Zebediah Figura : hal: Implement plain queued spinlock functions on top of DPC-level ones.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 119b9c70392ab2f19ab805718bc99e9a61044f8f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=119b9c70392ab2f19ab805718...

Author: Zebediah Figura 
Date:   Mon Jan 28 19:21:14 2019 -0600

hal: Implement plain queued spinlock functions on top of DPC-level ones.

Signed-off-by: Zebediah Figura 
Signed-off-by: Alexandre Julliard

---

dlls/hal/hal.c    | 31 +++++++++++++++++++++++++++++++
 dlls/hal/hal.spec |  4 ++--
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/dlls/hal/hal.c b/dlls/hal/hal.c
index 5b3ee44..8796272 100644
--- a/dlls/hal/hal.c
+++ b/dlls/hal/hal.c
@@ -49,6 +49,21 @@ WINE_DEFAULT_DEBUG_CHANNEL(ntoskrnl);
                        "pushl %eax\n\t" \
                        "jmp " __ASM_NAME("__regs_") #name __ASM_STDCALL(8))

+extern void * WINAPI call_fastcall_func1( void *func, const void *a );
+__ASM_STDCALL_FUNC( call_fastcall_func1, 8,
+                   "popl %ecx\n\t"
+                   "popl %eax\n\t"
+                   "xchgl (%esp),%ecx\n\t"
+                   "jmp *%eax" );
+
+extern void * WINAPI call_fastcall_func2( void *func, const void *a, const void *b );
+__ASM_STDCALL_FUNC( call_fastcall_func2, 12,
+                   "popl %edx\n\t"
+                   "popl %eax\n\t"
+                   "popl %ecx\n\t"
+                   "xchgl (%esp),%edx\n\t"
+                   "jmp *%eax" );
+
 DEFINE_FASTCALL1_ENTRYPOINT( ExAcquireFastMutex )
 VOID WINAPI DECLSPEC_HIDDEN __regs_ExAcquireFastMutex(PFAST_MUTEX FastMutex)
 {
@@ -94,6 +109,22 @@ void WINAPI KeReleaseSpinLock( KSPIN_LOCK *lock, KIRQL irql )
     TRACE("lock %p, irql %u.\n", lock, irql);
     KeReleaseSpinLockFromDpcLevel( lock );
 }
+
+extern void WINAPI KeAcquireInStackQueuedSpinLockAtDpcLevel( KSPIN_LOCK *, KLOCK_QUEUE_HANDLE * );
+
+DEFINE_FASTCALL2_ENTRYPOINT( KeAcquireInStackQueuedSpinLock )
+void WINAPI DECLSPEC_HIDDEN __regs_KeAcquireInStackQueuedSpinLock( KSPIN_LOCK *lock, KLOCK_QUEUE_HANDLE *queue )
+{
+    call_fastcall_func2( KeAcquireInStackQueuedSpinLockAtDpcLevel, lock, queue );
+}
+
+extern void WINAPI KeReleaseInStackQueuedSpinLockFromDpcLevel( KLOCK_QUEUE_HANDLE * );
+
+DEFINE_FASTCALL1_ENTRYPOINT( KeReleaseInStackQueuedSpinLock )
+void WINAPI DECLSPEC_HIDDEN __regs_KeReleaseInStackQueuedSpinLock( KLOCK_QUEUE_HANDLE *queue )
+{
+    call_fastcall_func1( KeReleaseInStackQueuedSpinLockFromDpcLevel, queue );
+}
 #endif /* __i386__ */

#if defined(__i386__) || defined(__arm__) || defined(__aarch64__)
diff --git a/dlls/hal/hal.spec b/dlls/hal/hal.spec
index b4ec512..16822fc 100644
--- a/dlls/hal/hal.spec
+++ b/dlls/hal/hal.spec
@@ -4,12 +4,12 @@
 @ stub HalClearSoftwareInterrupt
 @ stub HalRequestSoftwareInterrupt
 @ stub HalSystemVectorDispatchEntry
-@ stdcall -norelay KeAcquireInStackQueuedSpinLock(ptr ptr) ntoskrnl.exe.KeAcquireInStackQueuedSpinLock
+@ stdcall -arch=i386 -norelay KeAcquireInStackQueuedSpinLock(ptr ptr)
 @ stub KeAcquireInStackQueuedSpinLockRaiseToSynch
 @ stub KeAcquireQueuedSpinLock
 @ stub KeAcquireQueuedSpinLockRaiseToSynch
 @ stub KeAcquireSpinLockRaiseToSynch
-@ stdcall -norelay KeReleaseInStackQueuedSpinLock(ptr) ntoskrnl.exe.KeReleaseInStackQueuedSpinLock
+@ stdcall -arch=i386 -norelay KeReleaseInStackQueuedSpinLock(ptr)
 @ stub KeReleaseQueuedSpinLock
 @ stub KeTryToAcquireQueuedSpinLock
 @ stub KeTryToAcquireQueuedSpinLockRaiseToSynch