1 |
/* |
2 |
* Cisco router simulation platform. |
3 |
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* Generic Cisco 3725 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_c3725.h" |
25 |
#include "dev_c3725_iofpga.h" |
26 |
#include "dev_vtty.h" |
27 |
#include "registry.h" |
28 |
|
29 |
/* ======================================================================== */ |
30 |
/* EEPROM definitions */ |
31 |
/* ======================================================================== */ |
32 |
|
33 |
/* Cisco 3725 mainboard EEPROM */ |
34 |
static m_uint16_t eeprom_c3725_mainboard_data[] = { |
35 |
0x04FF, 0xC18B, 0x5858, 0x5858, 0x5858, 0x5858, 0x5858, 0x5809, |
36 |
0x6140, 0x0259, 0xC046, 0x0320, 0x003F, 0x1302, 0x4244, 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, 0x1319, 0x5C6F, |
40 |
0x7043, 0x0030, 0xC508, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x4100, |
41 |
0x0101, 0x02FF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
42 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
43 |
}; |
44 |
|
45 |
struct cisco_eeprom eeprom_c3725_mainboard = { |
46 |
"C3725 Backplane", |
47 |
eeprom_c3725_mainboard_data, |
48 |
sizeof(eeprom_c3725_mainboard_data)/2, |
49 |
}; |
50 |
|
51 |
/* ======================================================================== */ |
52 |
/* Network Module Drivers */ |
53 |
/* ======================================================================== */ |
54 |
static struct cisco_card_driver *nm_drivers[] = { |
55 |
&dev_c3725_nm_1fe_tx_driver, |
56 |
&dev_c3725_nm_16esw_driver, |
57 |
&dev_c3725_gt96100_fe_driver, |
58 |
&dev_c3725_nm_4t_driver, |
59 |
&dev_c3725_nm_nam_driver, |
60 |
&dev_c3725_nm_cids_driver, |
61 |
NULL, |
62 |
}; |
63 |
|
64 |
/* ======================================================================== */ |
65 |
/* Cisco 3725 router instances */ |
66 |
/* ======================================================================== */ |
67 |
|
68 |
/* Initialize default parameters for a C3725 */ |
69 |
static void c3725_init_defaults(c3725_t *router); |
70 |
|
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/* Directly extract the configuration from the NVRAM device */ |
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static ssize_t c3725_nvram_extract_config(vm_instance_t *vm,u_char **buffer) |
73 |
{ |
74 |
u_char *base_ptr,*ios_ptr,*cfg_ptr,*end_ptr; |
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m_uint32_t start,nvlen; |
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m_uint16_t magic1,magic2; |
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struct vdevice *nvram_dev; |
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off_t nvram_size; |
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int fd; |
80 |
|
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if ((nvram_dev = dev_get_by_name(vm,"rom"))) |
82 |
dev_sync(nvram_dev); |
83 |
|
84 |
fd = vm_mmap_open_file(vm,"rom",&base_ptr,&nvram_size); |
85 |
|
86 |
if (fd == -1) |
87 |
return(-1); |
88 |
|
89 |
ios_ptr = base_ptr + C3725_NVRAM_OFFSET; |
90 |
end_ptr = base_ptr + nvram_size; |
91 |
|
92 |
if ((ios_ptr + 0x30) >= end_ptr) { |
93 |
vm_error(vm,"NVRAM file too small\n"); |
94 |
return(-1); |
95 |
} |
96 |
|
97 |
magic1 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06)); |
98 |
magic2 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08)); |
99 |
|
100 |
if ((magic1 != 0xF0A5) || (magic2 != 0xABCD)) { |
101 |
vm_error(vm,"unable to find IOS magic numbers (0x%x,0x%x)!\n", |
102 |
magic1,magic2); |
103 |
return(-1); |
104 |
} |
105 |
|
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start = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10)) + 1; |
107 |
nvlen = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18)); |
108 |
|
109 |
if (!(*buffer = malloc(nvlen+1))) { |
110 |
vm_error(vm,"unable to allocate config buffer (%u bytes)\n",nvlen); |
111 |
return(-1); |
112 |
} |
113 |
|
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cfg_ptr = ios_ptr + start + 0x08; |
115 |
|
116 |
if ((cfg_ptr + nvlen) > end_ptr) { |
117 |
vm_error(vm,"NVRAM file too small\n"); |
118 |
return(-1); |
119 |
} |
120 |
|
121 |
memcpy(*buffer,cfg_ptr,nvlen-1); |
122 |
(*buffer)[nvlen-1] = 0; |
123 |
return(nvlen-1); |
124 |
} |
125 |
|
126 |
static int c3725_nvram_push_config_part(vm_instance_t *vm, |
127 |
u_char *buffer,size_t len, |
128 |
u_char *ios_ptr) |
129 |
{ |
130 |
m_uint32_t cfg_offset,cklen,tmp; |
131 |
m_uint16_t cksum; |
132 |
u_char *cfg_ptr; |
133 |
|
134 |
cfg_offset = 0x2c; |
135 |
cfg_ptr = ios_ptr + cfg_offset; |
136 |
|
137 |
/* Write IOS tag, uncompressed config... */ |
138 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06) = htons(0xF0A5); |
139 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08) = htons(0xABCD); |
140 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0a) = htons(0x0001); |
141 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(0x0000); |
142 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0e) = htons(0x0c04); |
143 |
|
144 |
/* Store file contents to NVRAM */ |
145 |
memcpy(cfg_ptr,buffer,len); |
146 |
|
147 |
/* Write config addresses + size */ |
148 |
tmp = cfg_offset - 0x08; |
149 |
|
150 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10) = htonl(tmp); |
151 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x14) = htonl(tmp + len); |
152 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18) = htonl(len); |
153 |
|
154 |
/* Compute the checksum */ |
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cklen = C3725_NVRAM_SIZE - 0x08; |
156 |
cksum = nvram_cksum((m_uint16_t *)(ios_ptr+0x08),cklen); |
157 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(cksum); |
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return(0); |
159 |
} |
160 |
|
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/* Directly push the IOS configuration to the NVRAM device */ |
162 |
int c3725_nvram_push_config(vm_instance_t *vm,u_char *buffer,size_t len) |
163 |
{ |
164 |
u_char *base_ptr,*ios_ptr; |
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int fd; |
166 |
|
167 |
fd = vm_mmap_create_file(vm,"rom",vm->rom_size*1048576,&base_ptr); |
168 |
|
169 |
if (fd == -1) |
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return(-1); |
171 |
|
172 |
ios_ptr = base_ptr + C3725_NVRAM_OFFSET; |
173 |
|
174 |
/* Normal config */ |
175 |
c3725_nvram_push_config_part(vm,buffer,len,ios_ptr); |
176 |
|
177 |
/* Backup config */ |
178 |
c3725_nvram_push_config_part(vm,buffer,len,ios_ptr + C3725_NVRAM_SIZE); |
179 |
|
180 |
vm_mmap_close_file(fd,base_ptr,vm->rom_size*1048576); |
181 |
return(0); |
182 |
} |
183 |
|
184 |
/* Check for empty config */ |
185 |
static int c3725_nvram_check_empty_config(vm_instance_t *vm) |
186 |
{ |
187 |
struct vdevice *rom_dev; |
188 |
m_uint64_t addr; |
189 |
size_t len; |
190 |
|
191 |
if (!(rom_dev = dev_get_by_name(vm,"rom"))) |
192 |
return(-1); |
193 |
|
194 |
addr = rom_dev->phys_addr + C3725_NVRAM_OFFSET; |
195 |
len = C3725_NVRAM_SIZE; |
196 |
|
197 |
while(len > 0) { |
198 |
if (physmem_copy_u32_from_vm(vm,addr) != 0) |
199 |
return(0); |
200 |
|
201 |
addr += sizeof(m_uint32_t); |
202 |
len -= sizeof(m_uint32_t); |
203 |
} |
204 |
|
205 |
/* Empty NVRAM */ |
206 |
vm->conf_reg |= 0x0040; |
207 |
printf("NVRAM is empty, setting config register to 0x%x\n",vm->conf_reg); |
208 |
return(0); |
209 |
} |
210 |
|
211 |
/* Create a new router instance */ |
212 |
static int c3725_create_instance(vm_instance_t *vm) |
213 |
{ |
214 |
c3725_t *router; |
215 |
|
216 |
if (!(router = malloc(sizeof(*router)))) { |
217 |
fprintf(stderr,"C3725 '%s': Unable to create new instance!\n",vm->name); |
218 |
return(-1); |
219 |
} |
220 |
|
221 |
memset(router,0,sizeof(*router)); |
222 |
router->vm = vm; |
223 |
vm->hw_data = router; |
224 |
|
225 |
c3725_init_defaults(router); |
226 |
return(0); |
227 |
} |
228 |
|
229 |
/* Free resources used by a router instance */ |
230 |
static int c3725_delete_instance(vm_instance_t *vm) |
231 |
{ |
232 |
c3725_t *router = VM_C3725(vm); |
233 |
int i; |
234 |
|
235 |
/* Stop all CPUs */ |
236 |
if (vm->cpu_group != NULL) { |
237 |
vm_stop(vm); |
238 |
|
239 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
240 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
241 |
return(FALSE); |
242 |
} |
243 |
} |
244 |
|
245 |
/* Remove NIO bindings */ |
246 |
for(i=0;i<vm->nr_slots;i++) |
247 |
vm_slot_remove_all_nio_bindings(vm,i); |
248 |
|
249 |
/* Shutdown all Network Modules */ |
250 |
vm_slot_shutdown_all(vm); |
251 |
|
252 |
/* Free mainboard EEPROM */ |
253 |
cisco_eeprom_free(&router->mb_eeprom); |
254 |
|
255 |
/* Free all resources used by VM */ |
256 |
vm_free(vm); |
257 |
|
258 |
/* Free the router structure */ |
259 |
free(router); |
260 |
return(TRUE); |
261 |
} |
262 |
|
263 |
/* Get WIC device address for the specified onboard port */ |
264 |
int c3725_get_onboard_wic_addr(u_int slot,m_uint64_t *phys_addr) |
265 |
{ |
266 |
if (slot >= C3725_MAX_WIC_BAYS) |
267 |
return(-1); |
268 |
|
269 |
*phys_addr = C3725_WIC_ADDR + (slot * C3725_WIC_SIZE); |
270 |
return(0); |
271 |
} |
272 |
|
273 |
/* Set EEPROM for the specified slot */ |
274 |
int c3725_set_slot_eeprom(c3725_t *router,u_int slot, |
275 |
struct cisco_eeprom *eeprom) |
276 |
{ |
277 |
if ((slot < 1) || (slot >= C3725_MAX_NM_BAYS)) |
278 |
return(-1); |
279 |
|
280 |
router->nm_eeprom_group[slot-1].eeprom[0] = eeprom; |
281 |
return(0); |
282 |
} |
283 |
|
284 |
/* Get slot/port corresponding to specified network IRQ */ |
285 |
static inline void |
286 |
c3725_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) |
287 |
{ |
288 |
irq -= C3725_NETIO_IRQ_BASE; |
289 |
*port = irq & C3725_NETIO_IRQ_PORT_MASK; |
290 |
*slot = irq >> C3725_NETIO_IRQ_PORT_BITS; |
291 |
} |
292 |
|
293 |
/* Get network IRQ for specified slot/port */ |
294 |
u_int c3725_net_irq_for_slot_port(u_int slot,u_int port) |
295 |
{ |
296 |
u_int irq; |
297 |
|
298 |
irq = (slot << C3725_NETIO_IRQ_PORT_BITS) + port; |
299 |
irq += C3725_NETIO_IRQ_BASE; |
300 |
|
301 |
return(irq); |
302 |
} |
303 |
|
304 |
/* Get PCI device for the specified NM bay */ |
305 |
int c3725_nm_get_pci_device(u_int nm_bay) |
306 |
{ |
307 |
switch(nm_bay) { |
308 |
case 1: |
309 |
return(0x06); |
310 |
case 2: |
311 |
return(0x0A); |
312 |
default: |
313 |
return(-1); |
314 |
} |
315 |
} |
316 |
|
317 |
/* Set the base MAC address of the chassis */ |
318 |
static int c3725_burn_mac_addr(c3725_t *router,n_eth_addr_t *addr) |
319 |
{ |
320 |
m_uint8_t eeprom_ver; |
321 |
size_t offset; |
322 |
|
323 |
/* Read EEPROM format version */ |
324 |
cisco_eeprom_get_byte(&router->mb_eeprom,0,&eeprom_ver); |
325 |
|
326 |
switch(eeprom_ver) { |
327 |
case 0: |
328 |
cisco_eeprom_set_region(&router->mb_eeprom,2,addr->eth_addr_byte,6); |
329 |
break; |
330 |
|
331 |
case 4: |
332 |
if (!cisco_eeprom_v4_find_field(&router->mb_eeprom,0xC3,&offset)) { |
333 |
cisco_eeprom_set_region(&router->mb_eeprom,offset, |
334 |
addr->eth_addr_byte,6); |
335 |
} |
336 |
break; |
337 |
|
338 |
default: |
339 |
vm_error(router->vm,"c3725_burn_mac_addr: unable to handle " |
340 |
"EEPROM version %u\n",eeprom_ver); |
341 |
return(-1); |
342 |
} |
343 |
|
344 |
return(0); |
345 |
} |
346 |
|
347 |
/* Set chassis MAC address */ |
348 |
int c3725_chassis_set_mac_addr(c3725_t *router,char *mac_addr) |
349 |
{ |
350 |
if (parse_mac_addr(&router->mac_addr,mac_addr) == -1) { |
351 |
vm_error(router->vm,"unable to parse MAC address '%s'.\n",mac_addr); |
352 |
return(-1); |
353 |
} |
354 |
|
355 |
/* Set the chassis base MAC address */ |
356 |
c3725_burn_mac_addr(router,&router->mac_addr); |
357 |
return(0); |
358 |
} |
359 |
|
360 |
/* Create the two main PCI busses for a GT64120 based system */ |
361 |
static int c3725_init_gt96100(c3725_t *router) |
362 |
{ |
363 |
vm_instance_t *vm = router->vm; |
364 |
vm_obj_t *obj; |
365 |
|
366 |
vm->pci_bus[0] = pci_bus_create("PCI bus #0",0); |
367 |
vm->pci_bus[1] = pci_bus_create("PCI bus #1",0); |
368 |
|
369 |
if (!vm->pci_bus[0] || !vm->pci_bus[1]) { |
370 |
vm_error(router->vm,"unable to create PCI data.\n"); |
371 |
return(-1); |
372 |
} |
373 |
|
374 |
if (dev_gt96100_init(vm,"gt96100",C3725_GT96K_ADDR,0x200000, |
375 |
C3725_GT96K_IRQ, |
376 |
C3725_EXT_IRQ, |
377 |
c3725_net_irq_for_slot_port(0,0), |
378 |
255) == -1) |
379 |
return(-1); |
380 |
|
381 |
if (!(obj = vm_object_find(router->vm,"gt96100"))) |
382 |
return(-1); |
383 |
|
384 |
router->gt_data = obj->data; |
385 |
return(0); |
386 |
} |
387 |
|
388 |
/* Initialize a Cisco 3725 */ |
389 |
static int c3725_init(c3725_t *router) |
390 |
{ |
391 |
vm_instance_t *vm = router->vm; |
392 |
|
393 |
/* Set the processor type: R7000 */ |
394 |
mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R7000); |
395 |
|
396 |
/* Initialize the Galileo GT-96100 PCI controller */ |
397 |
if (c3725_init_gt96100(router) == -1) |
398 |
return(-1); |
399 |
|
400 |
/* Initialize PCI map (NM slots 1 & 2) */ |
401 |
vm->slots_pci_bus[1] = vm->pci_bus[1]; |
402 |
vm->slots_pci_bus[2] = vm->pci_bus[1]; |
403 |
|
404 |
vm->elf_machine_id = C3725_ELF_MACHINE_ID; |
405 |
return(0); |
406 |
} |
407 |
|
408 |
/* Show C3725 hardware info */ |
409 |
void c3725_show_hardware(c3725_t *router) |
410 |
{ |
411 |
vm_instance_t *vm = router->vm; |
412 |
|
413 |
printf("C3725 instance '%s' (id %d):\n",vm->name,vm->instance_id); |
414 |
|
415 |
printf(" VM Status : %d\n",vm->status); |
416 |
printf(" RAM size : %u Mb\n",vm->ram_size); |
417 |
printf(" NVRAM size : %u Kb\n",vm->nvram_size); |
418 |
printf(" IOS image : %s\n\n",vm->ios_image); |
419 |
|
420 |
if (vm->debug_level > 0) { |
421 |
dev_show_list(vm); |
422 |
pci_dev_show_list(vm->pci_bus[0]); |
423 |
pci_dev_show_list(vm->pci_bus[1]); |
424 |
printf("\n"); |
425 |
} |
426 |
} |
427 |
|
428 |
/* Initialize default parameters for a C3725 */ |
429 |
static void c3725_init_defaults(c3725_t *router) |
430 |
{ |
431 |
vm_instance_t *vm = router->vm; |
432 |
n_eth_addr_t *m; |
433 |
m_uint16_t pid; |
434 |
|
435 |
/* Set platform slots characteristics */ |
436 |
vm->nr_slots = C3725_MAX_NM_BAYS; |
437 |
vm->slots_type = CISCO_CARD_TYPE_NM; |
438 |
vm->slots_drivers = nm_drivers; |
439 |
|
440 |
pid = (m_uint16_t)getpid(); |
441 |
|
442 |
/* Generate a chassis MAC address based on the instance ID */ |
443 |
m = &router->mac_addr; |
444 |
m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
445 |
m->eth_addr_byte[1] = vm->instance_id & 0xFF; |
446 |
m->eth_addr_byte[2] = pid >> 8; |
447 |
m->eth_addr_byte[3] = pid & 0xFF; |
448 |
m->eth_addr_byte[4] = 0x00; |
449 |
m->eth_addr_byte[5] = 0x00; |
450 |
|
451 |
c3725_init_eeprom_groups(router); |
452 |
cisco_eeprom_copy(&router->mb_eeprom,&eeprom_c3725_mainboard); |
453 |
c3725_burn_mac_addr(router,&router->mac_addr); |
454 |
|
455 |
/* The GT96100 system controller has 2 integrated FastEthernet ports */ |
456 |
vm_slot_add_binding(vm,"GT96100-FE",0,0); |
457 |
|
458 |
vm->ram_mmap = C3725_DEFAULT_RAM_MMAP; |
459 |
vm->ram_size = C3725_DEFAULT_RAM_SIZE; |
460 |
vm->rom_size = C3725_DEFAULT_ROM_SIZE; |
461 |
vm->nvram_size = C3725_DEFAULT_NVRAM_SIZE; |
462 |
vm->conf_reg_setup = C3725_DEFAULT_CONF_REG; |
463 |
vm->clock_divisor = C3725_DEFAULT_CLOCK_DIV; |
464 |
vm->nvram_rom_space = C3725_NVRAM_ROM_RES_SIZE; |
465 |
vm->nm_iomem_size = C3725_DEFAULT_IOMEM_SIZE; |
466 |
|
467 |
vm->pcmcia_disk_size[0] = C3725_DEFAULT_DISK0_SIZE; |
468 |
vm->pcmcia_disk_size[1] = C3725_DEFAULT_DISK1_SIZE; |
469 |
} |
470 |
|
471 |
/* Initialize the C3725 Platform */ |
472 |
static int c3725_init_platform(c3725_t *router) |
473 |
{ |
474 |
vm_instance_t *vm = router->vm; |
475 |
cpu_mips_t *cpu; |
476 |
cpu_gen_t *gen; |
477 |
vm_obj_t *obj; |
478 |
|
479 |
/* Copy config register setup into "active" config register */ |
480 |
vm->conf_reg = vm->conf_reg_setup; |
481 |
|
482 |
/* Create Console and AUX ports */ |
483 |
vm_init_vtty(vm); |
484 |
|
485 |
/* Create a CPU group */ |
486 |
vm->cpu_group = cpu_group_create("System CPU"); |
487 |
|
488 |
/* Initialize the virtual MIPS processor */ |
489 |
if (!(gen = cpu_create(vm,CPU_TYPE_MIPS64,0))) { |
490 |
vm_error(vm,"unable to create CPU!\n"); |
491 |
return(-1); |
492 |
} |
493 |
|
494 |
cpu = CPU_MIPS64(gen); |
495 |
|
496 |
/* Add this CPU to the system CPU group */ |
497 |
cpu_group_add(vm->cpu_group,gen); |
498 |
vm->boot_cpu = gen; |
499 |
|
500 |
/* Initialize the IRQ routing vectors */ |
501 |
vm->set_irq = mips64_vm_set_irq; |
502 |
vm->clear_irq = mips64_vm_clear_irq; |
503 |
|
504 |
/* Mark the Network IO interrupt as high priority */ |
505 |
cpu->irq_idle_preempt[C3725_NETIO_IRQ] = TRUE; |
506 |
cpu->irq_idle_preempt[C3725_GT96K_IRQ] = TRUE; |
507 |
cpu->irq_idle_preempt[C3725_DUART_IRQ] = TRUE; |
508 |
|
509 |
/* Copy some parameters from VM to CPU (idle PC, ...) */ |
510 |
cpu->idle_pc = vm->idle_pc; |
511 |
|
512 |
if (vm->timer_irq_check_itv) |
513 |
cpu->timer_irq_check_itv = vm->timer_irq_check_itv; |
514 |
|
515 |
/* Remote emulator control */ |
516 |
dev_remote_control_init(vm,0x16000000,0x1000); |
517 |
|
518 |
/* Specific Storage Area (SSA) */ |
519 |
dev_ram_init(vm,"ssa",TRUE,FALSE,NULL,FALSE,0x16001000ULL,0x7000); |
520 |
|
521 |
/* IO FPGA */ |
522 |
if (dev_c3725_iofpga_init(router,C3725_IOFPGA_ADDR,0x40000) == -1) |
523 |
return(-1); |
524 |
|
525 |
if (!(obj = vm_object_find(router->vm,"io_fpga"))) |
526 |
return(-1); |
527 |
|
528 |
router->iofpga_data = obj->data; |
529 |
|
530 |
#if 0 |
531 |
/* PCI IO space */ |
532 |
if (!(vm->pci_io_space = pci_io_data_init(vm,C3725_PCI_IO_ADDR))) |
533 |
return(-1); |
534 |
#endif |
535 |
|
536 |
/* Initialize the chassis */ |
537 |
if (c3725_init(router) == -1) |
538 |
return(-1); |
539 |
|
540 |
/* Initialize RAM */ |
541 |
vm_ram_init(vm,0x00000000ULL); |
542 |
|
543 |
/* Initialize ROM (as a Flash) */ |
544 |
if (!(obj = dev_flash_init(vm,"rom",C3725_ROM_ADDR,vm->rom_size*1048576))) |
545 |
return(-1); |
546 |
|
547 |
dev_flash_copy_data(obj,0,mips64_microcode,mips64_microcode_len); |
548 |
c3725_nvram_check_empty_config(vm); |
549 |
|
550 |
/* Byte swapping */ |
551 |
dev_bswap_init(vm,"mem_bswap",C3725_BSWAP_ADDR,1024*1048576,0x00000000ULL); |
552 |
|
553 |
/* Initialize the NS16552 DUART */ |
554 |
dev_ns16552_init(vm,C3725_DUART_ADDR,0x1000,3,C3725_DUART_IRQ, |
555 |
vm->vtty_con,vm->vtty_aux); |
556 |
|
557 |
/* PCMCIA Slot 0 */ |
558 |
dev_pcmcia_disk_init(vm,"slot0",C3725_SLOT0_ADDR,0x200000, |
559 |
vm->pcmcia_disk_size[0],1); |
560 |
|
561 |
/* PCMCIA Slot 1 */ |
562 |
dev_pcmcia_disk_init(vm,"slot1",C3725_SLOT1_ADDR,0x200000, |
563 |
vm->pcmcia_disk_size[1],1); |
564 |
|
565 |
/* Initialize Network Modules */ |
566 |
if (vm_slot_init_all(vm) == -1) |
567 |
return(-1); |
568 |
|
569 |
/* Show device list */ |
570 |
c3725_show_hardware(router); |
571 |
return(0); |
572 |
} |
573 |
|
574 |
/* Boot the IOS image */ |
575 |
static int c3725_boot_ios(c3725_t *router) |
576 |
{ |
577 |
vm_instance_t *vm = router->vm; |
578 |
cpu_mips_t *cpu; |
579 |
|
580 |
if (!vm->boot_cpu) |
581 |
return(-1); |
582 |
|
583 |
/* Suspend CPU activity since we will restart directly from ROM */ |
584 |
vm_suspend(vm); |
585 |
|
586 |
/* Check that CPU activity is really suspended */ |
587 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
588 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
589 |
return(-1); |
590 |
} |
591 |
|
592 |
/* Reset the boot CPU */ |
593 |
cpu = CPU_MIPS64(vm->boot_cpu); |
594 |
mips64_reset(cpu); |
595 |
|
596 |
/* Load IOS image */ |
597 |
if (mips64_load_elf_image(cpu,vm->ios_image, |
598 |
(vm->ghost_status == VM_GHOST_RAM_USE), |
599 |
&vm->ios_entry_point) < 0) |
600 |
{ |
601 |
vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); |
602 |
return(-1); |
603 |
} |
604 |
|
605 |
/* Launch the simulation */ |
606 |
printf("\nC3725 '%s': starting simulation (CPU0 PC=0x%llx), " |
607 |
"JIT %sabled.\n", |
608 |
vm->name,cpu->pc,vm->jit_use ? "en":"dis"); |
609 |
|
610 |
vm_log(vm,"C3725_BOOT", |
611 |
"starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n", |
612 |
cpu->pc,cpu->idle_pc,vm->jit_use ? "on":"off"); |
613 |
|
614 |
/* Start main CPU */ |
615 |
if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { |
616 |
vm->status = VM_STATUS_RUNNING; |
617 |
cpu_start(vm->boot_cpu); |
618 |
} else { |
619 |
vm->status = VM_STATUS_SHUTDOWN; |
620 |
} |
621 |
return(0); |
622 |
} |
623 |
|
624 |
/* Set an IRQ */ |
625 |
static void c3725_set_irq(vm_instance_t *vm,u_int irq) |
626 |
{ |
627 |
c3725_t *router = VM_C3725(vm); |
628 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
629 |
u_int slot,port; |
630 |
|
631 |
switch(irq) { |
632 |
case 0 ... 7: |
633 |
mips64_set_irq(cpu0,irq); |
634 |
|
635 |
if (cpu0->irq_idle_preempt[irq]) |
636 |
cpu_idle_break_wait(cpu0->gen); |
637 |
break; |
638 |
|
639 |
case C3725_NETIO_IRQ_BASE ... C3725_NETIO_IRQ_END: |
640 |
c3725_net_irq_get_slot_port(irq,&slot,&port); |
641 |
dev_c3725_iofpga_net_set_irq(router->iofpga_data,slot,port); |
642 |
break; |
643 |
} |
644 |
} |
645 |
|
646 |
/* Clear an IRQ */ |
647 |
static void c3725_clear_irq(vm_instance_t *vm,u_int irq) |
648 |
{ |
649 |
c3725_t *router = VM_C3725(vm); |
650 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
651 |
u_int slot,port; |
652 |
|
653 |
switch(irq) { |
654 |
case 0 ... 7: |
655 |
mips64_clear_irq(cpu0,irq); |
656 |
break; |
657 |
|
658 |
case C3725_NETIO_IRQ_BASE ... C3725_NETIO_IRQ_END: |
659 |
c3725_net_irq_get_slot_port(irq,&slot,&port); |
660 |
dev_c3725_iofpga_net_clear_irq(router->iofpga_data,slot,port); |
661 |
break; |
662 |
} |
663 |
} |
664 |
|
665 |
/* Initialize a Cisco 3725 instance */ |
666 |
static int c3725_init_instance(vm_instance_t *vm) |
667 |
{ |
668 |
c3725_t *router = VM_C3725(vm); |
669 |
m_uint32_t rom_entry_point; |
670 |
cpu_mips_t *cpu0; |
671 |
|
672 |
if (!vm->ios_image) { |
673 |
vm_error(vm,"no Cisco IOS image defined."); |
674 |
return(-1); |
675 |
} |
676 |
|
677 |
/* Initialize the C3725 platform */ |
678 |
if (c3725_init_platform(router) == -1) { |
679 |
vm_error(vm,"unable to initialize the platform hardware.\n"); |
680 |
return(-1); |
681 |
} |
682 |
|
683 |
/* IRQ routing */ |
684 |
vm->set_irq = c3725_set_irq; |
685 |
vm->clear_irq = c3725_clear_irq; |
686 |
|
687 |
/* Load IOS configuration file */ |
688 |
if (vm->ios_config != NULL) { |
689 |
vm_nvram_push_config(vm,vm->ios_config); |
690 |
vm->conf_reg &= ~0x40; |
691 |
} |
692 |
|
693 |
/* Load ROM (ELF image or embedded) */ |
694 |
cpu0 = CPU_MIPS64(vm->boot_cpu); |
695 |
rom_entry_point = (m_uint32_t)MIPS_ROM_PC; |
696 |
|
697 |
if ((vm->rom_filename != NULL) && |
698 |
(mips64_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) |
699 |
{ |
700 |
vm_error(vm,"unable to load alternate ROM '%s', " |
701 |
"fallback to embedded ROM.\n\n",vm->rom_filename); |
702 |
vm->rom_filename = NULL; |
703 |
} |
704 |
|
705 |
/* Load symbol file */ |
706 |
if (vm->sym_filename) { |
707 |
mips64_sym_load_file(cpu0,vm->sym_filename); |
708 |
cpu0->sym_trace = 1; |
709 |
} |
710 |
|
711 |
return(c3725_boot_ios(router)); |
712 |
} |
713 |
|
714 |
/* Stop a Cisco 3725 instance */ |
715 |
static int c3725_stop_instance(vm_instance_t *vm) |
716 |
{ |
717 |
printf("\nC3725 '%s': stopping simulation.\n",vm->name); |
718 |
vm_log(vm,"C3725_STOP","stopping simulation.\n"); |
719 |
|
720 |
/* Stop all CPUs */ |
721 |
if (vm->cpu_group != NULL) { |
722 |
vm_stop(vm); |
723 |
|
724 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
725 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
726 |
return(-1); |
727 |
} |
728 |
} |
729 |
|
730 |
/* Free resources that were used during execution to emulate hardware */ |
731 |
vm_slot_shutdown_all(vm); |
732 |
vm_hardware_shutdown(vm); |
733 |
return(0); |
734 |
} |
735 |
|
736 |
/* Get MAC address MSB */ |
737 |
static u_int c3725_get_mac_addr_msb(void) |
738 |
{ |
739 |
return(0xC2); |
740 |
} |
741 |
|
742 |
/* Parse specific options for the Cisco 3725 platform */ |
743 |
static int c3725_cli_parse_options(vm_instance_t *vm,int option) |
744 |
{ |
745 |
switch(option) { |
746 |
/* IO memory reserved for NMs (in percents!) */ |
747 |
case OPT_IOMEM_SIZE: |
748 |
vm->nm_iomem_size = 0x8000 | atoi(optarg); |
749 |
break; |
750 |
|
751 |
/* Unknown option */ |
752 |
default: |
753 |
return(-1); |
754 |
} |
755 |
|
756 |
return(0); |
757 |
} |
758 |
|
759 |
/* Show specific CLI options */ |
760 |
static void c3725_cli_show_options(vm_instance_t *vm) |
761 |
{ |
762 |
printf(" --iomem-size <val> : IO memory (in percents, default: %u)\n" |
763 |
" -p <nm_desc> : Define a Network Module\n" |
764 |
" -s <nm_nio> : Bind a Network IO interface to a " |
765 |
"Network Module\n", |
766 |
vm->nm_iomem_size); |
767 |
} |
768 |
|
769 |
/* Platform definition */ |
770 |
static vm_platform_t c3725_platform = { |
771 |
"c3725", "C3725", "3725", |
772 |
c3725_create_instance, |
773 |
c3725_delete_instance, |
774 |
c3725_init_instance, |
775 |
c3725_stop_instance, |
776 |
c3725_nvram_extract_config, |
777 |
c3725_nvram_push_config, |
778 |
c3725_get_mac_addr_msb, |
779 |
NULL, |
780 |
c3725_cli_parse_options, |
781 |
c3725_cli_show_options, |
782 |
NULL, |
783 |
}; |
784 |
|
785 |
/* Register the c3725 platform */ |
786 |
int c3725_platform_register(void) |
787 |
{ |
788 |
if (vm_platform_register(&c3725_platform) == -1) |
789 |
return(-1); |
790 |
|
791 |
return(hypervisor_c3725_init(&c3725_platform)); |
792 |
} |