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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: system.h | |
5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. | |
7 | * | |
8 | * The above named program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public | |
10 | * License version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * The above named program is distributed in the hope that it will be | |
13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public | |
18 | * License along with this work; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
20 | * | |
21 | * ========== Copyright Header End ============================================ | |
22 | */ | |
23 | /* | |
24 | * Copyright (C) 2001, 2005 Sun Microsystems, Inc. | |
25 | * All rights reserved. | |
26 | */ | |
27 | ||
28 | ||
29 | #ifndef _SYSTEM_H | |
30 | #define _SYSTEM_H | |
31 | ||
32 | ||
33 | #include "types.h" | |
34 | ||
35 | #include "cpu_interface.h" | |
36 | ||
37 | ||
38 | typedef Vcpu cpuT; | |
39 | typedef VCPU_InterruptRequest intrT; | |
40 | ||
41 | ||
42 | void SYSTEM_init (); | |
43 | void * SYSTEM_is_ready (); | |
44 | ||
45 | ||
46 | void SYSTEM_main(void); | |
47 | ||
48 | ||
49 | FILE * SYSTEM_fopen (const char * filename, const char * flags); | |
50 | int SYSTEM_open (const char * filename, int oflag); | |
51 | void init_SYSTEM_open (); | |
52 | ||
53 | ||
54 | // | |
55 | // External API mostly for loadable modules | |
56 | // | |
57 | #ifdef __cplusplus | |
58 | extern "C" { | |
59 | #endif | |
60 | #if 0 | |
61 | } | |
62 | #endif | |
63 | ||
64 | #ifdef NIAGARA | |
65 | void SYSTEM_interrupt_by_vector (uint32_t tid, uint32_t vnum); | |
66 | #endif | |
67 | ||
68 | bool_t SYSTEM_chplus_mmu (); | |
69 | bool_t SYSTEM_is_serengeti(); | |
70 | bool_t SYSTEM_is_480R(); | |
71 | uint8_t SYSTEM_get_nic_num(); | |
72 | uint8_t SYSTEM_get_dc_num(); | |
73 | uint64_t SYSTEM_get_globaltick (); | |
74 | void SYSTEM_increment_time (); | |
75 | uint64_t SYSTEM_get_globaltick_per_cpu (); | |
76 | uint64_t SYSTEM_get_globaltick_per_core (uint32_t cores); | |
77 | uint32_t SYSTEM_get_ncpu (); | |
78 | uint32_t SYSTEM_get_ncores(); | |
79 | char * SYSTEM_get_version (); | |
80 | double SYSTEM_get_versionnum (); | |
81 | const char* SYSTEM_get_ramsizeS(); | |
82 | int SYSTEM_get_tlbsize(); | |
83 | const char* SYSTEM_get_mmutypeS(); | |
84 | const char* SYSTEM_get_cputypeS(); | |
85 | uint64_t SYSTEM_get_cpufreq(); | |
86 | uint64_t SYSTEM_get_stickfreq(); | |
87 | int SYSTEM_get_diskdelay(); | |
88 | int SYSTEM_get_loopticks(); | |
89 | int SYSTEM_get_stickincr(); | |
90 | int SYSTEM_get_numthreads(); | |
91 | int SYSTEM_get_cpus_per_thread(); | |
92 | int SYSTEM_get_skipmp(); | |
93 | int SYSTEM_get_blockmp(); | |
94 | int SYSTEM_get_wrdiskdelay(); | |
95 | bool_t SYSTEM_get_ce_enable_flag(); | |
96 | void SYSTEM_set_ce_enable_flag(bool_t flag); | |
97 | bool_t SYSTEM_get_scsi_disk_enable_flag(); | |
98 | void SYSTEM_set_scsi_disk_enable_flag(bool_t flag); | |
99 | void SYSTEM_set_boot_aid_bus(unsigned char aid, unsigned char bus); // cchen | |
100 | bool_t SYSTEM_get_scsi_boot_enable_flag(); | |
101 | void SYSTEM_set_scsi_boot_enable_flag(bool_t flag); | |
102 | bool_t SYSTEM_get_fc_disk_enable_flag(); | |
103 | void SYSTEM_set_fc_disk_enable_flag(bool_t flag); | |
104 | bool_t SYSTEM_get_fc_boot_enable_flag(); | |
105 | void SYSTEM_set_fc_boot_enable_flag(bool_t flag); | |
106 | int SYSTEM_get_nwins(); | |
107 | const char* SYSTEM_get_infostr (); | |
108 | void SYSTEM_free_intr (intrT *); | |
109 | ||
110 | ||
111 | ||
112 | /* ------ specifically for ui-thread ------ */ | |
113 | void SYSTEM_stop_UI (); | |
114 | void SYSTEM_run_UI (); | |
115 | void SYSTEM_stepi_UI (int64_t ni); | |
116 | void SYSTEM_stepc_UI (int64_t nc); | |
117 | typedef void (*doneftn_t)(void *); | |
118 | void SYSTEM_stept_UI (int64_t usecs, int64_t seqnum, doneftn_t callback); | |
119 | void SYSTEM_syncon_UI (); | |
120 | void SYSTEM_syncoff_UI (); | |
121 | ||
122 | void SYSTEM_lock_UI (); | |
123 | void SYSTEM_unlock_UI (); | |
124 | ||
125 | // simulate nusecs time of cpu | |
126 | void SYSTEM_kick_usecs (int64_t nusecs); | |
127 | // simulate ninstr number of instructions | |
128 | void SYSTEM_kick_instrs (int64_t ninstrs); | |
129 | ||
130 | void SYSTEM_kick_cycles(int64_t ncycles); | |
131 | ||
132 | void SYSTEM_wait_worker_threads (); | |
133 | // get the global system simulated time in usecs | |
134 | uint64_t SYSTEM_get_global_time(); | |
135 | int64_t SYSTEM_get_ticks(); | |
136 | void SYSTEM_kick_with_callback (int64_t ninstrs, doneftn_t callback); | |
137 | ||
138 | void SYSTEM_quit_UI(); | |
139 | ||
140 | void SYSTEM_quit(); // should be deleted.?. | |
141 | void SYSTEM_stop(); // should be deleted.!!!. | |
142 | ||
143 | bool_t SYSTEM_is_stopped (); // these three are mutually exclusive | |
144 | bool_t SYSTEM_is_running (); // and taken together are complete. | |
145 | bool_t SYSTEM_is_notready (); // ie initialization not yet done. | |
146 | ||
147 | ||
148 | ||
149 | void SYSTEM_dump (FILE*); | |
150 | bool_t SYSTEM_restore (FILE*); | |
151 | void SYSTEM_unlock (); | |
152 | ||
153 | void SYSTEM_cycle_delay (uint32_t cpuid, uint32_t delay); | |
154 | ||
155 | ||
156 | uint64_t SYSTEM_get_ireg (cpuT *sp, int wp, int regnum); | |
157 | uint64_t SYSTEM_get_freg (cpuT *sp, int issingle, int regnum); | |
158 | ||
159 | ||
160 | // Is being called when other CPU or SCHIZO(IO) are going to interrupt | |
161 | // target CPU (dst_cpu) | |
162 | void SYSTEM_interrupt_by_sid(int dst_aid, int src_aid, intrT *intr); | |
163 | ||
164 | // SYSTEM_cpu_by_sid gets the cpu pointer by system id (sid). sid is | |
165 | // the platforms view of the cpu id which may or may not be sequantial | |
166 | cpuT *SYSTEM_cpu_by_sid(int n); | |
167 | ||
168 | ||
169 | // Is being called from inside CPU (CPU_cycle) for periodic external | |
170 | // interrupts handling | |
171 | void SYSTEM_cpu_interrupt_queue_process(int mid); | |
172 | void SYSTEM_init_cmp_mod(bool_t restore, char * restore_dir); | |
173 | void SYSTEM_init_cpu (bool_t restore, char * restore_dir); | |
174 | ||
175 | ||
176 | // physical I/O access from cpu to I/O modules | |
177 | int SYSTEM_physio_access (uint32_t cpuid, void* obj, uint64_t paddr, bool_t wr, uint32_t size, uint64_t* buf, uint8_t bytemask=PHYSIO_BYTEMASK_ALL); | |
178 | ||
179 | // serial console | |
180 | uint64_t SYSTEM_serial_fake_in (cpuT *sp); | |
181 | void SYSTEM_serial_fake_out (cpuT *sp, char c); | |
182 | ||
183 | void SYSTEM_set_pc (uint32_t cpuid, uint64_t pc); | |
184 | void SYSTEM_set_npc (uint32_t cpuid, uint64_t npc); | |
185 | ||
186 | ||
187 | bool_t SYSTEM_is_exec_thrd (); | |
188 | ||
189 | ||
190 | ||
191 | /*timesync ------------------------------------------------------------- */ | |
192 | ||
193 | typedef enum { // Whence simulated time is measured from | |
194 | TW_CURRENT, // time since boot | |
195 | TW_INTERVAL, // time since last global-sync-interval started | |
196 | TW_MARK, // the time at which global-sync-interval started | |
197 | TW_LENGTH // the length of the current global-sync-interval | |
198 | } timewhence_t; | |
199 | ||
200 | ||
201 | // in MICROSECS simulated time | |
202 | sint64_t SYSTEM_get_time (timewhence_t whence = TW_CURRENT); | |
203 | ||
204 | ||
205 | ||
206 | void SYSTEM_mark_intervalstart (sint64_t intervallength); | |
207 | void SYSTEM_mark_intervalstop (); | |
208 | ||
209 | sint64_t SYSTEM_get_sequencenum (); // current global-time-sync interval # | |
210 | ||
211 | bool SYSTEM_is_sync_on(); | |
212 | ||
213 | sint64_t SYSTEM_usecs2cycles (sint64_t); | |
214 | sint64_t SYSTEM_usecs2sticks (sint64_t); | |
215 | ||
216 | ||
217 | ||
218 | ||
219 | typedef void (EventFunc_T)(void * arg1, void * arg2); | |
220 | typedef void (UnloadFunc_T)(sint64_t stime, void * arg1, void * arg2); | |
221 | ||
222 | void SYSTEM_register_event ( | |
223 | uint64_t stime, /* microsecs, simulated time */ | |
224 | EventFunc_T * callback, void * arg1, void * arg2, | |
225 | UnloadFunc_T * unloadfunc, | |
226 | const char * debugstring); | |
227 | ||
228 | ||
229 | /* --------------------------------------------------------------------- */ | |
230 | ||
231 | ||
232 | ||
233 | ||
234 | /* cpu-worker-threads for mp-on-mp -------------------------------------- */ | |
235 | void SYSTEM_wait_worker_threads (); | |
236 | /* --------------------------------------------------------------------- */ | |
237 | ||
238 | ||
239 | ||
240 | ||
241 | /* hostconfig ----------------------------------------------------------- */ | |
242 | // returns config-value, given config-name, simple dictionary/map lookup. | |
243 | extern const char * SYSTEM_get_hostconfig (const char * configname); | |
244 | // | |
245 | extern bool_t SYSTEM_isset_hostconfig (const char * configname); | |
246 | // used by ... to initially record the hostconfig info | |
247 | extern void SYSTEM_set_hostconfig (const char * configname, const char * configvalue); | |
248 | ||
249 | ||
250 | // get number-of-cpus available in underlying host system | |
251 | extern int HOSTINFO_numcpus(); | |
252 | /* hostconfig ---------------------------------------------------------- */ | |
253 | ||
254 | ||
255 | ||
256 | ||
257 | ||
258 | ||
259 | ||
260 | #if 0 | |
261 | { | |
262 | #endif | |
263 | #ifdef __cplusplus | |
264 | } | |
265 | #endif | |
266 | ||
267 | ||
268 | ||
269 | ||
270 | void SYSTEM_set_extend_ready (); | |
271 | void SYSTEM_set_extend_not_ready (); | |
272 | ||
273 | // | |
274 | // Diskdelay SCSI module support | |
275 | // | |
276 | ||
277 | void SYSTEM_register_dd_handlers ( void * fn1, void * fn2); | |
278 | ||
279 | // | |
280 | // start/stop mechanizm for different threads | |
281 | // (clean dump/restore and other stuff) | |
282 | // | |
283 | typedef void (*ss_action) (void*); | |
284 | extern void SYSTEM_ss_register (ss_action, ss_action, void*); | |
285 | extern void SYSTEM_ss_unregister (void*); | |
286 | ||
287 | ||
288 | // | |
289 | // Misc functions | |
290 | // | |
291 | //extern uint64_t SYSTEM_get_int_property (cpuT *sp, uint64_t vaddr); | |
292 | ||
293 | extern uint64_t SYSTEM_get_goodtrap_pc(); | |
294 | extern uint64_t SYSTEM_get_badtrap_pc(); | |
295 | extern void SYSTEM_set_goodtrap_pc(uint64_t); | |
296 | extern void SYSTEM_set_badtrap_pc(uint64_t); | |
297 | ||
298 | extern sint64_t SYSTEM_Sticks2usecs (sint64_t sticks); | |
299 | extern sint64_t SYSTEM_Ticks2usecs (sint64_t ticks); | |
300 | ||
301 | void SYSTEM_set_memreserve (bool_t flag); | |
302 | bool_t SYSTEM_get_memreserve(); | |
303 | ||
304 | int SYSTEM_in_execution_driven_mode(); | |
305 | void SYSTEM_enable_execution_driven_mode(); | |
306 | void SYSTEM_disable_execution_driven_mode(); | |
307 | ||
308 | ||
309 | #endif /* _SYSTEM_H */ |