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banners=-,-,- X-VirusChecked: Checked Received: (qmail 50373 invoked from network); 16 Aug 2016 10:29:48 -0000 Received: from szxga03-in.huawei.com (HELO szxga03-in.huawei.com) (119.145.14.66) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 16 Aug 2016 10:29:48 -0000 Received: from 172.24.1.47 (EHLO szxeml434-hub.china.huawei.com) ([172.24.1.47]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id CGJ21740; Tue, 16 Aug 2016 18:26:20 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml434-hub.china.huawei.com (10.82.67.225) with Microsoft SMTP Server id 14.3.235.1; Tue, 16 Aug 2016 18:25:36 +0800 From: Shannon Zhao To: Date: Tue, 16 Aug 2016 18:25:03 +0800 Message-ID: <1471343113-10652-7-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1471343113-10652-1-git-send-email-zhaoshenglong@huawei.com> References: <1471343113-10652-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.57B2EA4D.00F4, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: a71ff2676f13a81e4fcd8af80d0b0519 Cc: sstabellini@kernel.org, wei.liu2@citrix.com, ian.jackson@eu.citrix.com, peter.huangpeng@huawei.com, julien.grall@arm.com, shannon.zhao@linaro.org, boris.ostrovsky@oracle.com Subject: [Xen-devel] [PATCH v4 06/16] libxl/arm: Construct ACPI XSDT table X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" From: Shannon Zhao Signed-off-by: Shannon Zhao --- tools/libxl/libxl_arm_acpi.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c index 9432e44..8cd1d9b 100644 --- a/tools/libxl/libxl_arm_acpi.c +++ b/tools/libxl/libxl_arm_acpi.c @@ -146,6 +146,35 @@ static void make_acpi_rsdp(libxl__gc *gc, struct xc_dom_image *dom, acpitables[RSDP].size); } +static void make_acpi_header(struct acpi_table_header *h, const char *sig, + int len, uint8_t rev) +{ + memcpy(h->signature, sig, 4); + h->length = len; + h->revision = rev; + memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6); + memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); + memcpy(h->oem_table_id + 4, sig, 4); + h->oem_revision = 1; + memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4); + h->asl_compiler_revision = 1; + h->checksum = 0; +} + +static void make_acpi_xsdt(libxl__gc *gc, struct xc_dom_image *dom, + struct acpitable acpitables[]) +{ + uint64_t offset = acpitables[XSDT].addr - GUEST_ACPI_BASE; + struct acpi_table_xsdt *xsdt = (void *)dom->acpi_modules[0].data + offset; + + xsdt->table_offset_entry[0] = acpitables[MADT].addr; + xsdt->table_offset_entry[1] = acpitables[GTDT].addr; + xsdt->table_offset_entry[2] = acpitables[FADT].addr; + make_acpi_header(&xsdt->header, "XSDT", acpitables[XSDT].size, 1); + calculate_checksum(xsdt, offsetof(struct acpi_table_header, checksum), + acpitables[XSDT].size); +} + int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info, libxl__domain_build_state *state, struct xc_dom_image *dom) @@ -175,6 +204,7 @@ int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info, goto out; make_acpi_rsdp(gc, dom, acpitables); + make_acpi_xsdt(gc, dom, acpitables); out: return rc;