/* Increase total syscall count */
inc dword ptr PCR[KPCR_SYSTEM_CALLS]
-#ifdef DBG
+#if DBG
/* Increase per-syscall count */
mov ecx, [edi+SERVICE_DESCRIPTOR_COUNT]
jecxz NoCountTable
call ebx
AfterSysCall:
-#ifdef DBG
+#if DBG
/* Make sure the user-mode call didn't return at elevated IRQL */
test byte ptr [ebp+KTRAP_FRAME_CS], MODE_MASK
jz SkipCheck
push 0
jmp _KiTrap6
-#ifdef DBG
+#if DBG
InvalidIrql:
/* Save current IRQL */
push PCR[KPCR_IRQL]
TRAP_PROLOG kit3_a, kit3_t
/* Set status code */
- mov eax, 0 //STATUS_SUCCESS
+ mov eax, STATUS_SUCCESS
/* Check for V86 */
PrepareInt3:
.globl _KiTrap8
.func KiTrap8
_KiTrap8:
-
/* Can't really do too much */
mov eax, 8
jmp _KiSystemFatalException
cmp eax, offset CheckPrivilegedInstruction
jbe KmodeGpf
cmp eax, offset CheckPrivilegedInstruction2
+ jae KmodeGpf
/* FIXME: TODO */
UNHANDLED_PATH
NoFixUp:
mov edi, cr2
- /* ROS HACK: Sometimes we get called with INTS DISABLED! WTF? */
+ /* REACTOS Mm Hack of Doom */
test dword ptr [ebp+KTRAP_FRAME_EFLAGS], EFLAGS_INTERRUPT_MASK
je HandlePf
/* Enable interrupts and check if we got here with interrupts disabled */
sti
- test dword ptr [ebp+KTRAP_FRAME_EFLAGS], EFLAGS_INTERRUPT_MASK
- jz IllegalState
+ /* test dword ptr [ebp+KTRAP_FRAME_EFLAGS], EFLAGS_INTERRUPT_MASK
+ jz IllegalState */
HandlePf:
/* Send trap frame and check if this is kernel-mode or usermode */
.func KiChainedDispatch2ndLvl@0
_KiChainedDispatch2ndLvl@0:
- /* Not yet supported */
- UNHANDLED_PATH
+NextSharedInt:
+ /* Raise IRQL if necessary */
+ mov cl, [edi+KINTERRUPT_SYNCHRONIZE_IRQL]
+ cmp cl, [edi+KINTERRUPT_IRQL]
+ je 1f
+ call @KfRaiseIrql@4
+
+1:
+ /* Acquire the lock */
+ mov esi, [edi+KINTERRUPT_ACTUAL_LOCK]
+GetIntLock2:
+ ACQUIRE_SPINLOCK(esi, IntSpin2)
+
+ /* Make sure that this interrupt isn't storming */
+ VERIFY_INT kid2
+
+ /* Save the tick count */
+ mov esi, _KeTickCount
+
+ /* Call the ISR */
+ mov eax, [edi+KINTERRUPT_SERVICE_CONTEXT]
+ push eax
+ push edi
+ call [edi+KINTERRUPT_SERVICE_ROUTINE]
+
+ /* Save the ISR result */
+ mov bl, al
+
+ /* Check if the ISR timed out */
+ add esi, _KiISRTimeout
+ cmp _KeTickCount, esi
+ jnc ChainedIsrTimeout
+
+ReleaseLock2:
+ /* Release the lock */
+ mov esi, [edi+KINTERRUPT_ACTUAL_LOCK]
+ RELEASE_SPINLOCK(esi)
+
+ /* Lower IRQL if necessary */
+ mov cl, [edi+KINTERRUPT_IRQL]
+ cmp cl, [edi+KINTERRUPT_SYNCHRONIZE_IRQL]
+ je 1f
+ call @KfLowerIrql@4
+
+1:
+ /* Check if the interrupt is handled */
+ or bl, bl
+ jnz 1f
+
+ /* Try the next shared interrupt handler */
+ mov eax, [edi+KINTERRUPT_INTERRUPT_LIST_HEAD]
+ lea edi, [eax-KINTERRUPT_INTERRUPT_LIST_HEAD]
+ jmp NextSharedInt
+
+1:
+ ret
+
+#ifdef CONFIG_SMP
+IntSpin2:
+ SPIN_ON_LOCK(esi, GetIntLock2)
+#endif
+
+ChainedIsrTimeout:
+ /* Print warning message */
+ push [edi+KINTERRUPT_SERVICE_ROUTINE]
+ push offset _IsrTimeoutMsg
+ call _DbgPrint
+ add esp,8
+
+ /* Break into debugger, then continue */
+ int 3
+ jmp ReleaseLock2
+
+ /* Cleanup verification */
+ VERIFY_INT_END kid2, 0
.endfunc
.func KiChainedDispatch@0
jz SpuriousInt
/* Acquire the lock */
-GetIntLock:
mov esi, [edi+KINTERRUPT_ACTUAL_LOCK]
+GetIntLock:
ACQUIRE_SPINLOCK(esi, IntSpin)
/* Make sure that this interrupt isn't storming */
/* Go to DIRQL */
mov cl, [ebx+KINTERRUPT_SYNCHRONIZE_IRQL]
call @KfRaiseIrql@4
+ push eax
+
+#ifdef CONFIG_SMP
+ /* Acquire the interrupt spinlock FIXME: Write this in assembly */
+ mov ecx, [ebx+KINTERRUPT_ACTUAL_LOCK]
+ call @KefAcquireSpinLockAtDpcLevel@4
+#endif
/* Call the routine */
- push eax
push [esp+20]
call [esp+20]
+#ifdef CONFIG_SMP
+ /* Release the interrupt spinlock FIXME: Write this in assembly */
+ push eax
+ mov ecx, [ebx+KINTERRUPT_ACTUAL_LOCK]
+ call @KefReleaseSpinLockFromDpcLevel@4
+ pop eax
+#endif
+
/* Lower IRQL */
mov ebx, eax
pop ecx
pop ebx
ret 12
.endfunc
+
+/*++
+ * Kii386SpinOnSpinLock
+ *
+ * FILLMEIN
+ *
+ * Params:
+ * SpinLock - FILLMEIN
+ *
+ * Flags - FILLMEIN
+ *
+ * Returns:
+ * None.
+ *
+ * Remarks:
+ * FILLMEIN
+ *
+ *--*/
+.globl _Kii386SpinOnSpinLock@8
+.func Kii386SpinOnSpinLock@8
+_Kii386SpinOnSpinLock@8:
+
+#ifdef CONFIG_SMP
+ /* FIXME: TODO */
+ int 3
+#endif
+
+ ret 8
+.endfunc