From patchwork Wed Jul 1 20:15:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 278892 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21B06C433DF for ; Wed, 1 Jul 2020 20:20:10 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EE09120780 for ; Wed, 1 Jul 2020 20:20:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE09120780 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ilande.co.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50858 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqjDF-0006rX-5I for qemu-devel@archiver.kernel.org; Wed, 01 Jul 2020 16:20:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53892) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqj99-0002DD-KZ for qemu-devel@nongnu.org; Wed, 01 Jul 2020 16:15:55 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:43966 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqj97-0006pM-1Z for qemu-devel@nongnu.org; Wed, 01 Jul 2020 16:15:55 -0400 Received: from host86-182-221-233.range86-182.btcentralplus.com ([86.182.221.233] helo=kentang.home) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jqj98-0005jj-Ld; Wed, 01 Jul 2020 21:15:58 +0100 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, laurent@vivier.eu Date: Wed, 1 Jul 2020 21:15:31 +0100 Message-Id: <20200701201531.13828-3-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200701201531.13828-1-mark.cave-ayland@ilande.co.uk> References: <20200701201531.13828-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 86.182.221.233 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v4 2/2] target/m68k: consolidate physical translation offset into get_physical_address() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 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" Since all callers to get_physical_address() now apply the same page offset to the translation result, move the logic into get_physical_address() itself to avoid duplication. Suggested-by: Philippe Mathieu-Daudé Signed-off-by: Mark Cave-Ayland --- target/m68k/helper.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/target/m68k/helper.c b/target/m68k/helper.c index 631eab7774..3ff5765795 100644 --- a/target/m68k/helper.c +++ b/target/m68k/helper.c @@ -643,7 +643,7 @@ static int get_physical_address(CPUM68KState *env, hwaddr *physical, /* Transparent Translation Register bit */ env->mmu.mmusr = M68K_MMU_T_040 | M68K_MMU_R_040; } - *physical = address & TARGET_PAGE_MASK; + *physical = address; *page_size = TARGET_PAGE_SIZE; return 0; } @@ -771,7 +771,7 @@ static int get_physical_address(CPUM68KState *env, hwaddr *physical, } *page_size = 1 << page_bits; page_mask = ~(*page_size - 1); - *physical = next & page_mask; + *physical = (next & page_mask) + (address & (*page_size - 1)); if (access_type & ACCESS_PTEST) { env->mmu.mmusr |= next & M68K_MMU_SR_MASK_040; @@ -826,8 +826,6 @@ hwaddr m68k_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) return -1; } - addr &= TARGET_PAGE_MASK; - phys_addr += addr & (page_size - 1); return phys_addr; } @@ -891,10 +889,8 @@ bool m68k_cpu_tlb_fill(CPUState *cs, vaddr address, int size, ret = get_physical_address(&cpu->env, &physical, &prot, address, access_type, &page_size); if (likely(ret == 0)) { - address &= TARGET_PAGE_MASK; - physical += address & (page_size - 1); - tlb_set_page(cs, address, physical, - prot, mmu_idx, TARGET_PAGE_SIZE); + tlb_set_page(cs, address & TARGET_PAGE_MASK, + physical & TARGET_PAGE_MASK, prot, mmu_idx, page_size); return true; } @@ -1383,9 +1379,8 @@ void HELPER(ptest)(CPUM68KState *env, uint32_t addr, uint32_t is_read) ret = get_physical_address(env, &physical, &prot, addr, access_type, &page_size); if (ret == 0) { - addr &= TARGET_PAGE_MASK; - physical += addr & (page_size - 1); - tlb_set_page(env_cpu(env), addr, physical, + tlb_set_page(env_cpu(env), addr & TARGET_PAGE_MASK, + physical & TARGET_PAGE_MASK, prot, access_type & ACCESS_SUPER ? MMU_KERNEL_IDX : MMU_USER_IDX, page_size); }