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remove no use file in demo

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Colin 2022-01-17 11:10:22 +00:00
parent 2b298f0fff
commit 1d8069026b
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demo/helloworld/ahb_sif copy.sv
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@ -1,225 +0,0 @@
// SPDX-License-Identifier: Apache-2.0
// Copyright 2019 Western Digital Corporation or its affiliates.
//
// 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.
//
`ifdef RV_BUILD_AHB_LITE
module ahb_sif (
input logic [63:0] HWDATA,
input logic HCLK,
input logic HSEL,
input logic [3:0] HPROT,
input logic HWRITE,
input logic [1:0] HTRANS,
input logic [2:0] HSIZE,
input logic HREADY,
input logic HRESETn,
input logic [31:0] HADDR,
input logic [2:0] HBURST,
output logic HREADYOUT,
output logic HRESP,
output logic [63:0] HRDATA
);
parameter MAILBOX_ADDR = 32'hD0580000;
logic write;
logic [31:0] laddr, addr;
logic [7:0] strb_lat;
logic [63:0] rdata;
bit [7:0] mem [bit[31:0]];
bit [7:0] wscnt;
int dws = 0;
int iws = 0;
bit dws_rand;
bit iws_rand;
bit ok;
// Wires
wire [63:0] WriteData = HWDATA;
wire [7:0] strb = HSIZE == 3'b000 ? 8'h1 << HADDR[2:0] :
HSIZE == 3'b001 ? 8'h3 << {HADDR[2:1],1'b0} :
HSIZE == 3'b010 ? 8'hf << {HADDR[2],2'b0} : 8'hff;
wire mailbox_write = write && laddr==MAILBOX_ADDR;
initial begin
if ($value$plusargs("iws=%d", iws));
if ($value$plusargs("dws=%d", dws));
dws_rand = dws < 0;
iws_rand = iws < 0;
end
always @ (negedge HCLK ) begin
if(HREADY)
addr = HADDR;
if (write & HREADY) begin
if(strb_lat[7]) mem[{laddr[31:3],3'd7}] = HWDATA[63:56];
if(strb_lat[6]) mem[{laddr[31:3],3'd6}] = HWDATA[55:48];
if(strb_lat[5]) mem[{laddr[31:3],3'd5}] = HWDATA[47:40];
if(strb_lat[4]) mem[{laddr[31:3],3'd4}] = HWDATA[39:32];
if(strb_lat[3]) mem[{laddr[31:3],3'd3}] = HWDATA[31:24];
if(strb_lat[2]) mem[{laddr[31:3],3'd2}] = HWDATA[23:16];
if(strb_lat[1]) mem[{laddr[31:3],3'd1}] = HWDATA[15:08];
if(strb_lat[0]) mem[{laddr[31:3],3'd0}] = HWDATA[07:00];
end
if(HREADY & HSEL & |HTRANS) begin
`ifdef VERILATOR
if(iws_rand & ~HPROT[0])
iws = $random & 15;
if(dws_rand & HPROT[0])
dws = $random & 15;
`else
if(iws_rand & ~HPROT[0])
ok = std::randomize(iws) with {iws dist {0:=10, [1:3]:/2, [4:15]:/1};};
if(dws_rand & HPROT[0])
ok = std::randomize(dws) with {dws dist {0:=10, [1:3]:/2, [4:15]:/1};};
`endif
end
end
assign HRDATA = HREADY ? rdata : ~rdata;
assign HREADYOUT = wscnt == 0;
assign HRESP = 0;
always @(posedge HCLK or negedge HRESETn) begin
if(~HRESETn) begin
laddr <= 32'b0;
write <= 1'b0;
rdata <= '0;
wscnt <= 0;
end
else begin
if(HREADY & HSEL) begin
laddr <= HADDR;
write <= HWRITE & |HTRANS;
if(|HTRANS & ~HWRITE)
rdata <= {mem[{addr[31:3],3'd7}],
mem[{addr[31:3],3'd6}],
mem[{addr[31:3],3'd5}],
mem[{addr[31:3],3'd4}],
mem[{addr[31:3],3'd3}],
mem[{addr[31:3],3'd2}],
mem[{addr[31:3],3'd1}],
mem[{addr[31:3],3'd0}]};
strb_lat <= strb;
end
end
if(HREADY & HSEL & |HTRANS)
wscnt <= HPROT[0] ? dws[7:0] : iws[7:0];
else if(wscnt != 0)
wscnt <= wscnt-1;
end
endmodule
`endif
`ifdef RV_BUILD_AXI4
module axi_slv #(TAGW=1) (
input aclk,
input rst_l,
input arvalid,
output reg arready,
input [31:0] araddr,
input [TAGW-1:0] arid,
input [7:0] arlen,
input [1:0] arburst,
input [2:0] arsize,
output reg rvalid,
input rready,
output reg [63:0] rdata,
output reg [1:0] rresp,
output reg [TAGW-1:0] rid,
output rlast,
input awvalid,
output awready,
input [31:0] awaddr,
input [TAGW-1:0] awid,
input [7:0] awlen,
input [1:0] awburst,
input [2:0] awsize,
input [63:0] wdata,
input [7:0] wstrb,
input wvalid,
output wready,
output reg bvalid,
input bready,
output reg [1:0] bresp,
output reg [TAGW-1:0] bid
);
parameter MAILBOX_ADDR = 32'hD0580000;
parameter MEM_SIZE_DW = 8192;
bit [7:0] mem [bit[31:0]];
bit [63:0] memdata;
wire [63:0] WriteData;
wire mailbox_write;
assign mailbox_write = awvalid && awaddr==MAILBOX_ADDR && rst_l;
assign WriteData = wdata;
always @ ( posedge aclk or negedge rst_l) begin
if(!rst_l) begin
rvalid <= 0;
bvalid <= 0;
end
else begin
bid <= awid;
rid <= arid;
rvalid <= arvalid;
bvalid <= awvalid;
rdata <= memdata;
end
end
always @ ( negedge aclk) begin
if(arvalid) memdata <= {mem[araddr+7], mem[araddr+6], mem[araddr+5], mem[araddr+4],
mem[araddr+3], mem[araddr+2], mem[araddr+1], mem[araddr]};
if(awvalid) begin
if(wstrb[7]) mem[awaddr+7] = wdata[63:56];
if(wstrb[6]) mem[awaddr+6] = wdata[55:48];
if(wstrb[5]) mem[awaddr+5] = wdata[47:40];
if(wstrb[4]) mem[awaddr+4] = wdata[39:32];
if(wstrb[3]) mem[awaddr+3] = wdata[31:24];
if(wstrb[2]) mem[awaddr+2] = wdata[23:16];
if(wstrb[1]) mem[awaddr+1] = wdata[15:08];
if(wstrb[0]) mem[awaddr+0] = wdata[07:00];
end
end
assign arready = 1'b1;
assign awready = 1'b1;
assign wready = 1'b1;
assign rresp = 2'b0;
assign bresp = 2'b0;
assign rlast = 1'b1;
endmodule
`endif

1
demo/helloworld/flist
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@ -1,4 +1,3 @@
+incdir+$RV_ROOT/testbench
$RV_ROOT/design/swerv_wrapper.sv
$RV_ROOT/design/mem.sv
$RV_ROOT/design/pic_ctrl.sv