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-rw-r--r--tests/bios-tables-test.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
index 86b592c67f..d6ab1218da 100644
--- a/tests/bios-tables-test.c
+++ b/tests/bios-tables-test.c
@@ -107,21 +107,29 @@ static void test_acpi_rsdp_table(test_data *data)
     }
 }
 
-static void test_acpi_rsdt_table(test_data *data)
+static void test_acpi_rxsdt_table(test_data *data)
 {
+    const char *sig = "RSDT";
     AcpiSdtTable rsdt = {};
+    int entry_size = 4;
+    int addr_off = 16 /* RsdtAddress */;
     uint8_t *ent;
 
-    /* read RSDT table */
+    if (data->rsdp_table[15 /* Revision offset */] != 0) {
+        addr_off = 24 /* XsdtAddress */;
+        entry_size = 8;
+        sig = "XSDT";
+    }
+    /* read [RX]SDT table */
     acpi_fetch_table(data->qts, &rsdt.aml, &rsdt.aml_len,
-                     &data->rsdp_table[16 /* RsdtAddress */], 4, "RSDT", true);
+                     &data->rsdp_table[addr_off], entry_size, sig, true);
 
     /* Load all tables and add to test list directly RSDT referenced tables */
-    ACPI_FOREACH_RSDT_ENTRY(rsdt.aml, rsdt.aml_len, ent, 4 /* Entry size */) {
+    ACPI_FOREACH_RSDT_ENTRY(rsdt.aml, rsdt.aml_len, ent, entry_size) {
         AcpiSdtTable ssdt_table = {};
 
         acpi_fetch_table(data->qts, &ssdt_table.aml, &ssdt_table.aml_len, ent,
-                         4, NULL, true);
+                         entry_size, NULL, true);
         /* Add table to ASL test tables list */
         g_array_append_val(data->tables, ssdt_table);
     }
@@ -521,7 +529,7 @@ static void test_acpi_one(const char *params, test_data *data)
     data->tables = g_array_new(false, true, sizeof(AcpiSdtTable));
     test_acpi_rsdp_address(data);
     test_acpi_rsdp_table(data);
-    test_acpi_rsdt_table(data);
+    test_acpi_rxsdt_table(data);
     test_acpi_fadt_table(data);
 
     if (iasl) {