| Line 125... |
Line 125... |
input i_rm_use_read,
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input i_rm_use_read,
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input i_rs_use_read,
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input i_rs_use_read,
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input i_rd_use_read
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input i_rd_use_read
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);
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);
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`include "a25_localparams.v"
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`include "a25_localparams.vh"
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`include "a25_functions.v"
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`include "a25_functions.vh"
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// ========================================================
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// ========================================================
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// Internal signals
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// Internal signals
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// ========================================================
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// ========================================================
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wire [31:0] write_data_nxt;
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wire [31:0] write_data_nxt;
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| Line 238... |
Line 238... |
assign status_bits_flags_nxt = ldm_flags ? read_data_filtered[31:28] :
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assign status_bits_flags_nxt = ldm_flags ? read_data_filtered[31:28] :
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i_status_bits_sel == 3'd0 ? alu_flags :
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i_status_bits_sel == 3'd0 ? alu_flags :
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i_status_bits_sel == 3'd1 ? alu_out [31:28] :
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i_status_bits_sel == 3'd1 ? alu_out [31:28] :
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i_status_bits_sel == 3'd3 ? i_copro_read_data[31:28] :
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i_status_bits_sel == 3'd3 ? i_copro_read_data[31:28] :
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// 4 = update flags after a multiply operation
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// 4 = update flags after a multiply operation
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{ multiply_flags, status_bits_flags[1:0] } ;
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i_status_bits_sel == 3'd4 ? { multiply_flags, status_bits_flags[1:0] } :
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// regops that do not change the overflow flag
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i_status_bits_sel == 3'd5 ? { alu_flags[3:1], status_bits_flags[0] } :
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4'b1111 ;
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assign status_bits_mode_nxt = ldm_status_bits ? read_data_filtered [1:0] :
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assign status_bits_mode_nxt = ldm_status_bits ? read_data_filtered [1:0] :
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i_status_bits_sel == 3'd0 ? i_status_bits_mode :
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i_status_bits_sel == 3'd0 ? i_status_bits_mode :
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i_status_bits_sel == 3'd5 ? i_status_bits_mode :
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i_status_bits_sel == 3'd1 ? alu_out [1:0] :
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i_status_bits_sel == 3'd1 ? alu_out [1:0] :
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i_copro_read_data [1:0] ;
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i_copro_read_data [1:0] ;
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// Used for the Rds output of register_bank - this special version of
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// Used for the Rds output of register_bank - this special version of
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| Line 260... |
Line 264... |
oh_status_bits_mode(status_bits_mode) ;
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oh_status_bits_mode(status_bits_mode) ;
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assign status_bits_irq_mask_nxt = ldm_status_bits ? read_data_filtered [27] :
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assign status_bits_irq_mask_nxt = ldm_status_bits ? read_data_filtered [27] :
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i_status_bits_sel == 3'd0 ? i_status_bits_irq_mask :
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i_status_bits_sel == 3'd0 ? i_status_bits_irq_mask :
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i_status_bits_sel == 3'd5 ? i_status_bits_irq_mask :
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i_status_bits_sel == 3'd1 ? alu_out [27] :
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i_status_bits_sel == 3'd1 ? alu_out [27] :
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i_copro_read_data [27] ;
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i_copro_read_data [27] ;
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assign status_bits_firq_mask_nxt = ldm_status_bits ? read_data_filtered [26] :
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assign status_bits_firq_mask_nxt = ldm_status_bits ? read_data_filtered [26] :
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i_status_bits_sel == 3'd0 ? i_status_bits_firq_mask :
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i_status_bits_sel == 3'd0 ? i_status_bits_firq_mask :
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i_status_bits_sel == 3'd5 ? i_status_bits_firq_mask :
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i_status_bits_sel == 3'd1 ? alu_out [26] :
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i_status_bits_sel == 3'd1 ? alu_out [26] :
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i_copro_read_data [26] ;
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i_copro_read_data [26] ;
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