2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #include <palacios/vmm.h>
21 #include <palacios/vmm_dev_mgr.h>
22 #include <devices/pci.h>
25 // We Have to setup some sort of PIC interrupt mapping here....
28 struct vm_device * pci;
32 static int io_read(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
33 PrintError("Unhandled read on port %x\n", port);
37 static int io_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
38 PrintError("Unhandled write on port %x\n", port);
46 static int i440_free(struct vm_device * dev) {
50 static struct v3_device_ops dev_ops = {
60 static int i440_init(struct guest_info * vm, v3_cfg_tree_t * cfg) {
61 struct pci_device * pci_dev = NULL;
62 struct v3_pci_bar bars[6];
64 struct i440_state * state = NULL;
65 struct vm_device * pci = v3_find_dev(vm, v3_cfg_val(cfg, "bus"));
66 char * name = v3_cfg_val(cfg, "name");
69 PrintError("could not find PCI Device\n");
73 state = (struct i440_state *)V3_Malloc(sizeof(struct i440_state));
77 struct vm_device * dev = v3_allocate_device(name, &dev_ops, state);
79 if (v3_attach_device(vm, dev) == -1) {
80 PrintError("Could not attach device %s\n", name);
85 for (i = 0; i < 4; i++) {
86 v3_dev_hook_io(dev, 0x0cf8 + i,
88 v3_dev_hook_io(dev, 0x0cfc + i,
92 for (i = 0; i < 6; i++) {
93 bars[i].type = PCI_BAR_NONE;
96 pci_dev = v3_pci_register_device(state->pci, PCI_STD_DEVICE,
97 0, 0, 0, "i440FX", bars,
98 NULL, NULL, NULL, dev);
104 pci_dev->config_header.vendor_id = 0x8086;
105 pci_dev->config_header.device_id = 0x1237;
106 pci_dev->config_header.revision = 0x02;
107 pci_dev->config_header.subclass = 0x00; // SubClass: host2pci
108 pci_dev->config_header.class = PCI_CLASS_BRIDGE; // Class: PCI bridge
110 pci_dev->config_space[0x72] = 0x02; // SMRAM (?)
115 device_register("i440FX", i440_init)