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Sat, 20 Jul 2024 02:31:34 -0700 (PDT) From: Akihiko Odaki Date: Sat, 20 Jul 2024 18:30:54 +0900 Subject: [PATCH v4 6/6] hvf: arm: Do not advance PC when raising an exception MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240720-pmu-v4-6-2a2b28f6b08f@daynix.com> References: <20240720-pmu-v4-0-2a2b28f6b08f@daynix.com> In-Reply-To: <20240720-pmu-v4-0-2a2b28f6b08f@daynix.com> To: Peter Maydell , Thomas Huth , Laurent Vivier , Paolo Bonzini , Cornelia Huck Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, kvm@vger.kernel.org, Akihiko Odaki X-Mailer: b4 0.14-dev-fd6e3 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: none client-ip=2607:f8b0:4864:20::42d; envelope-from=akihiko.odaki@daynix.com; helo=mail-pf1-x42d.google.com 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=unavailable 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-ZohoMail-DKIM: pass (identity @daynix-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1721467938639116600 This is identical with commit 30a1690f2402 ("hvf: arm: Do not advance PC when raising an exception") but for writes instead of reads. Fixes: a2260983c655 ("hvf: arm: Add support for GICv3") Signed-off-by: Akihiko Odaki --- target/arm/hvf/hvf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index adcdfae0b17f..c1496ad5be9b 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -1586,10 +1586,10 @@ static int hvf_sysreg_write(CPUState *cpu, uint32_t= reg, uint64_t val) case SYSREG_ICC_SGI1R_EL1: case SYSREG_ICC_SRE_EL1: /* Call the TCG sysreg handler. This is only safe for GICv3 regs. = */ - if (!hvf_sysreg_write_cp(cpu, reg, val)) { - hvf_raise_exception(cpu, EXCP_UDEF, syn_uncategorized()); + if (hvf_sysreg_write_cp(cpu, reg, val)) { + return 0; } - return 0; + break; case SYSREG_MDSCR_EL1: env->cp15.mdscr_el1 =3D val; return 0; --=20 2.45.2