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Tue, 23 Dec 2025 10:51:06 -0500 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 17C3860143; Tue, 23 Dec 2025 15:51:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 048CAC116C6; Tue, 23 Dec 2025 15:51:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766505063; bh=DjWpiI5N5cWwn+jQ86+vd53iDYlr5d2zwhULpb1iG0s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T9VAMNRCrTRNlbJ1XWGaiqHrQKfI3D4OsBvQZorj9eQyECChHpUgN1fXmv7Q9V9kl Nyv8z4/QRZRmyemdZPK5AOxGhTs58b1d9ZJqsjOkvpxecOzFIC+Dcbgz3SF0+gZcS1 r0JH0pOAXRFHB6P2gzaxa0v6WDMq4iuuCN2hfr9h0+8k4bdWY3q2od0ay1YDfdg2/v G7i3zBKvnQaF6g737HSZuP/nn+KBmwuDkMke0gTGIIsCskevuDpA+/xFbFdSqt7ezj ejdxJqU69Hn3rCxkqDBTNjrheINDtHPj1Rmwf6V+M9bDNwL3xx7qy1tJ9mXzWoJlos aT7RCJh+iuVJA== From: deller@kernel.org To: qemu-devel@nongnu.org Cc: Soumyajyotii Ssarkar , Paolo Bonzini , Helge Deller , Sven Schnelle , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , Fam Zheng Subject: [PULL 12/12] target/hppa: add 64 bit support to gdbstub Date: Tue, 23 Dec 2025 16:50:31 +0100 Message-ID: <20251223155031.7110-13-deller@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251223155031.7110-1-deller@kernel.org> References: <20251223155031.7110-1-deller@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 (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=172.105.4.254; envelope-from=deller@kernel.org; helo=tor.source.kernel.org 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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-ZohoMail-DKIM: pass (identity @kernel.org) X-ZM-MESSAGEID: 1766505141032158500 From: Sven Schnelle Signed-off-by: Sven Schnelle Reviewed-by: Helge Deller Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Helge Deller --- target/hppa/gdbstub.c | 62 ++++++++++++++++++++++++++++--------------- 1 file changed, 41 insertions(+), 21 deletions(-) diff --git a/target/hppa/gdbstub.c b/target/hppa/gdbstub.c index 0daa52f7af..777f4a48b9 100644 --- a/target/hppa/gdbstub.c +++ b/target/hppa/gdbstub.c @@ -21,16 +21,25 @@ #include "cpu.h" #include "gdbstub/helpers.h" =20 -/* - * GDB 15 only supports PA1.0 via the remote protocol, and ignores - * any provided xml. Which means that any attempt to provide more - * data results in "Remote 'g' packet reply is too long". - */ +static int hppa_num_regs(CPUHPPAState *env) +{ + return hppa_is_pa20(env) ? 96 : 128; +} + +static int hppa_reg_size(CPUHPPAState *env) +{ + return hppa_is_pa20(env) ? 8 : 4; +} =20 int hppa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) { - CPUHPPAState *env =3D cpu_env(cs); - uint32_t val; + HPPACPU *cpu =3D HPPA_CPU(cs); + CPUHPPAState *env =3D &cpu->env; + target_ulong val; + + if (n >=3D hppa_num_regs(env)) { + return 0; + } =20 switch (n) { case 0: @@ -133,24 +142,35 @@ int hppa_cpu_gdb_read_register(CPUState *cs, GByteArr= ay *mem_buf, int n) val =3D env->cr[30]; break; case 64 ... 127: - val =3D extract64(env->fr[(n - 64) / 2], (n & 1 ? 0 : 32), 32); - break; - default: - if (n < 128) { - val =3D 0; + if (hppa_is_pa20(env)) { + val =3D env->fr[n - 64]; } else { - return 0; + val =3D extract64(env->fr[(n - 64) / 2], (n & 1 ? 0 : 32), 32); } break; + default: + val =3D 0; + break; } =20 - return gdb_get_reg32(mem_buf, val); + if (hppa_is_pa20(env)) { + return gdb_get_reg64(mem_buf, val); + } else { + return gdb_get_reg32(mem_buf, val); + } } =20 int hppa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) { - CPUHPPAState *env =3D cpu_env(cs); - uint32_t val =3D ldl_p(mem_buf); + HPPACPU *cpu =3D HPPA_CPU(cs); + CPUHPPAState *env =3D &cpu->env; + target_ulong val; + + if (n >=3D hppa_num_regs(env)) { + return 0; + } + + val =3D ldn_p(mem_buf, hppa_reg_size(env)); =20 switch (n) { case 0: @@ -267,16 +287,16 @@ int hppa_cpu_gdb_write_register(CPUState *cs, uint8_t= *mem_buf, int n) cpu_hppa_loaded_fr0(env); break; case 65 ... 127: - { + if (hppa_is_pa20(env)) { + env->fr[n - 64] =3D val; + } else { uint64_t *fr =3D &env->fr[(n - 64) / 2]; *fr =3D deposit64(*fr, (n & 1 ? 0 : 32), 32, val); } break; default: - if (n >=3D 128) { - return 0; - } break; } - return 4; + + return hppa_reg_size(env); } --=20 2.52.0