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| author | Liu, Zhiguang <Zhiguang.Liu@intel.com> | 2022-08-09 09:25:35 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-08-09 04:12:28 +0000 |
| commit | 0f7bccf584d93b2642c0a413a47fc821d1f5dbfd (patch) | |
| tree | 7a00d3cc937a3e676f9aeedb61ff500fa20213ad /MdeModulePkg/Include | |
| parent | 1da2012d938f141821740324e2dceee1b4cfa76d (diff) | |
| download | edk2-0f7bccf584d93b2642c0a413a47fc821d1f5dbfd.tar.gz edk2-0f7bccf584d93b2642c0a413a47fc821d1f5dbfd.tar.bz2 edk2-0f7bccf584d93b2642c0a413a47fc821d1f5dbfd.zip | |
UefiCpuPkg: Simplify InitializeSeparateExceptionStacks
Hide the Exception implementation details in CpuExcetionHandlerLib and
caller only need to provide buffer
Cc: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
Diffstat (limited to 'MdeModulePkg/Include')
| -rw-r--r-- | MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h b/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h index 9a495081f7..8d44ed916a 100644 --- a/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h +++ b/MdeModulePkg/Include/Library/CpuExceptionHandlerLib.h @@ -104,20 +104,23 @@ InitializeCpuExceptionHandlers ( /**
Setup separate stacks for certain exception handlers.
+ If the input Buffer and BufferSize are both NULL, use global variable if possible.
- InitData is optional and processor arch dependent.
-
- @param[in] InitData Pointer to data optional for information about how
- to assign stacks for certain exception handlers.
+ @param[in] Buffer Point to buffer used to separate exception stack.
+ @param[in, out] BufferSize On input, it indicates the byte size of Buffer.
+ If the size is not enough, the return status will
+ be EFI_BUFFER_TOO_SMALL, and output BufferSize
+ will be the size it needs.
@retval EFI_SUCCESS The stacks are assigned successfully.
@retval EFI_UNSUPPORTED This function is not supported.
-
+ @retval EFI_BUFFER_TOO_SMALL This BufferSize is too small.
**/
EFI_STATUS
EFIAPI
InitializeSeparateExceptionStacks (
- IN CPU_EXCEPTION_INIT_DATA *InitData OPTIONAL
+ IN VOID *Buffer,
+ IN OUT UINTN *BufferSize
);
/**
|