From nobody Thu Oct 2 10:16:42 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1545772322133110.19414928406616; Tue, 25 Dec 2018 13:12:02 -0800 (PST) Received: from localhost ([127.0.0.1]:43152 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gbtzc-0006jN-Ng for importer@patchew.org; Tue, 25 Dec 2018 16:12:00 -0500 Received: from eggs.gnu.org ([208.118.235.92]:50271) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gbtmZ-0006QB-GR for qemu-devel@nongnu.org; Tue, 25 Dec 2018 15:58:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gbtmV-0000KC-KJ for qemu-devel@nongnu.org; Tue, 25 Dec 2018 15:58:31 -0500 Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]:37073) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gbtmR-0000Ag-MR for qemu-devel@nongnu.org; Tue, 25 Dec 2018 15:58:25 -0500 Received: by mail-pl1-x62e.google.com with SMTP id b5so6811209plr.4 for ; Tue, 25 Dec 2018 12:58:16 -0800 (PST) Received: from cloudburst.home (c211-28-135-144.sunsh3.vic.optusnet.com.au. [211.28.135.144]) by smtp.gmail.com with ESMTPSA id t21sm48501628pgg.24.2018.12.25.12.58.09 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 25 Dec 2018 12:58:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=bhWGbU/OdpKGOIkKtBWuYI0luvj9FAaFqjbZc/i4NcQ=; b=eZtm7qDXpAewozoIScKPRjcj5z5L5oCTTyabIB6dlUIHBxZUsljC2bWJKmtFLYPCP7 WCNNZJ/u2wXrQCBBb+oo2EeQ+xROFvaHNTShNUsYFJfiscC861hBCSwsI4w0HOFVa1zw 7+www/yYaI8O8EQz944m6YKqJZUS0b8i+cUbo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=bhWGbU/OdpKGOIkKtBWuYI0luvj9FAaFqjbZc/i4NcQ=; b=X9idzYvlMs/yo57p9HwbVeoTpa8REVTk3QcM1sCKcyWHK4S9i8ICmPIrTjsk6E0q8T RtRiOVnMag2UhU3tbbRPx3zEAwrZEVA2qpkqRA9nebxVzV7YidgCFvwywGcH7r9GReK0 BMIyifPyTQo76otZ6nRFpntuoHz6vhDcp8CT2MExY52zbigssLMl63k1PAgM3LNZ1XVH ZuNQg8YtFIaGKhiSFqb7Q7jrecQtLBgXi6ErH0UpKofM3xD4HwULp98NWIi2L3KAQIGk yzjrZp2R7MXYVU+XiVh2bG8yWOwZbEgfoiA9+Xf58VN2yDJQ8USXUsHbSV46olaKCiss ElNA== X-Gm-Message-State: AJcUukfKNekW9JH+e+54xmSgetRea3gfmy8Z31FaT+Je00on+JRz/zna SgNCRxJ05LtnDS09I9jPSw5fMXq8860= X-Google-Smtp-Source: ALg8bN637AQfrk+v4Y77BtteZCYrWVxC753y67Atx6bY5r1z3jiNH4ZOrMtvwJLvOtPa/F1SdSBagw== X-Received: by 2002:a17:902:7848:: with SMTP id e8mr17838211pln.100.1545771495600; Tue, 25 Dec 2018 12:58:15 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 26 Dec 2018 07:55:07 +1100 Message-Id: <20181225205529.10874-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181225205529.10874-1-richard.henderson@linaro.org> References: <20181225205529.10874-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::62e Subject: [Qemu-devel] [PULL 20/42] tcg/riscv: Add the target init code X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Michael Clark , Alistair Francis Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Alistair Francis Signed-off-by: Alistair Francis Signed-off-by: Michael Clark Reviewed-by: Richard Henderson Message-Id: Signed-off-by: Richard Henderson --- tcg/riscv/tcg-target.inc.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c index 8a5f1deefc..6cf8de32b5 100644 --- a/tcg/riscv/tcg-target.inc.c +++ b/tcg/riscv/tcg-target.inc.c @@ -1872,6 +1872,37 @@ static void tcg_target_qemu_prologue(TCGContext *s) tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, TCG_REG_RA, 0); } =20 +static void tcg_target_init(TCGContext *s) +{ + tcg_target_available_regs[TCG_TYPE_I32] =3D 0xffffffff; + if (TCG_TARGET_REG_BITS =3D=3D 64) { + tcg_target_available_regs[TCG_TYPE_I64] =3D 0xffffffff; + } + + tcg_target_call_clobber_regs =3D -1u; + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S0); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S1); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S2); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S3); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S4); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S5); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S6); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S7); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S8); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S9); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S10); + tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S11); + + s->reserved_regs =3D 0; + tcg_regset_set_reg(s->reserved_regs, TCG_REG_ZERO); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP0); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP1); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP2); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_SP); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_GP); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TP); +} + typedef struct { DebugFrameHeader h; uint8_t fde_def_cfa[4]; --=20 2.17.2