Spexeah/Asuro
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git-svn-id: https://spexeah.com:8443/svn/Asuro@225 6dbc8c32-bb84-406f-8558-d1cf31a0ab0c

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This commit is contained in:
aaron 2017-10-23 13:09:43 +00:00
parent bfeadc08da
commit f94f0d4850
1 changed files with 42 additions and 27 deletions
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31
src/driver/PCI.pas
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@ -224,7 +224,7 @@ var
procedure init();
procedure loadConfig(bus : uint8; slot : uint8; func : uint8; offset : uint8);
function check_device(bus : uint8; device : uint8) : boolean;
function check_device(bus : uint8; device : uint8; func : uint8) : boolean;
function get_vendor_ID(bus : uint8; slot : uint8; func : uint8; offset : uint8) : uint16;
function isDevice(bus : uint8; slot : uint8; func : uint8; offset : uint8) : ubit2;
@ -242,11 +242,12 @@ procedure init();
var
i : uint16;
ii : uint16;
iii : uint8;
begin
//enumerate pci bus
for ii:=0 to 256 do begin
for i:=0 to 31 do begin
check_device(ii, i);
check_device(ii, i, 0);
end;
end;
@ -259,29 +260,39 @@ var
begin
packetI := ($1 shl 31);
packetI := packetI or (bus shl 16);
packetI := packetI or (slot shl 11);
packetI := packetI or (func shl 8);
packetI := packetI or (offset shl 2);
packetI := packetI or ((slot) shl 11);
packetI := packetI or ((func) shl 8);
packetI := packetI or ((offset) shl 2);
outl($CF8, uint32(packetI));
end;
function check_device(bus : uint8; device : uint8) : boolean;
function check_device(bus : uint8; device : uint8; func : uint8) : boolean;
var
vendor_id : uint16;
isDeviceb : uint8;
i : uint8;
begin
vendor_id := get_vendor_ID(bus, device, 0, 0);
if vendor_id = $FFFF then exit;
isDeviceb := isDevice(bus, device, 0, 8);
if isDeviceb = 1 then begin
if isDeviceb >= 0 then begin
devices[device_count] := read_device_config(bus, device, 0, 0);
device_count := device_count + 1;
if devices[device_count - 1].header_type and $80 <> 0 then begin
for i:=0 to 8 do begin
// console.writechar(char(21));
vendor_id := get_vendor_ID(bus, device, i, 0);
//if vendor_id = $FFFF then exit(false);
devices[device_count] := read_device_config(bus, device, i, 0);
device_count := device_count + 1;
end;
end;
check_device := true;
end else begin
console.writestringln('PCI: Nested bus found');
//console.writestringln('PCI: Nested bus found');
//busses[bus_count] := read_bridge_config();
bus_count := bus_count + 1;
check_device := false;
@ -406,6 +417,8 @@ begin
tmp.interrupt_pin := read8(bus, slot, func, off, 1);
tmp.interrupt_line := read8(bus, slot, func, off, 0);
if(tmp.vendor_id <> $FFFF) then begin
console.writestring('PCI: Found Device: ');
console.writehex(slot);
console.writestring(' ');
@ -417,6 +430,7 @@ begin
console.writestring(' ');
console.writehexln(tmp.subclass_class);
if tmp.class_code = 1 then begin
console.writestringln('-Device is MASS_STORAGE_CONTROLLER ');
end;
@ -426,6 +440,7 @@ begin
if tmp.class_code = 3 then begin
console.writestringln('-Device is DISPLAY_CONTROLLER ');
end;
end;
//psleep(300);