From patchwork Thu May 9 08:06:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 1933355 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 4VZl50539Hz1ymg for ; Thu, 9 May 2024 18:08:19 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4yo0-0003r2-Rx; Thu, 09 May 2024 04:07:08 -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 1s4yns-0003pT-I1 for qemu-devel@nongnu.org; Thu, 09 May 2024 04:07:01 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4yno-0006CX-0c for qemu-devel@nongnu.org; Thu, 09 May 2024 04:07:00 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8BxN+kYhDxmvOQJAA--.13793S3; Thu, 09 May 2024 16:06:48 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxhFYVhDxmfOYWAA--.27243S5; Thu, 09 May 2024 16:06:48 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, Bibo Mao Subject: [PULL 3/3] target/loongarch: Put cpucfg operation before CSR register Date: Thu, 9 May 2024 16:06:45 +0800 Message-Id: <20240509080645.457303-4-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20240509080645.457303-1-gaosong@loongson.cn> References: <20240509080645.457303-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxhFYVhDxmfOYWAA--.27243S5 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn 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=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 From: Bibo Mao On Loongarch, cpucfg is register for cpu feature, some other registers depend on cpucfg feature such as perf CSR registers. Here put cpucfg read/write operations before CSR register, so that KVM knows how many perf CSR registers are valid from pre-set cpucfg feature information. Signed-off-by: Bibo Mao Reviewed-by: Song Gao Message-Id: <20240428031651.1354587-1-maobibo@loongson.cn> Signed-off-by: Song Gao --- target/loongarch/kvm/kvm.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index 8224d94333..bc75552d0f 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -587,22 +587,22 @@ int kvm_arch_get_registers(CPUState *cs) return ret; } - ret = kvm_loongarch_get_csr(cs); + ret = kvm_loongarch_get_cpucfg(cs); if (ret) { return ret; } - ret = kvm_loongarch_get_regs_fp(cs); + ret = kvm_loongarch_get_csr(cs); if (ret) { return ret; } - ret = kvm_loongarch_get_mpstate(cs); + ret = kvm_loongarch_get_regs_fp(cs); if (ret) { return ret; } - ret = kvm_loongarch_get_cpucfg(cs); + ret = kvm_loongarch_get_mpstate(cs); return ret; } @@ -615,22 +615,22 @@ int kvm_arch_put_registers(CPUState *cs, int level) return ret; } - ret = kvm_loongarch_put_csr(cs, level); + ret = kvm_loongarch_put_cpucfg(cs); if (ret) { return ret; } - ret = kvm_loongarch_put_regs_fp(cs); + ret = kvm_loongarch_put_csr(cs, level); if (ret) { return ret; } - ret = kvm_loongarch_put_mpstate(cs); + ret = kvm_loongarch_put_regs_fp(cs); if (ret) { return ret; } - ret = kvm_loongarch_put_cpucfg(cs); + ret = kvm_loongarch_put_mpstate(cs); return ret; }