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acpi-test: signature endian-ness fixes 

acpi table signature is really an ASCII string.
Treat it as such in tests.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2014-03-18 16:42:05 +02:00
parent 2fd71f1be2
commit c225aa3c6d
1 changed files with 33 additions and 15 deletions
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48
tests/acpi-test.c
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@ -23,7 +23,6 @@
#define MACHINE_Q35 "q35"
#define ACPI_REBUILD_EXPECTED_AML "TEST_ACPI_REBUILD_AML"
#define ACPI_SSDT_SIGNATURE 0x54445353 /* SSDT */
/* DSDT and SSDTs format */
typedef struct {
@ -101,6 +100,20 @@ typedef struct {
ACPI_READ_FIELD((table)->asl_compiler_revision, addr); \
} while (0);
#define ACPI_ASSERT_CMP(actual, expected) do { \
uint32_t ACPI_ASSERT_CMP_le = cpu_to_le32(actual); \
char ACPI_ASSERT_CMP_str[5] = {}; \
memcpy(ACPI_ASSERT_CMP_str, &ACPI_ASSERT_CMP_le, 4); \
g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \
} while (0)
#define ACPI_ASSERT_CMP64(actual, expected) do { \
uint64_t ACPI_ASSERT_CMP_le = cpu_to_le64(actual); \
char ACPI_ASSERT_CMP_str[9] = {}; \
memcpy(ACPI_ASSERT_CMP_str, &ACPI_ASSERT_CMP_le, 8); \
g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \
} while (0)
/* Boot sector code: write SIGNATURE into memory,
* then halt.
* Q35 machine requires a minimum 0x7e000 bytes disk.
@ -213,7 +226,7 @@ static void test_acpi_rsdp_table(test_data *data)
uint32_t addr = data->rsdp_addr;
ACPI_READ_FIELD(rsdp_table->signature, addr);
g_assert_cmphex(rsdp_table->signature, ==, ACPI_RSDP_SIGNATURE);
ACPI_ASSERT_CMP64(rsdp_table->signature, "RSD PTR ");
ACPI_READ_FIELD(rsdp_table->checksum, addr);
ACPI_READ_ARRAY(rsdp_table->oem_id, addr);
@ -235,7 +248,7 @@ static void test_acpi_rsdt_table(test_data *data)
/* read the header */
ACPI_READ_TABLE_HEADER(rsdt_table, addr);
g_assert_cmphex(rsdt_table->signature, ==, ACPI_RSDT_SIGNATURE);
ACPI_ASSERT_CMP(rsdt_table->signature, "RSDT");
/* compute the table entries in rsdt */
tables_nr = (rsdt_table->length - sizeof(AcpiRsdtDescriptorRev1)) /
@ -304,7 +317,7 @@ static void test_acpi_fadt_table(test_data *data)
ACPI_READ_FIELD(fadt_table->reserved4b, addr);
ACPI_READ_FIELD(fadt_table->flags, addr);
g_assert_cmphex(fadt_table->signature, ==, ACPI_FACP_SIGNATURE);
ACPI_ASSERT_CMP(fadt_table->signature, "FACP");
g_assert(!acpi_checksum((uint8_t *)fadt_table, fadt_table->length));
}
@ -321,7 +334,7 @@ static void test_acpi_facs_table(test_data *data)
ACPI_READ_FIELD(facs_table->flags, addr);
ACPI_READ_ARRAY(facs_table->resverved3, addr);
g_assert_cmphex(facs_table->signature, ==, ACPI_FACS_SIGNATURE);
ACPI_ASSERT_CMP(facs_table->signature, "FACS");
}
static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr)
@ -348,7 +361,7 @@ static void test_acpi_dsdt_table(test_data *data)
data->tables = g_array_new(false, true, sizeof(AcpiSdtTable));
test_dst_table(&dsdt_table, addr);
g_assert_cmphex(dsdt_table.header.signature, ==, ACPI_DSDT_SIGNATURE);
ACPI_ASSERT_CMP(dsdt_table.header.signature, "DSDT");
/* Place DSDT first */
g_array_append_val(data->tables, dsdt_table);
@ -383,8 +396,9 @@ static void dump_aml_files(test_data *data, bool rebuild)
g_assert(sdt->aml);
if (rebuild) {
uint32_t signature = cpu_to_le32(sdt->header.signature);
aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
(gchar *)&sdt->header.signature);
(gchar *)&signature);
fd = g_open(aml_file, O_WRONLY|O_TRUNC|O_CREAT,
S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH);
} else {
@ -406,9 +420,9 @@ static void dump_aml_files(test_data *data, bool rebuild)
}
}
static bool compare_signature(AcpiSdtTable *sdt, uint32_t signature)
static bool compare_signature(AcpiSdtTable *sdt, const char *signature)
{
return sdt->header.signature == signature;
return !memcmp(&sdt->header.signature, signature, 4);
}
static bool load_asl(GArray *sdts, AcpiSdtTable *sdt)
@ -427,12 +441,12 @@ static bool load_asl(GArray *sdts, AcpiSdtTable *sdt)
/* build command line */
g_string_append_printf(command_line, " -p %s ", sdt->asl_file);
if (compare_signature(sdt, ACPI_DSDT_SIGNATURE) ||
compare_signature(sdt, ACPI_SSDT_SIGNATURE)) {
if (compare_signature(sdt, "DSDT") ||
compare_signature(sdt, "SSDT")) {
for (i = 0; i < sdts->len; ++i) {
temp = &g_array_index(sdts, AcpiSdtTable, i);
if (compare_signature(temp, ACPI_DSDT_SIGNATURE) ||
compare_signature(temp, ACPI_SSDT_SIGNATURE)) {
if (compare_signature(temp, "DSDT") ||
compare_signature(temp, "SSDT")) {
g_string_append_printf(command_line, "-e %s ", temp->aml_file);
}
}
@ -495,13 +509,16 @@ static GArray *load_expected_aml(test_data *data)
GArray *exp_tables = g_array_new(false, true, sizeof(AcpiSdtTable));
for (i = 0; i < data->tables->len; ++i) {
AcpiSdtTable exp_sdt;
uint32_t signature;
sdt = &g_array_index(data->tables, AcpiSdtTable, i);
memset(&exp_sdt, 0, sizeof(exp_sdt));
exp_sdt.header.signature = sdt->header.signature;
signature = cpu_to_le32(sdt->header.signature);
aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
(gchar *)&exp_sdt.header.signature);
(gchar *)&signature);
exp_sdt.aml_file = aml_file;
g_assert(g_file_test(aml_file, G_FILE_TEST_EXISTS));
ret = g_file_get_contents(aml_file, &exp_sdt.aml,
@ -543,12 +560,13 @@ static void test_acpi_asl(test_data *data)
g_assert(!err || exp_err);
if (g_strcmp0(asl->str, exp_asl->str)) {
uint32_t signature = cpu_to_le32(exp_sdt->header.signature);
sdt->tmp_files_retain = true;
exp_sdt->tmp_files_retain = true;
fprintf(stderr,
"acpi-test: Warning! %.4s mismatch. "
"Actual [asl:%s, aml:%s], Expected [asl:%s, aml:%s].\n",
(gchar *)&exp_sdt->header.signature,
(gchar *)&signature,
sdt->asl_file, sdt->aml_file,
exp_sdt->asl_file, exp_sdt->aml_file);
}