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//megafunction wizard: %Altera SOPC Builder%
//GENERATION: STANDARD
//VERSION: WM1.0
//Copyright (C) 1991-2004 Altera Corporation
//Any megafunction design, and related net list (encrypted or decrypted),
//support information, device programming or simulation file, and any other
//associated documentation or information provided by Altera or a partner
//under Altera's Megafunction Partnership Program may be used only to
//program PLD devices (but not masked PLD devices) from Altera. Any other
//use of such megafunction design, net list, support information, device
//programming or simulation file, or any other related documentation or
//information is prohibited for any other purpose, including, but not
//limited to modification, reverse engineering, de-compiling, or use with
//any other silicon devices, unless such use is explicitly licensed under
//a separate agreement with Altera or a megafunction partner. Title to
//the intellectual property, including patents, copyrights, trademarks,
//trade secrets, or maskworks, embodied in any such megafunction design,
//net list, support information, device programming or simulation file, or
//any other related documentation or information provided by Altera or a
//megafunction partner, remains with Altera, the megafunction partner, or
//their respective licensors. No other licenses, including any licenses
//needed under any third party's intellectual property, are provided herein.
//Copying or modifying any file, or portion thereof, to which this notice
//is attached violates this copyright.
// synthesis translate_off
`timescale 1ns / 100ps
// synthesis translate_on
module cpu_0_jtag_debug_module_arbitrator (
// inputs:
clk,
cpu_0_data_master_address_to_slave,
cpu_0_data_master_byteenable,
cpu_0_data_master_debugaccess,
cpu_0_data_master_read,
cpu_0_data_master_write,
cpu_0_data_master_writedata,
cpu_0_instruction_master_address_to_slave,
cpu_0_instruction_master_read,
cpu_0_jtag_debug_module_readdata,
cpu_0_jtag_debug_module_resetrequest,
reset_n,
// outputs:
cpu_0_data_master_granted_cpu_0_jtag_debug_module,
cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module,
cpu_0_data_master_read_data_valid_cpu_0_jtag_debug_module,
cpu_0_data_master_requests_cpu_0_jtag_debug_module,
cpu_0_instruction_master_granted_cpu_0_jtag_debug_module,
cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module,
cpu_0_instruction_master_read_data_valid_cpu_0_jtag_debug_module,
cpu_0_instruction_master_requests_cpu_0_jtag_debug_module,
cpu_0_jtag_debug_module_address,
cpu_0_jtag_debug_module_begintransfer,
cpu_0_jtag_debug_module_byteenable,
cpu_0_jtag_debug_module_chipselect,
cpu_0_jtag_debug_module_debugaccess,
cpu_0_jtag_debug_module_readdata_from_sa,
cpu_0_jtag_debug_module_reset,
cpu_0_jtag_debug_module_reset_n,
cpu_0_jtag_debug_module_resetrequest_from_sa,
cpu_0_jtag_debug_module_write,
cpu_0_jtag_debug_module_writedata,
d1_cpu_0_jtag_debug_module_end_xfer
);
output cpu_0_data_master_granted_cpu_0_jtag_debug_module;
output cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module;
output cpu_0_data_master_read_data_valid_cpu_0_jtag_debug_module;
output cpu_0_data_master_requests_cpu_0_jtag_debug_module;
output cpu_0_instruction_master_granted_cpu_0_jtag_debug_module;
output cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module;
output cpu_0_instruction_master_read_data_valid_cpu_0_jtag_debug_module;
output cpu_0_instruction_master_requests_cpu_0_jtag_debug_module;
output [ 8: 0] cpu_0_jtag_debug_module_address;
output cpu_0_jtag_debug_module_begintransfer;
output [ 3: 0] cpu_0_jtag_debug_module_byteenable;
output cpu_0_jtag_debug_module_chipselect;
output cpu_0_jtag_debug_module_debugaccess;
output [ 31: 0] cpu_0_jtag_debug_module_readdata_from_sa;
output cpu_0_jtag_debug_module_reset;
output cpu_0_jtag_debug_module_reset_n;
output cpu_0_jtag_debug_module_resetrequest_from_sa;
output cpu_0_jtag_debug_module_write;
output [ 31: 0] cpu_0_jtag_debug_module_writedata;
output d1_cpu_0_jtag_debug_module_end_xfer;
input clk;
input [ 21: 0] cpu_0_data_master_address_to_slave;
input [ 3: 0] cpu_0_data_master_byteenable;
input cpu_0_data_master_debugaccess;
input cpu_0_data_master_read;
input cpu_0_data_master_write;
input [ 31: 0] cpu_0_data_master_writedata;
input [ 21: 0] cpu_0_instruction_master_address_to_slave;
input cpu_0_instruction_master_read;
input [ 31: 0] cpu_0_jtag_debug_module_readdata;
input cpu_0_jtag_debug_module_resetrequest;
input reset_n;
wire cpu_0_data_master_arbiterlock;
wire cpu_0_data_master_continuerequest;
wire cpu_0_data_master_granted_cpu_0_jtag_debug_module;
wire cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module;
wire cpu_0_data_master_read_data_valid_cpu_0_jtag_debug_module;
wire cpu_0_data_master_requests_cpu_0_jtag_debug_module;
wire cpu_0_data_master_saved_grant_cpu_0_jtag_debug_module;
wire cpu_0_instruction_master_arbiterlock;
wire cpu_0_instruction_master_continuerequest;
wire cpu_0_instruction_master_granted_cpu_0_jtag_debug_module;
wire cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module;
wire cpu_0_instruction_master_read_data_valid_cpu_0_jtag_debug_module;
wire cpu_0_instruction_master_requests_cpu_0_jtag_debug_module;
wire cpu_0_instruction_master_saved_grant_cpu_0_jtag_debug_module;
wire [ 8: 0] cpu_0_jtag_debug_module_address;
wire cpu_0_jtag_debug_module_allgrants;
wire cpu_0_jtag_debug_module_allow_new_arb_cycle;
wire cpu_0_jtag_debug_module_any_continuerequest;
reg [ 1: 0] cpu_0_jtag_debug_module_arb_addend;
wire cpu_0_jtag_debug_module_arb_counter_enable;
reg [ 1: 0] cpu_0_jtag_debug_module_arb_share_counter;
wire [ 1: 0] cpu_0_jtag_debug_module_arb_share_counter_next_value;
wire [ 1: 0] cpu_0_jtag_debug_module_arb_share_set_values;
wire [ 1: 0] cpu_0_jtag_debug_module_arb_winner;
wire cpu_0_jtag_debug_module_arbitration_holdoff_internal;
wire cpu_0_jtag_debug_module_beginbursttransfer_internal;
wire cpu_0_jtag_debug_module_begins_xfer;
wire cpu_0_jtag_debug_module_begintransfer;
wire [ 3: 0] cpu_0_jtag_debug_module_byteenable;
wire cpu_0_jtag_debug_module_chipselect;
wire [ 3: 0] cpu_0_jtag_debug_module_chosen_master_double_vector;
wire [ 1: 0] cpu_0_jtag_debug_module_chosen_master_rot_left;
wire cpu_0_jtag_debug_module_debugaccess;
wire cpu_0_jtag_debug_module_end_xfer;
wire cpu_0_jtag_debug_module_firsttransfer;
wire [ 1: 0] cpu_0_jtag_debug_module_grant_vector;
wire cpu_0_jtag_debug_module_in_a_read_cycle;
wire cpu_0_jtag_debug_module_in_a_write_cycle;
wire [ 1: 0] cpu_0_jtag_debug_module_master_qreq_vector;
wire [ 31: 0] cpu_0_jtag_debug_module_readdata_from_sa;
wire cpu_0_jtag_debug_module_reset;
wire cpu_0_jtag_debug_module_reset_n;
wire cpu_0_jtag_debug_module_resetrequest_from_sa;
reg [ 1: 0] cpu_0_jtag_debug_module_saved_chosen_master_vector;
reg cpu_0_jtag_debug_module_slavearbiterlockenable;
wire cpu_0_jtag_debug_module_waits_for_read;
wire cpu_0_jtag_debug_module_waits_for_write;
wire cpu_0_jtag_debug_module_write;
wire [ 31: 0] cpu_0_jtag_debug_module_writedata;
reg d1_cpu_0_jtag_debug_module_end_xfer;
reg d1_reasons_to_wait;
wire in_a_read_cycle;
wire in_a_write_cycle;
reg last_cycle_cpu_0_data_master_granted_slave_cpu_0_jtag_debug_module;
reg last_cycle_cpu_0_instruction_master_granted_slave_cpu_0_jtag_debug_module;
wire wait_for_cpu_0_jtag_debug_module_counter;
always @(posedge clk or negedge reset_n)
begin
if (reset_n == 0)
d1_reasons_to_wait <= 0;
else if (1)
d1_reasons_to_wait <= ~cpu_0_jtag_debug_module_end_xfer;
end
assign cpu_0_jtag_debug_module_begins_xfer = ~d1_reasons_to_wait & ((cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module | cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module));
assign cpu_0_data_master_requests_cpu_0_jtag_debug_module = ({cpu_0_data_master_address_to_slave[21 : 11] , 11'b0} == 22'h201000) & (cpu_0_data_master_read | cpu_0_data_master_write);
//assign cpu_0_jtag_debug_module_readdata_from_sa = cpu_0_jtag_debug_module_readdata so that symbol knows where to group signals which may go to master only, which is an e_assign
assign cpu_0_jtag_debug_module_readdata_from_sa = cpu_0_jtag_debug_module_readdata;
//cpu_0_jtag_debug_module_arb_share_counter set values, which is an e_mux
assign cpu_0_jtag_debug_module_arb_share_set_values = 1;
//cpu_0_jtag_debug_module_arb_share_counter_next_value assignment, which is an e_assign
assign cpu_0_jtag_debug_module_arb_share_counter_next_value = cpu_0_jtag_debug_module_firsttransfer ? (cpu_0_jtag_debug_module_arb_share_set_values - 1) : |cpu_0_jtag_debug_module_arb_share_counter ? (cpu_0_jtag_debug_module_arb_share_counter - 1) : 0;
//cpu_0_jtag_debug_module_allgrants all slave grants, which is an e_mux
assign cpu_0_jtag_debug_module_allgrants = |cpu_0_jtag_debug_module_grant_vector |
|cpu_0_jtag_debug_module_grant_vector |
|cpu_0_jtag_debug_module_grant_vector |
|cpu_0_jtag_debug_module_grant_vector;
//cpu_0_jtag_debug_module_end_xfer assignment, which is an e_assign
assign cpu_0_jtag_debug_module_end_xfer = ~(cpu_0_jtag_debug_module_waits_for_read | cpu_0_jtag_debug_module_waits_for_write);
//cpu_0_jtag_debug_module_arb_share_counter arbitration counter enable, which is an e_assign
assign cpu_0_jtag_debug_module_arb_counter_enable = cpu_0_jtag_debug_module_end_xfer & cpu_0_jtag_debug_module_allgrants;
//cpu_0_jtag_debug_module_arb_share_counter counter, which is an e_register
always @(posedge clk or negedge reset_n)
begin
if (reset_n == 0)
cpu_0_jtag_debug_module_arb_share_counter <= 0;
else if (cpu_0_jtag_debug_module_arb_counter_enable)
cpu_0_jtag_debug_module_arb_share_counter <= cpu_0_jtag_debug_module_arb_share_counter_next_value;
end
//cpu_0_jtag_debug_module_slavearbiterlockenable slave enables arbiterlock, which is an e_register
always @(posedge clk or negedge reset_n)
begin
if (reset_n == 0)
cpu_0_jtag_debug_module_slavearbiterlockenable <= 0;
else if (|cpu_0_jtag_debug_module_master_qreq_vector & cpu_0_jtag_debug_module_end_xfer)
cpu_0_jtag_debug_module_slavearbiterlockenable <= |cpu_0_jtag_debug_module_arb_share_counter_next_value;
end
//cpu_0/data_master cpu_0/jtag_debug_module arbiterlock, which is an e_assign
assign cpu_0_data_master_arbiterlock = cpu_0_jtag_debug_module_slavearbiterlockenable & cpu_0_data_master_continuerequest;
//cpu_0/instruction_master cpu_0/jtag_debug_module arbiterlock, which is an e_assign
assign cpu_0_instruction_master_arbiterlock = cpu_0_jtag_debug_module_slavearbiterlockenable & cpu_0_instruction_master_continuerequest;
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