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[98.147.7.212]) by smtp.gmail.com with ESMTPSA id f8-20020a170902684800b001e09b636cafsm4000955pln.287.2024.03.29.15.31.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Mar 2024 15:31:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1711751484; x=1712356284; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=+aKcsx9JEOh52ndAdHyeqzgetKk3eTEnbQJ4vqbujCg=; b=wMA0iGpu2cLOuysjP68A9Al3LryRGIua/rbMTOTHgdtw+vwMd1SdFbIywEUAV1PfJ0 qoPFd0HPb+2FOrwliPKv3g+tM6bxWh9jrfamh2Y/GjXtfFaCRso6bATzaSxhwdzG71TQ A8dGHn44WaOAm9g1PV5I/wwsFvbLsZ8b+cZ3vwnAa+fmMxiHobYhgsKsFIkKNGpCTqHq SWO+A4ZiyNJRW6kCecgI5Rw0kEoVlgHeoB9qP+d0EKCLlQ9+Bd/AWcbImespMJMe1Q6a u5p6rP88pxKczzvh36leQ5FlLk6/b27rrb7ge3HO7QveUwAxzqo5pk/RQgJ+3c3uxiNl qqNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711751484; x=1712356284; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=+aKcsx9JEOh52ndAdHyeqzgetKk3eTEnbQJ4vqbujCg=; b=p4yJ8/XXIi8OeFrNbFpJaZ9hRiPaunHQpll2UTDmwD2F55JIU0Pi69CFfnIG7HGhF6 rNXOFdShs1EeWXRHLBgTKirKiIPfz2msqK0w3MT0Nc1ch7KT/MIE/3uaHQ9vZpgjCFSS eG4BXwVWZyLyjlF214qrfqntMqi/cQVnOefm2IePTE++wRW/1pETBlS34NcUXIMMXR// p4gDs/R8BBOztzgzgWvlJ0HVVn72DA7Zq3gU3xTTzC9NdOvMPHOxDhhIGtLYTeixsYAu DQtxbRsniFVvPAEZ5hNMsNCbfeymWtn0zVuzkbl3l2Gn55qsBAMa5MkVlmn+7qofYLlf bAWg== X-Gm-Message-State: AOJu0Yyi4fALZReB+YBkzVze6jCARQfzT3bFDoXzy38O70PXIlMArGAn 8vIIdFro83ppprwqyFIq1Yg6MyKjQsVd1geJRDGMjgJzcvHEpu0SlagV6o5Ek+JipExRQvPmfRx j X-Google-Smtp-Source: AGHT+IFXcT/cv617vs94V0olUk1qtvB+asP3RutnVEut1XBYxIxnfg2HWbuT+MfbO611UJ0kqXe2YQ== X-Received: by 2002:a17:902:d2cf:b0:1dd:5f85:1191 with SMTP id n15-20020a170902d2cf00b001dd5f851191mr4433009plc.53.1711751484466; Fri, 29 Mar 2024 15:31:24 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Helge Deller Subject: [PULL 07/18] target/hppa: Fix EIRR, EIEM versus icount Date: Fri, 29 Mar 2024 12:31:00 -1000 Message-Id: <20240329223111.1735826-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240329223111.1735826-1-richard.henderson@linaro.org> References: <20240329223111.1735826-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1711751617814100004 Content-Type: text/plain; charset="utf-8" Call translator_io_start before write to EIRR. Move evaluation of EIRR vs EIEM to hppa_cpu_exec_interrupt. Exit TB after write to EIEM, but otherwise use a straight store. Reviewed-by: Helge Deller Tested-by: Helge Deller Signed-off-by: Richard Henderson --- target/hppa/helper.h | 1 - target/hppa/int_helper.c | 14 ++++---------- target/hppa/translate.c | 10 +++++++--- 3 files changed, 11 insertions(+), 14 deletions(-) diff --git a/target/hppa/helper.h b/target/hppa/helper.h index 1bdbcd8f98..8fd7ba65d8 100644 --- a/target/hppa/helper.h +++ b/target/hppa/helper.h @@ -91,7 +91,6 @@ DEF_HELPER_1(rfi, void, env) DEF_HELPER_1(rfi_r, void, env) DEF_HELPER_FLAGS_2(write_interval_timer, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(write_eirr, TCG_CALL_NO_RWG, void, env, tl) -DEF_HELPER_FLAGS_2(write_eiem, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(swap_system_mask, TCG_CALL_NO_RWG, tl, env, tl) DEF_HELPER_FLAGS_3(itlba_pa11, TCG_CALL_NO_RWG, void, env, tl, tl) DEF_HELPER_FLAGS_3(itlbp_pa11, TCG_CALL_NO_RWG, void, env, tl, tl) diff --git a/target/hppa/int_helper.c b/target/hppa/int_helper.c index efe638b36e..90437a92cd 100644 --- a/target/hppa/int_helper.c +++ b/target/hppa/int_helper.c @@ -28,7 +28,7 @@ static void eval_interrupt(HPPACPU *cpu) { CPUState *cs =3D CPU(cpu); - if (cpu->env.cr[CR_EIRR] & cpu->env.cr[CR_EIEM]) { + if (cpu->env.cr[CR_EIRR]) { cpu_interrupt(cs, CPU_INTERRUPT_HARD); } else { cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); @@ -89,14 +89,6 @@ void HELPER(write_eirr)(CPUHPPAState *env, target_ulong = val) bql_unlock(); } =20 -void HELPER(write_eiem)(CPUHPPAState *env, target_ulong val) -{ - env->cr[CR_EIEM] =3D val; - bql_lock(); - eval_interrupt(env_archcpu(env)); - bql_unlock(); -} - void hppa_cpu_do_interrupt(CPUState *cs) { HPPACPU *cpu =3D HPPA_CPU(cs); @@ -280,7 +272,9 @@ bool hppa_cpu_exec_interrupt(CPUState *cs, int interrup= t_request) } =20 /* If interrupts are requested and enabled, raise them. */ - if ((env->psw & PSW_I) && (interrupt_request & CPU_INTERRUPT_HARD)) { + if ((interrupt_request & CPU_INTERRUPT_HARD) + && (env->psw & PSW_I) + && (env->cr[CR_EIRR] & env->cr[CR_EIEM])) { cs->exception_index =3D EXCP_EXT_INTERRUPT; hppa_cpu_do_interrupt(cs); return true; diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 5b8c1b06c3..46b2d6508d 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2166,10 +2166,10 @@ static bool trans_mtctl(DisasContext *ctx, arg_mtct= l *a) gen_helper_write_interval_timer(tcg_env, reg); break; case CR_EIRR: + /* Helper modifies interrupt lines and is therefore IO. */ + translator_io_start(&ctx->base); gen_helper_write_eirr(tcg_env, reg); - break; - case CR_EIEM: - gen_helper_write_eiem(tcg_env, reg); + /* Exit to re-evaluate interrupts in the main loop. */ ctx->base.is_jmp =3D DISAS_IAQ_N_STALE_EXIT; break; =20 @@ -2195,6 +2195,10 @@ static bool trans_mtctl(DisasContext *ctx, arg_mtctl= *a) #endif break; =20 + case CR_EIEM: + /* Exit to re-evaluate interrupts in the main loop. */ + ctx->base.is_jmp =3D DISAS_IAQ_N_STALE_EXIT; + /* FALLTHRU */ default: tcg_gen_st_i64(reg, tcg_env, offsetof(CPUHPPAState, cr[ctl])); break; --=20 2.34.1