From nobody Mon Sep 16 20:22:44 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1673628948; cv=none; d=zohomail.com; s=zohoarc; b=dXCcV/kKRoZoenqDM4so3Ry6fKWSLogGh5D4KDCZeC5Nrf7r7Uq02tho5btzsblHE/41Zg2sjyufxpzeM5OYZ9y7QJN7Jdnxd3cbCjTmWynoh/Jw9YTOkb4C7+824BI8L7AzIlWBhq3b4k/ItUzk5zeAp2pMJO4HtF+ocaLIWi0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1673628948; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hGNLpc3KFK10A/aPMRWO52DZ2IuO8Bnj/8mkbLJTAeI=; b=di2eOU/GJSWIboDEOYnnDca6QBKVZxshs9dN2M0jFvriTaLbnIRqjECqLQPDM4rjXBCBpG/RGcxoKhJU0IiSlow0DFxEzatpkfI/Ini0LEegvgIixU5ziyS3xBBOxnrqbWoAuMLgtMgMnqtsfY1fTIUX275nKUlO288bK5h3uic= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTP id 1673628948808876.9379059427199; Fri, 13 Jan 2023 08:55:48 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pGMH6-0002Fr-U8; Fri, 13 Jan 2023 10:47:24 -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 1pGMH5-0002FF-Hz for qemu-devel@nongnu.org; Fri, 13 Jan 2023 10:47:23 -0500 Received: from mail-wr1-x42a.google.com ([2a00:1450:4864:20::42a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pGMH3-0006PD-Vf for qemu-devel@nongnu.org; Fri, 13 Jan 2023 10:47:23 -0500 Received: by mail-wr1-x42a.google.com with SMTP id co23so21470999wrb.4 for ; Fri, 13 Jan 2023 07:47:21 -0800 (PST) Received: from localhost.localdomain ([81.0.6.76]) by smtp.gmail.com with ESMTPSA id g2-20020a5d4882000000b00286ad197346sm19248538wrq.70.2023.01.13.07.47.19 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 13 Jan 2023 07:47:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=hGNLpc3KFK10A/aPMRWO52DZ2IuO8Bnj/8mkbLJTAeI=; b=t7kQubY6RHVLKS/DKP2mYUJqszwP5zOpbUtCTkrk/SFQkfaq1oYHSlBN7JffZUQRAv OdsPvcin9nhBtonni0cW+a4VgPMYMmpwUakOleJ52vd7GmQwzOePA81wYRHzhLK3hDKY iUee/k6imT6WZhYrPG3m7n+15oqm99ZyulZp7mscmchtnNobZXqb15WLX9OATviHoh3W AIaRxCU54uj2u84Td60ouG1Pz3SOCRTMsSlI6vjarzhdnQeqAj3m293wHdlPu9Y3d8Sb NI3Yz2HlKHOLs4NQPV0tTPuzw7BgCD13NqAFQC2OKaUqBnMS1Nq2zcxNyrrHMKsBUVuM dXYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=hGNLpc3KFK10A/aPMRWO52DZ2IuO8Bnj/8mkbLJTAeI=; b=YFwE2AzQ+lm474r20/5JrUn/xmf1GXx7prpjr/uHDdxP0gzcsKEUj0XIOju20L11I2 mCIqfg4wKLiM8uGR5/zGJA5qGC3wdulNbaBjygI1CX2/JjM+LS6NedQAr+uXxzcmAL4o gt2nDIPRVNTcxmA5pnV8iVRIeVwdKtY9Edns3VtQsh5N5hNxUTV9yrYZntJv3tUkiU36 et8cxoQSmyZIxsSaBlackJys3pNjMgbXF+P7smpGhfvjgkbXARRHp6fdYcFi0Eo/RAkc IqlB1Xmniqqm4TPsNa2YRtUCFgY8Tbu4Ptjle7jExGEpF5+R5SI6qf/N9wIDTYOcdkhI Ve3A== X-Gm-Message-State: AFqh2kqUe9wqWnn3CrO/fzBUPpZovibO8t5wHA9WqjDCevp5TzdBdyvY 6s+l3+eqyXCbwgIzgIUyFvvUNfvk08iXM213 X-Google-Smtp-Source: AMrXdXvpFX1ttsOqcg0gprsVDHlaIKnvomif+45BSY1B8NwixmikBTj0YC1YnKZdz6QI6hf7posOFg== X-Received: by 2002:adf:a408:0:b0:26f:6bf:348f with SMTP id d8-20020adfa408000000b0026f06bf348fmr196950wra.6.1673624839949; Fri, 13 Jan 2023 07:47:19 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson Subject: [PULL 22/46] hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (5/5) Date: Fri, 13 Jan 2023 16:45:08 +0100 Message-Id: <20230113154532.49979-23-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230113154532.49979-1-philmd@linaro.org> References: <20230113154532.49979-1-philmd@linaro.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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=philmd@linaro.org; helo=mail-wr1-x42a.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1673628950208100001 Part 5/5: Convert jumping to kernel Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20221211204533.85359-11-philmd@linaro.org> --- hw/mips/malta.c | 68 ++++++++----------------------------------------- 1 file changed, 11 insertions(+), 57 deletions(-) diff --git a/hw/mips/malta.c b/hw/mips/malta.c index e618513e35..b66dad0510 100644 --- a/hw/mips/malta.c +++ b/hw/mips/malta.c @@ -625,11 +625,6 @@ static void write_bootloader_nanomips(uint8_t *base, u= int64_t run_addr, /* Small bootloader */ p =3D (uint16_t *)base; =20 -#define NM_HI1(VAL) (((VAL) >> 16) & 0x1f) -#define NM_HI2(VAL) \ - (((VAL) & 0xf000) | (((VAL) >> 19) & 0xffc) | (((VAL) >> 31) & 0= x1)) -#define NM_LO(VAL) ((VAL) & 0xfff) - stw_p(p++, 0x2800); stw_p(p++, 0x001c); /* bc to_here */ stw_p(p++, 0x8000); stw_p(p++, 0xc000); @@ -648,46 +643,6 @@ static void write_bootloader_nanomips(uint8_t *base, u= int64_t run_addr, /* nop */ =20 /* to_here: */ - if (semihosting_get_argc()) { - /* Preserve a0 content as arguments have been passed */ - stw_p(p++, 0x8000); stw_p(p++, 0xc000); - /* nop */ - } else { - stw_p(p++, 0x0080); stw_p(p++, 0x0002); - /* li a0,2 */ - } - - stw_p(p++, 0xe3a0 | NM_HI1(ENVP_VADDR - 64)); - - stw_p(p++, NM_HI2(ENVP_VADDR - 64)); - /* lui sp,%hi(ENVP_VADDR - 64) */ - - stw_p(p++, 0x83bd); stw_p(p++, NM_LO(ENVP_VADDR - 64)); - /* ori sp,sp,%lo(ENVP_VADDR - 64) */ - - stw_p(p++, 0xe0a0 | NM_HI1(ENVP_VADDR)); - - stw_p(p++, NM_HI2(ENVP_VADDR)); - /* lui a1,%hi(ENVP_VADDR) */ - - stw_p(p++, 0x80a5); stw_p(p++, NM_LO(ENVP_VADDR)); - /* ori a1,a1,%lo(ENVP_VADDR) */ - - stw_p(p++, 0xe0c0 | NM_HI1(ENVP_VADDR + 8)); - - stw_p(p++, NM_HI2(ENVP_VADDR + 8)); - /* lui a2,%hi(ENVP_VADDR + 8) */ - - stw_p(p++, 0x80c6); stw_p(p++, NM_LO(ENVP_VADDR + 8)); - /* ori a2,a2,%lo(ENVP_VADDR + 8) */ - - stw_p(p++, 0xe0e0 | NM_HI1(loaderparams.ram_low_size)); - - stw_p(p++, NM_HI2(loaderparams.ram_low_size)); - /* lui a3,%hi(loaderparams.ram_low_size) */ - - stw_p(p++, 0x80e7); stw_p(p++, NM_LO(loaderparams.ram_low_size)); - /* ori a3,a3,%lo(loaderparams.ram_low_size= ) */ =20 #if TARGET_BIG_ENDIAN #define cpu_to_gt32 cpu_to_le32 @@ -725,20 +680,19 @@ static void write_bootloader_nanomips(uint8_t *base, = uint64_t run_addr, cpu_mips_phys_to_kseg1(NULL, 0x1be00000 + 0x88), cpu_to_gt32(0x0bc00000 << 3)); =20 - p =3D v; - #undef cpu_to_gt32 =20 - stw_p(p++, 0xe320 | NM_HI1(kernel_entry)); - - stw_p(p++, NM_HI2(kernel_entry)); - /* lui t9,%hi(kernel_entry) */ - - stw_p(p++, 0x8339); stw_p(p++, NM_LO(kernel_entry)); - /* ori t9,t9,%lo(kernel_entry) */ - - stw_p(p++, 0x4bf9); stw_p(p++, 0x0000); - /* jalrc t8 */ + bl_gen_jump_kernel(&v, + true, ENVP_VADDR - 64, + /* + * If semihosting is used, arguments have already b= een + * passed, so we preserve $a0. + */ + !semihosting_get_argc(), 2, + true, ENVP_VADDR, + true, ENVP_VADDR + 8, + true, loaderparams.ram_low_size, + kernel_entry); } =20 /* --=20 2.38.1