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authoroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-22 23:02:13 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-22 23:02:13 +0000
commit44e272fd6ab9d7b859588eeffc02b8cd78d3c76b (patch)
tree15902212232da6b49e36cbf5888d21b1efe03c9f /ArmPlatformPkg/Sec
parent0787bc6184631f20f8bf3b4abd61630a4a9bc672 (diff)
downloadedk2-platforms-44e272fd6ab9d7b859588eeffc02b8cd78d3c76b.tar.xz
ArmPlatformPkg/ArmPlatformLib: Introduce ArmPlatformSecBootAction function
This function is called at the initial stage of the Secure boot process to allow platform vendors to add early actions. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12413 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/Sec')
-rw-r--r--ArmPlatformPkg/Sec/SecEntryPoint.S12
-rw-r--r--ArmPlatformPkg/Sec/SecEntryPoint.asm12
2 files changed, 16 insertions, 8 deletions
diff --git a/ArmPlatformPkg/Sec/SecEntryPoint.S b/ArmPlatformPkg/Sec/SecEntryPoint.S
index 909f7fafbc..f8599393cb 100644
--- a/ArmPlatformPkg/Sec/SecEntryPoint.S
+++ b/ArmPlatformPkg/Sec/SecEntryPoint.S
@@ -30,6 +30,7 @@ GCC_ASM_EXPORT(_ModuleEntryPoint)
#global functions referenced by this module
GCC_ASM_IMPORT(CEntryPoint)
+GCC_ASM_IMPORT(ArmPlatformSecBootAction)
GCC_ASM_IMPORT(ArmPlatformIsMemoryInitialized)
GCC_ASM_IMPORT(ArmPlatformInitializeBootMemory)
GCC_ASM_IMPORT(ArmDisableInterrupts)
@@ -46,16 +47,19 @@ StartupAddr: .word ASM_PFX(CEntryPoint)
SecVectorTableAddr: .word ASM_PFX(SecVectorTable)
ASM_PFX(_ModuleEntryPoint):
- #Set VBAR to the start of the exception vectors in Secure Mode
- ldr r0, SecVectorTableAddr
- bl ASM_PFX(ArmWriteVBar)
-
# First ensure all interrupts are disabled
bl ASM_PFX(ArmDisableInterrupts)
# Ensure that the MMU and caches are off
bl ASM_PFX(ArmDisableCachesAndMmu)
+ # Jump to Platform Specific Boot Action function
+ blx ASM_PFX(ArmPlatformSecBootAction)
+
+ # Set VBAR to the start of the exception vectors in Secure Mode
+ ldr r0, =SecVectorTable
+ bl ASM_PFX(ArmWriteVBar)
+
_IdentifyCpu:
# Identify CPU ID
bl ASM_PFX(ArmReadMpidr)
diff --git a/ArmPlatformPkg/Sec/SecEntryPoint.asm b/ArmPlatformPkg/Sec/SecEntryPoint.asm
index b291e5062f..472abde7f2 100644
--- a/ArmPlatformPkg/Sec/SecEntryPoint.asm
+++ b/ArmPlatformPkg/Sec/SecEntryPoint.asm
@@ -20,6 +20,7 @@
INCLUDE AsmMacroIoLib.inc
IMPORT CEntryPoint
+ IMPORT ArmPlatformSecBootAction
IMPORT ArmPlatformIsMemoryInitialized
IMPORT ArmPlatformInitializeBootMemory
IMPORT ArmDisableInterrupts
@@ -39,16 +40,19 @@
StartupAddr DCD CEntryPoint
_ModuleEntryPoint
- //Set VBAR to the start of the exception vectors in Secure Mode
- ldr r0, =SecVectorTable
- blx ArmWriteVBar
-
// First ensure all interrupts are disabled
blx ArmDisableInterrupts
// Ensure that the MMU and caches are off
blx ArmDisableCachesAndMmu
+ // Jump to Platform Specific Boot Action function
+ blx ArmPlatformSecBootAction
+
+ // Set VBAR to the start of the exception vectors in Secure Mode
+ ldr r0, =SecVectorTable
+ blx ArmWriteVBar
+
_IdentifyCpu
// Identify CPU ID
bl ArmReadMpidr