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[98.147.7.212]) by smtp.gmail.com with ESMTPSA id ga15-20020a17090b038f00b0029c3bac0aa8sm8658432pjb.4.2024.04.08.10.49.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Apr 2024 10:49:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1712598585; x=1713203385; 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=+6xA9uOxQL6GHFyuuAVL91EMcYGjdhkuoxzjyRnEesc=; b=ARUX9p6+UIvXtrvSSWi6rfUg1qr7yEk2tkiATpEVy5oAQAEFRY6Vxrm+RCPF41dbYS hh4wQIqrUHCCx6N7aKs99K4DnKABAQ2cxULBXGNM6xXcwjcxPVcfd6wllDuDf87dnmeC vVAi5ZVBIlb2UwPIyDAoXOira/Dj0ekHGFwuVAQfHzdFphprH5DH0rAaNQzvrHHXnjqF HVqeIAtKNMvh3L5O2ezj7L/eZdr1/lDgMjS5Xwb3Kj/5bEEYtTBY+bfwiJbMfftUn6rk 6zao6E9EC9o3Dk4wCWaLD6pEBkFMhE4NvYD8wiL27Dv7PKG68+cVC0ifJOVpzuqJTy3R Z4fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712598585; x=1713203385; 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=+6xA9uOxQL6GHFyuuAVL91EMcYGjdhkuoxzjyRnEesc=; b=mnn6JOh7CV97OtMcmOlBRBdsU0JhVMrtiJpXxWxSzoYzvBGW5Xefcay3iWmw/TfEhZ MVMaJjU/0QkskNoOBc3oDBftWU6HHeEzUVyp4Q1DC89TMYpEB5l8Tihn30SdogDKIUsR 8nHj+YPMAqQemMh0bmIwXW53jayfIEsb8jBT/oDEO5O2w6qwMLnS7tkEqTmc0K2mRrp8 20lAObIueARIkiw3U1j/vwawPQsW5yCl8gRGFyLFfC/99Do+/IPsJioHb5Yx79vwxC4W l7Il/oVrNQfBJyCFoIij3tj1zPEPicC9qW372QLP8MkE6SeO+y714QPnod+RuwaqStnO wm8A== X-Gm-Message-State: AOJu0YwEhoG5sDRQ052T2i+aYF402EV0J1XgqNoGjdJk4RV3AXerEqyG rAnizE+tXB9U4q1yjXvKRnBmFZw/5OcgSWLkQxYjptRxonZurqdNPIpR+S9JnAL5kHt5Zuk93Pt z X-Google-Smtp-Source: AGHT+IH6f3ZuQwr8n6UcOXlDn7nuNUfSChMox+x4Ni59ik6keXWC2XLMWzGIXqkhS7acZoHyWKjLeA== X-Received: by 2002:a17:90a:e992:b0:2a2:437:18ec with SMTP id v18-20020a17090ae99200b002a2043718ecmr6230010pjy.46.1712598585027; Mon, 08 Apr 2024 10:49:45 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Sven Schnelle , Helge Deller Subject: [PULL 09/35] target/hppa: Fix IIAOQ, IIASQ for pa2.0 Date: Mon, 8 Apr 2024 07:49:03 -1000 Message-Id: <20240408174929.862917-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240408174929.862917-1-richard.henderson@linaro.org> References: <20240408174929.862917-1-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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102c; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102c.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1712598752605100002 Content-Type: text/plain; charset="utf-8" The contents of IIAOQ depend on PSW_W. Follow the text in "Interruption Instruction Address Queues", pages 2-13 through 2-15. Tested-by: Sven Schnelle Tested-by: Helge Deller Reported-by: Sven Schnelle Fixes: b10700d826c ("target/hppa: Update IIAOQ, IIASQ for pa2.0") Signed-off-by: Richard Henderson --- target/hppa/int_helper.c | 20 +++++++++++--------- target/hppa/sys_helper.c | 18 +++++++++--------- 2 files changed, 20 insertions(+), 18 deletions(-) diff --git a/target/hppa/int_helper.c b/target/hppa/int_helper.c index 90437a92cd..a667ee380d 100644 --- a/target/hppa/int_helper.c +++ b/target/hppa/int_helper.c @@ -107,14 +107,10 @@ void hppa_cpu_do_interrupt(CPUState *cs) =20 /* step 3 */ /* - * For pa1.x, IIASQ is simply a copy of IASQ. - * For pa2.0, IIASQ is the top bits of the virtual address, - * or zero if translation is disabled. + * IIASQ is the top bits of the virtual address, or zero if translation + * is disabled -- with PSW_W =3D=3D 0, this will reduce to the space. */ - if (!hppa_is_pa20(env)) { - env->cr[CR_IIASQ] =3D env->iasq_f >> 32; - env->cr_back[0] =3D env->iasq_b >> 32; - } else if (old_psw & PSW_C) { + if (old_psw & PSW_C) { env->cr[CR_IIASQ] =3D hppa_form_gva_psw(old_psw, env->iasq_f, env->iaoq_f) >> 32; env->cr_back[0] =3D @@ -123,8 +119,14 @@ void hppa_cpu_do_interrupt(CPUState *cs) env->cr[CR_IIASQ] =3D 0; env->cr_back[0] =3D 0; } - env->cr[CR_IIAOQ] =3D env->iaoq_f; - env->cr_back[1] =3D env->iaoq_b; + /* IIAOQ is the full offset for wide mode, or 32 bits for narrow mode.= */ + if (old_psw & PSW_W) { + env->cr[CR_IIAOQ] =3D env->iaoq_f; + env->cr_back[1] =3D env->iaoq_b; + } else { + env->cr[CR_IIAOQ] =3D (uint32_t)env->iaoq_f; + env->cr_back[1] =3D (uint32_t)env->iaoq_b; + } =20 if (old_psw & PSW_Q) { /* step 5 */ diff --git a/target/hppa/sys_helper.c b/target/hppa/sys_helper.c index 208e51c086..22d6c89964 100644 --- a/target/hppa/sys_helper.c +++ b/target/hppa/sys_helper.c @@ -78,21 +78,21 @@ target_ulong HELPER(swap_system_mask)(CPUHPPAState *env= , target_ulong nsm) =20 void HELPER(rfi)(CPUHPPAState *env) { - env->iasq_f =3D (uint64_t)env->cr[CR_IIASQ] << 32; - env->iasq_b =3D (uint64_t)env->cr_back[0] << 32; - env->iaoq_f =3D env->cr[CR_IIAOQ]; - env->iaoq_b =3D env->cr_back[1]; + uint64_t mask; + + cpu_hppa_put_psw(env, env->cr[CR_IPSW]); =20 /* * For pa2.0, IIASQ is the top bits of the virtual address. * To recreate the space identifier, remove the offset bits. + * For pa1.x, the mask reduces to no change to space. */ - if (hppa_is_pa20(env)) { - env->iasq_f &=3D ~env->iaoq_f; - env->iasq_b &=3D ~env->iaoq_b; - } + mask =3D gva_offset_mask(env->psw); =20 - cpu_hppa_put_psw(env, env->cr[CR_IPSW]); + env->iaoq_f =3D env->cr[CR_IIAOQ]; + env->iaoq_b =3D env->cr_back[1]; + env->iasq_f =3D (env->cr[CR_IIASQ] << 32) & ~(env->iaoq_f & mask); + env->iasq_b =3D (env->cr_back[0] << 32) & ~(env->iaoq_b & mask); } =20 static void getshadowregs(CPUHPPAState *env) --=20 2.34.1