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[174.21.74.48]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22781209ff3sm54075165ad.257.2025.03.23.10.37.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Mar 2025 10:37:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1742751459; x=1743356259; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=oGR007VvjFffVl8PvgR+T2VNJf200xt2PbQ7cdgNESw=; b=Two8K1g2LVyOQZ9cFcyeIpnd33HDl1qspvQAKTT+g1U6STwdo667rdd4D9CQdia5by qp4SA1YIV8og6+M+24W02JJFCv2jpZvJkRbtgDuqfdGIsBnHvLGT7s5KZp/gJLHhmv6b xrPgvPQ9jJ5udjB9clW1PaGbWz/Ubg55kU60KX4NbyumJvEGqlhaHCFWQBJpX8ttdioo HESQ+5ZN/doTGHWkRLN0N2sZjNFmYucAqnhbKpgRrFSvND/OQ8YzPFaHxGLkDkVorQ5/ rxXOjtkONmQ1paJ7ZSGT9h4oZMqI1vmhd5Tr9R2YtvHXhEpXTnPjq8qTshoGeSmlTwfR l8mA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742751459; x=1743356259; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=oGR007VvjFffVl8PvgR+T2VNJf200xt2PbQ7cdgNESw=; b=XGjTYG/t6AW9f4X6p14a9+bsZlMIpmVB4vObdwjE5a2U9YmOzWbCYRBy/kjmoldBki wWveg51Jr1knChyjN483BCUpGTkp3K7q20Ggh2LzELl0uSijaLyOtYO/4N9sStOxi3t5 pcNs4qVGzwjdw3Fo7uBpiz/ntkhOWzuM6IGhovCO7Xvy96UsM0He+tCBmo6MI7JlSOXw 4vgBv2/Qr53J0u1h4Tb5rDo7lSpIZL/WJmDJjDAyPIsaoPrOO0YcI98AdqikSQVd7/dn H5aB0r+xOz81ZOz8dslTIk7hLpeDaFu2Sb6UJpeOKH1sJJagJd7XTeeDPGpOvA3pXCyv Vm0Q== X-Gm-Message-State: AOJu0YxCLRmAbBErV9OaANxkAoSEcjSkYerrPbu9n2hC89lB6IcKnuIo mj5b0SiSmjDNvA81E6paRtYEC0f3xjX50Dr/LtgeNDCn6eFhGOkgens98KrJuYb5DtAOQe5q1a6 Q X-Gm-Gg: ASbGnct70Ri83uKc1LJEKB7wTbUfTV9NLefnDHkJYYQihxFdNXKOhqVnSAQe95vFGKg C19FH5rAbw71FDB++qGx6boolEfLAPk7rYsmzVPNxTJIlzWpKqSI8qo8nbOIQHNcXupYXK9ic/o 3JO/7/6Leh9gQo0wi4PHi4hLacBMVlDMLiDiswElx5uwDsK43+F/yCp9+fBW3L+hLNzyXzlN8p+ OznLCq2RDFt9crxi9viNWVfzXYL24Yb2NZpv7VB4o4hEUXMdcRTXrKXc0xxzQPLZoewDY/7RtTo lOTpWry4eA5+pCLsfyNN44jS95dT+YE5M0HOiDo+nxKuu+6OodMInUhR+VSREMe8uCtNR8Vlb/w H X-Google-Smtp-Source: AGHT+IHHx0nOVmHngDjuW981So2eTho/hEHIb4ep9xftdtoXyFfhar8ZUpbQmkUQtm6NonO0IxxAdQ== X-Received: by 2002:a17:902:f550:b0:224:26f2:97d6 with SMTP id d9443c01a7336-22780db4699mr188214705ad.28.1742751459621; Sun, 23 Mar 2025 10:37:39 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mrolnik@gmail.com, philmd@linaro.org, pierrick.bouvier@linaro.org Subject: [PATCH 11/17] target/avr: Implement CPUState.memory_rw_debug Date: Sun, 23 Mar 2025 10:37:23 -0700 Message-ID: <20250323173730.3213964-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250323173730.3213964-1-richard.henderson@linaro.org> References: <20250323173730.3213964-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::62a; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, 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 @linaro.org) X-ZM-MESSAGEID: 1742751542175116600 Content-Type: text/plain; charset="utf-8" Prepare for offset_io being non-zero when accessing from gdb. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Pierrick Bouvier --- target/avr/cpu.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/target/avr/cpu.c b/target/avr/cpu.c index 080f6f30d3..e4011004b4 100644 --- a/target/avr/cpu.c +++ b/target/avr/cpu.c @@ -68,6 +68,35 @@ static void avr_restore_state_to_opc(CPUState *cs, cpu_env(cs)->pc_w =3D data[0]; } =20 +static int avr_memory_rw_debug(CPUState *cpu, vaddr addr, + uint8_t *buf, size_t len, bool is_write) +{ + if (addr < OFFSET_DATA) { + size_t len_code; + int ret; + + if (addr + len <=3D OFFSET_DATA) { + return cpu_memory_rw_debug(cpu, addr, buf, len, is_write); + } + + len_code =3D addr + len - OFFSET_DATA; + ret =3D cpu_memory_rw_debug(cpu, addr, buf, len_code, is_write); + if (ret !=3D 0) { + return ret; + } + addr =3D OFFSET_DATA; + len -=3D len_code; + } + + /* + * Data is biased such that SRAM begins at TARGET_PAGE_SIZE, + * and I/O is immediately prior. This leave a hole between + * OFFSET_DATA and the relative start of the address space. + */ + addr +=3D env_archcpu(cpu_env(cpu))->offset_io; + return cpu_memory_rw_debug(cpu, addr, buf, len, is_write); +} + static void avr_cpu_reset_hold(Object *obj, ResetType type) { CPUState *cs =3D CPU(obj); @@ -262,6 +291,7 @@ static void avr_cpu_class_init(ObjectClass *oc, void *d= ata) cc->gdb_write_register =3D avr_cpu_gdb_write_register; cc->gdb_adjust_breakpoint =3D avr_cpu_gdb_adjust_breakpoint; cc->gdb_core_xml_file =3D "avr-cpu.xml"; + cc->memory_rw_debug =3D avr_memory_rw_debug; cc->tcg_ops =3D &avr_tcg_ops; } =20 --=20 2.43.0