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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.3 2004/01/22 10:16:08 mohor
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// cpu_stall_o activated as soon as bp occurs.
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//
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// Revision 1.2 2004/01/17 17:01:14 mohor
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// Revision 1.2 2004/01/17 17:01:14 mohor
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// Almost finished.
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// Almost finished.
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//
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//
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// Revision 1.1 2004/01/16 14:53:33 mohor
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// Revision 1.1 2004/01/16 14:53:33 mohor
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// *** empty log message ***
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// *** empty log message ***
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dbg_register #(2, 0) CPUOP (.data_in(data_i[2:1]), .data_out(cpu_op_out[2:1]), .write(cpuop_wr), .clk(clk_i), .reset(rst_i));
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dbg_register #(2, 0) CPUOP (.data_in(data_i[2:1]), .data_out(cpu_op_out[2:1]), .write(cpuop_wr), .clk(clk_i), .reset(rst_i));
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dbg_register #(`CPU_NUM, 0) CPUSEL (.data_in(data_i[`CPU_NUM-1:0]), .data_out(cpu_sel_out), .write(cpusel_wr_cpu), .clk(cpu_clk_i), .reset(rst_i)); // cpu_cli_i
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dbg_register #(`CPU_NUM, 0) CPUSEL (.data_in(data_i[`CPU_NUM-1:0]), .data_out(cpu_sel_out), .write(cpusel_wr_cpu), .clk(cpu_clk_i), .reset(rst_i)); // cpu_cli_i
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always @ (posedge clk_i)
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always @ (posedge clk_i or posedge rst_i)
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begin
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if (rst_i)
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data_o <= #1 8'h0;
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else
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begin
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begin
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case (addr_i) // Synthesis parallel_case
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case (addr_i) // Synthesis parallel_case
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`CPU_OP_ADR : data_o <= #1 {5'h0, cpu_op_out[2:1], stall_reg};
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`CPU_OP_ADR : data_o <= #1 {5'h0, cpu_op_out[2:1], stall_reg};
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`CPU_SEL_ADR : data_o <= #1 {{(8-`CPU_NUM){1'b0}}, cpu_sel_out};
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`CPU_SEL_ADR : data_o <= #1 {{(8-`CPU_NUM){1'b0}}, cpu_sel_out};
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default : data_o <= #1 8'h0;
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default : data_o <= #1 8'h0;
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endcase
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endcase
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end
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end
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end
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assign cpu_stall_all = cpu_op_out[2]; // this signal is used to stall all the cpus except the one that is selected in cpusel register
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assign cpu_stall_all = cpu_op_out[2]; // this signal is used to stall all the cpus except the one that is selected in cpusel register
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assign cpu_sel_o = cpu_sel_out;
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assign cpu_sel_o = cpu_sel_out;
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assign cpu_reset = cpu_op_out[1];
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assign cpu_reset = cpu_op_out[1];
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