From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 2002:a5d:6089:0:0:0:0:0 with SMTP id w9csp5810004wrt; Mon, 26 Nov 2018 08:37:18 -0800 (PST) X-Google-Smtp-Source: AFSGD/Xgv7GdW/b5UC4/oGdpP7HoDrT+mmHPyVvoC5lU/FohFDYpYhaN0o5HidUANXPvLA5sUSg1 X-Received: by 2002:ac8:fb4:: with SMTP id b49mr26745787qtk.2.1543250238651; Mon, 26 Nov 2018 08:37:18 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543250238; cv=none; d=google.com; s=arc-20160816; b=J0vF6Gak7X6TpTXdtAqB5ZUmA55QWcjWCUrkR3LFN9Y4QGTGLJgv/U+n+M7xBnLFRK lHt6o74DbpREaPaJ86u6loywwhlKZ1e8fbbBR2YDRipWXDw3klN8xJeRo2luDyg3KMTO SRKdaKv15Hu/VAwBptFJ6546O5n12NTMhZpkKRuRTTioslU4y+EU+5Xy/bwB14+PNAbq r/7tcGdijXzujqiGD0r/UVEERkbbkwQLos8bW3+GYOoDSYjpFKe+Ajmw2MWQZfXkBJ/p 9KAjMkXELA4istvwmfS0XG2MzFlPYIVd54vKczuwRKrHEcF/mmWI966fGTxIq+YUt/F+ ELmQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject :content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:to:from; bh=sNrdt+giiGB2Dd5joVf1eg7/WR8Zc7R5eKBDlyr+yBw=; b=MPzEKMg2yH3KlcfYVfD6F/VCetPBhpaaN+FkCRLNDb3ibn9LdiaayYyV+1AQ5lGOkh P+9CO/QuXhr4YZ88GKl6a2tPNbb+RSED73dc9WmB5+FMiZkwPLnt1t3ZhRhsNotzj1LH RNg5k/im08mi+STcZk/bAADNyRmwamPhwmZRqtDSGhzN5MRd0udYYQpyaKFYWY9oS8hy 4/UiDHC1PVinHqToa2t1uHneFSOv44+FsvuD66r/qnKaesx/u3ZcXIQLVC1FoPdZxxfL Drpfm+AJGKeCGGh8T60EtbFJ9z3QjrHPgn93XD3wKkvrnnuuBLrM9t5E4/oydImgEWKg A9eg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom="qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id j13si629436qtk.203.2018.11.26.08.37.18 for (version=TLS1 cipher=AES128-SHA bits=128/128); Mon, 26 Nov 2018 08:37:18 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom="qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from localhost ([::1]:37546 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRJss-0005k6-0k for alex.bennee@linaro.org; Mon, 26 Nov 2018 11:37:18 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37857) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRJmm-00014E-SC for qemu-devel@nongnu.org; Mon, 26 Nov 2018 11:31:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gRJmj-0004cn-6f for qemu-devel@nongnu.org; Mon, 26 Nov 2018 11:31:00 -0500 Received: from mga11.intel.com ([192.55.52.93]:54537) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gRJmi-0004YC-SS; Mon, 26 Nov 2018 11:30:57 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 08:30:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,283,1539673200"; d="scan'208";a="90955517" Received: from sunandos-mobl2.ger.corp.intel.com (HELO localhost.localdomain) ([10.251.82.176]) by fmsmga008.fm.intel.com with ESMTP; 26 Nov 2018 08:30:52 -0800 From: Samuel Ortiz To: qemu-devel@nongnu.org Date: Mon, 26 Nov 2018 17:29:40 +0100 Message-Id: <20181126162942.21258-8-sameo@linux.intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181126162942.21258-1-sameo@linux.intel.com> References: <20181126162942.21258-1-sameo@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [PATCH 7/8] hw: acpi: Export and share the ARM RSDP build 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: Laurent Vivier , Peter Maydell , Thomas Huth , Eduardo Habkost , Ben Warren , "Michael S. Tsirkin" , Shannon Zhao , qemu-arm@nongnu.org, Paolo Bonzini , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-devel" X-TUID: RdS7e09tN2Cu Now that build_rsdp() supports building both legacy and current RSDP tables, we can move it to a generic folder (hw/acpi) and have the i386 ACPI code reuse it in order to reduce code duplication. Signed-off-by: Samuel Ortiz --- include/hw/acpi/aml-build.h | 5 +++ hw/acpi/aml-build.c | 81 +++++++++++++++++++++++++++++++++++++ hw/arm/virt-acpi-build.c | 81 ------------------------------------- hw/i386/acpi-build.c | 34 ++-------------- 4 files changed, 90 insertions(+), 111 deletions(-) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 6c36903c0a..1bbe496e32 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -388,6 +388,11 @@ void acpi_add_table(GArray *table_offsets, GArray *table_data); void acpi_build_tables_init(AcpiBuildTables *tables); void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre); void +build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data); +void +init_rsdp_data(AcpiRsdpData *data, const char *oem_id, uint8_t revision, + unsigned *rsdt_offset, unsigned *xsdt_offset); +void build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, const char *oem_id, const char *oem_table_id); void diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 1e43cd736d..d4e15980f1 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1589,6 +1589,87 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) g_array_free(tables->vmgenid, mfre); } +/* RSDP */ +void +build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) +{ + bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, tbl, 16, + true /* fseg memory */); + + /* RSDP signature */ + g_array_append_vals(tbl, ACPI_RSDP_SIGNATURE, ACPI_RSDP_SIG_LEN); + + /* Space for the checksum */ + build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); + + /* OEM ID */ + g_array_append_vals(tbl, rsdp_data->oem_id, ACPI_RSDP_OEMID_LEN); + + /* Revision */ + build_append_int_noprefix(tbl, rsdp_data->revision, + ACPI_RSDP_REVISION_LEN); + + /* Space for the RSDT address (32 bit) */ + build_append_int_noprefix(tbl, 0, 4); + + if (rsdp_data->rsdt_tbl_offset) { + /* RSDT address to be filled by guest linker */ + bios_linker_loader_add_pointer(linker, + ACPI_BUILD_RSDP_FILE, 16, 4, + ACPI_BUILD_TABLE_FILE, + *rsdp_data->rsdt_tbl_offset); + } + + /* Checksum to be filled by guest linker */ + bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, + ACPI_RSDP_REV_1_LEN, + ACPI_RSDP_CHECKSUM_OFFSET); + + if (rsdp_data->revision == ACPI_RSDP_REV_1) { + /* Legacy RSDP, we're done */ + return; + } + + /* The RSDP revision is 2 and later, we must have an XSDT pointer */ + g_assert(rsdp_data->xsdt_tbl_offset != NULL); + + /* Length */ + build_append_int_noprefix(tbl, ACPI_RSDP_REV_2_LEN, ACPI_RSDP_LEN_LEN); + + /* XSDT address to be filled by guest linker */ + build_append_int_noprefix(tbl, 0, 8); /* XSDT address (64 bit) */ + bios_linker_loader_add_pointer(linker, + ACPI_BUILD_RSDP_FILE, + ACPI_RSDP_XSDT_OFFSET, 8, + ACPI_BUILD_TABLE_FILE, + *rsdp_data->xsdt_tbl_offset); + + /* Space for the extended checksum */ + build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); + + /* Space for the reserved bytes */ + build_append_int_noprefix(tbl, 0, ACPI_RSDP_RESERVED_LEN); + + /* Extended checksum to be filled by Guest linker */ + bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, + ACPI_RSDP_REV_2_LEN, + ACPI_RSDP_EXT_CHECKSUM_OFFSET); +} + +void +init_rsdp_data(AcpiRsdpData *data, const char *oem_id, uint8_t revision, + unsigned *rsdt_offset, unsigned *xsdt_offset) +{ + /* Caller must provide an OEM ID */ + g_assert(oem_id); + g_assert(strlen(oem_id) >= 6); + + memcpy(data->oem_id, oem_id, 6); + data->revision = revision; + data->rsdt_tbl_offset = rsdt_offset; + data->xsdt_tbl_offset = xsdt_offset; +} + /* Build rsdt table */ void build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 10f8388b63..3fe86fd33e 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -366,87 +366,6 @@ static void acpi_dsdt_add_power_button(Aml *scope) aml_append(scope, dev); } -/* RSDP */ -static void -build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) -{ - bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, tbl, 16, - true /* fseg memory */); - - /* RSDP signature */ - g_array_append_vals(tbl, ACPI_RSDP_SIGNATURE, ACPI_RSDP_SIG_LEN); - - /* Space for the checksum */ - build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); - - /* OEM ID */ - g_array_append_vals(tbl, rsdp_data->oem_id, ACPI_RSDP_OEMID_LEN); - - /* Revision */ - build_append_int_noprefix(tbl, rsdp_data->revision, - ACPI_RSDP_REVISION_LEN); - - /* Space for the RSDT address (32 bit) */ - build_append_int_noprefix(tbl, 0, 4); - - if (rsdp_data->rsdt_tbl_offset) { - /* RSDT address to be filled by guest linker */ - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_RSDP_FILE, 16, 4, - ACPI_BUILD_TABLE_FILE, - *rsdp_data->rsdt_tbl_offset); - } - - /* Checksum to be filled by guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, - ACPI_RSDP_REV_1_LEN, - ACPI_RSDP_CHECKSUM_OFFSET); - - if (rsdp_data->revision == ACPI_RSDP_REV_1) { - /* Legacy RSDP, we're done */ - return; - } - - /* The RSDP revision is 2 and later, we must have an XSDT pointer */ - g_assert(rsdp_data->xsdt_tbl_offset != NULL); - - /* Length */ - build_append_int_noprefix(tbl, ACPI_RSDP_REV_2_LEN, ACPI_RSDP_LEN_LEN); - - /* XSDT address to be filled by guest linker */ - build_append_int_noprefix(tbl, 0, 8); /* XSDT address (64 bit) */ - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_RSDP_FILE, - ACPI_RSDP_XSDT_OFFSET, 8, - ACPI_BUILD_TABLE_FILE, - *rsdp_data->xsdt_tbl_offset); - - /* Space for the extended checksum */ - build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); - - /* Space for the reserved bytes */ - build_append_int_noprefix(tbl, 0, ACPI_RSDP_RESERVED_LEN); - - /* Extended checksum to be filled by Guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, - ACPI_RSDP_REV_2_LEN, - ACPI_RSDP_EXT_CHECKSUM_OFFSET); -} - -static void -init_rsdp_data(AcpiRsdpData *data, const char *oem_id, uint8_t revision, - unsigned *rsdt_offset, unsigned *xsdt_offset) -{ - /* Caller must provide an OEM ID */ - g_assert(oem_id); - g_assert(strlen(oem_id) >= 6); - - memcpy(data->oem_id, oem_id, 6); - data->revision = revision; - data->rsdt_tbl_offset = rsdt_offset; - data->xsdt_tbl_offset = xsdt_offset; -} - static void build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) { diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index fb877648ac..f7ab112599 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2547,35 +2547,6 @@ build_amd_iommu(GArray *table_data, BIOSLinker *linker) "IVRS", table_data->len - iommu_start, 1, NULL, NULL); } -static void -build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt_tbl_offset) -{ - /* AcpiRsdpDescriptor describes revision 2 RSDP table and as result we - * allocate extra 16 bytes for pc/q35 RSDP rev1 as well. Keep extra 16 bytes - * wasted to make sure we won't breake migration for machine types older - * than 2.3 due to size mismatch. - */ - AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp); - unsigned rsdt_pa_size = sizeof(rsdp->rsdt_physical_address); - unsigned rsdt_pa_offset = - (char *)&rsdp->rsdt_physical_address - rsdp_table->data; - - bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, rsdp_table, 16, - true /* fseg memory */); - - memcpy(&rsdp->signature, "RSD PTR ", 8); - memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6); - /* Address to be filled by Guest linker */ - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_RSDP_FILE, rsdt_pa_offset, rsdt_pa_size, - ACPI_BUILD_TABLE_FILE, rsdt_tbl_offset); - - /* Checksum to be filled by Guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, - (char *)rsdp - rsdp_table->data, 20 /* ACPI rev 1.0 RSDP size */, - (char *)&rsdp->checksum - rsdp_table->data); -} - typedef struct AcpiBuildState { /* Copy of table in RAM (for patching). */ @@ -2625,6 +2596,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) GArray *tables_blob = tables->table_data; AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; Object *vmgenid_dev; + AcpiRsdpData rsdp; acpi_get_pm_info(&pm); acpi_get_misc_info(&misc); @@ -2732,7 +2704,9 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) slic_oem.id, slic_oem.table_id); /* RSDP is in FSEG memory, so allocate it separately */ - build_rsdp(tables->rsdp, tables->linker, rsdt); + init_rsdp_data(&rsdp, ACPI_BUILD_APPNAME6, ACPI_RSDP_REV_1, + &rsdt, NULL); + build_rsdp(tables->rsdp, tables->linker, &rsdp); /* We'll expose it all to Guest so we want to reduce * chance of size changes. -- 2.19.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37857) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRJmm-00014E-SC for qemu-devel@nongnu.org; Mon, 26 Nov 2018 11:31:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gRJmj-0004cn-6f for qemu-devel@nongnu.org; Mon, 26 Nov 2018 11:31:00 -0500 From: Samuel Ortiz Date: Mon, 26 Nov 2018 17:29:40 +0100 Message-Id: <20181126162942.21258-8-sameo@linux.intel.com> In-Reply-To: <20181126162942.21258-1-sameo@linux.intel.com> References: <20181126162942.21258-1-sameo@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH 7/8] hw: acpi: Export and share the ARM RSDP build List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Igor Mammedov , qemu-arm@nongnu.org, Shannon Zhao , Laurent Vivier , Richard Henderson , Paolo Bonzini , Ben Warren , Thomas Huth , Marcel Apfelbaum , Eduardo Habkost , "Michael S. Tsirkin" Now that build_rsdp() supports building both legacy and current RSDP tables, we can move it to a generic folder (hw/acpi) and have the i386 ACPI code reuse it in order to reduce code duplication. Signed-off-by: Samuel Ortiz --- include/hw/acpi/aml-build.h | 5 +++ hw/acpi/aml-build.c | 81 +++++++++++++++++++++++++++++++++++++ hw/arm/virt-acpi-build.c | 81 ------------------------------------- hw/i386/acpi-build.c | 34 ++-------------- 4 files changed, 90 insertions(+), 111 deletions(-) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 6c36903c0a..1bbe496e32 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -388,6 +388,11 @@ void acpi_add_table(GArray *table_offsets, GArray *table_data); void acpi_build_tables_init(AcpiBuildTables *tables); void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre); void +build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data); +void +init_rsdp_data(AcpiRsdpData *data, const char *oem_id, uint8_t revision, + unsigned *rsdt_offset, unsigned *xsdt_offset); +void build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, const char *oem_id, const char *oem_table_id); void diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 1e43cd736d..d4e15980f1 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1589,6 +1589,87 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) g_array_free(tables->vmgenid, mfre); } +/* RSDP */ +void +build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) +{ + bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, tbl, 16, + true /* fseg memory */); + + /* RSDP signature */ + g_array_append_vals(tbl, ACPI_RSDP_SIGNATURE, ACPI_RSDP_SIG_LEN); + + /* Space for the checksum */ + build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); + + /* OEM ID */ + g_array_append_vals(tbl, rsdp_data->oem_id, ACPI_RSDP_OEMID_LEN); + + /* Revision */ + build_append_int_noprefix(tbl, rsdp_data->revision, + ACPI_RSDP_REVISION_LEN); + + /* Space for the RSDT address (32 bit) */ + build_append_int_noprefix(tbl, 0, 4); + + if (rsdp_data->rsdt_tbl_offset) { + /* RSDT address to be filled by guest linker */ + bios_linker_loader_add_pointer(linker, + ACPI_BUILD_RSDP_FILE, 16, 4, + ACPI_BUILD_TABLE_FILE, + *rsdp_data->rsdt_tbl_offset); + } + + /* Checksum to be filled by guest linker */ + bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, + ACPI_RSDP_REV_1_LEN, + ACPI_RSDP_CHECKSUM_OFFSET); + + if (rsdp_data->revision == ACPI_RSDP_REV_1) { + /* Legacy RSDP, we're done */ + return; + } + + /* The RSDP revision is 2 and later, we must have an XSDT pointer */ + g_assert(rsdp_data->xsdt_tbl_offset != NULL); + + /* Length */ + build_append_int_noprefix(tbl, ACPI_RSDP_REV_2_LEN, ACPI_RSDP_LEN_LEN); + + /* XSDT address to be filled by guest linker */ + build_append_int_noprefix(tbl, 0, 8); /* XSDT address (64 bit) */ + bios_linker_loader_add_pointer(linker, + ACPI_BUILD_RSDP_FILE, + ACPI_RSDP_XSDT_OFFSET, 8, + ACPI_BUILD_TABLE_FILE, + *rsdp_data->xsdt_tbl_offset); + + /* Space for the extended checksum */ + build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); + + /* Space for the reserved bytes */ + build_append_int_noprefix(tbl, 0, ACPI_RSDP_RESERVED_LEN); + + /* Extended checksum to be filled by Guest linker */ + bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, + ACPI_RSDP_REV_2_LEN, + ACPI_RSDP_EXT_CHECKSUM_OFFSET); +} + +void +init_rsdp_data(AcpiRsdpData *data, const char *oem_id, uint8_t revision, + unsigned *rsdt_offset, unsigned *xsdt_offset) +{ + /* Caller must provide an OEM ID */ + g_assert(oem_id); + g_assert(strlen(oem_id) >= 6); + + memcpy(data->oem_id, oem_id, 6); + data->revision = revision; + data->rsdt_tbl_offset = rsdt_offset; + data->xsdt_tbl_offset = xsdt_offset; +} + /* Build rsdt table */ void build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets, diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 10f8388b63..3fe86fd33e 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -366,87 +366,6 @@ static void acpi_dsdt_add_power_button(Aml *scope) aml_append(scope, dev); } -/* RSDP */ -static void -build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) -{ - bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, tbl, 16, - true /* fseg memory */); - - /* RSDP signature */ - g_array_append_vals(tbl, ACPI_RSDP_SIGNATURE, ACPI_RSDP_SIG_LEN); - - /* Space for the checksum */ - build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); - - /* OEM ID */ - g_array_append_vals(tbl, rsdp_data->oem_id, ACPI_RSDP_OEMID_LEN); - - /* Revision */ - build_append_int_noprefix(tbl, rsdp_data->revision, - ACPI_RSDP_REVISION_LEN); - - /* Space for the RSDT address (32 bit) */ - build_append_int_noprefix(tbl, 0, 4); - - if (rsdp_data->rsdt_tbl_offset) { - /* RSDT address to be filled by guest linker */ - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_RSDP_FILE, 16, 4, - ACPI_BUILD_TABLE_FILE, - *rsdp_data->rsdt_tbl_offset); - } - - /* Checksum to be filled by guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, - ACPI_RSDP_REV_1_LEN, - ACPI_RSDP_CHECKSUM_OFFSET); - - if (rsdp_data->revision == ACPI_RSDP_REV_1) { - /* Legacy RSDP, we're done */ - return; - } - - /* The RSDP revision is 2 and later, we must have an XSDT pointer */ - g_assert(rsdp_data->xsdt_tbl_offset != NULL); - - /* Length */ - build_append_int_noprefix(tbl, ACPI_RSDP_REV_2_LEN, ACPI_RSDP_LEN_LEN); - - /* XSDT address to be filled by guest linker */ - build_append_int_noprefix(tbl, 0, 8); /* XSDT address (64 bit) */ - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_RSDP_FILE, - ACPI_RSDP_XSDT_OFFSET, 8, - ACPI_BUILD_TABLE_FILE, - *rsdp_data->xsdt_tbl_offset); - - /* Space for the extended checksum */ - build_append_int_noprefix(tbl, 0, ACPI_RSDP_CHECKSUM_LEN); - - /* Space for the reserved bytes */ - build_append_int_noprefix(tbl, 0, ACPI_RSDP_RESERVED_LEN); - - /* Extended checksum to be filled by Guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, - ACPI_RSDP_REV_2_LEN, - ACPI_RSDP_EXT_CHECKSUM_OFFSET); -} - -static void -init_rsdp_data(AcpiRsdpData *data, const char *oem_id, uint8_t revision, - unsigned *rsdt_offset, unsigned *xsdt_offset) -{ - /* Caller must provide an OEM ID */ - g_assert(oem_id); - g_assert(strlen(oem_id) >= 6); - - memcpy(data->oem_id, oem_id, 6); - data->revision = revision; - data->rsdt_tbl_offset = rsdt_offset; - data->xsdt_tbl_offset = xsdt_offset; -} - static void build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) { diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index fb877648ac..f7ab112599 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2547,35 +2547,6 @@ build_amd_iommu(GArray *table_data, BIOSLinker *linker) "IVRS", table_data->len - iommu_start, 1, NULL, NULL); } -static void -build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt_tbl_offset) -{ - /* AcpiRsdpDescriptor describes revision 2 RSDP table and as result we - * allocate extra 16 bytes for pc/q35 RSDP rev1 as well. Keep extra 16 bytes - * wasted to make sure we won't breake migration for machine types older - * than 2.3 due to size mismatch. - */ - AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp); - unsigned rsdt_pa_size = sizeof(rsdp->rsdt_physical_address); - unsigned rsdt_pa_offset = - (char *)&rsdp->rsdt_physical_address - rsdp_table->data; - - bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, rsdp_table, 16, - true /* fseg memory */); - - memcpy(&rsdp->signature, "RSD PTR ", 8); - memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6); - /* Address to be filled by Guest linker */ - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_RSDP_FILE, rsdt_pa_offset, rsdt_pa_size, - ACPI_BUILD_TABLE_FILE, rsdt_tbl_offset); - - /* Checksum to be filled by Guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, - (char *)rsdp - rsdp_table->data, 20 /* ACPI rev 1.0 RSDP size */, - (char *)&rsdp->checksum - rsdp_table->data); -} - typedef struct AcpiBuildState { /* Copy of table in RAM (for patching). */ @@ -2625,6 +2596,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) GArray *tables_blob = tables->table_data; AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; Object *vmgenid_dev; + AcpiRsdpData rsdp; acpi_get_pm_info(&pm); acpi_get_misc_info(&misc); @@ -2732,7 +2704,9 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) slic_oem.id, slic_oem.table_id); /* RSDP is in FSEG memory, so allocate it separately */ - build_rsdp(tables->rsdp, tables->linker, rsdt); + init_rsdp_data(&rsdp, ACPI_BUILD_APPNAME6, ACPI_RSDP_REV_1, + &rsdt, NULL); + build_rsdp(tables->rsdp, tables->linker, &rsdp); /* We'll expose it all to Guest so we want to reduce * chance of size changes. -- 2.19.1