diff options
| -rw-r--r-- | target/sparc/insns.decode | 7 | ||||
| -rw-r--r-- | target/sparc/translate.c | 72 |
2 files changed, 36 insertions, 43 deletions
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index 9c45973..82c484f 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -240,6 +240,8 @@ RETRY 10 00001 111110 00000 0 0000000000000 @r_r_r_asi .. rd:5 ...... rs1:5 0 asi:8 rs2_or_imm:5 &r_r_ri_asi imm=0 @r_r_i_asi .. rd:5 ...... rs1:5 1 rs2_or_imm:s13 \ &r_r_ri_asi imm=1 asi=-2 +@casa_imm .. rd:5 ...... rs1:5 1 00000000 rs2_or_imm:5 \ + &r_r_ri_asi imm=1 asi=-2 LDUW 11 ..... 000000 ..... . ............. @r_r_ri_na LDUB 11 ..... 000001 ..... . ............. @r_r_ri_na @@ -292,6 +294,11 @@ SWAP 11 ..... 001111 ..... . ............. @r_r_ri_na SWAP 11 ..... 011111 ..... . ............. @r_r_r_asi # SWAPA SWAP 11 ..... 011111 ..... . ............. @r_r_i_asi # SWAPA +CASA 11 ..... 111100 ..... . ............. @r_r_r_asi +CASA 11 ..... 111100 ..... . ............. @casa_imm +CASXA 11 ..... 111110 ..... . ............. @r_r_r_asi +CASXA 11 ..... 111110 ..... . ............. @casa_imm + NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1 NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2 diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 29bfc98..2175c00 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -2268,8 +2268,8 @@ static void gen_swap_asi(DisasContext *dc, DisasASI *da, } } -static void gen_cas_asi0(DisasContext *dc, DisasASI *da, - TCGv oldv, TCGv newv, TCGv cmpv, TCGv addr) +static void gen_cas_asi(DisasContext *dc, DisasASI *da, + TCGv oldv, TCGv newv, TCGv cmpv, TCGv addr) { switch (da->type) { case GET_ASI_EXCP: @@ -2285,30 +2285,6 @@ static void gen_cas_asi0(DisasContext *dc, DisasASI *da, } } -static void __attribute__((unused)) -gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd) -{ - DisasASI da = get_asi(dc, insn, MO_TEUL); - TCGv oldv = gen_dest_gpr(dc, rd); - TCGv newv = gen_load_gpr(dc, rd); - - gen_address_mask(dc, addr); - gen_cas_asi0(dc, &da, oldv, newv, cmpv, addr); - gen_store_gpr(dc, rd, oldv); -} - -static void __attribute__((unused)) -gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv, int insn, int rd) -{ - DisasASI da = get_asi(dc, insn, MO_TEUQ); - TCGv oldv = gen_dest_gpr(dc, rd); - TCGv newv = gen_load_gpr(dc, rd); - - gen_address_mask(dc, addr); - gen_cas_asi0(dc, &da, oldv, newv, cmpv, addr); - gen_store_gpr(dc, rd, oldv); -} - static void gen_ldstub_asi(DisasContext *dc, DisasASI *da, TCGv dst, TCGv addr) { switch (da->type) { @@ -2913,6 +2889,7 @@ static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2) #ifdef TARGET_SPARC64 # define avail_32(C) false # define avail_ASR17(C) false +# define avail_CASA(C) true # define avail_DIV(C) true # define avail_MUL(C) true # define avail_POWERDOWN(C) false @@ -2922,6 +2899,7 @@ static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2) #else # define avail_32(C) true # define avail_ASR17(C) ((C)->def->features & CPU_FEATURE_ASR17) +# define avail_CASA(C) ((C)->def->features & CPU_FEATURE_CASA) # define avail_DIV(C) ((C)->def->features & CPU_FEATURE_DIV) # define avail_MUL(C) ((C)->def->features & CPU_FEATURE_MUL) # define avail_POWERDOWN(C) ((C)->def->features & CPU_FEATURE_POWERDOWN) @@ -4616,6 +4594,28 @@ static bool trans_SWAP(DisasContext *dc, arg_r_r_ri_asi *a) return advance_pc(dc); } +static bool do_casa(DisasContext *dc, arg_r_r_ri_asi *a, MemOp mop) +{ + TCGv addr, o, n, c; + DisasASI da; + + addr = gen_ldst_addr(dc, a->rs1, true, 0); + if (addr == NULL) { + return false; + } + da = resolve_asi(dc, a->asi, mop); + + o = gen_dest_gpr(dc, a->rd); + n = gen_load_gpr(dc, a->rd); + c = gen_load_gpr(dc, a->rs2_or_imm); + gen_cas_asi(dc, &da, o, n, c, addr); + gen_store_gpr(dc, a->rd, o); + return advance_pc(dc); +} + +TRANS(CASA, CASA, do_casa, a, MO_TEUL) +TRANS(CASXA, 64, do_casa, a, MO_TEUQ) + #define CHECK_IU_FEATURE(dc, FEATURE) \ if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \ goto illegal_insn; @@ -5419,9 +5419,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) TCGv cpu_addr = tcg_temp_new(); tcg_gen_mov_tl(cpu_addr, get_src1(dc, insn)); - if (xop == 0x3c || xop == 0x3e) { - /* V9 casa/casxa : no offset */ - } else if (IS_IMM) { /* immediate */ + if (IS_IMM) { /* immediate */ simm = GET_FIELDs(insn, 19, 31); if (simm != 0) { tcg_gen_addi_tl(cpu_addr, cpu_addr, simm); @@ -5634,22 +5632,10 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) } gen_stf_asi(dc, cpu_addr, insn, 8, DFPREG(rd)); break; - case 0x3e: /* V9 casxa */ - rs2 = GET_FIELD(insn, 27, 31); - cpu_src2 = gen_load_gpr(dc, rs2); - gen_casx_asi(dc, cpu_addr, cpu_src2, insn, rd); - break; #endif -#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64) + case 0x3e: /* V9 casxa */ case 0x3c: /* V9 or LEON3 casa */ -#ifndef TARGET_SPARC64 - CHECK_IU_FEATURE(dc, CASA); -#endif - rs2 = GET_FIELD(insn, 27, 31); - cpu_src2 = gen_load_gpr(dc, rs2); - gen_cas_asi(dc, cpu_addr, cpu_src2, insn, rd); - break; -#endif + goto illegal_insn; /* in decodetree */ default: goto illegal_insn; } |