diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c index 76fbccfa4b..62771f7608 100644 --- a/tests/bios-tables-test.c +++ b/tests/bios-tables-test.c @@ -18,6 +18,8 @@ #include "libqtest.h" #include "qemu/compiler.h" #include "hw/i386/acpi-defs.h" +#include "hw/i386/smbios.h" +#include "qemu/bitmap.h" #define MACHINE_PC "pc" #define MACHINE_Q35 "q35" @@ -46,6 +48,8 @@ typedef struct { uint32_t *rsdt_tables_addr; int rsdt_tables_nr; GArray *tables; + uint32_t smbios_ep_addr; + struct smbios_entry_point smbios_ep_table; } test_data; #define LOW(x) ((x) & 0xff) @@ -581,6 +585,124 @@ static void test_acpi_asl(test_data *data) free_test_data(&exp_data); } +static void test_smbios_ep_address(test_data *data) +{ + uint32_t off; + + /* find smbios entry point structure */ + for (off = 0xf0000; off < 0x100000; off += 0x10) { + uint8_t sig[] = "_SM_"; + int i; + + for (i = 0; i < sizeof sig - 1; ++i) { + sig[i] = readb(off + i); + } + + if (!memcmp(sig, "_SM_", sizeof sig)) { + break; + } + } + + g_assert_cmphex(off, <, 0x100000); + data->smbios_ep_addr = off; +} + +static void test_smbios_ep_table(test_data *data) +{ + struct smbios_entry_point *ep_table = &data->smbios_ep_table; + uint32_t addr = data->smbios_ep_addr; + + ACPI_READ_ARRAY(ep_table->anchor_string, addr); + g_assert(!memcmp(ep_table->anchor_string, "_SM_", 4)); + ACPI_READ_FIELD(ep_table->checksum, addr); + ACPI_READ_FIELD(ep_table->length, addr); + ACPI_READ_FIELD(ep_table->smbios_major_version, addr); + ACPI_READ_FIELD(ep_table->smbios_minor_version, addr); + ACPI_READ_FIELD(ep_table->max_structure_size, addr); + ACPI_READ_FIELD(ep_table->entry_point_revision, addr); + ACPI_READ_ARRAY(ep_table->formatted_area, addr); + ACPI_READ_ARRAY(ep_table->intermediate_anchor_string, addr); + g_assert(!memcmp(ep_table->intermediate_anchor_string, "_DMI_", 5)); + ACPI_READ_FIELD(ep_table->intermediate_checksum, addr); + ACPI_READ_FIELD(ep_table->structure_table_length, addr); + g_assert_cmpuint(ep_table->structure_table_length, >, 0); + ACPI_READ_FIELD(ep_table->structure_table_address, addr); + ACPI_READ_FIELD(ep_table->number_of_structures, addr); + g_assert_cmpuint(ep_table->number_of_structures, >, 0); + ACPI_READ_FIELD(ep_table->smbios_bcd_revision, addr); + g_assert(!acpi_checksum((uint8_t *)ep_table, sizeof *ep_table)); + g_assert(!acpi_checksum((uint8_t *)ep_table + 0x10, + sizeof *ep_table - 0x10)); +} + +static inline bool smbios_single_instance(uint8_t type) +{ + switch (type) { + case 0: + case 1: + case 2: + case 3: + case 16: + case 32: + case 127: + return true; + default: + return false; + } +} + +static void test_smbios_structs(test_data *data) +{ + DECLARE_BITMAP(struct_bitmap, SMBIOS_MAX_TYPE+1) = { 0 }; + struct smbios_entry_point *ep_table = &data->smbios_ep_table; + uint32_t addr = ep_table->structure_table_address; + int i, len, max_len = 0; + uint8_t type, prv, crt; + uint8_t required_struct_types[] = {0, 1, 3, 4, 16, 17, 19, 32, 127}; + + /* walk the smbios tables */ + for (i = 0; i < ep_table->number_of_structures; i++) { + + /* grab type and formatted area length from struct header */ + type = readb(addr); + g_assert_cmpuint(type, <=, SMBIOS_MAX_TYPE); + len = readb(addr + 1); + + /* single-instance structs must not have been encountered before */ + if (smbios_single_instance(type)) { + g_assert(!test_bit(type, struct_bitmap)); + } + set_bit(type, struct_bitmap); + + /* seek to end of unformatted string area of this struct ("\0\0") */ + prv = crt = 1; + while (prv || crt) { + prv = crt; + crt = readb(addr + len); + len++; + } + + /* keep track of max. struct size */ + if (max_len < len) { + max_len = len; + g_assert_cmpuint(max_len, <=, ep_table->max_structure_size); + } + + /* start of next structure */ + addr += len; + } + + /* total table length and max struct size must match entry point values */ + g_assert_cmpuint(ep_table->structure_table_length, ==, + addr - ep_table->structure_table_address); + g_assert_cmpuint(ep_table->max_structure_size, ==, max_len); + + /* required struct types must all be present */ + for (i = 0; i < ARRAY_SIZE(required_struct_types); i++) { + g_assert(test_bit(required_struct_types[i], struct_bitmap)); + } +} + static void test_acpi_one(const char *params, test_data *data) { char *args; @@ -633,6 +755,10 @@ static void test_acpi_one(const char *params, test_data *data) } } + test_smbios_ep_address(data); + test_smbios_ep_table(data); + test_smbios_structs(data); + qtest_quit(global_qtest); g_free(args); }