Asuro/src/driver/storage/ATA_ISR.pas

75 lines
1.5 KiB
ObjectPascal

{ ************************************************
* Asuro
* Unit: Drivers/ISR46
* Description: Primary ATA IRQ
************************************************
* Author: Aaron Hance
* Contributors:
************************************************ }
unit ATA_ISR;
interface
uses
util,
console,
isr_types,
isrmanager,
IDT;
procedure register();
procedure hook(hook_method : uint32);
procedure unhook(hook_method : uint32);
implementation
var
Hooks : Array[1..MAX_HOOKS] of pp_hook_method;
procedure Main(); interrupt;
var
i : integer;
begin
CLI;
for i:=0 to MAX_HOOKS-1 do begin
if uint32(Hooks[i]) <> 0 then Hooks[i](void($00000000));
end;
console.writestringln('Disk Operation Complete');
end;
procedure register();
begin
memset(uint32(@Hooks[0]), 0, sizeof(pp_hook_method)*MAX_HOOKS);
isrmanager.registerISR(76, @Main);
//IDT.set_gate(76, uint32(@Main), $08, ISR_RING_0);
end;
procedure hook(hook_method : uint32);
var
i : uint32;
begin
for i:=0 to MAX_HOOKS-1 do begin
if uint32(Hooks[i]) = hook_method then exit;
end;
for i:=0 to MAX_HOOKS-1 do begin
if uint32(Hooks[i]) = 0 then begin
Hooks[i]:= pp_hook_method(hook_method);
exit;
end;
end;
end;
procedure unhook(hook_method : uint32);
var
i : uint32;
begin
for i:=0 to MAX_HOOKS-1 do begin
If uint32(Hooks[i]) = hook_method then Hooks[i]:= nil;
exit;
end;
end;
end.