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added PCIDevFind function

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xmm15 2020-02-17 15:32:44 -06:00
parent 78aaa3ca75
commit 2947426c16
6 changed files with 21 additions and 2 deletions

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src/0000Boot/0000Kernel.BIN.C
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src/Kernel/KExcept.CC
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@ -121,7 +121,7 @@ U0 Break()
else {
Fs->wake_jiffy=0;
TaskResetAwaitingMessage;
DrivesRelease();
DrivesRelease();
BlkDevsRelease();
FlushMessages;
throw('Break');

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21
src/Zenith/DevInfo.CC
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@ -167,6 +167,25 @@ lud_done:
DocDel(doc);
}
public CPCIDev *PCIDevFind(U16 class_code=NULL, U16 sub_code=NULL,
U16 vendor_id=NULL, U16 device_id=NULL,
U8 _bus=0xFF, U8 _dev=0xFF, U8 _fun=0xFF)
{//return first device with matching class & subcode, vendor & device id, or a specific device.
PCILookUpDevs;
CPCIDev *p = dev.pci_head.next;
while (p != &dev.pci_head)
{
if(p->vendor_id == vendor_id && p->device_id == device_id ||
p->class_code == class_code && p->sub_code == sub_code ||
p->bus == _bus && p->dev == _dev && p->fun == _fun)
return p;
p = p->next;
}
return NULL;
}
public U0 PCIRep()
{//Report description of PCI devices.
CPCIDev *tmppci;
@ -179,7 +198,7 @@ public U0 PCIRep()
tmppci=dev.pci_head.next;
while (tmppci!=&dev.pci_head) {
"%02X:%02X:%01X %02X-%02X-%02X $$GREEN$$%s $$CYAN$$%s$$FG$$\n",
tmppci->bus,tmppci->dev,tmppci->fun,
tmppci->bus,tmppci->dev,tmppci->fun,
tmppci->class_code,tmppci->sub_code,tmppci->prog_if,
tmppci->vendor_str,tmppci->dev_id_str;
tmppci=tmppci->next;