1 |
/* |
2 |
* Cisco router simulation platform. |
3 |
* Copyright (c) 2007 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* Generic MSFC1 routines and definitions (EEPROM,...). |
6 |
* |
7 |
* This is not a working platform! I only added it to play, since it is very |
8 |
* similar to an NPE-200. I think that could work with a functional CatOS SP. |
9 |
*/ |
10 |
|
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#include <stdio.h> |
12 |
#include <stdlib.h> |
13 |
#include <string.h> |
14 |
#include <unistd.h> |
15 |
#include <sys/types.h> |
16 |
#include <assert.h> |
17 |
|
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#include "cpu.h" |
19 |
#include "vm.h" |
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#include "dynamips.h" |
21 |
#include "memory.h" |
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#include "device.h" |
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#include "pci_io.h" |
24 |
#include "dev_gt.h" |
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#include "cisco_eeprom.h" |
26 |
#include "dev_rom.h" |
27 |
#include "dev_dec21140.h" |
28 |
#include "dev_i8254x.h" |
29 |
#include "dev_c6msfc1.h" |
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#include "dev_c6msfc1_mpfpga.h" |
31 |
#include "dev_vtty.h" |
32 |
#include "registry.h" |
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#include "net.h" |
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|
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/* MSFC1 EEPROM */ |
36 |
static m_uint16_t eeprom_msfc1_data[128] = { |
37 |
0xabab, 0x0190, 0x1262, 0x0100, 0x0002, 0x6003, 0x00cf, 0x4369, |
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0x7363, 0x6f20, 0x5379, 0x7374, 0x656d, 0x732c, 0x2049, 0x6e63, |
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0x2e00, 0x5753, 0x2d46, 0x3630, 0x3031, 0x2d52, 0x5346, 0x4300, |
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x3733, 0x2d37, 0x3135, |
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0x302d, 0x3036, 0x0000, 0x0000, 0x0000, 0x4130, 0x3100, 0x0000, |
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x0000, 0x0000, 0x012d, 0x0000, 0x0000, 0x0009, 0x0005, 0x0001, |
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0x0003, 0x0001, 0x0001, 0x0002, 0x00cf, 0xffbf, 0x0000, 0x0000, |
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0x6003, 0x0162, 0x0afd, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x0000, 0x0000, 0x0000, 0x0005, 0x00e0, 0xaabb, 0xcc00, 0x0100, |
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0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x1401, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
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0x1000, 0x4b3c, 0x4132, 0x8080, 0x8080, 0x8080, 0x8080, 0x8080, |
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0x8080, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, |
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}; |
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|
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static struct cisco_eeprom msfc1_eeprom = { |
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"msfc1", eeprom_msfc1_data, sizeof(eeprom_msfc1_data)/2, |
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}; |
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|
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/* ====================================================================== */ |
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/* EOBC - Ethernet Out of Band Channel */ |
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/* ====================================================================== */ |
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static int dev_c6msfc1_eobc_init(vm_instance_t *vm,struct cisco_card *card) |
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{ |
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struct dec21140_data *data; |
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|
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/* Create the DEC21140 chip */ |
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data = dev_dec21140_init(vm,card->dev_name,vm->pci_bus[0],6, |
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c6msfc1_net_irq_for_slot_port(0,0)); |
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if (!data) return(-1); |
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|
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/* Store device info into the router structure */ |
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card->drv_info = data; |
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return(0); |
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} |
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|
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/* Remove EOBC */ |
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static int dev_c6msfc1_eobc_shutdown(vm_instance_t *vm,struct cisco_card *card) |
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{ |
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struct dec21140_data *data = card->drv_info; |
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dev_dec21140_remove(data); |
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return(0); |
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} |
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|
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/* Bind a Network IO descriptor */ |
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static int dev_c6msfc1_eobc_set_nio(vm_instance_t *vm,struct cisco_card *card, |
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u_int port_id,netio_desc_t *nio) |
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{ |
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struct dec21140_data *d = card->drv_info; |
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|
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if (!d || (port_id != 0)) |
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return(-1); |
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|
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return(dev_dec21140_set_nio(d,nio)); |
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} |
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|
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/* Unbind a Network IO descriptor */ |
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static int dev_c6msfc1_eobc_unset_nio(vm_instance_t *vm, |
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struct cisco_card *card, |
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u_int port_id) |
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{ |
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struct dec21140_data *d = card->drv_info; |
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|
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if (!d || (port_id != 0)) |
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return(-1); |
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|
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dev_dec21140_unset_nio(d); |
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return(0); |
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} |
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|
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/* EOBC driver */ |
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struct cisco_card_driver dev_c6msfc1_eobc = { |
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"C6MSFC1_EOBC", 0, 0, |
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dev_c6msfc1_eobc_init, |
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dev_c6msfc1_eobc_shutdown, |
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NULL, |
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dev_c6msfc1_eobc_set_nio, |
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dev_c6msfc1_eobc_unset_nio, |
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NULL, |
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}; |
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|
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/* ====================================================================== */ |
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/* IBC - InBand Channel */ |
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/* ====================================================================== */ |
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static int dev_c6msfc1_ibc_init(vm_instance_t *vm,struct cisco_card *card) |
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{ |
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struct i8254x_data *data; |
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|
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/* Create the Intel Wiseman/Livengood chip */ |
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data = dev_i8254x_init(vm,card->dev_name,0,vm->pci_bus_pool[24],1, |
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c6msfc1_net_irq_for_slot_port(1,0)); |
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if (!data) return(-1); |
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|
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/* Store device info into the router structure */ |
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card->drv_info = data; |
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return(0); |
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} |
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|
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/* Remove EOBC */ |
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static int dev_c6msfc1_ibc_shutdown(vm_instance_t *vm,struct cisco_card *card) |
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{ |
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struct i8254x_data *data = card->drv_info; |
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dev_i8254x_remove(data); |
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return(0); |
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} |
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|
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/* Bind a Network IO descriptor */ |
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static int dev_c6msfc1_ibc_set_nio(vm_instance_t *vm,struct cisco_card *card, |
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u_int port_id,netio_desc_t *nio) |
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{ |
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struct i8254x_data *d = card->drv_info; |
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|
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if (!d || (port_id != 0)) |
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return(-1); |
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|
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return(dev_i8254x_set_nio(d,nio)); |
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} |
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|
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/* Unbind a Network IO descriptor */ |
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static int dev_c6msfc1_ibc_unset_nio(vm_instance_t *vm, |
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struct cisco_card *card, |
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u_int port_id) |
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{ |
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struct i8254x_data *d = card->drv_info; |
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|
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if (!d || (port_id != 0)) |
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return(-1); |
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|
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dev_i8254x_unset_nio(d); |
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return(0); |
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} |
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|
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/* IBC driver */ |
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struct cisco_card_driver dev_c6msfc1_ibc = { |
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"C6MSFC1_IBC", 0, 0, |
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dev_c6msfc1_ibc_init, |
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dev_c6msfc1_ibc_shutdown, |
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NULL, |
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dev_c6msfc1_ibc_set_nio, |
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dev_c6msfc1_ibc_unset_nio, |
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NULL, |
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}; |
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|
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/* ======================================================================== */ |
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/* Port Adapter Drivers */ |
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/* ======================================================================== */ |
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static struct cisco_card_driver *pa_drivers[] = { |
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&dev_c6msfc1_eobc, |
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&dev_c6msfc1_ibc, |
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NULL, |
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}; |
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|
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/* ======================================================================== */ |
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/* C6MSFC1 router instances */ |
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/* ======================================================================== */ |
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|
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/* Initialize default parameters for a MSFC1 */ |
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static void c6msfc1_init_defaults(c6msfc1_t *router); |
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|
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/* Directly extract the configuration from the NVRAM device */ |
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static ssize_t c6msfc1_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,end,nvlen,clen; |
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m_uint16_t magic1,magic2; |
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struct vdevice *nvram_dev; |
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m_uint64_t nvram_addr; |
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off_t nvram_size; |
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int fd; |
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|
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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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|
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fd = vm_mmap_open_file(vm,"nvram",&base_ptr,&nvram_size); |
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|
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if (fd == -1) |
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return(-1); |
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|
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nvram_addr = C6MSFC1_NVRAM_ADDR; |
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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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|
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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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|
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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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|
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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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|
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start = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10)) + 1; |
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end = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x14)); |
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nvlen = ntohl(*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18)); |
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clen = end - start; |
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|
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if ((clen + 1) != nvlen) { |
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vm_error(vm,"invalid configuration size (0x%x)\n",nvlen); |
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return(-1); |
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} |
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|
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if (!(*buffer = malloc(clen+1))) { |
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vm_error(vm,"unable to allocate config buffer (%u bytes)\n",clen); |
248 |
return(-1); |
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} |
250 |
|
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cfg_ptr = base_ptr + (start - nvram_addr); |
252 |
|
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if ((start < nvram_addr) || ((cfg_ptr + clen) > end_ptr)) { |
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vm_error(vm,"NVRAM file too small\n"); |
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return(-1); |
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} |
257 |
|
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memcpy(*buffer,cfg_ptr,clen); |
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(*buffer)[clen] = 0; |
260 |
return(clen); |
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} |
262 |
|
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/* Directly push the IOS configuration to the NVRAM device */ |
264 |
static int c6msfc1_nvram_push_config(vm_instance_t *vm, |
265 |
u_char *buffer,size_t len) |
266 |
{ |
267 |
u_char *base_ptr,*ios_ptr,*cfg_ptr; |
268 |
m_uint32_t cfg_addr,cfg_offset; |
269 |
m_uint32_t nvram_addr,cklen; |
270 |
m_uint16_t cksum; |
271 |
int fd; |
272 |
|
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fd = vm_mmap_create_file(vm,"nvram",vm->nvram_size*1024,&base_ptr); |
274 |
|
275 |
if (fd == -1) |
276 |
return(-1); |
277 |
|
278 |
cfg_offset = 0x2c; |
279 |
ios_ptr = base_ptr + vm->nvram_rom_space; |
280 |
cfg_ptr = ios_ptr + cfg_offset; |
281 |
|
282 |
nvram_addr = C6MSFC1_NVRAM_ADDR; |
283 |
cfg_addr = nvram_addr + vm->nvram_rom_space + cfg_offset; |
284 |
|
285 |
/* Write IOS tag, uncompressed config... */ |
286 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x06) = htons(0xF0A5); |
287 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x08) = htons(0xABCD); |
288 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0a) = htons(0x0001); |
289 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(0x0000); |
290 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0e) = htons(0x0000); |
291 |
|
292 |
/* Store file contents to NVRAM */ |
293 |
memcpy(cfg_ptr,buffer,len); |
294 |
|
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/* Write config addresses + size */ |
296 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x10) = htonl(cfg_addr); |
297 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x14) = htonl(cfg_addr + len); |
298 |
*PTR_ADJUST(m_uint32_t *,ios_ptr,0x18) = htonl(len); |
299 |
|
300 |
/* Compute the checksum */ |
301 |
cklen = (vm->nvram_size*1024) - (vm->nvram_rom_space + 0x08); |
302 |
cksum = nvram_cksum((m_uint16_t *)(ios_ptr+0x08),cklen); |
303 |
*PTR_ADJUST(m_uint16_t *,ios_ptr,0x0c) = htons(cksum); |
304 |
|
305 |
vm_mmap_close_file(fd,base_ptr,vm->nvram_size*1024); |
306 |
return(0); |
307 |
} |
308 |
|
309 |
/* Get slot/port corresponding to specified network IRQ */ |
310 |
static inline void |
311 |
c6msfc1_net_irq_get_slot_port(u_int irq,u_int *slot,u_int *port) |
312 |
{ |
313 |
*slot = irq - C6MSFC1_NETIO_IRQ_BASE; |
314 |
*port = 0; |
315 |
} |
316 |
|
317 |
/* Get network IRQ for specified slot/port */ |
318 |
u_int c6msfc1_net_irq_for_slot_port(u_int slot,u_int port) |
319 |
{ |
320 |
u_int irq; |
321 |
|
322 |
irq = C6MSFC1_NETIO_IRQ_BASE + slot; |
323 |
return(irq); |
324 |
} |
325 |
|
326 |
/* Set MSFC eeprom definition */ |
327 |
static int c6msfc1_set_eeprom(c6msfc1_t *router) |
328 |
{ |
329 |
if (cisco_eeprom_copy(&router->cpu_eeprom,&msfc1_eeprom) == -1) { |
330 |
vm_error(router->vm,"unable to set NPE EEPROM.\n"); |
331 |
return(-1); |
332 |
} |
333 |
|
334 |
return(0); |
335 |
} |
336 |
|
337 |
/* Set the base MAC address of the chassis */ |
338 |
static int c6msfc1_burn_mac_addr(c6msfc1_t *router,n_eth_addr_t *addr) |
339 |
{ |
340 |
m_uint8_t eeprom_ver; |
341 |
|
342 |
/* Read EEPROM format version */ |
343 |
cisco_eeprom_get_byte(&router->mp_eeprom,0,&eeprom_ver); |
344 |
|
345 |
if (eeprom_ver != 1) { |
346 |
vm_error(router->vm,"c6msfc1_burn_mac_addr: unable to handle " |
347 |
"EEPROM version %u\n",eeprom_ver); |
348 |
return(-1); |
349 |
} |
350 |
|
351 |
cisco_eeprom_set_region(&router->mp_eeprom,12,addr->eth_addr_byte,6); |
352 |
return(0); |
353 |
} |
354 |
|
355 |
/* Create a new router instance */ |
356 |
static int c6msfc1_create_instance(vm_instance_t *vm) |
357 |
{ |
358 |
c6msfc1_t *router; |
359 |
|
360 |
if (!(router = malloc(sizeof(*router)))) { |
361 |
fprintf(stderr,"C6MFC1 '%s': Unable to create new instance!\n",vm->name); |
362 |
return(-1); |
363 |
} |
364 |
|
365 |
memset(router,0,sizeof(*router)); |
366 |
router->vm = vm; |
367 |
vm->hw_data = router; |
368 |
vm->elf_machine_id = C6MSFC1_ELF_MACHINE_ID; |
369 |
|
370 |
c6msfc1_init_defaults(router); |
371 |
return(0); |
372 |
} |
373 |
|
374 |
/* Free resources used by a router instance */ |
375 |
static int c6msfc1_delete_instance(vm_instance_t *vm) |
376 |
{ |
377 |
c6msfc1_t *router = VM_C6MSFC1(vm); |
378 |
int i; |
379 |
|
380 |
/* Stop all CPUs */ |
381 |
if (vm->cpu_group != NULL) { |
382 |
vm_stop(vm); |
383 |
|
384 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
385 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
386 |
return(FALSE); |
387 |
} |
388 |
} |
389 |
|
390 |
/* Remove NIO bindings */ |
391 |
for(i=0;i<C6MSFC1_MAX_PA_BAYS;i++) |
392 |
vm_slot_remove_all_nio_bindings(vm,i); |
393 |
|
394 |
/* Shutdown all Network Modules */ |
395 |
vm_slot_shutdown_all(vm); |
396 |
|
397 |
/* Free EEPROMs */ |
398 |
cisco_eeprom_free(&router->cpu_eeprom); |
399 |
cisco_eeprom_free(&router->mp_eeprom); |
400 |
cisco_eeprom_free(&router->pem_eeprom); |
401 |
|
402 |
/* Free all resources used by VM */ |
403 |
vm_free(vm); |
404 |
|
405 |
/* Free the router structure */ |
406 |
free(router); |
407 |
return(TRUE); |
408 |
} |
409 |
|
410 |
/* Create the main PCI bus for a GT64010 based system */ |
411 |
static int c6msfc1_init_gt64010(c6msfc1_t *router) |
412 |
{ |
413 |
vm_instance_t *vm = router->vm; |
414 |
|
415 |
if (!(vm->pci_bus[0] = pci_bus_create("PCI Bus 0",0))) { |
416 |
vm_error(vm,"unable to create PCI data.\n"); |
417 |
return(-1); |
418 |
} |
419 |
|
420 |
return(dev_gt64010_init(vm,"gt64010",C6MSFC1_GT64K_ADDR,0x1000, |
421 |
C6MSFC1_GT64K_IRQ)); |
422 |
} |
423 |
|
424 |
/* Initialize a MSFC1 board */ |
425 |
static int c6msfc1_init_hw(c6msfc1_t *router) |
426 |
{ |
427 |
vm_instance_t *vm = router->vm; |
428 |
|
429 |
/* Set the processor type: R5000 */ |
430 |
mips64_set_prid(CPU_MIPS64(vm->boot_cpu),MIPS_PRID_R5000); |
431 |
|
432 |
/* Initialize the Galileo GT-64010 PCI controller */ |
433 |
if (c6msfc1_init_gt64010(router) == -1) |
434 |
return(-1); |
435 |
|
436 |
/* Create PCI bus 1 */ |
437 |
vm->pci_bus_pool[24] = pci_bus_create("PCI Bus 1",-1); |
438 |
dev_dec21154_init(vm->pci_bus[0],1,vm->pci_bus_pool[24]); |
439 |
|
440 |
/* Initialize SRAM (4Mb) */ |
441 |
dev_c7200_sram_init(vm,"sram",C6MSFC1_SRAM_ADDR,C6MSFC1_SRAM_SIZE, |
442 |
vm->pci_bus_pool[24],0); |
443 |
|
444 |
/* PCI IO space */ |
445 |
if (!(vm->pci_io_space = pci_io_data_init(vm,C6MSFC1_PCI_IO_ADDR))) |
446 |
return(-1); |
447 |
|
448 |
/* Cirrus Logic PD6729 (PCI-to-PCMCIA host adapter) */ |
449 |
dev_clpd6729_init(vm,vm->pci_bus[0],5,vm->pci_io_space,0x402,0x403); |
450 |
|
451 |
return(0); |
452 |
} |
453 |
|
454 |
/* Show MSFC1 hardware info */ |
455 |
void c6msfc1_show_hardware(c6msfc1_t *router) |
456 |
{ |
457 |
vm_instance_t *vm = router->vm; |
458 |
|
459 |
printf("C6MSFC1 instance '%s' (id %d):\n",vm->name,vm->instance_id); |
460 |
|
461 |
printf(" VM Status : %d\n",vm->status); |
462 |
printf(" RAM size : %u Mb\n",vm->ram_size); |
463 |
printf(" IOMEM size : %u Mb\n",vm->iomem_size); |
464 |
printf(" NVRAM size : %u Kb\n",vm->nvram_size); |
465 |
printf(" IOS image : %s\n\n",vm->ios_image); |
466 |
|
467 |
if (vm->debug_level > 0) { |
468 |
dev_show_list(vm); |
469 |
pci_dev_show_list(vm->pci_bus[0]); |
470 |
pci_dev_show_list(vm->pci_bus[1]); |
471 |
printf("\n"); |
472 |
} |
473 |
} |
474 |
|
475 |
/* Initialize default parameters for a MSFC1 */ |
476 |
static void c6msfc1_init_defaults(c6msfc1_t *router) |
477 |
{ |
478 |
vm_instance_t *vm = router->vm; |
479 |
n_eth_addr_t *m; |
480 |
m_uint16_t pid; |
481 |
|
482 |
/* Set platform slots characteristics */ |
483 |
vm->nr_slots = C6MSFC1_MAX_PA_BAYS; |
484 |
vm->slots_type = CISCO_CARD_TYPE_PA; |
485 |
vm->slots_drivers = pa_drivers; |
486 |
|
487 |
pid = (m_uint16_t)getpid(); |
488 |
|
489 |
/* Generate a chassis MAC address based on the instance ID */ |
490 |
m = &router->mac_addr; |
491 |
m->eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
492 |
m->eth_addr_byte[1] = vm->instance_id & 0xFF; |
493 |
m->eth_addr_byte[2] = pid >> 8; |
494 |
m->eth_addr_byte[3] = pid & 0xFF; |
495 |
m->eth_addr_byte[4] = 0x00; |
496 |
m->eth_addr_byte[5] = 0x00; |
497 |
|
498 |
/* Default slot: 1 */ |
499 |
router->msfc_slot = 1; |
500 |
|
501 |
c6msfc1_set_eeprom(router); |
502 |
c6msfc1_init_eeprom_groups(router); |
503 |
|
504 |
/* Create EOBC and IBC interfaces */ |
505 |
vm_slot_add_binding(vm,"C6MSFC1_EOBC",0,0); |
506 |
vm_slot_add_binding(vm,"C6MSFC1_IBC",1,0); |
507 |
|
508 |
vm->ram_mmap = C6MSFC1_DEFAULT_RAM_MMAP; |
509 |
vm->ram_size = C6MSFC1_DEFAULT_RAM_SIZE; |
510 |
vm->rom_size = C6MSFC1_DEFAULT_ROM_SIZE; |
511 |
vm->nvram_size = C6MSFC1_DEFAULT_NVRAM_SIZE; |
512 |
vm->iomem_size = 0; |
513 |
vm->conf_reg_setup = C6MSFC1_DEFAULT_CONF_REG; |
514 |
vm->clock_divisor = C6MSFC1_DEFAULT_CLOCK_DIV; |
515 |
vm->nvram_rom_space = C6MSFC1_NVRAM_ROM_RES_SIZE; |
516 |
} |
517 |
|
518 |
/* Run the checklist */ |
519 |
static int c6msfc1_checklist(c6msfc1_t *router) |
520 |
{ |
521 |
struct vm_instance *vm = router->vm; |
522 |
int res = 0; |
523 |
|
524 |
res += vm_object_check(vm,"ram"); |
525 |
res += vm_object_check(vm,"rom"); |
526 |
res += vm_object_check(vm,"nvram"); |
527 |
res += vm_object_check(vm,"zero"); |
528 |
|
529 |
if (res < 0) |
530 |
vm_error(vm,"incomplete initialization (no memory?)\n"); |
531 |
|
532 |
return(res); |
533 |
} |
534 |
|
535 |
/* Initialize Port Adapters */ |
536 |
static int c6msfc1_init_platform_pa(c6msfc1_t *router) |
537 |
{ |
538 |
return(vm_slot_init_all(router->vm)); |
539 |
} |
540 |
|
541 |
/* Initialize the MSFC1 Platform */ |
542 |
static int c6msfc1_init_platform(c6msfc1_t *router) |
543 |
{ |
544 |
struct vm_instance *vm = router->vm; |
545 |
cpu_mips_t *cpu0; |
546 |
cpu_gen_t *gen0; |
547 |
vm_obj_t *obj; |
548 |
|
549 |
/* Copy config register setup into "active" config register */ |
550 |
vm->conf_reg = vm->conf_reg_setup; |
551 |
|
552 |
/* Create Console and AUX ports */ |
553 |
vm_init_vtty(vm); |
554 |
|
555 |
/* Create a CPU group */ |
556 |
vm->cpu_group = cpu_group_create("System CPU"); |
557 |
|
558 |
/* Initialize the virtual MIPS processor */ |
559 |
if (!(gen0 = cpu_create(vm,CPU_TYPE_MIPS64,0))) { |
560 |
vm_error(vm,"unable to create CPU0!\n"); |
561 |
return(-1); |
562 |
} |
563 |
|
564 |
cpu0 = CPU_MIPS64(gen0); |
565 |
|
566 |
/* Add this CPU to the system CPU group */ |
567 |
cpu_group_add(vm->cpu_group,gen0); |
568 |
vm->boot_cpu = gen0; |
569 |
|
570 |
/* Initialize the IRQ routing vectors */ |
571 |
vm->set_irq = mips64_vm_set_irq; |
572 |
vm->clear_irq = mips64_vm_clear_irq; |
573 |
|
574 |
/* Mark the Network IO interrupt as high priority */ |
575 |
cpu0->irq_idle_preempt[C6MSFC1_NETIO_IRQ] = TRUE; |
576 |
cpu0->irq_idle_preempt[C6MSFC1_GT64K_IRQ] = TRUE; |
577 |
|
578 |
/* Copy some parameters from VM to CPU0 (idle PC, ...) */ |
579 |
cpu0->idle_pc = vm->idle_pc; |
580 |
|
581 |
if (vm->timer_irq_check_itv) |
582 |
cpu0->timer_irq_check_itv = vm->timer_irq_check_itv; |
583 |
|
584 |
/* |
585 |
* On the MSFC1, bit 33 of physical addresses is used to bypass L2 cache. |
586 |
* We clear it systematically. |
587 |
*/ |
588 |
cpu0->addr_bus_mask = C6MSFC1_ADDR_BUS_MASK; |
589 |
|
590 |
/* Remote emulator control */ |
591 |
dev_remote_control_init(vm,0x16000000,0x1000); |
592 |
|
593 |
/* Bootflash (8 Mb) */ |
594 |
dev_bootflash_init(vm,"bootflash","c7200-bootflash-8mb", |
595 |
C6MSFC1_BOOTFLASH_ADDR); |
596 |
|
597 |
/* NVRAM and calendar */ |
598 |
dev_nvram_init(vm,"nvram",C6MSFC1_NVRAM_ADDR, |
599 |
vm->nvram_size*1024,&vm->conf_reg); |
600 |
|
601 |
/* Bit-bucket zone */ |
602 |
dev_zero_init(vm,"zero",C6MSFC1_BITBUCKET_ADDR,0xc00000); |
603 |
|
604 |
/* Initialize the NPE board */ |
605 |
if (c6msfc1_init_hw(router) == -1) |
606 |
return(-1); |
607 |
|
608 |
/* Initialize RAM */ |
609 |
vm_ram_init(vm,0x00000000ULL); |
610 |
|
611 |
/* Initialize ROM */ |
612 |
if (!vm->rom_filename) { |
613 |
/* use embedded ROM */ |
614 |
dev_rom_init(vm,"rom",C6MSFC1_ROM_ADDR,vm->rom_size*1048576, |
615 |
mips64_microcode,mips64_microcode_len); |
616 |
} else { |
617 |
/* use alternate ROM */ |
618 |
dev_ram_init(vm,"rom",TRUE,TRUE,NULL,FALSE, |
619 |
C6MSFC1_ROM_ADDR,vm->rom_size*1048576); |
620 |
} |
621 |
|
622 |
/* Byte swapping */ |
623 |
dev_bswap_init(vm,"mem_bswap",C6MSFC1_BSWAP_ADDR,1024*1048576,0x00000000ULL); |
624 |
|
625 |
/* PCI IO space */ |
626 |
if (!(vm->pci_io_space = pci_io_data_init(vm,C6MSFC1_PCI_IO_ADDR))) |
627 |
return(-1); |
628 |
|
629 |
/* Initialize the Port Adapters */ |
630 |
if (c6msfc1_init_platform_pa(router) == -1) |
631 |
return(-1); |
632 |
|
633 |
/* Verify the check list */ |
634 |
if (c6msfc1_checklist(router) == -1) |
635 |
return(-1); |
636 |
|
637 |
/* Midplane FPGA */ |
638 |
if (dev_c6msfc1_mpfpga_init(router,C6MSFC1_MPFPGA_ADDR,0x1000) == -1) |
639 |
return(-1); |
640 |
|
641 |
if (!(obj = vm_object_find(router->vm,"mp_fpga"))) |
642 |
return(-1); |
643 |
|
644 |
router->mpfpga_data = obj->data; |
645 |
|
646 |
/* IO FPGA */ |
647 |
if (dev_c6msfc1_iofpga_init(router,C6MSFC1_IOFPGA_ADDR,0x1000) == -1) |
648 |
return(-1); |
649 |
|
650 |
/* Show device list */ |
651 |
c6msfc1_show_hardware(router); |
652 |
return(0); |
653 |
} |
654 |
|
655 |
/* Boot the IOS image */ |
656 |
static int c6msfc1_boot_ios(c6msfc1_t *router) |
657 |
{ |
658 |
vm_instance_t *vm = router->vm; |
659 |
cpu_mips_t *cpu; |
660 |
|
661 |
if (!vm->boot_cpu) |
662 |
return(-1); |
663 |
|
664 |
/* Suspend CPU activity since we will restart directly from ROM */ |
665 |
vm_suspend(vm); |
666 |
|
667 |
/* Check that CPU activity is really suspended */ |
668 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
669 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
670 |
return(-1); |
671 |
} |
672 |
|
673 |
/* Reset the boot CPU */ |
674 |
cpu = CPU_MIPS64(vm->boot_cpu); |
675 |
mips64_reset(cpu); |
676 |
|
677 |
/* Load IOS image */ |
678 |
if (mips64_load_elf_image(cpu,vm->ios_image, |
679 |
(vm->ghost_status == VM_GHOST_RAM_USE), |
680 |
&vm->ios_entry_point) < 0) |
681 |
{ |
682 |
vm_error(vm,"failed to load Cisco IOS image '%s'.\n",vm->ios_image); |
683 |
return(-1); |
684 |
} |
685 |
|
686 |
/* Launch the simulation */ |
687 |
printf("\nC6MSFC1 '%s': starting simulation (CPU0 PC=0x%llx), " |
688 |
"JIT %sabled.\n", |
689 |
vm->name,cpu->pc,vm->jit_use ? "en":"dis"); |
690 |
|
691 |
vm_log(vm,"C6MSFC1_BOOT", |
692 |
"starting instance (CPU0 PC=0x%llx,idle_pc=0x%llx,JIT %s)\n", |
693 |
cpu->pc,cpu->idle_pc,vm->jit_use ? "on":"off"); |
694 |
|
695 |
/* Start main CPU */ |
696 |
if (vm->ghost_status != VM_GHOST_RAM_GENERATE) { |
697 |
vm->status = VM_STATUS_RUNNING; |
698 |
cpu_start(vm->boot_cpu); |
699 |
} else { |
700 |
vm->status = VM_STATUS_SHUTDOWN; |
701 |
} |
702 |
return(0); |
703 |
} |
704 |
|
705 |
/* Set an IRQ */ |
706 |
static void c6msfc1_set_irq(vm_instance_t *vm,u_int irq) |
707 |
{ |
708 |
c6msfc1_t *router = VM_C6MSFC1(vm); |
709 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
710 |
u_int slot,port; |
711 |
|
712 |
switch(irq) { |
713 |
case 0 ... 7: |
714 |
mips64_set_irq(cpu0,irq); |
715 |
|
716 |
if (cpu0->irq_idle_preempt[irq]) |
717 |
cpu_idle_break_wait(cpu0->gen); |
718 |
break; |
719 |
|
720 |
case C6MSFC1_NETIO_IRQ_BASE ... C6MSFC1_NETIO_IRQ_END: |
721 |
c6msfc1_net_irq_get_slot_port(irq,&slot,&port); |
722 |
dev_c6msfc1_mpfpga_net_set_irq(router->mpfpga_data,slot,port); |
723 |
break; |
724 |
} |
725 |
} |
726 |
|
727 |
/* Clear an IRQ */ |
728 |
static void c6msfc1_clear_irq(vm_instance_t *vm,u_int irq) |
729 |
{ |
730 |
c6msfc1_t *router = VM_C6MSFC1(vm); |
731 |
cpu_mips_t *cpu0 = CPU_MIPS64(vm->boot_cpu); |
732 |
u_int slot,port; |
733 |
|
734 |
switch(irq) { |
735 |
case 0 ... 7: |
736 |
mips64_clear_irq(cpu0,irq); |
737 |
break; |
738 |
|
739 |
case C6MSFC1_NETIO_IRQ_BASE ... C6MSFC1_NETIO_IRQ_END: |
740 |
c6msfc1_net_irq_get_slot_port(irq,&slot,&port); |
741 |
dev_c6msfc1_mpfpga_net_clear_irq(router->mpfpga_data,slot,port); |
742 |
break; |
743 |
} |
744 |
} |
745 |
|
746 |
/* Initialize a MSFC1 instance */ |
747 |
static int c6msfc1_init_instance(vm_instance_t *vm) |
748 |
{ |
749 |
c6msfc1_t *router = VM_C6MSFC1(vm); |
750 |
m_uint32_t rom_entry_point; |
751 |
cpu_mips_t *cpu0; |
752 |
|
753 |
/* Initialize the MSFC1 platform */ |
754 |
if (c6msfc1_init_platform(router) == -1) { |
755 |
vm_error(vm,"unable to initialize the platform hardware.\n"); |
756 |
return(-1); |
757 |
} |
758 |
|
759 |
/* IRQ routing */ |
760 |
vm->set_irq = c6msfc1_set_irq; |
761 |
vm->clear_irq = c6msfc1_clear_irq; |
762 |
|
763 |
/* Load IOS configuration file */ |
764 |
if (vm->ios_config != NULL) { |
765 |
vm_nvram_push_config(vm,vm->ios_config); |
766 |
vm->conf_reg &= ~0x40; |
767 |
} |
768 |
|
769 |
/* Load ROM (ELF image or embedded) */ |
770 |
cpu0 = CPU_MIPS64(vm->boot_cpu); |
771 |
rom_entry_point = (m_uint32_t)MIPS_ROM_PC; |
772 |
|
773 |
if ((vm->rom_filename != NULL) && |
774 |
(mips64_load_elf_image(cpu0,vm->rom_filename,0,&rom_entry_point) < 0)) |
775 |
{ |
776 |
vm_error(vm,"unable to load alternate ROM '%s', " |
777 |
"fallback to embedded ROM.\n\n",vm->rom_filename); |
778 |
vm->rom_filename = NULL; |
779 |
} |
780 |
|
781 |
/* Load symbol file */ |
782 |
if (vm->sym_filename) { |
783 |
mips64_sym_load_file(cpu0,vm->sym_filename); |
784 |
cpu0->sym_trace = 1; |
785 |
} |
786 |
|
787 |
return(c6msfc1_boot_ios(router)); |
788 |
} |
789 |
|
790 |
/* Stop a MSFC1 instance */ |
791 |
static int c6msfc1_stop_instance(vm_instance_t *vm) |
792 |
{ |
793 |
printf("\nC6MSFC1 '%s': stopping simulation.\n",vm->name); |
794 |
vm_log(vm,"C6MSFC1_STOP","stopping simulation.\n"); |
795 |
|
796 |
/* Stop all CPUs */ |
797 |
if (vm->cpu_group != NULL) { |
798 |
vm_stop(vm); |
799 |
|
800 |
if (cpu_group_sync_state(vm->cpu_group) == -1) { |
801 |
vm_error(vm,"unable to sync with system CPUs.\n"); |
802 |
return(-1); |
803 |
} |
804 |
} |
805 |
|
806 |
/* Free resources that were used during execution to emulate hardware */ |
807 |
vm_slot_shutdown_all(vm); |
808 |
vm_hardware_shutdown(vm); |
809 |
return(0); |
810 |
} |
811 |
|
812 |
/* Get MAC address MSB */ |
813 |
static u_int c6msfc1_get_mac_addr_msb(void) |
814 |
{ |
815 |
return(0xC6); |
816 |
} |
817 |
|
818 |
/* Show specific CLI options */ |
819 |
static void c6msfc1_cli_show_options(vm_instance_t *vm) |
820 |
{ |
821 |
printf(" -s <pa_nio> : Bind a Network IO interface to a " |
822 |
"Port Adapter\n"); |
823 |
} |
824 |
|
825 |
/* Platform definition */ |
826 |
static vm_platform_t c6msfc1_platform = { |
827 |
"c6msfc1", "C6MSFC1", "C6MSFC1", |
828 |
c6msfc1_create_instance, |
829 |
c6msfc1_delete_instance, |
830 |
c6msfc1_init_instance, |
831 |
c6msfc1_stop_instance, |
832 |
c6msfc1_nvram_extract_config, |
833 |
c6msfc1_nvram_push_config, |
834 |
c6msfc1_get_mac_addr_msb, |
835 |
NULL, |
836 |
NULL, |
837 |
c6msfc1_cli_show_options, |
838 |
NULL, |
839 |
}; |
840 |
|
841 |
/* Register the C6-MSFC1 platform */ |
842 |
int c6msfc1_platform_register(void) |
843 |
{ |
844 |
return(vm_platform_register(&c6msfc1_platform)); |
845 |
} |