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dpavlin |
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/* |
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* Cisco router simulation platform. |
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* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
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* |
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* Generic Cisco 1700 routines and definitions (EEPROM,...). |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <assert.h> |
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#include "cpu.h" |
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#include "vm.h" |
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#include "dynamips.h" |
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#include "memory.h" |
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#include "device.h" |
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#include "ppc32_mem.h" |
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#include "pci_io.h" |
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#include "cisco_eeprom.h" |
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#include "dev_mpc860.h" |
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#include "dev_rom.h" |
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#include "dev_c1700.h" |
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#include "dev_c1700_iofpga.h" |
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#include "dev_vtty.h" |
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#include "registry.h" |
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/* ======================================================================== */ |
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/* EEPROM definitions */ |
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/* ======================================================================== */ |
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/* Cisco 1700 mainboard EEPROM */ |
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static m_uint16_t eeprom_c1700_mb_data[] = { |
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0x0101, 0x0404, 0x0000, 0x0000, 0x4320, 0x00FF, 0x00B2, 0x0020, |
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0x0000, 0x0000, 0x0000, 0x0000, 0x3030, 0x3000, 0x0030, 0x3030, |
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0x3002, 0x0200, 0x0000, 0x0000, 0x00FF, 0xFFFF, 0x5006, 0x490B, |
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0x1709, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
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0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
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0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
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0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
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0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, |
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}; |
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struct c1700_mb_id { |
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char *name; |
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char *mb_driver; |
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m_uint16_t id; |
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int supported; |
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}; |
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struct c1700_mb_id c1700_mainboard_id[] = { |
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{ "1710" , "C1710-MB-1FE-1E" , 0x02F6, TRUE }, |
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{ "1720" , "C1700-MB-1ETH" , 0x00B2, TRUE }, |
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{ "1721" , "C1700-MB-1ETH" , 0x035A, TRUE }, |
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{ "1750" , "C1700-MB-1ETH" , 0x00C9, TRUE }, |
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{ "1751" , "C1700-MB-1ETH" , 0x024D, TRUE }, |
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{ "1760" , "C1700-MB-1ETH" , 0x0316, TRUE }, |
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{ NULL , NULL , 0x0000, 0 }, |
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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_c1700_mb_eth_driver, |
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&dev_c1710_mb_eth_driver, |
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NULL, |
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}; |
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/* ======================================================================== */ |
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/* Cisco 1700 router instances */ |
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/* ======================================================================== */ |
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/* Initialize default parameters for a C1700 */ |
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static void c1700_init_defaults(c1700_t *router); |
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/* Directly extract the configuration from the NVRAM device */ |
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static ssize_t c1700_nvram_extract_config(vm_instance_t *vm,u_char **buffer) |
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{ |
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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; |
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if ((nvram_dev = dev_get_by_name(vm,"nvram"))) |
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dev_sync(nvram_dev); |
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fd = vm_mmap_open_file(vm,"nvram",&base_ptr,&nvram_size); |
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if (fd == -1) |
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return(-1); |
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ios_ptr = base_ptr + vm->nvram_rom_space; |
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end_ptr = base_ptr + nvram_size; |
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if ((ios_ptr + 0x30) >= end_ptr) { |
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vm_error(vm,"NVRAM file too small\n"); |
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return(-1); |
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} |
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magic1 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06)); |
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magic2 = ntohs(*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08)); |
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if ((magic1 != 0xF0A5) || (magic2 != 0xABCD)) { |
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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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start = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10)) + 1; |
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nvlen = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18)); |
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if (!(*buffer = malloc(nvlen+1))) { |
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vm_error(vm,"unable to allocate config buffer (%u bytes)\n",nvlen); |
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return(-1); |
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} |
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cfg_ptr = ios_ptr + start + 0x08; |
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if ((cfg_ptr + nvlen) > end_ptr) { |
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vm_error(vm,"NVRAM file too small\n"); |
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return(-1); |
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} |
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memcpy(*buffer,cfg_ptr,nvlen-1); |
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(*buffer)[nvlen-1] = 0; |
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return(nvlen-1); |
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} |
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/* Directly push the IOS configuration to the NVRAM device */ |
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static int c1700_nvram_push_config(vm_instance_t *vm,u_char *buffer,size_t len) |
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{ |
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u_char *base_ptr,*ios_ptr,*cfg_ptr; |
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m_uint32_t cfg_offset,cklen,tmp; |
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m_uint16_t cksum; |
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int fd; |
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fd = vm_mmap_create_file(vm,"nvram",vm->nvram_size*1024,&base_ptr); |
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if (fd == -1) |
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return(-1); |
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cfg_offset = 0x2c; |
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ios_ptr = base_ptr + vm->nvram_rom_space; |
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cfg_ptr = ios_ptr + cfg_offset; |
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/* Write IOS tag, uncompressed config... */ |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06) = htons(0xF0A5); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08) = htons(0xABCD); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0a) = htons(0x0001); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(0x0000); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0e) = htons(0x0c04); |
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/* Store file contents to NVRAM */ |
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memcpy(cfg_ptr,buffer,len); |
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/* Write config addresses + size */ |
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tmp = cfg_offset - 0x08; |
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*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10) = htonl(tmp); |
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*PTR_ADJUST(m_uint32_t *,ios_ptr,0x14) = htonl(tmp + len); |
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*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18) = htonl(len); |
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/* Compute the checksum */ |
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cklen = (vm->nvram_size*1024) - (vm->nvram_rom_space + 0x08); |
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cksum = nvram_cksum((m_uint16_t *)(ios_ptr+0x08),cklen); |
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*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(cksum); |
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vm_mmap_close_file(fd,base_ptr,vm->nvram_size*1024); |
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return(0); |
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} |
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/* Create a new router instance */ |
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static int c1700_create_instance(vm_instance_t *vm) |
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{ |
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c1700_t *router; |
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if (!(router = malloc(sizeof(*router)))) { |
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fprintf(stderr,"C1700 '%s': Unable to create new instance!\n",vm->name); |
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return(-1); |
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} |
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memset(router,0,sizeof(*router)); |
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router->vm = vm; |
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vm->hw_data = router; |
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c1700_init_defaults(router); |
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return(0); |
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} |
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/* Free resources used by a router instance */ |
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static int c1700_delete_instance(vm_instance_t *vm) |
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{ |
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c1700_t *router = VM_C1700(vm); |
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int i; |
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/* Stop all CPUs */ |
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if (vm->cpu_group != NULL) { |
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vm_stop(vm); |
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if (cpu_group_sync_state(vm->cpu_group) == -1) { |
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vm_error(vm,"unable to sync with system CPUs.\n"); |
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return(FALSE); |
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} |
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} |
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/* Remove NIO bindings */ |
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for(i=0;i<vm->nr_slots;i++) |
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vm_slot_remove_all_nio_bindings(vm,i); |
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/* Shutdown all Network Modules */ |
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vm_slot_shutdown_all(vm); |
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/* Free mainboard EEPROM */ |
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cisco_eeprom_free(&router->mb_eeprom); |
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/* Free all resources used by VM */ |
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vm_free(vm); |
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/* Free the router structure */ |
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free(router); |
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return(TRUE); |
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} |
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/* Save configuration of a C1700 instance */ |
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void c1700_save_config(vm_instance_t *vm,FILE *fd) |
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{ |
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c1700_t *router = VM_C1700(vm); |
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fprintf(fd,"c1700 set_chassis %s %s\n\n",vm->name,router->mainboard_type); |
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} |
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/* Set EEPROM for the specified slot */ |
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int c1700_set_slot_eeprom(c1700_t *router,u_int slot, |
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struct cisco_eeprom *eeprom) |
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{ |
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switch(slot) { |
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case 1: |
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router->nm_eeprom_group.eeprom[0] = eeprom; |
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return(0); |
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default: |
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return(-1); |
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} |
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} |
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/* Get slot/port corresponding to specified network IRQ */ |
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static inline void |
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c1700_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) |
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{ |
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irq -= C1700_NETIO_IRQ_BASE; |
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*port = irq & C1700_NETIO_IRQ_PORT_MASK; |
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*slot = irq >> C1700_NETIO_IRQ_PORT_BITS; |
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} |
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/* Get network IRQ for specified slot/port */ |
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u_int c1700_net_irq_for_slot_port(u_int slot,u_int port) |
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{ |
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u_int irq; |
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irq = (slot << C1700_NETIO_IRQ_PORT_BITS) + port; |
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irq += C1700_NETIO_IRQ_BASE; |
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return(irq); |
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} |
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/* Find Cisco 1700 Mainboard info */ |
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static struct c1700_mb_id *c1700_get_mb_info(char *mainboard_type) |
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{ |
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int i; |
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for(i=0;c1700_mainboard_id[i].name;i++) |
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if (!strcmp(c1700_mainboard_id[i].name,mainboard_type)) |
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return(&c1700_mainboard_id[i]); |
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return NULL; |
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} |
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/* Show all available mainboards */ |
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static void c1700_mainboard_show_drivers(void) |
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{ |
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int i; |
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printf("Available C1700 chassis drivers:\n"); |
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for(i=0;c1700_mainboard_id[i].name;i++) |
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printf(" * %s %s\n", |
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c1700_mainboard_id[i].name, |
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!c1700_mainboard_id[i].supported ? "(NOT WORKING)" : ""); |
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printf("\n"); |
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} |
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/* Set the base MAC address of the chassis */ |
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static int c1700_burn_mac_addr(c1700_t *router,n_eth_addr_t *addr) |
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{ |
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int i; |
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for(i=0;i<3;i++) { |
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router->vm->chassis_cookie[i+1] = addr->eth_addr_byte[i*2] << 8; |
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router->vm->chassis_cookie[i+1] |= addr->eth_addr_byte[(i*2)+1]; |
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} |
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return(0); |
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} |
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/* Set mainboard type */ |
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int c1700_mainboard_set_type(c1700_t *router,char *mainboard_type) |
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{ |
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struct c1700_mb_id *mb_info; |
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if (router->vm->status == VM_STATUS_RUNNING) { |
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vm_error(router->vm,"unable to change mainboard type when online.\n"); |
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return(-1); |
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} |
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if (!(mb_info = c1700_get_mb_info(mainboard_type))) { |
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vm_error(router->vm,"unknown mainboard '%s'\n",mainboard_type); |
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return(-1); |
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} |
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router->mainboard_type = mainboard_type; |
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/* Set the cookie */ |
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memcpy(router->vm->chassis_cookie, |
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eeprom_c1700_mb_data,sizeof(eeprom_c1700_mb_data)); |
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router->vm->chassis_cookie[6] = mb_info->id; |
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/* Set the chassis base MAC address */ |
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c1700_burn_mac_addr(router,&router->mac_addr); |
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/* Set the mainboard driver */ |
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if (vm_slot_active(router->vm,0,0)) |
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vm_slot_remove_binding(router->vm,0,0); |
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vm_slot_add_binding(router->vm,mb_info->mb_driver,0,0); |
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return(0); |
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} |
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/* Set chassis MAC address */ |
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int c1700_chassis_set_mac_addr(c1700_t *router,char *mac_addr) |
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{ |
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if (parse_mac_addr(&router->mac_addr,mac_addr) == -1) { |
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vm_error(router->vm,"unable to parse MAC address '%s'.\n",mac_addr); |
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return(-1); |
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} |
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/* Set the chassis base MAC address */ |
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c1700_burn_mac_addr(router,&router->mac_addr); |
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return(0); |
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} |
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357 |
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/* Initialize a Cisco 1700 */ |
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static int c1700_init(c1700_t *router) |
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{ |
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vm_instance_t *vm = router->vm; |
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/* Create the PCI bus */ |
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if (!(vm->pci_bus[0] = pci_bus_create("PCI0",0))) { |
364 |
|
|
vm_error(vm,"unable to create PCI data.\n"); |
365 |
|
|
return(-1); |
366 |
|
|
} |
367 |
|
|
|
368 |
|
|
/* Bind PCI bus to slots 0 and 1 */ |
369 |
|
|
vm->slots_pci_bus[0] = vm->pci_bus[0]; |
370 |
|
|
vm->slots_pci_bus[1] = vm->pci_bus[0]; |
371 |
|
|
|
372 |
|
|
vm->elf_machine_id = C1700_ELF_MACHINE_ID; |
373 |
|
|
return(0); |
374 |
|
|
} |
375 |
|
|
|
376 |
|
|
/* Show C1700 hardware info */ |
377 |
|
|
void c1700_show_hardware(c1700_t *router) |
378 |
|
|
{ |
379 |
|
|
vm_instance_t *vm = router->vm; |
380 |
|
|
|
381 |
|
|
printf("C1700 instance '%s' (id %d):\n",vm->name,vm->instance_id); |
382 |
|
|
|
383 |
|
|
printf(" VM Status : %d\n",vm->status); |
384 |
|
|
printf(" RAM size : %u Mb\n",vm->ram_size); |
385 |
|
|
printf(" NVRAM size : %u Kb\n",vm->nvram_size); |
386 |
|
|
printf(" IOS image : %s\n\n",vm->ios_image); |
387 |
|
|
|
388 |
|
|
if (vm->debug_level > 0) { |
389 |
|
|
dev_show_list(vm); |
390 |
|
|
pci_dev_show_list(vm->pci_bus[0]); |
391 |
|
|
pci_dev_show_list(vm->pci_bus[1]); |
392 |
|
|
printf("\n"); |
393 |
|
|
} |
394 |
|
|
} |
395 |
|
|
|
396 |
|
|
/* Initialize default parameters for a C1700 */ |
397 |
|
|
static void c1700_init_defaults(c1700_t *router) |
398 |
|
|
{ |
399 |
|
|
vm_instance_t *vm = router->vm; |
400 |
|
|
n_eth_addr_t *m; |
401 |
|
|
m_uint16_t pid; |
402 |
|
|
|
403 |
|
|
/* Set platform slots characteristics */ |
404 |
|
|
vm->nr_slots = C1700_MAX_NM_BAYS; |
405 |
|
|
vm->slots_type = CISCO_CARD_TYPE_NM; |
406 |
|
|
vm->slots_drivers = nm_drivers; |
407 |
|
|
|
408 |
|
|
pid = (m_uint16_t)getpid(); |
409 |
|
|
|
410 |
|
|
/* Generate a chassis MAC address based on the instance ID */ |
411 |
|
|
m = &router->mac_addr; |
412 |
|
|
m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
413 |
|
|
m->eth_addr_byte[1] = vm->instance_id & 0xFF; |
414 |
|
|
m->eth_addr_byte[2] = pid >> 8; |
415 |
|
|
m->eth_addr_byte[3] = pid & 0xFF; |
416 |
|
|
m->eth_addr_byte[4] = 0x00; |
417 |
|
|
m->eth_addr_byte[5] = 0x00; |
418 |
|
|
|
419 |
|
|
c1700_init_eeprom_groups(router); |
420 |
|
|
c1700_mainboard_set_type(router,C1700_DEFAULT_MAINBOARD); |
421 |
|
|
c1700_burn_mac_addr(router,&router->mac_addr); |
422 |
|
|
|
423 |
|
|
vm->ram_mmap = C1700_DEFAULT_RAM_MMAP; |
424 |
|
|
vm->ram_size = C1700_DEFAULT_RAM_SIZE; |
425 |
|
|
vm->rom_size = C1700_DEFAULT_ROM_SIZE; |
426 |
|
|
vm->nvram_size = C1700_DEFAULT_NVRAM_SIZE; |
427 |
|
|
vm->conf_reg_setup = C1700_DEFAULT_CONF_REG; |
428 |
|
|
vm->clock_divisor = C1700_DEFAULT_CLOCK_DIV; |
429 |
|
|
vm->nvram_rom_space = C1700_NVRAM_ROM_RES_SIZE; |
430 |
|
|
vm->nm_iomem_size = C1700_DEFAULT_IOMEM_SIZE; |
431 |
|
|
|
432 |
|
|
vm->pcmcia_disk_size[0] = C1700_DEFAULT_DISK0_SIZE; |
433 |
|
|
vm->pcmcia_disk_size[1] = C1700_DEFAULT_DISK1_SIZE; |
434 |
|
|
} |
435 |
|
|
|
436 |
|
|
/* Set an IRQ */ |
437 |
|
|
static void c1700_set_irq(vm_instance_t *vm,u_int irq) |
438 |
|
|
{ |
439 |
|
|
c1700_t *router = VM_C1700(vm); |
440 |
|
|
cpu_ppc_t *cpu = CPU_PPC32(vm->boot_cpu); |
441 |
|
|
u_int slot,port; |
442 |
|
|
|
443 |
|
|
switch(irq) { |
444 |
|
|
case C1700_VTIMER_IRQ: |
445 |
|
|
mpc860_set_pending_irq(router->mpc_data,30); |
446 |
|
|
break; |
447 |
|
|
case C1700_DUART_IRQ: |
448 |
|
|
mpc860_set_pending_irq(router->mpc_data,29); |
449 |
|
|
break; |
450 |
|
|
case C1700_NETIO_IRQ: |
451 |
|
|
mpc860_set_pending_irq(router->mpc_data,25); |
452 |
|
|
break; |
453 |
|
|
case C1700_PA_MGMT_IRQ: |
454 |
|
|
mpc860_set_pending_irq(router->mpc_data,27); |
455 |
|
|
break; |
456 |
|
|
|
457 |
|
|
case C1700_NETIO_IRQ_BASE ... C1700_NETIO_IRQ_END: |
458 |
|
|
c1700_net_irq_get_slot_port(irq,&slot,&port); |
459 |
|
|
dev_c1700_iofpga_net_set_irq(router->iofpga_data,slot,port); |
460 |
|
|
break; |
461 |
|
|
|
462 |
|
|
/* IRQ test */ |
463 |
|
|
case 255: |
464 |
|
|
mpc860_set_pending_irq(router->mpc_data,24); |
465 |
|
|
break; |
466 |
|
|
} |
467 |
|
|
|
468 |
|
|
if (vm->irq_idle_preempt[irq]) |
469 |
|
|
cpu_idle_break_wait(cpu->gen); |
470 |
|
|
} |
471 |
|
|
|
472 |
|
|
/* Clear an IRQ */ |
473 |
|
|
static void c1700_clear_irq(vm_instance_t *vm,u_int irq) |
474 |
|
|
{ |
475 |
|
|
c1700_t *router = VM_C1700(vm); |
476 |
|
|
u_int slot,port; |
477 |
|
|
|
478 |
|
|
switch(irq) { |
479 |
|
|
case C1700_VTIMER_IRQ: |
480 |
|
|
mpc860_clear_pending_irq(router->mpc_data,30); |
481 |
|
|
break; |
482 |
|
|
case C1700_DUART_IRQ: |
483 |
|
|
mpc860_clear_pending_irq(router->mpc_data,29); |
484 |
|
|
break; |
485 |
|
|
case C1700_NETIO_IRQ: |
486 |
|
|
mpc860_clear_pending_irq(router->mpc_data,25); |
487 |
|
|
break; |
488 |
|
|
case C1700_PA_MGMT_IRQ: |
489 |
|
|
mpc860_clear_pending_irq(router->mpc_data,27); |
490 |
|
|
break; |
491 |
|
|
|
492 |
|
|
case C1700_NETIO_IRQ_BASE ... C1700_NETIO_IRQ_END: |
493 |
|
|
c1700_net_irq_get_slot_port(irq,&slot,&port); |
494 |
|
|
dev_c1700_iofpga_net_clear_irq(router->iofpga_data,slot,port); |
495 |
|
|
break; |
496 |
|
|
|
497 |
|
|
/* IRQ test */ |
498 |
|
|
case 255: |
499 |
|
|
mpc860_clear_pending_irq(router->mpc_data,24); |
500 |
|
|
break; |
501 |
|
|
} |
502 |
|
|
} |
503 |
|
|
|
504 |
|
|
/* Initialize the C1700 Platform */ |
505 |
|
|
static int c1700_init_platform(c1700_t *router) |
506 |
|
|
{ |
507 |
|
|
vm_instance_t *vm = router->vm; |
508 |
|
|
vm_obj_t *obj; |
509 |
|
|
cpu_ppc_t *cpu; |
510 |
|
|
cpu_gen_t *gen; |
511 |
|
|
|
512 |
|
|
/* Copy config register setup into "active" config register */ |
513 |
|
|
vm->conf_reg = vm->conf_reg_setup; |
514 |
|
|
|
515 |
|
|
/* Create Console and AUX ports */ |
516 |
|
|
vm_init_vtty(vm); |
517 |
|
|
|
518 |
|
|
/* Create a CPU group */ |
519 |
|
|
vm->cpu_group = cpu_group_create("System CPU"); |
520 |
|
|
|
521 |
|
|
/* Initialize the virtual PowerPC processor */ |
522 |
|
|
if (!(gen = cpu_create(vm,CPU_TYPE_PPC32,0))) { |
523 |
|
|
vm_error(vm,"unable to create CPU!\n"); |
524 |
|
|
return(-1); |
525 |
|
|
} |
526 |
|
|
|
527 |
|
|
cpu = CPU_PPC32(gen); |
528 |
|
|
|
529 |
|
|
/* Add this CPU to the system CPU group */ |
530 |
|
|
cpu_group_add(vm->cpu_group,gen); |
531 |
|
|
vm->boot_cpu = gen; |
532 |
|
|
|
533 |
|
|
/* Set processor ID */ |
534 |
|
|
ppc32_set_pvr(cpu,0x00500202); |
535 |
|
|
|
536 |
|
|
/* Mark the Network IO interrupt as high priority */ |
537 |
|
|
vm->irq_idle_preempt[C1700_NETIO_IRQ] = TRUE; |
538 |
|
|
vm->irq_idle_preempt[C1700_DUART_IRQ] = TRUE; |
539 |
|
|
|
540 |
|
|
/* Copy some parameters from VM to CPU (idle PC, ...) */ |
541 |
|
|
cpu->idle_pc = vm->idle_pc; |
542 |
|
|
|
543 |
|
|
if (vm->timer_irq_check_itv) |
544 |
|
|
cpu->timer_irq_check_itv = vm->timer_irq_check_itv; |
545 |
|
|
|
546 |
|
|
/* Remote emulator control */ |
547 |
|
|
dev_remote_control_init(vm,0xf6000000,0x1000); |
548 |
|
|
|
549 |
|
|
/* MPC860 */ |
550 |
|
|
cpu->mpc860_immr = C1700_MPC860_ADDR; |
551 |
|
|
|
552 |
|
|
if (dev_mpc860_init(vm,"MPC860",C1700_MPC860_ADDR,0x10000) == -1) |
553 |
|
|
return(-1); |
554 |
|
|
|
555 |
|
|
if (!(obj = vm_object_find(router->vm,"MPC860"))) |
556 |
|
|
return(-1); |
557 |
|
|
|
558 |
|
|
router->mpc_data = obj->data; |
559 |
|
|
|
560 |
|
|
/* IO FPGA */ |
561 |
|
|
if (dev_c1700_iofpga_init(router,C1700_IOFPGA_ADDR,0x10000) == -1) |
562 |
|
|
return(-1); |
563 |
|
|
|
564 |
|
|
if (!(obj = vm_object_find(router->vm,"io_fpga"))) |
565 |
|
|
return(-1); |
566 |
|
|
|
567 |
|
|
router->iofpga_data = obj->data; |
568 |
|
|
|
569 |
|
|
/* Initialize the chassis */ |
570 |
|
|
if (c1700_init(router) == -1) |
571 |
|
|
return(-1); |
572 |
|
|
|
573 |
|
|
/* Initialize RAM */ |
574 |
|
|
vm_ram_init(vm,0x00000000ULL); |
575 |
|
|
|
576 |
|
|
/* Initialize ROM */ |
577 |
|
|
if (!vm->rom_filename) { |
578 |
|
|
/* use embedded ROM */ |
579 |
|
|
dev_rom_init(vm,"rom",C1700_ROM_ADDR,512*1024, |
580 |
|
|
ppc32_microcode,ppc32_microcode_len); |
581 |
|
|
} else { |
582 |
|
|
/* use alternate ROM */ |
583 |
|
|
dev_ram_init(vm,"rom",TRUE,TRUE,NULL,FALSE,C1700_ROM_ADDR,512*1024); |
584 |
|
|
} |
585 |
|
|
|
586 |
|
|
/* RAM aliasing */ |
587 |
|
|
dev_create_ram_alias(vm,"ram_alias","ram",0x80000000,vm->ram_size*1048576); |
588 |
|
|
|
589 |
|
|
/* NVRAM */ |
590 |
|
|
dev_nvram_init(vm,"nvram", |
591 |
|
|
C1700_NVRAM_ADDR,vm->nvram_size*1024,&vm->conf_reg); |
592 |
|
|
|
593 |
|
|
|
594 |
|
|
/* Bootflash (4 Mb) */ |
595 |
|
|
dev_bootflash_init(vm,"bootflash","c1700-bootflash-4mb",C1700_FLASH_ADDR); |
596 |
|
|
|
597 |
|
|
/* Initialize the NS16552 DUART */ |
598 |
|
|
dev_ns16552_init(vm,C1700_DUART_ADDR,0x1000,0,C1700_DUART_IRQ, |
599 |
|
|
vm->vtty_con,vm->vtty_aux); |
600 |
|
|
|
601 |
|
|
/* Initialize Network Modules */ |
602 |
|
|
if (vm_slot_init_all(vm) == -1) |
603 |
|
|
return(-1); |
604 |
|
|
|
605 |
|
|
/* Show device list */ |
606 |
|
|
c1700_show_hardware(router); |
607 |
|
|
return(0); |
608 |
|
|
} |
609 |
|
|
|
610 |
|
|
static struct ppc32_bat_prog bat_array[] = { |
611 |
|
|
{ PPC32_IBAT_IDX, 0, 0xfff0001e, 0xfff00001 }, |
612 |
|
|
{ PPC32_IBAT_IDX, 1, 0x00001ffe, 0x00000001 }, |
613 |
|
|
{ PPC32_IBAT_IDX, 2, 0x00000000, 0xee3e0072 }, |
614 |
|
|
{ PPC32_IBAT_IDX, 3, 0x80001ffe, 0x00000001 }, |
615 |
|
|
|
616 |
|
|
{ PPC32_DBAT_IDX, 0, 0x80001ffe, 0x00000042 }, |
617 |
|
|
{ PPC32_DBAT_IDX, 1, 0x00001ffe, 0x0000002a }, |
618 |
|
|
{ PPC32_DBAT_IDX, 2, 0x40007ffe, 0x4000002a }, |
619 |
|
|
{ PPC32_DBAT_IDX, 3, 0xf0001ffe, 0xf000002a }, |
620 |
|
|
{ -1, -1, 0, 0 }, |
621 |
|
|
}; |
622 |
|
|
|
623 |
|
|
/* Boot the IOS image */ |
624 |
|
|
static int c1700_boot_ios(c1700_t *router) |
625 |
|
|
{ |
626 |
|
|
vm_instance_t *vm = router->vm; |
627 |
|
|
cpu_ppc_t *cpu; |
628 |
|
|
|
629 |
|
|
if (!vm->boot_cpu) |
630 |
|
|
return(-1); |
631 |
|
|
|
632 |
|
|
/* Suspend CPU activity since we will restart directly from ROM */ |
633 |
|
|
vm_suspend(vm); |
634 |
|
|
|
635 |
|
|
/* Check that CPU activity is really suspended */ |
636 |
|
|
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
637 |
|
|
vm_error(vm,"unable to sync with system CPUs.\n"); |
638 |
|
|
return(-1); |
639 |
|
|
} |
640 |
|
|
|
641 |
|
|
/* Reset the boot CPU */ |
642 |
|
|
cpu = CPU_PPC32(vm->boot_cpu); |
643 |
|
|
ppc32_reset(cpu); |
644 |
|
|
|
645 |
|
|
/* Adjust stack pointer */ |
646 |
|
|
cpu->gpr[1] |= 0x80000000; |
647 |
|
|
|
648 |
|
|
/* Load BAT registers */ |
649 |
|
|
printf("Loading BAT registers\n"); |
650 |
|
|
ppc32_load_bat_array(cpu,bat_array); |
651 |
|
|
cpu->msr |= PPC32_MSR_IR|PPC32_MSR_DR; |
652 |
|
|
|
653 |
|
|
/* IRQ routing */ |
654 |
|
|
vm->set_irq = c1700_set_irq; |
655 |
|
|
vm->clear_irq = c1700_clear_irq; |
656 |
|
|
|
657 |
|
|
/* Load IOS image */ |
658 |
|
|
if (ppc32_load_elf_image(cpu,vm->ios_image, |
659 |
|
|
(vm->ghost_status == VM_GHOST_RAM_USE), |
660 |
|
|
&vm->ios_entry_point) < 0) |
661 |
|
|
{ |
662 |
|
|
vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); |
663 |
|
|
return(-1); |
664 |
|
|
} |
665 |
|
|
|
666 |
|
|
/* Launch the simulation */ |
667 |
|
|
printf("\nC1700 '%s': starting simulation (CPU0 IA=0x%8.8x), " |
668 |
|
|
"JIT %sabled.\n", |
669 |
|
|
vm->name,cpu->ia,vm->jit_use ? "en":"dis"); |
670 |
|
|
|
671 |
|
|
vm_log(vm,"C1700_BOOT", |
672 |
|
|
"starting instance (CPU0 PC=0x%8.8x,idle_pc=0x%8.8x,JIT %s)\n", |
673 |
|
|
cpu->ia,cpu->idle_pc,vm->jit_use ? "on":"off"); |
674 |
|
|
|
675 |
|
|
/* Start main CPU */ |
676 |
|
|
if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { |
677 |
|
|
vm->status = VM_STATUS_RUNNING; |
678 |
|
|
cpu_start(vm->boot_cpu); |
679 |
|
|
} else { |
680 |
|
|
vm->status = VM_STATUS_SHUTDOWN; |
681 |
|
|
} |
682 |
|
|
return(0); |
683 |
|
|
} |
684 |
|
|
|
685 |
|
|
/* Initialize a Cisco 1700 instance */ |
686 |
|
|
static int c1700_init_instance(vm_instance_t *vm) |
687 |
|
|
{ |
688 |
|
|
c1700_t *router = VM_C1700(vm); |
689 |
|
|
m_uint32_t rom_entry_point; |
690 |
|
|
cpu_ppc_t *cpu0; |
691 |
|
|
|
692 |
|
|
if (!vm->ios_image) { |
693 |
|
|
vm_error(vm,"no Cisco IOS image defined."); |
694 |
|
|
return(-1); |
695 |
|
|
} |
696 |
|
|
|
697 |
|
|
/* Initialize the C1700 platform */ |
698 |
|
|
if (c1700_init_platform(router) == -1) { |
699 |
|
|
vm_error(vm,"unable to initialize the platform hardware.\n"); |
700 |
|
|
return(-1); |
701 |
|
|
} |
702 |
|
|
|
703 |
|
|
/* Load IOS configuration file */ |
704 |
|
|
if (vm->ios_config != NULL) { |
705 |
|
|
vm_nvram_push_config(vm,vm->ios_config); |
706 |
|
|
vm->conf_reg &= ~0x40; |
707 |
|
|
} |
708 |
|
|
|
709 |
|
|
/* Load ROM (ELF image or embedded) */ |
710 |
|
|
cpu0 = CPU_PPC32(vm->boot_cpu); |
711 |
|
|
rom_entry_point = (m_uint32_t)PPC32_ROM_START; |
712 |
|
|
|
713 |
|
|
if ((vm->rom_filename != NULL) && |
714 |
|
|
(ppc32_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) |
715 |
|
|
{ |
716 |
|
|
vm_error(vm,"unable to load alternate ROM '%s', " |
717 |
|
|
"fallback to embedded ROM.\n\n",vm->rom_filename); |
718 |
|
|
vm->rom_filename = NULL; |
719 |
|
|
} |
720 |
|
|
|
721 |
|
|
return(c1700_boot_ios(router)); |
722 |
|
|
} |
723 |
|
|
|
724 |
|
|
/* Stop a Cisco 1700 instance */ |
725 |
|
|
static int c1700_stop_instance(vm_instance_t *vm) |
726 |
|
|
{ |
727 |
|
|
printf("\nC1700 '%s': stopping simulation.\n",vm->name); |
728 |
|
|
vm_log(vm,"C1700_STOP","stopping simulation.\n"); |
729 |
|
|
|
730 |
|
|
/* Stop all CPUs */ |
731 |
|
|
if (vm->cpu_group != NULL) { |
732 |
|
|
vm_stop(vm); |
733 |
|
|
|
734 |
|
|
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
735 |
|
|
vm_error(vm,"unable to sync with system CPUs.\n"); |
736 |
|
|
return(-1); |
737 |
|
|
} |
738 |
|
|
} |
739 |
|
|
|
740 |
|
|
/* Free resources that were used during execution to emulate hardware */ |
741 |
|
|
vm_slot_shutdown_all(vm); |
742 |
|
|
vm_hardware_shutdown(vm); |
743 |
|
|
return(0); |
744 |
|
|
} |
745 |
|
|
|
746 |
|
|
/* Get MAC address MSB */ |
747 |
|
|
static u_int c1700_get_mac_addr_msb(void) |
748 |
|
|
{ |
749 |
|
|
return(0xD0); |
750 |
|
|
} |
751 |
|
|
|
752 |
|
|
/* Parse specific options for the Cisco 1700 platform */ |
753 |
|
|
static int c1700_cli_parse_options(vm_instance_t *vm,int option) |
754 |
|
|
{ |
755 |
|
|
c1700_t *router = VM_C1700(vm); |
756 |
|
|
|
757 |
|
|
switch(option) { |
758 |
|
|
/* IO memory reserved for NMs (in percents!) */ |
759 |
|
|
case OPT_IOMEM_SIZE: |
760 |
|
|
vm->nm_iomem_size = 0x8000 | atoi(optarg); |
761 |
|
|
break; |
762 |
|
|
|
763 |
|
|
/* Mainboard type */ |
764 |
|
|
case 't': |
765 |
|
|
c1700_mainboard_set_type(router,optarg); |
766 |
|
|
break; |
767 |
|
|
|
768 |
|
|
/* Unknown option */ |
769 |
|
|
default: |
770 |
|
|
return(-1); |
771 |
|
|
} |
772 |
|
|
|
773 |
|
|
return(0); |
774 |
|
|
} |
775 |
|
|
|
776 |
|
|
/* Show specific CLI options */ |
777 |
|
|
static void c1700_cli_show_options(vm_instance_t *vm) |
778 |
|
|
{ |
779 |
|
|
printf(" --iomem-size <val> : IO memory (in percents, default: %u)\n" |
780 |
|
|
" -t <chassis_type> : Select Chassis type\n" |
781 |
|
|
" -p <wic_desc> : Define a WIC Module\n" |
782 |
|
|
" -s <wic_nio> : Bind a Network IO interface to a WIC\n", |
783 |
|
|
vm->nm_iomem_size); |
784 |
|
|
} |
785 |
|
|
|
786 |
|
|
/* Platform definition */ |
787 |
|
|
static vm_platform_t c1700_platform = { |
788 |
|
|
"c1700", "C1700", "1700", |
789 |
|
|
c1700_create_instance, |
790 |
|
|
c1700_delete_instance, |
791 |
|
|
c1700_init_instance, |
792 |
|
|
c1700_stop_instance, |
793 |
|
|
c1700_nvram_extract_config, |
794 |
|
|
c1700_nvram_push_config, |
795 |
|
|
c1700_get_mac_addr_msb, |
796 |
|
|
c1700_save_config, |
797 |
|
|
c1700_cli_parse_options, |
798 |
|
|
c1700_cli_show_options, |
799 |
|
|
c1700_mainboard_show_drivers, |
800 |
|
|
}; |
801 |
|
|
|
802 |
|
|
/* Register the c1700 platform */ |
803 |
|
|
int c1700_platform_register(void) |
804 |
|
|
{ |
805 |
|
|
if (vm_platform_register(&c1700_platform) == -1) |
806 |
|
|
return(-1); |
807 |
|
|
|
808 |
|
|
return(hypervisor_c1700_init(&c1700_platform)); |
809 |
|
|
} |