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https://opencores.org/ocsvn/thor/thor/trunk
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| Rev 53 |
Rev 55 |
| Line 1112... |
Line 1112... |
// o[63:44] = PTR;
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// o[63:44] = PTR;
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end
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end
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`LUI:
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`LUI:
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begin
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begin
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if (instr[7:6]==2'b01)
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if (instr[7:6]==2'b01)
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o[63:0] = {instr[47:13],30'd0};
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o = {instr[47:13],30'd0};
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else
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else
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o[63:0] = {{15{instr[31]}},instr[31:13],30'd0};
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o = {{15{instr[31]}},instr[31:13],30'd0};
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end
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end
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`ADDI: o[63:0] = a + b;
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`ADDI: o[63:0] = a + b;
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`SLTI: o[63:0] = $signed(a) < $signed(b);
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`SLTI: o[63:0] = $signed(a) < $signed(b);
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`SLTUI: o[63:0] = a < b;
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`SLTUI: o[63:0] = a < b;
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`SGTI: o[63:0] = $signed(a) > $signed(b);
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`SGTI: o[63:0] = $signed(a) > $signed(b);
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| Line 1141... |
Line 1141... |
default: o = a + {b[63:1],1'b0}; // LC / LCU / SC
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default: o = a + {b[63:1],1'b0}; // LC / LCU / SC
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endcase
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endcase
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end
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end
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`LWR,`SWC,`CAS:
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`LWR,`SWC,`CAS:
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begin
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begin
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o[63:0] = a + b;
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o = a + b;
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end
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end
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`LV,`SV: begin
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`LV,`SV: begin
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o[63:0] = a + b + {ven,3'b0};
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o = a + b + {ven,3'b0};
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end
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end
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`CSRRW: case(instr[27:18])
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`CSRRW:
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10'h044: o[63:0] = BIG ? csr | {thrd,24'h0} : 64'hDDDDDDDDDDDDDDDD;
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case(instr[27:18])
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default: o[63:0] = BIG ? csr : 64'hDDDDDDDDDDDDDDDD;
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10'h044: o = BIG ? (csr | {39'd0,thrd,24'h0}) : 64'hDDDDDDDDDDDDDDDD;
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default: o = BIG ? csr : 64'hDDDDDDDDDDDDDDDD;
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endcase
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endcase
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`BITFIELD: o[63:0] = BIG ? bfout : 64'hCCCCCCCCCCCCCCCC;
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`BITFIELD: o = BIG ? bfout : 64'hCCCCCCCCCCCCCCCC;
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default: o[63:0] = 64'hDEADDEADDEADDEAD;
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default: o = 64'hDEADDEADDEADDEAD;
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endcase
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endcase
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end
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end
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always @(posedge clk)
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always @(posedge clk)
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if (ld)
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if (ld)
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