apply for doxgen format.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5038 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
@@ -1,24 +1,17 @@
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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EbcSupport.c
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Abstract:
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/** @file
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This module contains EBC support routines that are customized based on
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the target x64 processor.
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--*/
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "EbcInt.h"
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#include "EbcExecute.h"
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@@ -45,7 +38,7 @@ PushU64 (
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Routine Description:
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Push a 64 bit unsigned value to the VM stack.
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Arguments:
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VmPtr - The pointer to current VM context.
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@@ -54,7 +47,7 @@ Arguments:
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Returns:
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VOID
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--*/
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{
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//
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@@ -66,6 +59,19 @@ Returns:
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return;
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}
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/**
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Begin executing an EBC image. The address of the entry point is passed
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in via a processor register, so we'll need to make a call to get the
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value.
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This is a thunk function. Microsoft x64 compiler only provide fast_call
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calling convention, so the first four arguments are passed by rcx, rdx,
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r8, and r9, while other arguments are passed in stack.
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@return The value returned by the EBC application we're going to run.
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**/
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STATIC
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UINT64
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EbcInterpret (
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@@ -86,25 +92,6 @@ EbcInterpret (
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UINTN Arg15,
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UINTN Arg16
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)
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/*++
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Routine Description:
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Begin executing an EBC image. The address of the entry point is passed
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in via a processor register, so we'll need to make a call to get the
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value.
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Arguments:
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This is a thunk function. Microsoft x64 compiler only provide fast_call
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calling convention, so the first four arguments are passed by rcx, rdx,
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r8, and r9, while other arguments are passed in stack.
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Returns:
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The value returned by the EBC application we're going to run.
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--*/
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{
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//
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// Create a new VM context on the stack
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@@ -140,7 +127,7 @@ Returns:
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//
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// Adjust the VM's stack pointer down.
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//
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Status = GetEBCStack((EFI_HANDLE)(UINTN)-1, &VmContext.StackPool, &StackIndex);
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if (EFI_ERROR(Status)) {
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return Status;
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@@ -225,30 +212,25 @@ Returns:
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return (UINT64) VmContext.R[7];
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}
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/**
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Begin executing an EBC image. The address of the entry point is passed
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in via a processor register, so we'll need to make a call to get the
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value.
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@param ImageHandle image handle for the EBC application we're executing
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@param SystemTable standard system table passed into an driver's entry
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point
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@return The value returned by the EBC application we're going to run.
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**/
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STATIC
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UINT64
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ExecuteEbcImageEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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/*++
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Routine Description:
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Begin executing an EBC image. The address of the entry point is passed
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in via a processor register, so we'll need to make a call to get the
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value.
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Arguments:
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ImageHandle - image handle for the EBC application we're executing
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SystemTable - standard system table passed into an driver's entry point
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Returns:
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The value returned by the EBC application we're going to run.
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--*/
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{
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//
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// Create a new VM context on the stack
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@@ -344,6 +326,17 @@ Returns:
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return (UINT64) VmContext.R[7];
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}
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/**
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Create an IA32 thunk for the given EBC entry point.
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@param ImageHandle Handle of image for which this thunk is being created
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@param EbcEntryPoint Address of the EBC code that the thunk is to call
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@param Thunk Returned thunk we create here
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@return Standard EFI status.
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**/
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EFI_STATUS
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EbcCreateThunks (
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IN EFI_HANDLE ImageHandle,
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@@ -351,23 +344,6 @@ EbcCreateThunks (
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OUT VOID **Thunk,
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IN UINT32 Flags
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)
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/*++
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Routine Description:
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Create an IA32 thunk for the given EBC entry point.
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Arguments:
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ImageHandle - Handle of image for which this thunk is being created
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EbcEntryPoint - Address of the EBC code that the thunk is to call
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Thunk - Returned thunk we create here
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Returns:
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Standard EFI status.
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--*/
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{
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UINT8 *Ptr;
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UINT8 *ThunkBase;
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@@ -496,6 +472,24 @@ Returns:
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return EFI_SUCCESS;
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}
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/**
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This function is called to execute an EBC CALLEX instruction.
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The function check the callee's content to see whether it is common native
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code or a thunk to another piece of EBC code.
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If the callee is common native code, use EbcLLCAllEXASM to manipulate,
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otherwise, set the VM->IP to target EBC code directly to avoid another VM
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be startup which cost time and stack space.
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@param VmPtr Pointer to a VM context.
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@param FuncAddr Callee's address
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@param NewStackPointer New stack pointer after the call
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@param FramePtr New frame pointer after the call
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@param Size The size of call instruction
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@return None.
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**/
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VOID
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EbcLLCALLEX (
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IN VM_CONTEXT *VmPtr,
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@@ -504,30 +498,6 @@ EbcLLCALLEX (
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IN VOID *FramePtr,
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IN UINT8 Size
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)
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/*++
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Routine Description:
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This function is called to execute an EBC CALLEX instruction.
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The function check the callee's content to see whether it is common native
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code or a thunk to another piece of EBC code.
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If the callee is common native code, use EbcLLCAllEXASM to manipulate,
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otherwise, set the VM->IP to target EBC code directly to avoid another VM
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be startup which cost time and stack space.
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Arguments:
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VmPtr - Pointer to a VM context.
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FuncAddr - Callee's address
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NewStackPointer - New stack pointer after the call
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FramePtr - New frame pointer after the call
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Size - The size of call instruction
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Returns:
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None.
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--*/
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{
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UINTN IsThunk;
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UINTN TargetEbcAddr;
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