1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
`include "core/uarch.sv"
`include "config.sv"
module core
#(parameter ID=0)
(
input logic clk,
rst_n,
input wire step,
input wire cpu_halt,
output wire cpu_halted,
output wire breakpoint,
output word avl_address,
output logic avl_read,
avl_write,
avl_lock,
input word avl_readdata,
output word avl_writedata,
input logic avl_waitrequest,
input logic[1:0] avl_response,
output logic[3:0] avl_byteenable,
input logic avl_irq
);
generate
if (ID < `CONFIG_CPUS) begin: enable
ptr addr;
word data_wr;
logic start, write;
logic[3:0] data_be;
arm810 cpu
(
.irq(avl_irq),
.halt(cpu_halt),
.halted(cpu_halted),
.bus_addr(addr),
.bus_data_rd(data_rd),
.bus_data_wr(data_wr),
.bus_data_be(data_be),
.bus_ready(ready),
.bus_write(write),
.bus_start(start),
.bus_ex_fail(ex_fail),
.bus_ex_lock(ex_lock),
.*
);
word data_rd;
logic ex_fail, ex_lock, ready;
bus_master master
(
.*
);
end else begin
assign cpu_halted = 1;
assign breakpoint = 0;
assign avl_lock = 0;
assign avl_read = 0;
assign avl_write = 0;
end
endgenerate
endmodule
|