4 files changed, 64 insertions, 20 deletions

diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c
index 7b444a7453..17abcc43a4 100644
--- a/tests/acpi-utils.c
+++ b/tests/acpi-utils.c
@@ -51,15 +51,44 @@ uint32_t acpi_find_rsdp_address(QTestState *qts)
     return off;
 }
 
-void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr,
-                           AcpiRsdpDescriptor *rsdp_table)
+uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table)
 {
-    ACPI_READ_FIELD(qts, rsdp_table->signature, addr);
-    ACPI_ASSERT_CMP64(rsdp_table->signature, "RSD PTR ");
-
-    ACPI_READ_FIELD(qts, rsdp_table->checksum, addr);
-    ACPI_READ_ARRAY(qts, rsdp_table->oem_id, addr);
-    ACPI_READ_FIELD(qts, rsdp_table->revision, addr);
-    ACPI_READ_FIELD(qts, rsdp_table->rsdt_physical_address, addr);
-    ACPI_READ_FIELD(qts, rsdp_table->length, addr);
+    uint32_t rsdt_physical_address;
+
+    memcpy(&rsdt_physical_address, &rsdp_table[16 /* RsdtAddress offset */], 4);
+    return le32_to_cpu(rsdt_physical_address);
+}
+
+uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table)
+{
+    uint64_t xsdt_physical_address;
+    uint8_t revision = rsdp_table[15 /* Revision offset */];
+
+    /* We must have revision 2 if we're looking for an XSDT pointer */
+    g_assert(revision == 2);
+
+    memcpy(&xsdt_physical_address, &rsdp_table[24 /* XsdtAddress offset */], 8);
+    return le64_to_cpu(xsdt_physical_address);
+}
+
+void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr, uint8_t *rsdp_table)
+{
+    uint8_t revision;
+
+    /* Read mandatory revision 0 table data (20 bytes) first */
+    qtest_memread(qts, addr, rsdp_table, 20);
+    revision = rsdp_table[15 /* Revision offset */];
+
+    switch (revision) {
+    case 0: /* ACPI 1.0 RSDP */
+        break;
+    case 2: /* ACPI 2.0+ RSDP */
+        /* Read the rest of the RSDP table */
+        qtest_memread(qts, addr + 20, rsdp_table + 20, 16);
+        break;
+    default:
+        g_assert_not_reached();
+    }
+
+    ACPI_ASSERT_CMP64(*((uint64_t *)(rsdp_table)), "RSD PTR ");
 }
diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h
index 791bd5410e..c5b0e12aa2 100644
--- a/tests/acpi-utils.h
+++ b/tests/acpi-utils.h
@@ -74,7 +74,8 @@ typedef struct {
 
 uint8_t acpi_calc_checksum(const uint8_t *data, int len);
 uint32_t acpi_find_rsdp_address(QTestState *qts);
-void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr,
-                           AcpiRsdpDescriptor *rsdp_table);
+uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table);
+uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table);
+void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr, uint8_t *rsdp_table);
 
 #endif  /* TEST_ACPI_UTILS_H */
diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
index 2b6004618f..d455b2abfc 100644
--- a/tests/bios-tables-test.c
+++ b/tests/bios-tables-test.c
@@ -27,7 +27,7 @@ typedef struct {
     const char *machine;
     const char *variant;
     uint32_t rsdp_addr;
-    AcpiRsdpDescriptor rsdp_table;
+    uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */];
     AcpiRsdtDescriptorRev1 rsdt_table;
     uint32_t dsdt_addr;
     uint32_t facs_addr;
@@ -86,19 +86,31 @@ static void test_acpi_rsdp_address(test_data *data)
 
 static void test_acpi_rsdp_table(test_data *data)
 {
-    AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
+    uint8_t *rsdp_table = data->rsdp_table, revision;
     uint32_t addr = data->rsdp_addr;
 
     acpi_parse_rsdp_table(data->qts, addr, rsdp_table);
+    revision = rsdp_table[15 /* Revision offset */];
 
-    /* rsdp checksum is not for the whole table, but for the first 20 bytes */
-    g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20));
+    switch (revision) {
+    case 0: /* ACPI 1.0 RSDP */
+        /* With rev 1, checksum is only for the first 20 bytes */
+        g_assert(!acpi_calc_checksum(rsdp_table,  20));
+        break;
+    case 2: /* ACPI 2.0+ RSDP */
+        /* With revision 2, we have 2 checksums */
+        g_assert(!acpi_calc_checksum(rsdp_table, 20));
+        g_assert(!acpi_calc_checksum(rsdp_table, 36));
+        break;
+    default:
+        g_assert_not_reached();
+    }
 }
 
 static void test_acpi_rsdt_table(test_data *data)
 {
     AcpiRsdtDescriptorRev1 *rsdt_table = &data->rsdt_table;
-    uint32_t addr = le32_to_cpu(data->rsdp_table.rsdt_physical_address);
+    uint32_t addr = acpi_get_rsdt_address(data->rsdp_table);
     uint32_t *tables;
     int tables_nr;
     uint8_t checksum;
diff --git a/tests/vmgenid-test.c b/tests/vmgenid-test.c
index 84449ce8ae..1c1d435bbd 100644
--- a/tests/vmgenid-test.c
+++ b/tests/vmgenid-test.c
@@ -35,7 +35,7 @@ static uint32_t acpi_find_vgia(QTestState *qts)
 {
     uint32_t rsdp_offset;
     uint32_t guid_offset = 0;
-    AcpiRsdpDescriptor rsdp_table;
+    uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */];
     uint32_t rsdt, rsdt_table_length;
     AcpiRsdtDescriptorRev1 rsdt_table;
     size_t tables_nr;
@@ -52,9 +52,11 @@ static uint32_t acpi_find_vgia(QTestState *qts)
 
     g_assert_cmphex(rsdp_offset, <, RSDP_ADDR_INVALID);
 
-    acpi_parse_rsdp_table(qts, rsdp_offset, &rsdp_table);
+    acpi_parse_rsdp_table(qts, rsdp_offset, rsdp_table);
+
+    rsdt = acpi_get_rsdt_address(rsdp_table);
+    g_assert(rsdt);
 
-    rsdt = le32_to_cpu(rsdp_table.rsdt_physical_address);
     /* read the header */
     ACPI_READ_TABLE_HEADER(qts, &rsdt_table, rsdt);
     ACPI_ASSERT_CMP(rsdt_table.signature, "RSDT");