From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B794CD4F2F for ; Thu, 13 Nov 2025 04:50:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vJPH2-00009A-J0; Wed, 12 Nov 2025 23:49:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vJPGe-0007zJ-VP for qemu-devel@nongnu.org; Wed, 12 Nov 2025 23:49:12 -0500 Received: from outbound1.eu.mailhop.org ([52.28.251.132]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vJPGc-0000Qq-3X for qemu-devel@nongnu.org; Wed, 12 Nov 2025 23:49:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=stackframe.org; s=duo-1634547266507-560c42ae; h=content-transfer-encoding:mime-version:references:in-reply-to:message-id:date: subject:cc:to:from:cfbl-address:cfbl-feedback-id:from; bh=EQiK/d4eR2OKP/BGJNe6aFXzoB5xSfYMqlOp9tbaIbs=; b=IzKzuIE4gUgPTkWrN3VAbgazAx64rNCX4PCGG0kVq+Nh9adPG+iHYDKbAvREoKr8mlnVljHuuevzd W9/3FTenmNrZkZI7I0Z894Kir++Qiylacdn7beiYlvNrnl9Z7r1oye9YeIu/fReqsLNHYvcXmJrhXF Woxya6iit01B1oUE= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=dkim-high; h=content-transfer-encoding:mime-version:references:in-reply-to:message-id:date: subject:cc:to:from:cfbl-address:cfbl-feedback-id:from; bh=EQiK/d4eR2OKP/BGJNe6aFXzoB5xSfYMqlOp9tbaIbs=; b=bHBB2BYBhBvTtHy9NaOsbHvVVHSX9A6RhNKuswuuUkyLOJS42i84kgBID7rZzz8wW1gLsZxekGzKK DOdw8bPhTXxZBb158OmVJfGmPpYv6iZgA4sXKRfDzzKk9kIrIwpEbcVzwp9Vot36S3M78j/t/keTo+ VjNiDHGHxEddjCkk+1f1OcB5rgB22qwDawPiD8pRnK8TIrvU6pRC5+lrdZ9LJ4de0NOFQKcaDQQoET i65nrw/PT4azX4s3ZbcNLZQI2z8MhHQ0t/qtnq6ue2siYh1NuETkCrkIsG8c9nh1kUJO5lpyjPxzp0 p7EWEcnEQvv6k6GKLDRSJF7Uj+CbrLQ== X-Originating-IP: 130.180.31.158 X-MHO-RoutePath: dG9ta2lzdG5lcm51 X-MHO-User: 11b4fa91-c04c-11f0-b9e7-5f56af36decb X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Mail-Handler: DuoCircle Outbound SMTP CFBL-Feedback-ID: 11b4fa91-c04c-11f0-b9e7-5f56af36decb:5 CFBL-Address: prvs=04127d9ad8=abuse@outbound.mailhop.org; report=arf Received: from mail.duncanthrax.net (mail.duncanthrax.net [130.180.31.158]) by outbound3.eu.mailhop.org (Halon) with ESMTPSA id 11b4fa91-c04c-11f0-b9e7-5f56af36decb; Thu, 13 Nov 2025 04:49:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=stackframe.org; s=dkim1; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=EQiK/d4eR2OKP/BGJNe6aFXzoB5xSfYMqlOp9tbaIbs=; b=TwsNuLv+VTygyc0qu6CJjnH7Pr V/kTDvjrBt4b6dy9ooT6pIHcqoMOoSHv3OmP2ZMHbODs9xledPklPa+jy6TYp8jiIzlgr42zgZ9Wy KuzJKvWDVCuUmSaQqPdwnv9uzeFcrlZ1kJFNegHNatEL+NA2jbp/mrOKTMX4Sc1cq+uG1Hnc1RaaY 5MAhu2L0e0Gv5TNUmHxd7lkiE3tkO0C4Jn1kFeldS/l/HUt8zP6KrBfpGoq2rG2ZnDQ53d7CUBmMF ov41yPhq8ZbusMljm67S3mLmPUjPtN1fEUCFgeg3CL4AkdjAmv5CwIu5eeI3rGTjmkPWlyziuz6cJ 8VpaMulg==; Received: from [134.3.93.166] (helo=debian.stackframe.org) by mail.duncanthrax.net with esmtpa (Exim 4.97) (envelope-from ) id 1vJPGV-00000006YAi-1j1J; Thu, 13 Nov 2025 05:48:59 +0100 From: Sven Schnelle To: Richard Henderson , Helge Deller Cc: qemu-devel@nongnu.org, Sven Schnelle Subject: [PATCH v2 1/1] target/hppa: add 64 bit support to gdbstub Date: Thu, 13 Nov 2025 05:48:57 +0100 Message-ID: <20251113044857.67290-2-svens@stackframe.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251113044857.67290-1-svens@stackframe.org> References: <20251113044857.67290-1-svens@stackframe.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=52.28.251.132; envelope-from=svens@stackframe.org; helo=outbound1.eu.mailhop.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_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Sven Schnelle --- 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" -/* - * 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; +} int hppa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) { - CPUHPPAState *env = cpu_env(cs); - uint32_t val; + HPPACPU *cpu = HPPA_CPU(cs); + CPUHPPAState *env = &cpu->env; + target_ulong val; + + if (n >= hppa_num_regs(env)) { + return 0; + } switch (n) { case 0: @@ -133,24 +142,35 @@ int hppa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) val = env->cr[30]; break; case 64 ... 127: - val = extract64(env->fr[(n - 64) / 2], (n & 1 ? 0 : 32), 32); - break; - default: - if (n < 128) { - val = 0; + if (hppa_is_pa20(env)) { + val = env->fr[n - 64]; } else { - return 0; + val = extract64(env->fr[(n - 64) / 2], (n & 1 ? 0 : 32), 32); } break; + default: + val = 0; + break; } - 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); + } } int hppa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) { - CPUHPPAState *env = cpu_env(cs); - uint32_t val = ldl_p(mem_buf); + HPPACPU *cpu = HPPA_CPU(cs); + CPUHPPAState *env = &cpu->env; + target_ulong val; + + if (n >= hppa_num_regs(env)) { + return 0; + } + + val = ldn_p(mem_buf, hppa_reg_size(env)); 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] = val; + } else { uint64_t *fr = &env->fr[(n - 64) / 2]; *fr = deposit64(*fr, (n & 1 ? 0 : 32), 32, val); } break; default: - if (n >= 128) { - return 0; - } break; } - return 4; + + return hppa_reg_size(env); } -- 2.51.0