You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
fbd8854d4c
|
3 years ago | |
|---|---|---|
| .. | ||
| a2wb.v | 3 years ago | |
| arb.v | 3 years ago | |
| cmd_a2l2.v | 3 years ago | |
| cmd_wb.v | 3 years ago | |
| defs.v | 3 years ago | |
| readme.md | 3 years ago | |
| smp.v | 3 years ago | |
readme.md
A2 Interfaces to WB
-
core interfaces
-
A2I/A2O A2L2 bus
-
Single (combined I/D) w/SMP extensions
-
Dual (separate I/D) WB buses w/SMP extensions
-
-
bus interfaces
-
single WB
-
dual WB
-
-
functions
-
queues one or more core commands
-
point of coherncy for larx/stcx, sync, tlbie, etc. for multicores below it (single/mulithread)
-
address compares necessary for ordering/coherency
-
optional mailbox interface for core-core peer and broadcast
-
arbitrates for WB bus(es)
-
gen responses for cores
-
Possible configurations
-
one core, WB: pass-through with SMP functions
-
one core, A2L2: bridge with SMP functions
-
multi-core: identical or mixed WB1/WB2/A2L2, queueing, arbitration, and SMP functions
syntax check
verilator --lint-only a2wb.v -Wno-LITENDIAN