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libpci initial stuff

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phcoder 2009-10-14 10:11:59 +02:00
parent bf7f7a18f4
commit 3affd0ece8
11 changed files with 147 additions and 37 deletions
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util/pci.c Normal file
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/* 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>
struct pci_access *acc = 0;
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 << 2;
return ret;
}
void
grub_pci_close (grub_pci_device_t dev)
{
pci_free_dev (dev);
}
void
grub_pci_iterate (grub_pci_iteratefunc_t hook)
{
grub_pci_device_t cur;
for (cur = acc->devices; cur; cur = cur->next)
hook (cur, cur->vendor_id|(cur->device_id << 16));
}
GRUB_MOD_INIT (pci)
{
acc = pci_alloc ();
pci_init (acc);
}
GRUB_MOD_FINI (pci)
{
pci_cleanup (acc);
}