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1. add public functions header.

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2. apply for doxgen format for file header.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5043 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2008-04-11 03:36:07 +00:00
parent 987da59835
commit 7b414b4ed6
23 changed files with 1221 additions and 392 deletions
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50
MdeModulePkg/Universal/EbcDxe/x64/EbcLowLevel.S
View File

@@ -1,29 +1,17 @@
#****************************************************************************
#*
#* Copyright (c) 2006, 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.
#*
#****************************************************************************
#****************************************************************************
# REV 1.0
#****************************************************************************
#
# Rev Date Description
# --- -------- ------------------------------------------------------------
# 1.0 05/09/12 Initial creation of file.
#
#****************************************************************************
#* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
##/**@file
# This code provides low level routines that support the Virtual Machine
# for option ROMs.
#* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
# for option ROMs.
#
# Copyright (c) 2007 - 2008, 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.
#
#**/
#---------------------------------------------------------------------------
# Equate files needed.
@@ -36,10 +24,10 @@
#****************************************************************************
# EbcLLCALLEX
#
# This function is called to execute an EBC CALLEX instruction.
# This function is called to execute an EBC CALLEX instruction.
# This instruction requires that we thunk out to external native
# code. For x64, we switch stacks, copy the arguments to the stack
# and jump to the specified function.
# and jump to the specified function.
# On return, we restore the stack pointer to its original location.
#
# Destroys no working registers.
@@ -62,7 +50,7 @@ _EbcLLCALLEXNative:
sub %rsp, %r8
mov %rsp, %rcx
sub %rsp, 0x20
call _CopyMem
call _CopyMem
add %rsp, 0x20
# Considering the worst case, load 4 potiential arguments
@@ -86,7 +74,7 @@ _EbcLLCALLEXNative:
# Routine Description:
# The VM thunk code stuffs an EBC entry point into a processor
# register. Since we can't use inline assembly to get it from
# the interpreter C code, stuff it into the return value
# the interpreter C code, stuff it into the return value
# register and return.
#
# Arguments:
@@ -102,7 +90,7 @@ _EbcLLGetEbcEntryPoint:
#/*++
#
#Routine Description:
#
#
# Return the caller's value of the stack pointer.
#
#Arguments:
@@ -117,7 +105,7 @@ _EbcLLGetEbcEntryPoint:
#
#--*/
# UINTN EbcLLGetStackPointer()
# UINTN EbcLLGetStackPointer()
.global _EbcLLGetStackPointer;
_EbcLLGetStackPointer:
mov %rsp, %rax

60
MdeModulePkg/Universal/EbcDxe/x64/EbcLowLevel.asm
View File

@@ -1,31 +1,21 @@
;/** @file
; This code provides low level routines that support the Virtual Machine.
; for option ROMs.
;
; Copyright (c) 2006 - 2008, Intel Corporation. <BR>
; 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.
;
;**/
page ,132
title VM ASSEMBLY LANGUAGE ROUTINES
;****************************************************************************
;*
;* Copyright (c) 2006, 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.
;*
;****************************************************************************
;****************************************************************************
; REV 1.0
;****************************************************************************
;
; Rev Date Description
; --- -------- ------------------------------------------------------------
; 1.0 05/09/12 Initial creation of file.
;
;****************************************************************************
;* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
; This code provides low level routines that support the Virtual Machine
; for option ROMs.
;* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
;---------------------------------------------------------------------------
; Equate files needed.
@@ -40,10 +30,10 @@ text SEGMENT
;****************************************************************************
; EbcLLCALLEX
;
; This function is called to execute an EBC CALLEX instruction.
; This function is called to execute an EBC CALLEX instruction.
; This instruction requires that we thunk out to external native
; code. For x64, we switch stacks, copy the arguments to the stack
; and jump to the specified function.
; and jump to the specified function.
; On return, we restore the stack pointer to its original location.
;
; Destroys no working registers.
@@ -58,7 +48,7 @@ EbcLLCALLEXNative PROC PUBLIC
push rbx
mov rbp, rsp
; Function prolog
; Copy FuncAddr to a preserved register.
mov rbx, rcx
@@ -67,9 +57,9 @@ EbcLLCALLEXNative PROC PUBLIC
sub rsp, r8
mov rcx, rsp
sub rsp, 20h
call CopyMem
call CopyMem
add rsp, 20h
; Considering the worst case, load 4 potiential arguments
; into registers.
mov rcx, qword ptr [rsp]
@@ -79,7 +69,7 @@ EbcLLCALLEXNative PROC PUBLIC
; Now call the external routine
call rbx
; Function epilog
mov rsp, rbp
pop rbx
@@ -92,7 +82,7 @@ EbcLLCALLEXNative ENDP
; Routine Description:
; The VM thunk code stuffs an EBC entry point into a processor
; register. Since we can't use inline assembly to get it from
; the interpreter C code, stuff it into the return value
; the interpreter C code, stuff it into the return value
; register and return.
;
; Arguments:
@@ -108,7 +98,7 @@ EbcLLGetEbcEntryPoint ENDP
;/*++
;
;Routine Description:
;
;
; Return the caller's value of the stack pointer.
;
;Arguments:
@@ -123,7 +113,7 @@ EbcLLGetEbcEntryPoint ENDP
;
;--*/
; UINTN EbcLLGetStackPointer()
; UINTN EbcLLGetStackPointer()
EbcLLGetStackPointer PROC PUBLIC
mov rax, rsp ; get current stack pointer
; Stack adjusted by this much when we were called,