From patchwork Fri Sep 15 15:38:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helge Deller X-Patchwork-Id: 13387188 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 3E00AEED615 for ; Fri, 15 Sep 2023 15:39:41 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qhAuG-0003Fa-W0; Fri, 15 Sep 2023 11:38:57 -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 1qhAuD-0003FK-A9 for qemu-devel@nongnu.org; Fri, 15 Sep 2023 11:38:53 -0400 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qhAuB-0007Kq-RZ for qemu-devel@nongnu.org; Fri, 15 Sep 2023 11:38:53 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id ACA4BB82CCA; Fri, 15 Sep 2023 15:38:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8D6E2C433C8; Fri, 15 Sep 2023 15:38:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694792328; bh=2DIxnKAjYl9IN9C+NelvsaIGXF9IdMY+PnzUk012rH4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mGvaMu5LCgqB8tP7LN68JFMmDQNhei96hRjxqLdPmIpCdfjzZsqSMc6SWRLqK9gfr f9tW2lfwSSo8Kl5GcmbQwnqsf/l4wQFi//fTOprgT5WojJFpYbLHeRk2RixiEa3oj+ 1tgNt7xP+I6jHLwQZYa6JVEPWyIoT9jyEcCWmLcwzDjOqSvOtRHymbKbvODi4eFvyI GWtoq0tFii5IjY5qRvThqjfqxpmogNOjkmucTSVT3eylfem5wCtAooKubWNNQZvrVI Wh7/OiyBsXh9QcLCQq38c+CpHrgUJtTz2SZ5CfrLYICMKH8RZLoUKJCrySn4q5zeRq WcRFc3sakAHZw== From: deller@kernel.org To: qemu-devel@nongnu.org Cc: Helge Deller , Richard Henderson Subject: [PATCH v2 2/6] target/hppa: Allow up to 16 BTLB entries Date: Fri, 15 Sep 2023 17:38:37 +0200 Message-ID: <20230915153841.57564-3-deller@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230915153841.57564-1-deller@kernel.org> References: <20230915153841.57564-1-deller@kernel.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2604:1380:4601:e00::1; envelope-from=deller@kernel.org; helo=ams.source.kernel.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, 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 From: Helge Deller Reserve 16 out of the 256 TLB entries for Block-TLBs. Signed-off-by: Helge Deller --- target/hppa/cpu.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h index fa13694dab..23852d89b2 100644 --- a/target/hppa/cpu.h +++ b/target/hppa/cpu.h @@ -211,8 +211,14 @@ typedef struct CPUArchState { target_ureg shadow[7]; /* shadow registers */ /* ??? The number of entries isn't specified by the architecture. */ +#ifdef TARGET_HPPA64 +#define HPPA_BTLB_FIXED 0 /* BTLBs are not supported in 64-bit machines */ +#else +#define HPPA_BTLB_FIXED 16 +#endif +#define HPPA_BTLB_VARIABLE 0 #define HPPA_TLB_ENTRIES 256 -#define HPPA_BTLB_ENTRIES 0 +#define HPPA_BTLB_ENTRIES (HPPA_BTLB_FIXED + HPPA_BTLB_VARIABLE) /* ??? Implement a unified itlb/dtlb for the moment. */ /* ??? We should use a more intelligent data structure. */