From 009f583fa00404ea243cc5b75f1a4ea4f6bc0c18 Mon Sep 17 00:00:00 2001
From: oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 22 Sep 2011 23:07:06 +0000
Subject: ArmPlatformPkg/Sec: Clean and Move all declaration into
 'SecInternal.h'

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12417 6f19259b-4bc3-4df7-8a09-765794883524
---
 ArmPlatformPkg/Sec/Exception.S |  6 +---
 ArmPlatformPkg/Sec/Sec.c       | 62 +++++++++++-------------------------------
 2 files changed, 17 insertions(+), 51 deletions(-)

(limited to 'ArmPlatformPkg')

diff --git a/ArmPlatformPkg/Sec/Exception.S b/ArmPlatformPkg/Sec/Exception.S
index c1fd14d49b..bdcdeff741 100644
--- a/ArmPlatformPkg/Sec/Exception.S
+++ b/ArmPlatformPkg/Sec/Exception.S
@@ -15,18 +15,14 @@
 #include <Base.h>
 #include <AutoGen.h>
 
-#start of the code section
 .text
 .align 5
 
-# IMPORT
 GCC_ASM_IMPORT(SecCommonExceptionEntry)
-
-# EXPORT
 GCC_ASM_EXPORT(SecVectorTable)
 
 //============================================================
-//Default Exception Handlers
+// Default Exception Handlers
 //============================================================
   
   
diff --git a/ArmPlatformPkg/Sec/Sec.c b/ArmPlatformPkg/Sec/Sec.c
index 07fe5ca43c..1da26356fc 100644
--- a/ArmPlatformPkg/Sec/Sec.c
+++ b/ArmPlatformPkg/Sec/Sec.c
@@ -1,5 +1,5 @@
 /** @file
-*  Main file supporting the SEC Phase for Versatile Express
+*  Main file supporting the SEC Phase on ARM Platforms
 *
 *  Copyright (c) 2011, ARM Limited. All rights reserved.
 *  
@@ -13,55 +13,21 @@
 *
 **/
 
-#include <Library/DebugLib.h>
 #include <Library/DebugAgentLib.h>
 #include <Library/PcdLib.h>
 #include <Library/PrintLib.h>
-#include <Library/BaseLib.h>
 #include <Library/BaseMemoryLib.h>
 #include <Library/ArmLib.h>
 #include <Library/SerialPortLib.h>
 #include <Library/ArmPlatformLib.h>
-
-#include <Chipset/ArmV7.h>
 #include <Library/ArmGicLib.h>
 
+#include "SecInternal.h"
+
 #define SerialPrint(txt)  SerialPortWrite ((UINT8*)txt, AsciiStrLen(txt)+1);
 
 extern VOID *monitor_vector_table;
 
-VOID
-ArmSetupGicNonSecure (
-  IN  INTN          GicDistributorBase,
-  IN  INTN          GicInterruptInterfaceBase
-);
-
-// Vector Table for Sec Phase
-VOID
-SecVectorTable (
-  VOID
-  );
-
-VOID
-NonSecureWaitForFirmware (
-  VOID
-  );
-
-VOID
-enter_monitor_mode(
-  IN VOID* Stack
-  );
-
-VOID
-return_from_exception (
-  IN UINTN NonSecureBase
-  );
-
-VOID
-copy_cpsr_into_spsr (
-  VOID
-  );
-
 VOID
 CEntryPoint (
   IN  UINTN                     MpId
@@ -74,7 +40,7 @@ CEntryPoint (
   // Primary CPU clears out the SCU tag RAMs, secondaries wait
   if (IS_PRIMARY_CORE(MpId)) {
     if (FixedPcdGet32(PcdMPCoreSupport)) {
-      ArmInvalidScu();
+      ArmInvalidScu ();
     }
 
     // SEC phase needs to run library constructors by hand. This assumes we are linked against the SerialLib
@@ -97,20 +63,20 @@ CEntryPoint (
   // Invalidate the data cache. Doesn't have to do the Data cache clean.
   ArmInvalidateDataCache();
 
-  //Invalidate Instruction Cache
+  // Invalidate Instruction Cache
   ArmInvalidateInstructionCache();
 
-  //Invalidate I & D TLBs
+  // Invalidate I & D TLBs
   ArmInvalidateInstructionAndDataTlb();
 
   // Enable Full Access to CoProcessors
   ArmWriteCPACR (CPACR_CP_FULL_ACCESS);
 
   // Enable SWP instructions
-  ArmEnableSWPInstruction();
+  ArmEnableSWPInstruction ();
 
   // Enable program flow prediction, if supported.
-  ArmEnableBranchPrediction();
+  ArmEnableBranchPrediction ();
 
   if (FixedPcdGet32(PcdVFPEnabled)) {
     ArmEnableVFP();
@@ -133,7 +99,11 @@ CEntryPoint (
   }
 
   // Test if Trustzone is supported on this platform
-  if (ArmPlatformTrustzoneSupported()) {
+  if (ArmPlatformTrustzoneSupported ()) {
+    // Ensure the Monitor Stack Base & Size have been set
+    ASSERT(PcdGet32(PcdCPUCoresSecMonStackBase) != 0);
+    ASSERT(PcdGet32(PcdCPUCoreSecMonStackSize) != 0);
+
     if (FixedPcdGet32(PcdMPCoreSupport)) {
       // Setup SMP in Non Secure world
       ArmSetupSmpNonSecure (GET_CORE_ID(MpId));
@@ -148,7 +118,7 @@ CEntryPoint (
     //-------------------- Monitor Mode ---------------------
     // Setup the Trustzone Chipsets
     if (IS_PRIMARY_CORE(MpId)) {
-      ArmPlatformTrustzoneInit();
+      ArmPlatformTrustzoneInit ();
 
       // Wake up the secondary cores by sending a interrupt to everyone else
       // NOTE 1: The Software Generated Interrupts are always enabled on Cortex-A9
@@ -185,11 +155,11 @@ CEntryPoint (
     //   - Enable Access to Preload Engine in NS World
     //   - Enable lockable TLB entries allocation in NS world
     //   - Enable R/W access to SMP bit of Auxiliary Control Register in NS world
-    ArmWriteNsacr(NSACR_NS_SMP | NSACR_TL | NSACR_PLE | NSACR_CP(10) | NSACR_CP(11));
+    ArmWriteNsacr (NSACR_NS_SMP | NSACR_TL | NSACR_PLE | NSACR_CP(10) | NSACR_CP(11));
 
     // CP15 Secure Configuration Register with Non Secure bit (SCR_NS), CPSR.A modified in any
     // security state (SCR_AW), CPSR.F modified in any security state (SCR_FW)
-    ArmWriteScr(SCR_NS | SCR_FW | SCR_AW);
+    ArmWriteScr (SCR_NS | SCR_FW | SCR_AW);
   } else {
     if (IS_PRIMARY_CORE(MpId)) {
       SerialPrint ("Trust Zone Configuration is disabled\n\r");
-- 
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