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code optimization

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munailwaqar 2025-02-19 12:21:06 +05:00 • committed by Munail Waqar
parent 52caa85b8f
commit 16066da8d6
1 changed files with 22 additions and 16 deletions
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38
core/aes_fu.sv
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@ -13,14 +13,10 @@ module aes_fu
// Original instruction bits for aes
input logic [ 5:0] orig_instr_aes,
// Crypto result - ISSUE_STAGE
output logic [ CVA6Cfg.XLEN-1:0] result_o
output logic [ CVA6Cfg.XLEN-1:0] result_o
);
logic aes_valid_op;
// ---------------------
// Input
// ---------------------
assign aes_valid_op = fu_data_i.operation inside { AES32ESI, AES32ESMI, AES64ES, AES64ESM, AES32DSI, AES32DSMI, AES64DS, AES64DSM, AES64IM, AES64KS1I, AES64KS2 };
@ -78,17 +74,27 @@ module aes_fu
result_o = '0;
// AES instructions
if (CVA6Cfg.ZKN && CVA6Cfg.RVB) begin
if (fu_data_i.operation == AES32ESI && CVA6Cfg.IS_XLEN32) result_o = aes32esi_gen;
if (fu_data_i.operation == AES32ESMI && CVA6Cfg.IS_XLEN32) result_o = aes32esmi_gen;
if (fu_data_i.operation == AES64ES && CVA6Cfg.IS_XLEN64) result_o = aes64es_gen;
if (fu_data_i.operation == AES64ESM && CVA6Cfg.IS_XLEN64) result_o = aes64esm_gen;
if (fu_data_i.operation == AES32DSI && CVA6Cfg.IS_XLEN32) result_o = aes32dsi_gen;
if (fu_data_i.operation == AES32DSMI && CVA6Cfg.IS_XLEN32) result_o = aes32dsmi_gen;
if (fu_data_i.operation == AES64DS && CVA6Cfg.IS_XLEN64) result_o = aes64ds_gen;
if (fu_data_i.operation == AES64DSM && CVA6Cfg.IS_XLEN64) result_o = aes64dsm_gen;
if (fu_data_i.operation == AES64IM && CVA6Cfg.IS_XLEN64) result_o = aes64im_gen;
if (fu_data_i.operation == AES64KS1I && CVA6Cfg.IS_XLEN64) result_o = aes64ks1i_gen;
if (fu_data_i.operation == AES64KS2 && CVA6Cfg.IS_XLEN64) result_o = aes64ks2_gen;
if (CVA6Cfg.IS_XLEN32) begin
unique case (fu_data_i.operation)
AES32ESI: result_o = aes32esi_gen;
AES32ESMI: result_o = aes32esmi_gen;
AES32DSI: result_o = aes32dsi_gen;
AES32DSMI: result_o = aes32dsmi_gen;
default: ;
endcase
end
if (CVA6Cfg.IS_XLEN64) begin
unique case (fu_data_i.operation)
AES64ES: result_o = aes64es_gen;
AES64ESM: result_o = aes64esm_gen;
AES64DS: result_o = aes64ds_gen;
AES64DSM: result_o = aes64dsm_gen;
AES64IM: result_o = aes64im_gen;
AES64KS1I: result_o = aes64ks1i_gen;
AES64KS2: result_o = aes64ks2_gen;
default: ;
endcase
end
end
end
endmodule