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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: ilupeuIngParErr.vr | |
4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
6 | // | |
7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
8 | // | |
9 | // This program is free software; you can redistribute it and/or modify | |
10 | // it under the terms of the GNU General Public License as published by | |
11 | // the Free Software Foundation; version 2 of the License. | |
12 | // | |
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | // | |
22 | // For the avoidance of doubt, and except that if any non-GPL license | |
23 | // choice is available it will apply instead, Sun elects to use only | |
24 | // the General Public License version 2 (GPLv2) at this time for any | |
25 | // software where a choice of GPL license versions is made | |
26 | // available with the language indicating that GPLv2 or any later version | |
27 | // may be used, or where a choice of which version of the GPL is applied is | |
28 | // otherwise unspecified. | |
29 | // | |
30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
32 | // have any questions. | |
33 | // | |
34 | // ========== Copyright Header End ============================================ | |
35 | class IngParErrStr extends PEUStrBase | |
36 | { | |
37 | integer f_errQueue; // A mailbox for bad pkt headers | |
38 | integer f_len; // The packet's payload length | |
39 | bit f_lenSpecified; // Was a length specified? | |
40 | bit[4:0] f_type; // The packet's type | |
41 | bit f_typeSpecified; // Was a type specified? | |
42 | bit f_injectType; | |
43 | bit[3:0] f_mask; // Which bits are in error? | |
44 | integer bit_flip; | |
45 | ||
46 | task new( PEUTestEnv a_env ) | |
47 | { | |
48 | super.new( a_env ); | |
49 | f_errQueue = 0; | |
50 | f_lenSpecified = 0; | |
51 | f_typeSpecified = 0; | |
52 | f_injectType = 0; | |
53 | f_mask = 4'b0; | |
54 | bit_flip = random() % 4; | |
55 | } | |
56 | ||
57 | task SetErrQueue( integer a_queue ) | |
58 | { | |
59 | f_errQueue = a_queue; | |
60 | } /* end SetErrQueue */ | |
61 | ||
62 | task SetLength( integer a_len ) | |
63 | { | |
64 | f_len = a_len; | |
65 | f_lenSpecified = 1; | |
66 | } /* end SetLength */ | |
67 | ||
68 | task SetType( integer a_type ) | |
69 | { | |
70 | f_type = a_type; | |
71 | f_typeSpecified = 1; | |
72 | } /* end SetType */ | |
73 | ||
74 | task SetInjectType( bit a_injectType ) | |
75 | { | |
76 | f_injectType = a_injectType; | |
77 | } | |
78 | ||
79 | task SetMask( bit[3:0] a_mask ) | |
80 | { | |
81 | f_mask = a_mask; | |
82 | } /* end SetMask */ | |
83 | ||
84 | task Execute() | |
85 | { | |
86 | bit[PEC_PCI__HDR] egressHdr; // The egress TLP's header | |
87 | integer egressData; // A payload descriptor | |
88 | bit[7:0] tlpTag; // The tag for the TLP | |
89 | bit[7:0] egressAddr; // The DOU starting address | |
90 | bit[PEC_PCI__HDR] ingressHdr; // The ingress TLP's header | |
91 | integer ingressData; // A payload descriptor | |
92 | bit[3:0] errMask; | |
93 | bit [63:0] data; | |
94 | ||
95 | if ( f_mask != 0 ) | |
96 | errMask = f_mask; | |
97 | else | |
98 | errMask = urandom()%15 + 1; | |
99 | ||
100 | ||
101 | // Build a TLP, using the specified | |
102 | // type and length, if any. | |
103 | if ( !f_typeSpecified ) | |
104 | { | |
105 | randcase | |
106 | { | |
107 | 4 : { f_type = PEC_PCI__TYPE_MEM; f_len = urandom()%16 + 1; } | |
108 | 1 : { f_type = PEC_PCI__TYPE_MSG; f_len = 1; } | |
109 | 1 : { f_type = PEC_PCI__TYPE_CPL; f_len = urandom()%4 + 1; } | |
110 | } | |
111 | } | |
112 | ||
113 | else if ( !f_lenSpecified ) | |
114 | { | |
115 | if ( f_type == PEC_PCI__TYPE_CPL ) | |
116 | f_len = urandom()%4 + 1; | |
117 | else if ( f_type == PEC_PCI__TYPE_MEM ) | |
118 | f_len = urandom()%16 + 1; | |
119 | else | |
120 | f_len = 1; | |
121 | } | |
122 | ||
123 | if (f_injectType ) { | |
124 | data = f_env.readCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag)); | |
125 | data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IHI_PAR_SLC] = 1 << (bit_flip % 4); | |
126 | data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IHI_TRG_SLC] = 1; | |
127 | f_env.writeCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag), data); | |
128 | f_env.enterDrainState(); | |
129 | } else { | |
130 | data = f_env.readCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag)); | |
131 | data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IDI_PAR_SLC] = 1 << (bit_flip % 4); | |
132 | data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IDI_TRG_SLC] = 1; | |
133 | f_env.writeCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag), data); | |
134 | } | |
135 | ||
136 | repeat (100) @ (posedge CLOCK); | |
137 | ||
138 | // If a completion (with data) was | |
139 | // requested, then base it on a PIO | |
140 | // read request. | |
141 | if ( f_type == PEC_PCI__TYPE_CPL ) | |
142 | { | |
143 | f_env.allocRdTag( tlpTag ); | |
144 | f_env.genEgressRdReq( tlpTag, egressHdr, egressData, f_len ); | |
145 | f_env.driveILU( egressHdr, 0, egressData ); | |
146 | f_env.expectPCIE( egressHdr, egressData ); | |
147 | f_env.genIngressCpl( egressHdr, ingressHdr, ingressData ); | |
148 | } | |
149 | else | |
150 | { | |
151 | f_env.allocDmaTag( tlpTag ); | |
152 | if ( f_len == 0 ) | |
153 | f_env.genIngressRdReq( tlpTag, ingressHdr, ingressData ); | |
154 | else | |
155 | f_env.genIngressWrReq( tlpTag, ingressHdr, ingressData, f_len ); | |
156 | } | |
157 | ||
158 | // Present the TLP to the TLU, and | |
159 | // specify that parity errors are to | |
160 | // be injected into the IHB. | |
161 | // We aren't going to release the tag | |
162 | // so that only one error is injected. | |
163 | f_env.reserveIngressCredits( ingressHdr ); | |
164 | f_env.drivePCIE( ingressHdr, ingressData ); | |
165 | printf("drove the packet\n"); | |
166 | f_env.consumeIngressCredits( ingressHdr ); | |
167 | ||
168 | // Error injected on the Header are logged | |
169 | // in the ILU Error register. Errors injected | |
170 | // on the data pass through and are flagged upstream | |
171 | ||
172 | if (f_injectType) { | |
173 | if ( f_errQueue != 0 ) | |
174 | { | |
175 | mailbox_put( f_errQueue, e_ERR_ilu_ihb ); | |
176 | mailbox_put( f_errQueue, ingressHdr ); | |
177 | } | |
178 | } else { | |
179 | printf("Waiting for ILU packet\n"); | |
180 | f_env.expectILU( ingressHdr, ingressData ); | |
181 | printf("received ILU packet\n"); | |
182 | } | |
183 | ||
184 | ||
185 | } /* end Execute */ | |
186 | } /* end IngParErrStr */ |