ArmPlatformPkg: Add ArmPlatformGetPlatformPpiList()

This function exposes the Platform Specific PPIs. They can be used by
any PrePi modules or passed to the PeiCore by PrePeiCore



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12422 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 16 insertions, 4 deletions

diff --git a/ArmPlatformPkg/PrePeiCore/MainMPCore.c b/ArmPlatformPkg/PrePeiCore/MainMPCore.c
index 58eeef1c3a..25a11cf1bd 100644
--- a/ArmPlatformPkg/PrePeiCore/MainMPCore.c
+++ b/ArmPlatformPkg/PrePeiCore/MainMPCore.c
@@ -62,6 +62,12 @@ PrimaryMain (
   )

 {

   EFI_SEC_PEI_HAND_OFF        SecCoreData;

+  UINTN                       PpiListSize;

+  EFI_PEI_PPI_DESCRIPTOR      *PpiList;

+  UINTN                       TemporaryRamBase;

+  UINTN                       TemporaryRamSize;

+

+  CreatePpiList (&PpiListSize, &PpiList);

 

   // Enable the GIC Distributor

   ArmGicEnableDistributor(PcdGet32(PcdGicDistributorBase));

@@ -72,6 +78,12 @@ PrimaryMain (
     ArmGicSendSgiTo (PcdGet32(PcdGicDistributorBase), ARM_GIC_ICDSGIR_FILTER_EVERYONEELSE, 0x0E);

   }

 

+  // Adjust the Temporary Ram as the new Ppi List (Common + Platform Ppi Lists) is created at

+  // the base of the primary core stack

+  PpiListSize = ALIGN_VALUE(PpiListSize, 0x4);

+  TemporaryRamBase = (UINTN)PcdGet32 (PcdCPUCoresStackBase) + PpiListSize;

+  TemporaryRamSize = (UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize) - PpiListSize;

+

   //

   // Bind this information into the SEC hand-off state

   // Note: this must be in sync with the stuff in the asm file

@@ -80,13 +92,13 @@ PrimaryMain (
   SecCoreData.DataSize               = sizeof(EFI_SEC_PEI_HAND_OFF);

   SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet32 (PcdFvBaseAddress);

   SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdFvSize);

-  SecCoreData.TemporaryRamBase       = (VOID *)(UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize); // We consider we run on the primary core (and so we use the first stack)

-  SecCoreData.TemporaryRamSize       = (UINTN)(UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize);

-  SecCoreData.PeiTemporaryRamBase    = (VOID *)((UINTN)(SecCoreData.TemporaryRamBase) + (SecCoreData.TemporaryRamSize / 2));

+  SecCoreData.TemporaryRamBase       = (VOID *)TemporaryRamBase; // We run on the primary core (and so we use the first stack)

+  SecCoreData.TemporaryRamSize       = TemporaryRamSize;

+  SecCoreData.PeiTemporaryRamBase    = SecCoreData.TemporaryRamBase;

   SecCoreData.PeiTemporaryRamSize    = SecCoreData.TemporaryRamSize / 2;

   SecCoreData.StackBase              = (VOID *)((UINTN)(SecCoreData.TemporaryRamBase) + (SecCoreData.TemporaryRamSize/2));

   SecCoreData.StackSize              = SecCoreData.TemporaryRamSize / 2;

 

   // Jump to PEI core entry point

-  (PeiCoreEntryPoint)(&SecCoreData, (VOID *)&gSecPpiTable);

+  (PeiCoreEntryPoint)(&SecCoreData, PpiList);

 }