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Mon, 15 Jul 2024 01:45:44 -0700 (PDT) Date: Mon, 15 Jul 2024 08:45:07 +0000 In-Reply-To: <20240715084519.1189624-1-smostafa@google.com> Mime-Version: 1.0 References: <20240715084519.1189624-1-smostafa@google.com> X-Mailer: git-send-email 2.45.2.993.g49e7a77208-goog Message-ID: <20240715084519.1189624-8-smostafa@google.com> Subject: [PATCH v5 07/18] hw/arm/smmu: Introduce CACHED_ENTRY_TO_ADDR From: Mostafa Saleh To: qemu-arm@nongnu.org, eric.auger@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Cc: jean-philippe@linaro.org, alex.bennee@linaro.org, maz@kernel.org, nicolinc@nvidia.com, julien@xen.org, richard.henderson@linaro.org, marcin.juszkiewicz@linaro.org, Mostafa Saleh 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::1149; envelope-from=3uOGUZggKCgs3xz34lqlrzzrwp.nzx1px5-op6pwyzyry5.z2r@flex--smostafa.bounces.google.com; helo=mail-yw1-x1149.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, 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, USER_IN_DEF_DKIM_WL=-7.5 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @google.com) X-ZM-MESSAGEID: 1721033204519116600 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Soon, smmuv3_do_translate() will be used to translate the CD and the TTBx, instead of re-writting the same logic to convert the returned cached entry to an address, add a new macro CACHED_ENTRY_TO_ADDR. Reviewed-by: Eric Auger Signed-off-by: Mostafa Saleh --- hw/arm/smmuv3.c | 3 +-- include/hw/arm/smmu-common.h | 3 +++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index 11cd12e32f..3f2dfada44 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -951,8 +951,7 @@ epilogue: switch (status) { case SMMU_TRANS_SUCCESS: entry.perm =3D cached_entry->entry.perm; - entry.translated_addr =3D cached_entry->entry.translated_addr + - (addr & cached_entry->entry.addr_mask); + entry.translated_addr =3D CACHED_ENTRY_TO_ADDR(cached_entry, addr); entry.addr_mask =3D cached_entry->entry.addr_mask; trace_smmuv3_translate_success(mr->parent_obj.name, sid, addr, entry.translated_addr, entry.perm, diff --git a/include/hw/arm/smmu-common.h b/include/hw/arm/smmu-common.h index 96eb017e50..eecbebaaac 100644 --- a/include/hw/arm/smmu-common.h +++ b/include/hw/arm/smmu-common.h @@ -37,6 +37,9 @@ #define VMSA_IDXMSK(isz, strd, lvl) ((1ULL << \ VMSA_BIT_LVL(isz, strd, lvl))= - 1) =20 +#define CACHED_ENTRY_TO_ADDR(ent, addr) ((ent)->entry.translated_addr= + \ + ((addr) & (ent)->entry.addr_m= ask)) + /* * Page table walk error types */ --=20 2.45.2.993.g49e7a77208-goog