From patchwork Wed Jan 31 08:50:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Cl=C3=A9ment_Chigot?= X-Patchwork-Id: 13538979 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 D6523C47258 for ; Wed, 31 Jan 2024 08:53:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rV6JZ-0001vO-0g; Wed, 31 Jan 2024 03:51:25 -0500 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 1rV6JT-0001uS-RC for qemu-devel@nongnu.org; Wed, 31 Jan 2024 03:51:21 -0500 Received: from mail-wm1-x32a.google.com ([2a00:1450:4864:20::32a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rV6JQ-0007qO-0s for qemu-devel@nongnu.org; Wed, 31 Jan 2024 03:51:17 -0500 Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-40fb5d67763so1514385e9.2 for ; Wed, 31 Jan 2024 00:51:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=adacore.com; s=google; t=1706691074; x=1707295874; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=mUU2OsysmeYjtlDgPMbUT7x1rpWKo5GkfDES6teYBdY=; b=PV34dV6HSMdyHIzENNGZ2KDFFcmxMGW+D2Vf+KsHJOEDSGFi/KgEKUZBhvNvIe3ZSs ONAtpqLwB0n58rZTYwEdzoEQ9+VAAkYudKRkmclqqoHz6H+83t9NdeuvQ8lv8SGD2q8j enhDdILIVOTmYUXzQFTfHPxUCbg5VUF2blrKykbB1eMKsdla9BAxjcRvDImnNJkUjoXd 4JK4+wugVg2g5MyfCIPxAtSoRNS4//omgZzaZM4+z7F8I2zoGGJWcbCNNKGebH3gvYBh YgyBg18FoGw9grjAOmBD/kXOfgM62gEJ5Gb/Q967kw1A/UgVWMCIUOY2lF8qtPLZH6X4 ZtAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706691074; x=1707295874; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mUU2OsysmeYjtlDgPMbUT7x1rpWKo5GkfDES6teYBdY=; b=fKeRmO3ByDcjHKDBgc23veZV7sGWh9jUA+edPyYHFFb8jooj8+54YrhwuXK5kgnAMD cOEA/OnNAsVdvmdLaBVlLqo2r8P/WD7jczWZ3lTve8fXAB2T8MV2PkTJ1KG6XF3nGuvj VNuNDfNSHM74LIUJMl5quHEDXqmJbO3ulEECVIb+8RWqH4FSSgE+doJjRFtTqWneHKaL caqfcn4uV0RrcS/aJYZ3YO/XfJa8C9s6lfGR4i7rsCUsFT9qjuLHFbFTncBjPIv+bKv9 1vDaP1S52/Ey3umCWHCS9gJCjVVCWnAZ8KD3bFUyZOSWpLWOCs+2XNcgZGFGYA0NpyX/ m1ww== X-Gm-Message-State: AOJu0Yws98FjY32SkWE1jh8rodyO+rRUKKvkiLOqONr+Q/joPwcCX60e dUNppRpRHVY6OCBrpGIuCmUL6jXsUCrVLYV3eB4R6hm9ywqyIZEqx42cg8TGU3qicXvI2aOVKUY = X-Google-Smtp-Source: AGHT+IEysSa5YspvsShTwBbW9xPU4Cui3kKxfEeS88udYSZ2/odEuwQb9eW0Pl2JKk8iQp2sHFHY6Q== X-Received: by 2002:a05:600c:3411:b0:40e:f6a1:ad02 with SMTP id y17-20020a05600c341100b0040ef6a1ad02mr767476wmp.14.1706691074278; Wed, 31 Jan 2024 00:51:14 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCUSGcp/WPJNqFLCN91P3Z62hfHVVn8apf70Q8IAXmSq9BHxuHFhIYAjj0tiiPsHmqjWshaoOqOCZuQV8iKAZiE06GJ5DM3VeAZbk3LjlhTsSO05u1ZRQlndaM7N8PpsYp8ozIXBe5JG1RX5aSmNmFGa5FqDsaQQAxpx Received: from chigot-Dell.home ([2a01:cb15:8123:8100:aea2:cdf3:9482:a36]) by smtp.gmail.com with ESMTPSA id n28-20020a05600c181c00b0040efd216050sm909926wmp.35.2024.01.31.00.51.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Jan 2024 00:51:13 -0800 (PST) From: =?utf-8?q?Cl=C3=A9ment_Chigot?= To: qemu-devel@nongnu.org Cc: =?utf-8?q?Cl=C3=A9ment_Chigot?= , Frederic Konrad , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= Subject: [PATCH v3 5/9] target/sparc: implement asr17 feature for smp Date: Wed, 31 Jan 2024 09:50:43 +0100 Message-Id: <20240131085047.18458-6-chigot@adacore.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240131085047.18458-1-chigot@adacore.com> References: <20240131085047.18458-1-chigot@adacore.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32a; envelope-from=chigot@adacore.com; helo=mail-wm1-x32a.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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 This allows the guest program to know its cpu id. Co-developed-by: Frederic Konrad Signed-off-by: Clément Chigot Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- target/sparc/helper.c | 16 ++++++++++++++++ target/sparc/helper.h | 1 + target/sparc/translate.c | 13 +++---------- 3 files changed, 20 insertions(+), 10 deletions(-) diff --git a/target/sparc/helper.c b/target/sparc/helper.c index bd10b60e4b..2247e243b5 100644 --- a/target/sparc/helper.c +++ b/target/sparc/helper.c @@ -212,4 +212,20 @@ void helper_power_down(CPUSPARCState *env) env->npc = env->pc + 4; cpu_loop_exit(cs); } + +target_ulong helper_rdasr17(CPUSPARCState *env) +{ + CPUState *cs = env_cpu(env); + target_ulong val; + + /* + * TODO: There are many more fields to be filled, + * some of which are writable. + */ + val = env->def.nwindows - 1; /* [4:0] NWIN */ + val |= 1 << 8; /* [8] V8 */ + val |= (cs->cpu_index) << 28; /* [31:28] INDEX */ + + return val; +} #endif diff --git a/target/sparc/helper.h b/target/sparc/helper.h index 55eff66283..fc818b8678 100644 --- a/target/sparc/helper.h +++ b/target/sparc/helper.h @@ -2,6 +2,7 @@ DEF_HELPER_1(rett, void, env) DEF_HELPER_2(wrpsr, void, env, tl) DEF_HELPER_1(rdpsr, tl, env) +DEF_HELPER_1(rdasr17, tl, env) DEF_HELPER_1(power_down, void, env) #else DEF_HELPER_FLAGS_2(wrpil, TCG_CALL_NO_RWG, void, env, tl) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 9387299559..1cabda9565 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -37,6 +37,7 @@ #ifdef TARGET_SPARC64 # define gen_helper_rdpsr(D, E) qemu_build_not_reached() +# define gen_helper_rdasr17(D, E) qemu_build_not_reached() # define gen_helper_rett(E) qemu_build_not_reached() # define gen_helper_power_down(E) qemu_build_not_reached() # define gen_helper_wrpsr(E, S) qemu_build_not_reached() @@ -2681,16 +2682,8 @@ static bool trans_RDY(DisasContext *dc, arg_RDY *a) static TCGv do_rd_leon3_config(DisasContext *dc, TCGv dst) { - uint32_t val; - - /* - * TODO: There are many more fields to be filled, - * some of which are writable. - */ - val = dc->def->nwindows - 1; /* [4:0] NWIN */ - val |= 1 << 8; /* [8] V8 */ - - return tcg_constant_tl(val); + gen_helper_rdasr17(dst, tcg_env); + return dst; } TRANS(RDASR17, ASR17, do_rd_special, true, a->rd, do_rd_leon3_config)