From nobody Tue Feb 10 02:46:14 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1766547908799191.81026051186427; Tue, 23 Dec 2025 19:45:08 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vYFnM-00068y-Oz; Tue, 23 Dec 2025 22:44:17 -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 1vYFnL-00068L-0o for qemu-devel@nongnu.org; Tue, 23 Dec 2025 22:44:15 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vYFnH-0006gW-CF for qemu-devel@nongnu.org; Tue, 23 Dec 2025 22:44:14 -0500 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Dx+8KCYUtpRaYCAA--.8027S3; Wed, 24 Dec 2025 11:44:02 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJDxquCBYUtpgR4EAA--.12420S3; Wed, 24 Dec 2025 11:44:02 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, philmd@linaro.org, jiaxun.yang@flygoat.com Subject: [PATCH v2 1/3] target/loongach: Fix some exception need't upadate CSR_BADV Date: Wed, 24 Dec 2025 11:19:27 +0800 Message-Id: <20251224031929.2371837-2-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20251224031929.2371837-1-gaosong@loongson.cn> References: <20251224031929.2371837-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJDxquCBYUtpgR4EAA--.12420S3 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=lists.gnu.org; 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=lists.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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1766547910178158500 Content-Type: text/plain; charset="utf-8" According to Volume 1 Manual 7.4.8 ,exception,SYS,BRK,INE,IPE,PPD FPE,SXD,ASXD are need't update CSR_BADV, this patch correct it. Signed-off-by: Song Gao Reviewed-by: Bibo Mao --- target/loongarch/tcg/tcg_cpu.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c index 9d077c56d9..ab247e82ec 100644 --- a/target/loongarch/tcg/tcg_cpu.c +++ b/target/loongarch/tcg/tcg_cpu.c @@ -121,8 +121,6 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) case EXCCODE_FPE: case EXCCODE_SXD: case EXCCODE_ASXD: - env->CSR_BADV =3D env->pc; - QEMU_FALLTHROUGH; case EXCCODE_BCE: case EXCCODE_ADEM: case EXCCODE_PIL: --=20 2.41.0 From nobody Tue Feb 10 02:46:14 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 17665478682271019.7102894348125; Tue, 23 Dec 2025 19:44:28 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vYFnN-00068z-A1; Tue, 23 Dec 2025 22:44:19 -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 1vYFnK-00067u-3f for qemu-devel@nongnu.org; Tue, 23 Dec 2025 22:44:14 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vYFnH-0006ga-Cm for qemu-devel@nongnu.org; Tue, 23 Dec 2025 22:44:13 -0500 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Dx_8ODYUtpSKYCAA--.8948S3; Wed, 24 Dec 2025 11:44:03 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJDxquCBYUtpgR4EAA--.12420S4; Wed, 24 Dec 2025 11:44:02 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, philmd@linaro.org, jiaxun.yang@flygoat.com Subject: [PATCH v2 2/3] target/loongarch: Fix exception BCE missing update CSR_BADV Date: Wed, 24 Dec 2025 11:19:28 +0800 Message-Id: <20251224031929.2371837-3-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20251224031929.2371837-1-gaosong@loongson.cn> References: <20251224031929.2371837-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJDxquCBYUtpgR4EAA--.12420S4 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=lists.gnu.org; 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=lists.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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1766547871162158500 Content-Type: text/plain; charset="utf-8" Exception BCE need update CSR_BADV, and the value is env->pc. Signed-off-by: Song Gao Reviewed-by: Bibo Mao --- target/loongarch/tcg/tcg_cpu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c index ab247e82ec..c05a06eeb5 100644 --- a/target/loongarch/tcg/tcg_cpu.c +++ b/target/loongarch/tcg/tcg_cpu.c @@ -113,6 +113,9 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) cause =3D cs->exception_index; update_badinstr =3D 0; break; + case EXCCODE_BCE: + env->CSR_BADV =3D env->pc; + QEMU_FALLTHROUGH; case EXCCODE_SYS: case EXCCODE_BRK: case EXCCODE_INE: @@ -121,7 +124,6 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) case EXCCODE_FPE: case EXCCODE_SXD: case EXCCODE_ASXD: - case EXCCODE_BCE: case EXCCODE_ADEM: case EXCCODE_PIL: case EXCCODE_PIS: --=20 2.41.0 From nobody Tue Feb 10 02:46:14 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1766547902902905.7136409673398; Tue, 23 Dec 2025 19:45:02 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vYFnM-00068x-2J; Tue, 23 Dec 2025 22:44:16 -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 1vYFnL-00068N-4A for qemu-devel@nongnu.org; Tue, 23 Dec 2025 22:44:15 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vYFnH-0006gf-SN for qemu-devel@nongnu.org; Tue, 23 Dec 2025 22:44:14 -0500 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxusKDYUtpS6YCAA--.8150S3; Wed, 24 Dec 2025 11:44:03 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJDxquCBYUtpgR4EAA--.12420S5; Wed, 24 Dec 2025 11:44:03 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, philmd@linaro.org, jiaxun.yang@flygoat.com Subject: [PATCH v2 3/3] target/loongarch: Fix exception ADEF/ADEM missing update CSR_BADV Date: Wed, 24 Dec 2025 11:19:29 +0800 Message-Id: <20251224031929.2371837-4-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20251224031929.2371837-1-gaosong@loongson.cn> References: <20251224031929.2371837-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJDxquCBYUtpgR4EAA--.12420S5 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=lists.gnu.org; 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=lists.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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1766547904060158500 Content-Type: text/plain; charset="utf-8" Exception ADEM/ADEF need update CSR_BADV, ADEF value from env->pc, ADEM value from the virtual address. Signed-off-by: Song Gao --- target/loongarch/tcg/tcg_cpu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c index c05a06eeb5..53e0970797 100644 --- a/target/loongarch/tcg/tcg_cpu.c +++ b/target/loongarch/tcg/tcg_cpu.c @@ -109,10 +109,12 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) } QEMU_FALLTHROUGH; case EXCCODE_PIF: - case EXCCODE_ADEF: cause =3D cs->exception_index; update_badinstr =3D 0; break; + case EXCCODE_ADEF: + update_badinstr =3D 0; + QEMU_FALLTHROUGH; case EXCCODE_BCE: env->CSR_BADV =3D env->pc; QEMU_FALLTHROUGH; @@ -225,6 +227,7 @@ static void loongarch_cpu_do_transaction_failed(CPUStat= e *cs, hwaddr physaddr, { CPULoongArchState *env =3D cpu_env(cs); =20 + env->CSR_BADV =3D addr; if (access_type =3D=3D MMU_INST_FETCH) { do_raise_exception(env, EXCCODE_ADEF, retaddr); } else { --=20 2.41.0