/* * Cisco router simulation platform. * Copyright (c) 2006 Christophe Fillot (cf@utc.fr) * * Generic Cisco 3725 routines and definitions (EEPROM,...). */ #include #include #include #include #include #include #include "cpu.h" #include "vm.h" #include "dynamips.h" #include "memory.h" #include "device.h" #include "pci_io.h" #include "dev_gt.h" #include "cisco_eeprom.h" #include "dev_rom.h" #include "dev_c3725.h" #include "dev_c3725_iofpga.h" #include "dev_vtty.h" #include "registry.h" /* ======================================================================== */ /* EEPROM definitions */ /* ======================================================================== */ /* Cisco 3725 mainboard EEPROM */ static m_uint16_t eeprom_c3725_mainboard_data[] = { 0x04FF, 0xC18B, 0x5858, 0x5858, 0x5858, 0x5858, 0x5858, 0x5809, 0x6140, 0x0259, 0xC046, 0x0320, 0x003F, 0x1302, 0x4244, 0x3085, 0x1C10, 0x8206, 0x80FF, 0xFFFF, 0xFFC4, 0x08FF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFF81, 0xFFFF, 0xFFFF, 0x03FF, 0x04FF, 0xC28B, 0x5858, 0x5858, 0x5858, 0x5858, 0x5858, 0x58C3, 0x0600, 0x1319, 0x5C6F, 0x7043, 0x0030, 0xC508, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x4100, 0x0101, 0x02FF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, }; struct cisco_eeprom eeprom_c3725_mainboard = { "C3725 Backplane", eeprom_c3725_mainboard_data, sizeof(eeprom_c3725_mainboard_data)/2, }; /* ======================================================================== */ /* Network Module Drivers */ /* ======================================================================== */ static struct c3725_nm_driver *nm_drivers[] = { &dev_c3725_nm_1fe_tx_driver, &dev_c3725_nm_16esw_driver, &dev_c3725_gt96100_fe_driver, &dev_c3725_nm_4t_driver, NULL, }; /* ======================================================================== */ /* Cisco 3725 router instances */ /* ======================================================================== */ /* Directly extract the configuration from the NVRAM device */ ssize_t c3725_nvram_extract_config(vm_instance_t *vm,char **buffer) { u_char *base_ptr,*ios_ptr,*cfg_ptr,*end_ptr; m_uint32_t start,nvlen; m_uint16_t magic1,magic2; struct vdevice *nvram_dev; off_t nvram_size; int fd; if ((nvram_dev = dev_get_by_name(vm,"rom"))) dev_sync(nvram_dev); fd = vm_mmap_open_file(vm,"rom",&base_ptr,&nvram_size); if (fd == -1) return(-1); ios_ptr = base_ptr + C3725_NVRAM_OFFSET; end_ptr = base_ptr + nvram_size; if ((ios_ptr + 0x30) >= end_ptr) { vm_error(vm,"NVRAM file too small\n"); return(-1); } magic1 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06)); magic2 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08)); if ((magic1 != 0xF0A5) || (magic2 != 0xABCD)) { vm_error(vm,"unable to find IOS magic numbers (0x%x,0x%x)!\n", magic1,magic2); return(-1); } start = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10)) + 1; nvlen = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18)); if (!(*buffer = malloc(nvlen+1))) { vm_error(vm,"unable to allocate config buffer (%u bytes)\n",nvlen); return(-1); } cfg_ptr = ios_ptr + start + 0x08; if ((cfg_ptr + nvlen) > end_ptr) { vm_error(vm,"NVRAM file too small\n"); return(-1); } memcpy(*buffer,cfg_ptr,nvlen-1); (*buffer)[nvlen-1] = 0; return(nvlen-1); } static int c3725_nvram_push_config_part(vm_instance_t *vm, char *buffer,size_t len, u_char *ios_ptr) { m_uint32_t cfg_offset,cklen,tmp; m_uint16_t cksum; u_char *cfg_ptr; cfg_offset = 0x2c; cfg_ptr = ios_ptr + cfg_offset; /* Write IOS tag, uncompressed config... */ *PTR_ADJUST(m_uint16_t *,ios_ptr,0x06) = htons(0xF0A5); *PTR_ADJUST(m_uint16_t *,ios_ptr,0x08) = htons(0xABCD); *PTR_ADJUST(m_uint16_t *,ios_ptr,0x0a) = htons(0x0001); *PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(0x0000); *PTR_ADJUST(m_uint16_t *,ios_ptr,0x0e) = htons(0x0c04); /* Store file contents to NVRAM */ memcpy(cfg_ptr,buffer,len); /* Write config addresses + size */ tmp = cfg_offset - 0x08; *PTR_ADJUST(m_uint32_t *,ios_ptr,0x10) = htonl(tmp); *PTR_ADJUST(m_uint32_t *,ios_ptr,0x14) = htonl(tmp + len); *PTR_ADJUST(m_uint32_t *,ios_ptr,0x18) = htonl(len); /* Compute the checksum */ cklen = C3725_NVRAM_SIZE - 0x08; cksum = nvram_cksum((m_uint16_t *)(ios_ptr+0x08),cklen); *PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(cksum); return(0); } /* Directly push the IOS configuration to the NVRAM device */ int c3725_nvram_push_config(vm_instance_t *vm,char *buffer,size_t len) { u_char *base_ptr,*ios_ptr; int fd; fd = vm_mmap_create_file(vm,"rom",vm->rom_size*1048576,&base_ptr); if (fd == -1) return(-1); ios_ptr = base_ptr + C3725_NVRAM_OFFSET; /* Normal config */ c3725_nvram_push_config_part(vm,buffer,len,ios_ptr); /* Backup config */ c3725_nvram_push_config_part(vm,buffer,len,ios_ptr + C3725_NVRAM_SIZE); vm_mmap_close_file(fd,base_ptr,vm->rom_size*1048576); return(0); } /* Check for empty config */ int c3725_nvram_check_empty_config(vm_instance_t *vm) { struct vdevice *rom_dev; m_uint64_t addr; size_t len; if (!(rom_dev = dev_get_by_name(vm,"rom"))) return(-1); addr = rom_dev->phys_addr + C3725_NVRAM_OFFSET; len = C3725_NVRAM_SIZE; while(len > 0) { if (physmem_copy_u32_from_vm(vm,addr) != 0) return(0); addr += sizeof(m_uint32_t); len -= sizeof(m_uint32_t); } /* Empty NVRAM */ vm->conf_reg |= 0x0040; printf("NVRAM is empty, setting config register to 0x%x\n",vm->conf_reg); return(0); } /* Create a new router instance */ c3725_t *c3725_create_instance(char *name,int instance_id) { c3725_t *router; if (!(router = malloc(sizeof(*router)))) { fprintf(stderr,"C3725 '%s': Unable to create new instance!\n",name); return NULL; } memset(router,0,sizeof(*router)); if (!(router->vm = vm_create(name,instance_id,VM_TYPE_C3725))) { fprintf(stderr,"C3725 '%s': unable to create VM instance!\n",name); goto err_vm; } c3725_init_defaults(router); router->vm->hw_data = router; return router; err_vm: free(router); return NULL; } /* Free resources used by a router instance */ static int c3725_free_instance(void *data,void *arg) { vm_instance_t *vm = data; c3725_t *router; int i; if (vm->type == VM_TYPE_C3725) { router = VM_C3725(vm); /* Stop all CPUs */ if (vm->cpu_group != NULL) { vm_stop(vm); if (cpu_group_sync_state(vm->cpu_group) == -1) { vm_error(vm,"unable to sync with system CPUs.\n"); return(FALSE); } } /* Remove NIO bindings */ for(i=0;imb_eeprom); /* Free all resources used by VM */ vm_free(vm); /* Free the router structure */ free(router); return(TRUE); } return(FALSE); } /* Delete a router instance */ int c3725_delete_instance(char *name) { return(registry_delete_if_unused(name,OBJ_TYPE_VM, c3725_free_instance,NULL)); } /* Delete all router instances */ int c3725_delete_all_instances(void) { return(registry_delete_type(OBJ_TYPE_VM,c3725_free_instance,NULL)); } /* Save configuration of a C3725 instance */ void c3725_save_config(c3725_t *router,FILE *fd) { vm_instance_t *vm = router->vm; struct c3725_nio_binding *nb; struct c3725_nm_bay *bay; int i; /* General settings */ fprintf(fd,"c3725 create %s %u\n",vm->name,vm->instance_id); /* VM configuration */ vm_save_config(vm,fd); /* Network Module settings */ for(i=0;idev_type) { fprintf(fd,"c3725 add_nm_binding %s %u %s\n", vm->name,i,bay->dev_type); } for(nb=bay->nio_list;nb;nb=nb->next) { fprintf(fd,"c3725 add_nio_binding %s %u %u %s\n", vm->name,i,nb->port_id,nb->nio->name); } } fprintf(fd,"\n"); } /* Save configurations of all C3725 instances */ static void c3725_reg_save_config(registry_entry_t *entry,void *opt,int *err) { vm_instance_t *vm = entry->data; c3725_t *router = VM_C3725(vm); if (vm->type == VM_TYPE_C3725) c3725_save_config(router,(FILE *)opt); } void c3725_save_config_all(FILE *fd) { registry_foreach_type(OBJ_TYPE_VM,c3725_reg_save_config,fd,NULL); } /* Get slot/port corresponding to specified network IRQ */ static inline void c3725_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) { irq -= C3725_NETIO_IRQ_BASE; *port = irq & C3725_NETIO_IRQ_PORT_MASK; *slot = irq >> C3725_NETIO_IRQ_PORT_BITS; } /* Get network IRQ for specified slot/port */ u_int c3725_net_irq_for_slot_port(u_int slot,u_int port) { u_int irq; irq = (slot << C3725_NETIO_IRQ_PORT_BITS) + port; irq += C3725_NETIO_IRQ_BASE; return(irq); } /* Get PCI device for the specified NM bay */ int c3725_nm_get_pci_device(u_int nm_bay) { switch(nm_bay) { case 1: return(0x06); case 2: return(0x0A); default: return(-1); } } /* Set NM EEPROM definition */ int c3725_nm_set_eeprom(c3725_t *router,u_int nm_bay, const struct cisco_eeprom *eeprom) { if (!nm_bay || (nm_bay >= C3725_MAX_NM_BAYS)) { vm_error(router->vm,"c3725_nm_set_eeprom: invalid NM Bay %u.\n",nm_bay); return(-1); } if (cisco_eeprom_copy(&router->nm_bay[nm_bay].eeprom,eeprom) == -1) { vm_error(router->vm,"c3725_nm_set_eeprom: no memory.\n"); return(-1); } return(0); } /* Unset NM EEPROM definition (empty bay) */ int c3725_nm_unset_eeprom(c3725_t *router,u_int nm_bay) { if (!nm_bay || (nm_bay >= C3725_MAX_NM_BAYS)) { vm_error(router->vm,"c3725_nm_set_eeprom: invalid NM Bay %u.\n",nm_bay); return(-1); } cisco_eeprom_free(&router->nm_bay[nm_bay].eeprom); return(0); } /* Check if a bay has a port adapter */ int c3725_nm_check_eeprom(c3725_t *router,u_int nm_bay) { if (!nm_bay || (nm_bay >= C3725_MAX_NM_BAYS)) return(FALSE); return(cisco_eeprom_valid(&router->nm_bay[nm_bay].eeprom)); } /* Get bay info */ struct c3725_nm_bay *c3725_nm_get_info(c3725_t *router,u_int nm_bay) { if (nm_bay >= C3725_MAX_NM_BAYS) return NULL; return(&router->nm_bay[nm_bay]); } /* Get NM type */ char *c3725_nm_get_type(c3725_t *router,u_int nm_bay) { struct c3725_nm_bay *bay; bay = c3725_nm_get_info(router,nm_bay); return((bay != NULL) ? bay->dev_type : NULL); } /* Get driver info about the specified slot */ void *c3725_nm_get_drvinfo(c3725_t *router,u_int nm_bay) { struct c3725_nm_bay *bay; bay = c3725_nm_get_info(router,nm_bay); return((bay != NULL) ? bay->drv_info : NULL); } /* Set driver info for the specified slot */ int c3725_nm_set_drvinfo(c3725_t *router,u_int nm_bay,void *drv_info) { struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); bay->drv_info = drv_info; return(0); } /* Get a NM driver */ static struct c3725_nm_driver *c3725_nm_get_driver(char *dev_type) { int i; for(i=0;nm_drivers[i];i++) if (!strcmp(nm_drivers[i]->dev_type,dev_type)) return nm_drivers[i]; return NULL; } /* Add a NM binding */ int c3725_nm_add_binding(c3725_t *router,char *dev_type,u_int nm_bay) { struct c3725_nm_driver *nm_driver; struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* check that this bay is empty */ if (bay->dev_type != NULL) { vm_error(router->vm,"a NM already exists in slot %u.\n",nm_bay); return(-1); } /* find the NM driver */ if (!(nm_driver = c3725_nm_get_driver(dev_type))) { vm_error(router->vm,"unknown NM type '%s'.\n",dev_type); return(-1); } bay->dev_type = nm_driver->dev_type; bay->nm_driver = nm_driver; return(0); } /* Remove a NM binding */ int c3725_nm_remove_binding(c3725_t *router,u_int nm_bay) { struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* stop if this bay is still active */ if (bay->drv_info != NULL) { vm_error(router->vm,"slot %u still active.\n",nm_bay); return(-1); } /* check that this bay is not empty */ if (bay->dev_type == NULL) { vm_error(router->vm,"slot %u is empty.\n",nm_bay); return(-1); } /* remove all NIOs bindings */ c3725_nm_remove_all_nio_bindings(router,nm_bay); bay->dev_type = NULL; bay->nm_driver = NULL; return(0); } /* Find a NIO binding */ struct c3725_nio_binding * c3725_nm_find_nio_binding(c3725_t *router,u_int nm_bay,u_int port_id) { struct c3725_nio_binding *nb; struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return NULL; for(nb=bay->nio_list;nb;nb=nb->next) if (nb->port_id == port_id) return nb; return NULL; } /* Add a network IO binding */ int c3725_nm_add_nio_binding(c3725_t *router,u_int nm_bay,u_int port_id, char *nio_name) { struct c3725_nio_binding *nb; struct c3725_nm_bay *bay; netio_desc_t *nio; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* check that a NIO is not already bound to this port */ if (c3725_nm_find_nio_binding(router,nm_bay,port_id) != NULL) { vm_error(router->vm,"a NIO already exists for interface %u/%u.\n", nm_bay,port_id); return(-1); } /* acquire a reference on the NIO object */ if (!(nio = netio_acquire(nio_name))) { vm_error(router->vm,"unable to find NIO '%s'.\n",nio_name); return(-1); } /* create a new binding */ if (!(nb = malloc(sizeof(*nb)))) { vm_error(router->vm,"unable to create NIO binding " "for interface %u/%u.\n",nm_bay,port_id); netio_release(nio_name); return(-1); } memset(nb,0,sizeof(*nb)); nb->nio = nio; nb->port_id = port_id; nb->next = bay->nio_list; if (nb->next) nb->next->prev = nb; bay->nio_list = nb; return(0); } /* Remove a NIO binding */ int c3725_nm_remove_nio_binding(c3725_t *router,u_int nm_bay,u_int port_id) { struct c3725_nio_binding *nb; struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); if (!(nb = c3725_nm_find_nio_binding(router,nm_bay,port_id))) return(-1); /* no nio binding for this slot/port */ /* tell the NM driver to stop using this NIO */ if (bay->nm_driver) bay->nm_driver->nm_unset_nio(router,nm_bay,port_id); /* remove this entry from the double linked list */ if (nb->next) nb->next->prev = nb->prev; if (nb->prev) { nb->prev->next = nb->next; } else { bay->nio_list = nb->next; } /* unreference NIO object */ netio_release(nb->nio->name); free(nb); return(0); } /* Remove all NIO bindings for the specified NM */ int c3725_nm_remove_all_nio_bindings(c3725_t *router,u_int nm_bay) { struct c3725_nio_binding *nb,*next; struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); for(nb=bay->nio_list;nb;nb=next) { next = nb->next; /* tell the NM driver to stop using this NIO */ if (bay->nm_driver) bay->nm_driver->nm_unset_nio(router,nm_bay,nb->port_id); /* unreference NIO object */ netio_release(nb->nio->name); free(nb); } bay->nio_list = NULL; return(0); } /* Enable a Network IO descriptor for a Network Module */ int c3725_nm_enable_nio(c3725_t *router,u_int nm_bay,u_int port_id) { struct c3725_nio_binding *nb; struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* check that we have an NIO binding for this interface */ if (!(nb = c3725_nm_find_nio_binding(router,nm_bay,port_id))) return(-1); /* check that the driver is defined and successfully initialized */ if (!bay->nm_driver || !bay->drv_info) return(-1); return(bay->nm_driver->nm_set_nio(router,nm_bay,port_id,nb->nio)); } /* Disable Network IO descriptor of a Network Module */ int c3725_nm_disable_nio(c3725_t *router,u_int nm_bay,u_int port_id) { struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* check that the driver is defined and successfully initialized */ if (!bay->nm_driver || !bay->drv_info) return(-1); return(bay->nm_driver->nm_unset_nio(router,nm_bay,port_id)); } /* Enable all NIO of the specified NM */ int c3725_nm_enable_all_nio(c3725_t *router,u_int nm_bay) { struct c3725_nio_binding *nb; struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* check that the driver is defined and successfully initialized */ if (!bay->nm_driver || !bay->drv_info) return(-1); for(nb=bay->nio_list;nb;nb=nb->next) bay->nm_driver->nm_set_nio(router,nm_bay,nb->port_id,nb->nio); return(0); } /* Disable all NIO of the specified NM */ int c3725_nm_disable_all_nio(c3725_t *router,u_int nm_bay) { struct c3725_nio_binding *nb; struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* check that the driver is defined and successfully initialized */ if (!bay->nm_driver || !bay->drv_info) return(-1); for(nb=bay->nio_list;nb;nb=nb->next) bay->nm_driver->nm_unset_nio(router,nm_bay,nb->port_id); return(0); } /* Initialize a Network Module */ int c3725_nm_init(c3725_t *router,u_int nm_bay) { struct c3725_nm_bay *bay; size_t len; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* Check that a device type is defined for this bay */ if (!bay->dev_type || !bay->nm_driver) { vm_error(router->vm,"trying to init empty slot %u.\n",nm_bay); return(-1); } /* Allocate device name */ len = strlen(bay->dev_type) + 10; if (!(bay->dev_name = malloc(len))) { vm_error(router->vm,"unable to allocate device name.\n"); return(-1); } snprintf(bay->dev_name,len,"%s(%u)",bay->dev_type,nm_bay); /* Initialize NM driver */ if (bay->nm_driver->nm_init(router,bay->dev_name,nm_bay) == -1) { vm_error(router->vm,"unable to initialize NM %u.\n",nm_bay); return(-1); } /* Enable all NIO */ c3725_nm_enable_all_nio(router,nm_bay); return(0); } /* Shutdown a Network Module */ int c3725_nm_shutdown(c3725_t *router,u_int nm_bay) { struct c3725_nm_bay *bay; if (!(bay = c3725_nm_get_info(router,nm_bay))) return(-1); /* Check that a device type is defined for this bay */ if (!bay->dev_type || !bay->nm_driver) { vm_error(router->vm,"trying to shut down empty slot %u.\n",nm_bay); return(-1); } /* Disable all NIO */ c3725_nm_disable_all_nio(router,nm_bay); /* Shutdown the NM driver */ if (bay->drv_info && (bay->nm_driver->nm_shutdown(router,nm_bay) == -1)) { vm_error(router->vm,"unable to shutdown NM %u.\n",nm_bay); return(-1); } free(bay->dev_name); bay->dev_name = NULL; bay->drv_info = NULL; return(0); } /* Shutdown all NM of a router */ int c3725_nm_shutdown_all(c3725_t *router) { int i; for(i=0;inm_bay[i].dev_type) continue; c3725_nm_shutdown(router,i); } return(0); } /* Show info about all NMs */ int c3725_nm_show_all_info(c3725_t *router) { struct c3725_nm_bay *bay; int i; for(i=0;inm_driver) continue; if (bay->nm_driver->nm_show_info != NULL) bay->nm_driver->nm_show_info(router,i); } return(0); } /* Maximum number of tokens in a NM description */ #define NM_DESC_MAX_TOKENS 8 /* Create a Network Module (command line) */ int c3725_cmd_nm_create(c3725_t *router,char *str) { char *tokens[NM_DESC_MAX_TOKENS]; int i,count,res; u_int nm_bay; /* A port adapter description is like "1:NM-1FE" */ if ((count = m_strsplit(str,':',tokens,NM_DESC_MAX_TOKENS)) != 2) { vm_error(router->vm,"unable to parse NM description '%s'.\n",str); return(-1); } /* Parse the NM bay id */ nm_bay = atoi(tokens[0]); /* Add this new NM to the current NM list */ res = c3725_nm_add_binding(router,tokens[1],nm_bay); /* The complete array was cleaned by strsplit */ for(i=0;ivm,"unable to parse NIO description '%s'.\n",str); return(-1); } /* Parse the NM bay */ nm_bay = atoi(tokens[0]); /* Parse the NM port id */ port_id = atoi(tokens[1]); /* Autogenerate a NIO name */ snprintf(nio_name,sizeof(nio_name),"c3725-i%u/%u/%u", router->vm->instance_id,nm_bay,port_id); /* Create the Network IO descriptor */ nio = NULL; nio_type = netio_get_type(tokens[2]); switch(nio_type) { case NETIO_TYPE_UNIX: if (count != 5) { vm_error(router->vm, "invalid number of arguments for UNIX NIO '%s'\n",str); goto done; } nio = netio_desc_create_unix(nio_name,tokens[3],tokens[4]); break; case NETIO_TYPE_VDE: if (count != 5) { vm_error(router->vm, "invalid number of arguments for VDE NIO '%s'\n",str); goto done; } nio = netio_desc_create_vde(nio_name,tokens[3],tokens[4]); break; case NETIO_TYPE_TAP: if (count != 4) { vm_error(router->vm, "invalid number of arguments for TAP NIO '%s'\n",str); goto done; } nio = netio_desc_create_tap(nio_name,tokens[3]); break; case NETIO_TYPE_UDP: if (count != 6) { vm_error(router->vm, "invalid number of arguments for UDP NIO '%s'\n",str); goto done; } nio = netio_desc_create_udp(nio_name,atoi(tokens[3]), tokens[4],atoi(tokens[5])); break; case NETIO_TYPE_TCP_CLI: if (count != 5) { vm_error(router->vm, "invalid number of arguments for TCP CLI NIO '%s'\n",str); goto done; } nio = netio_desc_create_tcp_cli(nio_name,tokens[3],tokens[4]); break; case NETIO_TYPE_TCP_SER: if (count != 4) { vm_error(router->vm, "invalid number of arguments for TCP SER NIO '%s'\n",str); goto done; } nio = netio_desc_create_tcp_ser(nio_name,tokens[3]); break; case NETIO_TYPE_NULL: nio = netio_desc_create_null(nio_name); break; #ifdef LINUX_ETH case NETIO_TYPE_LINUX_ETH: if (count != 4) { vm_error(router->vm, "invalid number of arguments for Linux Eth NIO '%s'\n", str); goto done; } nio = netio_desc_create_lnxeth(nio_name,tokens[3]); break; #endif #ifdef GEN_ETH case NETIO_TYPE_GEN_ETH: if (count != 4) { vm_error(router->vm, "invalid number of arguments for Generic Eth NIO '%s'\n", str); goto done; } nio = netio_desc_create_geneth(nio_name,tokens[3]); break; #endif default: vm_error(router->vm,"unknown NETIO type '%s'\n",tokens[2]); goto done; } if (!nio) { vm_error(router->vm,"unable to create NETIO " "descriptor for NM slot %u\n",nm_bay); goto done; } if (c3725_nm_add_nio_binding(router,nm_bay,port_id,nio_name) == -1) { vm_error(router->vm,"unable to add NETIO binding for slot %u\n",nm_bay); netio_release(nio_name); netio_delete(nio_name); goto done; } netio_release(nio_name); res = 0; done: /* The complete array was cleaned by strsplit */ for(i=0;idev_type, !nm_drivers[i]->supported ? "(NOT WORKING)" : ""); } printf("\n"); } /* Set the base MAC address of the chassis */ static int c3725_burn_mac_addr(c3725_t *router,n_eth_addr_t *addr) { m_uint8_t eeprom_ver; size_t offset; /* Read EEPROM format version */ cisco_eeprom_get_byte(&router->mb_eeprom,0,&eeprom_ver); switch(eeprom_ver) { case 0: cisco_eeprom_set_region(&router->mb_eeprom,2,addr->eth_addr_byte,6); break; case 4: if (!cisco_eeprom_v4_find_field(&router->mb_eeprom,0xC3,&offset)) { cisco_eeprom_set_region(&router->mb_eeprom,offset, addr->eth_addr_byte,6); } break; default: vm_error(router->vm,"c3725_burn_mac_addr: unable to handle " "EEPROM version %u\n",eeprom_ver); return(-1); } return(0); } /* Set chassis MAC address */ int c3725_chassis_set_mac_addr(c3725_t *router,char *mac_addr) { if (parse_mac_addr(&router->mac_addr,mac_addr) == -1) { vm_error(router->vm,"unable to parse MAC address '%s'.\n",mac_addr); return(-1); } /* Set the chassis base MAC address */ c3725_burn_mac_addr(router,&router->mac_addr); return(0); } /* Create the two main PCI busses for a GT64120 based system */ static int c3725_init_gt96100(c3725_t *router) { vm_instance_t *vm = router->vm; vm->pci_bus[0] = pci_bus_create("PCI bus #0",0); vm->pci_bus[1] = pci_bus_create("PCI bus #1",0); if (!vm->pci_bus[0] || !vm->pci_bus[1]) { vm_error(router->vm,"unable to create PCI data.\n"); return(-1); } return(dev_gt96100_init(vm,"gt96100",C3725_GT96K_ADDR,0x200000, C3725_GT96K_IRQ,c3725_net_irq_for_slot_port(0,0))); } /* Initialize a Cisco 3725 */ static int c3725_init(c3725_t *router) { vm_instance_t *vm = router->vm; /* Set the processor type: R7000 */ mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R7000); /* Initialize the Galileo GT-96100 PCI controller */ if (c3725_init_gt96100(router) == -1) return(-1); /* Initialize PCI map (NM slot 1 & 2) */ router->nm_bay[1].pci_map = vm->pci_bus[1]; router->nm_bay[2].pci_map = vm->pci_bus[1]; vm->elf_machine_id = C3725_ELF_MACHINE_ID; return(0); } /* Show C3725 hardware info */ void c3725_show_hardware(c3725_t *router) { vm_instance_t *vm = router->vm; printf("C3725 instance '%s' (id %d):\n",vm->name,vm->instance_id); printf(" VM Status : %d\n",vm->status); printf(" RAM size : %u Mb\n",vm->ram_size); printf(" NVRAM size : %u Kb\n",vm->nvram_size); printf(" IOS image : %s\n\n",vm->ios_image); if (vm->debug_level > 0) { dev_show_list(vm); pci_dev_show_list(vm->pci_bus[0]); pci_dev_show_list(vm->pci_bus[1]); printf("\n"); } } /* Initialize default parameters for a C3725 */ void c3725_init_defaults(c3725_t *router) { vm_instance_t *vm = router->vm; n_eth_addr_t *m; m_uint16_t pid; pid = (m_uint16_t)getpid(); /* Generate a chassis MAC address based on the instance ID */ m = &router->mac_addr; m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); m->eth_addr_byte[1] = vm->instance_id & 0xFF; m->eth_addr_byte[2] = pid >> 8; m->eth_addr_byte[3] = pid & 0xFF; m->eth_addr_byte[4] = 0x00; m->eth_addr_byte[5] = 0x00; c3725_init_eeprom_groups(router); cisco_eeprom_copy(&router->mb_eeprom,&eeprom_c3725_mainboard); c3725_burn_mac_addr(router,&router->mac_addr); vm->ram_mmap = C3725_DEFAULT_RAM_MMAP; vm->ram_size = C3725_DEFAULT_RAM_SIZE; vm->rom_size = C3725_DEFAULT_ROM_SIZE; vm->nvram_size = C3725_DEFAULT_NVRAM_SIZE; vm->conf_reg_setup = C3725_DEFAULT_CONF_REG; vm->clock_divisor = C3725_DEFAULT_CLOCK_DIV; vm->nvram_rom_space = C3725_NVRAM_ROM_RES_SIZE; router->nm_iomem_size = C3725_DEFAULT_IOMEM_SIZE; vm->pcmcia_disk_size[0] = C3725_DEFAULT_DISK0_SIZE; vm->pcmcia_disk_size[1] = C3725_DEFAULT_DISK1_SIZE; /* Enable NVRAM operations to load/store configs */ vm->nvram_extract_config = c3725_nvram_extract_config; vm->nvram_push_config = c3725_nvram_push_config; } /* Initialize the C3725 Platform */ int c3725_init_platform(c3725_t *router) { vm_instance_t *vm = router->vm; struct c3725_nm_bay *nm_bay; cpu_mips_t *cpu; cpu_gen_t *gen; vm_obj_t *obj; int i; /* Copy config register setup into "active" config register */ vm->conf_reg = vm->conf_reg_setup; /* Create Console and AUX ports */ vm_init_vtty(vm); /* Create a CPU group */ vm->cpu_group = cpu_group_create("System CPU"); /* Initialize the virtual MIPS processor */ if (!(gen = cpu_create(vm,CPU_TYPE_MIPS64,0))) { vm_error(vm,"unable to create CPU!\n"); return(-1); } cpu = CPU_MIPS64(gen); /* Add this CPU to the system CPU group */ cpu_group_add(vm->cpu_group,gen); vm->boot_cpu = gen; /* Initialize the IRQ routing vectors */ vm->set_irq = mips64_vm_set_irq; vm->clear_irq = mips64_vm_clear_irq; /* Mark the Network IO interrupt as high priority */ cpu->irq_idle_preempt[C3725_NETIO_IRQ] = TRUE; cpu->irq_idle_preempt[C3725_GT96K_IRQ] = TRUE; cpu->irq_idle_preempt[C3725_DUART_IRQ] = TRUE; /* Copy some parameters from VM to CPU (idle PC, ...) */ cpu->idle_pc = vm->idle_pc; if (vm->timer_irq_check_itv) cpu->timer_irq_check_itv = vm->timer_irq_check_itv; /* Remote emulator control */ dev_remote_control_init(vm,0x16000000,0x1000); /* Specific Storage Area (SSA) */ dev_ram_init(vm,"ssa",TRUE,FALSE,NULL,FALSE,0x16001000ULL,0x7000); /* IO FPGA */ if (dev_c3725_iofpga_init(router,C3725_IOFPGA_ADDR,0x40000) == -1) return(-1); if (!(obj = vm_object_find(router->vm,"io_fpga"))) return(-1); router->iofpga_data = obj->data; #if 0 /* PCI IO space */ if (!(vm->pci_io_space = pci_io_data_init(vm,C3725_PCI_IO_ADDR))) return(-1); #endif /* Initialize the chassis */ if (c3725_init(router) == -1) return(-1); /* Initialize RAM */ vm_ram_init(vm,0x00000000ULL); /* Initialize ROM (as a Flash) */ if (!(obj = dev_flash_init(vm,"rom",C3725_ROM_ADDR,vm->rom_size*1048576))) return(-1); dev_flash_copy_data(obj,0,mips64_microcode,mips64_microcode_len); c3725_nvram_check_empty_config(vm); /* Initialize the NS16552 DUART */ dev_ns16552_init(vm,C3725_DUART_ADDR,0x1000,3,C3725_DUART_IRQ, vm->vtty_con,vm->vtty_aux); /* PCMCIA Slot 0 */ dev_pcmcia_disk_init(vm,"slot0",C3725_SLOT0_ADDR,0x200000, vm->pcmcia_disk_size[0],1); /* PCMCIA Slot 1 */ dev_pcmcia_disk_init(vm,"slot1",C3725_SLOT1_ADDR,0x200000, vm->pcmcia_disk_size[1],1); /* The GT96100 system controller has 2 integrated FastEthernet ports */ c3725_nm_add_binding(router,"GT96100-FE",0); /* Initialize Network Modules */ for(i=0;inm_bay[i]; if (!nm_bay->dev_type) continue; if (c3725_nm_init(router,i) == -1) { vm_error(vm,"unable to create Network Module \"%s\"\n", nm_bay->dev_type); return(-1); } } /* Show device list */ c3725_show_hardware(router); return(0); } /* Boot the IOS image */ int c3725_boot_ios(c3725_t *router) { vm_instance_t *vm = router->vm; cpu_mips_t *cpu; if (!vm->boot_cpu) return(-1); /* Suspend CPU activity since we will restart directly from ROM */ vm_suspend(vm); /* Check that CPU activity is really suspended */ if (cpu_group_sync_state(vm->cpu_group) == -1) { vm_error(vm,"unable to sync with system CPUs.\n"); return(-1); } /* Reset the boot CPU */ cpu = CPU_MIPS64(vm->boot_cpu); mips64_reset(cpu); /* Load IOS image */ if (mips64_load_elf_image(cpu,vm->ios_image, (vm->ghost_status == VM_GHOST_RAM_USE), &vm->ios_entry_point) < 0) { vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); return(-1); } /* Launch the simulation */ printf("\nC3725 '%s': starting simulation (CPU0 PC=0x%llx), " "JIT %sabled.\n", vm->name,cpu->pc,vm->jit_use ? "en":"dis"); vm_log(vm,"C3725_BOOT", "starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n", cpu->pc,cpu->idle_pc,vm->jit_use ? "on":"off"); /* Start main CPU */ if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { vm->status = VM_STATUS_RUNNING; cpu_start(vm->boot_cpu); } else { vm->status = VM_STATUS_SHUTDOWN; } return(0); } /* Set an IRQ */ static void c3725_set_irq(vm_instance_t *vm,u_int irq) { c3725_t *router = VM_C3725(vm); cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); u_int slot,port; switch(irq) { case 0 ... 7: mips64_set_irq(cpu0,irq); if (cpu0->irq_idle_preempt[irq]) cpu_idle_break_wait(cpu0->gen); break; case C3725_NETIO_IRQ_BASE ... C3725_NETIO_IRQ_END: c3725_net_irq_get_slot_port(irq,&slot,&port); dev_c3725_iofpga_net_set_irq(router->iofpga_data,slot,port); break; } } /* Clear an IRQ */ static void c3725_clear_irq(vm_instance_t *vm,u_int irq) { c3725_t *router = VM_C3725(vm); cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); u_int slot,port; switch(irq) { case 0 ... 7: mips64_clear_irq(cpu0,irq); break; case C3725_NETIO_IRQ_BASE ... C3725_NETIO_IRQ_END: c3725_net_irq_get_slot_port(irq,&slot,&port); dev_c3725_iofpga_net_clear_irq(router->iofpga_data,slot,port); break; } } /* Initialize a Cisco 3725 instance */ int c3725_init_instance(c3725_t *router) { vm_instance_t *vm = router->vm; m_uint32_t rom_entry_point; cpu_mips_t *cpu0; if (!vm->ios_image) { vm_error(vm,"no Cisco IOS image defined."); return(-1); } /* Initialize the C3725 platform */ if (c3725_init_platform(router) == -1) { vm_error(vm,"unable to initialize the platform hardware.\n"); return(-1); } /* IRQ routing */ vm->set_irq = c3725_set_irq; vm->clear_irq = c3725_clear_irq; /* Load IOS configuration file */ if (vm->ios_config != NULL) { vm_nvram_push_config(vm,vm->ios_config); vm->conf_reg &= ~0x40; } /* Load ROM (ELF image or embedded) */ cpu0 = CPU_MIPS64(vm->boot_cpu); rom_entry_point = (m_uint32_t)MIPS_ROM_PC; if ((vm->rom_filename != NULL) && (mips64_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) { vm_error(vm,"unable to load alternate ROM '%s', " "fallback to embedded ROM.\n\n",vm->rom_filename); vm->rom_filename = NULL; } /* Load symbol file */ if (vm->sym_filename) { mips64_sym_load_file(cpu0,vm->sym_filename); cpu0->sym_trace = 1; } return(c3725_boot_ios(router)); } /* Stop a Cisco 3725 instance */ int c3725_stop_instance(c3725_t *router) { vm_instance_t *vm = router->vm; printf("\nC3725 '%s': stopping simulation.\n",vm->name); vm_log(vm,"C3725_STOP","stopping simulation.\n"); /* Stop all CPUs */ if (vm->cpu_group != NULL) { vm_stop(vm); if (cpu_group_sync_state(vm->cpu_group) == -1) { vm_error(vm,"unable to sync with system CPUs.\n"); return(-1); } } /* Free resources that were used during execution to emulate hardware */ c3725_nm_shutdown_all(router); vm_hardware_shutdown(vm); return(0); }