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([71.212.157.236]) by smtp.gmail.com with ESMTPSA id i6-20020a17090a3d8600b001f262f6f717sm10353835pjc.3.2022.08.22.08.31.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Aug 2022 08:31:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=/MKMIebQa16txYgeu/nYxxKn3UXY1gtLHITpx3nLDs0=; b=SbFbWKYCTKD7u0+pleQnrxC3QgGNlzsHrrw6XHewc/uVgJBhtoxAEwb49KAPLxb5fQ rM77hDiA96cK88J0P95nz0ML8lQ1L3HbMOz8iUjszgMtC41faueumI4blOr6zpev3I82 7+Y3ZGN6JnZA/+ve7xUHx6hAdUurIhNVx3frqPT0Zrm4aQitADOrrvWrr80bQmEhdqui 2C3yUprVh9J1nl3KTVqktuTbz7AKflcJ9BCZq73Y4qagELIbeeABH+1xCEizp1PbAkOm 29PL+/Z9yhhbiDkvfnIhQuwJwqu0D7cjJLzF6ilvvWA3TIQ3SW+BQ23V3HuGl9tkDDoU 1keQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=/MKMIebQa16txYgeu/nYxxKn3UXY1gtLHITpx3nLDs0=; b=0XWnzceysmHMcVBJ1ct7xFu9I1hWBaxw1nG06dd2k06yYF8cGmnMu8vkB1bp3N4YGY rFJVmH5IqqPg3+lSTUI42kBM6Khbvz/bC6aAcxR78vsGdb5SYqUIacKgJo7/pLW2RwoF cYrVkrUNasnnpbjDGsde+ueyXEVE/vr6omfoZZEuFkaDS3Fb1mFEx3gpI40rA9ptUe/l 5/pGQDDl1xkRWWaV7cb9xyYcWsQM1s7ioo9FZb/Pe+xuqvbYG6zpVqQuXwbP2gmOVhOj WELhTJyk++3JJ95z6OlxhtNloQW6Xntpwdwwi4OyGT7wbq4mRkVqmqSGsO35hpfi9ZYb Kjlg== X-Gm-Message-State: ACgBeo3rpOmQLf5ajiQOpS4EARomnvEBb3wapqKeaLh4TNtMtwxl8kI2 TCNQ8mZnIQz2bd6IT7s8vgP9Tg+c6VRmEg== X-Google-Smtp-Source: AA6agR5EYu4+i4bENaGnu5mwa9ILuX+PfTBp/AXKjiFcrmmOIXy75mybrSW241MoYt/MVTXdtm4X3g== X-Received: by 2002:a63:c141:0:b0:429:fadb:7138 with SMTP id p1-20020a63c141000000b00429fadb7138mr17126964pgi.563.1661182294791; Mon, 22 Aug 2022 08:31:34 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH v2 60/66] target/arm: Move S1_ptw_translate outside arm_ld[lq]_ptw Date: Mon, 22 Aug 2022 08:27:35 -0700 Message-Id: <20220822152741.1617527-61-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220822152741.1617527-1-richard.henderson@linaro.org> References: <20220822152741.1617527-1-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::52d; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52d.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: 1661193297624100001 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 e898db8765..9ccbc9bd2b 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -267,37 +267,29 @@ 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; @@ -308,37 +300,29 @@ 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; @@ -470,6 +454,7 @@ 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. */ @@ -479,7 +464,10 @@ 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; } @@ -517,7 +505,11 @@ 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; } @@ -593,6 +585,7 @@ 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. */ @@ -602,7 +595,10 @@ 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; } @@ -655,7 +651,11 @@ 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; } @@ -1231,13 +1231,18 @@ 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