--- trunk/reactos/ntoskrnl/ex/i386/fastinterlck_asm.S 2006-01-17 20:12:18 UTC (rev 20940)
+++ trunk/reactos/ntoskrnl/ex/i386/fastinterlck_asm.S 2006-01-17 22:34:20 UTC (rev 20941)
@@ -679,4 +679,182 @@
mov eax, edx
ret
+/*** Non-586 functions ***/
+
+/*PSINGLE_LIST_ENTRY
+ *NTAPI
+ *ExfInterlockedPopEntrySList(IN PSINGLE_LIST_ENTRY ListHead,
+ * IN PKSPIN_LOCK Lock)
+ */
+.global @ExfInterlockedPopEntrySList@8
+@ExfInterlockedPopEntrySList@8:
+
+ /* Save flags */
+.starta:
+ pushfd
+
+ /* Disable interrupts */
+ cli
+
+ /* Acquire lock */
+ ACQUIRE_SPINLOCK(edx, .spina)
+
+ /* Get the next link and check if it's empty */
+ mov eax, [ecx]
+ or eax, eax
+ jz 1f
+
+ /* Get address of the next link and store it */
+ push [eax]
+ pop [ecx]
+
+ /* Decrement list depth */
+ dec dword ptr [ecx+4]
+
+1:
+#ifdef CONFIG_SMP
+ /* Release spinlock */
+ RELEASE_SPINLOCK(edx)
+#endif
+
+ /* Restore flags and return */
+ popfd
+ ret 0
+
+#ifdef CONFIG_SMP
+.spina:
+ /* Restore flags and spin */
+ popfd
+ SPIN_ON_LOCK(edx, .starta)
+#endif
+
+/*PSINGLE_LIST_ENTRY
+ *NTAPI
+ *ExInterlockedPushEntrySList(IN PSINGLE_LIST_ENTRY ListHead,
+ * IN PSINGLE_LIST_ENTRY ListEntry,
+ * IN PKSPIN_LOCK Lock)
+ */
+.global @ExfInterlockedPushEntrySList@12
+@ExfInterlockedPushEntrySList@12:
+
+ /* Save flags */
+.startb:
+ pushfd
+
+ /* Disable interrupts */
+ cli
+
+ /* Acquire lock */
+#ifndef CONFIG_SMP
+ mov eax, [esp+8]
+ ACQUIRE_SPINLOCK(eax, .spinb)
+#endif
+
+ /* Get the next link and check if it's empty */
+ push [ecx]
+
+ /* Get address of the next link and store it */
+ pop [edx]
+ mov [ecx], edx
+
+ /* Increment list depth */
+ inc dword ptr [ecx+4]
+
+#ifdef CONFIG_SMP
+ /* Release spinlock */
+ RELEASE_SPINLOCK(eax)
+#endif
+
+ /* Restore flags and return */
+ popfd
+ ret 0
+
+#ifdef CONFIG_SMP
+.spinb:
+ /* Restore flags and spin */
+ popfd
+ SPIN_ON_LOCK(eax, .startb)
+#endif
+
+/*PVOID
+ *FASTCALL
+ *ExpInterlockedCompareExchange64(IN PLONGLONG Destination,
+ * IN PLONGLONG Exchange,
+ * IN PLONGLONG Comperand,
+ * IN PKSPIN_LOCK Lock)
+ */
+.global @ExpInterlockedCompareExchange64@16
+@ExpInterlockedCompareExchange64@16:
+
+ /* Save registers */
+ push ebp
+ push ebp
+
+ /* Get desination pointer, exchange value and comperand value/address */
+ mov ebp, ecx
+ mov ebx, [edx]
+ mov ecx, [edx+4]
+ mov edx, [esp+12]
+ mov eax, [edx]
+ mov edx, [edx+4]
+
+#ifdef CONFIG_SMP
+ /* Save ESI so we can store KSPINLOCK in it */
+ push esi
+
+ /* Save flags and lock, and disable interrupts */
+ pushfd
+ mov esi, [esp+24]
+ cli
+
+ /* Acquire the spinlock */
+ ACQUIRE_SPINLOCK(esi, .spinc)
+#else
+ /* Save flags and disable interrupts */
+ pushfd
+ cli
+#endif
+
+ /* Compare bottom */
+ cmp eax, [ebp]
+ jne NoMatch
+
+ /* Compare top */
+ cmp edx, [ebp+4]
+ jne NoMatch
+
+ /* Save new value */
+ mov [ebp], ebx
+ mov [ebp+4], ecx
+
+AfterSave:
+#ifdef CONFIG_SMP
+ /* Release lock, restore volatiles and flags */
+ RELEASE_SPINLOCK(esi)
+ popfd
+ pop esi
+#else
+ popfd
+#endif
+
+ /* Restore the other volatiles and return */
+ pop ebp
+ pop ebx
+
+ /* Return */
+ ret 8
+
+NoMatch:
+ /* Return the current value */
+ mov eax, [ebp]
+ mov edx, [ebp+4]
+ jmp AfterSave
+
+#ifdef CONFIG_SMP
+.spinc:
+ /* Restore flags and spin */
+ popfd
+ pushfd
+ SPIN_ON_LOCK(esi, .startc)
+#endif
/* EOF */