@@ -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;