usage: bfas [ options ] file.bfa

general options

• -h help

• –target target

  specify the target (obsolete as target is generally specified in the .bfa file)

• -Werror

  treat warnings as errors

options for controlling output

• -a

• –allpipes

  Generate a binary that has explicit writes for all pipes, rather than just one

• -s
• –singlepipe
• –pipe*N*
• -G

• –gen_json

  Generate .cfg.json files instead of binary

• –no-bin
• –num-stages-override*N*

• -M

  Attempt to match glass bit-for-bit

• -o directory

  Generate output in the specified directory rather than in the current working dir

options for controling cfg details

• -C condense json by stripping out unset subtrees (default)

• –disable-egress-latency-padding

  Disable the padding of egress latency to avoid tofino1 TM overrun bus

• –disable-longbranch

• –enable-longbranch

  Disable or enable support for long branches

• –disable-tof2lab44-workaround
• –high_availability_disabled
• –multi-parsers
• –no-condense

• –noop-fill-instruction opcode

  Insert instructions (of the form opcode R, R, R) for noop slots in VLIW instructions where the slot is not used by any action in the stage. opcode must be one that is an identity function when applied to two copies of the same value (and, or, alu_a, alu_b, mins, maxs, minu, or maxu)

• -p Disable power gating
• –singlewrite
• –stage_dependency_pattern pattern
• –table-handle-offset*N*

options for logging/debugging

• -l file

  redirect logging output to file

• –log-hashes

• -q

  disable all logging output

• –no-warn

• -T debug spec

  enable logging of specific source files and specific levels

• -v

  increase logging verbosity