X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fi440fx.c;h=510d08ac04dc0d388df2886c4a327405d00c56d2;hb=2282a040e60b24d3fb7c48bb197c5bff6636df67;hp=9d712df7230c2236774b4ebf61f4f08d5b5eae31;hpb=1f3ac121a2cb2eff7c71c84a799096c2cd744d1b;p=palacios.git diff --git a/palacios/src/devices/i440fx.c b/palacios/src/devices/i440fx.c index 9d712df..510d08a 100644 --- a/palacios/src/devices/i440fx.c +++ b/palacios/src/devices/i440fx.c @@ -18,71 +18,115 @@ */ #include -#include +#include +#include +#include + +#include + + +// We Have to setup some sort of PIC interrupt mapping here.... struct i440_state { - int foo; + struct vm_device * pci; }; -static int io_read(ushort_t port, void * dst, uint_t length, struct vm_device * dev) { - PrintError("Unhandled read on port %x\n", port); +static int io_read(struct guest_info * core, ushort_t port, void * dst, uint_t length, void * priv_data) { + PrintError(core->vm_info, core, "Unhandled read on port %x\n", port); return -1; } -static int io_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - PrintError("Unhandled write on port %x\n", port); +static int io_write(struct guest_info * core, ushort_t port, void * src, uint_t length, void * priv_data) { + PrintError(core->vm_info, core, "Unhandled write on port %x\n", port); return -1; } -static int i440_init(struct vm_device * dev) { - // struct i440_state * state = (struct i440_state *)(dev->private_data); - - - v3_dev_hook_io(dev, 0x00b2, - &io_read, &io_write); - v3_dev_hook_io(dev, 0x00b3, - &io_read, &io_write); - v3_dev_hook_io(dev, 0x0cf8, - &io_read, &io_write); +static int i440_free(struct i440_state * state) { + // unregister from PCI - v3_dev_hook_io(dev, 0x0cf9, - &io_read, &io_write); - - + V3_Free(state); return 0; } +static struct v3_device_ops dev_ops = { + .free = (int (*)(void *))i440_free, -static int i440_deinit(struct vm_device * dev) { - return 0; -} - -static struct vm_device_ops dev_ops = { - .init = i440_init, - .deinit = i440_deinit, - .reset = NULL, - .start = NULL, - .stop = NULL, }; -struct vm_device * v3_create_i440fx(struct vm_device * pci) { +static int i440_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { + struct pci_device * pci_dev = NULL; + struct v3_pci_bar bars[6]; + int i; struct i440_state * state = NULL; + struct vm_device * pci = v3_find_dev(vm, v3_cfg_val(cfg, "bus")); + char * dev_id = v3_cfg_val(cfg, "ID"); + int ret = 0; + if (!pci) { + PrintError(vm, VCORE_NONE, "could not find PCI Device\n"); + return -1; + } state = (struct i440_state *)V3_Malloc(sizeof(struct i440_state)); - - struct vm_device * i440_dev = v3_create_device("i440FX", &dev_ops, state); - return i440_dev; + if (!state) { + PrintError(vm, VCORE_NONE, "Cannot allocate state\n"); + return -1; + } + state->pci = pci; + + struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, state); + + if (dev == NULL) { + PrintError(vm, VCORE_NONE, "Could not attach device %s\n", dev_id); + V3_Free(state); + return -1; + } + + for (i = 0; i < 4; i++) { + ret |= v3_dev_hook_io(dev, 0x0cf8 + i, &io_read, &io_write); + ret |= v3_dev_hook_io(dev, 0x0cfc + i, &io_read, &io_write); + } + + if (ret != 0) { + PrintError(vm, VCORE_NONE, "Error hooking i440FX io ports\n"); + //v3_remove_device(dev); + //return -1; + } + + for (i = 0; i < 6; i++) { + bars[i].type = PCI_BAR_NONE; + } + + pci_dev = v3_pci_register_device(state->pci, PCI_STD_DEVICE, + 0, 0, 0, "i440FX", bars, + NULL, NULL, NULL, NULL, state); + + if (!pci_dev) { + v3_remove_device(dev); + return -1; + } + + pci_dev->config_header.vendor_id = 0x8086; + pci_dev->config_header.device_id = 0x1237; + pci_dev->config_header.revision = 0x02; + pci_dev->config_header.subclass = 0x00; // SubClass: host2pci + pci_dev->config_header.class = PCI_CLASS_BRIDGE; // Class: PCI bridge + + pci_dev->config_space[0x72] = 0x02; // SMRAM (?) + + return 0; } + +device_register("i440FX", i440_init);