From patchwork Sun May 26 23:12:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1939454 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VnZPc6n2rz20ds for ; Mon, 27 May 2024 09:15:16 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sBN4B-000436-5v; Sun, 26 May 2024 19:14:15 -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 1sBN49-00040p-Mo; Sun, 26 May 2024 19:14:13 -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 1sBN46-0003Uv-SX; Sun, 26 May 2024 19:14:12 -0400 Received: from zero.eik.bme.hu (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id 377F44E6000; Mon, 27 May 2024 01:12:38 +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 aD5tb5RZVQPE; Mon, 27 May 2024 01:12:36 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 3DB594E6001; Mon, 27 May 2024 01:12:36 +0200 (CEST) Message-Id: <3e66168f9d3d1667b5a1d81f74cf019ecfdd9c62.1716763435.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 01/43] target/ppc: Reorganise and rename ppc_hash32_pp_prot() MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: Nicholas Piggin , Daniel Henrique Barboza Date: Mon, 27 May 2024 01:12:36 +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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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 --- 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 = !!(mmuidx_pr(mmu_idx) ? (sr & SR32_KP) : (sr & SR32_KS)); pp = pte.pte1 & HPTE32_R_PP; - return ppc_hash32_pp_prot(key, pp, !!(sr & SR32_NX)); + return ppc_hash32_prot(key, pp, !!(sr & SR32_NX)); } 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); } -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; - if (key == 0) { + if (key) { switch (pp) { case 0x0: - case 0x1: - case 0x2: - prot = PAGE_READ | PAGE_WRITE; + prot = 0; break; - + case 0x1: case 0x3: prot = PAGE_READ; break; - + case 0x2: + prot = PAGE_READ | PAGE_WRITE; + break; default: - abort(); + g_assert_not_reached(); } } else { switch (pp) { case 0x0: - prot = 0; - break; - case 0x1: - case 0x3: - prot = PAGE_READ; - break; - case 0x2: prot = PAGE_READ | PAGE_WRITE; break; - + case 0x3: + prot = PAGE_READ; + break; default: - abort(); + g_assert_not_reached(); } } - if (nx == 0) { - prot |= PAGE_EXEC; - } - - return prot; + return nx ? prot : prot | PAGE_EXEC; } 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 = pte1; - ctx->prot = ppc_hash32_pp_prot(ctx->key, pp, ctx->nx); + ctx->prot = 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");