diff options
| -rw-r--r-- | tests/acpi-utils.c | 35 | ||||
| -rw-r--r-- | tests/acpi-utils.h | 23 | ||||
| -rw-r--r-- | tests/bios-tables-test.c | 57 | ||||
| -rw-r--r-- | tests/vmgenid-test.c | 64 |
4 files changed, 69 insertions, 110 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)); + } +} diff --git a/tests/acpi-utils.h b/tests/acpi-utils.h index 1b0e80d45c..1aa00db2b6 100644 --- a/tests/acpi-utils.h +++ b/tests/acpi-utils.h @@ -22,7 +22,7 @@ typedef struct { AcpiTableHeader *header; uint8_t *aml; /* aml bytecode from guest */ }; - gsize aml_len; + uint32_t aml_len; gchar *aml_file; gchar *asl; /* asl code generated from aml */ gsize asl_len; @@ -47,19 +47,6 @@ typedef struct { #define ACPI_READ_ARRAY(qts, arr, addr) \ ACPI_READ_ARRAY_PTR(qts, arr, sizeof(arr) / sizeof(arr[0]), addr) -#define ACPI_READ_TABLE_HEADER(qts, table, addr) \ - do { \ - ACPI_READ_FIELD(qts, (table)->signature, addr); \ - ACPI_READ_FIELD(qts, (table)->length, addr); \ - ACPI_READ_FIELD(qts, (table)->revision, addr); \ - ACPI_READ_FIELD(qts, (table)->checksum, addr); \ - ACPI_READ_ARRAY(qts, (table)->oem_id, addr); \ - ACPI_READ_ARRAY(qts, (table)->oem_table_id, addr); \ - ACPI_READ_FIELD(qts, (table)->oem_revision, addr); \ - ACPI_READ_ARRAY(qts, (table)->asl_compiler_id, addr); \ - ACPI_READ_FIELD(qts, (table)->asl_compiler_revision, addr); \ - } while (0) - #define ACPI_ASSERT_CMP(actual, expected) do { \ char ACPI_ASSERT_CMP_str[5] = {}; \ memcpy(ACPI_ASSERT_CMP_str, &actual, 4); \ @@ -73,11 +60,17 @@ typedef struct { } while (0) +#define ACPI_FOREACH_RSDT_ENTRY(table, table_len, entry_ptr, entry_size) \ + for (entry_ptr = table + 36 /* 1st Entry */; \ + entry_ptr < table + table_len; \ + entry_ptr += entry_size) uint8_t acpi_calc_checksum(const uint8_t *data, int len); uint32_t acpi_find_rsdp_address(QTestState *qts); -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); +void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len, + const uint8_t *addr_ptr, const char *sig, + bool verify_checksum); #endif /* TEST_ACPI_UTILS_H */ diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c index 0f6dd844c5..3f9830fe7f 100644 --- a/tests/bios-tables-test.c +++ b/tests/bios-tables-test.c @@ -72,34 +72,6 @@ static void free_test_data(test_data *data) g_array_free(data->tables, true); } -/** fetch_table - * load ACPI table at @addr_ptr offset pointer into table descriptor - * @sdt_table and check that signature/checksum matches actual one. - */ -static void fetch_table(QTestState *qts, AcpiSdtTable *sdt_table, - uint8_t *addr_ptr, const char *sig, - bool verify_checksum) -{ - uint32_t addr; - - memcpy(&addr, addr_ptr , sizeof(addr)); - addr = le32_to_cpu(addr); - - qtest_memread(qts, addr + 4 /* Length of ACPI table */, - &sdt_table->aml_len, 4); - sdt_table->aml_len = le32_to_cpu(sdt_table->aml_len); - sdt_table->aml = g_malloc0(sdt_table->aml_len); - /* get whole table */ - qtest_memread(qts, addr, sdt_table->aml, sdt_table->aml_len); - - if (sig) { - ACPI_ASSERT_CMP(sdt_table->header->signature, sig); - } - if (verify_checksum) { - g_assert(!acpi_calc_checksum(sdt_table->aml, sdt_table->aml_len)); - } -} - static void test_acpi_rsdp_address(test_data *data) { uint32_t off = acpi_find_rsdp_address(data->qts); @@ -132,23 +104,19 @@ static void test_acpi_rsdp_table(test_data *data) static void test_acpi_rsdt_table(test_data *data) { - const int entry_size = 4 /* 32-bit Entry size */; - const int tables_off = 36 /* 1st Entry */; AcpiSdtTable rsdt = {}; - int i, table_len, table_nr; + uint8_t *ent; - fetch_table(data->qts, &rsdt, &data->rsdp_table[16 /* RsdtAddress */], - "RSDT", true); + /* read RSDT table */ + acpi_fetch_table(data->qts, &rsdt.aml, &rsdt.aml_len, + &data->rsdp_table[16 /* RsdtAddress */], "RSDT", true); /* Load all tables and add to test list directly RSDT referenced tables */ - table_len = le32_to_cpu(rsdt.header->length); - table_nr = (table_len - tables_off) / entry_size; - for (i = 0; i < table_nr; i++) { + ACPI_FOREACH_RSDT_ENTRY(rsdt.aml, rsdt.aml_len, ent, 4 /* Entry size */) { AcpiSdtTable ssdt_table = {}; - fetch_table(data->qts, &ssdt_table, - rsdt.aml + tables_off + i * entry_size, NULL, true); - + acpi_fetch_table(data->qts, &ssdt_table.aml, &ssdt_table.aml_len, ent, + NULL, true); /* Add table to ASL test tables list */ g_array_append_val(data->tables, ssdt_table); } @@ -164,11 +132,12 @@ static void test_acpi_fadt_table(test_data *data) ACPI_ASSERT_CMP(table.header->signature, "FACP"); /* Since DSDT/FACS isn't in RSDT, add them to ASL test list manually */ - fetch_table(data->qts, &table, fadt_aml + 36 /* FIRMWARE_CTRL */, - "FACS", false); + acpi_fetch_table(data->qts, &table.aml, &table.aml_len, + fadt_aml + 36 /* FIRMWARE_CTRL */, "FACS", false); g_array_append_val(data->tables, table); - fetch_table(data->qts, &table, fadt_aml + 40 /* DSDT */, "DSDT", true); + acpi_fetch_table(data->qts, &table.aml, &table.aml_len, + fadt_aml + 40 /* DSDT */, "DSDT", true); g_array_append_val(data->tables, table); } @@ -322,6 +291,7 @@ static GArray *load_expected_aml(test_data *data) AcpiSdtTable *sdt; GError *error = NULL; gboolean ret; + gsize aml_len; GArray *exp_tables = g_array_new(false, true, sizeof(AcpiSdtTable)); if (getenv("V")) { @@ -355,7 +325,8 @@ try_again: fprintf(stderr, "Using expected file '%s'\n", aml_file); } ret = g_file_get_contents(aml_file, (gchar **)&exp_sdt.aml, - &exp_sdt.aml_len, &error); + &aml_len, &error); + exp_sdt.aml_len = aml_len; g_assert(ret); g_assert_no_error(error); g_assert(exp_sdt.aml); diff --git a/tests/vmgenid-test.c b/tests/vmgenid-test.c index 1c1d435bbd..52cdd83ec0 100644 --- a/tests/vmgenid-test.c +++ b/tests/vmgenid-test.c @@ -23,26 +23,13 @@ */ #define RSDP_ADDR_INVALID 0x100000 /* RSDP must be below this address */ -typedef struct { - AcpiTableHeader header; - gchar name_op; - gchar vgia[4]; - gchar val_op; - uint32_t vgia_val; -} QEMU_PACKED VgidTable; - static uint32_t acpi_find_vgia(QTestState *qts) { uint32_t rsdp_offset; uint32_t guid_offset = 0; uint8_t rsdp_table[36 /* ACPI 2.0+ RSDP size */]; - uint32_t rsdt, rsdt_table_length; - AcpiRsdtDescriptorRev1 rsdt_table; - size_t tables_nr; - uint32_t *tables; - AcpiTableHeader ssdt_table; - VgidTable vgid_table; - int i; + uint32_t rsdt_len, table_length; + uint8_t *rsdt, *ent; /* Wait for guest firmware to finish and start the payload. */ boot_sector_test(qts); @@ -52,48 +39,37 @@ 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); - - rsdt = acpi_get_rsdt_address(rsdp_table); - g_assert(rsdt); - /* read the header */ - ACPI_READ_TABLE_HEADER(qts, &rsdt_table, rsdt); - ACPI_ASSERT_CMP(rsdt_table.signature, "RSDT"); - rsdt_table_length = le32_to_cpu(rsdt_table.length); - - /* compute the table entries in rsdt */ - g_assert_cmpint(rsdt_table_length, >, sizeof(AcpiRsdtDescriptorRev1)); - tables_nr = (rsdt_table_length - sizeof(AcpiRsdtDescriptorRev1)) / - sizeof(uint32_t); + acpi_parse_rsdp_table(qts, rsdp_offset, rsdp_table); + acpi_fetch_table(qts, &rsdt, &rsdt_len, &rsdp_table[16 /* RsdtAddress */], + "RSDT", true); - /* get the addresses of the tables pointed by rsdt */ - tables = g_new0(uint32_t, tables_nr); - ACPI_READ_ARRAY_PTR(qts, tables, tables_nr, rsdt); + ACPI_FOREACH_RSDT_ENTRY(rsdt, rsdt_len, ent, 4 /* Entry size */) { + uint8_t *table_aml; - for (i = 0; i < tables_nr; i++) { - uint32_t addr = le32_to_cpu(tables[i]); - ACPI_READ_TABLE_HEADER(qts, &ssdt_table, addr); - if (!strncmp((char *)ssdt_table.oem_table_id, "VMGENID", 7)) { + acpi_fetch_table(qts, &table_aml, &table_length, ent, NULL, true); + if (!memcmp(table_aml + 16 /* OEM Table ID */, "VMGENID", 7)) { + uint32_t vgia_val; + uint8_t *aml = &table_aml[36 /* AML byte-code start */]; /* the first entry in the table should be VGIA * That's all we need */ - ACPI_READ_FIELD(qts, vgid_table.name_op, addr); - g_assert(vgid_table.name_op == 0x08); /* name */ - ACPI_READ_ARRAY(qts, vgid_table.vgia, addr); - g_assert(memcmp(vgid_table.vgia, "VGIA", 4) == 0); - ACPI_READ_FIELD(qts, vgid_table.val_op, addr); - g_assert(vgid_table.val_op == 0x0C); /* dword */ - ACPI_READ_FIELD(qts, vgid_table.vgia_val, addr); + g_assert(aml[0 /* name_op*/] == 0x08); + g_assert(memcmp(&aml[1 /* name */], "VGIA", 4) == 0); + g_assert(aml[5 /* value op */] == 0x0C /* dword */); + memcpy(&vgia_val, &aml[6 /* value */], 4); + /* The GUID is written at a fixed offset into the fw_cfg file * in order to implement the "OVMF SDT Header probe suppressor" * see docs/specs/vmgenid.txt for more details */ - guid_offset = le32_to_cpu(vgid_table.vgia_val) + VMGENID_GUID_OFFSET; + guid_offset = le32_to_cpu(vgia_val) + VMGENID_GUID_OFFSET; + g_free(table_aml); break; } + g_free(table_aml); } - g_free(tables); + g_free(rsdt); return guid_offset; } |