FATAL_ERROR:Xst:Portability/export/Port_Main.h:143:1.17

[darshankumar]

hi i am doing aes implementation on fpga .i am not synthesized for the below code.
module test(output[127:0]y,input clk);
reg rst;
reg [383:0] tv[512:0];
reg [383:0] tmp;
reg kld,ld;
reg [127:0] key;
reg [127:0] plain, ciph;
reg [127:0] text_in;
wire [127:0] text_out;
wire [127:0] text_out2;
reg [127:0] text_exp;
wire done, done2;
integer n, error_cnt;
initial
begin
kld = 0;
error_cnt = 0;
repeat(4)
if (clk==1'b1)
begin
tv[0]<= 384'h000000000000000000000000000000009798c4640bad75c7c3227db910174e72a9a1631bf4996954ebc093957b234589;
#1;
kld = 1;
rst <= 0;
assign tmp = tv[0];
assign key = kld ? tmp[383:256] : 128'hx;
assign text_in = kld ? tmp[255:128] : 128'hx;

if(clk==1'b1)

kld = 0;
if(clk==1'b1)
rst <= 1;
repeat(20)

if(text_out != ciph | (|text_out)==1'bx)
begin
error_cnt = error_cnt + 1;
end


if(text_out2 != plain | (|text_out2)==1'bx)
begin
error_cnt = error_cnt + 1;
end
end
repeat(10)

assign plain = tmp[255:128];
assign ciph = tmp[127:0];
assign ld= kld;
end
aes_cipher_top u0(clk,rst,kld,done,key,text_in,text_out);
aes_inv_cipher_top u1(clk,rst,ld,kld,done,key,text_in,text_out);
assign y=plain;
endmodule
these are the warnings getting below .....help me in solving...
Reading design: test.prj

=========================================================================
* HDL Compilation *
=========================================================================
Compiling verilog file "aes.v" in library work
Module <test> compiled
Module <aes_key_expand_128> compiled
Module <aes_sbox> compiled
Module <aes_rcon> compiled
Module <aes_inv_cipher_top> compiled
Module <aes_inv_sbox> compiled
Module <aes_cipher_top> compiled
No errors in compilation
Analysis of file <"test.prj"> succeeded.


=========================================================================
* Design Hierarchy Analysis *
=========================================================================
Analyzing hierarchy for module <test> in library <work>.

Analyzing hierarchy for module <aes_cipher_top> in library <work>.

Analyzing hierarchy for module <aes_inv_cipher_top> in library <work>.

Analyzing hierarchy for module <aes_key_expand_128> in library <work>.

Analyzing hierarchy for module <aes_sbox> in library <work>.

Analyzing hierarchy for module <aes_inv_sbox> in library <work>.

Analyzing hierarchy for module <aes_rcon> in library <work>.


=========================================================================
* HDL Analysis *
=========================================================================
Analyzing top module <test>.
WARNING:Xst:916 - "aes.v" line 22: Delay is ignored for synthesis.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 42: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:916 - "aes.v" line 22: Delay is ignored for synthesis.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 42: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:916 - "aes.v" line 22: Delay is ignored for synthesis.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 42: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:916 - "aes.v" line 22: Delay is ignored for synthesis.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:864 - "aes.v" line 42: Comparisons to 'X' or 'Z' are treated as always false.
WARNING:Xst:2320 - "aes.v" line 31: Value for signal kld in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 44: Value for signal error_cnt in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 25: Value for signal tmp in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 26: Value for signal key in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 27: Value for signal text_in in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 49: Value for signal plain in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 50: Value for signal ciph in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 51: Value for signal ld in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 21: Value for signal tv in initial block is not constant. The initialization will be ignored.
WARNING:Xst:2320 - "aes.v" line 33: Value for signal rst in initial block is not constant. The initialization will be ignored.
FATAL_ERROR:Xstortability/export/Port_Main.h:143:1.17 - This application has discovered an exceptional condition from which it cannot recover. Process will terminate. For technical support on this issue, please open a WebCase with this project attached at https://www.xilinx.com/support.

Process "Synthesis" failed

 

[pratibha m dhotrad]

Hi darshankumar,

Does your code contain any of the cases mentioned in the below link? Just check and correct accordingly. If not, open a Webcase and try to get a workaround for this.
**broken link removed**

Do press the helped me button if this is helpful.

Thanks

 

[vipinlal]

The code has many constructs which are not synthesisable..two of them are:

#1;

if(clk==1'b1)

 

[fpgadsgnr]

First: You can not have procedural assigns (i.e. assign statements) inside the initial block.
Second: initial blocks are ignored for synthesis except a few very specific case in some synthesis tools, your whole code seems inside the initial block.

Coding style needs to be corrected.

Thanks,
Fpgadsgnr

 

[darshankumar]

First: You can not have procedural assigns (i.e. assign statements) inside the initial block.
Second: initial blocks are ignored for synthesis except a few very specific case in some synthesis tools, your whole code seems inside the initial block.

Coding style needs to be corrected.

Thanks,
Fpgadsgnr

thanks for all your suggstions

 

[mrflibble]

The module in the OP looks like a typical testbench. I doubt it will synthesize to what you want...

Also ...

WARNING:Xst:864 - "aes.v" line 36: Comparisons to 'X' or 'Z' are treated as always false.

That leads me to suspect that aes.v is not going to synthesize all that well either.