Remove ArmEbPkg and replace with ArmRealViewEbPkg. Ported ArmRealViewEbPkg to have...

[mirror_edk2.git] / ArmRealViewEbPkg / SecForPei / Sec.c

diff --git a/ArmRealViewEbPkg/SecForPei/Sec.c b/ArmRealViewEbPkg/SecForPei/Sec.c
new file mode 100755 (executable)
index 0000000..fbe5b9a
--- /dev/null
+++ b/ArmRealViewEbPkg/SecForPei/Sec.c
@@ -0,0 +1,119 @@
+/** @file\r
+  C Entry point for the SEC. First C code after the reset vector.\r
+\r
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+  \r
+  This program and the accompanying materials\r
+  are licensed and made available under the terms and conditions of the BSD License\r
+  which accompanies this distribution.  The full text of the license may be found at\r
+  http://opensource.org/licenses/bsd-license.php\r
+\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <PiPei.h>\r
+#include <Ppi/TemporaryRamSupport.h>\r
+#include <Library/PcdLib.h>\r
+#include <Library/IoLib.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <ArmEb/ArmEb.h>\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+SecTemporaryRamSupport (\r
+  IN CONST EFI_PEI_SERVICES   **PeiServices,\r
+  IN EFI_PHYSICAL_ADDRESS     TemporaryMemoryBase,\r
+  IN EFI_PHYSICAL_ADDRESS     PermanentMemoryBase,\r
+  IN UINTN                    CopySize\r
+  );\r
+\r
+VOID\r
+SecSwitchStack (\r
+  INTN    StackDelta\r
+  );\r
+\r
+TEMPORARY_RAM_SUPPORT_PPI   mSecTemporaryRamSupportPpi = {SecTemporaryRamSupport};\r
+\r
+EFI_PEI_PPI_DESCRIPTOR      gSecPpiTable[] = {\r
+  {\r
+    EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
+    &gEfiTemporaryRamSupportPpiGuid,\r
+    &mSecTemporaryRamSupportPpi\r
+  }\r
+};\r
+\r
+\r
+VOID\r
+EFIAPI \r
+_ModuleEntryPoint(\r
+  VOID\r
+  );\r
+\r
+VOID\r
+CEntryPoint (\r
+  IN  UINTN                     TempRamBase,\r
+  IN  UINTN                     TempRamSize,\r
+  IN  EFI_PEI_CORE_ENTRY_POINT  PeiCoreEntryPoint\r
+  )\r
+{\r
+  EFI_SEC_PEI_HAND_OFF        SecCoreData;\r
+\r
+  // Turn off remapping NOR to 0. We can will now see DRAM in low memory (although it is not yet initialized)\r
+  // note: this makes SEC platform-specific for the EB platform\r
+  MmioOr32 (0x10001000 ,BIT8); //EB_SP810_CTRL_BASE\r
+  \r
+  //\r
+  // Bind this information into the SEC hand-off state\r
+  // Note: this must be in sync with the stuff in the asm file\r
+  // Note also:  HOBs (pei temp ram) MUST be above stack\r
+  //\r
+  SecCoreData.DataSize               = sizeof(EFI_SEC_PEI_HAND_OFF);\r
+  SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet32 (PcdEmbeddedFdBaseAddress);\r
+  SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdEmbeddedFdSize);\r
+  SecCoreData.TemporaryRamBase       = (VOID*)(UINTN)TempRamBase; \r
+  SecCoreData.TemporaryRamSize       = TempRamSize;\r
+  SecCoreData.PeiTemporaryRamBase    = (VOID *)(UINTN)(SecCoreData.TemporaryRamBase + (SecCoreData.TemporaryRamSize / 2));\r
+  SecCoreData.PeiTemporaryRamSize    = SecCoreData.TemporaryRamSize / 2;\r
+  SecCoreData.StackBase              = (VOID *)(UINTN)(SecCoreData.TemporaryRamBase);\r
+  SecCoreData.StackSize              = SecCoreData.TemporaryRamSize - SecCoreData.PeiTemporaryRamSize;\r
+  \r
+  // jump to pei core entry point\r
+  (PeiCoreEntryPoint)(&SecCoreData, (VOID *)&gSecPpiTable);\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+SecTemporaryRamSupport (\r
+  IN CONST EFI_PEI_SERVICES   **PeiServices,\r
+  IN EFI_PHYSICAL_ADDRESS     TemporaryMemoryBase,\r
+  IN EFI_PHYSICAL_ADDRESS     PermanentMemoryBase,\r
+  IN UINTN                    CopySize\r
+  )\r
+{\r
+  //\r
+  // Migrate the whole temporary memory to permenent memory.\r
+  // \r
+  CopyMem (\r
+    (VOID*)(UINTN)PermanentMemoryBase, \r
+    (VOID*)(UINTN)TemporaryMemoryBase, \r
+    CopySize\r
+    );\r
+\r
+  SecSwitchStack((UINTN)(PermanentMemoryBase - TemporaryMemoryBase));\r
+\r
+  //\r
+  // We need *not* fix the return address because currently, \r
+  // The PeiCore is excuted in flash.\r
+  //\r
+\r
+  //\r
+  // Simulate to invalid temporary memory, terminate temporary memory\r
+  // \r
+  //ZeroMem ((VOID*)(UINTN)TemporaryMemoryBase, CopySize);\r
+  \r
+  return EFI_SUCCESS;\r
+}\r
+\r