X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseLib%2FArm%2FInternalSwitchStack.c;h=ef337a18390285450cc6de5b21c20530101bdd3f;hp=7b6351122fc6f4ed9ba3e96c0429d6e9acc42160;hb=ebd04fc2e526ddc76f17e05cb50798fbf448e52e;hpb=792a1534671f5e326a5add71eef4c6a7bd3a019c diff --git a/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c b/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c index 7b6351122f..ef337a1839 100644 --- a/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c +++ b/MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c @@ -1,59 +1,59 @@ -/** @file - SwitchStack() function for ARM. - - Copyright (c) 2006 - 2007, Intel Corporation
- Portions copyright (c) 2008-2009 Apple Inc.
- 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. - -**/ - -#include "BaseLibInternals.h" - -/** - Transfers control to a function starting with a new stack. - - Transfers control to the function specified by EntryPoint using the - new stack specified by NewStack and passing in the parameters specified - by Context1 and Context2. Context1 and Context2 are optional and may - be NULL. The function EntryPoint must never return. - Marker will be ignored on IA-32, x64, and EBC. - IPF CPUs expect one additional parameter of type VOID * that specifies - the new backing store pointer. - - If EntryPoint is NULL, then ASSERT(). - If NewStack is NULL, then ASSERT(). - - @param EntryPoint A pointer to function to call with the new stack. - @param Context1 A pointer to the context to pass into the EntryPoint - function. - @param Context2 A pointer to the context to pass into the EntryPoint - function. - @param NewStack A pointer to the new stack to use for the EntryPoint - function. - @param Marker VA_LIST marker for the variable argument list. - -**/ -VOID -EFIAPI -InternalSwitchStack ( - IN SWITCH_STACK_ENTRY_POINT EntryPoint, - IN VOID *Context1, OPTIONAL - IN VOID *Context2, OPTIONAL - IN VOID *NewStack, - IN VA_LIST Marker - ) - -{ - // - // Stack should be aligned with CPU_STACK_ALIGNMENT - // - ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0); - - InternalSwitchStackAsm (EntryPoint, Context1, Context2, NewStack); -} +/** @file + SwitchStack() function for ARM. + + Copyright (c) 2006 - 2007, Intel Corporation
+ Portions copyright (c) 2008-2009 Apple Inc.
+ 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. + +**/ + +#include "BaseLibInternals.h" + +/** + Transfers control to a function starting with a new stack. + + Transfers control to the function specified by EntryPoint using the + new stack specified by NewStack and passing in the parameters specified + by Context1 and Context2. Context1 and Context2 are optional and may + be NULL. The function EntryPoint must never return. + Marker will be ignored on IA-32, x64, and EBC. + IPF CPUs expect one additional parameter of type VOID * that specifies + the new backing store pointer. + + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + @param EntryPoint A pointer to function to call with the new stack. + @param Context1 A pointer to the context to pass into the EntryPoint + function. + @param Context2 A pointer to the context to pass into the EntryPoint + function. + @param NewStack A pointer to the new stack to use for the EntryPoint + function. + @param Marker VA_LIST marker for the variable argument list. + +**/ +VOID +EFIAPI +InternalSwitchStack ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack, + IN VA_LIST Marker + ) + +{ + // + // Stack should be aligned with CPU_STACK_ALIGNMENT + // + ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0); + + InternalSwitchStackAsm (EntryPoint, Context1, Context2, NewStack); +}