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Wed, 28 Sep 2016 18:19:39 -0700 (PDT) Received: from HZA160860128-A.china.huawei.com ([67.238.99.186]) by smtp.gmail.com with ESMTPSA id wd7sm15228744pab.2.2016.09.28.18.19.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 28 Sep 2016 18:19:38 -0700 (PDT) From: Shannon Zhao To: xen-devel@lists.xen.org Date: Wed, 28 Sep 2016 18:18:52 -0700 Message-Id: <20160929011902.7784-7-shannon.zhao@linaro.org> X-Mailer: git-send-email 2.10.0.windows.1 In-Reply-To: <20160929011902.7784-1-shannon.zhao@linaro.org> References: <20160929011902.7784-1-shannon.zhao@linaro.org> Cc: sstabellini@kernel.org, wei.liu2@citrix.com, ian.jackson@eu.citrix.com, julien.grall@arm.com, Shannon Zhao , zhaoshenglong@huawei.com, boris.ostrovsky@oracle.com Subject: [Xen-devel] [PATCH v8 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: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" Signed-off-by: Shannon Zhao Acked-by: Julien Grall Acked-by: Wei Liu --- 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 0512630..ab68bf8 100644 --- a/tools/libxl/libxl_arm_acpi.c +++ b/tools/libxl/libxl_arm_acpi.c @@ -161,6 +161,35 @@ 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, + size_t len, uint8_t rev) +{ + memcpy(h->signature, sig, 4); + h->length = len; + h->revision = rev; + memcpy(h->oem_id, ACPI_OEM_ID, sizeof(h->oem_id)); + memcpy(h->oem_table_id, ACPI_OEM_TABLE_ID, sizeof(h->oem_table_id)); + h->oem_revision = 0; + memcpy(h->asl_compiler_id, ACPI_ASL_COMPILER_ID, + sizeof(h->asl_compiler_id)); + h->asl_compiler_revision = 0; + 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, struct xc_dom_image *dom) { @@ -186,6 +215,7 @@ 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;