From patchwork Tue Jul 23 20:38:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13740357 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 F04ACC3DA49 for ; Tue, 23 Jul 2024 20:41:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sWMI5-0003ke-6o; Tue, 23 Jul 2024 16:39:21 -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 1sWMI3-0003hh-CT for qemu-devel@nongnu.org; Tue, 23 Jul 2024 16:39:19 -0400 Received: from mail-wm1-x329.google.com ([2a00:1450:4864:20::329]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sWMI1-0003va-OF for qemu-devel@nongnu.org; Tue, 23 Jul 2024 16:39:19 -0400 Received: by mail-wm1-x329.google.com with SMTP id 5b1f17b1804b1-4266ea6a412so43216515e9.1 for ; Tue, 23 Jul 2024 13:39:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1721767156; x=1722371956; 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=rrr8U9MJkVqXeBeQIRhzeP4hlOkJzQZ2EPAVbiwALWY=; b=uu+kCSWUxkbHbQCPsXA1lfKP0oaO/kWX5NBaK4t5h3qxK5XqYbV0KvXi2SoR5wAlG0 tU6iTKRZeNC4HdTLCkds88CF9Aev6OxN6Qu5zRCMEJ33K9hliY8PkaJLfPMk1iSMwOz/ 5GotqIT3JcU2ENIs4HhlIPLgEZlUMol8LwwgUlRkkVQCoH+FNbf15Ri4vL1smJE7SDsM wWTy7wCc8XymaqGNHs5dqh2xRSLpnTF+jpF/P5zW4nWWWLvc5ZzPeej6vK0w/Pml+BfP lrBpYURkZV2QC6wvlkGsS7U4xW2KAFDEWTqU/zkhe6+OpCaRlf+g2FcDi/sce59Su/4B tRXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721767156; x=1722371956; 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=rrr8U9MJkVqXeBeQIRhzeP4hlOkJzQZ2EPAVbiwALWY=; b=fElR0E9HbxKL9ViheK5aS/NCs+yvs6S9WkNGYLYKhWxDVYqqFJNWc9bsJiu5DwjEwr roiNMmMVTFR2hZ1Ls0h399NQmsJIwwbqRDOO/TPY8Rc4gRG4GFWFUmoXeBrC3BifrlL1 WXYzzbEfkz6a+qC0QeTOJVeLd3tCtYGRaI823wB8ap40L3KNL3OqMQ5i1z5ix2Q+i042 zvBNBuZogDsdW0jaoSbk5dBb0lY44r0qQIbKrlFfBd5K8hflOD3Y/9EhPJ9vCNTar12k b1eU0aOL8MkSAKbEvqAaNPDEMwLaI5rDONYVvw0U76tTNBbHqbtE9O7oU/zryX4w2+Fy PvRQ== X-Gm-Message-State: AOJu0YxN8dGKSxVI/WRZOg+zi1sTynADwd3HRXqjCEnlCMAdqb6MMeIf SP2ntgCfBpOSZsCJBZv8VMC2K/2rEUUBLhswFNI5ukTTBw97cNYXTB9+jYiuJIYglAFNZOzdsAQ r7k0= X-Google-Smtp-Source: AGHT+IF38NEHrloe4WJCVqJkOGfytDDebvQOmzI0hSvr9MRxWG5qQfuMtnfYADvRMUbtZ9RkSj2V9w== X-Received: by 2002:a05:600c:a42:b0:426:54c9:dfe5 with SMTP id 5b1f17b1804b1-427eab7c129mr43548945e9.10.1721767155936; Tue, 23 Jul 2024 13:39:15 -0700 (PDT) Received: from localhost.localdomain (vbo91-h01-176-184-50-4.dsl.sta.abo.bbox.fr. [176.184.50.4]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-427f937e274sm512615e9.14.2024.07.23.13.39.14 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 23 Jul 2024 13:39:15 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Bibo Mao , qemu-stable@nongnu.org, =?utf-8?q?Philip?= =?utf-8?q?pe_Mathieu-Daud=C3=A9?= , Song Gao , Richard Henderson , Jiaxun Yang Subject: [PULL 03/28] hw/intc/loongson_ipi: Access memory in little endian Date: Tue, 23 Jul 2024 22:38:30 +0200 Message-ID: <20240723203855.65033-4-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240723203855.65033-1-philmd@linaro.org> References: <20240723203855.65033-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=philmd@linaro.org; helo=mail-wm1-x329.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=unavailable 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 From: Bibo Mao Loongson IPI is only available in little-endian, so use that to access the guest memory (in case we run on a big-endian host). Cc: qemu-stable@nongnu.org Signed-off-by: Bibo Mao Fixes: f6783e3438 ("hw/loongarch: Add LoongArch ipi interrupt support") [PMD: Extracted from bigger commit, added commit description] Co-Developed-by: Philippe Mathieu-Daudé Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Bibo Mao Tested-by: Bibo Mao Acked-by: Song Gao Reviewed-by: Richard Henderson Reviewed-by: Jiaxun Yang Tested-by: Jiaxun Yang Message-Id: <20240718133312.10324-3-philmd@linaro.org> --- hw/intc/loongson_ipi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/intc/loongson_ipi.c b/hw/intc/loongson_ipi.c index e6a7142480c..e7979dbdd8b 100644 --- a/hw/intc/loongson_ipi.c +++ b/hw/intc/loongson_ipi.c @@ -14,6 +14,7 @@ #include "qapi/error.h" #include "qemu/log.h" #include "exec/address-spaces.h" +#include "exec/memory.h" #include "migration/vmstate.h" #ifdef TARGET_LOONGARCH64 #include "target/loongarch/cpu.h" @@ -102,7 +103,7 @@ static MemTxResult send_ipi_data(CPUState *cpu, uint64_t val, hwaddr addr, * if the mask is 0, we need not to do anything. */ if ((val >> 27) & 0xf) { - data = address_space_ldl(iocsr_as, addr, attrs, NULL); + data = address_space_ldl_le(iocsr_as, addr, attrs, NULL); for (i = 0; i < 4; i++) { /* get mask for byte writing */ if (val & (0x1 << (27 + i))) { @@ -113,7 +114,7 @@ static MemTxResult send_ipi_data(CPUState *cpu, uint64_t val, hwaddr addr, data &= mask; data |= (val >> 32) & ~mask; - address_space_stl(iocsr_as, addr, data, attrs, NULL); + address_space_stl_le(iocsr_as, addr, data, attrs, NULL); return MEMTX_OK; }