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Thu, 25 Jul 2024 16:58:18 -0700 (PDT) From: Nicholas Piggin To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, BALATON Zoltan Subject: [PULL 65/96] target/ppc: Reorganise and rename ppc_hash32_pp_prot() Date: Fri, 26 Jul 2024 09:53:38 +1000 Message-ID: <20240725235410.451624-66-npiggin@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240725235410.451624-1-npiggin@gmail.com> References: <20240725235410.451624-1-npiggin@gmail.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::42d; envelope-from=npiggin@gmail.com; helo=mail-pf1-x42d.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, FREEMAIL_FROM=0.001, 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: 2.1.29 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 @gmail.com) X-ZM-MESSAGEID: 1721951948424116600 Content-Type: text/plain; charset="utf-8" From: BALATON Zoltan Reorganise ppc_hash32_pp_prot() swapping the if legs so it does not test for negative first and clean up to make it shorter. Also rename it to ppc_hash32_prot(). Signed-off-by: BALATON Zoltan Reviewed-by: Nicholas Piggin Signed-off-by: Nicholas Piggin --- target/ppc/mmu-hash32.c | 2 +- target/ppc/mmu-hash32.h | 35 +++++++++++++---------------------- target/ppc/mmu_common.c | 2 +- 3 files changed, 15 insertions(+), 24 deletions(-) diff --git a/target/ppc/mmu-hash32.c b/target/ppc/mmu-hash32.c index d5f2057eb1..8a446c8a7d 100644 --- a/target/ppc/mmu-hash32.c +++ b/target/ppc/mmu-hash32.c @@ -45,7 +45,7 @@ static int ppc_hash32_pte_prot(int mmu_idx, key =3D !!(mmuidx_pr(mmu_idx) ? (sr & SR32_KP) : (sr & SR32_KS)); pp =3D pte.pte1 & HPTE32_R_PP; =20 - return ppc_hash32_pp_prot(key, pp, !!(sr & SR32_NX)); + return ppc_hash32_prot(key, pp, !!(sr & SR32_NX)); } =20 static target_ulong hash32_bat_size(int mmu_idx, diff --git a/target/ppc/mmu-hash32.h b/target/ppc/mmu-hash32.h index f0ce6951b4..bc4eedbecc 100644 --- a/target/ppc/mmu-hash32.h +++ b/target/ppc/mmu-hash32.h @@ -102,49 +102,40 @@ static inline void ppc_hash32_store_hpte1(PowerPCCPU = *cpu, stl_phys(CPU(cpu)->as, base + pte_offset + HASH_PTE_SIZE_32 / 2, pte1); } =20 -static inline int ppc_hash32_pp_prot(bool key, int pp, bool nx) +static inline int ppc_hash32_prot(bool key, int pp, bool nx) { int prot; =20 - if (key =3D=3D 0) { + if (key) { switch (pp) { case 0x0: - case 0x1: - case 0x2: - prot =3D PAGE_READ | PAGE_WRITE; + prot =3D 0; break; - + case 0x1: case 0x3: prot =3D PAGE_READ; break; - + case 0x2: + prot =3D PAGE_READ | PAGE_WRITE; + break; default: - abort(); + g_assert_not_reached(); } } else { switch (pp) { case 0x0: - prot =3D 0; - break; - case 0x1: - case 0x3: - prot =3D PAGE_READ; - break; - case 0x2: prot =3D PAGE_READ | PAGE_WRITE; break; - + case 0x3: + prot =3D PAGE_READ; + break; default: - abort(); + g_assert_not_reached(); } } - if (nx =3D=3D 0) { - prot |=3D PAGE_EXEC; - } - - return prot; + return nx ? prot : prot | PAGE_EXEC; } =20 typedef struct { diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index e2542694f0..08c5b61f76 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -120,7 +120,7 @@ static int ppc6xx_tlb_pte_check(mmu_ctx_t *ctx, target_= ulong pte0, } /* Keep the matching PTE information */ ctx->raddr =3D pte1; - ctx->prot =3D ppc_hash32_pp_prot(ctx->key, pp, ctx->nx); + ctx->prot =3D ppc_hash32_prot(ctx->key, pp, ctx->nx); if (check_prot_access_type(ctx->prot, access_type)) { /* Access granted */ qemu_log_mask(CPU_LOG_MMU, "PTE access granted !\n"); --=20 2.45.2