The DBG2 table can be considered a "companion" to SPCR - it points out
debug consoles available in the system.
Signed-off-by: Leif Lindholm <leif.lindh...@linaro.org>
---
include/hw/acpi/acpi-defs.h | 37 +++++++++++++++++++++++++++++++++++--
1 file changed, 35 insertions(+), 2 deletions(-)
diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index 2b431e6..af062a7 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -197,10 +197,43 @@ enum {
};
/*
- * Serial Port Console Redirection Table (SPCR), Rev. 1.02
+ * Debug Port Table 2 (DBG2)
*
* For .interface_type see Debug Port Table 2 (DBG2) serial port
- * subtypes in Table 3, Rev. May 22, 2012
+ * subtypes in Table 3, Rev. Aug 10, 2015
+ *
+ * The specification permits multiple ports with multiple addresses, but this
+ * implementation is limited to one port with one address.
+ */
+struct AcpiDebugPort2 {
+ ACPI_TABLE_HEADER_DEF
+ uint32_t debug_devices_offset;
+ uint32_t number_debug_devices;
+ struct {
+ uint8_t revision;
+ uint16_t length;
+ uint8_t number_generic_address_registers;
+ uint16_t namespace_string_length;
+ uint16_t namespace_string_offset;
+ uint16_t oem_data_length;
+ uint16_t oem_data_offset;
+ uint16_t port_type;
+ uint16_t port_subtype;
+ uint8_t reserved1[2];
+ uint16_t base_address_register_offset;
+ uint16_t address_size_offset;
+ struct AcpiGenericAddress base_address[1];
+ uint32_t address_size[1];
+ uint8_t namespace_string[2];
+ } QEMU_PACKED debug_devices[1];
+} QEMU_PACKED;
+typedef struct AcpiDebugPort2
+ AcpiDebugPort2;
+
+/*
+ * Serial Port Console Redirection Table (SPCR), Rev. 1.03
+ *
+ * .interface_type format same as for DBG2.
*/
struct AcpiSerialPortConsoleRedirection {
ACPI_TABLE_HEADER_DEF
--
2.1.4
