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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id b185-20020a6334c2000000b0058988954686sm70753pga.90.2023.10.13.14.29.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Oct 2023 14:29:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk, atar4qemu@gmail.com Subject: [PATCH 22/85] target/sparc: Move WRWIM, WRPR to decodetree Date: Fri, 13 Oct 2023 14:27:43 -0700 Message-Id: <20231013212846.165724-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231013212846.165724-1-richard.henderson@linaro.org> References: <20231013212846.165724-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42d; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42d.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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson --- target/sparc/insns.decode | 21 +++ target/sparc/translate.c | 350 +++++++++++++++++++++++--------------- 2 files changed, 235 insertions(+), 136 deletions(-) diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index db5a899bdf..b61926d278 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -120,6 +120,27 @@ 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 +{ + WRWIM 10 00000 110010 ..... . ............. @n_r_ri + WRPR_tpc 10 00000 110010 ..... . ............. @n_r_ri +} +WRPR_tnpc 10 00001 110010 ..... . ............. @n_r_ri +WRPR_tstate 10 00010 110010 ..... . ............. @n_r_ri +WRPR_tt 10 00011 110010 ..... . ............. @n_r_ri +WRPR_tick 10 00100 110010 ..... . ............. @n_r_ri +WRPR_tba 10 00101 110010 ..... . ............. @n_r_ri +WRPR_pstate 10 00110 110010 ..... . ............. @n_r_ri +WRPR_tl 10 00111 110010 ..... . ............. @n_r_ri +WRPR_pil 10 01000 110010 ..... . ............. @n_r_ri +WRPR_cwp 10 01001 110010 ..... . ............. @n_r_ri +WRPR_cansave 10 01010 110010 ..... . ............. @n_r_ri +WRPR_canrestore 10 01011 110010 ..... . ............. @n_r_ri +WRPR_cleanwin 10 01100 110010 ..... . ............. @n_r_ri +WRPR_otherwin 10 01101 110010 ..... . ............. @n_r_ri +WRPR_wstate 10 01110 110010 ..... . ............. @n_r_ri +WRPR_gl 10 10000 110010 ..... . ............. @n_r_ri +WRPR_strand_status 10 11010 110010 ..... . ............. @n_r_ri + { FLUSHW 10 00000 101011 00000 0 0000000000000 RDTBR 10 rd:5 101011 00000 0 0000000000000 diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 5f2e5d5a82..4b4ca04d62 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -44,6 +44,10 @@ #define gen_helper_rdccr(D, E) qemu_build_not_reached() #define gen_helper_rdcwp(D, E) qemu_build_not_reached() #define gen_helper_wrccr(E, S) qemu_build_not_reached() +#define gen_helper_wrcwp(E, S) qemu_build_not_reached() +#define gen_helper_wrgl(E, S) g_assert_not_reached() +#define gen_helper_wrpil(E, S) qemu_build_not_reached() +#define gen_helper_wrpstate(E, S) qemu_build_not_reached() #define gen_helper_set_softint(E, S) qemu_build_not_reached() #define gen_helper_clear_softint(E, S) qemu_build_not_reached() #define gen_helper_write_softint(E, S) qemu_build_not_reached() @@ -3788,6 +3792,214 @@ static void do_wrpsr(DisasContext *dc, TCGv src) TRANS(WRPSR, 32, do_wr_special, a, supervisor(dc), do_wrpsr) +static void do_wrwim(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + qemu_build_not_reached(); +#else + target_ulong mask = MAKE_64BIT_MASK(0, dc->def->nwindows); + tcg_gen_andi_tl(cpu_wim, src, mask); +#endif +} + +TRANS(WRWIM, 32, do_wr_special, a, supervisor(dc), do_wrwim) + +static void do_wrtpc(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_st_tl(src, r_tsptr, offsetof(trap_state, tpc)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_tpc, 64, do_wr_special, a, supervisor(dc), do_wrtpc) + +static void do_wrtnpc(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_st_tl(src, r_tsptr, offsetof(trap_state, tnpc)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_tnpc, 64, do_wr_special, a, supervisor(dc), do_wrtnpc) + +static void do_wrtstate(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_st_tl(src, r_tsptr, offsetof(trap_state, tstate)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_tstate, 64, do_wr_special, a, supervisor(dc), do_wrtstate) + +static void do_wrtt(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tsptr = tcg_temp_new_ptr(); + + gen_load_trap_state_at_tl(r_tsptr); + tcg_gen_st32_tl(src, r_tsptr, offsetof(trap_state, tt)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_tt, 64, do_wr_special, a, supervisor(dc), do_wrtt) + +static void do_wrtick(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + TCGv_ptr r_tickptr = tcg_temp_new_ptr(); + + tcg_gen_ld_ptr(r_tickptr, tcg_env, offsetof(CPUSPARCState, tick)); + translator_io_start(&dc->base); + gen_helper_tick_set_count(r_tickptr, src); + /* End TB to handle timer interrupt */ + dc->base.is_jmp = DISAS_EXIT; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_tick, 64, do_wr_special, a, supervisor(dc), do_wrtick) + +static void do_wrtba(DisasContext *dc, TCGv src) +{ + tcg_gen_mov_tl(cpu_tbr, src); +} + +TRANS(WRPR_tba, 64, do_wr_special, a, supervisor(dc), do_wrtba) + +static void do_wrpstate(DisasContext *dc, TCGv src) +{ + save_state(dc); + if (translator_io_start(&dc->base)) { + dc->base.is_jmp = DISAS_EXIT; + } + gen_helper_wrpstate(tcg_env, src); + dc->npc = DYNAMIC_PC; +} + +TRANS(WRPR_pstate, 64, do_wr_special, a, supervisor(dc), do_wrpstate) + +static void do_wrtl(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + save_state(dc); + tcg_gen_st32_tl(src, tcg_env, offsetof(CPUSPARCState, tl)); + dc->npc = DYNAMIC_PC; +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_tl, 64, do_wr_special, a, supervisor(dc), do_wrtl) + +static void do_wrpil(DisasContext *dc, TCGv src) +{ + if (translator_io_start(&dc->base)) { + dc->base.is_jmp = DISAS_EXIT; + } + gen_helper_wrpil(tcg_env, src); +} + +TRANS(WRPR_pil, 64, do_wr_special, a, supervisor(dc), do_wrpil) + +static void do_wrcwp(DisasContext *dc, TCGv src) +{ + gen_helper_wrcwp(tcg_env, src); +} + +TRANS(WRPR_cwp, 64, do_wr_special, a, supervisor(dc), do_wrcwp) + +static void do_wrcansave(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + tcg_gen_st32_tl(src, tcg_env, offsetof(CPUSPARCState, cansave)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_cansave, 64, do_wr_special, a, supervisor(dc), do_wrcansave) + +static void do_wrcanrestore(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + tcg_gen_st32_tl(src, tcg_env, offsetof(CPUSPARCState, canrestore)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_canrestore, 64, do_wr_special, a, supervisor(dc), do_wrcanrestore) + +static void do_wrcleanwin(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + tcg_gen_st32_tl(src, tcg_env, offsetof(CPUSPARCState, cleanwin)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_cleanwin, 64, do_wr_special, a, supervisor(dc), do_wrcleanwin) + +static void do_wrotherwin(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + tcg_gen_st32_tl(src, tcg_env, offsetof(CPUSPARCState, otherwin)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_otherwin, 64, do_wr_special, a, supervisor(dc), do_wrotherwin) + +static void do_wrwstate(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + tcg_gen_st32_tl(src, tcg_env, offsetof(CPUSPARCState, wstate)); +#else + qemu_build_not_reached(); +#endif +} + +TRANS(WRPR_wstate, 64, do_wr_special, a, supervisor(dc), do_wrwstate) + +static void do_wrgl(DisasContext *dc, TCGv src) +{ + gen_helper_wrgl(tcg_env, src); +} + +TRANS(WRPR_gl, GL, do_wr_special, a, supervisor(dc), do_wrgl) + +/* UA2005 strand status */ +static void do_wrssr(DisasContext *dc, TCGv src) +{ +#ifdef TARGET_SPARC64 + tcg_gen_mov_tl(cpu_ssr, src); +#else + g_assert_not_reached(); +#endif +} + +TRANS(WRPR_strand_status, HYPV, do_wr_special, a, hypervisor(dc), do_wrssr) + static bool do_saved_restored(DisasContext *dc, void (*func)(TCGv_env)) { if (!supervisor(dc)) { @@ -4470,142 +4682,8 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn) case 0x30: goto illegal_insn; /* WRASR in decodetree */ #if !defined(CONFIG_USER_ONLY) - case 0x32: /* wrwim, V9 wrpr */ - { - if (!supervisor(dc)) - goto priv_insn; - cpu_tmp0 = tcg_temp_new(); - tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2); -#ifdef TARGET_SPARC64 - switch (rd) { - case 0: // tpc - { - TCGv_ptr r_tsptr; - - r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr); - tcg_gen_st_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_gen_st_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_gen_st_tl(cpu_tmp0, r_tsptr, - offsetof(trap_state, - tstate)); - } - break; - case 3: // tt - { - TCGv_ptr r_tsptr; - - r_tsptr = tcg_temp_new_ptr(); - gen_load_trap_state_at_tl(r_tsptr); - tcg_gen_st32_tl(cpu_tmp0, r_tsptr, - offsetof(trap_state, tt)); - } - break; - case 4: // tick - { - TCGv_ptr r_tickptr; - - r_tickptr = tcg_temp_new_ptr(); - tcg_gen_ld_ptr(r_tickptr, tcg_env, - offsetof(CPUSPARCState, tick)); - translator_io_start(&dc->base); - gen_helper_tick_set_count(r_tickptr, - cpu_tmp0); - /* End TB to handle timer interrupt */ - dc->base.is_jmp = DISAS_EXIT; - } - break; - case 5: // tba - tcg_gen_mov_tl(cpu_tbr, cpu_tmp0); - break; - case 6: // pstate - save_state(dc); - if (translator_io_start(&dc->base)) { - dc->base.is_jmp = DISAS_EXIT; - } - gen_helper_wrpstate(tcg_env, cpu_tmp0); - dc->npc = DYNAMIC_PC; - break; - case 7: // tl - save_state(dc); - tcg_gen_st32_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, tl)); - dc->npc = DYNAMIC_PC; - break; - case 8: // pil - if (translator_io_start(&dc->base)) { - dc->base.is_jmp = DISAS_EXIT; - } - gen_helper_wrpil(tcg_env, cpu_tmp0); - break; - case 9: // cwp - gen_helper_wrcwp(tcg_env, cpu_tmp0); - break; - case 10: // cansave - tcg_gen_st32_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, - cansave)); - break; - case 11: // canrestore - tcg_gen_st32_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, - canrestore)); - break; - case 12: // cleanwin - tcg_gen_st32_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, - cleanwin)); - break; - case 13: // otherwin - tcg_gen_st32_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, - otherwin)); - break; - case 14: // wstate - tcg_gen_st32_tl(cpu_tmp0, tcg_env, - offsetof(CPUSPARCState, - wstate)); - break; - case 16: // UA2005 gl - CHECK_IU_FEATURE(dc, GL); - gen_helper_wrgl(tcg_env, cpu_tmp0); - break; - case 26: // UA2005 strand status - CHECK_IU_FEATURE(dc, HYPV); - if (!hypervisor(dc)) - goto priv_insn; - tcg_gen_mov_tl(cpu_ssr, cpu_tmp0); - break; - default: - goto illegal_insn; - } -#else - tcg_gen_trunc_tl_i32(cpu_wim, cpu_tmp0); - if (dc->def->nwindows != 32) { - tcg_gen_andi_tl(cpu_wim, cpu_wim, - (1 << dc->def->nwindows) - 1); - } -#endif - } - break; + case 0x32: + goto illegal_insn; /* WRPR in decodetree */ case 0x33: /* wrtbr, UA2005 wrhpr */ { #ifndef TARGET_SPARC64