Line 43... |
Line 43... |
o_ext_int,
|
o_ext_int,
|
// Wishbone slave interface for debugging purposes
|
// Wishbone slave interface for debugging purposes
|
i_dbg_cyc, i_dbg_stb, i_dbg_we, i_dbg_addr, i_dbg_data,
|
i_dbg_cyc, i_dbg_stb, i_dbg_we, i_dbg_addr, i_dbg_data,
|
o_dbg_ack, o_dbg_stall, o_dbg_data
|
o_dbg_ack, o_dbg_stall, o_dbg_data
|
`ifdef DEBUG_SCOPE
|
`ifdef DEBUG_SCOPE
|
, o_zip_debug
|
, o_cpu_debug
|
`endif
|
`endif
|
);
|
);
|
parameter RESET_ADDRESS=32'h0100000, ADDRESS_WIDTH=32,
|
parameter RESET_ADDRESS=32'h0100000, ADDRESS_WIDTH=32,
|
LGICACHE=6, START_HALTED=0,
|
LGICACHE=6, START_HALTED=0,
|
AW=ADDRESS_WIDTH;
|
AW=ADDRESS_WIDTH;
|
Line 69... |
Line 69... |
output reg o_dbg_ack;
|
output reg o_dbg_ack;
|
output wire o_dbg_stall;
|
output wire o_dbg_stall;
|
output wire [31:0] o_dbg_data;
|
output wire [31:0] o_dbg_data;
|
//
|
//
|
`ifdef DEBUG_SCOPE
|
`ifdef DEBUG_SCOPE
|
output wire [31:0] o_zip_debug;
|
output wire [31:0] o_cpu_debug;
|
`endif
|
`endif
|
|
|
//
|
//
|
//
|
//
|
//
|
//
|
Line 117... |
Line 117... |
else if ((cmd_step)||(cpu_break))
|
else if ((cmd_step)||(cpu_break))
|
cmd_halt <= 1'b1;
|
cmd_halt <= 1'b1;
|
|
|
initial cmd_clear_pf_cache = 1'b0;
|
initial cmd_clear_pf_cache = 1'b0;
|
always @(posedge i_clk)
|
always @(posedge i_clk)
|
if (i_rst)
|
cmd_clear_pf_cache = (~i_rst)&&(dbg_cmd_write)
|
cmd_clear_pf_cache <= 1'b0;
|
&&((i_dbg_data[11])||(i_dbg_data[6]));
|
else if (dbg_cmd_write)
|
|
cmd_clear_pf_cache <= i_dbg_data[11];
|
|
else
|
|
cmd_clear_pf_cache <= 1'b0;
|
|
//
|
//
|
initial cmd_step = 1'b0;
|
initial cmd_step = 1'b0;
|
always @(posedge i_clk)
|
always @(posedge i_clk)
|
cmd_step <= (dbg_cmd_write)&&(i_dbg_data[8]);
|
cmd_step <= (dbg_cmd_write)&&(i_dbg_data[8]);
|
//
|
//
|
Line 174... |
Line 170... |
cpu_dbg_cc, cpu_break,
|
cpu_dbg_cc, cpu_break,
|
o_wb_cyc, o_wb_stb,
|
o_wb_cyc, o_wb_stb,
|
cpu_lcl_cyc, cpu_lcl_stb,
|
cpu_lcl_cyc, cpu_lcl_stb,
|
o_wb_we, o_wb_addr, o_wb_data,
|
o_wb_we, o_wb_addr, o_wb_data,
|
i_wb_ack, i_wb_stall, i_wb_data,
|
i_wb_ack, i_wb_stall, i_wb_data,
|
(i_wb_err)||((cpu_lcl_cyc)&&(cpu_lcl_stb)),
|
(i_wb_err)||(cpu_lcl_cyc),
|
cpu_op_stall, cpu_pf_stall, cpu_i_count
|
cpu_op_stall, cpu_pf_stall, cpu_i_count
|
`ifdef DEBUG_SCOPE
|
`ifdef DEBUG_SCOPE
|
, o_zip_debug
|
, o_cpu_debug
|
`endif
|
`endif
|
);
|
);
|
|
|
// Return debug response values
|
// Return debug response values
|
assign o_dbg_data = (~i_dbg_addr)?cmd_data :cpu_dbg_data;
|
assign o_dbg_data = (~i_dbg_addr)?cmd_data :cpu_dbg_data;
|
initial o_dbg_ack = 1'b0;
|
initial o_dbg_ack = 1'b0;
|
always @(posedge i_clk)
|
always @(posedge i_clk)
|
o_dbg_ack <= (i_dbg_cyc)&&((~i_dbg_addr)||(~o_dbg_stall));
|
o_dbg_ack <= (i_dbg_cyc)&&((~i_dbg_addr)||(~o_dbg_stall));
|
assign o_dbg_stall=(i_dbg_cyc)&&(cpu_dbg_stall)&&(i_dbg_addr);
|
assign o_dbg_stall= 1'b0; //(i_dbg_cyc)&&(cpu_dbg_stall)&&(i_dbg_addr);
|
|
|
assign o_ext_int = (cmd_halt) && (~i_wb_stall);
|
assign o_ext_int = (cmd_halt) && (~i_wb_stall);
|
|
|
endmodule
|
endmodule
|
|
|
No newline at end of file
|
No newline at end of file
|