tests: acpi: fetch X_DSDT if pointer to DSDT is 0
that way it would be possible to test a DSDT pointed by 64bit X_DSDT field in FADT. PS: it will allow to enable testing arm/virt board, which sets only newer X_DSDT field. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <1556808723-226478-6-git-send-email-imammedo@redhat.com> Reviewed-by: Wei Yang <richardw.yang@linux.intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -140,6 +140,9 @@ static void test_acpi_fadt_table(test_data *data)
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AcpiSdtTable table = g_array_index(data->tables, typeof(table), 0);
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uint8_t *fadt_aml = table.aml;
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uint32_t fadt_len = table.aml_len;
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uint32_t val;
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int dsdt_offset = 40 /* DSDT */;
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int dsdt_entry_size = 4;
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g_assert(compare_signature(&table, "FACP"));
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@ -148,8 +151,14 @@ static void test_acpi_fadt_table(test_data *data)
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fadt_aml + 36 /* FIRMWARE_CTRL */, 4, "FACS", false);
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g_array_append_val(data->tables, table);
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memcpy(&val, fadt_aml + dsdt_offset, 4);
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val = le32_to_cpu(val);
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if (!val) {
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dsdt_offset = 140 /* X_DSDT */;
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dsdt_entry_size = 8;
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}
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acpi_fetch_table(data->qts, &table.aml, &table.aml_len,
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fadt_aml + 40 /* DSDT */, 4, "DSDT", true);
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fadt_aml + dsdt_offset, dsdt_entry_size, "DSDT", true);
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g_array_append_val(data->tables, table);
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memset(fadt_aml + 36, 0, 4); /* sanitize FIRMWARE_CTRL ptr */
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