From nobody Mon Nov 25 10:29:16 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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; dmarc=fail(p=none dis=none) header.from=eik.bme.hu Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 171676557563847.50653167770906; Sun, 26 May 2024 16:19:35 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sBN5o-0007dh-U5; Sun, 26 May 2024 19:15:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sBN5F-0005xW-ET; Sun, 26 May 2024 19:15:21 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sBN5B-0003pS-1W; Sun, 26 May 2024 19:15:21 -0400 Received: from zero.eik.bme.hu (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id 6DBE74E64CB; Mon, 27 May 2024 01:13:03 +0200 (CEST) Received: from zero.eik.bme.hu ([127.0.0.1]) by zero.eik.bme.hu (zero.eik.bme.hu [127.0.0.1]) (amavisd-new, port 10028) with ESMTP id 5ZEV8h3ATVhg; Mon, 27 May 2024 01:13:01 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 7F7B94E642D; Mon, 27 May 2024 01:13:01 +0200 (CEST) X-Virus-Scanned: amavisd-new at eik.bme.hu Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 25/43] target/ppc: Remove bat_size_prot() MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: Nicholas Piggin , Daniel Henrique Barboza Date: Mon, 27 May 2024 01:13:01 +0200 (CEST) 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=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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-ZM-MESSAGEID: 1716765575788100002 Content-Type: text/plain; charset="utf-8" There is already a hash32_bat_prot() function that does most if this and the rest can be inlined. Export hash32_bat_prot() and rename it to ppc_hash32_bat_prot() to match other functions and use it in get_bat_6xx_tlb(). Signed-off-by: BALATON Zoltan Reviewed-by: Nicholas Piggin --- target/ppc/mmu-hash32.c | 18 +------------- target/ppc/mmu-hash32.h | 14 +++++++++++ target/ppc/mmu_common.c | 52 ++++++++++------------------------------- 3 files changed, 27 insertions(+), 57 deletions(-) diff --git a/target/ppc/mmu-hash32.c b/target/ppc/mmu-hash32.c index 160311de87..6f0f0bbb00 100644 --- a/target/ppc/mmu-hash32.c +++ b/target/ppc/mmu-hash32.c @@ -48,22 +48,6 @@ static target_ulong hash32_bat_size(int mmu_idx, return BATU32_BEPI & ~((batu & BATU32_BL) << 15); } =20 -static int hash32_bat_prot(PowerPCCPU *cpu, - target_ulong batu, target_ulong batl) -{ - int pp, prot; - - prot =3D 0; - pp =3D batl & BATL32_PP; - if (pp !=3D 0) { - prot =3D PAGE_READ | PAGE_EXEC; - if (pp =3D=3D 0x2) { - prot |=3D PAGE_WRITE; - } - } - return prot; -} - static hwaddr ppc_hash32_bat_lookup(PowerPCCPU *cpu, target_ulong ea, MMUAccessType access_type, int *prot, int mmu_idx) @@ -95,7 +79,7 @@ static hwaddr ppc_hash32_bat_lookup(PowerPCCPU *cpu, targ= et_ulong ea, if (mask && ((ea & mask) =3D=3D (batu & BATU32_BEPI))) { hwaddr raddr =3D (batl & mask) | (ea & ~mask); =20 - *prot =3D hash32_bat_prot(cpu, batu, batl); + *prot =3D ppc_hash32_bat_prot(batu, batl); =20 return raddr & TARGET_PAGE_MASK; } diff --git a/target/ppc/mmu-hash32.h b/target/ppc/mmu-hash32.h index 5902cf8333..bd75f7d647 100644 --- a/target/ppc/mmu-hash32.h +++ b/target/ppc/mmu-hash32.h @@ -143,6 +143,20 @@ static inline int ppc_hash32_prot(bool key, int pp, bo= ol nx) return nx ? prot : prot | PAGE_EXEC; } =20 +static inline int ppc_hash32_bat_prot(target_ulong batu, target_ulong batl) +{ + int prot =3D 0; + int pp =3D batl & BATL32_PP; + + if (pp) { + prot =3D PAGE_READ | PAGE_EXEC; + if (pp =3D=3D 0x2) { + prot |=3D PAGE_WRITE; + } + } + return prot; +} + typedef struct { uint32_t pte0, pte1; } ppc_hash_pte32_t; diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index aa002bba35..624ed51a92 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -193,40 +193,13 @@ static int ppc6xx_tlb_check(CPUPPCState *env, hwaddr = *raddr, int *prot, return ret; } =20 -/* Perform BAT hit & translation */ -static inline void bat_size_prot(CPUPPCState *env, target_ulong *blp, - int *validp, int *protp, target_ulong *BA= Tu, - target_ulong *BATl) -{ - target_ulong bl; - int pp, valid, prot; - - bl =3D (*BATu & BATU32_BL) << 15; - valid =3D 0; - prot =3D 0; - if ((!FIELD_EX64(env->msr, MSR, PR) && (*BATu & 0x00000002)) || - (FIELD_EX64(env->msr, MSR, PR) && (*BATu & 0x00000001))) { - valid =3D 1; - pp =3D *BATl & 0x00000003; - if (pp !=3D 0) { - prot =3D PAGE_READ | PAGE_EXEC; - if (pp =3D=3D 0x2) { - prot |=3D PAGE_WRITE; - } - } - } - *blp =3D bl; - *validp =3D valid; - *protp =3D prot; -} - static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx, - target_ulong eaddr, MMUAccessType access_type) + target_ulong eaddr, MMUAccessType access_type, + bool pr) { target_ulong *BATlt, *BATut, *BATu, *BATl; target_ulong BEPIl, BEPIu, bl; - int i, valid, prot; - int ret =3D -1; + int i, ret =3D -1; bool ifetch =3D access_type =3D=3D MMU_INST_FETCH; =20 qemu_log_mask(CPU_LOG_MMU, "%s: %cBAT v " TARGET_FMT_lx "\n", __func__, @@ -243,20 +216,19 @@ static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_= t *ctx, BATl =3D &BATlt[i]; BEPIu =3D *BATu & BATU32_BEPIU; BEPIl =3D *BATu & BATU32_BEPIL; - bat_size_prot(env, &bl, &valid, &prot, BATu, BATl); qemu_log_mask(CPU_LOG_MMU, "%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx " BATl " TARGET_FMT_lx "\n", __func__, ifetch ? 'I' : 'D', i, eaddr, *BATu, *BATl); - if ((eaddr & BATU32_BEPIU) =3D=3D BEPIu && - ((eaddr & BATU32_BEPIL) & ~bl) =3D=3D BEPIl) { - /* BAT matches */ - if (valid !=3D 0) { + bl =3D (*BATu & BATU32_BL) << 15; + if ((!pr && (*BATu & BATU32_VS)) || (pr && (*BATu & BATU32_VP))) { + if ((eaddr & BATU32_BEPIU) =3D=3D BEPIu && + ((eaddr & BATU32_BEPIL) & ~bl) =3D=3D BEPIl) { /* Get physical address */ ctx->raddr =3D (*BATl & BATU32_BEPIU) | ((eaddr & BATU32_BEPIL & bl) | (*BATl & BATU32_BEPIL))= | (eaddr & 0x0001F000); /* Compute access rights */ - ctx->prot =3D prot; + ctx->prot =3D ppc_hash32_bat_prot(*BATu, *BATl); if (check_prot_access_type(ctx->prot, access_type)) { qemu_log_mask(CPU_LOG_MMU, "BAT %d match: r " HWADDR_F= MT_plx " prot=3D%c%c\n", i, ctx->raddr, @@ -300,16 +272,16 @@ static int mmu6xx_get_physical_address(CPUPPCState *e= nv, mmu_ctx_t *ctx, PowerPCCPU *cpu =3D env_archcpu(env); hwaddr hash; target_ulong vsid, sr, pgidx, ptem; - bool key, pr, ds, nx; + bool key, ds, nx; + bool pr =3D FIELD_EX64(env->msr, MSR, PR); =20 /* First try to find a BAT entry if there are any */ - if (env->nb_BATs && get_bat_6xx_tlb(env, ctx, eaddr, access_type) =3D= =3D 0) { + if (env->nb_BATs && + get_bat_6xx_tlb(env, ctx, eaddr, access_type, pr) =3D=3D 0) { return 0; } =20 /* Perform segment based translation when no BATs matched */ - pr =3D FIELD_EX64(env->msr, MSR, PR); - sr =3D env->sr[eaddr >> 28]; key =3D ppc_hash32_key(pr, sr); *keyp =3D key; --=20 2.30.9