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- Use correct trapframe during set/get context. Thanks to blight for noticing the bug.
svn path=/trunk/; revision=18963
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1 changed files with 14 additions and 7 deletions
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@ -44,23 +44,30 @@ PspGetOrSetContextKernelRoutine(PKAPC Apc,
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PKEVENT Event;
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PCONTEXT Context;
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KPROCESSOR_MODE Mode;
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PETHREAD Thread;
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PKTRAP_FRAME TrapFrame;
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/* Get the Context Structure */
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GetSetContext = CONTAINING_RECORD(Apc, GET_SET_CTX_CONTEXT, Apc);
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Context = &GetSetContext->Context;
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Event = &GetSetContext->Event;
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Mode = GetSetContext->Mode;
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Thread = SystemArgument2;
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/* Get trap frame */
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TrapFrame = (PKTRAP_FRAME)((ULONG_PTR)Thread->Tcb.InitialStack -
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sizeof(KTRAP_FRAME) - sizeof(FX_SAVE_AREA));
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/* Check if it's a set or get */
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if (SystemArgument1) {
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if (SystemArgument1)
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{
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/* Get the Context */
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KeTrapFrameToContext(KeGetCurrentThread()->TrapFrame, NULL, Context);
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} else {
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KeTrapFrameToContext(TrapFrame, NULL, Context);
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}
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else
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{
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/* Set the Context */
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KeContextToTrapFrame(Context, NULL, KeGetCurrentThread()->TrapFrame, Mode);
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KeContextToTrapFrame(Context, NULL, TrapFrame, Mode);
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}
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/* Notify the Native API that we are done */
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