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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id f20-20020a056a001ad400b006b2677d3684sm2434831pfv.206.2023.10.20.22.32.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 22:32:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk Subject: [PATCH v3 23/90] target/sparc: Move RDWIM, RDPR to decodetree Date: Fri, 20 Oct 2023 22:30:51 -0700 Message-Id: <20231021053158.278135-24-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231021053158.278135-1-richard.henderson@linaro.org> References: <20231021053158.278135-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::431; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x431.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson --- target/sparc/insns.decode | 22 +++ target/sparc/translate.c | 360 +++++++++++++++++++++++--------------- 2 files changed, 244 insertions(+), 138 deletions(-) diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index ac545c6821..99e4f8f671 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -54,6 +54,28 @@ RDHPR_htba 10 rd:5 101001 00101 0 0000000000000 RDHPR_hver 10 rd:5 101001 00110 0 0000000000000 RDHPR_hstick_cmpr 10 rd:5 101001 11111 0 0000000000000 +{ + RDWIM 10 rd:5 101010 00000 0 0000000000000 + RDPR_tpc 10 rd:5 101010 00000 0 0000000000000 +} +RDPR_tnpc 10 rd:5 101010 00001 0 0000000000000 +RDPR_tstate 10 rd:5 101010 00010 0 0000000000000 +RDPR_tt 10 rd:5 101010 00011 0 0000000000000 +RDPR_tick 10 rd:5 101010 00100 0 0000000000000 +RDPR_tba 10 rd:5 101010 00101 0 0000000000000 +RDPR_pstate 10 rd:5 101010 00110 0 0000000000000 +RDPR_tl 10 rd:5 101010 00111 0 0000000000000 +RDPR_pil 10 rd:5 101010 01000 0 0000000000000 +RDPR_cwp 10 rd:5 101010 01001 0 0000000000000 +RDPR_cansave 10 rd:5 101010 01010 0 0000000000000 +RDPR_canrestore 10 rd:5 101010 01011 0 0000000000000 +RDPR_cleanwin 10 rd:5 101010 01100 0 0000000000000 +RDPR_otherwin 10 rd:5 101010 01101 0 0000000000000 +RDPR_wstate 10 rd:5 101010 01110 0 0000000000000 +RDPR_gl 10 rd:5 101010 10000 0 0000000000000 +RDPR_strand_status 10 rd:5 101010 11010 0 0000000000000 +RDPR_ver 10 rd:5 101010 11111 0 0000000000000 + Tcc_r 10 0 cond:4 111010 rs1:5 0 cc:1 0000000 rs2:5 { # For v7, the entire simm13 field is present, but masked to 7 bits. diff --git a/target/sparc/translate.c b/target/sparc/translate.c index c6e137a235..70ebf3cf79 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -40,6 +40,7 @@ #define gen_helper_rdpsr(D, E) qemu_build_not_reached() #else #define gen_helper_rdccr(D, E) qemu_build_not_reached() +#define gen_helper_rdcwp(D, E) qemu_build_not_reached() #endif /* Dynamic PC, must exit to main loop. */ @@ -59,9 +60,7 @@ static TCGv_i32 cpu_psr; static TCGv cpu_fsr, cpu_pc, cpu_npc; static TCGv cpu_regs[32]; static TCGv cpu_y; -#ifndef CONFIG_USER_ONLY static TCGv cpu_tbr; -#endif static TCGv cpu_cond; #ifdef TARGET_SPARC64 static TCGv_i32 cpu_xcc, cpu_fprs; @@ -2692,8 +2691,7 @@ static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs) gen_update_fprs_dirty(dc, qd); } -#ifndef CONFIG_USER_ONLY -static void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_env tcg_env) +static void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr) { TCGv_i32 r_tl = tcg_temp_new_i32(); @@ -2714,7 +2712,6 @@ static void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_env tcg_env) tcg_gen_add_ptr(r_tsptr, r_tsptr, r_tl_tmp); } } -#endif static void gen_edge(DisasContext *dc, TCGv dst, TCGv s1, TCGv s2, int width, bool cc, bool left) @@ -2853,6 +2850,7 @@ static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2) # define avail_64(C) false #endif #define avail_ASR17(C) ((C)->def->features & CPU_FEATURE_ASR17) +#define avail_GL(C) ((C)->def->features & CPU_FEATURE_GL) #define avail_HYPV(C) ((C)->def->features & CPU_FEATURE_HYPV) /* Default case for non jump instructions. */ @@ -3401,6 +3399,221 @@ static TCGv do_rdhstick_cmpr(DisasContext *dc, TCGv dst) TRANS(RDHPR_hstick_cmpr, HYPV, do_rd_special, hypervisor(dc), a->rd, do_rdhstick_cmpr) +static TCGv do_rdwim(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + qemu_build_not_reached(); +#else + return cpu_wim; +#endif +} + +TRANS(RDWIM, 32, do_rd_special, supervisor(dc), a->rd, do_rdwim) + +static TCGv do_rdtpc(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_ld_tl(dst, r_tsptr, offsetof(trap_state, tpc)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_tpc, 64, do_rd_special, supervisor(dc), a->rd, do_rdtpc) + +static TCGv do_rdtnpc(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_ld_tl(dst, r_tsptr, offsetof(trap_state, tnpc)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_tnpc, 64, do_rd_special, supervisor(dc), a->rd, do_rdtnpc) + +static TCGv do_rdtstate(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_ld_tl(dst, r_tsptr, offsetof(trap_state, tstate)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_tstate, 64, do_rd_special, supervisor(dc), a->rd, do_rdtstate) + +static TCGv do_rdtt(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_ld32s_tl(dst, r_tsptr, offsetof(trap_state, tt)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_tt, 64, do_rd_special, supervisor(dc), a->rd, do_rdtt) +TRANS(RDPR_tick, 64, do_rd_special, supervisor(dc), a->rd, do_rdtick) + +static TCGv do_rdtba(DisasContext *dc, TCGv dst) +{ + return cpu_tbr; +} + +TRANS(RDPR_tba, 64, do_rd_special, supervisor(dc), a->rd, do_rdtba) + +static TCGv do_rdpstate(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, pstate)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_pstate, 64, do_rd_special, supervisor(dc), a->rd, do_rdpstate) + +static TCGv do_rdtl(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, tl)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_tl, 64, do_rd_special, supervisor(dc), a->rd, do_rdtl) + +static TCGv do_rdpil(DisasContext *dc, TCGv dst) +{ + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, psrpil)); + return dst; +} + +TRANS(RDPR_pil, 64, do_rd_special, supervisor(dc), a->rd, do_rdpil) + +static TCGv do_rdcwp(DisasContext *dc, TCGv dst) +{ + gen_helper_rdcwp(dst, tcg_env); + return dst; +} + +TRANS(RDPR_cwp, 64, do_rd_special, supervisor(dc), a->rd, do_rdcwp) + +static TCGv do_rdcansave(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, cansave)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_cansave, 64, do_rd_special, supervisor(dc), a->rd, do_rdcansave) + +static TCGv do_rdcanrestore(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, canrestore)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_canrestore, 64, do_rd_special, supervisor(dc), a->rd, + do_rdcanrestore) + +static TCGv do_rdcleanwin(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, cleanwin)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_cleanwin, 64, do_rd_special, supervisor(dc), a->rd, do_rdcleanwin) + +static TCGv do_rdotherwin(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, otherwin)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_otherwin, 64, do_rd_special, supervisor(dc), a->rd, do_rdotherwin) + +static TCGv do_rdwstate(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, wstate)); + return dst; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_wstate, 64, do_rd_special, supervisor(dc), a->rd, do_rdwstate) + +static TCGv do_rdgl(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + tcg_gen_ld32s_tl(dst, tcg_env, offsetof(CPUSPARCState, gl)); + return dst; +#else + g_assert_not_reached(); +#endif +} + +TRANS(RDPR_gl, GL, do_rd_special, supervisor(dc), a->rd, do_rdgl) + +/* UA2005 strand status */ +static TCGv do_rdssr(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + return cpu_ssr; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_strand_status, HYPV, do_rd_special, hypervisor(dc), a->rd, do_rdssr) + +static TCGv do_rdver(DisasContext *dc, TCGv dst) +{ +#ifdef TARGET_SPARC64 + return cpu_ver; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(RDPR_ver, 64, do_rd_special, supervisor(dc), a->rd, do_rdver) + #define CHECK_IU_FEATURE(dc, FEATURE) \ if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \ goto illegal_insn; @@ -3431,133 +3644,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) TCGv cpu_dst __attribute__((unused)) = tcg_temp_new(); TCGv cpu_tmp0 __attribute__((unused)); -#if !defined(CONFIG_USER_ONLY) - if (xop == 0x2a) { /* rdwim / V9 rdpr */ - if (!supervisor(dc)) { - goto priv_insn; - } - cpu_tmp0 = tcg_temp_new(); -#ifdef TARGET_SPARC64 - rs1 = GET_FIELD(insn, 13, 17); - switch (rs1) { - case 0: // tpc - { - TCGv_ptr r_tsptr; - - r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr, tcg_env); - tcg_gen_ld_tl(cpu_tmp0, r_tsptr, - offsetof(trap_state, tpc)); - } - break; - case 1: // tnpc - { - TCGv_ptr r_tsptr; - - r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr, tcg_env); - tcg_gen_ld_tl(cpu_tmp0, r_tsptr, - offsetof(trap_state, tnpc)); - } - break; - case 2: // tstate - { - TCGv_ptr r_tsptr; - - r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr, tcg_env); - tcg_gen_ld_tl(cpu_tmp0, r_tsptr, - offsetof(trap_state, tstate)); - } - break; - case 3: // tt - { - TCGv_ptr r_tsptr = tcg_temp_new_ptr(); - - gen_load_trap_state_at_tl(r_tsptr, tcg_env); - tcg_gen_ld32s_tl(cpu_tmp0, r_tsptr, - offsetof(trap_state, tt)); - } - break; - case 4: // tick - { - TCGv_ptr r_tickptr; - TCGv_i32 r_const; - - r_tickptr = tcg_temp_new_ptr(); - r_const = tcg_constant_i32(dc->mem_idx); - tcg_gen_ld_ptr(r_tickptr, tcg_env, - offsetof(CPUSPARCState, tick)); - if (translator_io_start(&dc->base)) { - dc->base.is_jmp = DISAS_EXIT; - } - gen_helper_tick_get_count(cpu_tmp0, tcg_env, - r_tickptr, r_const); - } - break; - case 5: // tba - tcg_gen_mov_tl(cpu_tmp0, cpu_tbr); - break; - case 6: // pstate - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, pstate)); - break; - case 7: // tl - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, tl)); - break; - case 8: // pil - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, psrpil)); - break; - case 9: // cwp - gen_helper_rdcwp(cpu_tmp0, tcg_env); - break; - case 10: // cansave - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, cansave)); - break; - case 11: // canrestore - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, canrestore)); - break; - case 12: // cleanwin - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, cleanwin)); - break; - case 13: // otherwin - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, otherwin)); - break; - case 14: // wstate - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, wstate)); - break; - case 16: // UA2005 gl - CHECK_IU_FEATURE(dc, GL); - tcg_gen_ld32s_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, gl)); - break; - case 26: // UA2005 strand status - CHECK_IU_FEATURE(dc, HYPV); - if (!hypervisor(dc)) - goto priv_insn; - tcg_gen_mov_tl(cpu_tmp0, cpu_ssr); - break; - case 31: // ver - tcg_gen_mov_tl(cpu_tmp0, cpu_ver); - break; - case 15: // fq - default: - goto illegal_insn; - } -#else - tcg_gen_ext_i32_tl(cpu_tmp0, cpu_wim); -#endif - gen_store_gpr(dc, rd, cpu_tmp0); - break; - } -#endif #if defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY) if (xop == 0x2b) { /* rdtbr / V9 flushw */ #ifdef TARGET_SPARC64 @@ -4403,7 +4489,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) TCGv_ptr r_tsptr; r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr, tcg_env); + gen_load_trap_state_at_tl(r_tsptr); tcg_gen_st_tl(cpu_tmp0, r_tsptr, offsetof(trap_state, tpc)); } @@ -4413,7 +4499,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) TCGv_ptr r_tsptr; r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr, tcg_env); + gen_load_trap_state_at_tl(r_tsptr); tcg_gen_st_tl(cpu_tmp0, r_tsptr, offsetof(trap_state, tnpc)); } @@ -4423,7 +4509,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) TCGv_ptr r_tsptr; r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr, tcg_env); + gen_load_trap_state_at_tl(r_tsptr); tcg_gen_st_tl(cpu_tmp0, r_tsptr, offsetof(trap_state, tstate)); @@ -4434,7 +4520,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) TCGv_ptr r_tsptr; r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr, tcg_env); + gen_load_trap_state_at_tl(r_tsptr); tcg_gen_st32_tl(cpu_tmp0, r_tsptr, offsetof(trap_state, tt)); } @@ -5863,9 +5949,7 @@ void sparc_tcg_init(void) { &cpu_pc, offsetof(CPUSPARCState, pc), "pc" }, { &cpu_npc, offsetof(CPUSPARCState, npc), "npc" }, { &cpu_y, offsetof(CPUSPARCState, y), "y" }, -#ifndef CONFIG_USER_ONLY { &cpu_tbr, offsetof(CPUSPARCState, tbr), "tbr" }, -#endif }; unsigned int i;