mirror of https://github.com/acidanthera/audk.git
Refine code for BasePalCallLibNull & PeiPalCallLib.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5506 6f19259b-4bc3-4df7-8a09-765794883524
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@ -2,7 +2,7 @@
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Template and Sample instance of PalCallLib.
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Copyright (c) 2006 - 2007, Intel Corporation
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@ -19,26 +19,16 @@
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/**
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Makes a PAL procedure call.
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This is a wrapper function to make a PAL procedure call. Based on the Index value,
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this API will make static or stacked PAL call. Architected procedures may be designated
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as required or optional. If a PAL procedure is specified as optional, a unique return
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code of 0xFFFFFFFFFFFFFFFF is returned in the Status field of the PAL_CALL_RETURN structure.
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This indicates that the procedure is not present in this PAL implementation. It is the
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caller's responsibility to check for this return code after calling any optional PAL
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procedure. No parameter checking is performed on the 4 input parameters, but there are
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some common rules that the caller should follow when making a PAL call. Any address
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passed to PAL as buffers for return parameters must be 8-byte aligned. Unaligned addresses
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may cause undefined results. For those parameters defined as reserved or some fields
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defined as reserved must be zero filled or the invalid argument return value may be
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returned or undefined result may occur during the execution of the procedure.
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This function is only available on IPF.
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This is a wrapper function to make a PAL procedure call.
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This is just a template as simple instance. It does not
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make real PAL call. It directly reports error if called.
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@param Index - The PAL procedure Index number.
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@param Arg2 - The 2nd parameter for PAL procedure calls.
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@param Arg3 - The 3rd parameter for PAL procedure calls.
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@param Arg4 - The 4th parameter for PAL procedure calls.
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@param Index The PAL procedure Index number.
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@param Arg2 The 2nd parameter for PAL procedure calls.
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@param Arg3 The 3rd parameter for PAL procedure calls.
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@param Arg4 The 4th parameter for PAL procedure calls.
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@return structure returned from the PAL Call procedure, including the status and return value.
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@return Structure returned from the PAL Call procedure, including the status and return value.
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**/
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PAL_CALL_RETURN
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@ -1,7 +1,7 @@
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/** @file
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PAL Call Services Function.
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Copyright (c) 2006 - 2007 Intel Corporation. All rights reserved
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Copyright (c) 2006 - 2008 Intel Corporation. All rights reserved
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This software and associated documentation (if any) is furnished
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under a license and may only be used or copied in accordance
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with the terms of the license. Except as permitted by such
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@ -26,8 +26,8 @@
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#include <Library/DebugLib.h>
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/**
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Makes a PAL procedure call.
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This is a wrapper function to make a PAL procedure call. Based on the Index value,
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this API will make static or stacked PAL call. Architected procedures may be designated
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as required or optional. If a PAL procedure is specified as optional, a unique return
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@ -42,12 +42,12 @@
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returned or undefined result may occur during the execution of the procedure.
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This function is only available on IPF.
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@param Index - The PAL procedure Index number.
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@param Arg2 - The 2nd parameter for PAL procedure calls.
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@param Arg3 - The 3rd parameter for PAL procedure calls.
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@param Arg4 - The 4th parameter for PAL procedure calls.
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@param Index The PAL procedure Index number.
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@param Arg2 The 2nd parameter for PAL procedure calls.
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@param Arg3 The 3rd parameter for PAL procedure calls.
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@param Arg4 The 4th parameter for PAL procedure calls.
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@return structure returned from the PAL Call procedure, including the status and return value.
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@return Structure returned from the PAL Call procedure, including the status and return value.
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**/
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PAL_CALL_RETURN
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@ -68,14 +68,13 @@ PalCall (
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UINT64 RecordSize;
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//
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// Get Pei Service Table Pointer
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// Get PEI Service Table Pointer
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//
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PeiServices = (CONST EFI_PEI_SERVICES **) GetPeiServicesTablePointer ();
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//
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// Locate SEC Ppi
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// Locate SEC Platform Information PPI
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//
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Status = PeiServicesLocatePpi (
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&gEfiSecPlatformInformationPpiGuid,
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0,
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@ -84,6 +83,9 @@ PalCall (
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Retrieve PAL call address from platform information reported by the PPI
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//
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RecordSize = sizeof (IpfStatus);
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SecPlatformPpi->PlatformInformation (
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PeiServices,
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