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-rwxr-xr-xArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.S13
-rwxr-xr-xArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.asm13
-rwxr-xr-xArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.S13
-rwxr-xr-xArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.asm13
-rw-r--r--ArmPlatformPkg/Include/Library/ArmPlatformLib.h14
-rw-r--r--ArmPlatformPkg/Sec/SecEntryPoint.S12
-rw-r--r--ArmPlatformPkg/Sec/SecEntryPoint.asm12
7 files changed, 82 insertions, 8 deletions
diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.S b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.S
index 037efd9c20..3f8c9ce520 100755
--- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.S
+++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.S
@@ -20,9 +20,22 @@
.text
.align 3
+GCC_ASM_EXPORT(ArmPlatformSecBootAction)
GCC_ASM_EXPORT(ArmPlatformInitializeBootMemory)
/**
+ Call at the beginning of the platform boot up
+
+ This function allows the firmware platform to do extra actions at the early
+ stage of the platform power up.
+
+ Note: This function must be implemented in assembler as there is no stack set up yet
+
+**/
+ASM_PFX(ArmPlatformSecBootAction):
+ bx lr
+
+/**
Initialize the memory where the initial stacks will reside
This memory can contain the initial stacks (Secure and Secure Monitor stacks).
diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.asm b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.asm
index 272a05a8fa..9794aac430 100755
--- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.asm
+++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbBoot.asm
@@ -19,12 +19,25 @@
INCLUDE AsmMacroIoLib.inc
+ EXPORT ArmPlatformSecBootAction
EXPORT ArmPlatformInitializeBootMemory
PRESERVE8
AREA CTA9x4BootMode, CODE, READONLY
/**
+ Call at the beginning of the platform boot up
+
+ This function allows the firmware platform to do extra actions at the early
+ stage of the platform power up.
+
+ Note: This function must be implemented in assembler as there is no stack set up yet
+
+**/
+ArmPlatformSecBootAction
+ bx lr
+
+/**
Initialize the memory where the initial stacks will reside
This memory can contain the initial stacks (Secure and Secure Monitor stacks).
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.S b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.S
index c49c66332f..cd7734fafe 100755
--- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.S
+++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.S
@@ -21,6 +21,7 @@
.text
.align 3
+GCC_ASM_EXPORT(ArmPlatformSecBootAction)
GCC_ASM_EXPORT(ArmPlatformInitializeBootMemory)
GCC_ASM_IMPORT(PL35xSmcInitialize)
@@ -60,6 +61,18 @@ VersatileExpressSmcConfiguration:
VersatileExpressSmcConfigurationEnd:
/**
+ Call at the beginning of the platform boot up
+
+ This function allows the firmware platform to do extra actions at the early
+ stage of the platform power up.
+
+ Note: This function must be implemented in assembler as there is no stack set up yet
+
+**/
+ASM_PFX(ArmPlatformSecBootAction):
+ bx lr
+
+/**
Initialize the memory where the initial stacks will reside
This memory can contain the initial stacks (Secure and Secure Monitor stacks).
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.asm b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.asm
index 5a08307e13..0350608a2f 100755
--- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.asm
+++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Boot.asm
@@ -20,6 +20,7 @@
INCLUDE AsmMacroIoLib.inc
+ EXPORT ArmPlatformSecBootAction
EXPORT ArmPlatformInitializeBootMemory
IMPORT PL35xSmcInitialize
@@ -62,6 +63,18 @@ VersatileExpressSmcConfiguration
VersatileExpressSmcConfigurationEnd
/**
+ Call at the beginning of the platform boot up
+
+ This function allows the firmware platform to do extra actions at the early
+ stage of the platform power up.
+
+ Note: This function must be implemented in assembler as there is no stack set up yet
+
+**/
+ArmPlatformSecBootAction
+ bx lr
+
+/**
Initialize the memory where the initial stacks will reside
This memory can contain the initial stacks (Secure and Secure Monitor stacks).
diff --git a/ArmPlatformPkg/Include/Library/ArmPlatformLib.h b/ArmPlatformPkg/Include/Library/ArmPlatformLib.h
index 4ea640f0d2..b2667416e1 100644
--- a/ArmPlatformPkg/Include/Library/ArmPlatformLib.h
+++ b/ArmPlatformPkg/Include/Library/ArmPlatformLib.h
@@ -83,6 +83,20 @@ ArmPlatformGetBootMode (
);
/**
+ Call at the beginning of the platform boot up
+
+ This function allows the firmware platform to do extra actions at the early
+ stage of the platform power up.
+
+ Note: This function must be implemented in assembler as there is no stack set up yet
+
+**/
+VOID
+ArmPlatformSecBootAction (
+ VOID
+ );
+
+/**
Initialize controllers that must setup at the early stage
Some peripherals must be initialized in Secure World.
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