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/* $Id: aeMB_edk32.v,v 1.14 2008-01-19 16:01:22 sybreon Exp $
**
** AEMB EDK 3.2 Compatible Core
** Copyright (C) 2004-2007 Shawn Tan Ser Ngiap <shawn.tan@aeste.net>
**
** This file is part of AEMB.
**
** AEMB is free software: you can redistribute it and/or modify it
** under the terms of the GNU Lesser General Public License as
** published by the Free Software Foundation, either version 3 of the
** License, or (at your option) any later version.
**
** AEMB 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 Lesser General
** Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License along with AEMB. If not, see <http://www.gnu.org/licenses/>.
*/
 
module aeMB_edk32 (/*AUTOARG*/
   // Outputs
   iwb_stb_o, iwb_adr_o, fsl_wre_o, fsl_tag_o, fsl_stb_o, fsl_dat_o,
   fsl_adr_o, dwb_wre_o, dwb_stb_o, dwb_sel_o, dwb_dat_o, dwb_adr_o,
   // Inputs
   sys_int_i, iwb_dat_i, iwb_ack_i, fsl_dat_i, fsl_ack_i, dwb_dat_i,
   dwb_ack_i, sys_clk_i, sys_rst_i
   );
   // Bus widths
   parameter IW = 32; /// Instruction bus address width
   parameter DW = 32; /// Data bus address width
 
   // Optional functions
   parameter MUL = 0; // Multiplier
   parameter BSF = 1; // Barrel Shifter
 
   /*AUTOOUTPUT*/
   // Beginning of automatic outputs (from unused autoinst outputs)
   output [DW-1:2]      dwb_adr_o;              // From xecu of aeMB_xecu.v
   output [31:0] dwb_dat_o;              // From regf of aeMB_regf.v
   output [3:0]          dwb_sel_o;              // From xecu of aeMB_xecu.v
   output               dwb_stb_o;              // From ctrl of aeMB_ctrl.v
   output               dwb_wre_o;              // From ctrl of aeMB_ctrl.v
   output [6:2]         fsl_adr_o;              // From xecu of aeMB_xecu.v
   output [31:0] fsl_dat_o;              // From regf of aeMB_regf.v
   output               fsl_stb_o;              // From ctrl of aeMB_ctrl.v
   output [1:0]          fsl_tag_o;              // From xecu of aeMB_xecu.v
   output               fsl_wre_o;              // From ctrl of aeMB_ctrl.v
   output [IW-1:2]      iwb_adr_o;              // From bpcu of aeMB_bpcu.v
   output               iwb_stb_o;              // From ibuf of aeMB_ibuf.v
   // End of automatics
   /*AUTOINPUT*/
   // Beginning of automatic inputs (from unused autoinst inputs)
   input                dwb_ack_i;              // To ctrl of aeMB_ctrl.v
   input [31:0]          dwb_dat_i;              // To regf of aeMB_regf.v
   input                fsl_ack_i;              // To ctrl of aeMB_ctrl.v
   input [31:0]          fsl_dat_i;              // To regf of aeMB_regf.v
   input                iwb_ack_i;              // To ibuf of aeMB_ibuf.v, ...
   input [31:0]          iwb_dat_i;              // To ibuf of aeMB_ibuf.v
   input                sys_int_i;              // To ibuf of aeMB_ibuf.v
   // End of automatics
   /*AUTOWIRE*/
   // Beginning of automatic wires (for undeclared instantiated-module outputs)
   wire [10:0]           rALT;                   // From ibuf of aeMB_ibuf.v
   wire                 rBRA;                   // From bpcu of aeMB_bpcu.v
   wire                 rDLY;                   // From bpcu of aeMB_bpcu.v
   wire [31:0]           rDWBDI;                 // From regf of aeMB_regf.v
   wire [3:0]            rDWBSEL;                // From xecu of aeMB_xecu.v
   wire [15:0]           rIMM;                   // From ibuf of aeMB_ibuf.v
   wire                 rMSR_BIP;               // From xecu of aeMB_xecu.v
   wire                 rMSR_IE;                // From xecu of aeMB_xecu.v
   wire [1:0]            rMXALT;                 // From ctrl of aeMB_ctrl.v
   wire [2:0]            rMXALU;                 // From ctrl of aeMB_ctrl.v
   wire [1:0]            rMXDST;                 // From ctrl of aeMB_ctrl.v
   wire [1:0]            rMXSRC;                 // From ctrl of aeMB_ctrl.v
   wire [1:0]            rMXTGT;                 // From ctrl of aeMB_ctrl.v
   wire [5:0]            rOPC;                   // From ibuf of aeMB_ibuf.v
   wire [31:2]          rPC;                    // From bpcu of aeMB_bpcu.v
   wire [31:2]          rPCLNK;                 // From bpcu of aeMB_bpcu.v
   wire [4:0]            rRA;                    // From ibuf of aeMB_ibuf.v
   wire [4:0]            rRB;                    // From ibuf of aeMB_ibuf.v
   wire [4:0]            rRD;                    // From ibuf of aeMB_ibuf.v
   wire [31:0]           rREGA;                  // From regf of aeMB_regf.v
   wire [31:0]           rREGB;                  // From regf of aeMB_regf.v
   wire [31:0]           rRESULT;                // From xecu of aeMB_xecu.v
   wire [4:0]            rRW;                    // From ctrl of aeMB_ctrl.v
   wire [31:0]           rSIMM;                  // From ibuf of aeMB_ibuf.v
   wire                 rSTALL;                 // From ibuf of aeMB_ibuf.v
   wire [31:0]           xIREG;                  // From ibuf of aeMB_ibuf.v
   // End of automatics
 
   input                sys_clk_i;
   input                sys_rst_i;
 
   wire                 grst = sys_rst_i;
   wire                 gclk = sys_clk_i;
   wire                 gena = !((dwb_stb_o ^ dwb_ack_i) | (fsl_stb_o ^ fsl_ack_i) | !iwb_ack_i) & !rSTALL;
   wire                 oena = ((dwb_stb_o ^ dwb_ack_i) | (fsl_stb_o ^ fsl_ack_i) | !iwb_ack_i);
 
   // --- INSTANTIATIONS -------------------------------------
 
   aeMB_ibuf
     ibuf (/*AUTOINST*/
           // Outputs
           .rIMM                        (rIMM[15:0]),
           .rRA                         (rRA[4:0]),
           .rRD                         (rRD[4:0]),
           .rRB                         (rRB[4:0]),
           .rALT                        (rALT[10:0]),
           .rOPC                        (rOPC[5:0]),
           .rSIMM                       (rSIMM[31:0]),
           .xIREG                       (xIREG[31:0]),
           .rSTALL                      (rSTALL),
           .iwb_stb_o                   (iwb_stb_o),
           // Inputs
           .rBRA                        (rBRA),
           .rMSR_IE                     (rMSR_IE),
           .rMSR_BIP                    (rMSR_BIP),
           .iwb_dat_i                   (iwb_dat_i[31:0]),
           .iwb_ack_i                   (iwb_ack_i),
           .sys_int_i                   (sys_int_i),
           .gclk                        (gclk),
           .grst                        (grst),
           .gena                        (gena),
           .oena                        (oena));
 
   aeMB_ctrl
     ctrl (/*AUTOINST*/
           // Outputs
           .rMXDST                      (rMXDST[1:0]),
           .rMXSRC                      (rMXSRC[1:0]),
           .rMXTGT                      (rMXTGT[1:0]),
           .rMXALT                      (rMXALT[1:0]),
           .rMXALU                      (rMXALU[2:0]),
           .rRW                         (rRW[4:0]),
           .dwb_stb_o                   (dwb_stb_o),
           .dwb_wre_o                   (dwb_wre_o),
           .fsl_stb_o                   (fsl_stb_o),
           .fsl_wre_o                   (fsl_wre_o),
           // Inputs
           .rDLY                        (rDLY),
           .rIMM                        (rIMM[15:0]),
           .rALT                        (rALT[10:0]),
           .rOPC                        (rOPC[5:0]),
           .rRD                         (rRD[4:0]),
           .rRA                         (rRA[4:0]),
           .rRB                         (rRB[4:0]),
           .rPC                         (rPC[31:2]),
           .rBRA                        (rBRA),
           .rMSR_IE                     (rMSR_IE),
           .xIREG                       (xIREG[31:0]),
           .dwb_ack_i                   (dwb_ack_i),
           .iwb_ack_i                   (iwb_ack_i),
           .fsl_ack_i                   (fsl_ack_i),
           .gclk                        (gclk),
           .grst                        (grst),
           .gena                        (gena));
 
   aeMB_bpcu #(IW)
     bpcu (/*AUTOINST*/
           // Outputs
           .iwb_adr_o                   (iwb_adr_o[IW-1:2]),
           .rPC                         (rPC[31:2]),
           .rPCLNK                      (rPCLNK[31:2]),
           .rBRA                        (rBRA),
           .rDLY                        (rDLY),
           // Inputs
           .rMXALT                      (rMXALT[1:0]),
           .rOPC                        (rOPC[5:0]),
           .rRD                         (rRD[4:0]),
           .rRA                         (rRA[4:0]),
           .rRESULT                     (rRESULT[31:0]),
           .rDWBDI                      (rDWBDI[31:0]),
           .rREGA                       (rREGA[31:0]),
           .gclk                        (gclk),
           .grst                        (grst),
           .gena                        (gena));
 
   aeMB_regf
     regf (/*AUTOINST*/
           // Outputs
           .rREGA                       (rREGA[31:0]),
           .rREGB                       (rREGB[31:0]),
           .rDWBDI                      (rDWBDI[31:0]),
           .dwb_dat_o                   (dwb_dat_o[31:0]),
           .fsl_dat_o                   (fsl_dat_o[31:0]),
           // Inputs
           .rOPC                        (rOPC[5:0]),
           .rRA                         (rRA[4:0]),
           .rRB                         (rRB[4:0]),
           .rRW                         (rRW[4:0]),
           .rRD                         (rRD[4:0]),
           .rMXDST                      (rMXDST[1:0]),
           .rPCLNK                      (rPCLNK[31:2]),
           .rRESULT                     (rRESULT[31:0]),
           .rDWBSEL                     (rDWBSEL[3:0]),
           .rBRA                        (rBRA),
           .rDLY                        (rDLY),
           .dwb_dat_i                   (dwb_dat_i[31:0]),
           .fsl_dat_i                   (fsl_dat_i[31:0]),
           .gclk                        (gclk),
           .grst                        (grst),
           .gena                        (gena));
 
   aeMB_xecu #(DW, MUL, BSF)
     xecu (/*AUTOINST*/
           // Outputs
           .dwb_adr_o                   (dwb_adr_o[DW-1:2]),
           .dwb_sel_o                   (dwb_sel_o[3:0]),
           .fsl_adr_o                   (fsl_adr_o[6:2]),
           .fsl_tag_o                   (fsl_tag_o[1:0]),
           .rRESULT                     (rRESULT[31:0]),
           .rDWBSEL                     (rDWBSEL[3:0]),
           .rMSR_IE                     (rMSR_IE),
           .rMSR_BIP                    (rMSR_BIP),
           // Inputs
           .rREGA                       (rREGA[31:0]),
           .rREGB                       (rREGB[31:0]),
           .rMXSRC                      (rMXSRC[1:0]),
           .rMXTGT                      (rMXTGT[1:0]),
           .rRA                         (rRA[4:0]),
           .rRB                         (rRB[4:0]),
           .rMXALU                      (rMXALU[2:0]),
           .rBRA                        (rBRA),
           .rDLY                        (rDLY),
           .rALT                        (rALT[10:0]),
           .rSTALL                      (rSTALL),
           .rSIMM                       (rSIMM[31:0]),
           .rIMM                        (rIMM[15:0]),
           .rOPC                        (rOPC[5:0]),
           .rRD                         (rRD[4:0]),
           .rDWBDI                      (rDWBDI[31:0]),
           .rPC                         (rPC[31:2]),
           .gclk                        (gclk),
           .grst                        (grst),
           .gena                        (gena));
 
 
endmodule // aeMB_edk32
 
/*
 $Log: not supported by cvs2svn $
 Revision 1.13  2007/12/25 22:15:09  sybreon
 Stalls pipeline on MUL/BSF instructions results in minor speed improvements.
 
 Revision 1.12  2007/12/23 20:40:44  sybreon
 Abstracted simulation kernel (aeMB_sim) to split simulation models from synthesis models.
 
 Revision 1.11  2007/11/30 17:08:29  sybreon
 Moved simulation kernel into code.
 
 Revision 1.10  2007/11/16 21:52:03  sybreon
 Added fsl_tag_o to FSL bus (tag either address or data).
 
 Revision 1.9  2007/11/14 23:19:24  sybreon
 Fixed minor typo.
 
 Revision 1.8  2007/11/14 22:14:34  sybreon
 Changed interrupt handling system (reported by M. Ettus).
 
 Revision 1.7  2007/11/10 16:39:38  sybreon
 Upgraded license to LGPLv3.
 Significant performance optimisations.
 
 Revision 1.6  2007/11/09 20:51:52  sybreon
 Added GET/PUT support through a FSL bus.
 
 Revision 1.5  2007/11/08 17:48:14  sybreon
 Fixed data WISHBONE arbitration problem (reported by J Lee).
 
 Revision 1.4  2007/11/08 14:17:47  sybreon
 Parameterised optional components.
 
 Revision 1.3  2007/11/03 08:34:55  sybreon
 Minor code cleanup.
 
 Revision 1.2  2007/11/02 19:20:58  sybreon
 Added better (beta) interrupt support.
 Changed MSR_IE to disabled at reset as per MB docs.
 
 Revision 1.1  2007/11/02 03:25:40  sybreon
 New EDK 3.2 compatible design with optional barrel-shifter and multiplier.
 Fixed various minor data hazard bugs.
 Code compatible with -O0/1/2/3/s generated code.
*/

Line No.	Rev	Author	Line
1	103	sybreon	`/* $Id: aeMB_edk32.v,v 1.14 2008-01-19 16:01:22 sybreon Exp $`
2	95	sybreon	`**`
3			`** AEMB EDK 3.2 Compatible Core`
4			`** Copyright (C) 2004-2007 Shawn Tan Ser Ngiap <shawn.tan@aeste.net>`
5			`**`
6			`** This file is part of AEMB.`
7			`**`
8			`** AEMB is free software: you can redistribute it and/or modify it`
9			`** under the terms of the GNU Lesser General Public License as`
10			`** published by the Free Software Foundation, either version 3 of the`
11			`** License, or (at your option) any later version.`
12			`**`
13			`** AEMB is distributed in the hope that it will be useful, but WITHOUT`
14			`** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY`
15			`** or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General`
16			`** Public License for more details.`
17			`**`
18			`** You should have received a copy of the GNU Lesser General Public`
19			`** License along with AEMB. If not, see <http://www.gnu.org/licenses/>.`
20			`*/`
21	41	sybreon
22			`module aeMB_edk32 (/AUTOARG/`
23			`// Outputs`
24	66	sybreon	`iwb_stb_o, iwb_adr_o, fsl_wre_o, fsl_tag_o, fsl_stb_o, fsl_dat_o,`
25			`fsl_adr_o, dwb_wre_o, dwb_stb_o, dwb_sel_o, dwb_dat_o, dwb_adr_o,`
26	41	sybreon	`// Inputs`
27	61	sybreon	`sys_int_i, iwb_dat_i, iwb_ack_i, fsl_dat_i, fsl_ack_i, dwb_dat_i,`
28			`dwb_ack_i, sys_clk_i, sys_rst_i`
29	41	sybreon	`);`
30	50	sybreon	`// Bus widths`
31			`parameter IW = 32; /// Instruction bus address width`
32			`parameter DW = 32; /// Data bus address width`
33	41	sybreon
34	50	sybreon	`// Optional functions`
35	103	sybreon	`parameter MUL = 0; // Multiplier`
36	50	sybreon	`parameter BSF = 1; // Barrel Shifter`
37	41	sybreon
38			`/AUTOOUTPUT/`
39			`// Beginning of automatic outputs (from unused autoinst outputs)`
40			`output [DW-1:2] dwb_adr_o; // From xecu of aeMB_xecu.v`
41			`output [31:0] dwb_dat_o; // From regf of aeMB_regf.v`
42			`output [3:0] dwb_sel_o; // From xecu of aeMB_xecu.v`
43			`output dwb_stb_o; // From ctrl of aeMB_ctrl.v`
44			`output dwb_wre_o; // From ctrl of aeMB_ctrl.v`
45	66	sybreon	`output [6:2] fsl_adr_o; // From xecu of aeMB_xecu.v`
46	53	sybreon	`output [31:0] fsl_dat_o; // From regf of aeMB_regf.v`
47			`output fsl_stb_o; // From ctrl of aeMB_ctrl.v`
48	66	sybreon	`output [1:0] fsl_tag_o; // From xecu of aeMB_xecu.v`
49	53	sybreon	`output fsl_wre_o; // From ctrl of aeMB_ctrl.v`
50	41	sybreon	`output [IW-1:2] iwb_adr_o; // From bpcu of aeMB_bpcu.v`
51			`output iwb_stb_o; // From ibuf of aeMB_ibuf.v`
52			`// End of automatics`
53			`/AUTOINPUT/`
54			`// Beginning of automatic inputs (from unused autoinst inputs)`
55	61	sybreon	`input dwb_ack_i; // To ctrl of aeMB_ctrl.v`
56	41	sybreon	`input [31:0] dwb_dat_i; // To regf of aeMB_regf.v`
57	61	sybreon	`input fsl_ack_i; // To ctrl of aeMB_ctrl.v`
58	53	sybreon	`input [31:0] fsl_dat_i; // To regf of aeMB_regf.v`
59	61	sybreon	`input iwb_ack_i; // To ibuf of aeMB_ibuf.v, ...`
60			`input [31:0] iwb_dat_i; // To ibuf of aeMB_ibuf.v`
61			`input sys_int_i; // To ibuf of aeMB_ibuf.v`
62	41	sybreon	`// End of automatics`
63			`/AUTOWIRE/`
64			`// Beginning of automatic wires (for undeclared instantiated-module outputs)`
65			`wire [10:0] rALT; // From ibuf of aeMB_ibuf.v`
66			`wire rBRA; // From bpcu of aeMB_bpcu.v`
67			`wire rDLY; // From bpcu of aeMB_bpcu.v`
68			`wire [31:0] rDWBDI; // From regf of aeMB_regf.v`
69			`wire [3:0] rDWBSEL; // From xecu of aeMB_xecu.v`
70			`wire [15:0] rIMM; // From ibuf of aeMB_ibuf.v`
71	44	sybreon	`wire rMSR_BIP; // From xecu of aeMB_xecu.v`
72	41	sybreon	`wire rMSR_IE; // From xecu of aeMB_xecu.v`
73			`wire [1:0] rMXALT; // From ctrl of aeMB_ctrl.v`
74			`wire [2:0] rMXALU; // From ctrl of aeMB_ctrl.v`
75			`wire [1:0] rMXDST; // From ctrl of aeMB_ctrl.v`
76			`wire [1:0] rMXSRC; // From ctrl of aeMB_ctrl.v`
77			`wire [1:0] rMXTGT; // From ctrl of aeMB_ctrl.v`
78			`wire [5:0] rOPC; // From ibuf of aeMB_ibuf.v`
79			`wire [31:2] rPC; // From bpcu of aeMB_bpcu.v`
80			`wire [31:2] rPCLNK; // From bpcu of aeMB_bpcu.v`
81			`wire [4:0] rRA; // From ibuf of aeMB_ibuf.v`
82			`wire [4:0] rRB; // From ibuf of aeMB_ibuf.v`
83			`wire [4:0] rRD; // From ibuf of aeMB_ibuf.v`
84			`wire [31:0] rREGA; // From regf of aeMB_regf.v`
85			`wire [31:0] rREGB; // From regf of aeMB_regf.v`
86			`wire [31:0] rRESULT; // From xecu of aeMB_xecu.v`
87			`wire [4:0] rRW; // From ctrl of aeMB_ctrl.v`
88			`wire [31:0] rSIMM; // From ibuf of aeMB_ibuf.v`
89	96	sybreon	`wire rSTALL; // From ibuf of aeMB_ibuf.v`
90	61	sybreon	`wire [31:0] xIREG; // From ibuf of aeMB_ibuf.v`
91	41	sybreon	`// End of automatics`
92	61	sybreon
93			`input sys_clk_i;`
94			`input sys_rst_i;`
95	96	sybreon
96	61	sybreon	`wire grst = sys_rst_i;`
97			`wire gclk = sys_clk_i;`
98	96	sybreon	`wire gena = !((dwb_stb_o ^ dwb_ack_i) \| (fsl_stb_o ^ fsl_ack_i) \| !iwb_ack_i) & !rSTALL;`
99	103	sybreon	`wire oena = ((dwb_stb_o ^ dwb_ack_i) \| (fsl_stb_o ^ fsl_ack_i) \| !iwb_ack_i);`
100	73	sybreon
101			`// --- INSTANTIATIONS -------------------------------------`
102	50	sybreon
103	41	sybreon	`aeMB_ibuf`
104			`ibuf (/AUTOINST/`
105			`// Outputs`
106			`.rIMM (rIMM[15:0]),`
107			`.rRA (rRA[4:0]),`
108			`.rRD (rRD[4:0]),`
109			`.rRB (rRB[4:0]),`
110			`.rALT (rALT[10:0]),`
111			`.rOPC (rOPC[5:0]),`
112			`.rSIMM (rSIMM[31:0]),`
113	61	sybreon	`.xIREG (xIREG[31:0]),`
114	96	sybreon	`.rSTALL (rSTALL),`
115	41	sybreon	`.iwb_stb_o (iwb_stb_o),`
116			`// Inputs`
117			`.rBRA (rBRA),`
118	61	sybreon	`.rMSR_IE (rMSR_IE),`
119			`.rMSR_BIP (rMSR_BIP),`
120	41	sybreon	`.iwb_dat_i (iwb_dat_i[31:0]),`
121			`.iwb_ack_i (iwb_ack_i),`
122	61	sybreon	`.sys_int_i (sys_int_i),`
123	41	sybreon	`.gclk (gclk),`
124			`.grst (grst),`
125	103	sybreon	`.gena (gena),`
126			`.oena (oena));`
127	41	sybreon
128			`aeMB_ctrl`
129			`ctrl (/AUTOINST/`
130			`// Outputs`
131			`.rMXDST (rMXDST[1:0]),`
132			`.rMXSRC (rMXSRC[1:0]),`
133			`.rMXTGT (rMXTGT[1:0]),`
134			`.rMXALT (rMXALT[1:0]),`
135			`.rMXALU (rMXALU[2:0]),`
136			`.rRW (rRW[4:0]),`
137			`.dwb_stb_o (dwb_stb_o),`
138			`.dwb_wre_o (dwb_wre_o),`
139	53	sybreon	`.fsl_stb_o (fsl_stb_o),`
140			`.fsl_wre_o (fsl_wre_o),`
141	41	sybreon	`// Inputs`
142			`.rDLY (rDLY),`
143			`.rIMM (rIMM[15:0]),`
144			`.rALT (rALT[10:0]),`
145			`.rOPC (rOPC[5:0]),`
146			`.rRD (rRD[4:0]),`
147			`.rRA (rRA[4:0]),`
148			`.rRB (rRB[4:0]),`
149			`.rPC (rPC[31:2]),`
150			`.rBRA (rBRA),`
151			`.rMSR_IE (rMSR_IE),`
152	61	sybreon	`.xIREG (xIREG[31:0]),`
153	50	sybreon	`.dwb_ack_i (dwb_ack_i),`
154	51	sybreon	`.iwb_ack_i (iwb_ack_i),`
155	53	sybreon	`.fsl_ack_i (fsl_ack_i),`
156	41	sybreon	`.gclk (gclk),`
157			`.grst (grst),`
158	44	sybreon	`.gena (gena));`
159	41	sybreon
160			`aeMB_bpcu #(IW)`
161			`bpcu (/AUTOINST/`
162			`// Outputs`
163			`.iwb_adr_o (iwb_adr_o[IW-1:2]),`
164			`.rPC (rPC[31:2]),`
165			`.rPCLNK (rPCLNK[31:2]),`
166			`.rBRA (rBRA),`
167			`.rDLY (rDLY),`
168			`// Inputs`
169			`.rMXALT (rMXALT[1:0]),`
170			`.rOPC (rOPC[5:0]),`
171			`.rRD (rRD[4:0]),`
172			`.rRA (rRA[4:0]),`
173			`.rRESULT (rRESULT[31:0]),`
174			`.rDWBDI (rDWBDI[31:0]),`
175			`.rREGA (rREGA[31:0]),`
176			`.gclk (gclk),`
177			`.grst (grst),`
178			`.gena (gena));`
179
180			`aeMB_regf`
181			`regf (/AUTOINST/`
182			`// Outputs`
183			`.rREGA (rREGA[31:0]),`
184			`.rREGB (rREGB[31:0]),`
185			`.rDWBDI (rDWBDI[31:0]),`
186			`.dwb_dat_o (dwb_dat_o[31:0]),`
187	53	sybreon	`.fsl_dat_o (fsl_dat_o[31:0]),`
188	41	sybreon	`// Inputs`
189			`.rOPC (rOPC[5:0]),`
190			`.rRA (rRA[4:0]),`
191			`.rRB (rRB[4:0]),`
192			`.rRW (rRW[4:0]),`
193			`.rRD (rRD[4:0]),`
194			`.rMXDST (rMXDST[1:0]),`
195			`.rPCLNK (rPCLNK[31:2]),`
196			`.rRESULT (rRESULT[31:0]),`
197			`.rDWBSEL (rDWBSEL[3:0]),`
198			`.rBRA (rBRA),`
199			`.rDLY (rDLY),`
200			`.dwb_dat_i (dwb_dat_i[31:0]),`
201	53	sybreon	`.fsl_dat_i (fsl_dat_i[31:0]),`
202	41	sybreon	`.gclk (gclk),`
203			`.grst (grst),`
204			`.gena (gena));`
205
206	50	sybreon	`aeMB_xecu #(DW, MUL, BSF)`
207			`xecu (/AUTOINST/`
208	41	sybreon	`// Outputs`
209			`.dwb_adr_o (dwb_adr_o[DW-1:2]),`
210			`.dwb_sel_o (dwb_sel_o[3:0]),`
211	66	sybreon	`.fsl_adr_o (fsl_adr_o[6:2]),`
212			`.fsl_tag_o (fsl_tag_o[1:0]),`
213	41	sybreon	`.rRESULT (rRESULT[31:0]),`
214			`.rDWBSEL (rDWBSEL[3:0]),`
215			`.rMSR_IE (rMSR_IE),`
216	44	sybreon	`.rMSR_BIP (rMSR_BIP),`
217	41	sybreon	`// Inputs`
218			`.rREGA (rREGA[31:0]),`
219			`.rREGB (rREGB[31:0]),`
220			`.rMXSRC (rMXSRC[1:0]),`
221			`.rMXTGT (rMXTGT[1:0]),`
222			`.rRA (rRA[4:0]),`
223	53	sybreon	`.rRB (rRB[4:0]),`
224	41	sybreon	`.rMXALU (rMXALU[2:0]),`
225			`.rBRA (rBRA),`
226			`.rDLY (rDLY),`
227	50	sybreon	`.rALT (rALT[10:0]),`
228	96	sybreon	`.rSTALL (rSTALL),`
229	41	sybreon	`.rSIMM (rSIMM[31:0]),`
230			`.rIMM (rIMM[15:0]),`
231			`.rOPC (rOPC[5:0]),`
232			`.rRD (rRD[4:0]),`
233			`.rDWBDI (rDWBDI[31:0]),`
234			`.rPC (rPC[31:2]),`
235			`.gclk (gclk),`
236			`.grst (grst),`
237			`.gena (gena));`
238	73	sybreon
239	41	sybreon
240	95	sybreon	`endmodule // aeMB_edk32`
241	73	sybreon
242	95	sybreon	`/*`
243			$Log: not supported by cvs2svn $
244	103	sybreon	`Revision 1.13 2007/12/25 22:15:09 sybreon`
245			`Stalls pipeline on MUL/BSF instructions results in minor speed improvements.`
246
247	96	sybreon	`Revision 1.12 2007/12/23 20:40:44 sybreon`
248			`Abstracted simulation kernel (aeMB_sim) to split simulation models from synthesis models.`
249
250	95	sybreon	`Revision 1.11 2007/11/30 17:08:29 sybreon`
251			`Moved simulation kernel into code.`
252
253			`Revision 1.10 2007/11/16 21:52:03 sybreon`
254			`Added fsl_tag_o to FSL bus (tag either address or data).`
255	73	sybreon
256	95	sybreon	`Revision 1.9 2007/11/14 23:19:24 sybreon`
257			`Fixed minor typo.`
258	73	sybreon
259	95	sybreon	`Revision 1.8 2007/11/14 22:14:34 sybreon`
260			`Changed interrupt handling system (reported by M. Ettus).`
261	73	sybreon
262	95	sybreon	`Revision 1.7 2007/11/10 16:39:38 sybreon`
263			`Upgraded license to LGPLv3.`
264			`Significant performance optimisations.`
265	73	sybreon
266	95	sybreon	`Revision 1.6 2007/11/09 20:51:52 sybreon`
267			`Added GET/PUT support through a FSL bus.`
268	73	sybreon
269	95	sybreon	`Revision 1.5 2007/11/08 17:48:14 sybreon`
270			`Fixed data WISHBONE arbitration problem (reported by J Lee).`
271	73	sybreon
272	95	sybreon	`Revision 1.4 2007/11/08 14:17:47 sybreon`
273			`Parameterised optional components.`
274
275			`Revision 1.3 2007/11/03 08:34:55 sybreon`
276			`Minor code cleanup.`
277
278			`Revision 1.2 2007/11/02 19:20:58 sybreon`
279			`Added better (beta) interrupt support.`
280			`Changed MSR_IE to disabled at reset as per MB docs.`
281
282			`Revision 1.1 2007/11/02 03:25:40 sybreon`
283			`New EDK 3.2 compatible design with optional barrel-shifter and multiplier.`
284			`Fixed various minor data hazard bugs.`
285			`Code compatible with -O0/1/2/3/s generated code.`
286			`*/`

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