| Line 296... |
Line 296... |
wire irq_request;
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wire irq_request;
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wire swi_request;
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wire swi_request;
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wire und_request;
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wire und_request;
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wire dabt_request;
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wire dabt_request;
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reg [1:0] copro_operation_nxt;
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reg [1:0] copro_operation_nxt;
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reg mtrans_r15 = 'd0;
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reg mtrans_r15_nxt;
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reg restore_base_address = 'd0;
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reg restore_base_address = 'd0;
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reg restore_base_address_nxt;
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reg restore_base_address_nxt;
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wire regop_set_flags;
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wire regop_set_flags;
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| Line 726... |
Line 724... |
copro_operation_nxt = 'd0;
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copro_operation_nxt = 'd0;
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// Save an instruction to use later
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// Save an instruction to use later
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saved_current_instruction_wen = 1'd0;
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saved_current_instruction_wen = 1'd0;
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pre_fetch_instruction_wen = 1'd0;
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pre_fetch_instruction_wen = 1'd0;
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mtrans_r15_nxt = mtrans_r15;
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restore_base_address_nxt = restore_base_address;
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restore_base_address_nxt = restore_base_address;
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// default Mux Select values
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// default Mux Select values
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barrel_shift_amount_sel_nxt = 'd0; // don't shift the input
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barrel_shift_amount_sel_nxt = 'd0; // don't shift the input
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barrel_shift_data_sel_nxt = 'd0; // immediate value
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barrel_shift_data_sel_nxt = 'd0; // immediate value
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| Line 947... |
Line 944... |
if ( type == MTRANS )
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if ( type == MTRANS )
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begin
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begin
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saved_current_instruction_wen = 1'd1; // Save the memory access instruction to refer back to later
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saved_current_instruction_wen = 1'd1; // Save the memory access instruction to refer back to later
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decode_daccess_nxt = 1'd1; // valid data access
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decode_daccess_nxt = 1'd1; // valid data access
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alu_out_sel_nxt = 4'd1; // Add
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alu_out_sel_nxt = 4'd1; // Add
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mtrans_r15_nxt = instruction[15]; // load or save r15 ?
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base_address_wen_nxt = 1'd1; // Save the value of the register used for the base address,
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base_address_wen_nxt = 1'd1; // Save the value of the register used for the base address,
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// in case of a data abort, and need to restore the value
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// in case of a data abort, and need to restore the value
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if ( mtrans_num_registers > 4'd1 )
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if ( mtrans_num_registers > 4'd1 )
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begin
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begin
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| Line 1616... |
Line 1612... |
o_copro_crn <= instruction[19:16];
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o_copro_crn <= instruction[19:16];
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o_copro_crm <= instruction[3:0];
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o_copro_crm <= instruction[3:0];
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o_copro_num <= instruction[11:8];
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o_copro_num <= instruction[11:8];
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o_copro_operation <= copro_operation_nxt;
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o_copro_operation <= copro_operation_nxt;
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o_copro_write_data_wen <= copro_write_data_wen_nxt;
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o_copro_write_data_wen <= copro_write_data_wen_nxt;
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mtrans_r15 <= mtrans_r15_nxt;
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restore_base_address <= restore_base_address_nxt;
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restore_base_address <= restore_base_address_nxt;
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control_state <= control_state_nxt;
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control_state <= control_state_nxt;
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end
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end
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