2 hw-glue-sequence hw-glue-sequence-1 hw-glue-sequence-2 hw-glue-sequence-8
5 This component family distributes pin signals from a source to a sequence
8 Attributes: num-outputs state-snapshot input
10 Shared library: libglue.la
11 Symbol: glue_component_library
16 * This component resembles a fan-out net in a circuit, or a very fast
18 * The number of outputs is a matter of configuration. For the "-1", "-2",
19 and "-8" family members, the num-outputs is initialized.
23 When the "num-outputs" is written-to, this
24 component adjusts its list of output pins, named "output-0",
25 "output-1", and so on. New ones may be generated or old ones may
29 Each input signal on the "input" pin is forwarded to
30 all external pins connected to the "output-0" pin, then
31 "output-1", and so on, in sequence, for all configured outputs.
34 * This is a functional component.
35 * It supports state save/restore, though state is minimal (the number
37 * It supports triggerpoints by watching the input pin and the
38 "num-outputs" attribute.
39 * It limits recursion on the "input" pin.
40 * It presents attributes in the "pin", "setting", and "watchable" categories.
44 * This component may be used as an initialization sequencer in a
45 scenario with ordering dependencies. See this configuration fragment:
47 new hw-glue-sequence reset-manager
48 new SOME_KIND_OF_CPU cpu
49 new SOME_KIND_OF_LOADER loader
50 set reset-manager num-outputs 3
51 connect-pin reset-manager input <- main running
52 connect-pin reset-manager output-0 -> cpu reset
53 connect-pin reset-manager output-1 -> loader load!
55 * It could be used as a central point to distribute a many-to-many
58 * SID interface reference
61 - input | input | any | data forwarding
62 - output-NNN | output | any | data forwarding
66 - state-snapshot | no category | opaque string | n/a | state save/restore
67 - num-outputs | setting, watchable | small positive number | 0 | configuration
68 - input | pin, watchable | n/a | n/a | data forwarding