return off;
}
-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)
+void acpi_fetch_rsdp_table(QTestState *qts, uint64_t addr, uint8_t *rsdp_table)
{
uint8_t revision;
* actual one.
*/
void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len,
- const uint8_t *addr_ptr, const char *sig,
+ const uint8_t *addr_ptr, int addr_size, const char *sig,
bool verify_checksum)
{
- uint32_t addr, len;
+ uint32_t len;
+ uint64_t addr = 0;
- memcpy(&addr, addr_ptr , sizeof(addr));
- addr = le32_to_cpu(addr);
+ g_assert(addr_size == 4 || addr_size == 8);
+ memcpy(&addr, addr_ptr , addr_size);
+ addr = le64_to_cpu(addr);
qtest_memread(qts, addr + 4, &len, 4); /* Length of ACPI table */
*aml_len = le32_to_cpu(len);
*aml = g_malloc0(*aml_len);
g_assert(!acpi_calc_checksum(*aml, *aml_len));
}
}
+
+#define GUID_SIZE 16
+static const uint8_t AcpiTestSupportGuid[GUID_SIZE] = {
+ 0xb1, 0xa6, 0x87, 0xab,
+ 0x34, 0x20,
+ 0xa0, 0xbd,
+ 0x71, 0xbd, 0x37, 0x50, 0x07, 0x75, 0x77, 0x85 };
+
+typedef struct {
+ uint8_t signature_guid[GUID_SIZE];
+ uint64_t rsdp10;
+ uint64_t rsdp20;
+} __attribute__((packed)) UefiTestSupport;
+
+/* Wait at most 600 seconds (test is slow with TCG and --enable-debug) */
+#define TEST_DELAY (1 * G_USEC_PER_SEC / 10)
+#define TEST_CYCLES MAX((600 * G_USEC_PER_SEC / TEST_DELAY), 1)
+#define MB 0x100000ULL
+uint64_t acpi_find_rsdp_address_uefi(QTestState *qts, uint64_t start,
+ uint64_t size)
+{
+ int i, j;
+ uint8_t data[GUID_SIZE];
+
+ for (i = 0; i < TEST_CYCLES; ++i) {
+ for (j = 0; j < size / MB; j++) {
+ /* look for GUID at every 1Mb block */
+ uint64_t addr = start + j * MB;
+
+ qtest_memread(qts, addr, data, sizeof(data));
+ if (!memcmp(AcpiTestSupportGuid, data, sizeof(data))) {
+ UefiTestSupport ret;
+
+ qtest_memread(qts, addr, &ret, sizeof(ret));
+ ret.rsdp10 = le64_to_cpu(ret.rsdp10);
+ ret.rsdp20 = le64_to_cpu(ret.rsdp20);
+ return ret.rsdp20 ? ret.rsdp20 : ret.rsdp10;
+ }
+ }
+ g_usleep(TEST_DELAY);
+ }
+ g_assert_not_reached();
+ return 0;
+}