{"id":2198298,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198298/?format=json","project":{"id":69,"url":"http://patchwork.ozlabs.org/api/1.0/projects/69/?format=json","name":"QEMU powerpc development","link_name":"qemu-ppc","list_id":"qemu-ppc.nongnu.org","list_email":"qemu-ppc@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260219191955.83815-6-philmd@linaro.org>","date":"2026-02-19T19:19:07","name":"[v2,05/50] target/alpha: Document gdbstub register indexes","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"54cd00a3efc6f1d6506055f2a0cfbdb1ee9a9cf4","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/1.0/people/85046/?format=json","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260219191955.83815-6-philmd@linaro.org/mbox/","series":[{"id":492714,"url":"http://patchwork.ozlabs.org/api/1.0/series/492714/?format=json","date":"2026-02-19T19:19:04","name":"gdbstub: Build once on various targets (single-binary)","version":2,"mbox":"http://patchwork.ozlabs.org/series/492714/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2198298/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=obrEx447;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fH3CY4XJnz1xxQ\n\tfor ; Fri, 20 Feb 2026 06:21:45 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1vt9Zs-00087p-5Z; Thu, 19 Feb 2026 14:20:44 -0500","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1vt9Zn-00086v-SL\n for qemu-ppc@nongnu.org; Thu, 19 Feb 2026 14:20:39 -0500","from mail-wr1-x442.google.com ([2a00:1450:4864:20::442])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from ) id 1vt9Zj-0007ev-Vz\n for qemu-ppc@nongnu.org; Thu, 19 Feb 2026 14:20:38 -0500","by mail-wr1-x442.google.com with SMTP id\n ffacd0b85a97d-4359a302794so1062156f8f.1\n for ; Thu, 19 Feb 2026 11:20:34 -0800 (PST)","from localhost.localdomain (88-187-86-199.subs.proxad.net.\n [88.187.86.199]) by smtp.gmail.com with ESMTPSA id\n ffacd0b85a97d-43796a6a5f0sm49463838f8f.11.2026.02.19.11.20.32\n (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256);\n Thu, 19 Feb 2026 11:20:33 -0800 (PST)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1771528834; x=1772133634; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=6PDhRTW7GAmDuTAr0/yRpyrzR0th10/L/WUOf8KgycY=;\n b=obrEx4477JqtnuKmzeDXJe716HrZXY9p6CxHD0PlhdqqP3Z9WjIBZVTjy51FCobzTL\n ZBz6rgvOnRL9VTo/fzT5tt7WvHjamUBT2s0wx60BL63Bn5TwZLZSn22Y92y50EgRQ6dp\n hx58OZGPCczL9S5pD4tZZXeat3Yifj7JI6BB8Yuo6sSQr4Tv3vGuceRmAgXPaWnZ58OB\n +hgmYim7F9qUtUWXo5xHVkX1/OUE+5zbA34Wgl8pdIXvVCKXsg/2R80lV8SKpSrUq5ya\n TYDP+CKeB4nPsBLSclDaMVeT2PXSiLFBY0xSW0WCNMV5DjIDAJGl07BL5pL2VnNeQBNw\n v1EQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1771528834; x=1772133634;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=6PDhRTW7GAmDuTAr0/yRpyrzR0th10/L/WUOf8KgycY=;\n b=CK6FL7mSU6xVC142rS9JaY9+AfM7qK2djVma9fJz9kyxOb8UNQdv5nH9mXPwurl0f0\n HZ8ENhRDqDP0GN1WX2yhHIwUiymMWC4MtdWgE6AubxKuZgpBxXCvI9Ygv199cTaJHxhl\n Erc0OEPwisekzRcJVF9+B+MZbSn9o3gOOnPFPQim1/7Tf7qGprwAAgHHdraz3fOzPTv1\n vO3HwVQa2Wg/9Yn8SJBqLWc/9+PvEyWEcD/qntiqIurNCvptHFHt2+I1vww2PPTlmQzR\n X1vcE+UnQeOUF7fvAafJeXRd7dMQ6rEi/JsLkD9kmPEHOKpb0/m4Fwvv92+DkFvxxGf/\n 7gwQ==","X-Forwarded-Encrypted":"i=1;\n AJvYcCUWsePhn9i7H9bgo9871x9BO079bdevWjCZeiaVD2r3B6F4G1/vFsY8FEmZ+UXQc/s/2PaOmwqXnA==@nongnu.org","X-Gm-Message-State":"AOJu0Yy5+PjmrOXf/LPtQ1OnsZfWuIVheDkJCBcJCGQkaqc1R2NOMDtV\n Lq5BoM1gGj/JhdOPxwSD4V0pP9r19qj5EtV5kVqCnuXL/cmRUgER2ua0nG/Kj4lGln8=","X-Gm-Gg":"AZuq6aIp0yYSxzoyY6wcsJUlRx8xzsZq9Hsa8/Q2O16UAIF0Gcok3mmeaXtK+IbL4ms\n oq1rl3P6AqJIKEDRO/t7XheBvfpnOdgx7HJA3cEfrTZ+cyR2o/D3oUKQjWES12p0CV4vPhvErJd\n W1Hy4CdSs6i5QQvcelXRb5TDfl6IxLTv29P7vWJ0PI6eErJwOG+zBTq4/cCmTUhYZGf2py7n7C7\n JT3Xn9paJzj/UVfv1uyBnnab2ywVQuuz79QM7YkhrRTOnriXylHEoqkH1TUmggvWRKioJt0gSE3\n jFWo/LhYwZxTZm0IYQHNX00fsFkYgLITeGhw956MjYRmpRj93dSkra90Rk76Rns5pN2S0SIBsr/\n ZJ3aptEM5MxqyV4wkiVW/GnE9IZjYFeAnmEF+eatwl1aqqfkZteZhkGgeqX1rqZKFNL6DmDLqdI\n togiWrVhgS7arRqb6gFTACA+Mfet3AgYBn328c5tYefOrJMQgaKtk5Nmil/puVvpGwAgLPE2jh","X-Received":"by 2002:a05:6000:18a7:b0:437:6dac:458a with SMTP id\n ffacd0b85a97d-4379dbb080dmr32659457f8f.57.1771528833850;\n Thu, 19 Feb 2026 11:20:33 -0800 (PST)","From":"=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ","To":"qemu-devel@nongnu.org","Cc":"Pierrick Bouvier ,\n Richard Henderson , qemu-s390x@nongnu.org,\n\t=?utf-8?q?Alex_Benn=C3=A9e?= , qemu-riscv@nongnu.org,\n qemu-ppc@nongnu.org,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ","Subject":"[PATCH v2 05/50] target/alpha: Document gdbstub register indexes","Date":"Thu, 19 Feb 2026 20:19:07 +0100","Message-ID":"<20260219191955.83815-6-philmd@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260219191955.83815-1-philmd@linaro.org>","References":"<20260219191955.83815-1-philmd@linaro.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::442;\n envelope-from=philmd@linaro.org; helo=mail-wr1-x442.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-ppc@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Follow GDB XML comments. Re-order switch cases for clarity.\n\nSigned-off-by: Philippe Mathieu-Daudé \n---\n target/alpha/gdbstub.c | 25 ++++++++++++-------------\n 1 file changed, 12 insertions(+), 13 deletions(-)","diff":"diff --git a/target/alpha/gdbstub.c b/target/alpha/gdbstub.c\nindex a7110e8d1eb..7722eb46806 100644\n--- a/target/alpha/gdbstub.c\n+++ b/target/alpha/gdbstub.c\n@@ -31,6 +31,9 @@ int alpha_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)\n case 0 ... 30:\n val = cpu_alpha_load_gr(env, n);\n break;\n+ case 31: /* zero register */\n+ val = 0;\n+ break;\n case 32 ... 62:\n d.d = env->fir[n - 32];\n val = d.ll;\n@@ -41,15 +44,12 @@ int alpha_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)\n case 64:\n val = env->pc;\n break;\n- case 66:\n- val = env->unique;\n- break;\n- case 31:\n- case 65:\n- /* 31 really is the zero register; 65 is unassigned in the\n- gdb protocol, but is still required to occupy 8 bytes. */\n+ case 65: /* former Virtual Register (reserved as unassigned) */\n val = 0;\n break;\n+ case 66: /* PALcode Memory Slot */\n+ val = env->unique;\n+ break;\n default:\n return 0;\n }\n@@ -66,6 +66,8 @@ int alpha_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n case 0 ... 30:\n cpu_alpha_store_gr(env, n, tmp);\n break;\n+ case 31: /* zero register */\n+ break;\n case 32 ... 62:\n d.ll = tmp;\n env->fir[n - 32] = d.d;\n@@ -76,13 +78,10 @@ int alpha_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n case 64:\n env->pc = tmp;\n break;\n- case 66:\n- env->unique = tmp;\n+ case 65: /* former Virtual Register (reserved as unassigned) */\n break;\n- case 31:\n- case 65:\n- /* 31 really is the zero register; 65 is unassigned in the\n- gdb protocol, but is still required to occupy 8 bytes. */\n+ case 66: /* PALcode Memory Slot */\n+ env->unique = tmp;\n break;\n default:\n return 0;\n","prefixes":["v2","05/50"]}