Copyright lowRISC contributors. Licensed under the Apache License, Version 2.0, see LICENSE for details. SPDX-License-Identifier: Apache-2.0 *
Generics
Generic name
Type
Value
Description
ImemSizeByte
int
4096
ImemAddrWidth
int
prim_util_pkg::vbits(ImemSizeByte)
Ports
Port name
Direction
Type
Description
clk_i
input
rst_ni
input
imem_req_o
output
Instruction memory (IMEM) interface. Read-only.
imem_addr_o
output
[ImemAddrWidth-1:0]
imem_rdata_i
input
[31:0]
imem_rvalid_i
input
imem_rerror_i
input
insn_fetch_req_valid_i
input
Next instruction selection (to instruction fetch)
insn_fetch_req_addr_i
input
[ImemAddrWidth-1:0]
insn_fetch_resp_valid_o
output
Decoded instruction
insn_fetch_resp_addr_o
output
[ImemAddrWidth-1:0]
insn_fetch_resp_data_o
output
[31:0]
insn_fetch_err_o
output
ECC error seen in instruction fetch
Signals
Name
Type
Description
unused_rst_n
logic
Nothing is reset in this module so rst_ni is unused. Leaving it in so adding resettable flops (or an assertion which will use the reset) is straight forward.