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Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de>

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Added PCI support code.
This commit is contained in:
Stefan Eßer 1994-11-02 23:27:36 +00:00
parent bfb65cd092
commit b3ad637c18
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=4098
1 changed files with 32 additions and 9 deletions
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41
usr.sbin/lsdev/i386.c
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@ -46,7 +46,7 @@ printit:
}
break;
case MDDT_PCI:
if(dc->dc_datalen >= PCI_EXTERNALLEN) {
if(dc->dc_datalen >= PCI_EXTERNAL_LEN) {
print_pci(dc);
} else {
goto printit;
@ -155,17 +155,40 @@ print_eisa(struct devconf *dc)
static void
print_pci(struct devconf *dc)
{
struct pci_device *pd = (struct pci_device *)dc->dc_data;
/*
** PCI is capable of true autoconfiguration.
** The pci_device structure isn't required at all.
**
** You can retrieve the configuration info
** from the configuration space.
*/
struct pci_externalize_buffer *pd =
(struct pci_externalize_buffer *)dc->dc_data;
u_long data, pin, line;
printf("%s%d\tat pci%d:%d",
dc->dc_name, dc->dc_unit,
pd->peb_pci_info.pi_bus,
pd->peb_pci_info.pi_device);
/*
* Unfortunately, the `pci_device' struct is completely
* useless. We will have to develop a unique structure
* for this task eventually, unless the existing one can
* be made to serve.
*/
** For now we show only the interrupt configuration,
** because this may collide with other parts of the
** configuration.
*/
printf("%s%d at %s%d", dc->dc_name, dc->dc_unit, dc->dc_pname,
dc->dc_punit);
data = pd->peb_config[PCI_INTERRUPT_REG / 4];
pin = PCI_INTERRUPT_PIN_EXTRACT (data);
line = PCI_INTERRUPT_LINE_EXTRACT (data);
/*
** You may of course display all the configuration registers.
** Hint: The #defines are in <i386/pci/pcireg.h>
*/
if (pin) printf (" # int %c irq %d", pin + ('a'-1), line);
}
static void