From mboxrd@z Thu Jan 1 00:00:00 1970 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 B8126C77B7F for ; Thu, 11 May 2023 14:13:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1px723-0003Mz-Qy; Thu, 11 May 2023 10:12:35 -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 1px722-0003Mm-7w for qemu-devel@nongnu.org; Thu, 11 May 2023 10:12:34 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1px720-0004nE-N0 for qemu-devel@nongnu.org; Thu, 11 May 2023 10:12:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1683814351; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Bhy8vQ+2rTV+YQUnEofTbzBhigtmHuZk129sLHgJoow=; b=KbTtgomFHYr1X8dhWm+DUvEbzGg6NTVs93B2JiXqyKGWno7ugfIWpDcwxUW8Hvzx14S4Na TVwzNAmTG06qMy3n9oFDm1aXWzJrMhtDdHuvAwf1Vc9TjovvtI4prmWtNuDZPI5+E8ECHz YDoL5K52sVhxrAE5LFKV6ACxIHbUmoU= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-454-zhR19GFVMUutX_7RI4BMEQ-1; Thu, 11 May 2023 10:12:28 -0400 X-MC-Unique: zhR19GFVMUutX_7RI4BMEQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C70D61854AEF; Thu, 11 May 2023 14:12:16 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.247]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8ACC414171C0; Thu, 11 May 2023 14:12:14 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: David Hildenbrand , Leonardo Bras , Juan Quintela , Richard Henderson , Peter Xu , Andrei Gudkov , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , Zhenzhong Duan , Hyman Huang Subject: [PATCH v2 1/5] softmmu: Create qemu_target_pages_to_MiB() Date: Thu, 11 May 2023 16:12:04 +0200 Message-Id: <20230511141208.17779-2-quintela@redhat.com> In-Reply-To: <20230511141208.17779-1-quintela@redhat.com> References: <20230511141208.17779-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Function that convert a number of target_pages into its size in MiB. Suggested-by: Richard Henderson Signed-off-by: Juan Quintela --- include/exec/target_page.h | 1 + softmmu/physmem.c | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/include/exec/target_page.h b/include/exec/target_page.h index 96726c36a4..bbf37aea17 100644 --- a/include/exec/target_page.h +++ b/include/exec/target_page.h @@ -18,4 +18,5 @@ size_t qemu_target_page_size(void); int qemu_target_page_bits(void); int qemu_target_page_bits_min(void); +size_t qemu_target_pages_to_MiB(size_t pages); #endif diff --git a/softmmu/physmem.c b/softmmu/physmem.c index 0e0182d9f2..efaed36773 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -3357,6 +3357,17 @@ int qemu_target_page_bits_min(void) return TARGET_PAGE_BITS_MIN; } +/* Convert target pages to MiB (2**20). */ +size_t qemu_target_pages_to_MiB(size_t pages) +{ + int page_bits = TARGET_PAGE_BITS; + + /* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */ + g_assert(page_bits < 20); + + return pages >> (20 - page_bits); +} + bool cpu_physical_memory_is_io(hwaddr phys_addr) { MemoryRegion*mr; -- 2.40.1