diff options
Diffstat (limited to '')
-rw-r--r-- | grub-core/bus/emu/pci.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/grub-core/bus/emu/pci.c b/grub-core/bus/emu/pci.c new file mode 100644 index 0000000..267f262 --- /dev/null +++ b/grub-core/bus/emu/pci.c @@ -0,0 +1,78 @@ +/* pci.c - Generic PCI interfaces. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/pci.h> +#include <grub/dl.h> +#include <grub/emu/misc.h> +#include <grub/util/misc.h> + +grub_pci_address_t +grub_pci_make_address (grub_pci_device_t dev, int reg) +{ + grub_pci_address_t ret; + ret.dev = dev; + ret.pos = reg; + return ret; +} + +void +grub_pci_iterate (grub_pci_iteratefunc_t hook, void *hook_data) +{ + struct pci_device_iterator *iter; + struct pci_slot_match slot; + struct pci_device *dev; + slot.domain = PCI_MATCH_ANY; + slot.bus = PCI_MATCH_ANY; + slot.dev = PCI_MATCH_ANY; + slot.func = PCI_MATCH_ANY; + iter = pci_slot_match_iterator_create (&slot); + while ((dev = pci_device_next (iter))) + hook (dev, dev->vendor_id | (dev->device_id << 16), hook_data); + pci_iterator_destroy (iter); +} + +void * +grub_pci_device_map_range (grub_pci_device_t dev, grub_addr_t base, + grub_size_t size) +{ + void *addr; + int err; + err = pci_device_map_range (dev, base, size, PCI_DEV_MAP_FLAG_WRITABLE, &addr); + if (err) + grub_util_error ("mapping 0x%llx failed (error %d)", + (unsigned long long) base, err); + return addr; +} + +void +grub_pci_device_unmap_range (grub_pci_device_t dev, void *mem, + grub_size_t size) +{ + pci_device_unmap_range (dev, mem, size); +} + +GRUB_MOD_INIT (emupci) +{ + pci_system_init (); +} + +GRUB_MOD_FINI (emupci) +{ + pci_system_cleanup (); +} |