1 |
/* |
2 |
* Cisco 3600 simulation platform. |
3 |
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* Generic Cisco 3600 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 "dynamips.h" |
17 |
#include "memory.h" |
18 |
#include "device.h" |
19 |
#include "pci_io.h" |
20 |
#include "dev_gt.h" |
21 |
#include "cisco_eeprom.h" |
22 |
#include "dev_rom.h" |
23 |
#include "dev_c3600.h" |
24 |
#include "dev_c3600_iofpga.h" |
25 |
#include "dev_c3600_bay.h" |
26 |
#include "dev_vtty.h" |
27 |
#include "registry.h" |
28 |
|
29 |
/* ======================================================================== */ |
30 |
/* EEPROM definitions */ |
31 |
/* ======================================================================== */ |
32 |
|
33 |
/* Cisco 3620 mainboard EEPROM */ |
34 |
static m_uint16_t eeprom_c3620_mainboard_data[64] = { |
35 |
0x0001, 0x0000, 0x0000, 0x0000, 0x0AFF, 0x7318, 0x5011, 0x0020, |
36 |
0x0000, 0x0000, 0xA0FF, 0x9904, 0x19FF, 0xFFFF, 0xFFFF, 0x0002, |
37 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
38 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
39 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
40 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
41 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
42 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
43 |
}; |
44 |
|
45 |
struct cisco_eeprom eeprom_c3620_mainboard = { |
46 |
"C3620 Mainboard", |
47 |
eeprom_c3620_mainboard_data, |
48 |
sizeof(eeprom_c3620_mainboard_data)/2, |
49 |
}; |
50 |
|
51 |
/* Cisco 3640 mainboard EEPROM */ |
52 |
static m_uint16_t eeprom_c3640_mainboard_data[64] = { |
53 |
0x0001, 0x0000, 0x0000, 0x0000, 0x0AFF, 0x7316, 0x8514, 0x0040, |
54 |
0x0000, 0x0000, 0xA1FF, 0x0102, 0x22FF, 0xFFFF, 0xFFFF, 0x0002, |
55 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
56 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
57 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
58 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
59 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
60 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
61 |
}; |
62 |
|
63 |
struct cisco_eeprom eeprom_c3640_mainboard = { |
64 |
"C3640 Mainboard", |
65 |
eeprom_c3640_mainboard_data, |
66 |
sizeof(eeprom_c3640_mainboard_data)/2, |
67 |
}; |
68 |
|
69 |
/* Cisco 3660 backplane EEPROM */ |
70 |
static m_uint16_t eeprom_c3660_backplane_data[64] = { |
71 |
0x04FF, 0x4000, 0xC841, 0x0100, 0xC046, 0x0320, 0x0012, 0x8402, |
72 |
0x4243, 0x3080, 0x0000, 0x0000, 0x0202, 0xC18B, 0x4841, 0x4430, |
73 |
0x3434, 0x3431, 0x3135, 0x4A03, 0x0081, 0x0000, 0x0000, 0x0400, |
74 |
0xC28B, 0x4A41, 0x4230, 0x3434, 0x3643, 0x304C, 0x32C3, 0x0600, |
75 |
0x044D, 0x0EC2, 0xD043, 0x0070, 0xC408, 0x0000, 0x0000, 0x0000, |
76 |
0x0000, 0x851C, 0x0A5B, 0x0201, 0x06FF, 0xFFFF, 0xFFFF, 0xFFFF, |
77 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
78 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
79 |
}; |
80 |
|
81 |
struct cisco_eeprom eeprom_c3660_backplane = { |
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"C3660 Backplane", |
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eeprom_c3660_backplane_data, |
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sizeof(eeprom_c3660_backplane_data)/2, |
85 |
}; |
86 |
|
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/* ======================================================================== */ |
88 |
/* Chassis Drivers */ |
89 |
/* ======================================================================== */ |
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static int c3620_init(c3600_t *router); |
91 |
static int c3640_init(c3600_t *router); |
92 |
static int c3660_init(c3600_t *router); |
93 |
|
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static struct c3600_chassis_driver chassis_drivers[] = { |
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{ "3620" , 3620, 1, c3620_init, &eeprom_c3620_mainboard }, |
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{ "3640" , 3640, 1, c3640_init, &eeprom_c3640_mainboard }, |
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{ "3660" , 3660, 1, c3660_init, &eeprom_c3660_backplane }, |
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{ NULL , -1, 0, NULL, NULL }, |
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}; |
100 |
|
101 |
/* ======================================================================== */ |
102 |
/* Network Module Drivers */ |
103 |
/* ======================================================================== */ |
104 |
static struct cisco_card_driver *nm_drivers[] = { |
105 |
&dev_c3600_nm_1e_driver, |
106 |
&dev_c3600_nm_4e_driver, |
107 |
&dev_c3600_nm_1fe_tx_driver, |
108 |
&dev_c3600_nm_4t_driver, |
109 |
&dev_c3600_leopard_2fe_driver, |
110 |
&dev_c3600_nm_16esw_driver, |
111 |
NULL, |
112 |
}; |
113 |
|
114 |
/* ======================================================================== */ |
115 |
/* Cisco 3600 router instances */ |
116 |
/* ======================================================================== */ |
117 |
|
118 |
/* Initialize default parameters for a C3600 */ |
119 |
static void c3600_init_defaults(c3600_t *router); |
120 |
|
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/* Directly extract the configuration from the NVRAM device */ |
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static ssize_t c3600_nvram_extract_config(vm_instance_t *vm,u_char **buffer) |
123 |
{ |
124 |
u_char *base_ptr,*ios_ptr,*cfg_ptr,*end_ptr; |
125 |
m_uint32_t start,nvlen; |
126 |
m_uint16_t magic1,magic2; |
127 |
struct vdevice *nvram_dev; |
128 |
off_t nvram_size; |
129 |
int fd; |
130 |
|
131 |
if ((nvram_dev = dev_get_by_name(vm,"nvram"))) |
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dev_sync(nvram_dev); |
133 |
|
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fd = vm_mmap_open_file(vm,"nvram",&base_ptr,&nvram_size); |
135 |
|
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if (fd == -1) |
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return(-1); |
138 |
|
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ios_ptr = base_ptr + vm->nvram_rom_space; |
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end_ptr = base_ptr + nvram_size; |
141 |
|
142 |
if ((ios_ptr + 0x30) >= end_ptr) { |
143 |
vm_error(vm,"NVRAM file too small\n"); |
144 |
return(-1); |
145 |
} |
146 |
|
147 |
magic1 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06)); |
148 |
magic2 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08)); |
149 |
|
150 |
if ((magic1 != 0xF0A5) || (magic2 != 0xABCD)) { |
151 |
vm_error(vm,"unable to find IOS magic numbers (0x%x,0x%x)!\n", |
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magic1,magic2); |
153 |
return(-1); |
154 |
} |
155 |
|
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start = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10)) + 1; |
157 |
nvlen = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18)); |
158 |
|
159 |
if (!(*buffer = malloc(nvlen+1))) { |
160 |
vm_error(vm,"unable to allocate config buffer (%u bytes)\n",nvlen); |
161 |
return(-1); |
162 |
} |
163 |
|
164 |
cfg_ptr = ios_ptr + start + 0x08; |
165 |
|
166 |
if ((cfg_ptr + nvlen) > end_ptr) { |
167 |
vm_error(vm,"NVRAM file too small\n"); |
168 |
return(-1); |
169 |
} |
170 |
|
171 |
memcpy(*buffer,cfg_ptr,nvlen-1); |
172 |
(*buffer)[nvlen-1] = 0; |
173 |
return(nvlen-1); |
174 |
} |
175 |
|
176 |
/* Directly push the IOS configuration to the NVRAM device */ |
177 |
static int c3600_nvram_push_config(vm_instance_t *vm,u_char *buffer,size_t len) |
178 |
{ |
179 |
u_char *base_ptr,*ios_ptr,*cfg_ptr; |
180 |
m_uint32_t cfg_offset,cklen,tmp; |
181 |
m_uint16_t cksum; |
182 |
int fd; |
183 |
|
184 |
fd = vm_mmap_create_file(vm,"nvram",vm->nvram_size*1024,&base_ptr); |
185 |
|
186 |
if (fd == -1) |
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return(-1); |
188 |
|
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cfg_offset = 0x2c; |
190 |
ios_ptr = base_ptr + vm->nvram_rom_space; |
191 |
cfg_ptr = ios_ptr + cfg_offset; |
192 |
|
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/* Write IOS tag, uncompressed config... */ |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06) = htons(0xF0A5); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08) = htons(0xABCD); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0a) = htons(0x0001); |
197 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(0x0000); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0e) = htons(0x0c04); |
199 |
|
200 |
/* Store file contents to NVRAM */ |
201 |
memcpy(cfg_ptr,buffer,len); |
202 |
|
203 |
/* Write config addresses + size */ |
204 |
tmp = cfg_offset - 0x08; |
205 |
|
206 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10) = htonl(tmp); |
207 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x14) = htonl(tmp + len); |
208 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18) = htonl(len); |
209 |
|
210 |
/* Compute the checksum */ |
211 |
cklen = (vm->nvram_size*1024) - (vm->nvram_rom_space + 0x08); |
212 |
cksum = nvram_cksum((m_uint16_t *)(ios_ptr+0x08),cklen); |
213 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(cksum); |
214 |
|
215 |
vm_mmap_close_file(fd,base_ptr,vm->nvram_size*1024); |
216 |
return(0); |
217 |
} |
218 |
|
219 |
/* Create a new router instance */ |
220 |
static int c3600_create_instance(vm_instance_t *vm) |
221 |
{ |
222 |
c3600_t *router; |
223 |
|
224 |
if (!(router = malloc(sizeof(*router)))) { |
225 |
fprintf(stderr,"C3600 '%s': Unable to create new instance!\n",vm->name); |
226 |
return(-1); |
227 |
} |
228 |
|
229 |
memset(router,0,sizeof(*router)); |
230 |
router->vm = vm; |
231 |
vm->hw_data = router; |
232 |
|
233 |
c3600_init_defaults(router); |
234 |
return(0); |
235 |
} |
236 |
|
237 |
/* Free resources used by a router instance */ |
238 |
static int c3600_delete_instance(vm_instance_t *vm) |
239 |
{ |
240 |
c3600_t *router = VM_C3600(vm); |
241 |
int i; |
242 |
|
243 |
/* Stop all CPUs */ |
244 |
if (vm->cpu_group != NULL) { |
245 |
vm_stop(vm); |
246 |
|
247 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
248 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
249 |
return(FALSE); |
250 |
} |
251 |
} |
252 |
|
253 |
/* Remove NIO bindings */ |
254 |
for(i=0;i<vm->nr_slots;i++) |
255 |
vm_slot_remove_all_nio_bindings(vm,i); |
256 |
|
257 |
/* Shutdown all Network Modules */ |
258 |
vm_slot_shutdown_all(vm); |
259 |
|
260 |
/* Free mainboard EEPROM */ |
261 |
cisco_eeprom_free(&router->mb_eeprom); |
262 |
|
263 |
/* Free all resources used by VM */ |
264 |
vm_free(vm); |
265 |
|
266 |
/* Free the router structure */ |
267 |
free(router); |
268 |
return(TRUE); |
269 |
} |
270 |
|
271 |
/* Save configuration of a C3600 instance */ |
272 |
static void c3600_save_config(vm_instance_t *vm,FILE *fd) |
273 |
{ |
274 |
c3600_t *router = VM_C3600(vm); |
275 |
|
276 |
fprintf(fd,"c3600 set_chassis %s %s\n\n", |
277 |
vm->name,router->chassis_driver->chassis_type); |
278 |
} |
279 |
|
280 |
/* Set EEPROM for the specified slot */ |
281 |
int c3600_set_slot_eeprom(c3600_t *router,u_int slot, |
282 |
struct cisco_eeprom *eeprom) |
283 |
{ |
284 |
if (slot >= C3600_MAX_NM_BAYS) |
285 |
return(-1); |
286 |
|
287 |
router->c3660_nm_eeprom_group[slot].eeprom[0] = eeprom; |
288 |
return(0); |
289 |
} |
290 |
|
291 |
/* Get slot/port corresponding to specified network IRQ */ |
292 |
static inline void |
293 |
c3600_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) |
294 |
{ |
295 |
irq -= C3600_NETIO_IRQ_BASE; |
296 |
*port = irq & C3600_NETIO_IRQ_PORT_MASK; |
297 |
*slot = irq >> C3600_NETIO_IRQ_PORT_BITS; |
298 |
} |
299 |
|
300 |
/* Get network IRQ for specified slot/port */ |
301 |
u_int c3600_net_irq_for_slot_port(u_int slot,u_int port) |
302 |
{ |
303 |
u_int irq; |
304 |
|
305 |
irq = (slot << C3600_NETIO_IRQ_PORT_BITS) + port; |
306 |
irq += C3600_NETIO_IRQ_BASE; |
307 |
|
308 |
return(irq); |
309 |
} |
310 |
|
311 |
/* Get a chassis driver */ |
312 |
struct c3600_chassis_driver *c3600_chassis_get_driver(char *chassis_type) |
313 |
{ |
314 |
int i; |
315 |
|
316 |
for(i=0;chassis_drivers[i].chassis_type;i++) |
317 |
if (!strcmp(chassis_drivers[i].chassis_type,chassis_type)) |
318 |
return(&chassis_drivers[i]); |
319 |
|
320 |
return NULL; |
321 |
} |
322 |
|
323 |
/* Set the base MAC address of the chassis */ |
324 |
static int c3600_burn_mac_addr(c3600_t *router,n_eth_addr_t *addr) |
325 |
{ |
326 |
m_uint8_t eeprom_ver; |
327 |
size_t offset; |
328 |
|
329 |
/* Read EEPROM format version */ |
330 |
cisco_eeprom_get_byte(&router->mb_eeprom,0,&eeprom_ver); |
331 |
|
332 |
switch(eeprom_ver) { |
333 |
case 0: |
334 |
cisco_eeprom_set_region(&router->mb_eeprom,2,addr->eth_addr_byte,6); |
335 |
break; |
336 |
|
337 |
case 4: |
338 |
if (!cisco_eeprom_v4_find_field(&router->mb_eeprom,0xC3,&offset)) { |
339 |
cisco_eeprom_set_region(&router->mb_eeprom,offset, |
340 |
addr->eth_addr_byte,6); |
341 |
} |
342 |
break; |
343 |
|
344 |
default: |
345 |
vm_error(router->vm,"c3600_burn_mac_addr: unable to handle " |
346 |
"EEPROM version %u\n",eeprom_ver); |
347 |
return(-1); |
348 |
} |
349 |
|
350 |
return(0); |
351 |
} |
352 |
|
353 |
/* Set chassis MAC address */ |
354 |
int c3600_chassis_set_mac_addr(c3600_t *router,char *mac_addr) |
355 |
{ |
356 |
if (parse_mac_addr(&router->mac_addr,mac_addr) == -1) { |
357 |
vm_error(router->vm,"unable to parse MAC address '%s'.\n",mac_addr); |
358 |
return(-1); |
359 |
} |
360 |
|
361 |
/* Set the chassis base MAC address */ |
362 |
c3600_burn_mac_addr(router,&router->mac_addr); |
363 |
return(0); |
364 |
} |
365 |
|
366 |
/* Set the chassis type */ |
367 |
int c3600_chassis_set_type(c3600_t *router,char *chassis_type) |
368 |
{ |
369 |
struct c3600_chassis_driver *driver; |
370 |
|
371 |
if (router->vm->status == VM_STATUS_RUNNING) { |
372 |
vm_error(router->vm,"unable to change chassis type when online.\n"); |
373 |
return(-1); |
374 |
} |
375 |
|
376 |
if (!(driver = c3600_chassis_get_driver(chassis_type))) { |
377 |
vm_error(router->vm,"unknown chassis type '%s'.\n",chassis_type); |
378 |
return(-1); |
379 |
} |
380 |
|
381 |
router->chassis_driver = driver; |
382 |
|
383 |
/* Copy the mainboard EEPROM */ |
384 |
if (cisco_eeprom_copy(&router->mb_eeprom,driver->eeprom) == -1) { |
385 |
vm_error(router->vm,"unable to set chassis EEPROM '%s'.\n",chassis_type); |
386 |
return(-1); |
387 |
} |
388 |
|
389 |
/* Set the chassis base MAC address */ |
390 |
c3600_burn_mac_addr(router,&router->mac_addr); |
391 |
|
392 |
/* The motherboard has 2 integrated FastEthernet ports on a 3660 */ |
393 |
if (driver->chassis_id == 3660) { |
394 |
vm_slot_remove_binding(router->vm,0,0); |
395 |
vm_slot_add_binding(router->vm,"Leopard-2FE",0,0); |
396 |
} |
397 |
|
398 |
return(0); |
399 |
} |
400 |
|
401 |
/* Get the chassis ID */ |
402 |
int c3600_chassis_get_id(c3600_t *router) |
403 |
{ |
404 |
if (router->chassis_driver) |
405 |
return(router->chassis_driver->chassis_id); |
406 |
|
407 |
return(-1); |
408 |
} |
409 |
|
410 |
/* Show the list of available chassis drivers */ |
411 |
static void c3600_chassis_show_drivers(void) |
412 |
{ |
413 |
int i; |
414 |
|
415 |
printf("Available C3600 chassis drivers:\n"); |
416 |
|
417 |
for(i=0;chassis_drivers[i].chassis_type;i++) { |
418 |
printf(" * %s %s\n", |
419 |
chassis_drivers[i].chassis_type, |
420 |
!chassis_drivers[i].supported ? "(NOT WORKING)" : ""); |
421 |
} |
422 |
|
423 |
printf("\n"); |
424 |
} |
425 |
|
426 |
/* Create the main PCI bus for a GT64010 based system */ |
427 |
static int c3600_init_gt64010(c3600_t *router) |
428 |
{ |
429 |
if (!(router->vm->pci_bus[0] = pci_bus_create("PCI bus",0))) { |
430 |
vm_error(router->vm,"unable to create PCI data.\n"); |
431 |
return(-1); |
432 |
} |
433 |
|
434 |
return(dev_gt64010_init(router->vm,"gt64010",C3600_GT64K_ADDR,0x1000, |
435 |
C3600_GT64K_IRQ)); |
436 |
} |
437 |
|
438 |
/* Create the two main PCI busses for a GT64120 based system */ |
439 |
static int c3600_init_gt64120(c3600_t *router) |
440 |
{ |
441 |
vm_instance_t *vm = router->vm; |
442 |
|
443 |
vm->pci_bus[0] = pci_bus_create("PCI bus #0",0); |
444 |
vm->pci_bus[1] = pci_bus_create("PCI bus #1",0); |
445 |
|
446 |
if (!vm->pci_bus[0] || !vm->pci_bus[1]) { |
447 |
vm_error(router->vm,"unable to create PCI data.\n"); |
448 |
return(-1); |
449 |
} |
450 |
|
451 |
return(dev_gt64120_init(vm,"gt64120",C3600_GT64K_ADDR,0x1000, |
452 |
C3600_GT64K_IRQ)); |
453 |
} |
454 |
|
455 |
/* Initialize a Cisco 3620 */ |
456 |
static int c3620_init(c3600_t *router) |
457 |
{ |
458 |
vm_instance_t *vm = router->vm; |
459 |
int i; |
460 |
|
461 |
/* Set the processor type: R4700 */ |
462 |
mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R4700); |
463 |
|
464 |
/* Initialize the Galileo GT-64010 PCI controller */ |
465 |
if (c3600_init_gt64010(router) == -1) |
466 |
return(-1); |
467 |
|
468 |
/* Initialize PCI map (no PCI bridge for this chassis) */ |
469 |
for(i=0;i<C3600_MAX_NM_BAYS;i++) |
470 |
vm->slots_pci_bus[i] = vm->pci_bus[0]; |
471 |
|
472 |
vm->elf_machine_id = C3620_ELF_MACHINE_ID; |
473 |
return(0); |
474 |
} |
475 |
|
476 |
/* Initialize a Cisco 3640 */ |
477 |
static int c3640_init(c3600_t *router) |
478 |
{ |
479 |
vm_instance_t *vm = router->vm; |
480 |
struct nm_bay_info *bay; |
481 |
int i; |
482 |
|
483 |
/* Set the processor type: R4700 */ |
484 |
mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R4700); |
485 |
|
486 |
/* Initialize the Galileo GT-64010 PCI controller */ |
487 |
if (c3600_init_gt64010(router) == -1) |
488 |
return(-1); |
489 |
|
490 |
/* Create the NM PCI busses */ |
491 |
vm->pci_bus_pool[0] = pci_bus_create("NM Slots 0,2",-1); |
492 |
vm->pci_bus_pool[1] = pci_bus_create("NM Slots 1,3",-1); |
493 |
|
494 |
/* Initialize PCI map and PCI bridges */ |
495 |
for(i=0;i<=3;i++) { |
496 |
bay = c3600_nm_get_bay_info(3640,i); |
497 |
|
498 |
/* Map the NM PCI bus */ |
499 |
vm->slots_pci_bus[i] = vm->pci_bus_pool[i & 1]; |
500 |
|
501 |
if (bay && (bay->pci_bridge_device != -1)) |
502 |
dev_dec21052_init(vm->pci_bus[0],bay->pci_bridge_device, |
503 |
vm->slots_pci_bus[i]); |
504 |
} |
505 |
|
506 |
vm->elf_machine_id = C3640_ELF_MACHINE_ID; |
507 |
return(0); |
508 |
} |
509 |
|
510 |
/* Initialize a Cisco 3660 */ |
511 |
static int c3660_init(c3600_t *router) |
512 |
{ |
513 |
vm_instance_t *vm = router->vm; |
514 |
struct nm_bay_info *bay; |
515 |
char bus_name[128]; |
516 |
int i; |
517 |
|
518 |
/* Set the processor type: R5271 */ |
519 |
mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R527x); |
520 |
|
521 |
/* Initialize the Galileo GT-64120 PCI controller */ |
522 |
if (c3600_init_gt64120(router) == -1) |
523 |
return(-1); |
524 |
|
525 |
/* Create the NM PCI busses */ |
526 |
for(i=1;i<=6;i++) { |
527 |
snprintf(bus_name,sizeof(bus_name),"NM Slot %d",i); |
528 |
vm->pci_bus_pool[i] = pci_bus_create(bus_name,-1); |
529 |
} |
530 |
|
531 |
/* Slot 0 is mapped to the first bus of GT64120 */ |
532 |
vm->slots_pci_bus[0] = vm->pci_bus[0]; |
533 |
|
534 |
/* Initialize PCI map and PCI bridges */ |
535 |
for(i=1;i<C3600_MAX_NM_BAYS;i++) { |
536 |
bay = c3600_nm_get_bay_info(3660,i); |
537 |
|
538 |
/* Map the NM PCI bus */ |
539 |
vm->slots_pci_bus[i] = vm->pci_bus_pool[i]; |
540 |
|
541 |
/* Slots 1-6 are mapped to the second bus of GT64120 */ |
542 |
if (bay && (bay->pci_bridge_device != -1)) |
543 |
dev_dec21152_init(vm->pci_bus[1],bay->pci_bridge_device, |
544 |
vm->slots_pci_bus[i]); |
545 |
} |
546 |
|
547 |
vm->elf_machine_id = C3660_ELF_MACHINE_ID; |
548 |
return(0); |
549 |
} |
550 |
|
551 |
/* Show C3600 hardware info */ |
552 |
void c3600_show_hardware(c3600_t *router) |
553 |
{ |
554 |
vm_instance_t *vm = router->vm; |
555 |
|
556 |
printf("C3600 instance '%s' (id %d):\n",vm->name,vm->instance_id); |
557 |
|
558 |
printf(" VM Status : %d\n",vm->status); |
559 |
printf(" RAM size : %u Mb\n",vm->ram_size); |
560 |
printf(" NVRAM size : %u Kb\n",vm->nvram_size); |
561 |
printf(" Chassis : %s\n",router->chassis_driver->chassis_type); |
562 |
printf(" IOS image : %s\n\n",vm->ios_image); |
563 |
|
564 |
if (vm->debug_level > 0) { |
565 |
dev_show_list(vm); |
566 |
pci_dev_show_list(vm->pci_bus[0]); |
567 |
pci_dev_show_list(vm->pci_bus[1]); |
568 |
printf("\n"); |
569 |
} |
570 |
} |
571 |
|
572 |
/* Initialize default parameters for a C3600 */ |
573 |
static void c3600_init_defaults(c3600_t *router) |
574 |
{ |
575 |
vm_instance_t *vm = router->vm; |
576 |
n_eth_addr_t *m; |
577 |
m_uint16_t pid; |
578 |
|
579 |
/* Set platform slots characteristics */ |
580 |
vm->nr_slots = C3600_MAX_NM_BAYS; |
581 |
vm->slots_type = CISCO_CARD_TYPE_NM; |
582 |
vm->slots_drivers = nm_drivers; |
583 |
|
584 |
pid = (m_uint16_t)getpid(); |
585 |
|
586 |
/* Generate a chassis MAC address based on the instance ID */ |
587 |
m = &router->mac_addr; |
588 |
m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
589 |
m->eth_addr_byte[1] = vm->instance_id & 0xFF; |
590 |
m->eth_addr_byte[2] = pid >> 8; |
591 |
m->eth_addr_byte[3] = pid & 0xFF; |
592 |
m->eth_addr_byte[4] = 0x00; |
593 |
m->eth_addr_byte[5] = 0x00; |
594 |
|
595 |
c3600_init_eeprom_groups(router); |
596 |
c3600_chassis_set_type(router,C3600_DEFAULT_CHASSIS); |
597 |
|
598 |
vm->ram_mmap = C3600_DEFAULT_RAM_MMAP; |
599 |
vm->ram_size = C3600_DEFAULT_RAM_SIZE; |
600 |
vm->rom_size = C3600_DEFAULT_ROM_SIZE; |
601 |
vm->nvram_size = C3600_DEFAULT_NVRAM_SIZE; |
602 |
vm->conf_reg_setup = C3600_DEFAULT_CONF_REG; |
603 |
vm->clock_divisor = C3600_DEFAULT_CLOCK_DIV; |
604 |
vm->nvram_rom_space = C3600_NVRAM_ROM_RES_SIZE; |
605 |
vm->nm_iomem_size = C3600_DEFAULT_IOMEM_SIZE; |
606 |
|
607 |
vm->pcmcia_disk_size[0] = C3600_DEFAULT_DISK0_SIZE; |
608 |
vm->pcmcia_disk_size[1] = C3600_DEFAULT_DISK1_SIZE; |
609 |
} |
610 |
|
611 |
/* Initialize the C3600 Platform */ |
612 |
static int c3600_init_platform(c3600_t *router) |
613 |
{ |
614 |
vm_instance_t *vm = router->vm; |
615 |
cpu_mips_t *cpu; |
616 |
cpu_gen_t *gen; |
617 |
vm_obj_t *obj; |
618 |
|
619 |
/* Copy config register setup into "active" config register */ |
620 |
vm->conf_reg = vm->conf_reg_setup; |
621 |
|
622 |
/* Create Console and AUX ports */ |
623 |
vm_init_vtty(vm); |
624 |
|
625 |
/* Create a CPU group */ |
626 |
vm->cpu_group = cpu_group_create("System CPU"); |
627 |
|
628 |
/* Initialize the virtual MIPS processor */ |
629 |
if (!(gen = cpu_create(vm,CPU_TYPE_MIPS64,0))) { |
630 |
vm_error(vm,"unable to create CPU!\n"); |
631 |
return(-1); |
632 |
} |
633 |
|
634 |
cpu = CPU_MIPS64(gen); |
635 |
|
636 |
/* Add this CPU to the system CPU group */ |
637 |
cpu_group_add(vm->cpu_group,gen); |
638 |
vm->boot_cpu = gen; |
639 |
|
640 |
/* Initialize the IRQ routing vectors */ |
641 |
vm->set_irq = mips64_vm_set_irq; |
642 |
vm->clear_irq = mips64_vm_clear_irq; |
643 |
|
644 |
/* Mark the Network IO interrupt as high priority */ |
645 |
cpu->irq_idle_preempt[C3600_NETIO_IRQ] = TRUE; |
646 |
cpu->irq_idle_preempt[C3600_GT64K_IRQ] = TRUE; |
647 |
cpu->irq_idle_preempt[C3600_DUART_IRQ] = TRUE; |
648 |
|
649 |
/* Copy some parameters from VM to CPU (idle PC, ...) */ |
650 |
cpu->idle_pc = vm->idle_pc; |
651 |
|
652 |
if (vm->timer_irq_check_itv) |
653 |
cpu->timer_irq_check_itv = vm->timer_irq_check_itv; |
654 |
|
655 |
/* Get chassis specific driver */ |
656 |
if (!router->chassis_driver) { |
657 |
vm_error(vm,"no chassis defined.\n"); |
658 |
return(-1); |
659 |
} |
660 |
|
661 |
/* Remote emulator control */ |
662 |
dev_remote_control_init(vm,0x16000000,0x1000); |
663 |
|
664 |
/* Bootflash (8 Mb) */ |
665 |
dev_bootflash_init(vm,"bootflash","c3600-bootflash-8mb", |
666 |
C3600_BOOTFLASH_ADDR); |
667 |
|
668 |
/* NVRAM and calendar */ |
669 |
dev_nvram_init(vm,"nvram", |
670 |
C3600_NVRAM_ADDR,vm->nvram_size*1024,&vm->conf_reg); |
671 |
|
672 |
/* Bit-bucket zone */ |
673 |
dev_zero_init(vm,"zero",C3600_BITBUCKET_ADDR,0xc00000); |
674 |
|
675 |
/* IO FPGA */ |
676 |
if (dev_c3600_iofpga_init(router,C3600_IOFPGA_ADDR,0x40000) == -1) |
677 |
return(-1); |
678 |
|
679 |
if (!(obj = vm_object_find(router->vm,"io_fpga"))) |
680 |
return(-1); |
681 |
|
682 |
router->iofpga_data = obj->data; |
683 |
|
684 |
/* PCI IO space */ |
685 |
if (!(vm->pci_io_space = pci_io_data_init(vm,C3600_PCI_IO_ADDR))) |
686 |
return(-1); |
687 |
|
688 |
/* Initialize the chassis */ |
689 |
if (router->chassis_driver->chassis_init(router) == -1) |
690 |
return(-1); |
691 |
|
692 |
/* Initialize RAM */ |
693 |
vm_ram_init(vm,0x00000000ULL); |
694 |
|
695 |
/* Initialize ROM */ |
696 |
if (!vm->rom_filename) { |
697 |
/* use embedded ROM */ |
698 |
dev_rom_init(vm,"rom",C3600_ROM_ADDR,vm->rom_size*1048576, |
699 |
mips64_microcode,mips64_microcode_len); |
700 |
} else { |
701 |
/* use alternate ROM */ |
702 |
dev_ram_init(vm,"rom",TRUE,TRUE,NULL,FALSE, |
703 |
C3600_ROM_ADDR,vm->rom_size*1048576); |
704 |
} |
705 |
|
706 |
/* Initialize the NS16552 DUART */ |
707 |
dev_ns16552_init(vm,C3600_DUART_ADDR,0x1000,3,C3600_DUART_IRQ, |
708 |
vm->vtty_con,vm->vtty_aux); |
709 |
|
710 |
/* Cirrus Logic PD6729 (PCI-to-PCMCIA host adapter) */ |
711 |
dev_clpd6729_init(vm,vm->pci_bus[0],20,vm->pci_io_space,0x4402,0x4403); |
712 |
|
713 |
/* Initialize Network Modules */ |
714 |
if (vm_slot_init_all(vm) == -1) |
715 |
return(-1); |
716 |
|
717 |
/* Show device list */ |
718 |
c3600_show_hardware(router); |
719 |
return(0); |
720 |
} |
721 |
|
722 |
/* Boot the IOS image */ |
723 |
static int c3600_boot_ios(c3600_t *router) |
724 |
{ |
725 |
vm_instance_t *vm = router->vm; |
726 |
cpu_mips_t *cpu; |
727 |
|
728 |
if (!vm->boot_cpu) |
729 |
return(-1); |
730 |
|
731 |
/* Suspend CPU activity since we will restart directly from ROM */ |
732 |
vm_suspend(vm); |
733 |
|
734 |
/* Check that CPU activity is really suspended */ |
735 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
736 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
737 |
return(-1); |
738 |
} |
739 |
|
740 |
/* Reset the boot CPU */ |
741 |
cpu = CPU_MIPS64(vm->boot_cpu); |
742 |
mips64_reset(cpu); |
743 |
|
744 |
/* Load IOS image */ |
745 |
if (mips64_load_elf_image(cpu,vm->ios_image, |
746 |
(vm->ghost_status == VM_GHOST_RAM_USE), |
747 |
&vm->ios_entry_point) < 0) |
748 |
{ |
749 |
vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); |
750 |
return(-1); |
751 |
} |
752 |
|
753 |
/* Launch the simulation */ |
754 |
printf("\nC3600 '%s': starting simulation (CPU0 PC=0x%llx), " |
755 |
"JIT %sabled.\n", |
756 |
vm->name,cpu->pc,vm->jit_use ? "en":"dis"); |
757 |
|
758 |
vm_log(vm,"C3600_BOOT", |
759 |
"starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n", |
760 |
cpu->pc,cpu->idle_pc,vm->jit_use ? "on":"off"); |
761 |
|
762 |
/* Start main CPU */ |
763 |
if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { |
764 |
vm->status = VM_STATUS_RUNNING; |
765 |
cpu_start(vm->boot_cpu); |
766 |
} else { |
767 |
vm->status = VM_STATUS_SHUTDOWN; |
768 |
} |
769 |
return(0); |
770 |
} |
771 |
|
772 |
/* Set an IRQ */ |
773 |
static void c3600_set_irq(vm_instance_t *vm,u_int irq) |
774 |
{ |
775 |
c3600_t *router = VM_C3600(vm); |
776 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
777 |
u_int slot,port; |
778 |
|
779 |
switch(irq) { |
780 |
case 0 ... 7: |
781 |
mips64_set_irq(cpu0,irq); |
782 |
|
783 |
if (cpu0->irq_idle_preempt[irq]) |
784 |
cpu_idle_break_wait(cpu0->gen); |
785 |
break; |
786 |
|
787 |
case C3600_NETIO_IRQ_BASE ... C3600_NETIO_IRQ_END: |
788 |
c3600_net_irq_get_slot_port(irq,&slot,&port); |
789 |
dev_c3600_iofpga_net_set_irq(router->iofpga_data,slot,port); |
790 |
break; |
791 |
} |
792 |
} |
793 |
|
794 |
/* Clear an IRQ */ |
795 |
static void c3600_clear_irq(vm_instance_t *vm,u_int irq) |
796 |
{ |
797 |
c3600_t *router = VM_C3600(vm); |
798 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
799 |
u_int slot,port; |
800 |
|
801 |
switch(irq) { |
802 |
case 0 ... 7: |
803 |
mips64_clear_irq(cpu0,irq); |
804 |
break; |
805 |
|
806 |
case C3600_NETIO_IRQ_BASE ... C3600_NETIO_IRQ_END: |
807 |
c3600_net_irq_get_slot_port(irq,&slot,&port); |
808 |
dev_c3600_iofpga_net_clear_irq(router->iofpga_data,slot,port); |
809 |
break; |
810 |
} |
811 |
} |
812 |
|
813 |
/* Initialize a Cisco 3600 instance */ |
814 |
static int c3600_init_instance(vm_instance_t *vm) |
815 |
{ |
816 |
c3600_t *router = VM_C3600(vm); |
817 |
m_uint32_t rom_entry_point; |
818 |
cpu_mips_t *cpu0; |
819 |
|
820 |
if (!vm->ios_image) { |
821 |
vm_error(vm,"no Cisco IOS image defined."); |
822 |
return(-1); |
823 |
} |
824 |
|
825 |
/* Initialize the C3600 platform */ |
826 |
if (c3600_init_platform(router) == -1) { |
827 |
vm_error(vm,"unable to initialize the platform hardware.\n"); |
828 |
return(-1); |
829 |
} |
830 |
|
831 |
/* IRQ routing */ |
832 |
vm->set_irq = c3600_set_irq; |
833 |
vm->clear_irq = c3600_clear_irq; |
834 |
|
835 |
/* Load IOS configuration file */ |
836 |
if (vm->ios_config != NULL) { |
837 |
vm_nvram_push_config(vm,vm->ios_config); |
838 |
vm->conf_reg &= ~0x40; |
839 |
} |
840 |
|
841 |
/* Load ROM (ELF image or embedded) */ |
842 |
cpu0 = CPU_MIPS64(vm->boot_cpu); |
843 |
rom_entry_point = (m_uint32_t)MIPS_ROM_PC; |
844 |
|
845 |
if ((vm->rom_filename != NULL) && |
846 |
(mips64_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) |
847 |
{ |
848 |
vm_error(vm,"unable to load alternate ROM '%s', " |
849 |
"fallback to embedded ROM.\n\n",vm->rom_filename); |
850 |
vm->rom_filename = NULL; |
851 |
} |
852 |
|
853 |
/* Load symbol file */ |
854 |
if (vm->sym_filename) { |
855 |
mips64_sym_load_file(cpu0,vm->sym_filename); |
856 |
cpu0->sym_trace = 1; |
857 |
} |
858 |
|
859 |
return(c3600_boot_ios(router)); |
860 |
} |
861 |
|
862 |
/* Stop a Cisco 3600 instance */ |
863 |
static int c3600_stop_instance(vm_instance_t *vm) |
864 |
{ |
865 |
printf("\nC3600 '%s': stopping simulation.\n",vm->name); |
866 |
vm_log(vm,"C3600_STOP","stopping simulation.\n"); |
867 |
|
868 |
/* Stop all CPUs */ |
869 |
if (vm->cpu_group != NULL) { |
870 |
vm_stop(vm); |
871 |
|
872 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
873 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
874 |
return(-1); |
875 |
} |
876 |
} |
877 |
|
878 |
/* Free resources that were used during execution to emulate hardware */ |
879 |
vm_slot_shutdown_all(vm); |
880 |
vm_hardware_shutdown(vm); |
881 |
return(0); |
882 |
} |
883 |
|
884 |
/* Get MAC address MSB */ |
885 |
static u_int c3600_get_mac_addr_msb(void) |
886 |
{ |
887 |
return(0xCC); |
888 |
} |
889 |
|
890 |
/* Parse specific options for the Cisco 3600 platform */ |
891 |
static int c3600_cli_parse_options(vm_instance_t *vm,int option) |
892 |
{ |
893 |
c3600_t *router = VM_C3600(vm); |
894 |
|
895 |
switch(option) { |
896 |
/* IO memory reserved for NMs (in percents!) */ |
897 |
case OPT_IOMEM_SIZE: |
898 |
vm->nm_iomem_size = 0x8000 | atoi(optarg); |
899 |
break; |
900 |
|
901 |
/* Chassis type */ |
902 |
case 't': |
903 |
c3600_chassis_set_type(router,optarg); |
904 |
break; |
905 |
|
906 |
/* Unknown option */ |
907 |
default: |
908 |
return(-1); |
909 |
} |
910 |
|
911 |
return(0); |
912 |
} |
913 |
|
914 |
/* Show specific CLI options */ |
915 |
static void c3600_cli_show_options(vm_instance_t *vm) |
916 |
{ |
917 |
printf(" -t <chassis_type> : Select Chassis type (default: \"%s\")\n" |
918 |
" --iomem-size <val> : IO memory (in percents, default: %u)\n" |
919 |
" -p <nm_desc> : Define a Network Module\n" |
920 |
" -s <nm_nio> : Bind a Network IO interface to a " |
921 |
"Network Module\n", |
922 |
C3600_DEFAULT_CHASSIS,vm->nm_iomem_size); |
923 |
} |
924 |
|
925 |
/* Platform definition */ |
926 |
static vm_platform_t c3600_platform = { |
927 |
"c3600", "C3600", "3600", |
928 |
c3600_create_instance, |
929 |
c3600_delete_instance, |
930 |
c3600_init_instance, |
931 |
c3600_stop_instance, |
932 |
c3600_nvram_extract_config, |
933 |
c3600_nvram_push_config, |
934 |
c3600_get_mac_addr_msb, |
935 |
c3600_save_config, |
936 |
c3600_cli_parse_options, |
937 |
c3600_cli_show_options, |
938 |
c3600_chassis_show_drivers, |
939 |
}; |
940 |
|
941 |
/* Register the c3600 platform */ |
942 |
int c3600_platform_register(void) |
943 |
{ |
944 |
if (vm_platform_register(&c3600_platform) == -1) |
945 |
return(-1); |
946 |
|
947 |
return(hypervisor_c3600_init(&c3600_platform)); |
948 |
} |