diff options
| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-10-09 08:16:53 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-10-09 08:16:53 +0000 |
| commit | 81c7803cf4a49ca2633c706b7630c1cf2d9e9b55 (patch) | |
| tree | c4f4dd9d4cf3a1e943acbbf85f80cd43a299bc41 /MdePkg/Include | |
| parent | d173d9c7616a5e7c3c7758e5692335dacfedebe1 (diff) | |
| download | edk2-platforms-81c7803cf4a49ca2633c706b7630c1cf2d9e9b55.tar.xz | |
PI Enabling: the address of PeiServices Pointer should be
1) Set to preceding of IDT table in PeiCore's entry
2) Migrate to preceding of new memory IDT table when memory is discovery
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4059 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include')
| -rw-r--r-- | MdePkg/Include/Library/PeiServicesTablePointerLib.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/PeiServicesTablePointerLib.h b/MdePkg/Include/Library/PeiServicesTablePointerLib.h index 7a602f9041..f6ced47265 100644 --- a/MdePkg/Include/Library/PeiServicesTablePointerLib.h +++ b/MdePkg/Include/Library/PeiServicesTablePointerLib.h @@ -30,11 +30,29 @@ GetPeiServicesTablePointer ( VOID
);
+/**
+ The function set the pointer of PEI services immediately preceding the IDT table
+ according to PI specification.
+
+ @param PeiServices The address of PeiServices pointer.
+**/
VOID
EFIAPI
SetPeiServicesTablePointer (
EFI_PEI_SERVICES ** PeiServicesTablePointer
);
+/**
+ After memory initialization in PEI phase, the IDT table in temporary memory should
+ be migrated to memory, and the address of PeiServicesPointer also need to be updated
+ immediately preceding the new IDT table.
+
+ @param PeiServices The address of PeiServices pointer.
+**/
+VOID
+MigrateIdtTable (
+ IN EFI_PEI_SERVICES **PeiServices
+ );
+
#endif
|