| Line 43... |
Line 43... |
//////////////////////////////////////////////////////////////////////
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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 1.6 2002/02/01 19:56:54 lampret
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// Fixed combinational loops.
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//
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// Revision 1.5 2002/01/28 01:15:59 lampret
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// Revision 1.5 2002/01/28 01:15:59 lampret
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// Changed 'void' nop-ops instead of insn[0] to use insn[16]. Debug unit stalls the tick timer. Prepared new flag generation for add and and insns. Blocked DC/IC while they are turned off. Fixed I/D MMU SPRs layout except WAYs. TODO: smart IC invalidate, l.j 2 and TLB ways.
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// Changed 'void' nop-ops instead of insn[0] to use insn[16]. Debug unit stalls the tick timer. Prepared new flag generation for add and and insns. Blocked DC/IC while they are turned off. Fixed I/D MMU SPRs layout except WAYs. TODO: smart IC invalidate, l.j 2 and TLB ways.
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//
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//
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// Revision 1.4 2002/01/18 14:21:43 lampret
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// Revision 1.4 2002/01/18 14:21:43 lampret
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// Fixed 'the NPC single-step fix'.
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// Fixed 'the NPC single-step fix'.
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| Line 119... |
Line 122... |
// Clk & Rst
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// Clk & Rst
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clk, rst,
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clk, rst,
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// Insn interface
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// Insn interface
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ic_en,
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ic_en,
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icpu_adr_o, icpu_cyc_o, icpu_stb_o, icpu_we_o, icpu_sel_o, icpu_tag_o,
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icpu_adr_o, icpu_cycstb_o, icpu_we_o, icpu_sel_o, icpu_tag_o,
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icpu_dat_i, icpu_ack_i, icpu_rty_i, icpu_err_i, icpu_adr_i, icpu_tag_i,
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icpu_dat_i, icpu_ack_i, icpu_rty_i, icpu_err_i, icpu_adr_i, icpu_tag_i,
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immu_en,
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immu_en,
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// Debug unit
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// Debug unit
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ex_insn, ex_freeze, branch_op,
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ex_insn, ex_freeze, branch_op,
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du_stall, du_addr, du_dat_du, du_read, du_write, du_dsr, du_except, du_dat_cpu,
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du_stall, du_addr, du_dat_du, du_read, du_write, du_dsr, du_except, du_dat_cpu,
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// Data interface
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// Data interface
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dc_en,
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dc_en,
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dcpu_adr_o, dcpu_cyc_o, dcpu_stb_o, dcpu_we_o, dcpu_sel_o, dcpu_tag_o, dcpu_dat_o,
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dcpu_adr_o, dcpu_cycstb_o, dcpu_we_o, dcpu_sel_o, dcpu_tag_o, dcpu_dat_o,
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dcpu_dat_i, dcpu_ack_i, dcpu_rty_i, dcpu_err_i, dcpu_tag_i,
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dcpu_dat_i, dcpu_ack_i, dcpu_rty_i, dcpu_err_i, dcpu_tag_i,
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dmmu_en,
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dmmu_en,
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// Interrupt & tick exceptions
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// Interrupt & tick exceptions
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sig_int, sig_tick,
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sig_int, sig_tick,
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| Line 159... |
Line 162... |
//
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//
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// Insn (IC) interface
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// Insn (IC) interface
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//
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//
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output ic_en;
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output ic_en;
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output [31:0] icpu_adr_o;
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output [31:0] icpu_adr_o;
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output icpu_cyc_o;
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output icpu_cycstb_o;
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output icpu_stb_o;
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output icpu_we_o;
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output icpu_we_o;
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output [3:0] icpu_sel_o;
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output [3:0] icpu_sel_o;
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output [3:0] icpu_tag_o;
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output [3:0] icpu_tag_o;
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input [31:0] icpu_dat_i;
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input [31:0] icpu_dat_i;
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input icpu_ack_i;
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input icpu_ack_i;
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| Line 195... |
Line 197... |
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//
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//
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// Data (DC) interface
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// Data (DC) interface
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//
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//
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output [31:0] dcpu_adr_o;
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output [31:0] dcpu_adr_o;
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output dcpu_cyc_o;
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output dcpu_cycstb_o;
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output dcpu_stb_o;
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output dcpu_we_o;
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output dcpu_we_o;
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output [3:0] dcpu_sel_o;
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output [3:0] dcpu_sel_o;
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output [3:0] dcpu_tag_o;
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output [3:0] dcpu_tag_o;
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output [31:0] dcpu_dat_o;
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output [31:0] dcpu_dat_o;
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input [31:0] dcpu_dat_i;
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input [31:0] dcpu_dat_i;
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| Line 365... |
Line 366... |
//
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//
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or1200_genpc or1200_genpc(
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or1200_genpc or1200_genpc(
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.clk(clk),
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.clk(clk),
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.rst(rst),
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.rst(rst),
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.icpu_adr_o(icpu_adr_o),
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.icpu_adr_o(icpu_adr_o),
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.icpu_cyc_o(icpu_cyc_o),
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.icpu_cycstb_o(icpu_cycstb_o),
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.icpu_stb_o(icpu_stb_o),
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.icpu_sel_o(icpu_sel_o),
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.icpu_sel_o(icpu_sel_o),
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.icpu_tag_o(icpu_tag_o),
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.icpu_tag_o(icpu_tag_o),
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.icpu_ack_i(icpu_ack_i),
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.icpu_ack_i(icpu_ack_i),
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.icpu_rty_i(icpu_rty_i),
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.icpu_rty_i(icpu_rty_i),
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.icpu_err_i(icpu_err_i),
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.icpu_err_i(icpu_err_i),
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| Line 620... |
Line 620... |
.except_dtlbmiss(except_dtlbmiss),
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.except_dtlbmiss(except_dtlbmiss),
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.except_dmmufault(except_dmmufault),
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.except_dmmufault(except_dmmufault),
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.except_dbuserr(except_dbuserr),
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.except_dbuserr(except_dbuserr),
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.dcpu_adr_o(dcpu_adr_o),
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.dcpu_adr_o(dcpu_adr_o),
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.dcpu_cyc_o(dcpu_cyc_o),
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.dcpu_cycstb_o(dcpu_cycstb_o),
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.dcpu_stb_o(dcpu_stb_o),
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.dcpu_we_o(dcpu_we_o),
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.dcpu_we_o(dcpu_we_o),
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.dcpu_sel_o(dcpu_sel_o),
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.dcpu_sel_o(dcpu_sel_o),
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.dcpu_tag_o(dcpu_tag_o),
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.dcpu_tag_o(dcpu_tag_o),
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.dcpu_dat_o(dcpu_dat_o),
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.dcpu_dat_o(dcpu_dat_o),
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.dcpu_dat_i(dcpu_dat_i),
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.dcpu_dat_i(dcpu_dat_i),
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