feature: add architecture-agnostic kernel panic (BSOD) engine #57
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@@ -0,0 +1,84 @@
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{
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arch.x86.panic - x86-specific kernel panic bridge.
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Reads the saved interrupt register state (IntReg, IntErr, IntSpec)
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and packs it into a TRegisterSnapshot, then delegates to
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core.panic.panic() for architecture-agnostic display and halt.
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@author(Kieron Morris <[email protected]>)
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}
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unit arch.x86.panic;
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interface
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uses
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core.panic;
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{ Register the x86 halt procedure with core.panic. Call after LVGL init. }
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procedure init;
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{ Build a register snapshot from IntReg/IntErr/IntSpec and trigger panic.
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Must be called AFTER correctInterruptRegisters(). }
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procedure x86_panic(fault : pchar; info : pchar);
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implementation
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uses
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arch.x86.util,
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arch.x86.isr.types;
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{ Helper: add a register entry to the snapshot and increment count. }
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procedure addEntry(var snap : TRegisterSnapshot; name : pchar; value : uint32);
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begin
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if snap.Count < MAX_REGISTER_ENTRIES then begin
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snap.Entries[snap.Count].Name := name;
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snap.Entries[snap.Count].Value := value;
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Inc(snap.Count);
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end;
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end;
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procedure x86_panic(fault : pchar; info : pchar);
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var
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snap : TRegisterSnapshot;
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begin
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snap.Count := 0;
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{ Pack general-purpose registers from the saved interrupt frame }
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if IntReg <> nil then begin
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addEntry(snap, 'EBP', IntReg^.EBP);
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addEntry(snap, 'EAX', IntReg^.EAX);
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addEntry(snap, 'EBX', IntReg^.EBX);
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addEntry(snap, 'ECX', IntReg^.ECX);
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addEntry(snap, 'EDX', IntReg^.EDX);
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addEntry(snap, 'ESI', IntReg^.ESI);
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addEntry(snap, 'EDI', IntReg^.EDI);
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addEntry(snap, 'DS', uint32(IntReg^.DS));
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addEntry(snap, 'ES', uint32(IntReg^.ES));
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addEntry(snap, 'FS', uint32(IntReg^.FS));
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addEntry(snap, 'GS', uint32(IntReg^.GS));
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end;
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{ Error code }
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if IntErr <> nil then
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addEntry(snap, 'ERROR', IntErr^.Error);
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{ Special registers (EIP, CS, EFLAGS) }
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if IntSpec <> nil then begin
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addEntry(snap, 'EIP', IntSpec^.EIP);
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addEntry(snap, 'CS', IntSpec^.CS);
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addEntry(snap, 'EFLAGS', IntSpec^.EFLAGS);
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end;
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core.panic.panic(fault, info, @snap);
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end;
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procedure init;
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begin
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{ Register x86 halt as the panic halt procedure }
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core.panic.registerHaltProc(@arch.x86.util.halt_and_catch_fire);
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{ Initialize the BSOD LVGL screen }
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core.panic.init;
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end;
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end.
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@@ -28,8 +28,7 @@ unit arch.x86.util;
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interface
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uses
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arch.x86.bda,
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debug.tracer;
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arch.x86.bda;
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function INTE : boolean;
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procedure CLI();
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@@ -48,7 +47,6 @@ procedure __SSE_128_memcpy(source : uint32; dest : uint32);
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procedure halt_and_catch_fire();
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procedure halt_and_dont_catch_fire();
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procedure BSOD(fault : pchar; info : pchar);
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procedure psleep(t : uint16);
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procedure sleep(seconds : uint32);
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@@ -78,8 +76,7 @@ uses
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arch.x86.cpu,
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arch.x86.isr.types,
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driver.timer.rtc,
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driver.io.serial,
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io.syslog;
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driver.io.serial;
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function MsSinceSystemBoot : uint64;
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begin
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@@ -415,65 +412,6 @@ begin
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RorDWord:= result;
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end;
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procedure BSOD(fault : pchar; info : pchar);
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var
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trace : pchar;
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i : uint32;
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z : uint32;
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begin
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if not BSOD_ENABLE then exit;
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io.syslog.writestringln('=== KERNEL PANIC ===');
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io.syslog.writestringln('ASURO DID A WHOOPSIE! :(');
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io.syslog.writestringln(' ');
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io.syslog.writestringln('Asuro encountered an error and your computer is now a teapot.');
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io.syslog.writestringln('Your data is almost certainly safe.');
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io.syslog.writestringln(' ');
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io.syslog.writestringln('Details of the fault (for those boring enough to read) are as follows: ');
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io.syslog.writestringln(' ');
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io.syslog.writestring('Fault ID: ');
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io.syslog.writestringln(fault);
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io.syslog.writestring('Fault Info: ');
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io.syslog.writestringln(info);
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io.syslog.writestringln(' ');
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if IntReg <> nil then begin
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io.syslog.writestringln('Processor Info: ');
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io.syslog.writestring(' EBP: '); io.syslog.writehex(IntReg^.EBP); io.syslog.writestring(' EAX: '); io.syslog.writehex(IntReg^.EAX); io.syslog.writestring(' EBX: '); io.syslog.writehexln(IntReg^.EBX);
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io.syslog.writestring(' ECX: '); io.syslog.writehex(IntReg^.ECX); io.syslog.writestring(' EDX: '); io.syslog.writehex(IntReg^.EDX); io.syslog.writestring(' ESI: '); io.syslog.writehexln(IntReg^.ESI);
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io.syslog.writestring(' EDI: '); io.syslog.writehex(IntReg^.EDI); io.syslog.writestring(' DS: '); io.syslog.writehex(IntReg^.DS); io.syslog.writestring(' ES: '); io.syslog.writehexln(IntReg^.ES);
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io.syslog.writestring(' FS: '); io.syslog.writehex(IntReg^.FS); io.syslog.writestring(' GS: '); io.syslog.writehex(IntReg^.GS); io.syslog.writestring(' ERROR: '); io.syslog.writehexln(IntErr^.Error);
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io.syslog.writestring(' EIP: '); io.syslog.writehex(IntSpec^.EIP); io.syslog.writestring(' CS: '); io.syslog.writehex(IntSpec^.CS); io.syslog.writestring(' EFLAGS: '); io.syslog.writehexln(IntSpec^.EFLAGS);
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io.syslog.writestringln(' ');
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end;
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debug.tracer.freeze;
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io.syslog.writestring('Call Stack: ');
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trace:= debug.tracer.get_last_trace;
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if trace <> nil then begin
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io.syslog.writestring('[-0] ');
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io.syslog.writestringln(trace);
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for i:=1 to debug.tracer.get_trace_count-1 do begin
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trace:= debug.tracer.get_trace_N(i);
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if trace <> nil then begin
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io.syslog.writestring(' [');
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io.syslog.writestring('-');
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io.syslog.writeint(i);
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io.syslog.writestring('] ');
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io.syslog.writestringln(trace);
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end else begin
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io.syslog.writestring(' [');
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io.syslog.writestring('-');
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io.syslog.writeint(i);
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io.syslog.writestring('] ');
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io.syslog.writestringln('?????????');
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end;
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end;
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end else begin
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io.syslog.writestringln('Unknown.');
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end;
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io.syslog.writestringln('=== END KERNEL PANIC ===');
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halt_and_catch_fire();
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end;
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procedure resetSystem();
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var
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good : uint8;
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@@ -20,7 +20,7 @@ unit arch.x86.v86;
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interface
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uses
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core.util, arch.x86.util, io.syslog, debug.tracer, arch.x86.memory.virtual, arch.x86.gdt, arch.x86.idt, arch.x86.isr.types;
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core.util, arch.x86.util, core.panic, io.syslog, debug.tracer, arch.x86.memory.virtual, arch.x86.gdt, arch.x86.idt, arch.x86.isr.types;
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const
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{ V86 EFLAGS: VM=1 ($20000), IOPL=3 ($3000), IF=0 }
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@@ -540,8 +540,7 @@ end;
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procedure v86_chain_gpf; cdecl;
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begin
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BSOD('arch.x86.fault.gpf', 'General Protection Fault.');
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halt_and_catch_fire;
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core.panic.panic('arch.x86.fault.gpf', 'General Protection Fault.', nil);
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end;
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procedure v86_gpf_isr; assembler; nostackframe;
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@@ -22,8 +22,8 @@ unit arch.x86.fault.ace;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(true);
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BSOD('AC', 'Alignment Check Exception.');
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io.syslog.writestringln('Alignment Check Exception.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.ace', 'Alignment Check Exception.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.bpe;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(false);
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BSOD('BE', 'Breakpoint Exception.');
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io.syslog.writestringln('Breakpoint Exception');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.bpe', 'Breakpoint Exception.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.btsse;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(true);
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BSOD('TSS', 'Bad TSS Exception.');
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io.syslog.writestringln('Bad TSS Exception.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.btsse', 'Bad TSS Exception.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.cfe;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(false);
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BSOD('CF', 'Coprocessor Fault Exception.');
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io.syslog.writestringln('Coprocessor Fault Exception.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.cfe', 'Coprocessor Fault Exception.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.csoe;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(false);
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BSOD('CSO', 'Coprocessor Seg Overrun Exception.');
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io.syslog.writestringln('Coprocessor Seg Overrun Exception.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.csoe', 'Coprocessor Seg Overrun Exception.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.dbge;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(false);
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BSOD('DE', 'Debug Exception');
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io.syslog.writestringln('Debug Exception.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.dbge', 'Debug Exception.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.dbz;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(false);
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BSOD('arch.x86.fault.dbz', 'Divide By Zero Exception.');
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io.syslog.writestringln('Divide by Zero Exception.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.dbz', 'Divide By Zero Exception.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.dfe;
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interface
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uses
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core.util, arch.x86.util,
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io.syslog,
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arch.x86.util,
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arch.x86.panic,
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arch.x86.isr.types,
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arch.x86.isr.mgr,
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arch.x86.idt;
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@@ -33,15 +33,10 @@ procedure register();
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implementation
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procedure Main();
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var
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i : integer;
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begin
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CLI;
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correctInterruptRegisters(true);
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BSOD('DF', 'Double Fault.');
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io.syslog.writestringln('Double Fault.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.dfe', 'Double Fault.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.gpf;
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interface
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uses
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core.util, arch.x86.util,
|
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io.syslog,
|
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arch.x86.util,
|
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arch.x86.panic,
|
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arch.x86.isr.types,
|
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arch.x86.isr.mgr,
|
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arch.x86.idt;
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@@ -33,16 +33,10 @@ procedure register();
|
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implementation
|
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procedure Main();
|
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var
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i : uint32;
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Regs : PRegisters;
|
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begin
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CLI;
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correctInterruptRegisters(true);
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BSOD('arch.x86.fault.gpf', 'General Protection Fault.');
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io.syslog.writestringln('General Protection Fault.');
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arch.x86.util.halt_and_catch_fire;
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x86_panic('arch.x86.fault.gpf', 'General Protection Fault.');
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end;
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procedure register();
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@@ -22,8 +22,8 @@ unit arch.x86.fault.idoe;
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interface
|
||||
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||||
uses
|
||||
core.util, arch.x86.util,
|
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io.syslog,
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arch.x86.util,
|
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arch.x86.panic,
|
||||
arch.x86.isr.types,
|
||||
arch.x86.isr.mgr,
|
||||
arch.x86.idt;
|
||||
@@ -33,15 +33,10 @@ procedure register();
|
||||
implementation
|
||||
|
||||
procedure Main();
|
||||
var
|
||||
i : integer;
|
||||
|
||||
begin
|
||||
CLI;
|
||||
correctInterruptRegisters(false);
|
||||
BSOD('IDO', 'Into Detected Overflow Exception.');
|
||||
io.syslog.writestringln('IDO Exception.');
|
||||
arch.x86.util.halt_and_catch_fire;
|
||||
x86_panic('arch.x86.fault.idoe', 'Into Detected Overflow Exception.');
|
||||
end;
|
||||
|
||||
procedure register();
|
||||
|
||||
@@ -22,8 +22,8 @@ unit arch.x86.fault.iope;
|
||||
interface
|
||||
|
||||
uses
|
||||
core.util, arch.x86.util,
|
||||
io.syslog,
|
||||
arch.x86.util,
|
||||
arch.x86.panic,
|
||||
arch.x86.isr.types,
|
||||
arch.x86.isr.mgr,
|
||||
arch.x86.idt;
|
||||
@@ -33,15 +33,10 @@ procedure register();
|
||||
implementation
|
||||
|
||||
procedure Main();
|
||||
var
|
||||
i : integer;
|
||||
|
||||
begin
|
||||
CLI;
|
||||
correctInterruptRegisters(false);
|
||||
BSOD('IO', 'Invalid OPCode Exception.');
|
||||
io.syslog.writestringln('Invalid OPCode Exception.');
|
||||
arch.x86.util.halt_and_catch_fire;
|
||||
x86_panic('arch.x86.fault.iope', 'Invalid OPCode Exception.');
|
||||
end;
|
||||
|
||||
procedure register();
|
||||
|
||||
@@ -22,8 +22,8 @@ unit arch.x86.fault.mce;
|
||||
interface
|
||||
|
||||
uses
|
||||
core.util, arch.x86.util,
|
||||
io.syslog,
|
||||
arch.x86.util,
|
||||
arch.x86.panic,
|
||||
arch.x86.isr.types,
|
||||
arch.x86.isr.mgr,
|
||||
arch.x86.idt;
|
||||
@@ -33,15 +33,10 @@ procedure register();
|
||||
implementation
|
||||
|
||||
procedure Main();
|
||||
var
|
||||
i : integer;
|
||||
|
||||
begin
|
||||
CLI;
|
||||
correctInterruptRegisters(false);
|
||||
BSOD('MC', 'Machine Check Exception.');
|
||||
io.syslog.writestringln('Machine Check Exception.');
|
||||
arch.x86.util.halt_and_catch_fire;
|
||||
x86_panic('arch.x86.fault.mce', 'Machine Check Exception.');
|
||||
end;
|
||||
|
||||
procedure register();
|
||||
|
||||
@@ -22,8 +22,8 @@ unit arch.x86.fault.nce;
|
||||
interface
|
||||
|
||||
uses
|
||||
core.util, arch.x86.util,
|
||||
io.syslog,
|
||||
arch.x86.util,
|
||||
arch.x86.panic,
|
||||
arch.x86.isr.types,
|
||||
arch.x86.isr.mgr,
|
||||
arch.x86.idt;
|
||||
@@ -33,15 +33,10 @@ procedure register();
|
||||
implementation
|
||||
|
||||
procedure Main();
|
||||
var
|
||||
i : integer;
|
||||
|
||||
begin
|
||||
CLI;
|
||||
correctInterruptRegisters(false);
|
||||
BSOD('NC', 'No Coprocessor Exception.');
|
||||
io.syslog.writestringln('No Coprocessor Exception.');
|
||||
arch.x86.util.halt_and_catch_fire;
|
||||
x86_panic('arch.x86.fault.nce', 'No Coprocessor Exception.');
|
||||
end;
|
||||
|
||||
procedure register();
|
||||
|
||||
@@ -22,8 +22,8 @@ unit arch.x86.fault.nmie;
|
||||
interface
|
||||
|
||||
uses
|
||||
core.util, arch.x86.util,
|
||||
io.syslog,
|
||||
arch.x86.util,
|
||||
arch.x86.panic,
|
||||
arch.x86.isr.types,
|
||||
arch.x86.isr.mgr,
|
||||
arch.x86.idt;
|
||||
@@ -33,15 +33,10 @@ procedure register();
|
||||
implementation
|
||||
|
||||
procedure Main();
|
||||
var
|
||||
i : integer;
|
||||
|
||||
begin
|
||||
CLI;
|
||||
correctInterruptRegisters(false);
|
||||
BSOD('NMI', 'Non-Maskable Interrupt Exception.');
|
||||
io.syslog.writestringln('NMI Exception.');
|
||||
arch.x86.util.halt_and_catch_fire;
|
||||
x86_panic('arch.x86.fault.nmie', 'Non-Maskable Interrupt Exception.');
|
||||
end;
|
||||
|
||||
procedure register();
|
||||
|
||||
@@ -22,8 +22,8 @@ unit arch.x86.fault.oobe;
|
||||
interface
|
||||
|
||||
uses
|
||||
core.util, arch.x86.util,
|
||||
io.syslog,
|
||||
arch.x86.util,
|
||||
arch.x86.panic,
|
||||
arch.x86.isr.types,
|
||||
arch.x86.isr.mgr,
|
||||
arch.x86.idt;
|
||||
@@ -33,15 +33,10 @@ procedure register();
|
||||
implementation
|
||||
|
||||
procedure Main();
|
||||
var
|
||||
i : integer;
|
||||
|
||||
begin
|
||||
CLI;
|
||||
correctInterruptRegisters(false);
|
||||
BSOD('OOB', 'Out of Bouunds Exception.');
|
||||
io.syslog.writestringln('OOB Exception.');
|
||||
arch.x86.util.halt_and_catch_fire;
|
||||
x86_panic('arch.x86.fault.oobe', 'Out of Bounds Exception.');
|
||||
end;
|
||||
|
||||
procedure register();
|
||||
|
||||
@@ -22,8 +22,8 @@ unit arch.x86.fault.pf;
|
||||
interface
|
||||
|
||||
uses
|
||||
core.util, arch.x86.util,
|
||||
io.syslog,
|
||||
arch.x86.util,
|
||||
arch.x86.panic,
|
||||
arch.x86.isr.types,
|
||||
arch.x86.isr.mgr,
|
||||
arch.x86.idt;
|
||||
@@ -33,15 +33,10 @@ procedure register();
|
||||
implementation
|
||||
|
||||
procedure Main();
|
||||
var
|
||||
i : integer;
|
||||
|
||||
begin
|
||||
CLI;
|
||||
correctInterruptRegisters(true);
|
||||
BSOD('arch.x86.fault.pf', 'Page Fault.');
|
||||
io.syslog.writestringln('Page Fault.');
|
||||
arch.x86.util.halt_and_catch_fire;
|
||||
x86_panic('arch.x86.fault.pf', 'Page Fault.');
|
||||
end;
|
||||
|
||||
procedure register();
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user