Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / reactos / dll / win32 / kernel32 / client / i386 / fiber.S

diff --git a/reactos/dll/win32/kernel32/client/i386/fiber.S b/reactos/dll/win32/kernel32/client/i386/fiber.S
deleted file mode 100644 (file)
index 251ca9f..0000000
--- a/reactos/dll/win32/kernel32/client/i386/fiber.S
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * COPYRIGHT:   See COPYING in the top level directory
- * PROJECT:     ReactOS system libraries
- * FILE:        dll/win32/kernel32/client/i386/fiber.S
- * PURPOSE:     Fiber context switch code for the x86 architecture
- * PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
- *              KJK::Hyperion <noog@libero.it>
- */
-
-#include <asm.inc>
-#include <ks386.inc>
-
-EXTERN _BaseThreadStartup@8:PROC
-
-.code
-
-PUBLIC _BaseFiberStartup@0
-FUNC _BaseFiberStartup@0
-    FPO 0, 0, 0, 0, 0, FRAME_FPO
-
-    /* Note that EBP is already zeroed for us during fiber creation */
-
-    /* Get the fiber data */
-    mov eax, fs:[TEB_FIBER_DATA]
-
-    /* Start the thread with our parameters */
-    push dword ptr [eax+FIBER_CONTEXT_EBX]
-    push dword ptr [eax+FIBER_CONTEXT_EAX]
-    push 0
-    jmp _BaseThreadStartup@8
-
-ENDFUNC
-
-
-PUBLIC _SwitchToFiber@4
-FUNC _SwitchToFiber@4
-    FPO 0, 0, 0, 0, 0, FRAME_FPO
-
-    /* Get the TEB */
-    mov edx, fs:[TEB_SELF]
-
-    /* Get the Fiber */
-    mov eax, [edx+TEB_FIBER_DATA]
-
-    /* Save the non-volatile registers */
-    mov [eax+FIBER_CONTEXT_EBX], ebx
-    mov [eax+FIBER_CONTEXT_ESI], esi
-    mov [eax+FIBER_CONTEXT_EDI], edi
-    mov [eax+FIBER_CONTEXT_EBP], ebp
-
-    /* Check if we're to save FPU State */
-    cmp dword ptr [eax+FIBER_CONTEXT_FLAGS], CONTEXT_FULL OR CONTEXT_FLOATING_POINT
-    jnz NoFpuStateSave
-
-    /* Save the FPU State (Status and Control)*/
-    fstsw [eax+FIBER_CONTEXT_FLOAT_SAVE_STATUS_WORD]
-    fnstcw [eax+FIBER_CONTEXT_FLOAT_SAVE_CONTROL_WORD]
-
-    /* Check if the CPU supports SIMD MXCSR State Save */
-    cmp byte ptr ds:[USER_SHARED_DATA + USER_SHARED_DATA_PROCESSOR_FEATURES + PF_XMMI_INSTRUCTIONS_AVAILABLE], 1
-    jnz NoFpuStateSave
-    stmxcsr [eax+FIBER_CONTEXT_DR6]
-
-NoFpuStateSave:
-
-    /* Save stack since we're not touching it anymore */
-    mov [eax+FIBER_CONTEXT_ESP], esp
-
-    /* Transfer some data from the TEB */
-    mov ecx, [edx+TEB_FLS_DATA]
-    mov [eax+FIBER_FLS_DATA], ecx
-    mov ecx, [edx+TEB_ACTIVATION_CONTEXT_STACK_POINTER]
-    mov [eax+FIBER_ACTIVATION_CONTEXT_STACK], ecx
-
-    /* Transfer some data related to the Stack */
-    mov ecx, [edx+TEB_EXCEPTION_LIST]
-    mov [eax+FIBER_EXCEPTION_LIST], ecx
-    mov ecx, [edx+TEB_STACK_LIMIT]
-    mov [eax+FIBER_STACK_LIMIT], ecx
-    mov ecx, [edx+TEB_GUARANTEED_STACK_BYTES]
-    mov [eax+FIBER_GUARANTEED_STACK_BYTES], ecx
-
-    /* Switch to the new fiber */
-    mov ecx, [esp+4]
-    mov [edx+TEB_FIBER_DATA], ecx
-
-    /* Switch Fiber Data */
-    mov esi, [ecx+FIBER_EXCEPTION_LIST]
-    mov [edx+TEB_EXCEPTION_LIST], esi
-    mov esi, [ecx+FIBER_STACK_BASE]
-    mov [edx+TEB_STACK_BASE], esi
-    mov esi, [ecx+FIBER_STACK_LIMIT]
-    mov [edx+TEB_STACK_LIMIT], esi
-    mov esi, [ecx+FIBER_DEALLOCATION_STACK]
-    mov [edx+TEB_DEALLOCATION_STACK], esi
-    mov esi, [ecx+FIBER_GUARANTEED_STACK_BYTES]
-    mov [edx+TEB_GUARANTEED_STACK_BYTES], esi
-    mov esi, [ecx+FIBER_ACTIVATION_CONTEXT_STACK]
-    mov [edx+TEB_ACTIVATION_CONTEXT_STACK_POINTER], esi
-
-    /* Restore FPU State */
-    cmp dword ptr [eax+FIBER_CONTEXT_FLAGS], CONTEXT_FULL OR CONTEXT_FLOATING_POINT
-    jnz NoFpuStateRestore
-
-    /* Check if the Status Word Changed */
-    mov esi, [eax+FIBER_CONTEXT_FLOAT_SAVE_STATUS_WORD]
-    cmp si, word ptr [ecx+FIBER_CONTEXT_FLOAT_SAVE_STATUS_WORD]
-    jnz StatusWordChanged
-
-    /* Check if the Control Word Changed */
-    mov esi, [eax+FIBER_CONTEXT_FLOAT_SAVE_CONTROL_WORD]
-    cmp si, word ptr [ecx+FIBER_CONTEXT_FLOAT_SAVE_CONTROL_WORD]
-    jz ControlWordEqual
-
-StatusWordChanged:
-
-    /* Load the new one */
-    mov word ptr [ecx+FIBER_CONTEXT_FLOAT_SAVE_TAG_WORD], HEX(FFFF)
-    fldenv [ecx+FIBER_CONTEXT_FLOAT_SAVE_CONTROL_WORD]
-
-ControlWordEqual:
-
-    /* Load the new one */
-    cmp byte ptr ds:[USER_SHARED_DATA + USER_SHARED_DATA_PROCESSOR_FEATURES + PF_XMMI_INSTRUCTIONS_AVAILABLE], 1
-    jnz NoFpuStateRestore
-    ldmxcsr [ecx+FIBER_CONTEXT_DR6]
-
-NoFpuStateRestore:
-
-    /* Restore non-volatile registers */
-    mov esi, [ecx+FIBER_CONTEXT_ESI]
-    mov edi, [ecx+FIBER_CONTEXT_EDI]
-    mov ebx, [ecx+FIBER_CONTEXT_EBX]
-    mov ebp, [ecx+FIBER_CONTEXT_EBP]
-    mov esp, [ecx+FIBER_CONTEXT_ESP]
-
-    /* Restore FLS Data */
-    mov eax, [ecx+FIBER_FLS_DATA]
-    mov [edx+TEB_FLS_DATA], eax
-
-    /* Jump to new fiber */
-    mov esp, [ecx+FIBER_CONTEXT_ESP]
-    ret 4
-
-ENDFUNC
-
-END
-/* EOF */