From patchwork Tue Sep 24 22:17:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 1989093 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=WHLANgu2; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XCvWw5p6zz1xt3 for ; Wed, 25 Sep 2024 08:23:24 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1stDt3-0003uA-Cz; Tue, 24 Sep 2024 18:20:01 -0400 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 1stDsq-00038D-TU for qemu-devel@nongnu.org; Tue, 24 Sep 2024 18:19:50 -0400 Received: from mail-pf1-x432.google.com ([2607:f8b0:4864:20::432]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1stDsp-0001kK-1K for qemu-devel@nongnu.org; Tue, 24 Sep 2024 18:19:48 -0400 Received: by mail-pf1-x432.google.com with SMTP id d2e1a72fcca58-7191fb54147so4430958b3a.2 for ; Tue, 24 Sep 2024 15:19:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727216385; x=1727821185; 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=nGgFxZGfm9ekyoaWZ4grTX9986f5O+aJN6pNlI6SJRk=; b=WHLANgu2N3DFuusl+XL4uhtdmiBC6uYh26P7X1SW3d+ZdWhFJzyBRHUKLfc/YjZMGD NQUS9tb4jLBvjBlhdRufq4tuPLqkKlfrhHpaaiFz9MUtEpZJBRL7IQ7NcvAcosyEUX6E vlMj2AvzgRUa31TjXl9jrLmu2SABpHAdx3oxahbPYsOS0Ro6K0rskQj9Ooz2cwI9kfvR Dc8GClR2ruNRzcdlQtKh8y2EV0ASkq4SmPiD6d7lLnoUwzyh/OHgjsEfNbrS/qeEtz+e N01wpWxy4vv/MC4FMCryv0zg2VGRKJKcQbn9RLX6CgrXEFk5Cmlohegjx5dkq/c2a2Ps NNLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727216385; x=1727821185; 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=nGgFxZGfm9ekyoaWZ4grTX9986f5O+aJN6pNlI6SJRk=; b=EWHK0kgv6T3C6qRO5iZTfsXkxnkno3Ri35WASLZEow8J5pUAhTGqlwHuMxdg4vu4Ym 1h4P6XM1W7aUwibQS4XtyvZkB+nMbgLsfn+ZUhLBLLmA4dSmdF3KKc4/ZYuAAcWxPODN Z721Xtfa3VBEGbfjGiOPseZkgDGGH056P6tpM91ebRO3K/W9BfRnwi/v5Tpvz9CEZVwi Bf5vexWqHxT+fJJtzto3C6RFJ8MqTDGahoDuSFKdpmeyIaGMMeLS2QvPVKhtLQPSDTJO Qb8PE1sz7+OTglTnkFCjcEiELF1yxrvZEukHl3vVNJisY+joES/svJbxYxJEhZUJ3esZ hN2w== X-Gm-Message-State: AOJu0Yye+J4xqUonwmGOeJ6xZ7eIVLBYwRy4Cl87gXL/3bnkP4bCSYAt t7CtEL2RAFF05ol8wPcWcdwM08PMycTh5szyfgzcKionV3zJF/HQ0IrRbw== X-Google-Smtp-Source: AGHT+IEqGKN38J8hmv3R8xg5w5CpvuiY8JclIG36w2O0DKtUMn+GOCpDyQJb9G53u9MZsiWuOk/8LQ== X-Received: by 2002:a05:6a00:1acf:b0:714:2198:26bd with SMTP id d2e1a72fcca58-71b0aab426dmr1186515b3a.11.1727216385389; Tue, 24 Sep 2024 15:19:45 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71afc8342easm1665310b3a.11.2024.09.24.15.19.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Sep 2024 15:19:44 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Mark Corbin , Ajeet Singh , Richard Henderson , Alistair Francis Subject: [PULL v2 33/47] bsd-user: Implement RISC-V CPU register cloning and reset functions Date: Wed, 25 Sep 2024 08:17:34 +1000 Message-ID: <20240924221751.2688389-34-alistair.francis@wdc.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20240924221751.2688389-1-alistair.francis@wdc.com> References: <20240924221751.2688389-1-alistair.francis@wdc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=alistair23@gmail.com; helo=mail-pf1-x432.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Mark Corbin Added functions for cloning CPU registers and resetting the CPU state for RISC-V architecture. Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson Message-ID: <20240916155119.14610-4-itachis@FreeBSD.org> Signed-off-by: Alistair Francis --- bsd-user/riscv/target_arch_cpu.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/bsd-user/riscv/target_arch_cpu.h b/bsd-user/riscv/target_arch_cpu.h index 9c31d9dc4c..a93ea3915a 100644 --- a/bsd-user/riscv/target_arch_cpu.h +++ b/bsd-user/riscv/target_arch_cpu.h @@ -131,4 +131,18 @@ static inline void target_cpu_loop(CPURISCVState *env) } } +static inline void target_cpu_clone_regs(CPURISCVState *env, target_ulong newsp) +{ + if (newsp) { + env->gpr[xSP] = newsp; + } + + env->gpr[xA0] = 0; + env->gpr[xT0] = 0; +} + +static inline void target_cpu_reset(CPUArchState *env) +{ +} + #endif /* TARGET_ARCH_CPU_H */