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[187.189.51.144]) by smtp.gmail.com with ESMTPSA id c127sm10216240qkd.87.2021.03.14.10.59.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Mar 2021 10:59:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Fm4BN1FAYzcobXIUNrNdXuRiaQp/Ku74cUVfr1tQ2mY=; b=rMuju3Yawl6FaObO93c7+QBAFnUw5BlpDaFeX+InfXu50PuzpaPeOWRp1FuMYHqbvO pend4z4y/lwOD4tQZwYgeDxfyWHLUYMdAixnRfuxouqebLQxW35+aQ8RE/bEosW7KVHI fknKOMcZI6yHxlq1ZXTzlEnhi0U4fysyiqVrPlAJ58CZlq6ktjSheJETk6MtbYT1dsVY RJYrfG82rO6BTMypKwgXEg0Y7hWzSMmMjl+JXYiq4KsXIjltaexLxIm+YgtBfQhvqhS9 ldO7H2BbiHWie5loqj7EYYSy0WysmSzGduwJIY9EyI30JBmTHo6Gv52+HGbjFrVO7ucs VgQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Fm4BN1FAYzcobXIUNrNdXuRiaQp/Ku74cUVfr1tQ2mY=; b=hPC2x0Wu4NUPzaibvCxoCUUPASQDXXX27qvQGtnAwqPy70yhajsPcJH+rV8xhitIgM P2V/jgZ9e6WPwWUj6qOBJbm+kn4v7Q3dhi63Mf2gIwA/LIXK84Yp5qjUsEWCO+fYHq2/ YHw7EKWkP5WGsfa+/Aj/LDzKKP6SgvI8Gtjk+mSJp1An+F8Iga/OQr4ezf4tAQViaOSp tCoTu+9p7zw4fiLQcixNvefoLvWpbWoHyo+eP9EJKmqhvWE2aXuQQxIMaKrWswz61noz MKvXa6Q5v2cNvbNyoB4bajPfm4kr0/2++n9J5j1E5GB4OkNl5bpBvygjleZqOK6F2M0u pdig== X-Gm-Message-State: AOAM530EPIFo4H/yNJli67sMZ1Z7O6xP/Uvu7POAqzF65YAmROa3JCl0 EzXCcK6SHqDlNxvTGssDAMYZHQQUdTsFl1RT X-Google-Smtp-Source: ABdhPJz91VGxeg92TtNeux1r5lydqG/YG1RX/QAp2CnOOktObQ/gSJtNmk4M5/6+DdmiYG4rvwbuCg== X-Received: by 2002:ac8:44cc:: with SMTP id b12mr19865393qto.382.1615744761663; Sun, 14 Mar 2021 10:59:21 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 11/16] target/ppc: Put LPCR[GTSE] in hflags Date: Sun, 14 Mar 2021 11:59:01 -0600 Message-Id: <20210314175906.1733746-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210314175906.1733746-1-richard.henderson@linaro.org> References: <20210314175906.1733746-1-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::82d; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82d.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ivan@vmfacility.fr, qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Because this bit was not in hflags, the privilege check for tlb instructions was essentially random. Recompute hflags when storing to LPCR. Signed-off-by: Richard Henderson --- target/ppc/cpu.h | 1 + target/ppc/helper_regs.c | 3 +++ target/ppc/mmu-hash64.c | 3 +++ target/ppc/translate.c | 2 +- 4 files changed, 8 insertions(+), 1 deletion(-) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 2abaf56869..07a4331eec 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -603,6 +603,7 @@ enum { HFLAGS_TM =3D 8, /* computed from MSR_TM */ HFLAGS_BE =3D 9, /* MSR_BE -- from elsewhere on embedded ppc */ HFLAGS_SE =3D 10, /* MSR_SE -- from elsewhere on embedded ppc */ + HFLAGS_GTSE =3D 11, /* computed from SPR_LPCR[GTSE] */ HFLAGS_FP =3D 13, /* MSR_FP */ HFLAGS_SA =3D 22, /* MSR_SA */ HFLAGS_AP =3D 23, /* MSR_AP */ diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c index c735540333..8479789e24 100644 --- a/target/ppc/helper_regs.c +++ b/target/ppc/helper_regs.c @@ -139,6 +139,9 @@ void hreg_compute_hflags(CPUPPCState *env) if ((ppc_flags & POWERPC_FLAG_TM) && (msr & (1ull << MSR_TM))) { hflags |=3D 1 << HFLAGS_TM; } + if (env->spr[SPR_LPCR] & LPCR_GTSE) { + hflags |=3D 1 << HFLAGS_GTSE; + } =20 #ifndef CONFIG_USER_ONLY if (!env->has_hv_mode || (msr & (1ull << MSR_HV))) { diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c index 0fabc10302..d517a99832 100644 --- a/target/ppc/mmu-hash64.c +++ b/target/ppc/mmu-hash64.c @@ -30,6 +30,7 @@ #include "exec/log.h" #include "hw/hw.h" #include "mmu-book3s-v3.h" +#include "helper_regs.h" =20 /* #define DEBUG_SLB */ =20 @@ -1125,6 +1126,8 @@ void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val) CPUPPCState *env =3D &cpu->env; =20 env->spr[SPR_LPCR] =3D val & pcc->lpcr_mask; + /* The gtse bit affects hflags */ + hreg_compute_hflags(env); } =20 void helper_store_lpcr(CPUPPCState *env, target_ulong val) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index d48c554290..5e629291d3 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -7908,7 +7908,7 @@ static void ppc_tr_init_disas_context(DisasContextBas= e *dcbase, CPUState *cs) ctx->altivec_enabled =3D (hflags >> HFLAGS_VR) & 1; ctx->vsx_enabled =3D (hflags >> HFLAGS_VSX) & 1; ctx->tm_enabled =3D (hflags >> HFLAGS_TM) & 1; - ctx->gtse =3D !!(env->spr[SPR_LPCR] & LPCR_GTSE); + ctx->gtse =3D (hflags >> HFLAGS_GTSE) & 1; =20 ctx->singlestep_enabled =3D 0; if ((hflags >> HFLAGS_SE) & 1) { --=20 2.25.1