81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: Thread.cpp
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//
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// Note:
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//
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#include "hal.h"
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////////////////////////////////////////////////////////////// Thread Context.
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//
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void
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Struct_Microsoft_Singularity_X86_ThreadContext::
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m_UpdateAfterGC(Struct_Microsoft_Singularity_X86_ThreadContext * self,
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Class_System_Threading_Thread *thread)
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{
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self->_thread = thread;
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}
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Class_System_Threading_Thread *
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Struct_Microsoft_Singularity_X86_ThreadContext::
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m_GetThread(Struct_Microsoft_Singularity_X86_ThreadContext * self)
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{
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return self->_thread;
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}
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#if SINGULARITY_KERNEL
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void
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Struct_Microsoft_Singularity_X86_ThreadContext::
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m_Initialize(Struct_Microsoft_Singularity_X86_ThreadContext * self,
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int threadIndex,
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UIntPtr stack,
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uint32 cr3)
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{
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uintptr *esp = (uintptr*)stack;
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*--esp = 0;
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*--esp = 0;
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self->ebp = (uintptr)esp;
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self->esp = (uintptr)esp;
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self->eip = (uintptr)Class_System_Threading_Thread::g_ThreadStub;
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self->cs0 = (uintptr)(offsetof(Struct_Microsoft_Singularity_CpuInfo,GdtPC) -
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offsetof(Struct_Microsoft_Singularity_CpuInfo,GdtNull));
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self->ecx = threadIndex;
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self->cr3 = cr3;
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self->efl = Struct_Microsoft_Singularity_X86_EFlags_IF | Struct_Microsoft_Singularity_X86_EFlags_IOPL; // TODO: get rid of IOPL
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self->mmx.fcw = 0x037f;
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self->mmx.ftw = 0;
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// self->mmx.mxcsr = 0x1f80;
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}
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void
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Struct_Microsoft_Singularity_X86_ThreadContext::
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m_InitializeIdle(Struct_Microsoft_Singularity_X86_ThreadContext * self,
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int threadIndex,
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UIntPtr stack,
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uint32 cr3)
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{
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uintptr *esp = (uintptr*)stack;
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*--esp = 0;
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*--esp = 0;
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self->ebp = (uintptr)esp;
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self->esp = (uintptr)esp;
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self->eip = (uintptr)Class_System_Threading_Thread::g_ThreadIdleStub;
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self->cs0 = (uintptr)(offsetof(Struct_Microsoft_Singularity_CpuInfo,GdtPC) -
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offsetof(Struct_Microsoft_Singularity_CpuInfo,GdtNull));
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self->ecx = threadIndex;
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self->cr3 = cr3;
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self->efl = Struct_Microsoft_Singularity_X86_EFlags_IF | Struct_Microsoft_Singularity_X86_EFlags_IOPL; // TODO: get rid of IOPL
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self->mmx.fcw = 0x037f;
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self->mmx.ftw = 0;
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// self->mmx.mxcsr = 0x1f80;
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}
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#endif // SINGULARITY_KERNEL
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//
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///////////////////////////////////////////////////////////////// End of File.
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