class debug_module_t : public abstract_device_t
{
public:
- debug_module_t(sim_t *sim, unsigned progbufsize, unsigned max_bus_master_bits);
+ /*
+ * If require_authentication is true, then a debugger must authenticate as
+ * follows:
+ * 1. Read a 32-bit value from authdata:
+ * 2. Write the value that was read back, plus one, to authdata.
+ */
+ debug_module_t(sim_t *sim, unsigned progbufsize, unsigned max_bus_master_bits,
+ bool require_authentication);
~debug_module_t();
void add_device(bus_t *bus);
// Actual size of the program buffer, which is 1 word bigger than we let on
// to implement the implicit ebreak at the end.
unsigned program_buffer_bytes;
- unsigned max_bus_master_bits ;
+ unsigned max_bus_master_bits;
+ bool require_authentication;
static const unsigned debug_data_start = 0x380;
unsigned debug_progbuf_start;
uint32_t sbaddress[4];
uint32_t sbdata[4];
+ uint32_t challenge;
+ const uint32_t secret = 1;
+
processor_t *current_proc() const;
void reset();
bool perform_abstract_command();