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[/] [openrisc/] [trunk/] [or1200/] [rtl/] [verilog/] [or1200_dmmu_top.v] - Diff between revs 258 and 358

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Rev 258 Rev 358
Line 204... Line 204...
assign dcpu_err_o = miss | fault | qmemdmmu_err_i;
assign dcpu_err_o = miss | fault | qmemdmmu_err_i;
 
 
//
//
// Assert dtlb_done one clock cycle after new address and dtlb_en must be active
// Assert dtlb_done one clock cycle after new address and dtlb_en must be active
//
//
always @(posedge clk or posedge rst)
always @(posedge clk or `OR1200_RST_EVENT rst)
        if (rst)
        if (rst == `OR1200_RST_VALUE)
                dtlb_done <=  1'b0;
                dtlb_done <=  1'b0;
        else if (dtlb_en)
        else if (dtlb_en)
                dtlb_done <=  dcpu_cycstb_i;
                dtlb_done <=  dcpu_cycstb_i;
        else
        else
                dtlb_done <=  1'b0;
                dtlb_done <=  1'b0;
Line 229... Line 229...
 
 
//
//
// Register dcpu_adr_i's VPN for use when DMMU is not enabled but PPN is 
// Register dcpu_adr_i's VPN for use when DMMU is not enabled but PPN is 
// expected to come one clock cycle after offset part.
// expected to come one clock cycle after offset part.
//
//
always @(posedge clk or posedge rst)
always @(posedge clk or `OR1200_RST_EVENT rst)
        if (rst)
        if (rst == `OR1200_RST_VALUE)
                dcpu_vpn_r <=  {31-`OR1200_DMMU_PS{1'b0}};
                dcpu_vpn_r <=  {31-`OR1200_DMMU_PS{1'b0}};
        else
        else
                dcpu_vpn_r <=  dcpu_adr_i[31:`OR1200_DMMU_PS];
                dcpu_vpn_r <=  dcpu_adr_i[31:`OR1200_DMMU_PS];
 
 
//
//

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