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Clean up serv_alu interface

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This commit is contained in:
Olof Kindgren 2021-01-06 22:02:13 +01:00
parent ace7b8ef44
commit 0bc19ef13c
1 changed files with 13 additions and 11 deletions
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24
rtl/serv_alu.v
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@ -2,25 +2,28 @@
module serv_alu
(
input wire clk,
//State
input wire i_en,
input wire i_shift_op,
input wire i_cnt0,
input wire i_rs1,
input wire i_rs2,
input wire i_imm,
input wire i_op_b_rs2,
input wire i_buf,
input wire i_cnt_done,
input wire i_shamt_en,
output wire o_cmp,
output wire o_sh_done,
//Control
input wire i_shift_op,
input wire i_op_b_rs2,
input wire i_sub,
input wire [1:0] i_bool_op,
input wire i_cmp_eq,
input wire i_cmp_sig,
output wire o_cmp,
input wire i_shamt_en,
input wire i_sh_right,
input wire i_sh_signed,
output wire o_sh_done,
input wire [3:0] i_rd_sel,
//Data
input wire i_rs1,
input wire i_rs2,
input wire i_imm,
input wire i_buf,
output wire o_rd);
wire result_add;
@ -28,6 +31,7 @@ module serv_alu
wire result_sh;
reg result_lt_r;
reg eq_r;
reg [4:0] shamt;
reg shamt_msb;
@ -60,8 +64,6 @@ module serv_alu
assign {add_cy,result_add} = add_a+add_b+add_cy_r;
reg eq_r;
assign result_eq = !result_add & eq_r;
assign o_cmp = i_cmp_eq ? result_eq : result_lt;