From nobody Tue May 21 07:40:32 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1615909936; cv=none; d=zohomail.com; s=zohoarc; b=S7hOjXBeGatCpM0F1gk+HVqghMUcB2KyJs1dSGrgkNvK7hVog/LQT/Jl69Vl+SMlj7sUmAe8q+Yl+GADGMfqC1ELlIZ4Q45XJ3LbB4D6TikhsfQ39Mk7XbVaIu6qQlUi2e5MalmeYFoxM8brDLbLenssfLhIrd7Bvxex7eIIgk4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1615909936; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=WlTbAfLu2DoAZP36+RynW2PahHMoaa5DENcU+NPEN40=; b=JMllE4O4u9qU4rr7NKVw8BMYJd+lsxgvyZzQgm/BbfFpt6zJlkXh55tL2DUESRWRBGtupIUPoeac323yTnHDhGz9ggpq99ni0Xy8P1p8AzroQHQaLObHXqVH+u+cBjN2udweu+vAhIG2bI5RVpGI7vpmgL2204AcGe+F5++x1h0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1615909936848805.7903035278233; Tue, 16 Mar 2021 08:52:16 -0700 (PDT) Received: from localhost ([::1]:47054 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMBzT-0001WY-ML for importer@patchew.org; Tue, 16 Mar 2021 11:52:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33164) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMBwk-0007xs-Dv for qemu-devel@nongnu.org; Tue, 16 Mar 2021 11:49:26 -0400 Received: from mail-qv1-xf2e.google.com ([2607:f8b0:4864:20::f2e]:33763) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lMBwh-0002Ok-AI for qemu-devel@nongnu.org; Tue, 16 Mar 2021 11:49:26 -0400 Received: by mail-qv1-xf2e.google.com with SMTP id o19so3762508qvu.0 for ; Tue, 16 Mar 2021 08:49:22 -0700 (PDT) Received: from cube.nuviainc.com (c-174-52-16-57.hsd1.ut.comcast.net. [174.52.16.57]) by smtp.gmail.com with ESMTPSA id n5sm14855623qkp.133.2021.03.16.08.49.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 08:49:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nuviainc-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=WlTbAfLu2DoAZP36+RynW2PahHMoaa5DENcU+NPEN40=; b=BZILsCtjls60M4urfqpey8G8vANWNyQRWC804yS+bJ8sXl0YGkokI/vNAzW98CwYj5 Eg5pYnjq9U9Y/jWAUoI4KqOhDzMifUfOxnN566wkwvWKUxIDmcveeDRlLDbs46yeVMCy +SpDxK2DXM84LvybzIlDY7cSWmgdRb2odN1jPPsHswYgtKZ+2SzrBHYFiqiSMQ3CuD+Z zEfzkWRFfi1uPA8oh7YtLBhHxQBNtkr/BgCWWObm6qfMLoYgUAFDwQoC6tae1/73q+62 nAyX0mGulQrhtnc1vxkUNFXGIIH6IaLyz/1mpT1QaYVE5qzZCmLd8romvzqHOuk1rC91 +WzQ== 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=WlTbAfLu2DoAZP36+RynW2PahHMoaa5DENcU+NPEN40=; b=L1gEhWlqHBFavlOgjArmkz5/v0ymy1jLd8aHukjstE78pU3IGGs0tKEguxiI2WTnTh rnAamlecTmB8116Js1I6q0Nz5QcyF+hiwiP3YJRhatyAt7yi+2NTIJPRxTa1+tfqj7qw OQg3CNlBgdbO0PC6ZbpDVcPESA4tHmLFBiYsdLjhuziA7VaRTahhs19F9qRAXnBdzGVa JjE4U7uKKJeiH6NVsX5oTZUc37jPPjF0/mfvWV3QOSCP6Q1RrK70IeJp98e8WbEqBYIX CCI+HumHVHFdH9fAyaNpnuQdOLcy00ii+uAVrqdvdfRYxvoHTWlsGFt186uRRxQ7sspk tn6Q== X-Gm-Message-State: AOAM532Hy6+cHGEI6PmJY3vZF0fpqpF0LBBdAn6yvCweYgV6CL+lOtis MavlV/NafgFFHko/xGpvIraZ3Q== X-Google-Smtp-Source: ABdhPJygwVBSJXcjSJWedt+Y4bS07/wCZ13fAWJ3KHP8DBds898N2kLvo0k1iEgtXQgNQFUHjqKGKQ== X-Received: by 2002:a0c:f805:: with SMTP id r5mr281051qvn.45.1615909762128; Tue, 16 Mar 2021 08:49:22 -0700 (PDT) From: Rebecca Cran To: Peter Maydell , Richard Henderson , qemu-arm@nongnu.org Subject: [PATCH v4 1/3] target/arm: Add support for FEAT_TLBIRANGE Date: Tue, 16 Mar 2021 09:49:08 -0600 Message-Id: <20210316154910.25804-2-rebecca@nuviainc.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210316154910.25804-1-rebecca@nuviainc.com> References: <20210316154910.25804-1-rebecca@nuviainc.com> 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::f2e; envelope-from=rebecca@nuviainc.com; helo=mail-qv1-xf2e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Rebecca Cran , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @nuviainc-com.20150623.gappssmtp.com) Content-Type: text/plain; charset="utf-8" ARMv8.4 adds the mandatory FEAT_TLBIRANGE. It provides TLBI maintenance instructions that apply to a range of input addresses. Signed-off-by: Rebecca Cran --- accel/tcg/cputlb.c | 135 +++++++++ include/exec/exec-all.h | 45 +++ target/arm/cpu.h | 5 + target/arm/helper.c | 318 ++++++++++++++++++++ 4 files changed, 503 insertions(+) diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index 8a7b779270a4..5ef2a562f4d3 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -943,6 +943,141 @@ void tlb_flush_page_bits_by_mmuidx_all_cpus_synced(CP= UState *src_cpu, } } =20 +typedef struct { + target_ulong addr; + target_ulong length; + uint16_t idxmap; + uint16_t bits; +} TLBFlushPageRangeBitsByMMUIdxData; + +static void +tlb_flush_page_range_bits_by_mmuidx_async_0(CPUState *cpu, + target_ulong addr, + target_ulong length, + uint16_t idxmap, + unsigned bits) +{ + CPUArchState *env =3D cpu->env_ptr; + int mmu_idx; + target_ulong page; + + assert_cpu_is_self(cpu); + + tlb_debug("page addr:" TARGET_FMT_lx "/%u len: " TARGET_FMT_lx + " mmu_map:0x%x\n", + addr, bits, length, idxmap); + + qemu_spin_lock(&env_tlb(env)->c.lock); + for (page =3D addr; page < (addr + length); page +=3D TARGET_PAGE_SIZE= ) { + for (mmu_idx =3D 0; mmu_idx < NB_MMU_MODES; mmu_idx++) { + if ((idxmap >> mmu_idx) & 1) { + tlb_flush_page_bits_locked(env, mmu_idx, page, bits); + tb_flush_jmp_cache(cpu, page); + } + } + } + qemu_spin_unlock(&env_tlb(env)->c.lock); +} + +static void +tlb_flush_page_range_bits_by_mmuidx_async_1(CPUState *cpu, + run_on_cpu_data data) +{ + TLBFlushPageRangeBitsByMMUIdxData *d =3D data.host_ptr; + + tlb_flush_page_range_bits_by_mmuidx_async_0(cpu, d->addr, d->length, + d->idxmap, d->bits); + + g_free(d); +} + +void tlb_flush_page_range_bits_by_mmuidx(CPUState *cpu, + target_ulong addr, + target_ulong length, + uint16_t idxmap, + unsigned bits) +{ + TLBFlushPageRangeBitsByMMUIdxData d; + TLBFlushPageRangeBitsByMMUIdxData *p; + + /* This should already be page aligned */ + addr &=3D TARGET_PAGE_BITS; + + /* If all bits are significant, this devolves to tlb_flush_page. */ + if (bits >=3D TARGET_LONG_BITS) { + tlb_flush_page_by_mmuidx(cpu, addr, idxmap); + return; + } + /* If no page bits are significant, this devolves to tlb_flush. */ + if (bits < TARGET_PAGE_BITS) { + tlb_flush_by_mmuidx(cpu, idxmap); + return; + } + + d.addr =3D addr & TARGET_PAGE_MASK; + d.idxmap =3D idxmap; + d.bits =3D bits; + d.length =3D length; + + if (qemu_cpu_is_self(cpu)) { + tlb_flush_page_range_bits_by_mmuidx_async_0(cpu, addr, length, + idxmap, bits); + } else { + p =3D g_new(TLBFlushPageRangeBitsByMMUIdxData, 1); + + /* Allocate a structure, freed by the worker. */ + *p =3D d; + async_run_on_cpu(cpu, tlb_flush_page_range_bits_by_mmuidx_async_1, + RUN_ON_CPU_HOST_PTR(p)); + } +} + +void tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(CPUState *src_cpu, + target_ulong addr, + target_ulong leng= th, + uint16_t idxmap, + unsigned bits) +{ + TLBFlushPageRangeBitsByMMUIdxData d; + TLBFlushPageRangeBitsByMMUIdxData *p; + CPUState *dst_cpu; + + /* This should already be page aligned */ + addr &=3D TARGET_PAGE_BITS; + + /* If all bits are significant, this devolves to tlb_flush_page. */ + if (bits >=3D TARGET_LONG_BITS) { + tlb_flush_page_by_mmuidx_all_cpus_synced(src_cpu, addr, idxmap); + return; + } + /* If no page bits are significant, this devolves to tlb_flush. */ + if (bits < TARGET_PAGE_BITS) { + tlb_flush_by_mmuidx_all_cpus_synced(src_cpu, idxmap); + return; + } + + d.addr =3D addr; + d.idxmap =3D idxmap; + d.bits =3D bits; + d.length =3D length; + + /* Allocate a separate data block for each destination cpu. */ + CPU_FOREACH(dst_cpu) { + if (dst_cpu !=3D src_cpu) { + p =3D g_new(TLBFlushPageRangeBitsByMMUIdxData, 1); + *p =3D d; + async_run_on_cpu(dst_cpu, + tlb_flush_page_range_bits_by_mmuidx_async_1, + RUN_ON_CPU_HOST_PTR(p)); + } + } + + p =3D g_new(TLBFlushPageRangeBitsByMMUIdxData, 1); + *p =3D d; + async_safe_run_on_cpu(src_cpu, tlb_flush_page_range_bits_by_mmuidx_asy= nc_1, + RUN_ON_CPU_HOST_PTR(p)); +} + /* update the TLBs so that writes to code in the virtual page 'addr' can be detected */ void tlb_protect_code(ram_addr_t ram_addr) diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 6b036cae8f65..833e8d654a1c 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -212,6 +212,37 @@ void tlb_flush_page_by_mmuidx_all_cpus(CPUState *cpu, = target_ulong addr, */ void tlb_flush_page_by_mmuidx_all_cpus_synced(CPUState *cpu, target_ulong = addr, uint16_t idxmap); +/** + * tlb_flush_page_range_by_mmuidx: + * @cpu: CPU whose TLB should be flushed + * @addr: virtual address of start of page range to be flushed + * @length: the number of bytes to be flushed + * @idxmap: bitmap of MMU indexes to flush + * + * Flush a range of pages from the TLB of the specified CPU, for the speci= fied + * MMU indexes. + */ +void tlb_flush_page_range_bits_by_mmuidx(CPUState *cpu, target_ulong addr, + target_ulong length, uint16_t idx= map, + unsigned bits); +/** + * tlb_flush_page_range_by_mmuidx_all_cpus_synced: + * @cpu: Originating CPU of the flush + * @addr: virtual address of start of page range to be flushed + * @length: the number of bytes to be flushed + * @idxmap: bitmap of MMU indexes to flush + * + * Flush a range of pages from the TLB of all CPUs, for the specified MMU + * indexes like tlb_flush_page_by_mmuidx_all_cpus except the source + * vCPUs work is scheduled as safe work meaning all flushes will be + * complete once the source vCPUs safe work is complete. This will + * depend on when the guests translation ends the TB. + */ +void tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(CPUState *cpu, + target_ulong addr, + target_ulong leng= th, + uint16_t idxmap, + unsigned bits); /** * tlb_flush_by_mmuidx: * @cpu: CPU whose TLB should be flushed @@ -313,6 +344,20 @@ static inline void tlb_flush_page_all_cpus_synced(CPUS= tate *src, target_ulong addr) { } +static inline void tlb_flush_page_range_bits_by_mmuidx(CPUState *cpu, + target_ulong addr, + target_ulong length, + uint16_t idxmap, + unsigned bits) +{ +} +static inline void tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(CPU= State *src_cpu, + tar= get_ulong addr, + tar= get_ulong length, + uin= t16_t idxmap, + uns= igned bits) +{ +} static inline void tlb_flush(CPUState *cpu) { } diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 193a49ec7fac..32b78a4ef587 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -4038,6 +4038,11 @@ static inline bool isar_feature_aa64_pauth_arch(cons= t ARMISARegisters *id) return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, APA) !=3D 0; } =20 +static inline bool isar_feature_aa64_tlbirange(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) =3D=3D 2; +} + static inline bool isar_feature_aa64_sb(const ARMISARegisters *id) { return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SB) !=3D 0; diff --git a/target/arm/helper.c b/target/arm/helper.c index d9220be7c5a0..7133454330d3 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -4759,6 +4759,241 @@ static void tlbi_aa64_vae3is_write(CPUARMState *env= , const ARMCPRegInfo *ri, ARMMMUIdxBit_SE3, bits); } =20 +#ifdef TARGET_AARCH64 +static uint64_t tlbi_aa64_range_get_length(CPUARMState *env, + uint64_t value) +{ + unsigned int page_size; + unsigned int page_size_granule; + uint64_t num; + uint64_t scale; + uint64_t exponent; + uint64_t length; + + num =3D extract64(value, 39, 4); + scale =3D extract64(value, 44, 2); + page_size_granule =3D extract64(value, 46, 2); + + switch (page_size_granule) { + case 1: + page_size =3D 4096; + break; + case 2: + page_size =3D 16384; + break; + case 3: + page_size =3D 65536; + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "Invalid page size granule %d\n", + page_size_granule); + return 0; + } + + exponent =3D (5 * scale) + 1; + length =3D ((num + 1) << exponent) * page_size; + + return length; +} + +static void tlbi_aa64_rvae1_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* + * Invalidate by VA range, EL1&0. + * Currently handles all of RVAE1, RVAAE1, RVAALE1 and RVALE1, + * since we don't support flush-for-specific-ASID-only or + * flush-last-level-only. + */ + ARMMMUIdx mask; + int bits; + uint64_t pageaddr; + uint64_t length; + + CPUState *cs =3D env_cpu(env); + mask =3D vae1_tlbmask(env); + if (regime_has_2_ranges(mask)) { + pageaddr =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; + } else { + pageaddr =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; + } + length =3D tlbi_aa64_range_get_length(env, value); + bits =3D tlbbits_for_regime(env, mask, pageaddr); + + if (tlb_force_broadcast(env)) { + tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(cs, pageaddr, + length, mask, + bits); + } else { + tlb_flush_page_range_bits_by_mmuidx(cs, pageaddr, length, mask, + bits); + } +} + +static void tlbi_aa64_rvae1is_write(CPUARMState *env, const ARMCPRegInfo *= ri, + uint64_t value) +{ + /* + * Invalidate by VA range, Inner/Outer Shareable EL1&0. + * Currently handles all of RVAE1IS, RVAE1OS, RVAAE1IS, RVAAE1OS, + * RVAALE1IS, RVAALE1OS, RVALE1IS and RVALE1OS, since we don't support + * flush-for-specific-ASID-only, flush-last-level-only or inner/outer + * shareable specific flushes. + */ + ARMMMUIdx mask; + int bits; + uint64_t pageaddr; + uint64_t length; + + CPUState *cs =3D env_cpu(env); + mask =3D vae1_tlbmask(env); + if (regime_has_2_ranges(mask)) { + pageaddr =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; + } else { + pageaddr =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; + } + length =3D tlbi_aa64_range_get_length(env, value); + bits =3D tlbbits_for_regime(env, mask, pageaddr); + + tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(cs, pageaddr, + length, mask, + bits); +} + +static void tlbi_aa64_rvae2_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* + * Invalidate by VA range, EL2. + * Currently handles all of RVAE2, RVAAE2, RVAALE2 and RVALE2, + * since we don't support flush-for-specific-ASID-only or + * flush-last-level-only. + */ + ARMMMUIdx mask; + bool secure; + int bits; + uint64_t pageaddr; + uint64_t length; + + CPUState *cs =3D env_cpu(env); + secure =3D arm_is_secure_below_el3(env); + if (regime_has_2_ranges(secure ? ARMMMUIdxBit_SE2 : ARMMMUIdxBit_E2)) { + pageaddr =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; + } else { + pageaddr =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; + } + length =3D tlbi_aa64_range_get_length(env, value); + mask =3D secure ? ARMMMUIdxBit_SE2 : ARMMMUIdxBit_E2; + bits =3D tlbbits_for_regime(env, secure ? ARMMMUIdxBit_SE2 : ARMMMUIdx= Bit_E2, + pageaddr); + + if (tlb_force_broadcast(env)) { + tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(cs, pageaddr, + length, mask, + bits); + } else { + tlb_flush_page_range_bits_by_mmuidx(cs, pageaddr, length, mask, + bits); + } +} + +static void tlbi_aa64_rvae2is_write(CPUARMState *env, const ARMCPRegInfo *= ri, + uint64_t value) +{ + /* + * Invalidate by VA range, Inner/Outer Shareable, EL2. + * Currently handles all of RVAE2IS, RVAE2OS, RVAAE2IS, RVAAE2OS, + * RVAALE2IS, RVAALE2OS, RVALE2IS and RVALE2OS, since we don't support + * flush-for-specific-ASID-only, flush-last-level-only or inner/outer + * shareable specific flushes. + */ + ARMMMUIdx mask; + bool secure; + int bits; + uint64_t pageaddr; + uint64_t length; + + CPUState *cs =3D env_cpu(env); + secure =3D arm_is_secure_below_el3(env); + if (regime_has_2_ranges(secure ? ARMMMUIdxBit_SE2 : ARMMMUIdxBit_E2)) { + pageaddr =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; + } else { + pageaddr =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; + } + length =3D tlbi_aa64_range_get_length(env, value); + mask =3D secure ? ARMMMUIdxBit_SE2 : ARMMMUIdxBit_E2; + bits =3D tlbbits_for_regime(env, secure ? ARMMMUIdxBit_SE2 : ARMMMUIdx= Bit_E2, + pageaddr); + + tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(cs, pageaddr, + length, mask, + bits); +} + +static void tlbi_aa64_rvae3_write(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + /* + * Invalidate by VA range, EL3. + * Currently handles all of RVAE3, RVAAE3, RVAALE3 and RVALE3, + * since we don't support flush-for-specific-ASID-only or + * flush-last-level-only. + */ + int bits; + uint64_t pageaddr; + uint64_t length; + + CPUState *cs =3D env_cpu(env); + if (regime_has_2_ranges(ARMMMUIdxBit_SE3)) { + pageaddr =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; + } else { + pageaddr =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; + } + length =3D tlbi_aa64_range_get_length(env, value); + bits =3D tlbbits_for_regime(env, ARMMMUIdx_SE3, pageaddr); + + if (tlb_force_broadcast(env)) { + tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(cs, pageaddr, + length, + ARMMMUIdxBit_S= E3, + bits); + } else { + tlb_flush_page_range_bits_by_mmuidx(cs, pageaddr, length, + ARMMMUIdxBit_SE3, + bits); + } +} + +static void tlbi_aa64_rvae3is_write(CPUARMState *env, const ARMCPRegInfo *= ri, + uint64_t value) +{ + /* + * Invalidate by VA range, EL3, Inner/Outer Shareable. + * Currently handles all of RVAE3IS, RVAE3OS, RVAAE3IS, RVAAE3OS, + * RVAALE3IS, RVAALE3OS, RVALE3IS, and RVALE3OS, since we don't support + * flush-for-specific-ASID-only, flush-last-level-only or inner/outer + * specific flushes. + */ + int bits; + uint64_t pageaddr; + uint64_t length; + + CPUState *cs =3D env_cpu(env); + if (regime_has_2_ranges(ARMMMUIdxBit_SE3)) { + pageaddr =3D sextract64(value, 0, 37) << TARGET_PAGE_BITS; + } else { + pageaddr =3D extract64(value, 0, 37) << TARGET_PAGE_BITS; + } + length =3D tlbi_aa64_range_get_length(env, value); + bits =3D tlbbits_for_regime(env, ARMMMUIdx_SE3, pageaddr); + + tlb_flush_page_range_bits_by_mmuidx_all_cpus_synced(cs, pageaddr, + length, + ARMMMUIdxBit_SE3, + bits); +} +#endif + static CPAccessResult aa64_zva_access(CPUARMState *env, const ARMCPRegInfo= *ri, bool isread) { @@ -6920,6 +7155,86 @@ static const ARMCPRegInfo pauth_reginfo[] =3D { REGINFO_SENTINEL }; =20 +static const ARMCPRegInfo tlbirange_reginfo[] =3D { + { .name =3D "TLBI_RVAE1IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 2, .opc2 =3D 1, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_RVAAE1IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 2, .opc2 =3D 3, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_RVALE1IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 2, .opc2 =3D 5, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_RVAALE1IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 2, .opc2 =3D 7, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_RVAE1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 6, .opc2 =3D 1, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1_write }, + { .name =3D "TLBI_RVAAE1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 6, .opc2 =3D 3, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1_write }, + { .name =3D "TLBI_RVALE1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 6, .opc2 =3D 5, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1_write }, + { .name =3D "TLBI_RVAALE1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 6, .opc2 =3D 7, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1_write }, + { .name =3D "TLBI_RIPAS2E1IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 0, .opc2 =3D 2, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_RIPAS2LE1IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 0, .opc2 =3D 6, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_RVAE2IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 2, .opc2 =3D 1, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae2is_write }, + { .name =3D "TLBI_RVALE2IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 2, .opc2 =3D 5, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae2is_write }, + { .name =3D "TLBI_RIPAS2E1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 4, .opc2 =3D 2, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_RIPAS2LE1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 4, .opc2 =3D 6, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_RVAE2", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 6, .opc2 =3D 1, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae2_write }, + { .name =3D "TLBI_RVALE2", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 6, .opc2 =3D 5, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae2_write }, + { .name =3D "TLBI_RVAE3IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 6, .crn =3D 8, .crm =3D 2, .opc2 =3D 1, + .access =3D PL3_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae3is_write }, + { .name =3D "TLBI_RVALE3IS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 6, .crn =3D 8, .crm =3D 2, .opc2 =3D 5, + .access =3D PL3_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae3is_write }, + { .name =3D "TLBI_RVAE3", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 6, .crn =3D 8, .crm =3D 6, .opc2 =3D 1, + .access =3D PL3_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae3_write }, + { .name =3D "TLBI_RVALE3", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 6, .crn =3D 8, .crm =3D 6, .opc2 =3D 5, + .access =3D PL3_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae3_write }, + REGINFO_SENTINEL +}; + static uint64_t rndr_readfn(CPUARMState *env, const ARMCPRegInfo *ri) { Error *err =3D NULL; @@ -8289,6 +8604,9 @@ void register_cp_regs_for_features(ARMCPU *cpu) if (cpu_isar_feature(aa64_rndr, cpu)) { define_arm_cp_regs(cpu, rndr_reginfo); } + if (cpu_isar_feature(aa64_tlbirange, cpu)) { + define_arm_cp_regs(cpu, tlbirange_reginfo); + } #ifndef CONFIG_USER_ONLY /* Data Cache clean instructions up to PoP */ if (cpu_isar_feature(aa64_dcpop, cpu)) { --=20 2.26.2 From nobody Tue May 21 07:40:32 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1615909988; cv=none; d=zohomail.com; s=zohoarc; b=OYFJ9jUl+it+Ct5qiREx+88QM6uVCLs2LLyzZHNTu0UgITdrOV1ACojTXyourR5LBgDifLPR9RMy1UjhWW99MExum6zR4p6imlOh4qEXGc4brOmKi2vl7Ow29jLdvoPiyRuzJh9Eh7iTtn+mE4t3lRLaXXFqjktVkMB0geqJyDE= ARC-Message-Signature: i=1; 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[174.52.16.57]) by smtp.gmail.com with ESMTPSA id n5sm14855623qkp.133.2021.03.16.08.49.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 08:49:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nuviainc-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=c1KETVQxlesPGOxLpbPCGBEToWENT6MfthnXoeOv+EA=; b=pHp8HwcI5t1R7qryBqakQXCh5IuzqcGtBDtkQw2hSeeX3Ox2oUCUssRpoLx3QsuZBq 2RswZ2dLXD1Xsnw0vQj2ekAoygmT+NrdH+7dmLxhhwp4Xd3d5/nUBQzi2cI/FurJstw9 4Ia7B8l0mpriiKsAFwVXP/Jz0cbT35R0BgyiUFecvh8QwjsGbV8qidjeOSLIvOW2JJDW uKcshc6FOAR299A4DiO0AborotHyxd8quTehh2MmX/Ifh7BzZPK4gizJuuz1htnkGNz+ wBhgsIYSBcgvVzXgAQfWn9rqs8QeW0JbRu3a3EnCcoXjwDYarcE8ASodZbkOHwnYWpNn JzDA== 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=c1KETVQxlesPGOxLpbPCGBEToWENT6MfthnXoeOv+EA=; b=f7ferEGYw+wqoxPO4qlry+LoLO7k04m7DiDiIP6bHBh7gOsXPK145hJjeRhYegZ4/6 FI1mbag1CUQv7bwcMoHDZpLFEKqCxFCGAwaxmKqrB6EuozwhY8qUNoFhX8IPUh6aylR8 qZuYEFtwpCWm1YG0v1MAsITNVQm2gexBfsL4JX6U5Z1CNM46n4Jlava2VyKRzB8ccz8F cBa63Cx2WDjZw7zUuypY2m8flnAXTTBJ7AarTyhxeCvy4z3Tcc70tbmR49ZTeYVEJoFp cERFTNeqH9Vr86RbCZVNZhFcvHF897FJBR6EyA5eQwE0rM6pM+1MGbkRBwlWF/ao2b7K b2tg== X-Gm-Message-State: AOAM530hMFBBbTJ4fiy+4AxFTKPxeqHktHqvwfSLrznoR9yoSn0VNxTC pT6b4zV6oQMvDePGwei0raM4qQ== X-Google-Smtp-Source: ABdhPJz/KsGFEcv+vCjX1m2dEdnvlAI1jsVDifMlnDyt6CFCoorLw5fNRX2XYf3m5OiMIMux/9rOlQ== X-Received: by 2002:ac8:7b8b:: with SMTP id p11mr295944qtu.57.1615909763487; Tue, 16 Mar 2021 08:49:23 -0700 (PDT) From: Rebecca Cran To: Peter Maydell , Richard Henderson , qemu-arm@nongnu.org Subject: [PATCH v4 2/3] target/arm: Add support for FEAT_TLBIOS Date: Tue, 16 Mar 2021 09:49:09 -0600 Message-Id: <20210316154910.25804-3-rebecca@nuviainc.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210316154910.25804-1-rebecca@nuviainc.com> References: <20210316154910.25804-1-rebecca@nuviainc.com> 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::836; envelope-from=rebecca@nuviainc.com; helo=mail-qt1-x836.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Rebecca Cran , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @nuviainc-com.20150623.gappssmtp.com) Content-Type: text/plain; charset="utf-8" ARMv8.4 adds the mandatory FEAT_TLBIOS. It provides TLBI maintenance instructions that extend to the Outer Shareable domain. Signed-off-by: Rebecca Cran --- target/arm/cpu.h | 5 ++ target/arm/helper.c | 75 ++++++++++++++++++++ 2 files changed, 80 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 32b78a4ef587..272fde83ca4e 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -4043,6 +4043,11 @@ static inline bool isar_feature_aa64_tlbirange(const= ARMISARegisters *id) return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) =3D=3D 2; } =20 +static inline bool isar_feature_aa64_tlbios(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) !=3D 0; +} + static inline bool isar_feature_aa64_sb(const ARMISARegisters *id) { return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SB) !=3D 0; diff --git a/target/arm/helper.c b/target/arm/helper.c index 7133454330d3..afcbb5e30c18 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -7235,6 +7235,78 @@ static const ARMCPRegInfo tlbirange_reginfo[] =3D { REGINFO_SENTINEL }; =20 +static const ARMCPRegInfo tlbios_reginfo[] =3D { + { .name =3D "TLBI_VMALLE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 1, .opc2 =3D 0, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_vmalle1is_write }, + { .name =3D "TLBI_ASIDE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 1, .opc2 =3D 2, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_vmalle1is_write }, + { .name =3D "TLBI_RVAE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 5, .opc2 =3D 1, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_RVAAE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 5, .opc2 =3D 3, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_RVALE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 5, .opc2 =3D 5, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_RVAALE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 0, .crn =3D 8, .crm =3D 5, .opc2 =3D 7, + .access =3D PL1_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae1is_write }, + { .name =3D "TLBI_ALLE2OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 1, .opc2 =3D 0, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_alle2is_write }, + { .name =3D "TLBI_ALLE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 1, .opc2 =3D 4, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_alle1is_write }, + { .name =3D "TLBI_VMALLS12E1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 1, .opc2 =3D 6, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_alle1is_write }, + { .name =3D "TLBI_IPAS2E1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 4, .opc2 =3D 0, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_RIPAS2E1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 4, .opc2 =3D 3, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_IPAS2LE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 4, .opc2 =3D 4, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_RIPAS2LE1OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 4, .opc2 =3D 7, + .access =3D PL2_W, .type =3D ARM_CP_NOP }, + { .name =3D "TLBI_RVAE2OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 5, .opc2 =3D 1, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae2is_write }, + { .name =3D "TLBI_RVALE2OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 4, .crn =3D 8, .crm =3D 5, .opc2 =3D 5, + .access =3D PL2_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae2is_write }, + { .name =3D "TLBI_ALLE3OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 6, .crn =3D 8, .crm =3D 1, .opc2 =3D 0, + .access =3D PL3_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_alle3is_write }, + { .name =3D "TLBI_RVAE3OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 6, .crn =3D 8, .crm =3D 5, .opc2 =3D 1, + .access =3D PL3_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae3is_write }, + { .name =3D "TLBI_RVALE3OS", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 1, .opc1 =3D 6, .crn =3D 8, .crm =3D 5, .opc2 =3D 5, + .access =3D PL3_W, .type =3D ARM_CP_NO_RAW, + .writefn =3D tlbi_aa64_rvae3is_write }, + REGINFO_SENTINEL +}; + static uint64_t rndr_readfn(CPUARMState *env, const ARMCPRegInfo *ri) { Error *err =3D NULL; @@ -8607,6 +8679,9 @@ void register_cp_regs_for_features(ARMCPU *cpu) if (cpu_isar_feature(aa64_tlbirange, cpu)) { define_arm_cp_regs(cpu, tlbirange_reginfo); } + if (cpu_isar_feature(aa64_tlbios, cpu)) { + define_arm_cp_regs(cpu, tlbios_reginfo); + } #ifndef CONFIG_USER_ONLY /* Data Cache clean instructions up to PoP */ if (cpu_isar_feature(aa64_dcpop, cpu)) { --=20 2.26.2 From nobody Tue May 21 07:40:32 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1615909937; cv=none; d=zohomail.com; s=zohoarc; b=BrrLMedwW8DEoHv01t/3P71+hCdbrQuec21NIbqzrG2Pco4gdyxEnv0FbN0ziULhsssdEUANFfxGLXBWqXSXinMJ79Li8z6p3GiB/A/VI0pHydXVJhCom9eZoYoJudBHm8ksC5aZYtzarBPtB7OugkasymiBDoKQServINOHumg= ARC-Message-Signature: i=1; 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[174.52.16.57]) by smtp.gmail.com with ESMTPSA id n5sm14855623qkp.133.2021.03.16.08.49.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Mar 2021 08:49:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nuviainc-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=uNizM5dd+njefSGglfwPGotA4yVew4h3gSREpFzckEs=; b=VS8mzgVY32MG68ZlVn116fF8dj2TmmkgFUpbQStbKazVD1iikaWakiviSM3pYNKUL6 Dc4pc+hTXPdOq438cBzaNUYXPpt0m9qGDAiqdhbbiVlFYncpkRgPq4J0OWhrZ18oVECQ nJGA/OxfJgq2g/h+mV3tMhI6lem76C3pG5xZHgy2iXJaY4ygKofS0HyP2d6vMiKxb7gs f//jKmVYNQ8Fzkp89seFkBiXMspbu8NCeycLu4OU8KBfhfT4GKSTI2Gevc051PompavD 0EavpcT3MDHarfvpUkyDY5ARifVg4KtUl1V+QPWChWbzbdeemwpQ5F61J29n4yy7bnb1 Z9tg== 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=uNizM5dd+njefSGglfwPGotA4yVew4h3gSREpFzckEs=; b=XQJedZqc3gqiX697y9UDQRgBAYzABLm8DiUUCjQM50N/e80KCRCL5fz25I1Y5v0Jpy yXkyKFuCV84JRHKe/EyxiOId5PL8UQ/vZ+AsxiP/MzRzlsgkS3XYRvLp4AQzNpQhLZIo RQhkcSzgR9MKJVRveWOIO4mkyfp0yW1JErx8UmCP/cnSURDk0s7XRJ9fP10CdolfQVAA BTNnQ0uAja/QN5Dv60V46MxzYlfJcLMsuNZDF+lsHx7ODvHHxpxLrQ/YBRceT/uPEfFP OivZtdZUW/TC4njaF/u5P5e7PQlU1xssnK1tzVuk+NMMPn0XBj0qae2hlYDz7C52f20G P9Yw== X-Gm-Message-State: AOAM530O6BfFdFf7TtaNtUtVyB9wmJS6woojajqFi0MgjCjay6CzCiz1 r2vKuWrl5/6INfjfS+HXZJABrg== X-Google-Smtp-Source: ABdhPJwaBk5IHk3RcVXt+VAkKlrU+NziUZY5BdXP+Q1sfxfXhhg5TtKDf3R61IKgPAofKM2SW0Qdug== X-Received: by 2002:a37:a38e:: with SMTP id m136mr254106qke.250.1615909764899; Tue, 16 Mar 2021 08:49:24 -0700 (PDT) From: Rebecca Cran To: Peter Maydell , Richard Henderson , qemu-arm@nongnu.org Subject: [PATCH v4 3/3] target/arm: set ID_AA64ISAR0.TLB to 2 for max AARCH64 CPU type Date: Tue, 16 Mar 2021 09:49:10 -0600 Message-Id: <20210316154910.25804-4-rebecca@nuviainc.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210316154910.25804-1-rebecca@nuviainc.com> References: <20210316154910.25804-1-rebecca@nuviainc.com> 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::735; envelope-from=rebecca@nuviainc.com; helo=mail-qk1-x735.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-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: Rebecca Cran , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @nuviainc-com.20150623.gappssmtp.com) Content-Type: text/plain; charset="utf-8" Indicate support for FEAT_TLBIOS and FEAT_TLBIRANGE by setting ID_AA64ISAR0.TLB to 2 for the max AARCH64 CPU type. Signed-off-by: Rebecca Cran Reviewed-by: Richard Henderson --- target/arm/cpu64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index f0a9e968c9c1..f42803ecaf1d 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -651,6 +651,7 @@ static void aarch64_max_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64ISAR0, DP, 1); t =3D FIELD_DP64(t, ID_AA64ISAR0, FHM, 1); t =3D FIELD_DP64(t, ID_AA64ISAR0, TS, 2); /* v8.5-CondM */ + t =3D FIELD_DP64(t, ID_AA64ISAR0, TLB, 2); /* FEAT_TLBIRANGE */ t =3D FIELD_DP64(t, ID_AA64ISAR0, RNDR, 1); cpu->isar.id_aa64isar0 =3D t; =20 --=20 2.26.2