Files
vortex/hw/rtl/libs/VX_index_buffer.sv
Blaise Tine d47cccc157 Vortex 2.0 changes:
+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes
2023-10-19 20:51:22 -07:00

68 lines
1.8 KiB
Systemverilog

// Copyright © 2019-2023
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
`include "VX_platform.vh"
`TRACING_OFF
module VX_index_buffer #(
parameter DATAW = 1,
parameter SIZE = 1,
parameter LUTRAM = 1,
parameter ADDRW = `LOG2UP(SIZE)
) (
input wire clk,
input wire reset,
output wire [ADDRW-1:0] write_addr,
input wire [DATAW-1:0] write_data,
input wire acquire_en,
input wire [ADDRW-1:0] read_addr,
output wire [DATAW-1:0] read_data,
input wire release_en,
output wire empty,
output wire full
);
VX_allocator #(
.SIZE (SIZE)
) allocator (
.clk (clk),
.reset (reset),
.acquire_en (acquire_en),
.acquire_addr (write_addr),
.release_en (release_en),
.release_addr (read_addr),
.empty (empty),
.full (full)
);
VX_dp_ram #(
.DATAW (DATAW),
.SIZE (SIZE),
.LUTRAM (LUTRAM)
) data_table (
.clk (clk),
.read (1'b1),
.write (acquire_en),
`UNUSED_PIN (wren),
.waddr (write_addr),
.wdata (write_data),
.raddr (read_addr),
.rdata (read_data)
);
endmodule
`TRACING_ON