V9 fmovdr cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_DT0(rd); gen_op_load_fpr_DT1(rs2); flush_T2(dc); rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); gen_cond_reg(cond); gen_op_fmovs_cc(); gen_op_store_DT0_fpr(rd); break; } else if ((xop & 0x11f) == 0x007) { // V9 fmovqr goto nfpu_insn; } #endif switch (xop) { #ifdef TARGET_SPARC64 case 0x001: /* V9 fmovscc %fcc0 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_FT0(rd); gen_op_load_fpr_FT1(rs2); flush_T2(dc); gen_fcond[0][cond](); gen_op_fmovs_cc(); gen_op_store_FT0_fpr(rd); break; case 0x002: /* V9 fmovdcc %fcc0 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_DT0(rd); gen_op_load_fpr_DT1(rs2); flush_T2(dc); gen_fcond[0][cond](); gen_op_fmovd_cc(); gen_op_store_DT0_fpr(rd); break; case 0x003: /* V9 fmovqcc %fcc0 */ goto nfpu_insn; case 0x041: /* V9 fmovscc %fcc1 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_FT0(rd); gen_op_load_fpr_FT1(rs2); flush_T2(dc); gen_fcond[1][cond](); gen_op_fmovs_cc(); gen_op_store_FT0_fpr(rd); break; case 0x042: /* V9 fmovdcc %fcc1 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_DT0(rd); gen_op_load_fpr_DT1(rs2); flush_T2(dc); gen_fcond[1][cond](); gen_op_fmovd_cc(); gen_op_store_DT0_fpr(rd); break; case 0x043: /* V9 fmovqcc %fcc1 */ goto nfpu_insn; case 0x081: /* V9 fmovscc %fcc2 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_FT0(rd); gen_op_load_fpr_FT1(rs2); flush_T2(dc); gen_fcond[2][cond](); gen_op_fmovs_cc(); gen_op_store_FT0_fpr(rd); break; case 0x082: /* V9 fmovdcc %fcc2 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_DT0(rd); gen_op_load_fpr_DT1(rs2); flush_T2(dc); gen_fcond[2][cond](); gen_op_fmovd_cc(); gen_op_store_DT0_fpr(rd); break; case 0x083: /* V9 fmovqcc %fcc2 */ goto nfpu_insn; case 0x0c1: /* V9 fmovscc %fcc3 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_FT0(rd); gen_op_load_fpr_FT1(rs2); flush_T2(dc); gen_fcond[3][cond](); gen_op_fmovs_cc(); gen_op_store_FT0_fpr(rd); break; case 0x0c2: /* V9 fmovdcc %fcc3 */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_DT0(rd); gen_op_load_fpr_DT1(rs2); flush_T2(dc); gen_fcond[3][cond](); gen_op_fmovd_cc(); gen_op_store_DT0_fpr(rd); break; case 0x0c3: /* V9 fmovqcc %fcc3 */ goto nfpu_insn; case 0x101: /* V9 fmovscc %icc */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_FT0(rd); gen_op_load_fpr_FT1(rs2); flush_T2(dc); gen_cond[0][cond](); gen_op_fmovs_cc(); gen_op_store_FT0_fpr(rd); break; case 0x102: /* V9 fmovdcc %icc */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_DT0(rd); gen_op_load_fpr_DT1(rs2); flush_T2(dc); gen_cond[0][cond](); gen_op_fmovd_cc(); gen_op_store_DT0_fpr(rd); break; case 0x103: /* V9 fmovqcc %icc */ goto nfpu_insn; case 0x181: /* V9 fmovscc %xcc */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_FT0(rd); gen_op_load_fpr_FT1(rs2); flush_T2(dc); gen_cond[1][cond](); gen_op_fmovs_cc(); gen_op_store_FT0_fpr(rd); break; case 0x182: /* V9 fmovdcc %xcc */ cond = GET_FIELD_SP(insn, 14, 17); gen_op_load_fpr_DT0(rd); gen_op_load_fpr_DT1(rs2); flush_T2(dc); gen_cond[1][cond](); gen_op_fmovd_cc(); gen_op_store_DT0_fpr(rd); break; case 0x183: /* V9 fmovqcc %xcc */ goto nfpu_insn; #endif case 0x51: /* V9 %fcc */ gen_op_load_fpr_FT0(rs1); gen_op_load_fpr_FT1(rs2); #ifdef TARGET_SPARC64 gen_fcmps[rd & 3](); #else gen_op_fcmps(); #endif break; case 0x52: /* V9 %fcc */ gen_op_load_fpr_DT0(DFPREG(rs1)); gen_op_load_fpr_DT1(DFPREG(rs2)); #ifdef TARGET_SPARC64 gen_fcmpd[rd & 3](); #else gen_op_fcmpd(); #endif break; case 0x53: /* fcmpq */ goto nfpu_insn; case 0x55: /* fcmpes, V9 %fcc */ gen_op_load_fpr_FT0(rs1); gen_op_load_fpr_FT1(rs2); #ifdef TARGET_SPARC64 gen_fcmps[rd & 3](); #else gen_op_fcmps(); /* XXX should trap if qNaN or sNaN */ #endif break; case 0x56: /* fcmped, V9 %fcc */ gen_op_load_fpr_DT0(DFPREG(rs1)); gen_op_load_fpr_DT1(DFPREG(rs2)); #ifdef TARGET_SPARC64 gen_fcmpd[rd & 3](); #else gen_op_fcmpd(); /* XXX should trap if qNaN or sNaN */ #endif break; case 0x57: /* fcmpeq */ goto nfpu_insn; default: } #if defined(OPTIM) } else if (xop == 0x2) { // clr/mov shortcut rs1 = GET_FIELD(insn, 13, 17); if (rs1 == 0) { // or %g0, x, y -> mov T1, x; mov y, T1 if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 19, 31); gen_movl_simm_T1(rs2); } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); gen_movl_reg_T1(rs2); } gen_movl_T1_reg(rd); } else { gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ // or x, #0, y -> mov T1, x; mov y, T1 rs2 = GET_FIELDs(insn, 19, 31); if (rs2 != 0) { gen_movl_simm_T1(rs2); gen_op_or_T1_T0(); } } else { /* register */ // or x, %g0, y -> mov T1, x; mov y, T1 rs2 = GET_FIELD(insn, 27, 31); if (rs2 != 0) { gen_movl_reg_T1(rs2); gen_op_or_T1_T0(); } } gen_movl_T0_reg(rd); } #endif #ifdef TARGET_SPARC64 } else if (xop == 0x25) { /* sll, V9 sllx ( == sll) */ rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 20, 31); gen_movl_simm_T1(rs2); } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); gen_movl_reg_T1(rs2); } gen_op_sll(); gen_movl_T0_reg(rd); } else if (xop == 0x26) { /* srl, V9 srlx */ rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 20, 31); gen_movl_simm_T1(rs2); } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); gen_movl_reg_T1(rs2); } if (insn & (1 << 12)) gen_op_srlx(); else gen_op_srl(); gen_movl_T0_reg(rd); } else if (xop == 0x27) { /* sra, V9 srax */ rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 20, 31); gen_movl_simm_T1(rs2); } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); gen_movl_reg_T1(rs2); } if (insn & (1 << 12)) gen_op_srax(); else gen_op_sra(); gen_movl_T0_reg(rd); #endif } else if (xop < 0x36) { rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 19, 31); gen_movl_simm_T1(rs2); } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); gen_movl_reg_T1(rs2); } if (xop < 0x20) { switch (xop & ~0x10) { case 0x0: if (xop & 0x10) gen_op_add_T1_T0_cc(); else gen_op_add_T1_T0(); break; case 0x1: gen_op_and_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0x2: gen_op_or_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0x3: gen_op_xor_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0x4: if (xop & 0x10) gen_op_sub_T1_T0_cc(); else gen_op_sub_T1_T0(); break; case 0x5: gen_op_andn_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0x6: gen_op_orn_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0x7: gen_op_xnor_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0x8: if (xop & 0x10) gen_op_addx_T1_T0_cc(); else gen_op_addx_T1_T0(); break; #ifdef TARGET_SPARC64 case 0x9: /* V9 mulx */ gen_op_mulx_T1_T0(); break; #endif case 0xa: gen_op_umul_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0xb: gen_op_smul_T1_T0(); if (xop & 0x10) gen_op_logic_T0_cc(); break; case 0xc: if (xop & 0x10) gen_op_subx_T1_T0_cc(); else gen_op_subx_T1_T0(); break; #ifdef TARGET_SPARC64 case 0xd: /* V9 udivx */ gen_op_udivx_T1_T0(); break; #endif case 0xe: gen_op_udiv_T1_T0(); if (xop & 0x10) gen_op_div_cc(); break; case 0xf: gen_op_sdiv_T1_T0(); if (xop & 0x10) gen_op_div_cc(); break; default: } gen_movl_T0_reg(rd); } else { switch (xop) { case 0x20: /* taddcc */ gen_op_tadd_T1_T0_cc(); gen_movl_T0_reg(rd); break; case 0x21: /* tsubcc */ gen_op_tsub_T1_T0_cc(); gen_movl_T0_reg(rd); break; case 0x22: /* taddcctv */ gen_op_tadd_T1_T0_ccTV(); gen_movl_T0_reg(rd); break; case 0x23: /* tsubcctv */ gen_op_tsub_T1_T0_ccTV(); gen_movl_T0_reg(rd); break; case 0x24: /* mulscc */ gen_op_mulscc_T1_T0(); gen_movl_T0_reg(rd); break; #ifndef TARGET_SPARC64 case 0x25: /* sll */ gen_op_sll(); gen_movl_T0_reg(rd); break; case 0x26: /* srl */ gen_op_srl(); gen_movl_T0_reg(rd); break; case 0x27: /* sra */ gen_op_sra(); gen_movl_T0_reg(rd); break; #endif case 0x30: { switch(rd) { case 0: /* wry */ gen_op_xor_T1_T0(); gen_op_movtl_env_T0(offsetof(CPUSPARCState, y)); break; #ifndef TARGET_SPARC64 case 0x01 ... 0x0f: /* undefined in the SPARCv8 manual, nop on the microSPARC II */ case 0x10 ... 0x1f: /* implementation-dependent in the SPARCv8 manual, nop on the microSPARC II */ break; #else case 0x2: /* V9 wrccr */ gen_op_wrccr(); break; case 0x3: /* V9 wrasi */ gen_op_movl_env_T0(offsetof(CPUSPARCState, asi)); break; case 0x6: /* V9 wrfprs */ gen_op_movl_env_T0(offsetof(CPUSPARCState, fprs)); break; case 0xf: /* V9 sir, nop if user */ #if !defined(CONFIG_USER_ONLY) if (supervisor(dc)) gen_op_sir(); #endif break; case 0x13: /* Graphics Status */ if (gen_trap_ifnofpu(dc)) goto jmp_insn; gen_op_movtl_env_T0(offsetof(CPUSPARCState, gsr)); break; case 0x17: /* Tick compare */ #if !defined(CONFIG_USER_ONLY) if (!supervisor(dc)) #endif gen_op_movtl_env_T0(offsetof(CPUSPARCState, tick_cmpr)); break; case 0x18: /* System tick */ #if !defined(CONFIG_USER_ONLY) if (!supervisor(dc)) #endif gen_op_movtl_env_T0(offsetof(CPUSPARCState, stick_cmpr)); break; case 0x19: /* System tick compare */ #if !defined(CONFIG_USER_ONLY) if (!supervisor(dc)) #endif gen_op_movtl_env_T0(offsetof(CPUSPARCState, stick_cmpr)); break; case 0x10: /* Performance Control */ case 0x11: /* Performance Instrumentation Counter */ case 0x12: /* Dispatch Control */ case 0x14: /* Softint set */ case 0x15: /* Softint clear */ case 0x16: /* Softint write */ #endif default: } } break; #if !defined(CONFIG_USER_ONLY) case 0x31: /* wrpsr, V9 saved, restored */ { if (!supervisor(dc)) goto priv_insn; #ifdef TARGET_SPARC64 switch (rd) { case 0: gen_op_saved(); break; case 1: gen_op_restored(); break; default: } #else gen_op_xor_T1_T0(); gen_op_wrpsr(); save_state(dc); gen_op_next_insn(); gen_op_movl_T0_0(); gen_op_exit_tb(); dc->is_br = 1; #endif } break; case 0x32: /* wrwim, V9 wrpr */ { if (!supervisor(dc)) goto priv_insn; gen_op_xor_T1_T0(); #ifdef TARGET_SPARC64 switch (rd) { case 0: // tpc gen_op_wrtpc(); break; case 1: // tnpc gen_op_wrtnpc(); break; case 2: // tstate gen_op_wrtstate(); break; case 3: // tt gen_op_wrtt(); break; case 4: // tick gen_op_wrtick(); break; case 5: // tba gen_op_movtl_env_T0(offsetof(CPUSPARCState, tbr)); break; case 6: // pstate gen_op_wrpstate(); save_state(dc); gen_op_next_insn(); gen_op_movl_T0_0(); gen_op_exit_tb(); dc->is_br = 1; break; case 7: // tl gen_op_movl_env_T0(offsetof(CPUSPARCState, tl)); break; case 8: // pil gen_op_movl_env_T0(offsetof(CPUSPARCState, psrpil)); break; case 9: // cwp gen_op_wrcwp(); break; case 10: // cansave gen_op_movl_env_T0(offsetof(CPUSPARCState, cansave)); break; case 11: // canrestore gen_op_movl_env_T0(offsetof(CPUSPARCState, canrestore)); break; case 12: // cleanwin gen_op_movl_env_T0(offsetof(CPUSPARCState, cleanwin)); break; case 13: // otherwin gen_op_movl_env_T0(offsetof(CPUSPARCState, otherwin)); break; case 14: // wstate gen_op_movl_env_T0(offsetof(CPUSPARCState, wstate)); break; default: } #else gen_op_wrwim(); #endif } break; #ifndef TARGET_SPARC64 case 0x33: /* wrtbr, V9 unimp */ { if (!supervisor(dc)) goto priv_insn; gen_op_xor_T1_T0(); gen_op_movtl_env_T0(offsetof(CPUSPARCState, tbr)); } break; #endif #endif #ifdef TARGET_SPARC64 case 0x2c: /* V9 movcc */ { int cc = GET_FIELD_SP(insn, 11, 12); int cond = GET_FIELD_SP(insn, 14, 17); if (IS_IMM) { /* immediate */ rs2 = GET_FIELD_SPs(insn, 0, 10); gen_movl_simm_T1(rs2); } else { rs2 = GET_FIELD_SP(insn, 0, 4); gen_movl_reg_T1(rs2); } gen_movl_reg_T0(rd); flush_T2(dc); if (insn & (1 << 18)) { if (cc == 0) gen_cond[0][cond](); else if (cc == 2) gen_cond[1][cond](); else } else { gen_fcond[cc][cond](); } gen_op_mov_cc(); gen_movl_T0_reg(rd); break; } case 0x2d: /* V9 sdivx */ gen_op_sdivx_T1_T0(); gen_movl_T0_reg(rd); break; case 0x2e: /* V9 popc */ { if (IS_IMM) { /* immediate */ rs2 = GET_FIELD_SPs(insn, 0, 12); gen_movl_simm_T1(rs2); // XXX optimize: popc(constant) } else { rs2 = GET_FIELD_SP(insn, 0, 4); gen_movl_reg_T1(rs2); } gen_op_popc(); gen_movl_T0_reg(rd); } case 0x2f: /* V9 movr */ { int cond = GET_FIELD_SP(insn, 10, 12); rs1 = GET_FIELD(insn, 13, 17); flush_T2(dc); gen_movl_reg_T0(rs1); gen_cond_reg(cond); if (IS_IMM) { /* immediate */ rs2 = GET_FIELD_SPs(insn, 0, 10); gen_movl_simm_T1(rs2); } else { rs2 = GET_FIELD_SP(insn, 0, 4); gen_movl_reg_T1(rs2); } gen_movl_reg_T0(rd); gen_op_mov_cc(); gen_movl_T0_reg(rd); break; } case 0x36: /* UltraSparc shutdown, VIS */ { int opf = GET_FIELD_SP(insn, 5, 13); rs1 = GET_FIELD(insn, 13, 17); rs2 = GET_FIELD(insn, 27, 31); switch (opf) { case 0x018: /* VIS I alignaddr */ if (gen_trap_ifnofpu(dc)) goto jmp_insn; gen_movl_reg_T0(rs1); gen_movl_reg_T1(rs2); gen_op_alignaddr(); gen_movl_T0_reg(rd); break; case 0x01a: /* VIS I alignaddrl */ if (gen_trap_ifnofpu(dc)) goto jmp_insn; // XXX break; case 0x048: /* VIS I faligndata */ if (gen_trap_ifnofpu(dc)) goto jmp_insn; gen_op_load_fpr_DT0(rs1); gen_op_load_fpr_DT1(rs2); gen_op_faligndata(); gen_op_store_DT0_fpr(rd); break; default: } break; } #endif default: } } } else if (xop == 0x36 || xop == 0x37) { /* CPop1 & CPop2, V9 impdep1 & impdep2 */ #ifdef TARGET_SPARC64 #else goto ncp_insn; #endif #ifdef TARGET_SPARC64 } else if (xop == 0x39) { /* V9 return */ rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 19, 31); #if defined(OPTIM) if (rs2) { #endif gen_movl_simm_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); #if defined(OPTIM) if (rs2) { #endif gen_movl_reg_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } gen_op_restore(); gen_mov_pc_npc(dc); gen_op_movl_npc_T0(); dc->npc = DYNAMIC_PC; goto jmp_insn; #endif } else { rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 19, 31); #if defined(OPTIM) if (rs2) { #endif gen_movl_simm_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); #if defined(OPTIM) if (rs2) { #endif gen_movl_reg_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } switch (xop) { case 0x38: /* jmpl */ { if (rd != 0) { #ifdef TARGET_SPARC64 if (dc->pc == (uint32_t)dc->pc) { gen_op_movl_T1_im(dc->pc); } else { gen_op_movq_T1_im64(dc->pc >> 32, dc->pc); } #else gen_op_movl_T1_im(dc->pc); #endif gen_movl_T1_reg(rd); } gen_mov_pc_npc(dc); gen_op_movl_npc_T0(); dc->npc = DYNAMIC_PC; } goto jmp_insn; #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64) case 0x39: /* rett, V9 return */ { if (!supervisor(dc)) goto priv_insn; gen_mov_pc_npc(dc); gen_op_movl_npc_T0(); dc->npc = DYNAMIC_PC; gen_op_rett(); } goto jmp_insn; #endif case 0x3b: /* flush */ gen_op_flush_T0(); break; case 0x3c: /* save */ save_state(dc); gen_op_save(); gen_movl_T0_reg(rd); break; case 0x3d: /* restore */ save_state(dc); gen_op_restore(); gen_movl_T0_reg(rd); break; #if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64) case 0x3e: /* V9 done/retry */ { switch (rd) { case 0: if (!supervisor(dc)) goto priv_insn; dc->npc = DYNAMIC_PC; dc->pc = DYNAMIC_PC; gen_op_done(); goto jmp_insn; case 1: if (!supervisor(dc)) goto priv_insn; dc->npc = DYNAMIC_PC; dc->pc = DYNAMIC_PC; gen_op_retry(); goto jmp_insn; default: } } break; #endif default: } } break; } break; case 3: /* load/store instructions */ { unsigned int xop = GET_FIELD(insn, 7, 12); rs1 = GET_FIELD(insn, 13, 17); gen_movl_reg_T0(rs1); if (IS_IMM) { /* immediate */ rs2 = GET_FIELDs(insn, 19, 31); #if defined(OPTIM) if (rs2 != 0) { #endif gen_movl_simm_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); #if defined(OPTIM) if (rs2 != 0) { #endif gen_movl_reg_T1(rs2); gen_op_add_T1_T0(); #if defined(OPTIM) } #endif } if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) || \ (xop > 0x17 && xop < 0x1d ) || \ (xop > 0x2c && xop < 0x33) || xop == 0x1f) { switch (xop) { case 0x0: /* load word */ gen_op_ldst(ld); break; case 0x1: /* load unsigned byte */ gen_op_ldst(ldub); break; case 0x2: /* load unsigned halfword */ gen_op_ldst(lduh); break; case 0x3: /* load double word */ gen_op_ldst(ldd); gen_movl_T0_reg(rd + 1); break; case 0x9: /* load signed byte */ gen_op_ldst(ldsb); break; case 0xa: /* load signed halfword */ gen_op_ldst(ldsh); break; case 0xd: /* ldstub -- XXX: should be atomically */ gen_op_ldst(ldstub); break; case 0x0f: /* swap register with memory. Also atomically */ gen_movl_reg_T1(rd); gen_op_ldst(swap); break; #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64) case 0x10: /* load word alternate */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_lda(insn, 1, 4, 0); break; case 0x11: /* load unsigned byte alternate */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_lduba(insn, 1, 1, 0); break; case 0x12: /* load unsigned halfword alternate */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_lduha(insn, 1, 2, 0); break; case 0x13: /* load double word alternate */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_ldda(insn, 1, 8, 0); gen_movl_T0_reg(rd + 1); break; case 0x19: /* load signed byte alternate */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_ldsba(insn, 1, 1, 1); break; case 0x1a: /* load signed halfword alternate */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_ldsha(insn, 1, 2 ,1); break; case 0x1d: /* ldstuba -- XXX: should be atomically */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_ldstuba(insn, 1, 1, 0); break; case 0x1f: /* swap reg with alt. memory. Also atomically */ #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_movl_reg_T1(rd); gen_op_swapa(insn, 1, 4, 0); break; #ifndef TARGET_SPARC64 case 0x30: /* ldc */ case 0x31: /* ldcsr */ case 0x33: /* lddc */ case 0x34: /* stc */ case 0x35: /* stcsr */ case 0x36: /* stdcq */ case 0x37: /* stdc */ goto ncp_insn; break; /* avoid warnings */ (void) &gen_op_stfa; (void) &gen_op_stdfa; (void) &gen_op_ldfa; (void) &gen_op_lddfa; #else #if !defined(CONFIG_USER_ONLY) (void) &gen_op_cas; (void) &gen_op_casx; #endif #endif #endif #ifdef TARGET_SPARC64 case 0x08: /* V9 ldsw */ gen_op_ldst(ldsw); break; case 0x0b: /* V9 ldx */ gen_op_ldst(ldx); break; case 0x18: /* V9 ldswa */ gen_op_ldswa(insn, 1, 4, 1); break; case 0x1b: /* V9 ldxa */ gen_op_ldxa(insn, 1, 8, 0); break; case 0x2d: /* V9 prefetch, no effect */ goto skip_move; case 0x30: /* V9 ldfa */ gen_op_ldfa(insn, 1, 8, 0); // XXX break; case 0x33: /* V9 lddfa */ gen_op_lddfa(insn, 1, 8, 0); // XXX break; case 0x3d: /* V9 prefetcha, no effect */ goto skip_move; case 0x32: /* V9 ldqfa */ goto nfpu_insn; #endif default: } gen_movl_T1_reg(rd); #ifdef TARGET_SPARC64 skip_move: ; #endif } else if (xop >= 0x20 && xop < 0x24) { if (gen_trap_ifnofpu(dc)) goto jmp_insn; switch (xop) { case 0x20: /* load fpreg */ gen_op_ldst(ldf); gen_op_store_FT0_fpr(rd); break; case 0x21: /* load fsr */ gen_op_ldst(ldf); gen_op_ldfsr(); break; case 0x22: /* load quad fpreg */ goto nfpu_insn; case 0x23: /* load double fpreg */ gen_op_ldst(lddf); gen_op_store_DT0_fpr(DFPREG(rd)); break; default: } } else if (xop < 8 || (xop >= 0x14 && xop < 0x18) || \ xop == 0xe || xop == 0x1e) { gen_movl_reg_T1(rd); switch (xop) { case 0x4: gen_op_ldst(st); break; case 0x5: gen_op_ldst(stb); break; case 0x6: gen_op_ldst(sth); break; case 0x7: flush_T2(dc); gen_movl_reg_T2(rd + 1); gen_op_ldst(std); break; #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64) case 0x14: #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_sta(insn, 0, 4, 0); break; case 0x15: #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_stba(insn, 0, 1, 0); break; case 0x16: #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif gen_op_stha(insn, 0, 2, 0); break; case 0x17: #ifndef TARGET_SPARC64 if (IS_IMM) if (!supervisor(dc)) goto priv_insn; #endif flush_T2(dc); gen_movl_reg_T2(rd + 1); gen_op_stda(insn, 0, 8, 0); break; #endif #ifdef TARGET_SPARC64 case 0x0e: /* V9 stx */ gen_op_ldst(stx); break; case 0x1e: /* V9 stxa */ gen_op_stxa(insn, 0, 8, 0); // XXX break; #endif default: } } else if (xop > 0x23 && xop < 0x28) { if (gen_trap_ifnofpu(dc)) goto jmp_insn; switch (xop) { case 0x24: gen_op_load_fpr_FT0(rd); gen_op_ldst(stf); break; case 0x25: /* stfsr, V9 stxfsr */ gen_op_stfsr(); gen_op_ldst(stf); break; case 0x26: /* stdfq */ goto nfpu_insn; case 0x27: gen_op_load_fpr_DT0(DFPREG(rd)); gen_op_ldst(stdf); break; default: } } else if (xop > 0x33 && xop < 0x3f) { #ifdef TARGET_SPARC64 switch (xop) { case 0x34: /* V9 stfa */ gen_op_stfa(insn, 0, 0, 0); // XXX break; case 0x37: /* V9 stdfa */ gen_op_stdfa(insn, 0, 0, 0); // XXX break; case 0x3c: /* V9 casa */ gen_op_casa(insn, 0, 4, 0); // XXX break; case 0x3e: /* V9 casxa */ gen_op_casxa(insn, 0, 8, 0); // XXX break; case 0x36: /* V9 stqfa */ goto nfpu_insn; default: } #else #endif } else } break; } /* default case for non jump instructions */ if (dc->npc == DYNAMIC_PC) { dc->pc = DYNAMIC_PC; gen_op_next_insn(); } else if (dc->npc == JUMP_PC) { /* we can do a static jump */ gen_branch2(dc, (long)dc->tb, dc->jump_pc[0], dc->jump_pc[1]); dc->is_br = 1; } else { dc->pc = dc->npc; dc->npc = dc->npc + 4; } jmp_insn: return; illegal_insn: save_state(dc); gen_op_exception(TT_ILL_INSN); dc->is_br = 1; return; #if !defined(CONFIG_USER_ONLY) priv_insn: save_state(dc); gen_op_exception(TT_PRIV_INSN); dc->is_br = 1; return; #endif nfpu_insn: save_state(dc); gen_op_fpexception_im(FSR_FTT_UNIMPFPOP); dc->is_br = 1; return; #ifndef TARGET_SPARC64 ncp_insn: save_state(dc); gen_op_exception(TT_NCP_INSN); dc->is_br = 1; return; #endif }