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- Remove some deprecated files.
svn path=/trunk/; revision=18080
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/* $Id$
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/ps/i386/continue.c
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* PURPOSE: i386 implementation of NtContinue()
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*
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* PROGRAMMERS: Royce Mitchell III,
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* kjk_hyperion
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*/
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/* INCLUDES ****************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <internal/debug.h>
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VOID STDCALL
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KeRosDumpStackFrames ( PULONG Frame, ULONG FrameCount );
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/*
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* @implemented
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*/
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NTSTATUS STDCALL
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NtContinue(
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IN PCONTEXT Context,
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IN BOOLEAN TestAlert)
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{
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PKTHREAD Thread = KeGetCurrentThread();
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PKTRAP_FRAME TrapFrame = Thread->TrapFrame;
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PKTRAP_FRAME PrevTrapFrame = (PKTRAP_FRAME)TrapFrame->Edx;
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PFX_SAVE_AREA FxSaveArea;
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KIRQL oldIrql;
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#ifndef NDEBUG
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DPRINT("NtContinue: Context: Eip=0x%x, Esp=0x%x\n", Context->Eip, Context->Esp );
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PULONG Frame = 0;
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__asm__("mov %%ebp, %%ebx" : "=b" (Frame) : );
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DPRINT( "NtContinue(): Ebp=%x, prev/TF=%x/%x\n", Frame, Frame[0], TrapFrame );
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KeRosDumpStackFrames(NULL,5);
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#endif
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if (Context == NULL)
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{
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DPRINT1("NtContinue called with NULL Context\n");
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return STATUS_INVALID_PARAMETER;
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}
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if (TrapFrame == NULL)
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{
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CPRINT("NtContinue called but TrapFrame was NULL\n");
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KEBUGCHECK(0);
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}
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/*
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* Copy the supplied context over the register information that was saved
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* on entry to kernel mode, it will then be restored on exit
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* FIXME: Validate the context
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*/
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KeContextToTrapFrame(Context, TrapFrame);
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/*
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* Put the floating point context into the thread's FX_SAVE_AREA
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* and make sure it is reloaded when needed.
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*/
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FxSaveArea = (PFX_SAVE_AREA)((ULONG_PTR)Thread->InitialStack - sizeof(FX_SAVE_AREA));
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if (KiContextToFxSaveArea(FxSaveArea, Context))
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{
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Thread->NpxState = NPX_STATE_VALID;
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KeRaiseIrql(DISPATCH_LEVEL, &oldIrql);
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if (KeGetCurrentPrcb()->NpxThread == Thread)
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{
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KeGetCurrentPrcb()->NpxThread = NULL;
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Ke386SetCr0(Ke386GetCr0() | X86_CR0_TS);
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}
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else
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{
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ASSERT((Ke386GetCr0() & X86_CR0_TS) == X86_CR0_TS);
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}
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KeLowerIrql(oldIrql);
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}
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if (TestAlert)
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{
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KeTestAlertThread(TrapFrame->PreviousMode);
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}
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/* Restore the user context */
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Thread->TrapFrame = PrevTrapFrame;
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__asm__("mov %%ebx, %%esp;\n" "jmp _KiServiceExit": : "b" (TrapFrame));
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return STATUS_SUCCESS; /* this doesn't actually happen b/c KeRosTrapReturn() won't return */
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}
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