projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 1bc83266 HL |
1 | #------------------------------------------------------------------------------\r |
| 2 | #\r | |
| 3 | # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
| 5 | # Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>\r | |
| 6 | #\r | |
| f4dfad05 | 7 | # SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 1bc83266 HL |
8 | #\r |
| 9 | #------------------------------------------------------------------------------\r | |
| 10 | \r | |
| 13dc7fa5 | 11 | #include <AsmMacroIoLibV8.h>\r |
| 1bc83266 HL |
12 | \r |
| 13 | #/**\r | |
| 14 | # This allows the caller to switch the stack and return\r | |
| 15 | #\r | |
| 16 | # @param StackDelta Signed amount by which to modify the stack pointer\r | |
| 17 | #\r | |
| 18 | # @return Nothing. Goes to the Entry Point passing in the new parameters\r | |
| 19 | #\r | |
| 20 | #**/\r | |
| 21 | #VOID\r | |
| 22 | #EFIAPI\r | |
| 23 | #SecSwitchStack (\r | |
| 24 | # VOID *StackDelta\r | |
| 25 | # )#\r | |
| 26 | #\r | |
| 13dc7fa5 | 27 | ASM_FUNC(SecSwitchStack)\r |
| 1bc83266 HL |
28 | mov x1, sp\r |
| 29 | add x1, x0, x1\r | |
| 30 | mov sp, x1\r | |
| 31 | ret\r | |
| 32 | \r |