1 |
/* |
2 |
* Cisco router simulation platform. |
3 |
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* Generic Cisco 2691 routines and definitions (EEPROM,...). |
6 |
*/ |
7 |
|
8 |
#include <stdio.h> |
9 |
#include <stdlib.h> |
10 |
#include <string.h> |
11 |
#include <unistd.h> |
12 |
#include <sys/types.h> |
13 |
#include <assert.h> |
14 |
|
15 |
#include "cpu.h" |
16 |
#include "vm.h" |
17 |
#include "dynamips.h" |
18 |
#include "memory.h" |
19 |
#include "device.h" |
20 |
#include "pci_io.h" |
21 |
#include "dev_gt.h" |
22 |
#include "cisco_eeprom.h" |
23 |
#include "dev_rom.h" |
24 |
#include "dev_c2691.h" |
25 |
#include "dev_c2691_iofpga.h" |
26 |
#include "dev_vtty.h" |
27 |
#include "registry.h" |
28 |
|
29 |
/* ======================================================================== */ |
30 |
/* EEPROM definitions */ |
31 |
/* ======================================================================== */ |
32 |
|
33 |
/* Cisco 2691 mainboard EEPROM */ |
34 |
static m_uint16_t eeprom_c2691_mainboard_data[] = { |
35 |
0x04FF, 0xC18B, 0x5858, 0x5858, 0x5858, 0x5858, 0x5858, 0x5809, |
36 |
0x6640, 0x0258, 0xC046, 0x0320, 0x0025, 0x9002, 0x4246, 0x3085, |
37 |
0x1C10, 0x8206, 0x80FF, 0xFFFF, 0xFFC4, 0x08FF, 0xFFFF, 0xFFFF, |
38 |
0xFFFF, 0xFF81, 0xFFFF, 0xFFFF, 0x03FF, 0x04FF, 0xC28B, 0x5858, |
39 |
0x5858, 0x5858, 0x5858, 0x5858, 0x58C3, 0x0600, 0x1280, 0xD387, |
40 |
0xC043, 0x0020, 0xC508, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x4100, |
41 |
0x0101, 0x01FF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
42 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
43 |
}; |
44 |
|
45 |
struct cisco_eeprom eeprom_c2691_mainboard = { |
46 |
"C2691 Backplane", |
47 |
eeprom_c2691_mainboard_data, |
48 |
sizeof(eeprom_c2691_mainboard_data)/2, |
49 |
}; |
50 |
|
51 |
/* ======================================================================== */ |
52 |
/* Network Module Drivers */ |
53 |
/* ======================================================================== */ |
54 |
static struct c2691_nm_driver *nm_drivers[] = { |
55 |
&dev_c2691_nm_1fe_tx_driver, |
56 |
&dev_c2691_nm_16esw_driver, |
57 |
&dev_c2691_gt96100_fe_driver, |
58 |
&dev_c2691_nm_4t_driver, |
59 |
NULL, |
60 |
}; |
61 |
|
62 |
/* ======================================================================== */ |
63 |
/* Cisco 2691 router instances */ |
64 |
/* ======================================================================== */ |
65 |
|
66 |
/* Directly extract the configuration from the NVRAM device */ |
67 |
ssize_t c2691_nvram_extract_config(vm_instance_t *vm,char **buffer) |
68 |
{ |
69 |
u_char *base_ptr,*ios_ptr,*cfg_ptr,*end_ptr; |
70 |
m_uint32_t start,nvlen; |
71 |
m_uint16_t magic1,magic2; |
72 |
struct vdevice *nvram_dev; |
73 |
off_t nvram_size; |
74 |
int fd; |
75 |
|
76 |
if ((nvram_dev = dev_get_by_name(vm,"rom"))) |
77 |
dev_sync(nvram_dev); |
78 |
|
79 |
fd = vm_mmap_open_file(vm,"rom",&base_ptr,&nvram_size); |
80 |
|
81 |
if (fd == -1) |
82 |
return(-1); |
83 |
|
84 |
ios_ptr = base_ptr + C2691_NVRAM_OFFSET; |
85 |
end_ptr = base_ptr + nvram_size; |
86 |
|
87 |
if ((ios_ptr + 0x30) >= end_ptr) { |
88 |
vm_error(vm,"NVRAM file too small\n"); |
89 |
return(-1); |
90 |
} |
91 |
|
92 |
magic1 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06)); |
93 |
magic2 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08)); |
94 |
|
95 |
if ((magic1 != 0xF0A5) || (magic2 != 0xABCD)) { |
96 |
vm_error(vm,"unable to find IOS magic numbers (0x%x,0x%x)!\n", |
97 |
magic1,magic2); |
98 |
return(-1); |
99 |
} |
100 |
|
101 |
start = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10)) + 1; |
102 |
nvlen = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18)); |
103 |
|
104 |
if (!(*buffer = malloc(nvlen+1))) { |
105 |
vm_error(vm,"unable to allocate config buffer (%u bytes)\n",nvlen); |
106 |
return(-1); |
107 |
} |
108 |
|
109 |
cfg_ptr = ios_ptr + start + 0x08; |
110 |
|
111 |
if ((cfg_ptr + nvlen) > end_ptr) { |
112 |
vm_error(vm,"NVRAM file too small\n"); |
113 |
return(-1); |
114 |
} |
115 |
|
116 |
memcpy(*buffer,cfg_ptr,nvlen-1); |
117 |
(*buffer)[nvlen-1] = 0; |
118 |
return(nvlen-1); |
119 |
} |
120 |
|
121 |
static int c2691_nvram_push_config_part(vm_instance_t *vm, |
122 |
char *buffer,size_t len, |
123 |
u_char *ios_ptr) |
124 |
{ |
125 |
m_uint32_t cfg_offset,cklen,tmp; |
126 |
m_uint16_t cksum; |
127 |
u_char *cfg_ptr; |
128 |
|
129 |
cfg_offset = 0x2c; |
130 |
cfg_ptr = ios_ptr + cfg_offset; |
131 |
|
132 |
/* Write IOS tag, uncompressed config... */ |
133 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06) = htons(0xF0A5); |
134 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08) = htons(0xABCD); |
135 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0a) = htons(0x0001); |
136 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(0x0000); |
137 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0e) = htons(0x0c04); |
138 |
|
139 |
/* Store file contents to NVRAM */ |
140 |
memcpy(cfg_ptr,buffer,len); |
141 |
|
142 |
/* Write config addresses + size */ |
143 |
tmp = cfg_offset - 0x08; |
144 |
|
145 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10) = htonl(tmp); |
146 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x14) = htonl(tmp + len); |
147 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18) = htonl(len); |
148 |
|
149 |
/* Compute the checksum */ |
150 |
cklen = C2691_NVRAM_SIZE - 0x08; |
151 |
cksum = nvram_cksum((m_uint16_t *)(ios_ptr+0x08),cklen); |
152 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(cksum); |
153 |
return(0); |
154 |
} |
155 |
|
156 |
/* Directly push the IOS configuration to the NVRAM device */ |
157 |
int c2691_nvram_push_config(vm_instance_t *vm,char *buffer,size_t len) |
158 |
{ |
159 |
u_char *base_ptr,*ios_ptr; |
160 |
int fd; |
161 |
|
162 |
fd = vm_mmap_create_file(vm,"rom",vm->rom_size*1048576,&base_ptr); |
163 |
|
164 |
if (fd == -1) |
165 |
return(-1); |
166 |
|
167 |
ios_ptr = base_ptr + C2691_NVRAM_OFFSET; |
168 |
|
169 |
/* Normal config */ |
170 |
c2691_nvram_push_config_part(vm,buffer,len,ios_ptr); |
171 |
|
172 |
/* Backup config */ |
173 |
c2691_nvram_push_config_part(vm,buffer,len,ios_ptr + C2691_NVRAM_SIZE); |
174 |
|
175 |
vm_mmap_close_file(fd,base_ptr,vm->rom_size*1048576); |
176 |
return(0); |
177 |
} |
178 |
|
179 |
/* Check for empty config */ |
180 |
int c2691_nvram_check_empty_config(vm_instance_t *vm) |
181 |
{ |
182 |
struct vdevice *rom_dev; |
183 |
m_uint64_t addr; |
184 |
size_t len; |
185 |
|
186 |
if (!(rom_dev = dev_get_by_name(vm,"rom"))) |
187 |
return(-1); |
188 |
|
189 |
addr = rom_dev->phys_addr + C2691_NVRAM_OFFSET; |
190 |
len = C2691_NVRAM_SIZE; |
191 |
|
192 |
while(len > 0) { |
193 |
if (physmem_copy_u32_from_vm(vm,addr) != 0) |
194 |
return(0); |
195 |
|
196 |
addr += sizeof(m_uint32_t); |
197 |
len -= sizeof(m_uint32_t); |
198 |
} |
199 |
|
200 |
/* Empty NVRAM */ |
201 |
vm->conf_reg |= 0x0040; |
202 |
printf("NVRAM is empty, setting config register to 0x%x\n",vm->conf_reg); |
203 |
return(0); |
204 |
} |
205 |
|
206 |
/* Create a new router instance */ |
207 |
c2691_t *c2691_create_instance(char *name,int instance_id) |
208 |
{ |
209 |
c2691_t *router; |
210 |
|
211 |
if (!(router = malloc(sizeof(*router)))) { |
212 |
fprintf(stderr,"C2691 '%s': Unable to create new instance!\n",name); |
213 |
return NULL; |
214 |
} |
215 |
|
216 |
memset(router,0,sizeof(*router)); |
217 |
|
218 |
if (!(router->vm = vm_create(name,instance_id,VM_TYPE_C2691))) { |
219 |
fprintf(stderr,"C2691 '%s': unable to create VM instance!\n",name); |
220 |
goto err_vm; |
221 |
} |
222 |
|
223 |
c2691_init_defaults(router); |
224 |
router->vm->hw_data = router; |
225 |
return router; |
226 |
|
227 |
err_vm: |
228 |
free(router); |
229 |
return NULL; |
230 |
} |
231 |
|
232 |
/* Free resources used by a router instance */ |
233 |
static int c2691_free_instance(void *data,void *arg) |
234 |
{ |
235 |
vm_instance_t *vm = data; |
236 |
c2691_t *router; |
237 |
int i; |
238 |
|
239 |
if (vm->type == VM_TYPE_C2691) { |
240 |
router = VM_C2691(vm); |
241 |
|
242 |
/* Stop all CPUs */ |
243 |
if (vm->cpu_group != NULL) { |
244 |
vm_stop(vm); |
245 |
|
246 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
247 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
248 |
return(FALSE); |
249 |
} |
250 |
} |
251 |
|
252 |
/* Remove NIO bindings */ |
253 |
for(i=0;i<C2691_MAX_NM_BAYS;i++) |
254 |
c2691_nm_remove_all_nio_bindings(router,i); |
255 |
|
256 |
/* Shutdown all Network Modules */ |
257 |
c2691_nm_shutdown_all(router); |
258 |
|
259 |
/* Free mainboard EEPROM */ |
260 |
cisco_eeprom_free(&router->mb_eeprom); |
261 |
|
262 |
/* Free all resources used by VM */ |
263 |
vm_free(vm); |
264 |
|
265 |
/* Free the router structure */ |
266 |
free(router); |
267 |
return(TRUE); |
268 |
} |
269 |
|
270 |
return(FALSE); |
271 |
} |
272 |
|
273 |
/* Delete a router instance */ |
274 |
int c2691_delete_instance(char *name) |
275 |
{ |
276 |
return(registry_delete_if_unused(name,OBJ_TYPE_VM, |
277 |
c2691_free_instance,NULL)); |
278 |
} |
279 |
|
280 |
/* Delete all router instances */ |
281 |
int c2691_delete_all_instances(void) |
282 |
{ |
283 |
return(registry_delete_type(OBJ_TYPE_VM,c2691_free_instance,NULL)); |
284 |
} |
285 |
|
286 |
/* Save configuration of a C2691 instance */ |
287 |
void c2691_save_config(c2691_t *router,FILE *fd) |
288 |
{ |
289 |
vm_instance_t *vm = router->vm; |
290 |
struct c2691_nio_binding *nb; |
291 |
struct c2691_nm_bay *bay; |
292 |
int i; |
293 |
|
294 |
/* General settings */ |
295 |
fprintf(fd,"c2691 create %s %u\n",vm->name,vm->instance_id); |
296 |
|
297 |
/* VM configuration */ |
298 |
vm_save_config(vm,fd); |
299 |
|
300 |
/* Network Module settings */ |
301 |
for(i=0;i<C2691_MAX_NM_BAYS;i++) { |
302 |
if (!(bay = c2691_nm_get_info(router,i))) |
303 |
continue; |
304 |
|
305 |
if (bay->dev_type) { |
306 |
fprintf(fd,"c2691 add_nm_binding %s %u %s\n", |
307 |
vm->name,i,bay->dev_type); |
308 |
} |
309 |
|
310 |
for(nb=bay->nio_list;nb;nb=nb->next) { |
311 |
fprintf(fd,"c2691 add_nio_binding %s %u %u %s\n", |
312 |
vm->name,i,nb->port_id,nb->nio->name); |
313 |
} |
314 |
} |
315 |
|
316 |
fprintf(fd,"\n"); |
317 |
} |
318 |
|
319 |
/* Save configurations of all C2691 instances */ |
320 |
static void c2691_reg_save_config(registry_entry_t *entry,void *opt,int *err) |
321 |
{ |
322 |
vm_instance_t *vm = entry->data; |
323 |
c2691_t *router = VM_C2691(vm); |
324 |
|
325 |
if (vm->type == VM_TYPE_C2691) |
326 |
c2691_save_config(router,(FILE *)opt); |
327 |
} |
328 |
|
329 |
void c2691_save_config_all(FILE *fd) |
330 |
{ |
331 |
registry_foreach_type(OBJ_TYPE_VM,c2691_reg_save_config,fd,NULL); |
332 |
} |
333 |
|
334 |
/* Get slot/port corresponding to specified network IRQ */ |
335 |
static inline void |
336 |
c2691_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) |
337 |
{ |
338 |
irq -= C2691_NETIO_IRQ_BASE; |
339 |
*port = irq & C2691_NETIO_IRQ_PORT_MASK; |
340 |
*slot = irq >> C2691_NETIO_IRQ_PORT_BITS; |
341 |
} |
342 |
|
343 |
/* Get network IRQ for specified slot/port */ |
344 |
u_int c2691_net_irq_for_slot_port(u_int slot,u_int port) |
345 |
{ |
346 |
u_int irq; |
347 |
|
348 |
irq = (slot << C2691_NETIO_IRQ_PORT_BITS) + port; |
349 |
irq += C2691_NETIO_IRQ_BASE; |
350 |
|
351 |
return(irq); |
352 |
} |
353 |
|
354 |
/* Set NM EEPROM definition */ |
355 |
int c2691_nm_set_eeprom(c2691_t *router,u_int nm_bay, |
356 |
const struct cisco_eeprom *eeprom) |
357 |
{ |
358 |
if (nm_bay != 1) { |
359 |
vm_error(router->vm,"c2691_nm_set_eeprom: invalid NM Bay %u.\n",nm_bay); |
360 |
return(-1); |
361 |
} |
362 |
|
363 |
if (cisco_eeprom_copy(&router->nm_bay[nm_bay].eeprom,eeprom) == -1) { |
364 |
vm_error(router->vm,"c2691_nm_set_eeprom: no memory.\n"); |
365 |
return(-1); |
366 |
} |
367 |
|
368 |
return(0); |
369 |
} |
370 |
|
371 |
/* Unset NM EEPROM definition (empty bay) */ |
372 |
int c2691_nm_unset_eeprom(c2691_t *router,u_int nm_bay) |
373 |
{ |
374 |
if (nm_bay != 1) { |
375 |
vm_error(router->vm,"c2691_nm_set_eeprom: invalid NM Bay %u.\n",nm_bay); |
376 |
return(-1); |
377 |
} |
378 |
|
379 |
cisco_eeprom_free(&router->nm_bay[nm_bay].eeprom); |
380 |
return(0); |
381 |
} |
382 |
|
383 |
/* Check if a bay has a port adapter */ |
384 |
int c2691_nm_check_eeprom(c2691_t *router,u_int nm_bay) |
385 |
{ |
386 |
if (nm_bay != 1) |
387 |
return(FALSE); |
388 |
|
389 |
return(cisco_eeprom_valid(&router->nm_bay[nm_bay].eeprom)); |
390 |
} |
391 |
|
392 |
/* Get bay info */ |
393 |
struct c2691_nm_bay *c2691_nm_get_info(c2691_t *router,u_int nm_bay) |
394 |
{ |
395 |
if (nm_bay >= C2691_MAX_NM_BAYS) |
396 |
return NULL; |
397 |
|
398 |
return(&router->nm_bay[nm_bay]); |
399 |
} |
400 |
|
401 |
/* Get NM type */ |
402 |
char *c2691_nm_get_type(c2691_t *router,u_int nm_bay) |
403 |
{ |
404 |
struct c2691_nm_bay *bay; |
405 |
|
406 |
bay = c2691_nm_get_info(router,nm_bay); |
407 |
return((bay != NULL) ? bay->dev_type : NULL); |
408 |
} |
409 |
|
410 |
/* Get driver info about the specified slot */ |
411 |
void *c2691_nm_get_drvinfo(c2691_t *router,u_int nm_bay) |
412 |
{ |
413 |
struct c2691_nm_bay *bay; |
414 |
|
415 |
bay = c2691_nm_get_info(router,nm_bay); |
416 |
return((bay != NULL) ? bay->drv_info : NULL); |
417 |
} |
418 |
|
419 |
/* Set driver info for the specified slot */ |
420 |
int c2691_nm_set_drvinfo(c2691_t *router,u_int nm_bay,void *drv_info) |
421 |
{ |
422 |
struct c2691_nm_bay *bay; |
423 |
|
424 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
425 |
return(-1); |
426 |
|
427 |
bay->drv_info = drv_info; |
428 |
return(0); |
429 |
} |
430 |
|
431 |
/* Get a NM driver */ |
432 |
static struct c2691_nm_driver *c2691_nm_get_driver(char *dev_type) |
433 |
{ |
434 |
int i; |
435 |
|
436 |
for(i=0;nm_drivers[i];i++) |
437 |
if (!strcmp(nm_drivers[i]->dev_type,dev_type)) |
438 |
return nm_drivers[i]; |
439 |
|
440 |
return NULL; |
441 |
} |
442 |
|
443 |
/* Add a NM binding */ |
444 |
int c2691_nm_add_binding(c2691_t *router,char *dev_type,u_int nm_bay) |
445 |
{ |
446 |
struct c2691_nm_driver *nm_driver; |
447 |
struct c2691_nm_bay *bay; |
448 |
|
449 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
450 |
return(-1); |
451 |
|
452 |
/* check that this bay is empty */ |
453 |
if (bay->dev_type != NULL) { |
454 |
vm_error(router->vm,"a NM already exists in slot %u.\n",nm_bay); |
455 |
return(-1); |
456 |
} |
457 |
|
458 |
/* find the NM driver */ |
459 |
if (!(nm_driver = c2691_nm_get_driver(dev_type))) { |
460 |
vm_error(router->vm,"unknown NM type '%s'.\n",dev_type); |
461 |
return(-1); |
462 |
} |
463 |
|
464 |
bay->dev_type = nm_driver->dev_type; |
465 |
bay->nm_driver = nm_driver; |
466 |
return(0); |
467 |
} |
468 |
|
469 |
/* Remove a NM binding */ |
470 |
int c2691_nm_remove_binding(c2691_t *router,u_int nm_bay) |
471 |
{ |
472 |
struct c2691_nm_bay *bay; |
473 |
|
474 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
475 |
return(-1); |
476 |
|
477 |
/* stop if this bay is still active */ |
478 |
if (bay->drv_info != NULL) { |
479 |
vm_error(router->vm,"slot %u still active.\n",nm_bay); |
480 |
return(-1); |
481 |
} |
482 |
|
483 |
/* check that this bay is not empty */ |
484 |
if (bay->dev_type == NULL) { |
485 |
vm_error(router->vm,"slot %u is empty.\n",nm_bay); |
486 |
return(-1); |
487 |
} |
488 |
|
489 |
/* remove all NIOs bindings */ |
490 |
c2691_nm_remove_all_nio_bindings(router,nm_bay); |
491 |
|
492 |
bay->dev_type = NULL; |
493 |
bay->nm_driver = NULL; |
494 |
return(0); |
495 |
} |
496 |
|
497 |
/* Find a NIO binding */ |
498 |
struct c2691_nio_binding * |
499 |
c2691_nm_find_nio_binding(c2691_t *router,u_int nm_bay,u_int port_id) |
500 |
{ |
501 |
struct c2691_nio_binding *nb; |
502 |
struct c2691_nm_bay *bay; |
503 |
|
504 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
505 |
return NULL; |
506 |
|
507 |
for(nb=bay->nio_list;nb;nb=nb->next) |
508 |
if (nb->port_id == port_id) |
509 |
return nb; |
510 |
|
511 |
return NULL; |
512 |
} |
513 |
|
514 |
/* Add a network IO binding */ |
515 |
int c2691_nm_add_nio_binding(c2691_t *router,u_int nm_bay,u_int port_id, |
516 |
char *nio_name) |
517 |
{ |
518 |
struct c2691_nio_binding *nb; |
519 |
struct c2691_nm_bay *bay; |
520 |
netio_desc_t *nio; |
521 |
|
522 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
523 |
return(-1); |
524 |
|
525 |
/* check that a NIO is not already bound to this port */ |
526 |
if (c2691_nm_find_nio_binding(router,nm_bay,port_id) != NULL) { |
527 |
vm_error(router->vm,"a NIO already exists for interface %u/%u.\n", |
528 |
nm_bay,port_id); |
529 |
return(-1); |
530 |
} |
531 |
|
532 |
/* acquire a reference on the NIO object */ |
533 |
if (!(nio = netio_acquire(nio_name))) { |
534 |
vm_error(router->vm,"unable to find NIO '%s'.\n",nio_name); |
535 |
return(-1); |
536 |
} |
537 |
|
538 |
/* create a new binding */ |
539 |
if (!(nb = malloc(sizeof(*nb)))) { |
540 |
vm_error(router->vm,"unable to create NIO binding " |
541 |
"for interface %u/%u.\n",nm_bay,port_id); |
542 |
netio_release(nio_name); |
543 |
return(-1); |
544 |
} |
545 |
|
546 |
memset(nb,0,sizeof(*nb)); |
547 |
nb->nio = nio; |
548 |
nb->port_id = port_id; |
549 |
nb->next = bay->nio_list; |
550 |
if (nb->next) nb->next->prev = nb; |
551 |
bay->nio_list = nb; |
552 |
return(0); |
553 |
} |
554 |
|
555 |
/* Remove a NIO binding */ |
556 |
int c2691_nm_remove_nio_binding(c2691_t *router,u_int nm_bay,u_int port_id) |
557 |
{ |
558 |
struct c2691_nio_binding *nb; |
559 |
struct c2691_nm_bay *bay; |
560 |
|
561 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
562 |
return(-1); |
563 |
|
564 |
if (!(nb = c2691_nm_find_nio_binding(router,nm_bay,port_id))) |
565 |
return(-1); /* no nio binding for this slot/port */ |
566 |
|
567 |
/* tell the NM driver to stop using this NIO */ |
568 |
if (bay->nm_driver) |
569 |
bay->nm_driver->nm_unset_nio(router,nm_bay,port_id); |
570 |
|
571 |
/* remove this entry from the double linked list */ |
572 |
if (nb->next) |
573 |
nb->next->prev = nb->prev; |
574 |
|
575 |
if (nb->prev) { |
576 |
nb->prev->next = nb->next; |
577 |
} else { |
578 |
bay->nio_list = nb->next; |
579 |
} |
580 |
|
581 |
/* unreference NIO object */ |
582 |
netio_release(nb->nio->name); |
583 |
free(nb); |
584 |
return(0); |
585 |
} |
586 |
|
587 |
/* Remove all NIO bindings for the specified NM */ |
588 |
int c2691_nm_remove_all_nio_bindings(c2691_t *router,u_int nm_bay) |
589 |
{ |
590 |
struct c2691_nio_binding *nb,*next; |
591 |
struct c2691_nm_bay *bay; |
592 |
|
593 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
594 |
return(-1); |
595 |
|
596 |
for(nb=bay->nio_list;nb;nb=next) { |
597 |
next = nb->next; |
598 |
|
599 |
/* tell the NM driver to stop using this NIO */ |
600 |
if (bay->nm_driver) |
601 |
bay->nm_driver->nm_unset_nio(router,nm_bay,nb->port_id); |
602 |
|
603 |
/* unreference NIO object */ |
604 |
netio_release(nb->nio->name); |
605 |
free(nb); |
606 |
} |
607 |
|
608 |
bay->nio_list = NULL; |
609 |
return(0); |
610 |
} |
611 |
|
612 |
/* Enable a Network IO descriptor for a Network Module */ |
613 |
int c2691_nm_enable_nio(c2691_t *router,u_int nm_bay,u_int port_id) |
614 |
{ |
615 |
struct c2691_nio_binding *nb; |
616 |
struct c2691_nm_bay *bay; |
617 |
|
618 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
619 |
return(-1); |
620 |
|
621 |
/* check that we have an NIO binding for this interface */ |
622 |
if (!(nb = c2691_nm_find_nio_binding(router,nm_bay,port_id))) |
623 |
return(-1); |
624 |
|
625 |
/* check that the driver is defined and successfully initialized */ |
626 |
if (!bay->nm_driver || !bay->drv_info) |
627 |
return(-1); |
628 |
|
629 |
return(bay->nm_driver->nm_set_nio(router,nm_bay,port_id,nb->nio)); |
630 |
} |
631 |
|
632 |
/* Disable Network IO descriptor of a Network Module */ |
633 |
int c2691_nm_disable_nio(c2691_t *router,u_int nm_bay,u_int port_id) |
634 |
{ |
635 |
struct c2691_nm_bay *bay; |
636 |
|
637 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
638 |
return(-1); |
639 |
|
640 |
/* check that the driver is defined and successfully initialized */ |
641 |
if (!bay->nm_driver || !bay->drv_info) |
642 |
return(-1); |
643 |
|
644 |
return(bay->nm_driver->nm_unset_nio(router,nm_bay,port_id)); |
645 |
} |
646 |
|
647 |
/* Enable all NIO of the specified NM */ |
648 |
int c2691_nm_enable_all_nio(c2691_t *router,u_int nm_bay) |
649 |
{ |
650 |
struct c2691_nio_binding *nb; |
651 |
struct c2691_nm_bay *bay; |
652 |
|
653 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
654 |
return(-1); |
655 |
|
656 |
/* check that the driver is defined and successfully initialized */ |
657 |
if (!bay->nm_driver || !bay->drv_info) |
658 |
return(-1); |
659 |
|
660 |
for(nb=bay->nio_list;nb;nb=nb->next) |
661 |
bay->nm_driver->nm_set_nio(router,nm_bay,nb->port_id,nb->nio); |
662 |
|
663 |
return(0); |
664 |
} |
665 |
|
666 |
/* Disable all NIO of the specified NM */ |
667 |
int c2691_nm_disable_all_nio(c2691_t *router,u_int nm_bay) |
668 |
{ |
669 |
struct c2691_nio_binding *nb; |
670 |
struct c2691_nm_bay *bay; |
671 |
|
672 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
673 |
return(-1); |
674 |
|
675 |
/* check that the driver is defined and successfully initialized */ |
676 |
if (!bay->nm_driver || !bay->drv_info) |
677 |
return(-1); |
678 |
|
679 |
for(nb=bay->nio_list;nb;nb=nb->next) |
680 |
bay->nm_driver->nm_unset_nio(router,nm_bay,nb->port_id); |
681 |
|
682 |
return(0); |
683 |
} |
684 |
|
685 |
/* Initialize a Network Module */ |
686 |
int c2691_nm_init(c2691_t *router,u_int nm_bay) |
687 |
{ |
688 |
struct c2691_nm_bay *bay; |
689 |
size_t len; |
690 |
|
691 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
692 |
return(-1); |
693 |
|
694 |
/* Check that a device type is defined for this bay */ |
695 |
if (!bay->dev_type || !bay->nm_driver) { |
696 |
vm_error(router->vm,"trying to init empty slot %u.\n",nm_bay); |
697 |
return(-1); |
698 |
} |
699 |
|
700 |
/* Allocate device name */ |
701 |
len = strlen(bay->dev_type) + 10; |
702 |
if (!(bay->dev_name = malloc(len))) { |
703 |
vm_error(router->vm,"unable to allocate device name.\n"); |
704 |
return(-1); |
705 |
} |
706 |
|
707 |
snprintf(bay->dev_name,len,"%s(%u)",bay->dev_type,nm_bay); |
708 |
|
709 |
/* Initialize NM driver */ |
710 |
if (bay->nm_driver->nm_init(router,bay->dev_name,nm_bay) == -1) { |
711 |
vm_error(router->vm,"unable to initialize NM %u.\n",nm_bay); |
712 |
return(-1); |
713 |
} |
714 |
|
715 |
/* Enable all NIO */ |
716 |
c2691_nm_enable_all_nio(router,nm_bay); |
717 |
return(0); |
718 |
} |
719 |
|
720 |
/* Shutdown a Network Module */ |
721 |
int c2691_nm_shutdown(c2691_t *router,u_int nm_bay) |
722 |
{ |
723 |
struct c2691_nm_bay *bay; |
724 |
|
725 |
if (!(bay = c2691_nm_get_info(router,nm_bay))) |
726 |
return(-1); |
727 |
|
728 |
/* Check that a device type is defined for this bay */ |
729 |
if (!bay->dev_type || !bay->nm_driver) { |
730 |
vm_error(router->vm,"trying to shut down empty slot %u.\n",nm_bay); |
731 |
return(-1); |
732 |
} |
733 |
|
734 |
/* Disable all NIO */ |
735 |
c2691_nm_disable_all_nio(router,nm_bay); |
736 |
|
737 |
/* Shutdown the NM driver */ |
738 |
if (bay->drv_info && (bay->nm_driver->nm_shutdown(router,nm_bay) == -1)) { |
739 |
vm_error(router->vm,"unable to shutdown NM %u.\n",nm_bay); |
740 |
return(-1); |
741 |
} |
742 |
|
743 |
free(bay->dev_name); |
744 |
bay->dev_name = NULL; |
745 |
bay->drv_info = NULL; |
746 |
return(0); |
747 |
} |
748 |
|
749 |
/* Shutdown all NM of a router */ |
750 |
int c2691_nm_shutdown_all(c2691_t *router) |
751 |
{ |
752 |
int i; |
753 |
|
754 |
for(i=0;i<C2691_MAX_NM_BAYS;i++) { |
755 |
if (!router->nm_bay[i].dev_type) |
756 |
continue; |
757 |
|
758 |
c2691_nm_shutdown(router,i); |
759 |
} |
760 |
|
761 |
return(0); |
762 |
} |
763 |
|
764 |
/* Show info about all NMs */ |
765 |
int c2691_nm_show_all_info(c2691_t *router) |
766 |
{ |
767 |
struct c2691_nm_bay *bay; |
768 |
int i; |
769 |
|
770 |
for(i=0;i<C2691_MAX_NM_BAYS;i++) { |
771 |
if (!(bay = c2691_nm_get_info(router,i)) || !bay->nm_driver) |
772 |
continue; |
773 |
|
774 |
if (bay->nm_driver->nm_show_info != NULL) |
775 |
bay->nm_driver->nm_show_info(router,i); |
776 |
} |
777 |
|
778 |
return(0); |
779 |
} |
780 |
|
781 |
/* Maximum number of tokens in a NM description */ |
782 |
#define NM_DESC_MAX_TOKENS 8 |
783 |
|
784 |
/* Create a Network Module (command line) */ |
785 |
int c2691_cmd_nm_create(c2691_t *router,char *str) |
786 |
{ |
787 |
char *tokens[NM_DESC_MAX_TOKENS]; |
788 |
int i,count,res; |
789 |
u_int nm_bay; |
790 |
|
791 |
/* A port adapter description is like "1:NM-1FE" */ |
792 |
if ((count = m_strsplit(str,':',tokens,NM_DESC_MAX_TOKENS)) != 2) { |
793 |
vm_error(router->vm,"unable to parse NM description '%s'.\n",str); |
794 |
return(-1); |
795 |
} |
796 |
|
797 |
/* Parse the NM bay id */ |
798 |
nm_bay = atoi(tokens[0]); |
799 |
|
800 |
/* Add this new NM to the current NM list */ |
801 |
res = c2691_nm_add_binding(router,tokens[1],nm_bay); |
802 |
|
803 |
/* The complete array was cleaned by strsplit */ |
804 |
for(i=0;i<NM_DESC_MAX_TOKENS;i++) |
805 |
free(tokens[i]); |
806 |
|
807 |
return(res); |
808 |
} |
809 |
|
810 |
/* Add a Network IO descriptor binding (command line) */ |
811 |
int c2691_cmd_add_nio(c2691_t *router,char *str) |
812 |
{ |
813 |
char *tokens[NM_DESC_MAX_TOKENS]; |
814 |
int i,count,nio_type,res=-1; |
815 |
u_int nm_bay,port_id; |
816 |
netio_desc_t *nio; |
817 |
char nio_name[128]; |
818 |
|
819 |
/* A port adapter description is like "1:3:tap:tap0" */ |
820 |
if ((count = m_strsplit(str,':',tokens,NM_DESC_MAX_TOKENS)) < 3) { |
821 |
vm_error(router->vm,"unable to parse NIO description '%s'.\n",str); |
822 |
return(-1); |
823 |
} |
824 |
|
825 |
/* Parse the NM bay */ |
826 |
nm_bay = atoi(tokens[0]); |
827 |
|
828 |
/* Parse the NM port id */ |
829 |
port_id = atoi(tokens[1]); |
830 |
|
831 |
/* Autogenerate a NIO name */ |
832 |
snprintf(nio_name,sizeof(nio_name),"c2691-i%u/%u/%u", |
833 |
router->vm->instance_id,nm_bay,port_id); |
834 |
|
835 |
/* Create the Network IO descriptor */ |
836 |
nio = NULL; |
837 |
nio_type = netio_get_type(tokens[2]); |
838 |
|
839 |
switch(nio_type) { |
840 |
case NETIO_TYPE_UNIX: |
841 |
if (count != 5) { |
842 |
vm_error(router->vm, |
843 |
"invalid number of arguments for UNIX NIO '%s'\n",str); |
844 |
goto done; |
845 |
} |
846 |
|
847 |
nio = netio_desc_create_unix(nio_name,tokens[3],tokens[4]); |
848 |
break; |
849 |
|
850 |
case NETIO_TYPE_VDE: |
851 |
if (count != 5) { |
852 |
vm_error(router->vm, |
853 |
"invalid number of arguments for VDE NIO '%s'\n",str); |
854 |
goto done; |
855 |
} |
856 |
|
857 |
nio = netio_desc_create_vde(nio_name,tokens[3],tokens[4]); |
858 |
break; |
859 |
|
860 |
case NETIO_TYPE_TAP: |
861 |
if (count != 4) { |
862 |
vm_error(router->vm, |
863 |
"invalid number of arguments for TAP NIO '%s'\n",str); |
864 |
goto done; |
865 |
} |
866 |
|
867 |
nio = netio_desc_create_tap(nio_name,tokens[3]); |
868 |
break; |
869 |
|
870 |
case NETIO_TYPE_UDP: |
871 |
if (count != 6) { |
872 |
vm_error(router->vm, |
873 |
"invalid number of arguments for UDP NIO '%s'\n",str); |
874 |
goto done; |
875 |
} |
876 |
|
877 |
nio = netio_desc_create_udp(nio_name,atoi(tokens[3]), |
878 |
tokens[4],atoi(tokens[5])); |
879 |
break; |
880 |
|
881 |
case NETIO_TYPE_TCP_CLI: |
882 |
if (count != 5) { |
883 |
vm_error(router->vm, |
884 |
"invalid number of arguments for TCP CLI NIO '%s'\n",str); |
885 |
goto done; |
886 |
} |
887 |
|
888 |
nio = netio_desc_create_tcp_cli(nio_name,tokens[3],tokens[4]); |
889 |
break; |
890 |
|
891 |
case NETIO_TYPE_TCP_SER: |
892 |
if (count != 4) { |
893 |
vm_error(router->vm, |
894 |
"invalid number of arguments for TCP SER NIO '%s'\n",str); |
895 |
goto done; |
896 |
} |
897 |
|
898 |
nio = netio_desc_create_tcp_ser(nio_name,tokens[3]); |
899 |
break; |
900 |
|
901 |
case NETIO_TYPE_NULL: |
902 |
nio = netio_desc_create_null(nio_name); |
903 |
break; |
904 |
|
905 |
#ifdef LINUX_ETH |
906 |
case NETIO_TYPE_LINUX_ETH: |
907 |
if (count != 4) { |
908 |
vm_error(router->vm, |
909 |
"invalid number of arguments for Linux Eth NIO '%s'\n", |
910 |
str); |
911 |
goto done; |
912 |
} |
913 |
|
914 |
nio = netio_desc_create_lnxeth(nio_name,tokens[3]); |
915 |
break; |
916 |
#endif |
917 |
|
918 |
#ifdef GEN_ETH |
919 |
case NETIO_TYPE_GEN_ETH: |
920 |
if (count != 4) { |
921 |
vm_error(router->vm, |
922 |
"invalid number of arguments for Generic Eth NIO '%s'\n", |
923 |
str); |
924 |
goto done; |
925 |
} |
926 |
|
927 |
nio = netio_desc_create_geneth(nio_name,tokens[3]); |
928 |
break; |
929 |
#endif |
930 |
|
931 |
default: |
932 |
vm_error(router->vm,"unknown NETIO type '%s'\n",tokens[2]); |
933 |
goto done; |
934 |
} |
935 |
|
936 |
if (!nio) { |
937 |
vm_error(router->vm,"unable to create NETIO " |
938 |
"descriptor for NM slot %u\n",nm_bay); |
939 |
goto done; |
940 |
} |
941 |
|
942 |
if (c2691_nm_add_nio_binding(router,nm_bay,port_id,nio_name) == -1) { |
943 |
vm_error(router->vm,"unable to add NETIO binding for slot %u\n",nm_bay); |
944 |
netio_release(nio_name); |
945 |
netio_delete(nio_name); |
946 |
goto done; |
947 |
} |
948 |
|
949 |
netio_release(nio_name); |
950 |
res = 0; |
951 |
|
952 |
done: |
953 |
/* The complete array was cleaned by strsplit */ |
954 |
for(i=0;i<NM_DESC_MAX_TOKENS;i++) |
955 |
free(tokens[i]); |
956 |
|
957 |
return(res); |
958 |
} |
959 |
|
960 |
/* Show the list of available NM drivers */ |
961 |
void c2691_nm_show_drivers(void) |
962 |
{ |
963 |
int i; |
964 |
|
965 |
printf("Available C2691 Network Module drivers:\n"); |
966 |
|
967 |
for(i=0;nm_drivers[i];i++) { |
968 |
printf(" * %s %s\n", |
969 |
nm_drivers[i]->dev_type, |
970 |
!nm_drivers[i]->supported ? "(NOT WORKING)" : ""); |
971 |
} |
972 |
|
973 |
printf("\n"); |
974 |
} |
975 |
|
976 |
/* Set the base MAC address of the chassis */ |
977 |
static int c2691_burn_mac_addr(c2691_t *router,n_eth_addr_t *addr) |
978 |
{ |
979 |
m_uint8_t eeprom_ver; |
980 |
size_t offset; |
981 |
|
982 |
/* Read EEPROM format version */ |
983 |
cisco_eeprom_get_byte(&router->mb_eeprom,0,&eeprom_ver); |
984 |
|
985 |
switch(eeprom_ver) { |
986 |
case 0: |
987 |
cisco_eeprom_set_region(&router->mb_eeprom,2,addr->eth_addr_byte,6); |
988 |
break; |
989 |
|
990 |
case 4: |
991 |
if (!cisco_eeprom_v4_find_field(&router->mb_eeprom,0xC3,&offset)) { |
992 |
cisco_eeprom_set_region(&router->mb_eeprom,offset, |
993 |
addr->eth_addr_byte,6); |
994 |
} |
995 |
break; |
996 |
|
997 |
default: |
998 |
vm_error(router->vm,"c2691_burn_mac_addr: unable to handle " |
999 |
"EEPROM version %u\n",eeprom_ver); |
1000 |
return(-1); |
1001 |
} |
1002 |
|
1003 |
return(0); |
1004 |
} |
1005 |
|
1006 |
/* Set chassis MAC address */ |
1007 |
int c2691_chassis_set_mac_addr(c2691_t *router,char *mac_addr) |
1008 |
{ |
1009 |
if (parse_mac_addr(&router->mac_addr,mac_addr) == -1) { |
1010 |
vm_error(router->vm,"unable to parse MAC address '%s'.\n",mac_addr); |
1011 |
return(-1); |
1012 |
} |
1013 |
|
1014 |
/* Set the chassis base MAC address */ |
1015 |
c2691_burn_mac_addr(router,&router->mac_addr); |
1016 |
return(0); |
1017 |
} |
1018 |
|
1019 |
/* Create the two main PCI busses for a GT64120 based system */ |
1020 |
static int c2691_init_gt96100(c2691_t *router) |
1021 |
{ |
1022 |
vm_instance_t *vm = router->vm; |
1023 |
|
1024 |
vm->pci_bus[0] = pci_bus_create("PCI bus #0",0); |
1025 |
vm->pci_bus[1] = pci_bus_create("PCI bus #1",0); |
1026 |
|
1027 |
if (!vm->pci_bus[0] || !vm->pci_bus[1]) { |
1028 |
vm_error(router->vm,"unable to create PCI data.\n"); |
1029 |
return(-1); |
1030 |
} |
1031 |
|
1032 |
return(dev_gt96100_init(vm,"gt96100",C2691_GT96K_ADDR,0x200000, |
1033 |
C2691_GT96K_IRQ,c2691_net_irq_for_slot_port(0,0))); |
1034 |
} |
1035 |
|
1036 |
/* Initialize a Cisco 2691 */ |
1037 |
static int c2691_init(c2691_t *router) |
1038 |
{ |
1039 |
vm_instance_t *vm = router->vm; |
1040 |
|
1041 |
/* Set the processor type: R7000 */ |
1042 |
mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R7000); |
1043 |
|
1044 |
/* Initialize the Galileo GT-96100 PCI controller */ |
1045 |
if (c2691_init_gt96100(router) == -1) |
1046 |
return(-1); |
1047 |
|
1048 |
/* Initialize PCI map (NM slot 1) */ |
1049 |
router->nm_bay[1].pci_map = vm->pci_bus[1]; |
1050 |
|
1051 |
vm->elf_machine_id = C2691_ELF_MACHINE_ID; |
1052 |
return(0); |
1053 |
} |
1054 |
|
1055 |
/* Show C2691 hardware info */ |
1056 |
void c2691_show_hardware(c2691_t *router) |
1057 |
{ |
1058 |
vm_instance_t *vm = router->vm; |
1059 |
|
1060 |
printf("C2691 instance '%s' (id %d):\n",vm->name,vm->instance_id); |
1061 |
|
1062 |
printf(" VM Status : %d\n",vm->status); |
1063 |
printf(" RAM size : %u Mb\n",vm->ram_size); |
1064 |
printf(" NVRAM size : %u Kb\n",vm->nvram_size); |
1065 |
printf(" IOS image : %s\n\n",vm->ios_image); |
1066 |
|
1067 |
if (vm->debug_level > 0) { |
1068 |
dev_show_list(vm); |
1069 |
pci_dev_show_list(vm->pci_bus[0]); |
1070 |
pci_dev_show_list(vm->pci_bus[1]); |
1071 |
printf("\n"); |
1072 |
} |
1073 |
} |
1074 |
|
1075 |
/* Initialize default parameters for a C2691 */ |
1076 |
void c2691_init_defaults(c2691_t *router) |
1077 |
{ |
1078 |
vm_instance_t *vm = router->vm; |
1079 |
n_eth_addr_t *m; |
1080 |
m_uint16_t pid; |
1081 |
|
1082 |
pid = (m_uint16_t)getpid(); |
1083 |
|
1084 |
/* Generate a chassis MAC address based on the instance ID */ |
1085 |
m = &router->mac_addr; |
1086 |
m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
1087 |
m->eth_addr_byte[1] = vm->instance_id & 0xFF; |
1088 |
m->eth_addr_byte[2] = pid >> 8; |
1089 |
m->eth_addr_byte[3] = pid & 0xFF; |
1090 |
m->eth_addr_byte[4] = 0x00; |
1091 |
m->eth_addr_byte[5] = 0x00; |
1092 |
|
1093 |
c2691_init_eeprom_groups(router); |
1094 |
cisco_eeprom_copy(&router->mb_eeprom,&eeprom_c2691_mainboard); |
1095 |
c2691_burn_mac_addr(router,&router->mac_addr); |
1096 |
|
1097 |
vm->ram_mmap = C2691_DEFAULT_RAM_MMAP; |
1098 |
vm->ram_size = C2691_DEFAULT_RAM_SIZE; |
1099 |
vm->rom_size = C2691_DEFAULT_ROM_SIZE; |
1100 |
vm->nvram_size = C2691_DEFAULT_NVRAM_SIZE; |
1101 |
vm->conf_reg_setup = C2691_DEFAULT_CONF_REG; |
1102 |
vm->clock_divisor = C2691_DEFAULT_CLOCK_DIV; |
1103 |
vm->nvram_rom_space = C2691_NVRAM_ROM_RES_SIZE; |
1104 |
router->nm_iomem_size = C2691_DEFAULT_IOMEM_SIZE; |
1105 |
|
1106 |
vm->pcmcia_disk_size[0] = C2691_DEFAULT_DISK0_SIZE; |
1107 |
vm->pcmcia_disk_size[1] = C2691_DEFAULT_DISK1_SIZE; |
1108 |
|
1109 |
/* Enable NVRAM operations to load/store configs */ |
1110 |
vm->nvram_extract_config = c2691_nvram_extract_config; |
1111 |
vm->nvram_push_config = c2691_nvram_push_config; |
1112 |
} |
1113 |
|
1114 |
/* Initialize the C2691 Platform */ |
1115 |
int c2691_init_platform(c2691_t *router) |
1116 |
{ |
1117 |
vm_instance_t *vm = router->vm; |
1118 |
struct c2691_nm_bay *nm_bay; |
1119 |
cpu_mips_t *cpu; |
1120 |
cpu_gen_t *gen; |
1121 |
vm_obj_t *obj; |
1122 |
int i; |
1123 |
|
1124 |
/* Copy config register setup into "active" config register */ |
1125 |
vm->conf_reg = vm->conf_reg_setup; |
1126 |
|
1127 |
/* Create Console and AUX ports */ |
1128 |
vm_init_vtty(vm); |
1129 |
|
1130 |
/* Create a CPU group */ |
1131 |
vm->cpu_group = cpu_group_create("System CPU"); |
1132 |
|
1133 |
/* Initialize the virtual MIPS processor */ |
1134 |
if (!(gen = cpu_create(vm,CPU_TYPE_MIPS64,0))) { |
1135 |
vm_error(vm,"unable to create CPU!\n"); |
1136 |
return(-1); |
1137 |
} |
1138 |
|
1139 |
cpu = CPU_MIPS64(gen); |
1140 |
|
1141 |
/* Add this CPU to the system CPU group */ |
1142 |
cpu_group_add(vm->cpu_group,gen); |
1143 |
vm->boot_cpu = gen; |
1144 |
|
1145 |
/* Initialize the IRQ routing vectors */ |
1146 |
vm->set_irq = mips64_vm_set_irq; |
1147 |
vm->clear_irq = mips64_vm_clear_irq; |
1148 |
|
1149 |
/* Mark the Network IO interrupt as high priority */ |
1150 |
cpu->irq_idle_preempt[C2691_NETIO_IRQ] = TRUE; |
1151 |
cpu->irq_idle_preempt[C2691_GT96K_IRQ] = TRUE; |
1152 |
cpu->irq_idle_preempt[C2691_DUART_IRQ] = TRUE; |
1153 |
|
1154 |
/* Copy some parameters from VM to CPU (idle PC, ...) */ |
1155 |
cpu->idle_pc = vm->idle_pc; |
1156 |
|
1157 |
if (vm->timer_irq_check_itv) |
1158 |
cpu->timer_irq_check_itv = vm->timer_irq_check_itv; |
1159 |
|
1160 |
/* Remote emulator control */ |
1161 |
dev_remote_control_init(vm,0x16000000,0x1000); |
1162 |
|
1163 |
/* Specific Storage Area (SSA) */ |
1164 |
dev_ram_init(vm,"ssa",TRUE,FALSE,NULL,FALSE,0x16001000ULL,0x7000); |
1165 |
|
1166 |
/* IO FPGA */ |
1167 |
if (dev_c2691_iofpga_init(router,C2691_IOFPGA_ADDR,0x40000) == -1) |
1168 |
return(-1); |
1169 |
|
1170 |
if (!(obj = vm_object_find(router->vm,"io_fpga"))) |
1171 |
return(-1); |
1172 |
|
1173 |
router->iofpga_data = obj->data; |
1174 |
|
1175 |
#if 0 |
1176 |
/* PCI IO space */ |
1177 |
if (!(vm->pci_io_space = pci_io_data_init(vm,C2691_PCI_IO_ADDR))) |
1178 |
return(-1); |
1179 |
#endif |
1180 |
|
1181 |
/* Initialize the chassis */ |
1182 |
if (c2691_init(router) == -1) |
1183 |
return(-1); |
1184 |
|
1185 |
/* Initialize RAM */ |
1186 |
vm_ram_init(vm,0x00000000ULL); |
1187 |
|
1188 |
/* Initialize ROM (as a Flash) */ |
1189 |
if (!(obj = dev_flash_init(vm,"rom",C2691_ROM_ADDR,vm->rom_size*1048576))) |
1190 |
return(-1); |
1191 |
|
1192 |
dev_flash_copy_data(obj,0,mips64_microcode,mips64_microcode_len); |
1193 |
c2691_nvram_check_empty_config(vm); |
1194 |
|
1195 |
/* Initialize the NS16552 DUART */ |
1196 |
dev_ns16552_init(vm,C2691_DUART_ADDR,0x1000,3,C2691_DUART_IRQ, |
1197 |
vm->vtty_con,vm->vtty_aux); |
1198 |
|
1199 |
/* PCMCIA Slot 0 */ |
1200 |
dev_pcmcia_disk_init(vm,"slot0",C2691_SLOT0_ADDR,0x200000, |
1201 |
vm->pcmcia_disk_size[0],1); |
1202 |
|
1203 |
/* PCMCIA Slot 1 */ |
1204 |
dev_pcmcia_disk_init(vm,"slot1",C2691_SLOT1_ADDR,0x200000, |
1205 |
vm->pcmcia_disk_size[1],1); |
1206 |
|
1207 |
/* The GT96100 system controller has 2 integrated FastEthernet ports */ |
1208 |
c2691_nm_add_binding(router,"GT96100-FE",0); |
1209 |
|
1210 |
/* Initialize Network Modules */ |
1211 |
for(i=0;i<C2691_MAX_NM_BAYS;i++) { |
1212 |
nm_bay = &router->nm_bay[i]; |
1213 |
|
1214 |
if (!nm_bay->dev_type) |
1215 |
continue; |
1216 |
|
1217 |
if (c2691_nm_init(router,i) == -1) { |
1218 |
vm_error(vm,"unable to create Network Module \"%s\"\n", |
1219 |
nm_bay->dev_type); |
1220 |
return(-1); |
1221 |
} |
1222 |
} |
1223 |
|
1224 |
/* Show device list */ |
1225 |
c2691_show_hardware(router); |
1226 |
return(0); |
1227 |
} |
1228 |
|
1229 |
/* Boot the IOS image */ |
1230 |
int c2691_boot_ios(c2691_t *router) |
1231 |
{ |
1232 |
vm_instance_t *vm = router->vm; |
1233 |
cpu_mips_t *cpu; |
1234 |
|
1235 |
if (!vm->boot_cpu) |
1236 |
return(-1); |
1237 |
|
1238 |
/* Suspend CPU activity since we will restart directly from ROM */ |
1239 |
vm_suspend(vm); |
1240 |
|
1241 |
/* Check that CPU activity is really suspended */ |
1242 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
1243 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
1244 |
return(-1); |
1245 |
} |
1246 |
|
1247 |
/* Reset the boot CPU */ |
1248 |
cpu = CPU_MIPS64(vm->boot_cpu); |
1249 |
mips64_reset(cpu); |
1250 |
|
1251 |
/* Load IOS image */ |
1252 |
if (mips64_load_elf_image(cpu,vm->ios_image, |
1253 |
(vm->ghost_status == VM_GHOST_RAM_USE), |
1254 |
&vm->ios_entry_point) < 0) |
1255 |
{ |
1256 |
vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); |
1257 |
return(-1); |
1258 |
} |
1259 |
|
1260 |
/* Launch the simulation */ |
1261 |
printf("\nC2691 '%s': starting simulation (CPU0 PC=0x%llx), " |
1262 |
"JIT %sabled.\n", |
1263 |
vm->name,cpu->pc,vm->jit_use ? "en":"dis"); |
1264 |
|
1265 |
vm_log(vm,"C2691_BOOT", |
1266 |
"starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n", |
1267 |
cpu->pc,cpu->idle_pc,vm->jit_use ? "on":"off"); |
1268 |
|
1269 |
/* Start main CPU */ |
1270 |
if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { |
1271 |
vm->status = VM_STATUS_RUNNING; |
1272 |
cpu_start(vm->boot_cpu); |
1273 |
} else { |
1274 |
vm->status = VM_STATUS_SHUTDOWN; |
1275 |
} |
1276 |
return(0); |
1277 |
} |
1278 |
|
1279 |
/* Set an IRQ */ |
1280 |
static void c2691_set_irq(vm_instance_t *vm,u_int irq) |
1281 |
{ |
1282 |
c2691_t *router = VM_C2691(vm); |
1283 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
1284 |
u_int slot,port; |
1285 |
|
1286 |
switch(irq) { |
1287 |
case 0 ... 7: |
1288 |
mips64_set_irq(cpu0,irq); |
1289 |
|
1290 |
if (cpu0->irq_idle_preempt[irq]) |
1291 |
cpu_idle_break_wait(cpu0->gen); |
1292 |
break; |
1293 |
|
1294 |
case C2691_NETIO_IRQ_BASE ... C2691_NETIO_IRQ_END: |
1295 |
c2691_net_irq_get_slot_port(irq,&slot,&port); |
1296 |
dev_c2691_iofpga_net_set_irq(router->iofpga_data,slot,port); |
1297 |
break; |
1298 |
} |
1299 |
} |
1300 |
|
1301 |
/* Clear an IRQ */ |
1302 |
static void c2691_clear_irq(vm_instance_t *vm,u_int irq) |
1303 |
{ |
1304 |
c2691_t *router = VM_C2691(vm); |
1305 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
1306 |
u_int slot,port; |
1307 |
|
1308 |
switch(irq) { |
1309 |
case 0 ... 7: |
1310 |
mips64_clear_irq(cpu0,irq); |
1311 |
break; |
1312 |
|
1313 |
case C2691_NETIO_IRQ_BASE ... C2691_NETIO_IRQ_END: |
1314 |
c2691_net_irq_get_slot_port(irq,&slot,&port); |
1315 |
dev_c2691_iofpga_net_clear_irq(router->iofpga_data,slot,port); |
1316 |
break; |
1317 |
} |
1318 |
} |
1319 |
|
1320 |
/* Initialize a Cisco 2691 instance */ |
1321 |
int c2691_init_instance(c2691_t *router) |
1322 |
{ |
1323 |
vm_instance_t *vm = router->vm; |
1324 |
m_uint32_t rom_entry_point; |
1325 |
cpu_mips_t *cpu0; |
1326 |
|
1327 |
if (!vm->ios_image) { |
1328 |
vm_error(vm,"no Cisco IOS image defined."); |
1329 |
return(-1); |
1330 |
} |
1331 |
|
1332 |
/* Initialize the C2691 platform */ |
1333 |
if (c2691_init_platform(router) == -1) { |
1334 |
vm_error(vm,"unable to initialize the platform hardware.\n"); |
1335 |
return(-1); |
1336 |
} |
1337 |
|
1338 |
/* IRQ routing */ |
1339 |
vm->set_irq = c2691_set_irq; |
1340 |
vm->clear_irq = c2691_clear_irq; |
1341 |
|
1342 |
/* Load IOS configuration file */ |
1343 |
if (vm->ios_config != NULL) { |
1344 |
vm_nvram_push_config(vm,vm->ios_config); |
1345 |
vm->conf_reg &= ~0x40; |
1346 |
} |
1347 |
|
1348 |
/* Load ROM (ELF image or embedded) */ |
1349 |
cpu0 = CPU_MIPS64(vm->boot_cpu); |
1350 |
rom_entry_point = (m_uint32_t)MIPS_ROM_PC; |
1351 |
|
1352 |
if ((vm->rom_filename != NULL) && |
1353 |
(mips64_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) |
1354 |
{ |
1355 |
vm_error(vm,"unable to load alternate ROM '%s', " |
1356 |
"fallback to embedded ROM.\n\n",vm->rom_filename); |
1357 |
vm->rom_filename = NULL; |
1358 |
} |
1359 |
|
1360 |
/* Load symbol file */ |
1361 |
if (vm->sym_filename) { |
1362 |
mips64_sym_load_file(cpu0,vm->sym_filename); |
1363 |
cpu0->sym_trace = 1; |
1364 |
} |
1365 |
|
1366 |
return(c2691_boot_ios(router)); |
1367 |
} |
1368 |
|
1369 |
/* Stop a Cisco 2691 instance */ |
1370 |
int c2691_stop_instance(c2691_t *router) |
1371 |
{ |
1372 |
vm_instance_t *vm = router->vm; |
1373 |
|
1374 |
printf("\nC2691 '%s': stopping simulation.\n",vm->name); |
1375 |
vm_log(vm,"C2691_STOP","stopping simulation.\n"); |
1376 |
|
1377 |
/* Stop all CPUs */ |
1378 |
if (vm->cpu_group != NULL) { |
1379 |
vm_stop(vm); |
1380 |
|
1381 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
1382 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
1383 |
return(-1); |
1384 |
} |
1385 |
} |
1386 |
|
1387 |
/* Free resources that were used during execution to emulate hardware */ |
1388 |
c2691_nm_shutdown_all(router); |
1389 |
vm_hardware_shutdown(vm); |
1390 |
return(0); |
1391 |
} |