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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1672869728; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QnVis98vx60sXf8bSnXtdNnFjg5jfGQ5kovfBx5P2qA=; b=OG2t9rcegXBHKiciTxdre2Iat3aPGRkeGpAgIoqPRXJT+1O8+ZiAsmnpTQy9zZlg0o8+ir gerlrOChOLEj6SDw== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Paolo Bonzini , Claudio Fontana , Eduardo Habkost , Alexander Graf Subject: [RFC PATCH 27/27] target/arm: don't access TCG code when debugging with KVM Date: Wed, 4 Jan 2023 18:58:35 -0300 Message-Id: <20230104215835.24692-28-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230104215835.24692-1-farosas@suse.de> References: <20230104215835.24692-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2001:67c:2178:6::1d; envelope-from=farosas@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, 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-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1672872306613100003 Content-Type: text/plain; charset="utf-8" When TCG is disabled this part of the code should not be reachable, so wrap it with an ifdef for now. This allows us to start using CONFIG_TCG=3Dn (--disable-tcg in the configure line). Signed-off-by: Fabiano Rosas Reviewed-by: Richard Henderson --- As I understand it, only a small part of the ptw routines should be necessary for use with KVM+gdbstub. But I don't know enough about arm MMU yet to make that distinction. --- target/arm/ptw.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index f812734bfb..a85eba101f 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -254,6 +254,7 @@ static bool S1_ptw_translate(CPUARMState *env, S1Transl= ate *ptw, ptw->out_host =3D NULL; ptw->out_rw =3D false; } else { +#ifdef CONFIG_TCG CPUTLBEntryFull *full; int flags; =20 @@ -270,6 +271,9 @@ static bool S1_ptw_translate(CPUARMState *env, S1Transl= ate *ptw, ptw->out_rw =3D full->prot & PAGE_WRITE; pte_attrs =3D full->pte_attrs; pte_secure =3D full->attrs.secure; +#else + g_assert_not_reached(); +#endif } =20 if (regime_is_stage2(s2_mmu_idx)) { --=20 2.35.3