diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/Include/Library/FspSwitchStackLib.h | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/Include/Library/FspSwitchStackLib.h')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/Include/Library/FspSwitchStackLib.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/Include/Library/FspSwitchStackLib.h b/src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/Include/Library/FspSwitchStackLib.h new file mode 100644 index 00000000..259a5760 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/IntelFsp2Pkg/Include/Library/FspSwitchStackLib.h @@ -0,0 +1,55 @@ +/** @file + + Copyright (c) 2014 - 2020, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _FSP_SWITCH_STACK_LIB_H_ +#define _FSP_SWITCH_STACK_LIB_H_ + +/** + + This function will switch the current stack to the previous saved stack. + Before calling the previous stack has to be set in FSP_GLOBAL_DATA.CoreStack. + EIP + FLAGS 16 bit FLAGS 16 bit + EDI + ESI + EBP + ESP + EBX + EDX + ECX + EAX + DWORD IDT base1 + StackPointer: DWORD IDT base2 + + @return ReturnKey After switching to the saved stack, + this value will be saved in eax before returning. + + +**/ +UINT32 +EFIAPI +Pei2LoaderSwitchStack ( + VOID + ); + +/** + + This function is equivalent to Pei2LoaderSwitchStack () but just indicates + the stack after switched is FSP stack. + + @return ReturnKey After switching to the saved stack, + this value will be saved in eax before returning. + + +**/ +UINT32 +EFIAPI +Loader2PeiSwitchStack ( + VOID + ); + +#endif |