From patchwork Thu May 9 20:25:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 13660372 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5411AC10F1A for ; Thu, 9 May 2024 20:28:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s5ALB-0000Kg-Fq; Thu, 09 May 2024 16:26:09 -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 1s5AL5-0000GG-J1; Thu, 09 May 2024 16:26:03 -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 1s5AL2-00016o-81; Thu, 09 May 2024 16:26:03 -0400 Received: from zero.eik.bme.hu (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id BBA284E65D4; Thu, 09 May 2024 22:25:58 +0200 (CEST) X-Virus-Scanned: amavisd-new at eik.bme.hu 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 yWjLQCYo73wX; Thu, 9 May 2024 22:25:56 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id C867C4E65D6; Thu, 09 May 2024 22:25:56 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v5 22/32] target/ppc/mmu_common.c: Eliminate get_physical_address_wtlb() MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: Nicholas Piggin , Daniel Henrique Barboza Date: Thu, 09 May 2024 22:25:56 +0200 (CEST) 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 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Inline get_physical_address_wtlb() in its only caller and remove it. Signed-off-by: BALATON Zoltan --- target/ppc/internal.h | 5 +--- target/ppc/mmu_common.c | 66 +++++++++++++++++------------------------ 2 files changed, 28 insertions(+), 43 deletions(-) diff --git a/target/ppc/internal.h b/target/ppc/internal.h index ffdf6c075d..5b28e8f3b0 100644 --- a/target/ppc/internal.h +++ b/target/ppc/internal.h @@ -297,10 +297,7 @@ typedef struct mmu_ctx_t mmu_ctx_t; bool ppc_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, hwaddr *raddrp, int *psizep, int *protp, int mmu_idx, bool guest_visible); -int get_physical_address_wtlb(CPUPPCState *env, mmu_ctx_t *ctx, - target_ulong eaddr, - MMUAccessType access_type, int type, - int mmu_idx); + /* Software driven TLB helpers */ int ppc6xx_tlb_getnum(CPUPPCState *env, target_ulong eaddr, int way, int is_code); diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index d0d49c696b..d7e4baa9cf 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -1072,35 +1072,6 @@ void dump_mmu(CPUPPCState *env) } } -int get_physical_address_wtlb(CPUPPCState *env, mmu_ctx_t *ctx, - target_ulong eaddr, - MMUAccessType access_type, int type, - int mmu_idx) -{ - bool real_mode = (type == ACCESS_CODE) ? !FIELD_EX64(env->msr, MSR, IR) - : !FIELD_EX64(env->msr, MSR, DR); - if (real_mode) { - ctx->raddr = eaddr; - ctx->prot = PAGE_RWX; - return 0; - } - - switch (env->mmu_model) { - case POWERPC_MMU_SOFT_6xx: - return mmu6xx_get_physical_address(env, ctx, eaddr, access_type, type); - case POWERPC_MMU_SOFT_4xx: - /* avoid maybe used uninitialized warnings for unused fields in ctx */ - memset(ctx, 0, sizeof(*ctx)); - return mmu40x_get_physical_address(env, &ctx->raddr, &ctx->prot, eaddr, - access_type); - case POWERPC_MMU_REAL: - cpu_abort(env_cpu(env), - "PowerPC in real mode do not do any translation\n"); - default: - cpu_abort(env_cpu(env), "Unknown or invalid MMU model\n"); - } -} - static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address, MMUAccessType access_type, int mmu_idx) { @@ -1255,6 +1226,15 @@ static bool ppc_jumbo_xlate(PowerPCCPU *cpu, vaddr eaddr, int type; int ret; + /* If in real_mode then no translation */ + if (access_type == MMU_INST_FETCH ? !FIELD_EX64(env->msr, MSR, IR) + : !FIELD_EX64(env->msr, MSR, DR)) { + *raddrp = eaddr; + *protp = PAGE_RWX; + *psizep = TARGET_PAGE_BITS; + return true; + } + if (access_type == MMU_INST_FETCH) { /* code access */ type = ACCESS_CODE; @@ -1265,8 +1245,22 @@ static bool ppc_jumbo_xlate(PowerPCCPU *cpu, vaddr eaddr, type = ACCESS_INT; } - ret = get_physical_address_wtlb(env, &ctx, eaddr, access_type, - type, mmu_idx); + switch (env->mmu_model) { + case POWERPC_MMU_SOFT_6xx: + ret = mmu6xx_get_physical_address(env, &ctx, eaddr, access_type, type); + break; + case POWERPC_MMU_SOFT_4xx: + /* avoid maybe used uninitialized warnings for unused fields in ctx */ + memset(&ctx, 0, sizeof(ctx)); + ret = mmu40x_get_physical_address(env, &ctx.raddr, &ctx.prot, eaddr, + access_type); + break; + case POWERPC_MMU_REAL: + cpu_abort(cs, "PowerPC in real mode do not do any translation\n"); + default: + cpu_abort(cs, "Unknown or invalid MMU model\n"); + } + if (ret == 0) { *raddrp = ctx.raddr; *protp = ctx.prot; @@ -1294,11 +1288,8 @@ static bool ppc_jumbo_xlate(PowerPCCPU *cpu, vaddr eaddr, env->spr[SPR_40x_DEAR] = eaddr; env->spr[SPR_40x_ESR] = 0x00000000; break; - case POWERPC_MMU_REAL: - cpu_abort(cs, "PowerPC in real mode should never raise " - "any MMU exceptions\n"); default: - cpu_abort(cs, "Unknown or invalid MMU model\n"); + g_assert_not_reached(); } break; case -2: @@ -1350,11 +1341,8 @@ static bool ppc_jumbo_xlate(PowerPCCPU *cpu, vaddr eaddr, env->spr[SPR_40x_ESR] = 0x00000000; } break; - case POWERPC_MMU_REAL: - cpu_abort(cs, "PowerPC in real mode should never raise " - "any MMU exceptions\n"); default: - cpu_abort(cs, "Unknown or invalid MMU model\n"); + g_assert_not_reached(); } break; case -2: