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>
24 #include <palacios/vmm_io.h>
27 // We Have to setup some sort of PIC interrupt mapping here....
30 struct vm_device * pci;
34 static int io_read(struct guest_info * core, ushort_t port, void * dst, uint_t length, void * priv_data) {
35 PrintError("Unhandled read on port %x\n", port);
39 static int io_write(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) {
40 PrintError("Unhandled write on port %x\n", port);
48 static int i440_free(struct vm_device * dev) {
49 struct i440_state * state = dev->private_data;
51 // unregister from PCI
58 static struct v3_device_ops dev_ops = {
66 static int i440_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
67 struct pci_device * pci_dev = NULL;
68 struct v3_pci_bar bars[6];
70 struct i440_state * state = NULL;
71 struct vm_device * pci = v3_find_dev(vm, v3_cfg_val(cfg, "bus"));
72 char * dev_id = v3_cfg_val(cfg, "ID");
75 PrintError("could not find PCI Device\n");
79 state = (struct i440_state *)V3_Malloc(sizeof(struct i440_state));
83 struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, state);
85 if (v3_attach_device(vm, dev) == -1) {
86 PrintError("Could not attach device %s\n", dev_id);
91 for (i = 0; i < 4; i++) {
92 v3_dev_hook_io(dev, 0x0cf8 + i, &io_read, &io_write);
93 v3_dev_hook_io(dev, 0x0cfc + i, &io_read, &io_write);
96 for (i = 0; i < 6; i++) {
97 bars[i].type = PCI_BAR_NONE;
100 pci_dev = v3_pci_register_device(state->pci, PCI_STD_DEVICE,
101 0, 0, 0, "i440FX", bars,
102 NULL, NULL, NULL, state);
105 v3_detach_device(dev);
109 pci_dev->config_header.vendor_id = 0x8086;
110 pci_dev->config_header.device_id = 0x1237;
111 pci_dev->config_header.revision = 0x02;
112 pci_dev->config_header.subclass = 0x00; // SubClass: host2pci
113 pci_dev->config_header.class = PCI_CLASS_BRIDGE; // Class: PCI bridge
115 pci_dev->config_space[0x72] = 0x02; // SMRAM (?)
120 device_register("i440FX", i440_init);