Check in thunk driver to produce PI MP Services Protocol based on Framework MP Services Protocol.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9563 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -0,0 +1,154 @@
|
||||
#------------------------------------------------------------------------------
|
||||
# IA32 assembly file for AP startup vector.
|
||||
#
|
||||
# Copyright (c) 2009, Intel Corporation
|
||||
# All rights reserved. This program and the accompanying materials
|
||||
# are licensed and made available under the terms and conditions of the BSD License
|
||||
# which accompanies this distribution. The full text of the license may be found at
|
||||
# http://opensource.org/licenses/bsd-license.php
|
||||
#
|
||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
#
|
||||
#------------------------------------------------------------------------------
|
||||
|
||||
.equ VacantFlag, 0x0
|
||||
.equ NotVacantFlag, 0xff
|
||||
|
||||
.equ LockLocation, RendezvousFunnelProcEnd - RendezvousFunnelProcStart
|
||||
.equ StackStart, LockLocation + 0x04
|
||||
.equ StackSize, LockLocation + 0x08
|
||||
.equ RendezvousProc, LockLocation + 0x0C
|
||||
.equ GdtrProfile, LockLocation + 0x10
|
||||
.equ BufferStart, LockLocation + 0x18
|
||||
|
||||
#-------------------------------------------------------------------------------------
|
||||
#RendezvousFunnelProc procedure follows. All APs execute their procedure. This
|
||||
#procedure serializes all the AP processors through an Init sequence. It must be
|
||||
#noted that APs arrive here very raw...ie: real mode, no stack.
|
||||
#ALSO THIS PROCEDURE IS EXECUTED BY APs ONLY ON 16 BIT MODE. HENCE THIS PROC
|
||||
#IS IN MACHINE CODE.
|
||||
#-------------------------------------------------------------------------------------
|
||||
#RendezvousFunnelProc (&WakeUpBuffer,MemAddress);
|
||||
|
||||
ASM_GLOBAL ASM_PFX(RendezvousFunnelProc)
|
||||
ASM_PFX(RendezvousFunnelProc):
|
||||
RendezvousFunnelProcStart:
|
||||
|
||||
|
||||
# At this point CS = 0x(vv00) and ip= 0x0.
|
||||
|
||||
.byte 0x8c,0xc8 # mov ax, cs
|
||||
.byte 0x8e,0xd8 # mov ds, ax
|
||||
.byte 0x8e,0xc0 # mov es, ax
|
||||
.byte 0x8e,0xd0 # mov ss, ax
|
||||
.byte 0x33,0xc0 # xor ax, ax
|
||||
.byte 0x8e,0xe0 # mov fs, ax
|
||||
.byte 0x8e,0xe8 # mov gs, ax
|
||||
|
||||
# Switch to flat mode.
|
||||
|
||||
.byte 0xBE
|
||||
.word BufferStart
|
||||
.byte 0x66,0x8B,0xC # mov ecx,dword ptr [si] ; ECX is keeping the start address of wakeup buffer
|
||||
|
||||
.byte 0xFA # cli
|
||||
.byte 0xBE
|
||||
.word GdtrProfile
|
||||
.byte 0x66 # db 66h
|
||||
.byte 0x2E,0xF,0x1,0x14 # lgdt fword ptr cs:[si]
|
||||
|
||||
.byte 0x33,0xC0 # xor ax, ax
|
||||
.byte 0x8E,0xD8 # mov ds, ax
|
||||
.byte 0xF,0x20,0xC0 # mov eax, cr0 ; Get control register 0
|
||||
.byte 0x66,0x83,0xC8,0x1 # or eax, 000000001h ; Set PE bit (bit #0)
|
||||
.byte 0xF,0x22,0xC0 # mov cr0, eax
|
||||
|
||||
|
||||
#step-4:
|
||||
|
||||
FLAT32_JUMP:
|
||||
.byte 0x66
|
||||
.byte 0x67
|
||||
.byte 0xEA # far jump
|
||||
.long 0x0
|
||||
.word 0x10
|
||||
|
||||
ProtectedModeStart: # protected mode entry point
|
||||
|
||||
movw $0x8,%ax
|
||||
.byte 0x66
|
||||
movw %ax,%ds
|
||||
.byte 0x66
|
||||
movw %ax,%es
|
||||
.byte 0x66
|
||||
movw %ax,%fs
|
||||
.byte 0x66
|
||||
movw %ax,%gs
|
||||
.byte 0x66
|
||||
movw %ax,%ss # Flat mode setup.
|
||||
|
||||
|
||||
movl %esi,%edi
|
||||
addl $LockLocation, %edi
|
||||
movb $NotVacantFlag, %al
|
||||
TestLock:
|
||||
xchgb (%edi), %al
|
||||
cmpb $NotVacantFlag, %al
|
||||
jz TestLock
|
||||
|
||||
ProgramStack:
|
||||
movl %esi,%edi
|
||||
addl $StackSize, %edi
|
||||
movl (%edi), %eax
|
||||
movl %esi,%edi
|
||||
addl $StackStart, %edi
|
||||
addl (%edi), %eax
|
||||
movl %eax,%esp
|
||||
movl %eax, (%edi)
|
||||
|
||||
Releaselock:
|
||||
movb $VacantFlag, %al
|
||||
movl %esi,%edi
|
||||
addl $LockLocation, %edi
|
||||
xchgb (%edi), %al
|
||||
|
||||
#
|
||||
# Call C Function
|
||||
#
|
||||
movl %esi,%edi
|
||||
addl $RendezvousProc, %edi
|
||||
movl (%edi), %ebx
|
||||
|
||||
testl %ebx,%ebx
|
||||
jz GoToSleep
|
||||
call *%ebx # Call C function
|
||||
|
||||
#Step-6: Sleep
|
||||
|
||||
GoToSleep:
|
||||
|
||||
cli
|
||||
hlt
|
||||
jmp GoToSleep
|
||||
|
||||
RendezvousFunnelProcEnd:
|
||||
#-------------------------------------------------------------------------------------
|
||||
# AsmGetAddressMap (&AddressMap);
|
||||
#-------------------------------------------------------------------------------------
|
||||
ASM_GLOBAL ASM_PFX(AsmGetAddressMap)
|
||||
ASM_PFX(AsmGetAddressMap):
|
||||
|
||||
pushal
|
||||
movl %esp,%ebp
|
||||
|
||||
movl 0x24(%ebp), %ebx
|
||||
movl $RendezvousFunnelProcStart, (%ebx)
|
||||
movl $(ProtectedModeStart - RendezvousFunnelProcStart), 0x4(%ebx)
|
||||
movl $(FLAT32_JUMP - RendezvousFunnelProcStart), 0x8(%ebx)
|
||||
movl $0, 0x0c(%ebx)
|
||||
movl $0, 0x10(%ebx)
|
||||
movl $(RendezvousFunnelProcEnd - RendezvousFunnelProcStart), 0x14(%ebx)
|
||||
|
||||
popal
|
||||
ret
|
Reference in New Issue
Block a user