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/* $Id: aeMB2_edk32.v,v 1.7 2007-12-17 12:53:13 sybreon Exp $
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/* $Id: aeMB2_edk32.v,v 1.8 2007-12-18 18:54:36 sybreon Exp $
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**
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**
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** AEMB2 HI-PERFORMANCE CPU
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** AEMB2 HI-PERFORMANCE CPU
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**
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**
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** Copyright (C) 2004-2007 Shawn Tan Ser Ngiap <shawn.tan@aeste.net>
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** Copyright (C) 2004-2007 Shawn Tan Ser Ngiap <shawn.tan@aeste.net>
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**
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**
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.pha_i (pha_i),
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.pha_i (pha_i),
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.clk_i (clk_i),
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.clk_i (clk_i),
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.rst_i (rst_i),
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.rst_i (rst_i),
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.ena_i (ena_i));
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.ena_i (ena_i));
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// synopsys translate_off
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wire [31:0] iwb_adr = {iwb_adr_o, 2'd0};
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wire [31:0] dwb_adr = {dwb_adr_o, 2'd0};
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wire [31:0] wMSR = aslu.wMSR[31:0];
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always @(posedge clk_i) if (ena_i) begin
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$write ("\n", ($stime/10));
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$writeh (" T", pha_i);
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$writeh(" PC=", iwb_adr);
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$writeh ("\t| ");
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case (rOPC_IF)
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6'o00: if (rRD_IF == 0) $write(" "); else $write("ADD");
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6'o01: $write("SUB");
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6'o02: $write("ADDC");
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6'o03: $write("SUBC");
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6'o04: $write("ADDK");
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6'o05: case (rIMM_IF[1:0])
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2'o0: $write("SUBK");
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2'o1: $write("CMP");
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2'o3: $write("CMPU");
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default: $write("XXX");
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endcase // case (rIMM_IF[1:0])
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6'o06: $write("ADDKC");
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6'o07: $write("SUBKC");
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6'o10: $write("ADDI");
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6'o11: $write("SUBI");
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6'o12: $write("ADDIC");
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6'o13: $write("SUBIC");
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6'o14: $write("ADDIK");
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6'o15: $write("SUBIK");
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6'o16: $write("ADDIKC");
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6'o17: $write("SUBIKC");
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6'o20: $write("MUL");
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6'o21: case (rALT_IF[10:9])
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2'o0: $write("BSRL");
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2'o1: $write("BSRA");
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2'o2: $write("BSLL");
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default: $write("XXX");
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endcase // case (rALT_IF[10:9])
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6'o22: $write("IDIV");
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6'o30: $write("MULI");
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6'o31: case (rALT_IF[10:9])
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2'o0: $write("BSRLI");
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2'o1: $write("BSRAI");
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2'o2: $write("BSLLI");
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default: $write("XXX");
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endcase // case (rALT_IF[10:9])
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6'o33: case (rRB_IF[4:2])
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3'o0: $write("GET");
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3'o4: $write("PUT");
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3'o2: $write("NGET");
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3'o6: $write("NPUT");
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3'o1: $write("CGET");
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3'o5: $write("CPUT");
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3'o3: $write("NCGET");
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3'o7: $write("NCPUT");
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endcase // case (rRB_IF[4:2])
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6'o40: $write("OR");
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6'o41: $write("AND");
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6'o42: if (rRD_IF == 0) $write(" "); else $write("XOR");
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6'o43: $write("ANDN");
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6'o44: case (rIMM_IF[6:5])
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2'o0: $write("SRA");
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2'o1: $write("SRC");
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2'o2: $write("SRL");
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2'o3: if (rIMM_IF[0]) $write("SEXT16"); else $write("SEXT8");
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endcase // case (rIMM_IF[6:5])
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6'o45: $write("MOV");
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6'o46: case (rRA_IF[3:2])
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3'o0: $write("BR");
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3'o1: $write("BRL");
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3'o2: $write("BRA");
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3'o3: $write("BRAL");
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endcase // case (rRA_IF[3:2])
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6'o47: case (rRD_IF[2:0])
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3'o0: $write("BEQ");
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3'o1: $write("BNE");
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3'o2: $write("BLT");
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3'o3: $write("BLE");
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3'o4: $write("BGT");
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3'o5: $write("BGE");
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default: $write("XXX");
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endcase // case (rRD_IF[2:0])
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6'o50: $write("ORI");
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6'o51: $write("ANDI");
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6'o52: $write("XORI");
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6'o53: $write("ANDNI");
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6'o54: $write("IMMI");
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6'o55: case (rRD_IF[1:0])
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2'o0: $write("RTSD");
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2'o1: $write("RTID");
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2'o2: $write("RTBD");
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default: $write("XXX");
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endcase // case (rRD_IF[1:0])
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6'o56: case (rRA_IF[3:2])
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3'o0: $write("BRI");
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3'o1: $write("BRLI");
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3'o2: $write("BRAI");
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3'o3: $write("BRALI");
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endcase // case (rRA_IF[3:2])
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6'o57: case (rRD_IF[2:0])
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3'o0: $write("BEQI");
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3'o1: $write("BNEI");
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3'o2: $write("BLTI");
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3'o3: $write("BLEI");
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3'o4: $write("BGTI");
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3'o5: $write("BGEI");
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default: $write("XXX");
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endcase // case (rRD_IF[2:0])
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6'o60: $write("LBU");
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6'o61: $write("LHU");
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6'o62: $write("LW");
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6'o64: $write("SB");
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6'o65: $write("SH");
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6'o66: $write("SW");
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6'o70: $write("LBUI");
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6'o71: $write("LHUI");
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6'o72: $write("LWI");
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6'o74: $write("SBI");
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6'o75: $write("SHI");
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6'o76: $write("SWI");
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default: $write("XXX");
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endcase // case (rOPC_IF)
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case (rOPC_IF[3])
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1'b1: $writeh("\t r",rRD_IF,", r",rRA_IF,", h",rIMM_IF);
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1'b0: $writeh("\t r",rRD_IF,", r",rRA_IF,", r",rRB_IF," ");
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endcase // case (rOPC_IF[3])
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if (bpcu.fHZD)
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$write ("*");
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// ALU
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$write("\t|");
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$writeh(" A=",rOPA_OF);
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$writeh(" B=",rOPB_OF);
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$writeh(" C=",rOPX_OF);
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$writeh(" M=",rOPM_OF);
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$writeh(" MSR=", wMSR," ");
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case (rALU_OF)
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3'o0: $write(" ADD");
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3'o1: $write(" BSF");
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3'o2: $write(" SLM");
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3'o3: $write(" MOV");
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default: $write(" XXX");
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endcase // case (rALU_OF)
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// MA
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$write ("\t| ");
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if (dwb_stb_o)
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$writeh("@",rRES_EX);
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else
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$writeh("=",rRES_EX);
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case (rBRA)
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2'b00: $write(" ");
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2'b01: $write(".");
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2'b10: $write("-");
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2'b11: $write("+");
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endcase // case (rBRA)
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// WRITEBACK
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$write("\t|");
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if (|rRD_MA) begin
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case (rOPD_MA)
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2'o2: begin
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if (rSEL_MA != 4'h0) $writeh("R",rRD_MA,"=RAM(",regf.rREGD,")");
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if (rSEL_MA == 4'h0) $writeh("R",rRD_MA,"=FSL(",regf.rREGD,")");
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end
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2'o1: $writeh("R",rRD_MA,"=LNK(",regf.rREGD,")");
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2'o0: $writeh("R",rRD_MA,"=ALU(",regf.rREGD,")");
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endcase // case (rOPD_MA)
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end
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/*
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// STORE
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if (dwb_stb_o & dwb_wre_o) begin
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$writeh("RAM(", dwb_adr ,")=", dwb_dat_o);
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case (dwb_sel_o)
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4'hF: $write(":L");
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4'h3,4'hC: $write(":W");
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4'h1,4'h2,4'h4,4'h8: $write(":B");
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endcase // case (dwb_sel_o)
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end
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*/
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end // if (ena_i)
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// synopsys translate_on
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endmodule // aeMB2_edk32
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endmodule // aeMB2_edk32
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/* $Log: not supported by cvs2svn $
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/* $Log: not supported by cvs2svn $
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/* Revision 1.7 2007/12/17 12:53:13 sybreon
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/* Changed simulation kernel.
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/*
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/* Revision 1.6 2007/12/16 03:25:22 sybreon
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/* Revision 1.6 2007/12/16 03:25:22 sybreon
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/* Replaced OF/ID blocks with combined block.
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/* Replaced OF/ID blocks with combined block.
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/*
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/*
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/* Revision 1.5 2007/12/13 21:25:41 sybreon
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/* Revision 1.5 2007/12/13 21:25:41 sybreon
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/* Further optimisations (speed + size).
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/* Further optimisations (speed + size).
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