1 |
/* |
2 |
* Cisco router simulation platform. |
3 |
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* Generic Cisco 2600 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 "ppc32_mem.h" |
21 |
#include "pci_io.h" |
22 |
#include "cisco_eeprom.h" |
23 |
#include "dev_mpc860.h" |
24 |
#include "dev_rom.h" |
25 |
#include "dev_c2600.h" |
26 |
#include "dev_c2600_iofpga.h" |
27 |
#include "dev_vtty.h" |
28 |
#include "registry.h" |
29 |
|
30 |
/* ======================================================================== */ |
31 |
/* EEPROM definitions */ |
32 |
/* ======================================================================== */ |
33 |
|
34 |
/* Cisco 2600 mainboard EEPROM */ |
35 |
static m_uint16_t eeprom_c2600_mb_data[] = { |
36 |
0x0101, 0x0404, 0x0000, 0x0000, 0x4320, 0x00FF, 0x0091, 0x0020, |
37 |
0x0000, 0x0000, 0x0000, 0x0000, 0x3030, 0x3000, 0x0030, 0x3030, |
38 |
0x3002, 0x0200, 0x0000, 0x0000, 0x00FF, 0xFFFF, 0x5006, 0x490B, |
39 |
0x1709, 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 |
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
44 |
}; |
45 |
|
46 |
struct c2600_mb_id { |
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char *name; |
48 |
char *mb_driver; |
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m_uint16_t id; |
50 |
int xm_model; |
51 |
int supported; |
52 |
}; |
53 |
|
54 |
struct c2600_mb_id c2600_mainboard_id[] = { |
55 |
{ "2610" , "CISCO2600-MB-1E" , 0x0091, FALSE, TRUE }, |
56 |
{ "2611" , "CISCO2600-MB-2E" , 0x0092, FALSE, TRUE }, |
57 |
{ "2620" , "CISCO2600-MB-1FE" , 0x0094, FALSE, TRUE }, |
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{ "2621" , "CISCO2600-MB-2FE" , 0x00a2, FALSE, TRUE }, |
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{ "2610XM" , "CISCO2600-MB-1FE" , 0x036a, TRUE, TRUE }, |
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{ "2611XM" , "CISCO2600-MB-2FE" , 0x036b, TRUE, FALSE }, |
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{ "2620XM" , "CISCO2600-MB-1FE" , 0x036c, TRUE, TRUE }, |
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{ "2621XM" , "CISCO2600-MB-2FE" , 0x036d, TRUE, FALSE }, |
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{ "2650XM" , "CISCO2600-MB-1FE" , 0x036e, TRUE, TRUE }, |
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{ "2651XM" , "CISCO2600-MB-2FE" , 0x036f, TRUE, FALSE }, |
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{ NULL , NULL , 0x0000, FALSE, FALSE }, |
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}; |
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|
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/* ======================================================================== */ |
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/* Network Module Drivers */ |
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/* ======================================================================== */ |
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static struct cisco_card_driver *nm_drivers[] = { |
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&dev_c2600_mb1e_eth_driver, |
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&dev_c2600_mb2e_eth_driver, |
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&dev_c2600_mb1fe_eth_driver, |
75 |
&dev_c2600_mb2fe_eth_driver, |
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|
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&dev_c2600_nm_1e_driver, |
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&dev_c2600_nm_4e_driver, |
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&dev_c2600_nm_1fe_tx_driver, |
80 |
&dev_c2600_nm_16esw_driver, |
81 |
|
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&dev_c2600_nm_nam_driver, |
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&dev_c2600_nm_cids_driver, |
84 |
|
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NULL, |
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}; |
87 |
|
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/* ======================================================================== */ |
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/* Cisco 2600 router instances */ |
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/* ======================================================================== */ |
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|
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/* Initialize default parameters for a C2600 */ |
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static void c2600_init_defaults(c2600_t *router); |
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|
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/* Read a byte from the NVRAM */ |
96 |
static inline m_uint8_t nvram_read_byte(u_char *base,u_int offset) |
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{ |
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m_uint8_t *ptr; |
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|
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ptr = (m_uint8_t *)base + (offset << 2); |
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return(*ptr); |
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} |
103 |
|
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/* Write a byte to the NVRAM */ |
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static inline void nvram_write_byte(u_char *base,u_int offset,m_uint8_t val) |
106 |
{ |
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m_uint8_t *ptr; |
108 |
|
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ptr = (m_uint8_t *)base + (offset << 2); |
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*ptr = val; |
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} |
112 |
|
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/* Read a 16-bit value from NVRAM */ |
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static m_uint16_t nvram_read16(u_char *base,u_int offset) |
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{ |
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m_uint16_t val; |
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val = nvram_read_byte(base,offset) << 8; |
118 |
val |= nvram_read_byte(base,offset+1); |
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return(val); |
120 |
} |
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|
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/* Write a 16-bit value to NVRAM */ |
123 |
static void nvram_write16(u_char *base,u_int offset,m_uint16_t val) |
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{ |
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nvram_write_byte(base,offset,val >> 8); |
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nvram_write_byte(base,offset+1,val & 0xFF); |
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} |
128 |
|
129 |
/* Read a 32-bit value from NVRAM */ |
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static m_uint32_t nvram_read32(u_char *base,u_int offset) |
131 |
{ |
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m_uint32_t val; |
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val = nvram_read_byte(base,offset) << 24; |
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val |= nvram_read_byte(base,offset+1) << 16; |
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val |= nvram_read_byte(base,offset+2) << 8; |
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val |= nvram_read_byte(base,offset+3); |
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return(val); |
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} |
139 |
|
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/* Write a 32-bit value to NVRAM */ |
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static void nvram_write32(u_char *base,u_int offset,m_uint32_t val) |
142 |
{ |
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nvram_write_byte(base,offset,val >> 24); |
144 |
nvram_write_byte(base,offset+1,val >> 16); |
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nvram_write_byte(base,offset+2,val >> 8); |
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nvram_write_byte(base,offset+3,val & 0xFF); |
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} |
148 |
|
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/* Read a buffer from NVRAM */ |
150 |
static void nvram_memcpy_from(u_char *base,u_int offset,u_char *data,u_int len) |
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{ |
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u_int i; |
153 |
|
154 |
for(i=0;i<len;i++) { |
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*data = nvram_read_byte(base,offset+i); |
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data++; |
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} |
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} |
159 |
|
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/* Write a buffer from NVRAM */ |
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static void nvram_memcpy_to(u_char *base,u_int offset,u_char *data,u_int len) |
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{ |
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u_int i; |
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|
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for(i=0;i<len;i++) { |
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nvram_write_byte(base,offset+i,*data); |
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data++; |
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} |
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} |
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|
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/* Directly extract the configuration from the NVRAM device */ |
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ssize_t c2600_nvram_extract_config(vm_instance_t *vm,u_char **buffer) |
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{ |
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u_char *base_ptr; |
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u_int 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; |
180 |
int fd; |
181 |
|
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if ((nvram_dev = dev_get_by_name(vm,"nvram"))) |
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dev_sync(nvram_dev); |
184 |
|
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fd = vm_mmap_open_file(vm,"nvram",&base_ptr,&nvram_size); |
186 |
|
187 |
if (fd == -1) |
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return(-1); |
189 |
|
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ios_ptr = vm->nvram_rom_space; |
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end_ptr = nvram_size; |
192 |
|
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if ((ios_ptr + 0x30) >= end_ptr) { |
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vm_error(vm,"NVRAM file too small\n"); |
195 |
return(-1); |
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} |
197 |
|
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magic1 = nvram_read16(base_ptr,ios_ptr+0x06); |
199 |
magic2 = nvram_read16(base_ptr,ios_ptr+0x08); |
200 |
|
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if ((magic1 != 0xF0A5) || (magic2 != 0xABCD)) { |
202 |
vm_error(vm,"unable to find IOS magic numbers (0x%x,0x%x)!\n", |
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magic1,magic2); |
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return(-1); |
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} |
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|
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start = nvram_read32(base_ptr,ios_ptr+0x10) + 1; |
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nvlen = nvram_read32(base_ptr,ios_ptr+0x18); |
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|
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printf("START = 0x%8.8x, LEN = 0x%8.8x\n",start,nvlen); |
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printf("END = 0x%8.8x\n",nvram_read32(base_ptr,ios_ptr+0x14)); |
212 |
|
213 |
if (!(*buffer = malloc(nvlen+1))) { |
214 |
vm_error(vm,"unable to allocate config buffer (%u bytes)\n",nvlen); |
215 |
return(-1); |
216 |
} |
217 |
|
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cfg_ptr = ios_ptr + start + 0x08; |
219 |
|
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if ((cfg_ptr + nvlen) > end_ptr) { |
221 |
vm_error(vm,"NVRAM file too small\n"); |
222 |
return(-1); |
223 |
} |
224 |
|
225 |
nvram_memcpy_from(base_ptr,cfg_ptr,*buffer,nvlen-1); |
226 |
(*buffer)[nvlen-1] = 0; |
227 |
return(nvlen-1); |
228 |
} |
229 |
|
230 |
/* Compute NVRAM checksum */ |
231 |
static m_uint16_t c2600_nvram_cksum(u_char *base_ptr,u_int offset,size_t count) |
232 |
{ |
233 |
m_uint32_t sum = 0; |
234 |
|
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while(count > 1) { |
236 |
sum = sum + nvram_read16(base_ptr,offset); |
237 |
offset += 2; |
238 |
count -= sizeof(m_uint16_t); |
239 |
} |
240 |
|
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if (count > 0) |
242 |
sum = sum + ((nvram_read16(base_ptr,offset) & 0xFF) << 8); |
243 |
|
244 |
while(sum>>16) |
245 |
sum = (sum & 0xffff) + (sum >> 16); |
246 |
|
247 |
return(~sum); |
248 |
} |
249 |
|
250 |
/* Directly push the IOS configuration to the NVRAM device */ |
251 |
int c2600_nvram_push_config(vm_instance_t *vm,u_char *buffer,size_t len) |
252 |
{ |
253 |
m_uint32_t cfg_offset,cklen,tmp,ios_ptr,cfg_ptr; |
254 |
m_uint16_t cksum; |
255 |
u_char *base_ptr; |
256 |
int fd; |
257 |
|
258 |
fd = vm_mmap_create_file(vm,"nvram",vm->nvram_size*4096,&base_ptr); |
259 |
|
260 |
if (fd == -1) |
261 |
return(-1); |
262 |
|
263 |
cfg_offset = 0x2c; |
264 |
ios_ptr = vm->nvram_rom_space; |
265 |
cfg_ptr = ios_ptr + cfg_offset; |
266 |
|
267 |
/* Write IOS tag, uncompressed config... */ |
268 |
nvram_write16(base_ptr,ios_ptr+0x06,0xF0A5); |
269 |
nvram_write16(base_ptr,ios_ptr+0x08,0xABCD); |
270 |
nvram_write16(base_ptr,ios_ptr+0x0a,0x0001); |
271 |
nvram_write16(base_ptr,ios_ptr+0x0c,0x0000); |
272 |
nvram_write16(base_ptr,ios_ptr+0x0e,0x0c04); |
273 |
|
274 |
/* Store file contents to NVRAM */ |
275 |
nvram_memcpy_to(base_ptr,cfg_ptr,buffer,len); |
276 |
|
277 |
/* Write config addresses + size */ |
278 |
tmp = cfg_offset - 0x08; |
279 |
|
280 |
nvram_write32(base_ptr,ios_ptr+0x10,tmp); |
281 |
nvram_write32(base_ptr,ios_ptr+0x14,tmp + len); |
282 |
nvram_write32(base_ptr,ios_ptr+0x18,len); |
283 |
|
284 |
/* Compute the checksum */ |
285 |
cklen = (vm->nvram_size*1024) - (vm->nvram_rom_space + 0x08); |
286 |
cksum = c2600_nvram_cksum(base_ptr,ios_ptr+0x08,cklen); |
287 |
nvram_write16(base_ptr,ios_ptr+0x0c,cksum); |
288 |
|
289 |
vm_mmap_close_file(fd,base_ptr,vm->nvram_size*4096); |
290 |
return(0); |
291 |
} |
292 |
|
293 |
/* Check for empty config */ |
294 |
int c2600_nvram_check_empty_config(vm_instance_t *vm) |
295 |
{ |
296 |
struct vdevice *dev; |
297 |
m_uint64_t addr; |
298 |
m_uint32_t len; |
299 |
|
300 |
if (!(dev = dev_get_by_name(vm,"nvram"))) |
301 |
return(-1); |
302 |
|
303 |
addr = dev->phys_addr + (vm->nvram_rom_space << 2); |
304 |
len = dev->phys_len - (vm->nvram_rom_space << 2); |
305 |
|
306 |
while(len > 0) { |
307 |
if (physmem_copy_u32_from_vm(vm,addr) != 0) |
308 |
return(0); |
309 |
|
310 |
addr += sizeof(m_uint32_t); |
311 |
len -= sizeof(m_uint32_t); |
312 |
} |
313 |
|
314 |
/* Empty NVRAM */ |
315 |
vm->conf_reg |= 0x0040; |
316 |
printf("NVRAM is empty, setting config register to 0x%x\n",vm->conf_reg); |
317 |
return(0); |
318 |
} |
319 |
|
320 |
/* Create a new router instance */ |
321 |
static int c2600_create_instance(vm_instance_t *vm) |
322 |
{ |
323 |
c2600_t *router; |
324 |
|
325 |
if (!(router = malloc(sizeof(*router)))) { |
326 |
fprintf(stderr,"C2600 '%s': Unable to create new instance!\n",vm->name); |
327 |
return(-1); |
328 |
} |
329 |
|
330 |
memset(router,0,sizeof(*router)); |
331 |
router->vm = vm; |
332 |
vm->hw_data = router; |
333 |
|
334 |
c2600_init_defaults(router); |
335 |
return(0); |
336 |
} |
337 |
|
338 |
/* Free resources used by a router instance */ |
339 |
static int c2600_delete_instance(vm_instance_t *vm) |
340 |
{ |
341 |
c2600_t *router = VM_C2600(vm); |
342 |
int i; |
343 |
|
344 |
/* Stop all CPUs */ |
345 |
if (vm->cpu_group != NULL) { |
346 |
vm_stop(vm); |
347 |
|
348 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
349 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
350 |
return(FALSE); |
351 |
} |
352 |
} |
353 |
|
354 |
/* Remove NIO bindings */ |
355 |
for(i=0;i<vm->nr_slots;i++) |
356 |
vm_slot_remove_all_nio_bindings(vm,i); |
357 |
|
358 |
/* Shutdown all Network Modules */ |
359 |
vm_slot_shutdown_all(vm); |
360 |
|
361 |
/* Free mainboard EEPROM */ |
362 |
cisco_eeprom_free(&router->mb_eeprom); |
363 |
|
364 |
/* Free all resources used by VM */ |
365 |
vm_free(vm); |
366 |
|
367 |
/* Free the router structure */ |
368 |
free(router); |
369 |
return(TRUE); |
370 |
} |
371 |
|
372 |
/* Save configuration of a C2600 instance */ |
373 |
void c2600_save_config(vm_instance_t *vm,FILE *fd) |
374 |
{ |
375 |
c2600_t *router = VM_C2600(vm); |
376 |
|
377 |
fprintf(fd,"c2600 set_chassis %s %s\n\n",vm->name,router->mainboard_type); |
378 |
} |
379 |
|
380 |
/* Get WIC device address for the specified onboard port */ |
381 |
int c2600_get_onboard_wic_addr(u_int slot,m_uint64_t *phys_addr) |
382 |
{ |
383 |
if (slot >= C2600_MAX_WIC_BAYS) |
384 |
return(-1); |
385 |
|
386 |
*phys_addr = C2600_WIC_ADDR + (slot * C2600_WIC_SIZE); |
387 |
return(0); |
388 |
} |
389 |
|
390 |
/* Set EEPROM for the specified slot */ |
391 |
int c2600_set_slot_eeprom(c2600_t *router,u_int slot, |
392 |
struct cisco_eeprom *eeprom) |
393 |
{ |
394 |
switch(slot) { |
395 |
case 1: |
396 |
router->nm_eeprom_group.eeprom[0] = eeprom; |
397 |
return(0); |
398 |
default: |
399 |
return(-1); |
400 |
} |
401 |
} |
402 |
|
403 |
/* Get slot/port corresponding to specified network IRQ */ |
404 |
static inline void |
405 |
c2600_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) |
406 |
{ |
407 |
irq -= C2600_NETIO_IRQ_BASE; |
408 |
*port = irq & C2600_NETIO_IRQ_PORT_MASK; |
409 |
*slot = irq >> C2600_NETIO_IRQ_PORT_BITS; |
410 |
} |
411 |
|
412 |
/* Get network IRQ for specified slot/port */ |
413 |
u_int c2600_net_irq_for_slot_port(u_int slot,u_int port) |
414 |
{ |
415 |
u_int irq; |
416 |
|
417 |
irq = (slot << C2600_NETIO_IRQ_PORT_BITS) + port; |
418 |
irq += C2600_NETIO_IRQ_BASE; |
419 |
|
420 |
return(irq); |
421 |
} |
422 |
|
423 |
/* Find Cisco 2600 Mainboard info */ |
424 |
static struct c2600_mb_id *c2600_get_mb_info(char *mainboard_type) |
425 |
{ |
426 |
int i; |
427 |
|
428 |
for(i=0;c2600_mainboard_id[i].name;i++) |
429 |
if (!strcmp(c2600_mainboard_id[i].name,mainboard_type)) |
430 |
return(&c2600_mainboard_id[i]); |
431 |
|
432 |
return NULL; |
433 |
} |
434 |
|
435 |
/* Show all available mainboards */ |
436 |
void c2600_mainboard_show_drivers(void) |
437 |
{ |
438 |
int i; |
439 |
|
440 |
printf("Available C2600 chassis drivers:\n"); |
441 |
|
442 |
for(i=0;c2600_mainboard_id[i].name;i++) |
443 |
printf(" * %s %s\n", |
444 |
c2600_mainboard_id[i].name, |
445 |
!c2600_mainboard_id[i].supported ? "(NOT WORKING)" : ""); |
446 |
|
447 |
printf("\n"); |
448 |
} |
449 |
|
450 |
/* Show the list of available NM drivers */ |
451 |
void c2600_nm_show_drivers(void) |
452 |
{ |
453 |
int i; |
454 |
|
455 |
printf("Available C2600 Network Module drivers:\n"); |
456 |
|
457 |
for(i=0;nm_drivers[i];i++) { |
458 |
printf(" * %s %s\n", |
459 |
nm_drivers[i]->dev_type, |
460 |
!nm_drivers[i]->supported ? "(NOT WORKING)" : ""); |
461 |
} |
462 |
|
463 |
printf("\n"); |
464 |
} |
465 |
|
466 |
/* Set the base MAC address of the chassis */ |
467 |
static int c2600_burn_mac_addr(c2600_t *router,n_eth_addr_t *addr) |
468 |
{ |
469 |
int i; |
470 |
|
471 |
for(i=0;i<3;i++) { |
472 |
router->vm->chassis_cookie[i+1] = addr->eth_addr_byte[i*2] << 8; |
473 |
router->vm->chassis_cookie[i+1] |= addr->eth_addr_byte[(i*2)+1]; |
474 |
} |
475 |
|
476 |
return(0); |
477 |
} |
478 |
|
479 |
/* Set mainboard type */ |
480 |
int c2600_mainboard_set_type(c2600_t *router,char *mainboard_type) |
481 |
{ |
482 |
struct c2600_mb_id *mb_info; |
483 |
|
484 |
if (router->vm->status == VM_STATUS_RUNNING) { |
485 |
vm_error(router->vm,"unable to change mainboard type when online.\n"); |
486 |
return(-1); |
487 |
} |
488 |
|
489 |
if (!(mb_info = c2600_get_mb_info(mainboard_type))) { |
490 |
vm_error(router->vm,"unknown mainboard '%s'\n",mainboard_type); |
491 |
return(-1); |
492 |
} |
493 |
|
494 |
router->mainboard_type = mainboard_type; |
495 |
router->xm_model = mb_info->xm_model; |
496 |
|
497 |
/* Set the cookie */ |
498 |
memcpy(router->vm->chassis_cookie, |
499 |
eeprom_c2600_mb_data,sizeof(eeprom_c2600_mb_data)); |
500 |
|
501 |
router->vm->chassis_cookie[6] = mb_info->id; |
502 |
|
503 |
/* Set the chassis base MAC address */ |
504 |
c2600_burn_mac_addr(router,&router->mac_addr); |
505 |
|
506 |
/* Set the mainboard driver */ |
507 |
if (vm_slot_active(router->vm,0,0)) |
508 |
vm_slot_remove_binding(router->vm,0,0); |
509 |
|
510 |
vm_slot_add_binding(router->vm,mb_info->mb_driver,0,0); |
511 |
return(0); |
512 |
} |
513 |
|
514 |
/* Set chassis MAC address */ |
515 |
int c2600_chassis_set_mac_addr(c2600_t *router,char *mac_addr) |
516 |
{ |
517 |
if (parse_mac_addr(&router->mac_addr,mac_addr) == -1) { |
518 |
vm_error(router->vm,"unable to parse MAC address '%s'.\n",mac_addr); |
519 |
return(-1); |
520 |
} |
521 |
|
522 |
/* Set the chassis base MAC address */ |
523 |
c2600_burn_mac_addr(router,&router->mac_addr); |
524 |
return(0); |
525 |
} |
526 |
|
527 |
/* Initialize a Cisco 2600 */ |
528 |
static int c2600_init(c2600_t *router) |
529 |
{ |
530 |
vm_instance_t *vm = router->vm; |
531 |
|
532 |
/* Create the PCI bus */ |
533 |
if (!(vm->pci_bus[0] = pci_bus_create("PCI0",0))) { |
534 |
vm_error(vm,"unable to create PCI data.\n"); |
535 |
return(-1); |
536 |
} |
537 |
|
538 |
/* Create the PCI controller */ |
539 |
if (dev_c2600_pci_init(vm,"c2600_pci",C2600_PCICTRL_ADDR,0x10000, |
540 |
vm->pci_bus[0]) == -1) |
541 |
return(-1); |
542 |
|
543 |
/* Bind PCI bus to slots 0 and 1 */ |
544 |
vm->slots_pci_bus[0] = vm->pci_bus[0]; |
545 |
vm->slots_pci_bus[1] = vm->pci_bus[0]; |
546 |
|
547 |
vm->elf_machine_id = C2600_ELF_MACHINE_ID; |
548 |
return(0); |
549 |
} |
550 |
|
551 |
/* Show C2600 hardware info */ |
552 |
void c2600_show_hardware(c2600_t *router) |
553 |
{ |
554 |
vm_instance_t *vm = router->vm; |
555 |
|
556 |
printf("C2600 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(" IOS image : %s\n\n",vm->ios_image); |
562 |
|
563 |
if (vm->debug_level > 0) { |
564 |
dev_show_list(vm); |
565 |
pci_dev_show_list(vm->pci_bus[0]); |
566 |
pci_dev_show_list(vm->pci_bus[1]); |
567 |
printf("\n"); |
568 |
} |
569 |
} |
570 |
|
571 |
/* Initialize default parameters for a C2600 */ |
572 |
static void c2600_init_defaults(c2600_t *router) |
573 |
{ |
574 |
vm_instance_t *vm = router->vm; |
575 |
n_eth_addr_t *m; |
576 |
m_uint16_t pid; |
577 |
|
578 |
/* Set platform slots characteristics */ |
579 |
vm->nr_slots = C2600_MAX_NM_BAYS; |
580 |
vm->slots_type = CISCO_CARD_TYPE_NM; |
581 |
vm->slots_drivers = nm_drivers; |
582 |
|
583 |
pid = (m_uint16_t)getpid(); |
584 |
|
585 |
/* Generate a chassis MAC address based on the instance ID */ |
586 |
m = &router->mac_addr; |
587 |
m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
588 |
m->eth_addr_byte[1] = vm->instance_id & 0xFF; |
589 |
m->eth_addr_byte[2] = pid >> 8; |
590 |
m->eth_addr_byte[3] = pid & 0xFF; |
591 |
m->eth_addr_byte[4] = 0x00; |
592 |
m->eth_addr_byte[5] = 0x00; |
593 |
|
594 |
c2600_init_eeprom_groups(router); |
595 |
c2600_mainboard_set_type(router,C2600_DEFAULT_MAINBOARD); |
596 |
c2600_burn_mac_addr(router,&router->mac_addr); |
597 |
|
598 |
vm->ram_mmap = C2600_DEFAULT_RAM_MMAP; |
599 |
vm->ram_size = C2600_DEFAULT_RAM_SIZE; |
600 |
vm->rom_size = C2600_DEFAULT_ROM_SIZE; |
601 |
vm->nvram_size = C2600_DEFAULT_NVRAM_SIZE; |
602 |
vm->conf_reg_setup = C2600_DEFAULT_CONF_REG; |
603 |
vm->clock_divisor = C2600_DEFAULT_CLOCK_DIV; |
604 |
vm->nvram_rom_space = C2600_NVRAM_ROM_RES_SIZE; |
605 |
vm->nm_iomem_size = C2600_DEFAULT_IOMEM_SIZE; |
606 |
|
607 |
vm->pcmcia_disk_size[0] = C2600_DEFAULT_DISK0_SIZE; |
608 |
vm->pcmcia_disk_size[1] = C2600_DEFAULT_DISK1_SIZE; |
609 |
} |
610 |
|
611 |
/* Set an IRQ */ |
612 |
static void c2600_set_irq(vm_instance_t *vm,u_int irq) |
613 |
{ |
614 |
c2600_t *router = VM_C2600(vm); |
615 |
cpu_ppc_t *cpu = CPU_PPC32(vm->boot_cpu); |
616 |
u_int slot,port; |
617 |
|
618 |
switch(irq) { |
619 |
case C2600_VTIMER_IRQ: |
620 |
mpc860_set_pending_irq(router->mpc_data,30); |
621 |
break; |
622 |
case C2600_DUART_IRQ: |
623 |
mpc860_set_pending_irq(router->mpc_data,29); |
624 |
break; |
625 |
case C2600_NETIO_IRQ: |
626 |
mpc860_set_pending_irq(router->mpc_data,25); |
627 |
break; |
628 |
case C2600_PA_MGMT_IRQ: |
629 |
mpc860_set_pending_irq(router->mpc_data,27); |
630 |
break; |
631 |
|
632 |
case C2600_NETIO_IRQ_BASE ... C2600_NETIO_IRQ_END: |
633 |
c2600_net_irq_get_slot_port(irq,&slot,&port); |
634 |
dev_c2600_iofpga_net_set_irq(router->iofpga_data,slot,port); |
635 |
break; |
636 |
|
637 |
/* IRQ test */ |
638 |
case 255: |
639 |
mpc860_set_pending_irq(router->mpc_data,24); |
640 |
break; |
641 |
} |
642 |
|
643 |
if (vm->irq_idle_preempt[irq]) |
644 |
cpu_idle_break_wait(cpu->gen); |
645 |
} |
646 |
|
647 |
/* Clear an IRQ */ |
648 |
static void c2600_clear_irq(vm_instance_t *vm,u_int irq) |
649 |
{ |
650 |
c2600_t *router = VM_C2600(vm); |
651 |
u_int slot,port; |
652 |
|
653 |
switch(irq) { |
654 |
case C2600_VTIMER_IRQ: |
655 |
mpc860_clear_pending_irq(router->mpc_data,30); |
656 |
break; |
657 |
case C2600_DUART_IRQ: |
658 |
mpc860_clear_pending_irq(router->mpc_data,29); |
659 |
break; |
660 |
case C2600_NETIO_IRQ: |
661 |
mpc860_clear_pending_irq(router->mpc_data,25); |
662 |
break; |
663 |
case C2600_PA_MGMT_IRQ: |
664 |
mpc860_clear_pending_irq(router->mpc_data,27); |
665 |
break; |
666 |
|
667 |
case C2600_NETIO_IRQ_BASE ... C2600_NETIO_IRQ_END: |
668 |
c2600_net_irq_get_slot_port(irq,&slot,&port); |
669 |
dev_c2600_iofpga_net_clear_irq(router->iofpga_data,slot,port); |
670 |
break; |
671 |
|
672 |
/* IRQ test */ |
673 |
case 255: |
674 |
mpc860_clear_pending_irq(router->mpc_data,24); |
675 |
break; |
676 |
} |
677 |
} |
678 |
|
679 |
/* Initialize the C2600 Platform */ |
680 |
static int c2600_init_platform(c2600_t *router) |
681 |
{ |
682 |
vm_instance_t *vm = router->vm; |
683 |
vm_obj_t *obj; |
684 |
cpu_ppc_t *cpu; |
685 |
cpu_gen_t *gen; |
686 |
|
687 |
/* Copy config register setup into "active" config register */ |
688 |
vm->conf_reg = vm->conf_reg_setup; |
689 |
|
690 |
/* Create Console and AUX ports */ |
691 |
vm_init_vtty(vm); |
692 |
|
693 |
/* Create a CPU group */ |
694 |
vm->cpu_group = cpu_group_create("System CPU"); |
695 |
|
696 |
/* Initialize the virtual PowerPC processor */ |
697 |
if (!(gen = cpu_create(vm,CPU_TYPE_PPC32,0))) { |
698 |
vm_error(vm,"unable to create CPU!\n"); |
699 |
return(-1); |
700 |
} |
701 |
|
702 |
cpu = CPU_PPC32(gen); |
703 |
|
704 |
/* Add this CPU to the system CPU group */ |
705 |
cpu_group_add(vm->cpu_group,gen); |
706 |
vm->boot_cpu = gen; |
707 |
|
708 |
/* Set processor ID */ |
709 |
ppc32_set_pvr(cpu,0x00500202); |
710 |
|
711 |
/* Mark the Network IO interrupt as high priority */ |
712 |
vm->irq_idle_preempt[C2600_NETIO_IRQ] = TRUE; |
713 |
vm->irq_idle_preempt[C2600_DUART_IRQ] = TRUE; |
714 |
|
715 |
/* Copy some parameters from VM to CPU (idle PC, ...) */ |
716 |
cpu->idle_pc = vm->idle_pc; |
717 |
|
718 |
if (vm->timer_irq_check_itv) |
719 |
cpu->timer_irq_check_itv = vm->timer_irq_check_itv; |
720 |
|
721 |
/* Remote emulator control */ |
722 |
dev_remote_control_init(vm,0xf6000000,0x1000); |
723 |
|
724 |
/* MPC860 */ |
725 |
cpu->mpc860_immr = C2600_MPC860_ADDR; |
726 |
|
727 |
if (dev_mpc860_init(vm,"MPC860",C2600_MPC860_ADDR,0x10000) == -1) |
728 |
return(-1); |
729 |
|
730 |
if (!(obj = vm_object_find(router->vm,"MPC860"))) |
731 |
return(-1); |
732 |
|
733 |
router->mpc_data = obj->data; |
734 |
|
735 |
/* IO FPGA */ |
736 |
if (dev_c2600_iofpga_init(router,C2600_IOFPGA_ADDR,0x10000) == -1) |
737 |
return(-1); |
738 |
|
739 |
if (!(obj = vm_object_find(router->vm,"io_fpga"))) |
740 |
return(-1); |
741 |
|
742 |
router->iofpga_data = obj->data; |
743 |
|
744 |
/* Initialize the chassis */ |
745 |
if (c2600_init(router) == -1) |
746 |
return(-1); |
747 |
|
748 |
/* Initialize RAM */ |
749 |
vm_ram_init(vm,0x00000000ULL); |
750 |
|
751 |
/* Initialize ROM */ |
752 |
if (!vm->rom_filename) { |
753 |
/* use embedded ROM */ |
754 |
dev_rom_init(vm,"rom",C2600_ROM_ADDR,512*1024, |
755 |
ppc32_microcode,ppc32_microcode_len); |
756 |
} else { |
757 |
/* use alternate ROM */ |
758 |
dev_ram_init(vm,"rom",TRUE,TRUE,NULL,FALSE,C2600_ROM_ADDR,512*1024); |
759 |
} |
760 |
|
761 |
/* RAM aliasing */ |
762 |
dev_create_ram_alias(vm,"ram_alias","ram",0x80000000,vm->ram_size*1048576); |
763 |
|
764 |
/* NVRAM */ |
765 |
dev_ram_init(vm,"nvram",TRUE,FALSE,NULL,FALSE, |
766 |
C2600_NVRAM_ADDR,vm->nvram_size*4096); |
767 |
c2600_nvram_check_empty_config(vm); |
768 |
|
769 |
/* Bootflash */ |
770 |
dev_bootflash_init(vm,"flash0","c2600-bootflash-8mb", |
771 |
C2600_FLASH_ADDR); |
772 |
dev_bootflash_init(vm,"flash1","c2600-bootflash-8mb", |
773 |
C2600_FLASH_ADDR+0x800000); |
774 |
|
775 |
/* Initialize the NS16552 DUART */ |
776 |
dev_ns16552_init(vm,C2600_DUART_ADDR,0x1000,0,C2600_DUART_IRQ, |
777 |
vm->vtty_con,vm->vtty_aux); |
778 |
|
779 |
/* Initialize Network Modules */ |
780 |
if (vm_slot_init_all(vm) == -1) |
781 |
return(-1); |
782 |
|
783 |
/* Show device list */ |
784 |
c2600_show_hardware(router); |
785 |
return(0); |
786 |
} |
787 |
|
788 |
static struct ppc32_bat_prog bat_array[] = { |
789 |
{ PPC32_IBAT_IDX, 0, 0xfff0001e, 0xfff00001 }, |
790 |
{ PPC32_IBAT_IDX, 1, 0x00001ffe, 0x00000001 }, |
791 |
{ PPC32_IBAT_IDX, 2, 0x00000000, 0xee3e0072 }, |
792 |
{ PPC32_IBAT_IDX, 3, 0x80001ffe, 0x00000001 }, |
793 |
|
794 |
{ PPC32_DBAT_IDX, 0, 0x80001ffe, 0x00000042 }, |
795 |
{ PPC32_DBAT_IDX, 1, 0x00001ffe, 0x0000002a }, |
796 |
{ PPC32_DBAT_IDX, 2, 0x40007ffe, 0x4000002a }, |
797 |
{ PPC32_DBAT_IDX, 3, 0xf0001ffe, 0xf000002a }, |
798 |
{ -1, -1, 0, 0 }, |
799 |
}; |
800 |
|
801 |
/* Boot the IOS image */ |
802 |
int c2600_boot_ios(c2600_t *router) |
803 |
{ |
804 |
vm_instance_t *vm = router->vm; |
805 |
cpu_ppc_t *cpu; |
806 |
|
807 |
if (!vm->boot_cpu) |
808 |
return(-1); |
809 |
|
810 |
/* Suspend CPU activity since we will restart directly from ROM */ |
811 |
vm_suspend(vm); |
812 |
|
813 |
/* Check that CPU activity is really suspended */ |
814 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
815 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
816 |
return(-1); |
817 |
} |
818 |
|
819 |
/* Reset the boot CPU */ |
820 |
cpu = CPU_PPC32(vm->boot_cpu); |
821 |
ppc32_reset(cpu); |
822 |
|
823 |
/* Adjust stack pointer */ |
824 |
cpu->gpr[1] |= 0x80000000; |
825 |
|
826 |
/* Load BAT registers */ |
827 |
printf("Loading BAT registers\n"); |
828 |
ppc32_load_bat_array(cpu,bat_array); |
829 |
cpu->msr |= PPC32_MSR_IR|PPC32_MSR_DR; |
830 |
|
831 |
/* IRQ routing */ |
832 |
vm->set_irq = c2600_set_irq; |
833 |
vm->clear_irq = c2600_clear_irq; |
834 |
|
835 |
/* Load IOS image */ |
836 |
if (ppc32_load_elf_image(cpu,vm->ios_image, |
837 |
(vm->ghost_status == VM_GHOST_RAM_USE), |
838 |
&vm->ios_entry_point) < 0) |
839 |
{ |
840 |
vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); |
841 |
return(-1); |
842 |
} |
843 |
|
844 |
/* Launch the simulation */ |
845 |
printf("\nC2600 '%s': starting simulation (CPU0 IA=0x%8.8x), " |
846 |
"JIT %sabled.\n", |
847 |
vm->name,cpu->ia,vm->jit_use ? "en":"dis"); |
848 |
|
849 |
vm_log(vm,"C2600_BOOT", |
850 |
"starting instance (CPU0 PC=0x%8.8x,idle_pc=0x%8.8x,JIT %s)\n", |
851 |
cpu->ia,cpu->idle_pc,vm->jit_use ? "on":"off"); |
852 |
|
853 |
/* Start main CPU */ |
854 |
if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { |
855 |
vm->status = VM_STATUS_RUNNING; |
856 |
cpu_start(vm->boot_cpu); |
857 |
} else { |
858 |
vm->status = VM_STATUS_SHUTDOWN; |
859 |
} |
860 |
return(0); |
861 |
} |
862 |
|
863 |
/* Initialize a Cisco 2600 instance */ |
864 |
static int c2600_init_instance(vm_instance_t *vm) |
865 |
{ |
866 |
c2600_t *router = VM_C2600(vm); |
867 |
m_uint32_t rom_entry_point; |
868 |
cpu_ppc_t *cpu0; |
869 |
|
870 |
if (!vm->ios_image) { |
871 |
vm_error(vm,"no Cisco IOS image defined."); |
872 |
return(-1); |
873 |
} |
874 |
|
875 |
/* Initialize the C2600 platform */ |
876 |
if (c2600_init_platform(router) == -1) { |
877 |
vm_error(vm,"unable to initialize the platform hardware.\n"); |
878 |
return(-1); |
879 |
} |
880 |
|
881 |
/* Load IOS configuration file */ |
882 |
if (vm->ios_config != NULL) { |
883 |
vm_nvram_push_config(vm,vm->ios_config); |
884 |
vm->conf_reg &= ~0x40; |
885 |
} |
886 |
|
887 |
/* Load ROM (ELF image or embedded) */ |
888 |
cpu0 = CPU_PPC32(vm->boot_cpu); |
889 |
rom_entry_point = (m_uint32_t)PPC32_ROM_START; |
890 |
|
891 |
if ((vm->rom_filename != NULL) && |
892 |
(ppc32_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) |
893 |
{ |
894 |
vm_error(vm,"unable to load alternate ROM '%s', " |
895 |
"fallback to embedded ROM.\n\n",vm->rom_filename); |
896 |
vm->rom_filename = NULL; |
897 |
} |
898 |
|
899 |
return(c2600_boot_ios(router)); |
900 |
} |
901 |
|
902 |
/* Stop a Cisco 2600 instance */ |
903 |
int c2600_stop_instance(vm_instance_t *vm) |
904 |
{ |
905 |
printf("\nC2600 '%s': stopping simulation.\n",vm->name); |
906 |
vm_log(vm,"C2600_STOP","stopping simulation.\n"); |
907 |
|
908 |
/* Stop all CPUs */ |
909 |
if (vm->cpu_group != NULL) { |
910 |
vm_stop(vm); |
911 |
|
912 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
913 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
914 |
return(-1); |
915 |
} |
916 |
} |
917 |
|
918 |
/* Free resources that were used during execution to emulate hardware */ |
919 |
vm_slot_shutdown_all(vm); |
920 |
vm_hardware_shutdown(vm); |
921 |
return(0); |
922 |
} |
923 |
|
924 |
/* Get MAC address MSB */ |
925 |
static u_int c2600_get_mac_addr_msb(void) |
926 |
{ |
927 |
return(0xC8); |
928 |
} |
929 |
|
930 |
/* Parse specific options for the Cisco 2600 platform */ |
931 |
static int c2600_cli_parse_options(vm_instance_t *vm,int option) |
932 |
{ |
933 |
c2600_t *router = VM_C2600(vm); |
934 |
|
935 |
switch(option) { |
936 |
/* IO memory reserved for NMs (in percents!) */ |
937 |
case OPT_IOMEM_SIZE: |
938 |
vm->nm_iomem_size = 0x8000 | atoi(optarg); |
939 |
break; |
940 |
|
941 |
/* Mainboard type */ |
942 |
case 't': |
943 |
c2600_mainboard_set_type(router,optarg); |
944 |
break; |
945 |
|
946 |
/* Unknown option */ |
947 |
default: |
948 |
return(-1); |
949 |
} |
950 |
|
951 |
return(0); |
952 |
} |
953 |
|
954 |
/* Show specific CLI options */ |
955 |
static void c2600_cli_show_options(vm_instance_t *vm) |
956 |
{ |
957 |
printf(" --iomem-size <val> : IO memory (in percents, default: %u)\n" |
958 |
" -p <nm_desc> : Define a Network Module\n" |
959 |
" -s <nm_nio> : Bind a Network IO interface to a " |
960 |
"Network Module\n", |
961 |
vm->nm_iomem_size); |
962 |
} |
963 |
|
964 |
/* Platform definition */ |
965 |
static vm_platform_t c2600_platform = { |
966 |
"c2600", "C2600", "2600", |
967 |
c2600_create_instance, |
968 |
c2600_delete_instance, |
969 |
c2600_init_instance, |
970 |
c2600_stop_instance, |
971 |
c2600_nvram_extract_config, |
972 |
c2600_nvram_push_config, |
973 |
c2600_get_mac_addr_msb, |
974 |
c2600_save_config, |
975 |
c2600_cli_parse_options, |
976 |
c2600_cli_show_options, |
977 |
c2600_mainboard_show_drivers, |
978 |
}; |
979 |
|
980 |
/* Register the c2600 platform */ |
981 |
int c2600_platform_register(void) |
982 |
{ |
983 |
if (vm_platform_register(&c2600_platform) == -1) |
984 |
return(-1); |
985 |
|
986 |
return(hypervisor_c2600_init(&c2600_platform)); |
987 |
} |