ibex/ibex_core_tracing.core
Greg Chadwick 639964514c [RTL] Added seperate ALU for branch target
On branches now compute target same cycle as the condition.  This
removes a stall cycle from all taken conditional branches.
2020-01-31 09:32:20 +00:00

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CAPI=2:
# Copyright lowRISC contributors.
# Licensed under the Apache License, Version 2.0, see LICENSE for details.
# SPDX-License-Identifier: Apache-2.0
name: "lowrisc:ibex:ibex_core_tracing:0.1"
description: "Ibex CPU core with tracing enabled"
filesets:
files_rtl:
depend:
- lowrisc:ibex:ibex_core
- lowrisc:ibex:ibex_tracer
files:
- rtl/ibex_core_tracing.sv
file_type: systemVerilogSource
files_lint:
depend:
- lowrisc:ibex:sim_shared
files_lint_verilator:
files:
- lint/verilator_waiver.vlt: {file_type: vlt}
parameters:
# The tracer uses the RISC-V Formal Interface (RVFI) to collect trace signals.
RVFI:
datatype: bool
paramtype: vlogdefine
default: true
SYNTHESIS:
datatype: bool
paramtype: vlogdefine
RV32E:
datatype: bool
paramtype: vlogparam
RV32M:
datatype: bool
paramtype: vlogparam
MultiplierImplementation:
datatype: str
paramtype: vlogparam
description: "Multiplier implementation. Valid values: fast, slow"
default: fast
BranchTargetALU:
datatype: int
paramtype: vlogparam
default: 0
description: "Enables seperate branch target ALU (increasing branch performance EXPERIMENTAL) [0/1]"
targets:
default:
filesets:
- files_rtl
parameters:
- RVFI=true
lint:
filesets:
# Note on Verilator waivers:
# You *must* include the waiver file first, otherwise only global waivers
# are applied, but not file-specific waivers.
- tool_verilator ? (files_lint_verilator)
- files_rtl
- files_lint
parameters:
- RVFI=true
- SYNTHESIS=true
default_tool: verilator
toplevel: ibex_core_tracing
tools:
verilator:
mode: lint-only
verilator_options:
- "-Wall"