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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: niu_setup.cpp | |
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 | // ========== Copyright Header Begin ========================================== | |
36 | // | |
37 | // OpenSPARC T2 Processor File: niu_setup.cpp | |
38 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
39 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
40 | // | |
41 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
42 | // | |
43 | // This program is free software; you can redistribute it and/or modify | |
44 | // it under the terms of the GNU General Public License as published by | |
45 | // the Free Software Foundation; version 2 of the License. | |
46 | // | |
47 | // This program is distributed in the hope that it will be useful, | |
48 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
49 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
50 | // GNU General Public License for more details. | |
51 | // | |
52 | // You should have received a copy of the GNU General Public License | |
53 | // along with this program; if not, write to the Free Software | |
54 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
55 | // | |
56 | // For the avoidance of doubt, and except that if any non-GPL license | |
57 | // choice is available it will apply instead, Sun elects to use only | |
58 | // the General Public License version 2 (GPLv2) at this time for any | |
59 | // software where a choice of GPL license versions is made | |
60 | // available with the language indicating that GPLv2 or any later version | |
61 | // may be used, or where a choice of which version of the GPL is applied is | |
62 | // otherwise unspecified. | |
63 | // | |
64 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
65 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
66 | // have any questions. | |
67 | // | |
68 | // ========== Copyright Header End ============================================ | |
69 | #include <sys/types.h> | |
70 | #include <sys/stat.h> | |
71 | #include <fcntl.h> | |
72 | #include <sys/types.h> | |
73 | #include <signal.h> | |
74 | ||
75 | ||
76 | #include <systemc.h> | |
77 | #include <string.h> | |
78 | #include <sys/types.h> | |
79 | #include <sys/ipc.h> | |
80 | #include <sys/shm.h> | |
81 | #include <stdio.h> | |
82 | #include <stdlib.h> | |
83 | #include <unistd.h> | |
84 | #include <thread.h> | |
85 | #include <synch.h> | |
86 | #include <pthread.h> | |
87 | #include "niu_setup.h" | |
88 | ||
89 | #include "loader.h" | |
90 | #include "sharedmem.h" | |
91 | ||
92 | extern sharedmem *shmem; | |
93 | ||
94 | mmi_info_t module_info; | |
95 | #define NUMARGS 1 | |
96 | #define DEBUGLVL 2 | |
97 | #define NIUBASE 0x8100000000ull | |
98 | ||
99 | ||
100 | niu_setup::niu_setup(sc_module_name) { | |
101 | shmem = new sharedmem(getpid(), 1); | |
102 | ||
103 | const char *dv_root = getenv("DV_ROOT"); | |
104 | char *dlpath = new char[strlen(dv_root) + 100]; | |
105 | sprintf(dlpath, "%s/verif/model/systemc/niu/n2niu.so", dv_root); | |
106 | ||
107 | void *handle = dlopen(dlpath, RTLD_LAZY); | |
108 | ||
109 | if(handle == NULL) { | |
110 | char *dlerr = dlerror(); | |
111 | fprintf(stderr,"dlopen failed\nError: %s\n", dlerr); | |
112 | exit(1); | |
113 | } else { | |
114 | init_instance(handle, "n2niu", "n2niu"); | |
115 | } | |
116 | } | |
117 | ||
118 | void init_instance(void *handle, char *modname, char*instname) { | |
119 | if (module_info.create_instance == NULL) { | |
120 | fprintf(stderr,"failed to find module instance creator\n"); | |
121 | exit(1); | |
122 | } | |
123 | parse_mod_args(modname, instname); | |
124 | module_info.create_instance(module_info.modname, module_info.instance_name); | |
125 | module_info.access_fn = (mmi_access)dlsym(handle,"niu_access"); | |
126 | fprintf(stderr, "Done creating instance %s of %s\n", instname, modname); | |
127 | } | |
128 | ||
129 | // Setup all the module parameters | |
130 | void parse_mod_args(char *modname, char*instname) { | |
131 | module_info.modname = strdup(modname); | |
132 | module_info.instance_name = strdup(instname); | |
133 | module_info.argc = NUMARGS; | |
134 | module_info.argv = (char**)calloc(NUMARGS,sizeof(char*)); | |
135 | module_info.argv[0] = strdup("-d2"); | |
136 | } | |
137 | ||
138 | ||
139 | struct AccessData { | |
140 | uint64_t pa; | |
141 | uint64_t pl; | |
142 | }; | |
143 | ||
144 | ||
145 | uint64_t swap64(uint64_t data) { | |
146 | return ((data & 0x00000000000000ffull) << 56) + ((data & 0x000000000000ff00ull) << 40) + | |
147 | ((data & 0x0000000000ff0000ull) << 24) + ((data & 0x00000000ff000000ull) << 8) + | |
148 | ((data & 0x000000ff00000000ull) >> 8) + ((data & 0x0000ff0000000000ull) >> 24) + | |
149 | ((data & 0x00ff000000000000ull) >> 40) + ((data & 0xff00000000000000ull) >> 56); | |
150 | } | |
151 | ||
152 | void parseUCBPacket(uint32_t *mem, uint32_t &req, uint64_t &pa, uint64_t &pl, | |
153 | uint32_t &cpu, uint32_t &thread, uint32_t &buf, uint32_t &size) { | |
154 | ||
155 | pl = (((unsigned long long int) mem[3]) << 32) + mem[2]; | |
156 | pa = (((unsigned long long int)mem[1] & 0x7fffff) << 17) + (mem[0] >> 15); | |
157 | ||
158 | pa &= 0x00000000ffffffffull; | |
159 | pa |= NIUBASE; | |
160 | printf("NIU Address: %016llx\n",pa); | |
161 | ||
162 | cpu = (mem[0] >> 7) & 0x7; | |
163 | thread = (mem[0] >> 4) & 0x7; | |
164 | buf = (mem[0] >> 10) & 0x3; | |
165 | size = (mem[0] >> 12) & 0x7; | |
166 | req = mem[0] & 0xf; | |
167 | ||
168 | //printf("NCU REQ:%x Cpu:%x Thread:%x Buf:%x Size:%x PA:%llx Payload:%llx\n", req, cpu, thread, buf, size, pa, pl); | |
169 | } | |
170 | ||
171 | ||
172 | void* niu_write_access_thread (void *arg) { | |
173 | mmi_access niu_access = module_info.access_fn; | |
174 | void *modptr = module_info.cb_data; | |
175 | AccessData *adata = (AccessData *) arg; | |
176 | ||
177 | int res = niu_access(0, modptr, adata->pa , mmi_true, 8, &(adata->pl), 0); | |
178 | ||
179 | return (void *) 0x0; | |
180 | } | |
181 | ||
182 | ||
183 | ||
184 | ||
185 | void ncu_interface(unsigned int mem[4]) { | |
186 | mmi_access niu_access = module_info.access_fn; | |
187 | void *modptr = module_info.cb_data; | |
188 | uint64_t data; | |
189 | ||
190 | uint64_t pa, pl; | |
191 | uint32_t req, cpu, thread, buf, size; | |
192 | parseUCBPacket(mem, req, pa, pl, cpu, thread, buf, size); | |
193 | ||
194 | data = pl; | |
195 | ||
196 | int corrected = 0; | |
197 | if(req !=5) { | |
198 | if(pa == 0x8100182000ull) { | |
199 | corrected = 1; | |
200 | data = swap64(0x0000000000002040ull); | |
201 | } | |
202 | if(pa == 0x8100182008ull) { | |
203 | corrected = 1; | |
204 | data = swap64(0x0000000000000084ull); | |
205 | } | |
206 | if(pa == 0x8100188008ull) { | |
207 | corrected = 1; | |
208 | data = swap64(0x0000000000000084ull); | |
209 | } | |
210 | } | |
211 | if(req == 5) | |
212 | printf("%lld NIU MODEL W: PA:%llx Data:%llx\n", sc_time_stamp().value(), pa, data); | |
213 | else | |
214 | printf("%lld NIU MODEL R: PA:%llx\n", sc_time_stamp().value(), pa); | |
215 | ||
216 | fflush(stdout); | |
217 | ||
218 | if(!corrected) { | |
219 | if(req == 5) { | |
220 | AccessData *adata = new AccessData; | |
221 | adata->pa = pa; | |
222 | adata->pl = data; | |
223 | thread_t tid; | |
224 | int ret = thr_create(NULL, NULL, niu_write_access_thread, adata, THR_DETACHED , &tid); | |
225 | if(ret != 0) { | |
226 | printf("NIU Write access thread creation failed!\n\n"); | |
227 | } | |
228 | } else { | |
229 | int res = niu_access(0, modptr, pa, mmi_false, 8, &data, 0); | |
230 | if(res == 1) { | |
231 | printf("Error in niu_access function!: %d\n",res); | |
232 | } | |
233 | } | |
234 | } | |
235 | ||
236 | if(req == 4) { | |
237 | fprintf(stdout,"Read Data=0x%llx\n\n",data); | |
238 | mem[2] = data & 0xffffffff; | |
239 | mem[3] = (data >> 32) & 0xffffffff; | |
240 | } | |
241 | ||
242 | } | |
243 | ||
244 |