reactos/sdk/lib/rtl/amd64/stubs.c
2022-08-22 11:22:08 +02:00

93 lines
2.7 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Run-Time Library
* PURPOSE: AMD64 stubs
* FILE: lib/rtl/amd64/stubs.c
* PROGRAMMERS: Stefan Ginsberg (stefan.ginsberg@reactos.org)
*/
/* INCLUDES *****************************************************************/
#include <rtl.h>
#define NDEBUG
#include <debug.h>
#include "amd64/ketypes.h"
/* PUBLIC FUNCTIONS **********************************************************/
/*
* @unimplemented
*/
VOID
NTAPI
RtlInitializeContext(
_Reserved_ HANDLE ProcessHandle,
_Out_ PCONTEXT ThreadContext,
_In_opt_ PVOID ThreadStartParam,
_In_ PTHREAD_START_ROUTINE ThreadStartAddress,
_In_ PINITIAL_TEB StackBase)
{
/* Initialize everything to 0 */
RtlZeroMemory(ThreadContext, sizeof(*ThreadContext));
/* Initialize StartAddress and Stack */
ThreadContext->Rip = (ULONG64)ThreadStartAddress;
ThreadContext->Rsp = (ULONG64)StackBase - 6 * sizeof(PVOID);
/* Align stack by 16 and substract 8 (unaligned on function entry) */
ThreadContext->Rsp &= ~15;
ThreadContext->Rsp -= 8;
/* Enable Interrupts */
ThreadContext->EFlags = EFLAGS_INTERRUPT_MASK;
/* Set start parameter */
ThreadContext->Rcx = (ULONG64)ThreadStartParam;
/* Set the Selectors */
if ((LONG64)ThreadStartAddress < 0)
{
/* Initialize kernel mode segments */
ThreadContext->SegCs = KGDT64_R0_CODE;
ThreadContext->SegDs = KGDT64_R3_DATA;
ThreadContext->SegEs = KGDT64_R3_DATA;
ThreadContext->SegFs = KGDT64_R3_CMTEB;
ThreadContext->SegGs = KGDT64_R3_DATA;
ThreadContext->SegSs = KGDT64_R0_DATA;
}
else
{
/* Initialize user mode segments */
ThreadContext->SegCs = KGDT64_R3_CODE | RPL_MASK;
ThreadContext->SegDs = KGDT64_R3_DATA | RPL_MASK;
ThreadContext->SegEs = KGDT64_R3_DATA | RPL_MASK;
ThreadContext->SegFs = KGDT64_R3_CMTEB | RPL_MASK;
ThreadContext->SegGs = KGDT64_R3_DATA | RPL_MASK;
ThreadContext->SegSs = KGDT64_R3_DATA | RPL_MASK;
}
ThreadContext->MxCsr = INITIAL_MXCSR;
/* Only the basic Context is initialized */
ThreadContext->ContextFlags = CONTEXT_CONTROL |
CONTEXT_INTEGER |
CONTEXT_SEGMENTS |
CONTEXT_FLOATING_POINT;
return;
}
NTSTATUS
NTAPI
RtlQueueApcWow64Thread(
_In_ HANDLE ThreadHandle,
_In_ PKNORMAL_ROUTINE ApcRoutine,
_In_opt_ PVOID NormalContext,
_In_opt_ PVOID SystemArgument1,
_In_opt_ PVOID SystemArgument2)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
}