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[/] [s1_core/] [trunk/] [hdl/] [rtl/] [sparc_core/] [lsu_rrobin_picker2.v] - Diff between revs 105 and 113

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Line 16...	Line 16...
`// You should have received a copy of the GNU General Public`	`// You should have received a copy of the GNU General Public`
`// License along with this work; if not, write to the Free Software`	`// License along with this work; if not, write to the Free Software`
`// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.`	`// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.`
`//`	`//`
`// ========== Copyright Header End ============================================`	`// ========== Copyright Header End ============================================`
	`ifdef SIMPLY_RISC_TWEAKS
	`define SIMPLY_RISC_SCANIN .si(0)
	`else
	`define SIMPLY_RISC_SCANIN .si()
	`endif
`////////////////////////////////////////////////////////////////////////`	`////////////////////////////////////////////////////////////////////////`
`/*`	`/*`
`// Description: Round-Robin Picker for 4 eventss.`	`// Description: Round-Robin Picker for 4 eventss.`
`// (see description of picker at the end of this file)`	`// (see description of picker at the end of this file)`
`*/`	`*/`
`////////////////////////////////////////////////////////////////////////`	`////////////////////////////////////////////////////////////////////////`
`// Global header file includes`	`// Global header file includes`
`////////////////////////////////////////////////////////////////////////`	`////////////////////////////////////////////////////////////////////////`
`// system level definition file which contains the/*`	`include "sys.h" // system level definition file which contains the
`/* ========== Copyright Header Begin ==========================================`
`*`
`* OpenSPARC T1 Processor File: sys.h`
`* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.`
`* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.`
`*`
`* The above named program is free software; you can redistribute it and/or`
`* modify it under the terms of the GNU General Public`
`* License version 2 as published by the Free Software Foundation.`
`*`
`* The above named program is distributed in the hope that it will be`
`* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of`
`* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
`* General Public License for more details.`
`*`
`* You should have received a copy of the GNU General Public`
`* License along with this work; if not, write to the Free Software`
`* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.`
`*`
`* ========== Copyright Header End ============================================`
`*/`
`// -- verilog --`
`////////////////////////////////////////////////////////////////////////`
`/*`
`//`
`// Description: Global header file that contain definitions that`
`// are common/shared at the systme level`
`*/`
`////////////////////////////////////////////////////////////////////////`
`//`
`// Setting the time scale`
`// If the timescale changes, JP_TIMESCALE may also have to change.`
`timescale 1ps/1ps

`//`
`// JBUS clock`
`// =========`
`//`



`// Afara Link Defines`
`// ==================`

`// Reliable Link`




`// Afara Link Objects`


`// Afara Link Object Format - Reliable Link`










`// Afara Link Object Format - Congestion`











`// Afara Link Object Format - Acknowledge`











`// Afara Link Object Format - Request`

















`// Afara Link Object Format - Message`



`// Acknowledge Types`




`// Request Types`





`// Afara Link Frame`



`//`
`// UCB Packet Type`
`// ===============`
`//`

















`//`
`// UCB Data Packet Format`
`// ======================`
`//`






























`// Size encoding for the UCB_SIZE_HI/LO field`
`// 000 - byte`
`// 001 - half-word`
`// 010 - word`
`// 011 - double-word`
`// 111 - quad-word`







`//`
`// UCB Interrupt Packet Format`
`// ===========================`
`//`










//`define UCB_THR_HI 9 // (6) cpu/thread ID shared with
//`define UCB_THR_LO 4 data packet format
//`define UCB_PKT_HI 3 // (4) packet type shared with
//`define UCB_PKT_LO 0 // data packet format







`//`
`// FCRAM Bus Widths`
`// ================`
`//`






`//`
`// ENET clock periods`
`// ==================`
`//`




`//`
`// JBus Bridge defines`
`// =================`
`//`











`//`
`// PCI Device Address Configuration`
`// ================================`
`//`























`// time scale definition`	`// time scale definition`

`////////////////////////////////////////////////////////////////////////`	`////////////////////////////////////////////////////////////////////////`
`// Local header file includes / local defines`	`// Local header file includes / local defines`
`////////////////////////////////////////////////////////////////////////`	`////////////////////////////////////////////////////////////////////////`
Line 350...	Line 78...



`dffrl_async rstff(.din (grst_l),`	`dffrl_async rstff(.din (grst_l),`
`.q (dbb_reset_l),`	`.q (dbb_reset_l),`
`.clk (clk), .se(se), .si(), .so(),`	.clk (clk), .se(se), `SIMPLY_RISC_SCANIN, .so(),
`.rst_l (arst_l));`	`.rst_l (arst_l));`

`assign reset = ~dbb_reset_l;`	`assign reset = ~dbb_reset_l;`
`assign clk = rclk;`	`assign clk = rclk;`

Line 405...	Line 133...
`assign pick_rrobin_dir_upd = \|events[3:0] & (~\|(events[3:0] & ~pick_rrobin_status_or_one_hot[3:0])) ;`	`assign pick_rrobin_dir_upd = \|events[3:0] & (~\|(events[3:0] & ~pick_rrobin_status_or_one_hot[3:0])) ;`

`// make reset dominant`	`// make reset dominant`
`assign pick_rrobin_din[3:0] = pick_rrobin_status_or_one_hot[3:0] & ~{4{pick_rrobin_reset}};`	`assign pick_rrobin_din[3:0] = pick_rrobin_status_or_one_hot[3:0] & ~{4{pick_rrobin_reset}};`

`dff #(4) ff_pick_rrobin (`	`dff_s #(4) ff_pick_rrobin (`
`.din (pick_rrobin_din[3:0]),`	`.din (pick_rrobin_din[3:0]),`
`.q (pick_rrobin[3:0] ),`	`.q (pick_rrobin[3:0] ),`
`.clk (clk),`	`.clk (clk),`
`.se (1'b0), .si (), .so ()`	.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
`);`	`);`
`//*******************************************************************************************************`	`//*******************************************************************************************************`


`//*******************************************************************************************************`	`//*******************************************************************************************************`
Line 432...	Line 160...

`assign events_pick_dir = ~reset &`	`assign events_pick_dir = ~reset &`
`(( ~pick_rrobin_dir_upd & events_pick_dir_d1) \| //hold`	`(( ~pick_rrobin_dir_upd & events_pick_dir_d1) \| //hold`
`( pick_rrobin_dir_upd & ~events_pick_dir_d1)) ; //set - invert direction`	`( pick_rrobin_dir_upd & ~events_pick_dir_d1)) ; //set - invert direction`

`dff #(1) ff_events_pick_dir (`	`dff_s #(1) ff_events_pick_dir (`
`.din (events_pick_dir),`	`.din (events_pick_dir),`
`.q (events_pick_dir_d1),`	`.q (events_pick_dir_d1),`
`.clk (clk),`	`.clk (clk),`
`.se (1'b0), .si (), .so ()`	.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
`);`	`);`

`//*******************************************************************************************************`	`//*******************************************************************************************************`
`endmodule`	`endmodule`

`No newline at end of file`	`No newline at end of file`

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[/] [s1_core/] [trunk/] [hdl/] [rtl/] [sparc_core/] [lsu_rrobin_picker2.v] - Diff between revs 105 and 113