diff options
Diffstat (limited to 'tests/acpi-utils.c')
| -rw-r--r-- | tests/acpi-utils.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c index 17abcc43a4..cc33b460ab 100644 --- a/tests/acpi-utils.c +++ b/tests/acpi-utils.c @@ -51,14 +51,6 @@ uint32_t acpi_find_rsdp_address(QTestState *qts) return off; } -uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table) -{ - 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; @@ -92,3 +84,30 @@ void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr, uint8_t *rsdp_table) ACPI_ASSERT_CMP64(*((uint64_t *)(rsdp_table)), "RSD PTR "); } + +/** acpi_fetch_table + * load ACPI table at @addr_ptr offset pointer into buffer and return it in + * @aml, its length in @aml_len and check that signature/checksum matches + * actual one. + */ +void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len, + const uint8_t *addr_ptr, const char *sig, + bool verify_checksum) +{ + uint32_t addr, len; + + memcpy(&addr, addr_ptr , sizeof(addr)); + addr = le32_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); + /* get whole table */ + qtest_memread(qts, addr, *aml, *aml_len); + + if (sig) { + ACPI_ASSERT_CMP(**aml, sig); + } + if (verify_checksum) { + g_assert(!acpi_calc_checksum(*aml, *aml_len)); + } +} |