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[187.189.51.144]) by smtp.gmail.com with ESMTPSA id l129sm5602078qkd.76.2021.03.12.17.00.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 17:00:34 -0800 (PST) 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=ZPDfotqZkwLgMY82II2d8KzcFDUKm+QoC/DOf3p5BZEiwKiFkF4ld39CK5Wr3SkBXt Fe3Ynmbm/u0KdYMkSXB2uYb8WgNvjOFyaZV3HAttfNYCbpHLWqpqMkNRdED2IHII6tGX qdx3NgjJ0Fs6mlV2d6GH8Fs4a+sMwxRRzSlMW7FIlxJl2d25WBKQ8kAagX5uEGOFiE5Y FO9lVfxwyy65EqwYAu1cQeNuSyY6J047scQ7Qpf0jA1ZhwQ8w3ELTskxQ3aS6scJ62Fn DG1wPFMdU0zA3WW8c3yv0YI1MPQIaZa7wD388s4tf0PLakEZLHNfGgahnjEZaWQYpGpY HJXQ== 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=UA/BzgDvxqmkCRsL5dGF+aq0q9YpW2cHDPsdnkuk8aw/H6PkSeymiZLwZRiQchJk0v tFB/BlDyZRLLnHJYqY59ztJUTXpd3w34RiJlzSY1D6YGVVH0mvxV8jzZIBtoA9H6kJYe pjL8lZNA4h0E35fI11Cn82Nt4WhXUSJFXQ9+/QdH79MfL8+Dh8wDJRnAq3q4RjrUCbxf C87jd6eTLwypRB+sSrNBzJDPWTfIyQjc4nTyVcSIQ4DjPbKKyl68NyzkaMh20ETm7g/0 9IjuzD+YZUHjowK6Qs3DKB654sJZQ5GKios0iLCjx1vKcjhpUbC3Q3s5oaIV4X/VCGPP 5MPQ== X-Gm-Message-State: AOAM532ff9tDKfjLKoRQNRQMAYQT4Yis8R4lqUxA2+MNxhXP4NJV1m5u QamjFQ4SsWIsRfpRhMshhZygvED1+qOAR/yP X-Google-Smtp-Source: ABdhPJxIrZlMfq6SVGJf6a9aAvPgs6RLlEEPHXSJD4QcfFAdJVw8KiDbfskcKRE2KTFI2LQNTeClig== X-Received: by 2002:ad4:4e23:: with SMTP id dm3mr14892653qvb.4.1615597234584; Fri, 12 Mar 2021 17:00:34 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 11/15] target/ppc: Put LPCR[GTSE] in hflags Date: Fri, 12 Mar 2021 19:00:14 -0600 Message-Id: <20210313010018.819153-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210313010018.819153-1-richard.henderson@linaro.org> References: <20210313010018.819153-1-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::f31; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf31.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