| Line 147... |
Line 147... |
wire [31:0] interrupt_vector;
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wire [31:0] interrupt_vector;
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wire [7:0] shift_amount;
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wire [7:0] shift_amount;
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wire [31:0] barrel_shift_in;
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wire [31:0] barrel_shift_in;
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wire [31:0] barrel_shift_out;
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wire [31:0] barrel_shift_out;
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wire barrel_shift_carry;
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wire barrel_shift_carry;
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wire barrel_shift_carry_alu;
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wire [3:0] status_bits_flags_nxt;
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wire [3:0] status_bits_flags_nxt;
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reg [3:0] status_bits_flags = 'd0;
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reg [3:0] status_bits_flags = 'd0;
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wire [1:0] status_bits_mode_nxt;
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wire [1:0] status_bits_mode_nxt;
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wire [1:0] status_bits_mode_nr;
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wire [1:0] status_bits_mode_nr;
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| Line 488... |
Line 489... |
.i_shift_amount ( shift_amount ),
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.i_shift_amount ( shift_amount ),
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.i_shift_imm_zero ( i_shift_imm_zero ),
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.i_shift_imm_zero ( i_shift_imm_zero ),
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.i_function ( i_barrel_shift_function ),
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.i_function ( i_barrel_shift_function ),
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.o_out ( barrel_shift_out ),
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.o_out ( barrel_shift_out ),
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.o_carry_out ( barrel_shift_carry )
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.o_carry_out ( barrel_shift_carry ));
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);
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wire barrel_shift_carry_real;
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assign barrel_shift_carry_real = i_barrel_shift_data_sel == 2'd0 ?
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(i_imm_shift_amount[4:1] == 0 ? status_bits_flags[1] : i_imm32[31]) :
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barrel_shift_carry;
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// ========================================================
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// ========================================================
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// Instantiate ALU
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// Instantiate ALU
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// ========================================================
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// ========================================================
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assign barrel_shift_carry_alu = i_barrel_shift_data_sel == 2'd0 ?
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(i_imm_shift_amount[4:1] == 0 ? status_bits_flags[1] : i_imm32[31]) :
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barrel_shift_carry;
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a23_alu u_alu (
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a23_alu u_alu (
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.i_a_in ( rn ),
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.i_a_in ( rn ),
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.i_b_in ( barrel_shift_out ),
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.i_b_in ( barrel_shift_out ),
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//.i_barrel_shift_carry ( barrel_shift_carry ),
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.i_barrel_shift_carry ( barrel_shift_carry_alu ),
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.i_barrel_shift_carry ( barrel_shift_carry_real ),
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.i_status_bits_carry ( status_bits_flags[1] ),
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.i_status_bits_carry ( status_bits_flags[1] ),
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.i_function ( i_alu_function ),
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.i_function ( i_alu_function ),
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.o_out ( alu_out ),
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.o_out ( alu_out ),
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.o_flags ( alu_flags )
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.o_flags ( alu_flags ));
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);
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// ========================================================
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// ========================================================
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// Instantiate Booth 64-bit Multiplier-Accumulator
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// Instantiate Booth 64-bit Multiplier-Accumulator
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// ========================================================
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// ========================================================
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