mirror of https://github.com/acidanthera/audk.git
Modified PeiServicesTablePointerLib.h to match the Spec, and sync the c files with it.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6991 6f19259b-4bc3-4df7-8a09-765794883524
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@ -16,10 +16,13 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#define __PEI_SERVICES_TABLE_POINTER_LIB_H__
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#define __PEI_SERVICES_TABLE_POINTER_LIB_H__
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/**
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/**
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The function returns the pointer to PEI services.
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Retrieves the cached value of the PEI Services Table pointer.
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The function returns the pointer to PEI services.
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Returns the cached value of the PEI Services Table pointer in a CPU specific manner
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It will ASSERT() if the pointer to PEI services is NULL.
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as specified in the CPU binding section of the Platform Initialization Pre-EFI
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Initialization Core Interface Specification.
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If the cached PEI Services Table pointer is NULL, then ASSERT().
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@return The pointer to PeiServices.
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@return The pointer to PeiServices.
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@ -31,8 +34,13 @@ GetPeiServicesTablePointer (
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);
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);
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/**
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/**
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The function set the pointer of PEI services immediately preceding the IDT table
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Caches a pointer PEI Services Table.
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according to PI specification.
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Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer
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in a CPU specific manner as specified in the CPU binding section of the Platform Initialization
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Pre-EFI Initialization Core Interface Specification.
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If PeiServicesTablePointer is NULL, then ASSERT().
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@param PeiServicesTablePointer The address of PeiServices pointer.
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@param PeiServicesTablePointer The address of PeiServices pointer.
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**/
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**/
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@ -22,8 +22,13 @@
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CONST EFI_PEI_SERVICES **gPeiServices;
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CONST EFI_PEI_SERVICES **gPeiServices;
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/**
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/**
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The function set the pointer of PEI services immediately preceding the IDT table
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Caches a pointer PEI Services Table.
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according to PI specification.
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Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer
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in a CPU specific manner as specified in the CPU binding section of the Platform Initialization
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Pre-EFI Initialization Core Interface Specification.
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If PeiServicesTablePointer is NULL, then ASSERT().
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@param PeiServicesTablePointer The address of PeiServices pointer.
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@param PeiServicesTablePointer The address of PeiServices pointer.
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**/
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**/
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@ -33,16 +38,20 @@ SetPeiServicesTablePointer (
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IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
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IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
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)
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)
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{
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{
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ASSERT (PeiServicesTablePointer != NULL);
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gPeiServices = PeiServicesTablePointer;
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gPeiServices = PeiServicesTablePointer;
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}
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}
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/**
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/**
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The function returns the pointer to PEI services.
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Retrieves the cached value of the PEI Services Table pointer.
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The function returns the pointer to PEI services.
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Returns the cached value of the PEI Services Table pointer in a CPU specific manner
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It will ASSERT() if the pointer to PEI services is NULL.
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as specified in the CPU binding section of the Platform Initialization Pre-EFI
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Initialization Core Interface Specification.
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If the cached PEI Services Table pointer is NULL, then ASSERT().
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@retval The pointer to PeiServices.
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@return The pointer to PeiServices.
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**/
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**/
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CONST EFI_PEI_SERVICES **
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CONST EFI_PEI_SERVICES **
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@ -22,12 +22,15 @@
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#include <Library/DebugLib.h>
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#include <Library/DebugLib.h>
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/**
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/**
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The function returns the pointer to PEI services.
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Retrieves the cached value of the PEI Services Table pointer.
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The function returns the pointer to PEI services.
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Returns the cached value of the PEI Services Table pointer in a CPU specific manner
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It will ASSERT() if the pointer to PEI services is NULL.
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as specified in the CPU binding section of the Platform Initialization Pre-EFI
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Initialization Core Interface Specification.
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If the cached PEI Services Table pointer is NULL, then ASSERT().
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@retval The pointer to PeiServices.
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@return The pointer to PeiServices.
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**/
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**/
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CONST EFI_PEI_SERVICES **
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CONST EFI_PEI_SERVICES **
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@ -46,9 +49,16 @@ GetPeiServicesTablePointer (
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}
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}
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/**
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/**
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Caches a pointer PEI Services Table.
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Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer
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in a CPU specific manner as specified in the CPU binding section of the Platform Initialization
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Pre-EFI Initialization Core Interface Specification.
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The function set the pointer of PEI services immediately preceding the IDT table
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The function set the pointer of PEI services immediately preceding the IDT table
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according to PI specification.
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according to PI specification.
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If PeiServicesTablePointer is NULL, then ASSERT().
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@param PeiServicesTablePointer The address of PeiServices pointer.
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@param PeiServicesTablePointer The address of PeiServices pointer.
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**/
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**/
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VOID
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VOID
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@ -59,6 +69,7 @@ SetPeiServicesTablePointer (
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{
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{
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IA32_DESCRIPTOR Idtr;
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IA32_DESCRIPTOR Idtr;
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ASSERT (PeiServicesTablePointer != NULL);
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AsmReadIdtr (&Idtr);
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AsmReadIdtr (&Idtr);
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(*(UINTN*)(Idtr.Base - sizeof (UINTN))) = (UINTN)PeiServicesTablePointer;
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(*(UINTN*)(Idtr.Base - sizeof (UINTN))) = (UINTN)PeiServicesTablePointer;
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}
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}
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@ -18,10 +18,13 @@
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#include <Library/DebugLib.h>
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#include <Library/DebugLib.h>
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/**
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/**
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The function returns the pointer to PEI services.
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Retrieves the cached value of the PEI Services Table pointer.
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The function returns the pointer to PEI services.
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Returns the cached value of the PEI Services Table pointer in a CPU specific manner
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It will ASSERT() if the pointer to PEI services is NULL.
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as specified in the CPU binding section of the Platform Initialization Pre-EFI
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Initialization Core Interface Specification.
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If the cached PEI Services Table pointer is NULL, then ASSERT().
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@return The pointer to PeiServices.
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@return The pointer to PeiServices.
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@ -39,10 +42,18 @@ GetPeiServicesTablePointer (
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return PeiServices;
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return PeiServices;
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}
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}
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/**
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/**
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Caches a pointer PEI Services Table.
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Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer
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in a CPU specific manner as specified in the CPU binding section of the Platform Initialization
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Pre-EFI Initialization Core Interface Specification.
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The function set the pointer of PEI services in KR7 register
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The function set the pointer of PEI services in KR7 register
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according to PI specification.
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according to PI specification.
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If PeiServicesTablePointer is NULL, then ASSERT().
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@param PeiServicesTablePointer The address of PeiServices pointer.
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@param PeiServicesTablePointer The address of PeiServices pointer.
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**/
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**/
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VOID
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VOID
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@ -51,6 +62,7 @@ SetPeiServicesTablePointer (
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IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
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IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
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)
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)
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{
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{
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ASSERT (PeiServicesTablePointer != NULL);
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AsmWriteKr7 ((UINT64)(UINTN)PeiServicesTablePointer);
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AsmWriteKr7 ((UINT64)(UINTN)PeiServicesTablePointer);
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}
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}
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