From patchwork Wed Jul 12 16:39:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil V L X-Patchwork-Id: 13310755 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 72D4AEB64DA for ; Wed, 12 Jul 2023 16:41:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qJctW-0004bW-An; Wed, 12 Jul 2023 12:40:50 -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 1qJctK-0004D6-Sf for qemu-devel@nongnu.org; Wed, 12 Jul 2023 12:40:40 -0400 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qJctI-00051P-4f for qemu-devel@nongnu.org; Wed, 12 Jul 2023 12:40:38 -0400 Received: by mail-pg1-x52b.google.com with SMTP id 41be03b00d2f7-55b0e7efb1cso3812808a12.1 for ; Wed, 12 Jul 2023 09:40:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1689180035; x=1691772035; 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=Jso/j+63oBqdVRx3pDSKT/j8yNOcjXEUIlYkCeW99DQ=; b=WY9NzGTHmIQvLhoOqK7OoQNHNJxx0514Z4zB1XapcM+ydX99hN34dlvs0qOQEI786j UQzXQv5TbhuVwk1XibUgn2M7qxNgbL+tNpryr2AwegQ4jtBo0FVXhRWE++aF9/iHGt/6 7kxFideVXiZAcowiG6U7+gZQRK7NHlb/+tx/LS1TU5alRus+zYVsjC7YOMCj8avhtlO4 uySel5GM1BcK/fJoVIHSA8AQVEF3RGW3IgwuTEesZogeY8pRKrr8ou4IKTXCfzsQv7Zb obQ4CzKFL9I/NiVCQuOzwO8THewh2o+5CFG1NfUmqNye+YUK1SqukcvUZXbia4gQnKki nDmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689180035; x=1691772035; 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=Jso/j+63oBqdVRx3pDSKT/j8yNOcjXEUIlYkCeW99DQ=; b=gPKFHZQLwDlv+iHyha+7SZRbu0zQpglIDN+lmvE8xiJUnLmgNyJOAfqcje/HKoP/0i ryEC8oEhZzM2t50ZjBow04ldpB5ar6DmhCfliwm/QpRwX1sJgu1RWRc/mvLBXvsb0Pgg ZgDma+5CXqHcE9Rh3k0wJxrfgIS42+vUrpARrsyylR7sjIrGJVVWjt4VgogvM9Tjktg5 SNvSrbrwWHZil5DcHX8EbclSGXAMfFphARjews92Y8Y+SF/wGrnWduXWKKsQ1xPv0M9O zXUjsfT3r/AmfKvJuEuWmM3mOcxJKNzHrpRJT1c9/s4sfM031j2i4gJ/1XKwllzKvpOw 6sSw== X-Gm-Message-State: ABy/qLZOHXRhjw3SpXZCo1E3n7rHNbZ30MvyXmJEZTnpHJFCeTy519Kk 04bAl5JYdhNjYknaWeDnd9+s3BMI6X0kOJufSIk= X-Google-Smtp-Source: APBJJlGDGcwaVDg/ZS5uxTcNru0qAQc5JAIv51+kelAk07eLCg5SYcSdckVrwPH2ASzdFnCLRFuEdg== X-Received: by 2002:a17:903:25d3:b0:1b8:a328:c1e6 with SMTP id jc19-20020a17090325d300b001b8a328c1e6mr5373527plb.63.1689180034742; Wed, 12 Jul 2023 09:40:34 -0700 (PDT) Received: from sunil-pc.Dlink ([106.51.190.25]) by smtp.gmail.com with ESMTPSA id a18-20020a1709027d9200b001ac7f583f72sm4172824plm.209.2023.07.12.09.40.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jul 2023 09:40:34 -0700 (PDT) From: Sunil V L To: qemu-devel@nongnu.org, qemu-arm@nongnu.org, qemu-riscv@nongnu.org Cc: "Michael S . Tsirkin" , Igor Mammedov , Ani Sinha , Peter Maydell , Shannon Zhao , Paolo Bonzini , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Andrew Jones , Anup Patel , Sunil V L Subject: [PATCH 09/10] hw/riscv/virt-acpi-build.c: Add MMU node in RHCT Date: Wed, 12 Jul 2023 22:09:42 +0530 Message-Id: <20230712163943.98994-10-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230712163943.98994-1-sunilvl@ventanamicro.com> References: <20230712163943.98994-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52b; envelope-from=sunilvl@ventanamicro.com; helo=mail-pg1-x52b.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, T_SCC_BODY_TEXT_LINE=-0.01 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 MMU type information is available via MMU node in RHCT. Add this node in RHCT. Signed-off-by: Sunil V L Reviewed-by: Daniel Henrique Barboza --- hw/riscv/virt-acpi-build.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index 2d2bd3b970..25745eee4c 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -158,6 +158,8 @@ static void build_rhct(GArray *table_data, size_t len, aligned_len; uint32_t isa_offset, num_rhct_nodes, cmo_offset = 0; RISCVCPU *cpu = &s->soc[0].harts[0]; + uint32_t mmu_offset = 0; + uint8_t satp_mode_max; char *isa; AcpiTable table = { .sig = "RHCT", .rev = 1, .oem_id = s->oem_id, @@ -177,6 +179,10 @@ static void build_rhct(GArray *table_data, num_rhct_nodes++; } + if (cpu->cfg.satp_mode.supported != 0) { + num_rhct_nodes++; + } + /* Number of RHCT nodes*/ build_append_int_noprefix(table_data, num_rhct_nodes, 4); @@ -202,6 +208,26 @@ static void build_rhct(GArray *table_data, build_append_int_noprefix(table_data, 0x0, 1); /* Optional Padding */ } + /* MMU node structure */ + if (cpu->cfg.satp_mode.supported != 0) { + satp_mode_max = satp_mode_max_from_map(cpu->cfg.satp_mode.map); + mmu_offset = table_data->len - table.table_offset; + build_append_int_noprefix(table_data, 1, 2); /* Type */ + build_append_int_noprefix(table_data, 8, 2); /* Total Length */ + build_append_int_noprefix(table_data, 0x1, 2); /* Revision */ + build_append_int_noprefix(table_data, 0, 1); /* Reserved */ + /* Virtual Address Scheme */ + if (satp_mode_max == VM_1_10_SV57) { + build_append_int_noprefix(table_data, 2, 1); /* Sv57 */ + } else if (satp_mode_max == VM_1_10_SV48) { + build_append_int_noprefix(table_data, 1, 1); /* Sv48 */ + } else if (satp_mode_max == VM_1_10_SV39) { + build_append_int_noprefix(table_data, 0, 1); /* Sv39 */ + } else { + assert(1); + } + } + /* CMO node */ if (cpu->cfg.ext_icbom || cpu->cfg.ext_icboz) { cmo_offset = table_data->len - table.table_offset; @@ -244,6 +270,11 @@ static void build_rhct(GArray *table_data, num_offsets++; } + if (mmu_offset) { + len += 4; + num_offsets++; + } + build_append_int_noprefix(table_data, len, 2); build_append_int_noprefix(table_data, 0x1, 2); /* Revision */ /* Number of offsets */ @@ -252,9 +283,14 @@ static void build_rhct(GArray *table_data, /* Offsets */ build_append_int_noprefix(table_data, isa_offset, 4); + if (cmo_offset) { build_append_int_noprefix(table_data, cmo_offset, 4); } + + if (mmu_offset) { + build_append_int_noprefix(table_data, mmu_offset, 4); + } } acpi_table_end(linker, &table);