coreboot-kgpe-d16/src/lib/debug.c

94 lines
2.4 KiB
C

/*
* This file is part of the coreboot project.
*
* (C) 2007-2009 coresystems GmbH
*
* This program 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; version 2 of
* the License.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
static void print_debug_pci_dev(unsigned dev)
{
printk(BIOS_DEBUG, "PCI: %02x:%02x.%x",
(dev >> 16) & 0xff, (dev >> 11) & 0x1f, (dev >> 8) & 7);
}
static inline void print_pci_devices(void)
{
device_t dev;
for (dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0x00, 0x1f, 0x7); dev += PCI_DEV(0, 0, 1)) {
u32 id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff)
|| (((id >> 16) & 0xffff) == 0xffff)
|| (((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
print_debug_pci_dev(dev);
printk(BIOS_DEBUG, "\n");
}
}
static void dump_pci_device(unsigned dev)
{
int i;
print_debug_pci_dev(dev);
printk(BIOS_DEBUG, "\n");
for (i = 0; i <= 255; i++) {
unsigned char val;
if ((i & 0x0f) == 0)
printk(BIOS_DEBUG, "%02x:", i);
val = pci_read_config8(dev, i);
printk(BIOS_DEBUG, " %02x", val);
if ((i & 0x0f) == 0x0f)
printk(BIOS_DEBUG, "\n");
}
}
static inline void dump_pci_devices(void)
{
device_t dev;
for (dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0, 0x1f, 0x7); dev += PCI_DEV(0, 0, 1)) {
u32 id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff)
|| (((id >> 16) & 0xffff) == 0xffff)
|| (((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
dump_pci_device(dev);
}
}
static inline void dump_io_resources(unsigned port)
{
int i;
printk(BIOS_DEBUG, "%04x:\n", port);
for (i = 0; i < 256; i++) {
u8 val;
if ((i & 0x0f) == 0)
printk(BIOS_DEBUG, "%02x:", i);
val = inb(port);
printk(BIOS_DEBUG, " %02x", val);
if ((i & 0x0f) == 0x0f)
printk(BIOS_DEBUG, "\n");
port++;
}
}