From nobody Tue Aug 25 23:50:15 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1780998999096550.5482925826979; Tue, 9 Jun 2026 02:56:39 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wWtCE-0002Ee-Un; Tue, 09 Jun 2026 05:56:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wWtCD-00029W-90 for qemu-devel@nongnu.org; Tue, 09 Jun 2026 05:56:33 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wWtCA-0005f4-5L for qemu-devel@nongnu.org; Tue, 09 Jun 2026 05:56:33 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxZnju4idqiTUSAA--.23844S3; Tue, 09 Jun 2026 17:54:54 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJDxSMHg4idqJrGgAA--.28412S13; Tue, 09 Jun 2026 17:54:53 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: Bibo Mao Subject: [PULL 11/14] target/loongarch: Add default CSRFL_BASIC info with flags field Date: Tue, 9 Jun 2026 17:28:21 +0800 Message-Id: <20260609092824.227250-12-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20260609092824.227250-1-gaosong@loongson.cn> References: <20260609092824.227250-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJDxSMHg4idqJrGgAA--.28412S13 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; 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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1780999001560154100 Content-Type: text/plain; charset="utf-8" From: Bibo Mao With CSR array structure, its validity is checked from offset field. Now default CSRFL_BASIC information is added with flags field and its validility can be checked with flags field. Signed-off-by: Bibo Mao Tested-by: Song Gao Message-ID: <20260605083854.175625-1-maobibo@loongson.cn> Signed-off-by: Song Gao --- target/loongarch/csr.c | 6 +++--- target/loongarch/csr.h | 1 + 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/target/loongarch/csr.c b/target/loongarch/csr.c index fff2312f87..d759be316b 100644 --- a/target/loongarch/csr.c +++ b/target/loongarch/csr.c @@ -17,11 +17,11 @@ [LOONGARCH_CSR_##NAME(N)] =3D { \ .name =3D (stringify(NAME##N)), \ .offset =3D offsetof(CPULoongArchState, CSR_##NAME[N]), \ - .flags =3D 0, .readfn =3D NULL, .writefn =3D NULL \ + .flags =3D CSRFL_BASIC, .readfn =3D NULL, .writefn =3D NULL = \ } =20 #define CSR_OFF_FLAGS(NAME, FL) CSR_OFF_FUNCS(NAME, FL, NULL, NULL) -#define CSR_OFF(NAME) CSR_OFF_FLAGS(NAME, 0) +#define CSR_OFF(NAME) CSR_OFF_FLAGS(NAME, CSRFL_BASIC) =20 static CSRInfo csr_info[] =3D { CSR_OFF_FLAGS(CRMD, CSRFL_EXITTB), @@ -144,7 +144,7 @@ CSRInfo *get_csr(unsigned int csr_num) } =20 csr =3D &csr_info[csr_num]; - if (csr->offset =3D=3D 0) { + if (csr->flags =3D=3D 0) { return NULL; } =20 diff --git a/target/loongarch/csr.h b/target/loongarch/csr.h index 81a656baae..508a3214fc 100644 --- a/target/loongarch/csr.h +++ b/target/loongarch/csr.h @@ -14,6 +14,7 @@ enum { CSRFL_EXITTB =3D (1 << 1), CSRFL_IO =3D (1 << 2), CSRFL_UNUSED =3D (1 << 3), + CSRFL_BASIC =3D (1 << 4), }; =20 typedef struct { --=20 2.54.0