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([122.255.60.245]) by smtp.gmail.com with ESMTPSA id g6-20020a1709026b4600b0016788487357sm18574523plt.132.2022.07.03.01.30.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Jul 2022 01:30:16 -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=wSNR2kbAW9oQa+mDxGRThKTDiu+IXYao0zmFIiXWIZ0=; b=T4ce/4RjBiL5U7E54ur6JPK1AZM8MBWrdfat7ZB7xbkr4Rmtm+TT9E86TXhAUZ9pLk 64vE1+X3aVHBQ977WJbpxecGgQFmuQg3BpRNFIYSFKct/h2ecjg4bLB1lE7XNlO/sLYK T8xAVrA1MhbqQsTwdlMV7klJJdlJA/eLCW+o20HR5wUGwLJEYP9M011MW+0ipcZXx8sk SbZhdJ/ae1V/RtjFL2PFY3eeCt1f8hMzVp7T0P4SUxHJnWF9s7YBQ57ml8M4LGms0XPY 4jnLZ2p3uzgdGUqXT1kEseBR1YCqAA0hkaedQy53qDWtmIDXpeXa5AszqhmlR+jYKam0 7hsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wSNR2kbAW9oQa+mDxGRThKTDiu+IXYao0zmFIiXWIZ0=; b=1qRgiKMwZa9MGQddaBccuZbxnIvE680C7J9JrHpcUhwR8x1qppAPagOtpv1sCdlRy7 5eFw9pvt/Wa7cS+1FWdSD63H28mydWxoErwcGvd1+8wYgMYB/nrYaO1mhTRpTwQCwqOQ UvlnXEstGJvZDJ+OqSh1bgGCdWLPzQfv6Zv2qxMvhCK8yvGOGSeLbPKBsM0c0mWmrkqL ADu+VKNsDCu0BevJfjx+MHuQas3u566+JXRj6i1Rt6esfZg2qx3uBFjZXxhGUnI1WURL tTt+UqVlvGEVetG3AyRZ30ZZatBXUPjLa825Cd2WpfIE9BPScV3VImGgyqqT3puA8cn4 tC+w== X-Gm-Message-State: AJIora9KNqBfkgvzKuOtR/9pg41O0zkEjmfgpUDi6sbiUgIOqCQPYvMA awRsHgbeQCoY/z8wFkjkEVhEyus5bPPZkZQW X-Google-Smtp-Source: AGRyM1vMSMNXIm26c+IwmWq94YDBnMgZEBlRPlPG5cCjL7QL+6hCNwVBGXF4X4tch6W6WEIXEfG5UA== X-Received: by 2002:a17:90b:4a12:b0:1ed:56ab:b2d5 with SMTP id kk18-20020a17090b4a1200b001ed56abb2d5mr28406053pjb.152.1656837016767; Sun, 03 Jul 2022 01:30:16 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 56/62] target/arm: Move S1_ptw_translate outside arm_ld[lq]_ptw Date: Sun, 3 Jul 2022 13:54:13 +0530 Message-Id: <20220703082419.770989-57-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220703082419.770989-1-richard.henderson@linaro.org> References: <20220703082419.770989-1-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::1032; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1032.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1656840347200100001 Content-Type: text/plain; charset="utf-8" Separate S1 translation from the actual lookup. Will enable lpae hardware updates. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 83 +++++++++++++++++++++++++----------------------- 1 file changed, 44 insertions(+), 39 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index b5105a2e92..dee857ae89 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -268,37 +268,29 @@ static bool S1_ptw_translate(CPUARMState *env, ARMMMU= Idx mmu_idx, } =20 /* All loads done in the course of a page table walk go through here. */ -static uint32_t arm_ldl_ptw(CPUARMState *env, hwaddr addr, bool is_secure, - ARMMMUIdx mmu_idx, ARMMMUIdx ptw_idx, +static uint32_t arm_ldl_ptw(CPUARMState *env, const S1TranslateResult *s1, ARMMMUFaultInfo *fi) { CPUState *cs =3D env_cpu(env); - S1TranslateResult s1; uint32_t data; =20 - if (!S1_ptw_translate(env, mmu_idx, ptw_idx, addr, is_secure, &s1, fi)= ) { - /* Failure. */ - assert(fi->s1ptw); - return 0; - } - - if (likely(s1.hphys)) { + if (likely(s1->hphys)) { /* Page tables are in RAM, and we have the host address. */ - if (s1.be) { - data =3D ldl_be_p(s1.hphys); + if (s1->be) { + data =3D ldl_be_p(s1->hphys); } else { - data =3D ldl_le_p(s1.hphys); + data =3D ldl_le_p(s1->hphys); } } else { /* Page tables are in MMIO. */ - MemTxAttrs attrs =3D { .secure =3D s1.is_secure }; + MemTxAttrs attrs =3D { .secure =3D s1->is_secure }; AddressSpace *as =3D arm_addressspace(cs, attrs); MemTxResult result =3D MEMTX_OK; =20 - if (s1.be) { - data =3D address_space_ldl_be(as, s1.gphys, attrs, &result); + if (s1->be) { + data =3D address_space_ldl_be(as, s1->gphys, attrs, &result); } else { - data =3D address_space_ldl_le(as, s1.gphys, attrs, &result); + data =3D address_space_ldl_le(as, s1->gphys, attrs, &result); } if (unlikely(result !=3D MEMTX_OK)) { fi->type =3D ARMFault_SyncExternalOnWalk; @@ -309,37 +301,29 @@ static uint32_t arm_ldl_ptw(CPUARMState *env, hwaddr = addr, bool is_secure, return data; } =20 -static uint64_t arm_ldq_ptw(CPUARMState *env, hwaddr addr, bool is_secure, - ARMMMUIdx mmu_idx, ARMMMUIdx ptw_idx, +static uint64_t arm_ldq_ptw(CPUARMState *env, const S1TranslateResult *s1, ARMMMUFaultInfo *fi) { CPUState *cs =3D env_cpu(env); - S1TranslateResult s1; uint64_t data; =20 - if (!S1_ptw_translate(env, mmu_idx, ptw_idx, addr, is_secure, &s1, fi)= ) { - /* Failure. */ - assert(fi->s1ptw); - return 0; - } - - if (likely(s1.hphys)) { + if (likely(s1->hphys)) { /* Page tables are in RAM, and we have the host address. */ - if (s1.be) { - data =3D ldq_be_p(s1.hphys); + if (s1->be) { + data =3D ldq_be_p(s1->hphys); } else { - data =3D ldq_le_p(s1.hphys); + data =3D ldq_le_p(s1->hphys); } } else { /* Page tables are in MMIO. */ - MemTxAttrs attrs =3D { .secure =3D s1.is_secure }; + MemTxAttrs attrs =3D { .secure =3D s1->is_secure }; AddressSpace *as =3D arm_addressspace(cs, attrs); MemTxResult result =3D MEMTX_OK; =20 - if (s1.be) { - data =3D address_space_ldq_be(as, s1.gphys, attrs, &result); + if (s1->be) { + data =3D address_space_ldq_be(as, s1->gphys, attrs, &result); } else { - data =3D address_space_ldq_le(as, s1.gphys, attrs, &result); + data =3D address_space_ldq_le(as, s1->gphys, attrs, &result); } if (unlikely(result !=3D MEMTX_OK)) { fi->type =3D ARMFault_SyncExternalOnWalk; @@ -467,6 +451,7 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t= address, int domain =3D 0; int domain_prot; hwaddr phys_addr; + S1TranslateResult s1; uint32_t dacr; =20 /* Pagetable walk. */ @@ -476,7 +461,10 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_= t address, fi->type =3D ARMFault_Translation; goto do_fault; } - desc =3D arm_ldl_ptw(env, table, is_secure, mmu_idx, ptw_idx, fi); + if (!S1_ptw_translate(env, mmu_idx, ptw_idx, table, is_secure, &s1, fi= )) { + goto do_fault; + } + desc =3D arm_ldl_ptw(env, &s1, fi); if (fi->type !=3D ARMFault_None) { goto do_fault; } @@ -514,7 +502,11 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_= t address, /* Fine pagetable. */ table =3D (desc & 0xfffff000) | ((address >> 8) & 0xffc); } - desc =3D arm_ldl_ptw(env, table, is_secure, mmu_idx, ptw_idx, fi); + if (!S1_ptw_translate(env, mmu_idx, ptw_idx, table, + is_secure, &s1, fi)) { + goto do_fault; + } + desc =3D arm_ldl_ptw(env, &s1, fi); if (fi->type !=3D ARMFault_None) { goto do_fault; } @@ -590,6 +582,7 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t= address, int domain_prot; hwaddr phys_addr; uint32_t dacr; + S1TranslateResult s1; bool ns; =20 /* Pagetable walk. */ @@ -599,7 +592,10 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_= t address, fi->type =3D ARMFault_Translation; goto do_fault; } - desc =3D arm_ldl_ptw(env, table, is_secure, mmu_idx, ptw_idx, fi); + if (!S1_ptw_translate(env, mmu_idx, ptw_idx, table, is_secure, &s1, fi= )) { + goto do_fault; + } + desc =3D arm_ldl_ptw(env, &s1, fi); if (fi->type !=3D ARMFault_None) { goto do_fault; } @@ -652,7 +648,11 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_= t address, ns =3D extract32(desc, 3, 1); /* Lookup l2 entry. */ table =3D (desc & 0xfffffc00) | ((address >> 10) & 0x3fc); - desc =3D arm_ldl_ptw(env, table, is_secure, mmu_idx, ptw_idx, fi); + if (!S1_ptw_translate(env, mmu_idx, ptw_idx, table, + is_secure, &s1, fi)) { + goto do_fault; + } + desc =3D arm_ldl_ptw(env, &s1, fi); if (fi->type !=3D ARMFault_None) { goto do_fault; } @@ -1228,13 +1228,18 @@ static bool get_phys_addr_lpae(CPUARMState *env, ui= nt64_t address, */ tableattrs =3D is_secure ? 0 : (1 << 4); for (;;) { + S1TranslateResult s1; uint64_t descriptor; bool nstable; =20 descaddr |=3D (address >> (stride * (4 - level))) & indexmask; descaddr &=3D ~7ULL; nstable =3D extract32(tableattrs, 4, 1); - descriptor =3D arm_ldq_ptw(env, descaddr, !nstable, mmu_idx, ptw_i= dx, fi); + if (!S1_ptw_translate(env, mmu_idx, ptw_idx, descaddr, + !nstable, &s1, fi)) { + goto do_fault; + } + descriptor =3D arm_ldq_ptw(env, &s1, fi); if (fi->type !=3D ARMFault_None) { goto do_fault; } --=20 2.34.1