diff options
Diffstat (limited to 'src/jtag/interface.h')
-rw-r--r-- | src/jtag/interface.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/jtag/interface.h b/src/jtag/interface.h index a264d69f..0d474049 100644 --- a/src/jtag/interface.h +++ b/src/jtag/interface.h @@ -184,11 +184,29 @@ static inline tap_state_t jtag_debug_state_machine(const void *tms_buf, } #endif // _DEBUG_JTAG_IO_ +/** + * Represents a driver for a debugging interface. + * + * @todo Rename; perhaps "debug_driver". This isn't an interface, + * it's a driver! Also, not all drivers support JTAG. + * + * @todo We need a per-instance structure too, and changes to pass + * that structure to the driver. Instances can for example be in + * either SWD or JTAG modes. This will help remove globals, and + * eventually to cope with systems which have more than one such + * debugging interface. + */ struct jtag_interface { /// The name of the JTAG interface driver. char* name; /** + * Bit vector listing capabilities exposed by this driver. + */ + unsigned supported; +#define DEBUG_CAP_TMS_SEQ (1 << 0) + + /** * Execute queued commands. * @returns ERROR_OK on success, or an error code on failure. */ |