URL
https://opencores.org/ocsvn/async_sdm_noc/async_sdm_noc/trunk
Subversion Repositories async_sdm_noc
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- This comparison shows the changes necessary to convert path
/async_sdm_noc/trunk/common
- from Rev 37 to Rev 47
- ↔ Reverse comparison
Rev 37 → Rev 47
/src/pipen.v
0,0 → 1,43
/* |
Asynchronous SDM NoC |
(C)2011 Wei Song |
Advanced Processor Technologies Group |
Computer Science, the Univ. of Manchester, UK |
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Authors: |
Wei Song wsong83@gmail.com |
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License: LGPL 3.0 or later |
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A single 4-phase 1-of-n pipeline stage. |
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History: |
05/05/2009 Initial version. <wsong83@gmail.com> |
01/06/2011 Clean up for opensource. <wsong83@gmail.com> |
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*/ |
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module pipen(/*AUTOARG*/ |
// Outputs |
d_in_a, d_out, |
// Inputs |
d_in, d_out_a |
); |
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parameter DW = 4; // the wire count, the "n" of the 1-of-n code |
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input [DW-1:0] d_in; |
output d_in_a; |
output [DW-1:0] d_out; |
input d_out_a; |
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genvar i; |
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// the data pipe stage |
generate for (i=0; i<DW; i=i+1) begin:DD |
dc2 DC (.d(d_in[i]), .a(d_out_a), .q(d_out[i])); |
end endgenerate |
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assign d_in_a = |d_out; |
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endmodule // pipen |
/src/comp4.v
0,0 → 1,39
/* |
Asynchronous SDM NoC |
(C)2011 Wei Song |
Advanced Processor Technologies Group |
Computer Science, the Univ. of Manchester, UK |
|
Authors: |
Wei Song wsong83@gmail.com |
|
License: LGPL 3.0 or later |
|
1-of-4 data comparator |
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History: |
11/05/2010 Initial version. <wsong83@gmail.com> |
01/06/2011 Clean up for opensource. <wsong83@gmail.com> |
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*/ |
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module comp4 (/*AUTOARG*/ |
// Outputs |
q, |
// Inputs |
a, b |
); |
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input [3:0] a, b; // the data inputs to be compared |
output [2:0] q; // the comparison result |
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// a > b |
assign q[0] = (a[3]&(|b[2:0])) | (a[2]&(|b[1:0])) | (a[1]&(|b[0:0])); |
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// a < b |
assign q[1] = (a[2]&(|b[3:3])) | (a[1]&(|b[3:2])) | (a[0]&(|b[3:1])); |
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// a = b |
assign q[2] = (a[3]&b[3]) | (a[2]&b[2]) | (a[1]&b[1]) | (a[0]&b[0]); |
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endmodule // comp4 |