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author | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
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committer | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
commit | b7c51c9cf4864df6aabb99a1ae843becd577237c (patch) | |
tree | eebe9b0d0ca03062955223097e57da84dd618b9a /EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/SwitchStack.c | |
download | zprj-master.tar.xz |
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/SwitchStack.c')
-rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/SwitchStack.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/SwitchStack.c b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/SwitchStack.c new file mode 100644 index 0000000..34f8dce --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/SwitchStack.c @@ -0,0 +1,58 @@ +/*++ + +Copyright (c) 2004 - 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. + + +Module Name: + + SwitchStack.c + +Abstract: + + Switch Stack functions. + +--*/ + +#include "BaseLibInternal.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. + + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + For IPF CPUs, if NewStack is not aligned on a 16-byte boundary, 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. + +**/ +VOID +EFIAPI +SwitchStack ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, + IN VOID *Context2, + IN VOID *NewStack + ) +{ + ASSERT (EntryPoint != NULL && NewStack != NULL); + + InternalSwitchStack (EntryPoint, Context1, Context2, NewStack); +} |