mirror of
https://github.com/reactos/reactos.git
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116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Run-Time Library
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* PURPOSE: AMD64 stubs
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* FILE: lib/rtl/amd64/stubs.c
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* PROGRAMMERS: Stefan Ginsberg (stefan.ginsberg@reactos.org)
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*/
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/* INCLUDES *****************************************************************/
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#include <rtl.h>
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#define NDEBUG
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#include <debug.h>
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#include "amd64/ketypes.h"
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/* PUBLIC FUNCTIONS **********************************************************/
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/*
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* @unimplemented
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*/
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VOID
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NTAPI
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RtlInitializeContext(IN HANDLE ProcessHandle,
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OUT PCONTEXT ThreadContext,
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IN PVOID ThreadStartParam OPTIONAL,
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IN PTHREAD_START_ROUTINE ThreadStartAddress,
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IN PINITIAL_TEB StackBase)
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{
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ThreadContext->Rax = 0;
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ThreadContext->Rbx = 0;
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ThreadContext->Rcx = (ULONG64)ThreadStartParam;
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ThreadContext->Rdx = 0;
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ThreadContext->Rsi = 0;
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ThreadContext->Rdi = 0;
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ThreadContext->Rbp = 0;
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ThreadContext->R8 = 0;
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ThreadContext->R9 = 0;
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ThreadContext->R10 = 0;
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ThreadContext->R11 = 0;
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ThreadContext->R12 = 0;
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/* Set the Selectors */
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if ((LONG64)ThreadStartAddress < 0)
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{
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/* Initialize kernel mode segments */
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ThreadContext->SegCs = KGDT64_R0_CODE;
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ThreadContext->SegDs = KGDT64_R3_DATA;
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ThreadContext->SegEs = KGDT64_R3_DATA;
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ThreadContext->SegFs = KGDT64_R3_CMTEB;
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ThreadContext->SegGs = KGDT64_R3_DATA;
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ThreadContext->SegSs = KGDT64_R0_DATA;
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}
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else
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{
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/* Initialize user mode segments */
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ThreadContext->SegCs = KGDT64_R3_CODE | RPL_MASK;
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ThreadContext->SegDs = KGDT64_R3_DATA | RPL_MASK;
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ThreadContext->SegEs = KGDT64_R3_DATA | RPL_MASK;
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ThreadContext->SegFs = KGDT64_R3_CMTEB | RPL_MASK;
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ThreadContext->SegGs = KGDT64_R3_DATA | RPL_MASK;
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ThreadContext->SegSs = KGDT64_R3_DATA | RPL_MASK;
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}
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/* Enable Interrupts */
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ThreadContext->EFlags = EFLAGS_INTERRUPT_MASK;
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/* Settings passed */
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ThreadContext->Rip = (ULONG64)ThreadStartAddress;
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ThreadContext->Rsp = (ULONG64)StackBase - 6 * sizeof(PVOID);
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/* Align stack by 16 and substract 8 (unaligned on function entry) */
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ThreadContext->Rsp &= ~15;
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ThreadContext->Rsp -= 8;
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/* Only the basic Context is initialized */
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ThreadContext->ContextFlags = CONTEXT_CONTROL |
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CONTEXT_INTEGER |
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CONTEXT_SEGMENTS;
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return;
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}
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/*
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* @unimplemented
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*/
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PVOID
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NTAPI
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RtlpGetExceptionAddress(VOID)
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{
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UNIMPLEMENTED;
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return NULL;
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}
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/*
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* @unimplemented
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*/
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BOOLEAN
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NTAPI
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RtlDispatchException(IN PEXCEPTION_RECORD ExceptionRecord,
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IN PCONTEXT Context)
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{
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UNIMPLEMENTED;
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return FALSE;
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}
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NTSYSAPI
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VOID
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RtlRestoreContext(
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PCONTEXT ContextRecord,
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PEXCEPTION_RECORD ExceptionRecord)
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{
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UNIMPLEMENTED;
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}
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