diff options
Diffstat (limited to 'tests/acpi-utils.c')
| -rw-r--r-- | tests/acpi-utils.c | 49 |
1 files changed, 39 insertions, 10 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 "); } |