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dpavlin |
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/* |
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dpavlin |
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* Cisco router simulation platform. |
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dpavlin |
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* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
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* |
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* Generic Cisco 2691 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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dpavlin |
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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 "pci_io.h" |
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#include "dev_gt.h" |
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#include "cisco_eeprom.h" |
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dpavlin |
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#include "dev_rom.h" |
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#include "dev_c2691.h" |
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#include "dev_c2691_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 2691 mainboard EEPROM */ |
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static m_uint16_t eeprom_c2691_mainboard_data[] = { |
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0x04FF, 0xC18B, 0x5858, 0x5858, 0x5858, 0x5858, 0x5858, 0x5809, |
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0x6640, 0x0258, 0xC046, 0x0320, 0x0025, 0x9002, 0x4246, 0x3085, |
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0x1C10, 0x8206, 0x80FF, 0xFFFF, 0xFFC4, 0x08FF, 0xFFFF, 0xFFFF, |
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0xFFFF, 0xFF81, 0xFFFF, 0xFFFF, 0x03FF, 0x04FF, 0xC28B, 0x5858, |
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0x5858, 0x5858, 0x5858, 0x5858, 0x58C3, 0x0600, 0x1280, 0xD387, |
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0xC043, 0x0020, 0xC508, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x4100, |
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0x0101, 0x01FF, 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 cisco_eeprom eeprom_c2691_mainboard = { |
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"C2691 Backplane", |
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eeprom_c2691_mainboard_data, |
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sizeof(eeprom_c2691_mainboard_data)/2, |
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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_c2691_nm_1fe_tx_driver, |
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&dev_c2691_nm_16esw_driver, |
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&dev_c2691_gt96100_fe_driver, |
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&dev_c2691_nm_4t_driver, |
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&dev_c2691_nm_nam_driver, |
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&dev_c2691_nm_cids_driver, |
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NULL, |
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}; |
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/* ======================================================================== */ |
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/* Cisco 2691 router instances */ |
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/* ======================================================================== */ |
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/* Initialize default parameters for a C2691 */ |
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static void c2691_init_defaults(c2691_t *router); |
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/* Directly extract the configuration from the NVRAM device */ |
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ssize_t c2691_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,"rom"))) |
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dev_sync(nvram_dev); |
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fd = vm_mmap_open_file(vm,"rom",&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 + C2691_NVRAM_OFFSET; |
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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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static int c2691_nvram_push_config_part(vm_instance_t *vm, |
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u_char *buffer,size_t len, |
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u_char *ios_ptr) |
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{ |
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m_uint32_t cfg_offset,cklen,tmp; |
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m_uint16_t cksum; |
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u_char *cfg_ptr; |
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cfg_offset = 0x2c; |
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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 = C2691_NVRAM_SIZE - 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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return(0); |
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} |
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/* Directly push the IOS configuration to the NVRAM device */ |
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int c2691_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; |
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int fd; |
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fd = vm_mmap_create_file(vm,"rom",vm->rom_size*1048576,&base_ptr); |
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if (fd == -1) |
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return(-1); |
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ios_ptr = base_ptr + C2691_NVRAM_OFFSET; |
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/* Normal config */ |
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c2691_nvram_push_config_part(vm,buffer,len,ios_ptr); |
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/* Backup config */ |
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c2691_nvram_push_config_part(vm,buffer,len,ios_ptr + C2691_NVRAM_SIZE); |
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vm_mmap_close_file(fd,base_ptr,vm->rom_size*1048576); |
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return(0); |
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} |
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/* Check for empty config */ |
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int c2691_nvram_check_empty_config(vm_instance_t *vm) |
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{ |
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struct vdevice *rom_dev; |
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m_uint64_t addr; |
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size_t len; |
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if (!(rom_dev = dev_get_by_name(vm,"rom"))) |
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return(-1); |
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addr = rom_dev->phys_addr + C2691_NVRAM_OFFSET; |
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len = C2691_NVRAM_SIZE; |
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while(len > 0) { |
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if (physmem_copy_u32_from_vm(vm,addr) != 0) |
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return(0); |
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addr += sizeof(m_uint32_t); |
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len -= sizeof(m_uint32_t); |
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} |
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/* Empty NVRAM */ |
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vm->conf_reg |= 0x0040; |
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printf("NVRAM is empty, setting config register to 0x%x\n",vm->conf_reg); |
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return(0); |
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} |
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/* Create a new router instance */ |
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dpavlin |
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static int c2691_create_instance(vm_instance_t *vm) |
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dpavlin |
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{ |
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c2691_t *router; |
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if (!(router = malloc(sizeof(*router)))) { |
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dpavlin |
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fprintf(stderr,"C2691 '%s': Unable to create new instance!\n",vm->name); |
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return(-1); |
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dpavlin |
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} |
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memset(router,0,sizeof(*router)); |
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dpavlin |
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router->vm = vm; |
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vm->hw_data = router; |
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dpavlin |
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c2691_init_defaults(router); |
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dpavlin |
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return(0); |
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dpavlin |
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} |
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/* Free resources used by a router instance */ |
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dpavlin |
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static int c2691_delete_instance(vm_instance_t *vm) |
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dpavlin |
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{ |
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dpavlin |
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c2691_t *router = VM_C2691(vm); |
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dpavlin |
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int i; |
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dpavlin |
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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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dpavlin |
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dpavlin |
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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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dpavlin |
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} |
243 |
dpavlin |
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} |
244 |
dpavlin |
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dpavlin |
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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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dpavlin |
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dpavlin |
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/* Shutdown all Network Modules */ |
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vm_slot_shutdown_all(vm); |
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dpavlin |
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dpavlin |
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/* Free mainboard EEPROM */ |
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cisco_eeprom_free(&router->mb_eeprom); |
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dpavlin |
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dpavlin |
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/* Free all resources used by VM */ |
256 |
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vm_free(vm); |
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dpavlin |
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dpavlin |
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/* Free the router structure */ |
259 |
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free(router); |
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return(TRUE); |
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dpavlin |
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} |
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dpavlin |
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/* Get WIC device address for the specified onboard port */ |
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int c2691_get_onboard_wic_addr(u_int slot,m_uint64_t *phys_addr) |
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dpavlin |
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{ |
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dpavlin |
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if (slot >= C2691_MAX_WIC_BAYS) |
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return(-1); |
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dpavlin |
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dpavlin |
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*phys_addr = C2691_WIC_ADDR + (slot * C2691_WIC_SIZE); |
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return(0); |
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dpavlin |
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} |
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273 |
dpavlin |
11 |
/* Set EEPROM for the specified slot */ |
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int c2691_set_slot_eeprom(c2691_t *router,u_int slot, |
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struct cisco_eeprom *eeprom) |
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dpavlin |
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{ |
277 |
dpavlin |
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if (slot != 1) |
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return(-1); |
279 |
dpavlin |
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280 |
dpavlin |
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router->nm_eeprom_group.eeprom[0] = eeprom; |
281 |
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return(0); |
282 |
dpavlin |
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} |
283 |
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284 |
dpavlin |
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/* Get slot/port corresponding to specified network IRQ */ |
285 |
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static inline void |
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c2691_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) |
287 |
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{ |
288 |
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irq -= C2691_NETIO_IRQ_BASE; |
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*port = irq & C2691_NETIO_IRQ_PORT_MASK; |
290 |
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*slot = irq >> C2691_NETIO_IRQ_PORT_BITS; |
291 |
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} |
292 |
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293 |
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/* Get network IRQ for specified slot/port */ |
294 |
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u_int c2691_net_irq_for_slot_port(u_int slot,u_int port) |
295 |
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{ |
296 |
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u_int irq; |
297 |
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298 |
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irq = (slot << C2691_NETIO_IRQ_PORT_BITS) + port; |
299 |
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irq += C2691_NETIO_IRQ_BASE; |
300 |
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301 |
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return(irq); |
302 |
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} |
303 |
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304 |
dpavlin |
4 |
/* Set the base MAC address of the chassis */ |
305 |
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static int c2691_burn_mac_addr(c2691_t *router,n_eth_addr_t *addr) |
306 |
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{ |
307 |
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m_uint8_t eeprom_ver; |
308 |
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size_t offset; |
309 |
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310 |
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/* Read EEPROM format version */ |
311 |
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cisco_eeprom_get_byte(&router->mb_eeprom,0,&eeprom_ver); |
312 |
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313 |
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switch(eeprom_ver) { |
314 |
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case 0: |
315 |
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cisco_eeprom_set_region(&router->mb_eeprom,2,addr->eth_addr_byte,6); |
316 |
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break; |
317 |
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318 |
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case 4: |
319 |
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if (!cisco_eeprom_v4_find_field(&router->mb_eeprom,0xC3,&offset)) { |
320 |
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cisco_eeprom_set_region(&router->mb_eeprom,offset, |
321 |
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addr->eth_addr_byte,6); |
322 |
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} |
323 |
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break; |
324 |
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325 |
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default: |
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vm_error(router->vm,"c2691_burn_mac_addr: unable to handle " |
327 |
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"EEPROM version %u\n",eeprom_ver); |
328 |
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return(-1); |
329 |
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} |
330 |
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331 |
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return(0); |
332 |
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} |
333 |
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334 |
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/* Set chassis MAC address */ |
335 |
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int c2691_chassis_set_mac_addr(c2691_t *router,char *mac_addr) |
336 |
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{ |
337 |
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if (parse_mac_addr(&router->mac_addr,mac_addr) == -1) { |
338 |
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vm_error(router->vm,"unable to parse MAC address '%s'.\n",mac_addr); |
339 |
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return(-1); |
340 |
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} |
341 |
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342 |
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/* Set the chassis base MAC address */ |
343 |
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c2691_burn_mac_addr(router,&router->mac_addr); |
344 |
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return(0); |
345 |
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} |
346 |
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347 |
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/* Create the two main PCI busses for a GT64120 based system */ |
348 |
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static int c2691_init_gt96100(c2691_t *router) |
349 |
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{ |
350 |
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vm_instance_t *vm = router->vm; |
351 |
dpavlin |
11 |
vm_obj_t *obj; |
352 |
dpavlin |
4 |
|
353 |
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vm->pci_bus[0] = pci_bus_create("PCI bus #0",0); |
354 |
|
|
vm->pci_bus[1] = pci_bus_create("PCI bus #1",0); |
355 |
|
|
|
356 |
|
|
if (!vm->pci_bus[0] || !vm->pci_bus[1]) { |
357 |
|
|
vm_error(router->vm,"unable to create PCI data.\n"); |
358 |
|
|
return(-1); |
359 |
|
|
} |
360 |
|
|
|
361 |
dpavlin |
11 |
if (dev_gt96100_init(vm,"gt96100",C2691_GT96K_ADDR,0x200000, |
362 |
|
|
C2691_GT96K_IRQ, |
363 |
|
|
C2691_EXT_IRQ, |
364 |
|
|
c2691_net_irq_for_slot_port(0,0), |
365 |
|
|
255) == -1) |
366 |
|
|
return(-1); |
367 |
|
|
|
368 |
|
|
if (!(obj = vm_object_find(router->vm,"gt96100"))) |
369 |
|
|
return(-1); |
370 |
|
|
|
371 |
|
|
router->gt_data = obj->data; |
372 |
|
|
return(0); |
373 |
dpavlin |
4 |
} |
374 |
|
|
|
375 |
|
|
/* Initialize a Cisco 2691 */ |
376 |
|
|
static int c2691_init(c2691_t *router) |
377 |
|
|
{ |
378 |
|
|
vm_instance_t *vm = router->vm; |
379 |
|
|
|
380 |
|
|
/* Set the processor type: R7000 */ |
381 |
dpavlin |
7 |
mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R7000); |
382 |
dpavlin |
4 |
|
383 |
|
|
/* Initialize the Galileo GT-96100 PCI controller */ |
384 |
|
|
if (c2691_init_gt96100(router) == -1) |
385 |
|
|
return(-1); |
386 |
|
|
|
387 |
|
|
/* Initialize PCI map (NM slot 1) */ |
388 |
dpavlin |
11 |
vm->slots_pci_bus[1] = vm->pci_bus[1]; |
389 |
dpavlin |
4 |
|
390 |
|
|
vm->elf_machine_id = C2691_ELF_MACHINE_ID; |
391 |
|
|
return(0); |
392 |
|
|
} |
393 |
|
|
|
394 |
|
|
/* Show C2691 hardware info */ |
395 |
|
|
void c2691_show_hardware(c2691_t *router) |
396 |
|
|
{ |
397 |
|
|
vm_instance_t *vm = router->vm; |
398 |
|
|
|
399 |
|
|
printf("C2691 instance '%s' (id %d):\n",vm->name,vm->instance_id); |
400 |
|
|
|
401 |
|
|
printf(" VM Status : %d\n",vm->status); |
402 |
|
|
printf(" RAM size : %u Mb\n",vm->ram_size); |
403 |
|
|
printf(" NVRAM size : %u Kb\n",vm->nvram_size); |
404 |
|
|
printf(" IOS image : %s\n\n",vm->ios_image); |
405 |
|
|
|
406 |
|
|
if (vm->debug_level > 0) { |
407 |
|
|
dev_show_list(vm); |
408 |
|
|
pci_dev_show_list(vm->pci_bus[0]); |
409 |
|
|
pci_dev_show_list(vm->pci_bus[1]); |
410 |
|
|
printf("\n"); |
411 |
|
|
} |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
/* Initialize default parameters for a C2691 */ |
415 |
dpavlin |
11 |
static void c2691_init_defaults(c2691_t *router) |
416 |
dpavlin |
4 |
{ |
417 |
|
|
vm_instance_t *vm = router->vm; |
418 |
|
|
n_eth_addr_t *m; |
419 |
|
|
m_uint16_t pid; |
420 |
|
|
|
421 |
dpavlin |
11 |
/* Set platform slots characteristics */ |
422 |
|
|
vm->nr_slots = C2691_MAX_NM_BAYS; |
423 |
|
|
vm->slots_type = CISCO_CARD_TYPE_NM; |
424 |
|
|
vm->slots_drivers = nm_drivers; |
425 |
|
|
|
426 |
dpavlin |
4 |
pid = (m_uint16_t)getpid(); |
427 |
|
|
|
428 |
|
|
/* Generate a chassis MAC address based on the instance ID */ |
429 |
|
|
m = &router->mac_addr; |
430 |
|
|
m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
431 |
|
|
m->eth_addr_byte[1] = vm->instance_id & 0xFF; |
432 |
|
|
m->eth_addr_byte[2] = pid >> 8; |
433 |
|
|
m->eth_addr_byte[3] = pid & 0xFF; |
434 |
|
|
m->eth_addr_byte[4] = 0x00; |
435 |
|
|
m->eth_addr_byte[5] = 0x00; |
436 |
|
|
|
437 |
|
|
c2691_init_eeprom_groups(router); |
438 |
|
|
cisco_eeprom_copy(&router->mb_eeprom,&eeprom_c2691_mainboard); |
439 |
|
|
c2691_burn_mac_addr(router,&router->mac_addr); |
440 |
|
|
|
441 |
dpavlin |
11 |
/* The GT96100 system controller has 2 integrated FastEthernet ports */ |
442 |
|
|
vm_slot_add_binding(vm,"GT96100-FE",0,0); |
443 |
|
|
|
444 |
dpavlin |
4 |
vm->ram_mmap = C2691_DEFAULT_RAM_MMAP; |
445 |
|
|
vm->ram_size = C2691_DEFAULT_RAM_SIZE; |
446 |
|
|
vm->rom_size = C2691_DEFAULT_ROM_SIZE; |
447 |
|
|
vm->nvram_size = C2691_DEFAULT_NVRAM_SIZE; |
448 |
|
|
vm->conf_reg_setup = C2691_DEFAULT_CONF_REG; |
449 |
|
|
vm->clock_divisor = C2691_DEFAULT_CLOCK_DIV; |
450 |
|
|
vm->nvram_rom_space = C2691_NVRAM_ROM_RES_SIZE; |
451 |
dpavlin |
11 |
vm->nm_iomem_size = C2691_DEFAULT_IOMEM_SIZE; |
452 |
dpavlin |
4 |
|
453 |
|
|
vm->pcmcia_disk_size[0] = C2691_DEFAULT_DISK0_SIZE; |
454 |
|
|
vm->pcmcia_disk_size[1] = C2691_DEFAULT_DISK1_SIZE; |
455 |
|
|
} |
456 |
|
|
|
457 |
|
|
/* Initialize the C2691 Platform */ |
458 |
dpavlin |
11 |
static int c2691_init_platform(c2691_t *router) |
459 |
dpavlin |
4 |
{ |
460 |
|
|
vm_instance_t *vm = router->vm; |
461 |
|
|
cpu_mips_t *cpu; |
462 |
dpavlin |
7 |
cpu_gen_t *gen; |
463 |
dpavlin |
4 |
vm_obj_t *obj; |
464 |
|
|
|
465 |
|
|
/* Copy config register setup into "active" config register */ |
466 |
|
|
vm->conf_reg = vm->conf_reg_setup; |
467 |
|
|
|
468 |
|
|
/* Create Console and AUX ports */ |
469 |
|
|
vm_init_vtty(vm); |
470 |
|
|
|
471 |
|
|
/* Create a CPU group */ |
472 |
|
|
vm->cpu_group = cpu_group_create("System CPU"); |
473 |
|
|
|
474 |
|
|
/* Initialize the virtual MIPS processor */ |
475 |
dpavlin |
7 |
if (!(gen = cpu_create(vm,CPU_TYPE_MIPS64,0))) { |
476 |
dpavlin |
4 |
vm_error(vm,"unable to create CPU!\n"); |
477 |
|
|
return(-1); |
478 |
|
|
} |
479 |
|
|
|
480 |
dpavlin |
7 |
cpu = CPU_MIPS64(gen); |
481 |
|
|
|
482 |
dpavlin |
4 |
/* Add this CPU to the system CPU group */ |
483 |
dpavlin |
7 |
cpu_group_add(vm->cpu_group,gen); |
484 |
|
|
vm->boot_cpu = gen; |
485 |
dpavlin |
4 |
|
486 |
dpavlin |
7 |
/* Initialize the IRQ routing vectors */ |
487 |
|
|
vm->set_irq = mips64_vm_set_irq; |
488 |
|
|
vm->clear_irq = mips64_vm_clear_irq; |
489 |
|
|
|
490 |
dpavlin |
4 |
/* Mark the Network IO interrupt as high priority */ |
491 |
|
|
cpu->irq_idle_preempt[C2691_NETIO_IRQ] = TRUE; |
492 |
|
|
cpu->irq_idle_preempt[C2691_GT96K_IRQ] = TRUE; |
493 |
|
|
cpu->irq_idle_preempt[C2691_DUART_IRQ] = TRUE; |
494 |
|
|
|
495 |
|
|
/* Copy some parameters from VM to CPU (idle PC, ...) */ |
496 |
|
|
cpu->idle_pc = vm->idle_pc; |
497 |
|
|
|
498 |
|
|
if (vm->timer_irq_check_itv) |
499 |
|
|
cpu->timer_irq_check_itv = vm->timer_irq_check_itv; |
500 |
|
|
|
501 |
|
|
/* Remote emulator control */ |
502 |
|
|
dev_remote_control_init(vm,0x16000000,0x1000); |
503 |
|
|
|
504 |
|
|
/* Specific Storage Area (SSA) */ |
505 |
dpavlin |
7 |
dev_ram_init(vm,"ssa",TRUE,FALSE,NULL,FALSE,0x16001000ULL,0x7000); |
506 |
dpavlin |
4 |
|
507 |
|
|
/* IO FPGA */ |
508 |
|
|
if (dev_c2691_iofpga_init(router,C2691_IOFPGA_ADDR,0x40000) == -1) |
509 |
|
|
return(-1); |
510 |
|
|
|
511 |
dpavlin |
8 |
if (!(obj = vm_object_find(router->vm,"io_fpga"))) |
512 |
|
|
return(-1); |
513 |
|
|
|
514 |
|
|
router->iofpga_data = obj->data; |
515 |
|
|
|
516 |
dpavlin |
4 |
#if 0 |
517 |
|
|
/* PCI IO space */ |
518 |
|
|
if (!(vm->pci_io_space = pci_io_data_init(vm,C2691_PCI_IO_ADDR))) |
519 |
|
|
return(-1); |
520 |
|
|
#endif |
521 |
|
|
|
522 |
|
|
/* Initialize the chassis */ |
523 |
|
|
if (c2691_init(router) == -1) |
524 |
|
|
return(-1); |
525 |
|
|
|
526 |
|
|
/* Initialize RAM */ |
527 |
|
|
vm_ram_init(vm,0x00000000ULL); |
528 |
|
|
|
529 |
|
|
/* Initialize ROM (as a Flash) */ |
530 |
|
|
if (!(obj = dev_flash_init(vm,"rom",C2691_ROM_ADDR,vm->rom_size*1048576))) |
531 |
|
|
return(-1); |
532 |
|
|
|
533 |
dpavlin |
7 |
dev_flash_copy_data(obj,0,mips64_microcode,mips64_microcode_len); |
534 |
dpavlin |
4 |
c2691_nvram_check_empty_config(vm); |
535 |
|
|
|
536 |
dpavlin |
11 |
/* Byte swapping */ |
537 |
|
|
dev_bswap_init(vm,"mem_bswap",C2691_BSWAP_ADDR,1024*1048576,0x00000000ULL); |
538 |
|
|
|
539 |
dpavlin |
4 |
/* Initialize the NS16552 DUART */ |
540 |
|
|
dev_ns16552_init(vm,C2691_DUART_ADDR,0x1000,3,C2691_DUART_IRQ, |
541 |
|
|
vm->vtty_con,vm->vtty_aux); |
542 |
|
|
|
543 |
|
|
/* PCMCIA Slot 0 */ |
544 |
|
|
dev_pcmcia_disk_init(vm,"slot0",C2691_SLOT0_ADDR,0x200000, |
545 |
|
|
vm->pcmcia_disk_size[0],1); |
546 |
|
|
|
547 |
|
|
/* PCMCIA Slot 1 */ |
548 |
|
|
dev_pcmcia_disk_init(vm,"slot1",C2691_SLOT1_ADDR,0x200000, |
549 |
|
|
vm->pcmcia_disk_size[1],1); |
550 |
|
|
|
551 |
|
|
/* Initialize Network Modules */ |
552 |
dpavlin |
11 |
if (vm_slot_init_all(vm) == -1) |
553 |
|
|
return(-1); |
554 |
dpavlin |
4 |
|
555 |
|
|
/* Show device list */ |
556 |
|
|
c2691_show_hardware(router); |
557 |
|
|
return(0); |
558 |
|
|
} |
559 |
|
|
|
560 |
|
|
/* Boot the IOS image */ |
561 |
dpavlin |
11 |
static int c2691_boot_ios(c2691_t *router) |
562 |
dpavlin |
4 |
{ |
563 |
|
|
vm_instance_t *vm = router->vm; |
564 |
dpavlin |
7 |
cpu_mips_t *cpu; |
565 |
dpavlin |
4 |
|
566 |
|
|
if (!vm->boot_cpu) |
567 |
|
|
return(-1); |
568 |
|
|
|
569 |
|
|
/* Suspend CPU activity since we will restart directly from ROM */ |
570 |
|
|
vm_suspend(vm); |
571 |
|
|
|
572 |
|
|
/* Check that CPU activity is really suspended */ |
573 |
|
|
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
574 |
|
|
vm_error(vm,"unable to sync with system CPUs.\n"); |
575 |
|
|
return(-1); |
576 |
|
|
} |
577 |
|
|
|
578 |
|
|
/* Reset the boot CPU */ |
579 |
dpavlin |
7 |
cpu = CPU_MIPS64(vm->boot_cpu); |
580 |
|
|
mips64_reset(cpu); |
581 |
dpavlin |
4 |
|
582 |
|
|
/* Load IOS image */ |
583 |
dpavlin |
7 |
if (mips64_load_elf_image(cpu,vm->ios_image, |
584 |
dpavlin |
4 |
(vm->ghost_status == VM_GHOST_RAM_USE), |
585 |
|
|
&vm->ios_entry_point) < 0) |
586 |
|
|
{ |
587 |
|
|
vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); |
588 |
|
|
return(-1); |
589 |
|
|
} |
590 |
|
|
|
591 |
|
|
/* Launch the simulation */ |
592 |
|
|
printf("\nC2691 '%s': starting simulation (CPU0 PC=0x%llx), " |
593 |
|
|
"JIT %sabled.\n", |
594 |
dpavlin |
7 |
vm->name,cpu->pc,vm->jit_use ? "en":"dis"); |
595 |
dpavlin |
4 |
|
596 |
|
|
vm_log(vm,"C2691_BOOT", |
597 |
|
|
"starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n", |
598 |
dpavlin |
7 |
cpu->pc,cpu->idle_pc,vm->jit_use ? "on":"off"); |
599 |
dpavlin |
4 |
|
600 |
|
|
/* Start main CPU */ |
601 |
|
|
if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { |
602 |
|
|
vm->status = VM_STATUS_RUNNING; |
603 |
|
|
cpu_start(vm->boot_cpu); |
604 |
|
|
} else { |
605 |
|
|
vm->status = VM_STATUS_SHUTDOWN; |
606 |
|
|
} |
607 |
|
|
return(0); |
608 |
|
|
} |
609 |
|
|
|
610 |
dpavlin |
8 |
/* Set an IRQ */ |
611 |
|
|
static void c2691_set_irq(vm_instance_t *vm,u_int irq) |
612 |
|
|
{ |
613 |
|
|
c2691_t *router = VM_C2691(vm); |
614 |
|
|
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
615 |
|
|
u_int slot,port; |
616 |
|
|
|
617 |
|
|
switch(irq) { |
618 |
|
|
case 0 ... 7: |
619 |
|
|
mips64_set_irq(cpu0,irq); |
620 |
|
|
|
621 |
|
|
if (cpu0->irq_idle_preempt[irq]) |
622 |
|
|
cpu_idle_break_wait(cpu0->gen); |
623 |
|
|
break; |
624 |
|
|
|
625 |
|
|
case C2691_NETIO_IRQ_BASE ... C2691_NETIO_IRQ_END: |
626 |
|
|
c2691_net_irq_get_slot_port(irq,&slot,&port); |
627 |
|
|
dev_c2691_iofpga_net_set_irq(router->iofpga_data,slot,port); |
628 |
|
|
break; |
629 |
|
|
} |
630 |
|
|
} |
631 |
|
|
|
632 |
|
|
/* Clear an IRQ */ |
633 |
|
|
static void c2691_clear_irq(vm_instance_t *vm,u_int irq) |
634 |
|
|
{ |
635 |
|
|
c2691_t *router = VM_C2691(vm); |
636 |
|
|
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
637 |
|
|
u_int slot,port; |
638 |
|
|
|
639 |
|
|
switch(irq) { |
640 |
|
|
case 0 ... 7: |
641 |
|
|
mips64_clear_irq(cpu0,irq); |
642 |
|
|
break; |
643 |
|
|
|
644 |
|
|
case C2691_NETIO_IRQ_BASE ... C2691_NETIO_IRQ_END: |
645 |
|
|
c2691_net_irq_get_slot_port(irq,&slot,&port); |
646 |
|
|
dev_c2691_iofpga_net_clear_irq(router->iofpga_data,slot,port); |
647 |
|
|
break; |
648 |
|
|
} |
649 |
|
|
} |
650 |
|
|
|
651 |
dpavlin |
4 |
/* Initialize a Cisco 2691 instance */ |
652 |
dpavlin |
11 |
static int c2691_init_instance(vm_instance_t *vm) |
653 |
|
|
{ |
654 |
|
|
c2691_t *router = VM_C2691(vm); |
655 |
dpavlin |
4 |
m_uint32_t rom_entry_point; |
656 |
|
|
cpu_mips_t *cpu0; |
657 |
|
|
|
658 |
|
|
if (!vm->ios_image) { |
659 |
|
|
vm_error(vm,"no Cisco IOS image defined."); |
660 |
|
|
return(-1); |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
/* Initialize the C2691 platform */ |
664 |
|
|
if (c2691_init_platform(router) == -1) { |
665 |
|
|
vm_error(vm,"unable to initialize the platform hardware.\n"); |
666 |
|
|
return(-1); |
667 |
|
|
} |
668 |
|
|
|
669 |
dpavlin |
8 |
/* IRQ routing */ |
670 |
|
|
vm->set_irq = c2691_set_irq; |
671 |
|
|
vm->clear_irq = c2691_clear_irq; |
672 |
|
|
|
673 |
dpavlin |
4 |
/* Load IOS configuration file */ |
674 |
|
|
if (vm->ios_config != NULL) { |
675 |
|
|
vm_nvram_push_config(vm,vm->ios_config); |
676 |
|
|
vm->conf_reg &= ~0x40; |
677 |
|
|
} |
678 |
|
|
|
679 |
|
|
/* Load ROM (ELF image or embedded) */ |
680 |
dpavlin |
7 |
cpu0 = CPU_MIPS64(vm->boot_cpu); |
681 |
dpavlin |
4 |
rom_entry_point = (m_uint32_t)MIPS_ROM_PC; |
682 |
|
|
|
683 |
|
|
if ((vm->rom_filename != NULL) && |
684 |
|
|
(mips64_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) |
685 |
|
|
{ |
686 |
|
|
vm_error(vm,"unable to load alternate ROM '%s', " |
687 |
|
|
"fallback to embedded ROM.\n\n",vm->rom_filename); |
688 |
|
|
vm->rom_filename = NULL; |
689 |
|
|
} |
690 |
|
|
|
691 |
|
|
/* Load symbol file */ |
692 |
|
|
if (vm->sym_filename) { |
693 |
|
|
mips64_sym_load_file(cpu0,vm->sym_filename); |
694 |
|
|
cpu0->sym_trace = 1; |
695 |
|
|
} |
696 |
|
|
|
697 |
|
|
return(c2691_boot_ios(router)); |
698 |
|
|
} |
699 |
|
|
|
700 |
|
|
/* Stop a Cisco 2691 instance */ |
701 |
dpavlin |
11 |
static int c2691_stop_instance(vm_instance_t *vm) |
702 |
dpavlin |
4 |
{ |
703 |
|
|
printf("\nC2691 '%s': stopping simulation.\n",vm->name); |
704 |
|
|
vm_log(vm,"C2691_STOP","stopping simulation.\n"); |
705 |
|
|
|
706 |
|
|
/* Stop all CPUs */ |
707 |
|
|
if (vm->cpu_group != NULL) { |
708 |
|
|
vm_stop(vm); |
709 |
|
|
|
710 |
|
|
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
711 |
|
|
vm_error(vm,"unable to sync with system CPUs.\n"); |
712 |
|
|
return(-1); |
713 |
|
|
} |
714 |
|
|
} |
715 |
|
|
|
716 |
|
|
/* Free resources that were used during execution to emulate hardware */ |
717 |
dpavlin |
11 |
vm_slot_shutdown_all(vm); |
718 |
dpavlin |
4 |
vm_hardware_shutdown(vm); |
719 |
|
|
return(0); |
720 |
|
|
} |
721 |
dpavlin |
11 |
|
722 |
|
|
/* Get MAC address MSB */ |
723 |
|
|
static u_int c2691_get_mac_addr_msb(void) |
724 |
|
|
{ |
725 |
|
|
return(0xC0); |
726 |
|
|
} |
727 |
|
|
|
728 |
|
|
/* Parse specific options for the Cisco 1700 platform */ |
729 |
|
|
static int c2691_cli_parse_options(vm_instance_t *vm,int option) |
730 |
|
|
{ |
731 |
|
|
switch(option) { |
732 |
|
|
/* IO memory reserved for NMs (in percents!) */ |
733 |
|
|
case OPT_IOMEM_SIZE: |
734 |
|
|
vm->nm_iomem_size = 0x8000 | atoi(optarg); |
735 |
|
|
break; |
736 |
|
|
|
737 |
|
|
/* Unknown option */ |
738 |
|
|
default: |
739 |
|
|
return(-1); |
740 |
|
|
} |
741 |
|
|
|
742 |
|
|
return(0); |
743 |
|
|
} |
744 |
|
|
|
745 |
|
|
/* Show specific CLI options */ |
746 |
|
|
static void c2691_cli_show_options(vm_instance_t *vm) |
747 |
|
|
{ |
748 |
|
|
printf(" --iomem-size <val> : IO memory (in percents, default: %u)\n" |
749 |
|
|
" -p <nm_desc> : Define a Network Module\n" |
750 |
|
|
" -s <nm_nio> : Bind a Network IO interface to a " |
751 |
|
|
"Network Module\n", |
752 |
|
|
vm->nm_iomem_size); |
753 |
|
|
} |
754 |
|
|
|
755 |
|
|
/* Platform definition */ |
756 |
|
|
static vm_platform_t c2691_platform = { |
757 |
|
|
"c2691", "C2691", "2691", |
758 |
|
|
c2691_create_instance, |
759 |
|
|
c2691_delete_instance, |
760 |
|
|
c2691_init_instance, |
761 |
|
|
c2691_stop_instance, |
762 |
|
|
c2691_nvram_extract_config, |
763 |
|
|
c2691_nvram_push_config, |
764 |
|
|
c2691_get_mac_addr_msb, |
765 |
|
|
NULL, |
766 |
|
|
c2691_cli_parse_options, |
767 |
|
|
c2691_cli_show_options, |
768 |
|
|
NULL, |
769 |
|
|
}; |
770 |
|
|
|
771 |
|
|
/* Register the c2691 platform */ |
772 |
|
|
int c2691_platform_register(void) |
773 |
|
|
{ |
774 |
|
|
if (vm_platform_register(&c2691_platform) == -1) |
775 |
|
|
return(-1); |
776 |
|
|
|
777 |
|
|
return(hypervisor_c2691_init(&c2691_platform)); |
778 |
|
|
} |