sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM Packages: Moved ARM assembly files to 'Arm' subdirectory

Browse Source 
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13772 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2012-09-28 10:52:16 +00:00
parent 145292e4c8
commit 21de944e03
20 changed files with 37 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/Arm/RTSMBoot.S Normal file
View File

@@ -0,0 +1,50 @@
//
// Copyright (c) 2011-2012, ARM Limited. All rights reserved.
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
//
#include <AsmMacroIoLib.h>
#include <Base.h>
#include <Library/ArmPlatformLib.h>
#include <AutoGen.h>
#include <ArmPlatform.h>
.text
.align 3
GCC_ASM_EXPORT(ArmPlatformSecBootAction)
GCC_ASM_EXPORT(ArmPlatformSecBootMemoryInit)
/**
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).
In some platform, this region is already initialized and the implementation of this function can
do nothing. This memory can also represent the Secure RAM.
This function is called before the satck has been set up. Its implementation must ensure the stack
pointer is not used (probably required to use assembly language)
**/
ASM_PFX(ArmPlatformSecBootMemoryInit):
// The SMC does not need to be initialized for RTSM
bx lr

54
ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/Arm/RTSMBoot.asm Normal file
View File

@@ -0,0 +1,54 @@
//
// Copyright (c) 2011, ARM Limited. All rights reserved.
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
//
#include <AsmMacroIoLib.h>
#include <Base.h>
#include <Library/ArmPlatformLib.h>
#include <AutoGen.h>
#include <ArmPlatform.h>
INCLUDE AsmMacroIoLib.inc
EXPORT ArmPlatformSecBootAction
EXPORT ArmPlatformSecBootMemoryInit
PRESERVE8
AREA RTSMVExpressBootMode, 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).
In some platform, this region is already initialized and the implementation of this function can
do nothing. This memory can also represent the Secure RAM.
This function is called before the satck has been set up. Its implementation must ensure the stack
pointer is not used (probably required to use assembly language)
**/
ArmPlatformSecBootMemoryInit
// The SMC does not need to be initialized for RTSM
bx lr
END

71
ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/Arm/RTSMHelper.S Normal file
View File

@@ -0,0 +1,71 @@
#
# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http:#opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#
#include <AsmMacroIoLib.h>
#include <Base.h>
#include <Library/PcdLib.h>
#include <AutoGen.h>
#.include AsmMacroIoLib.inc
#include <Chipset/ArmCortexA9.h>
.text
.align 2
GCC_ASM_EXPORT(ArmGetCpuCountPerCluster)
# IN None
# OUT r0 = SCU Base Address
ASM_PFX(ArmGetScuBaseAddress):
# Read Configuration Base Address Register. ArmCBar cannot be called to get
# the Configuration BAR as a stack is not necessary setup. The SCU is at the
# offset 0x0000 from the Private Memory Region.
mrc p15, 4, r0, c15, c0, 0
bx lr
# IN None
# OUT r0 = number of cores present in the system
ASM_PFX(ArmGetCpuCountPerCluster):
stmfd SP!, {r1-r2}
# Read CP15 MIDR
mrc p15, 0, r1, c0, c0, 0
# Check if the CPU is A15
mov r1, r1, LSR #4
LoadConstantToReg (ARM_CPU_TYPE_MASK, r0)
and r1, r1, r0
LoadConstantToReg (ARM_CPU_TYPE_A15, r0)
cmp r1, r0
beq _Read_cp15_reg
_CPU_is_not_A15:
mov r2, lr @ Save link register
bl ArmGetScuBaseAddress @ Read SCU Base Address
mov lr, r2 @ Restore link register val
ldr r0, [r0, #A9_SCU_CONFIG_OFFSET] @ Read SCU Config reg to get CPU count
b _Return
_Read_cp15_reg:
mrc p15, 1, r0, c9, c0, 2 @ Read C9 register of CP15 to get CPU count
lsr r0, #24
_Return:
and r0, r0, #3
# Add '1' to the number of CPU on the Cluster
add r0, r0, #1
ldmfd SP!, {r1-r2}
bx lr
ASM_FUNCTION_REMOVE_IF_UNREFERENCED

73
ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressSecLibRTSM/Arm/RTSMHelper.asm Normal file
View File

@@ -0,0 +1,73 @@
//
// Copyright (c) 2011-2012, ARM Limited. All rights reserved.
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
//
#include <AsmMacroIoLib.h>
#include <Base.h>
#include <Library/PcdLib.h>
#include <Chipset/ArmCortexA9.h>
#include <AutoGen.h>
INCLUDE AsmMacroIoLib.inc
EXPORT ArmGetCpuCountPerCluster
AREA RTSMHelper, CODE, READONLY
// IN None
// OUT r0 = SCU Base Address
ArmGetScuBaseAddress
// Read Configuration Base Address Register. ArmCBar cannot be called to get
// the Configuration BAR as a stack is not necessary setup. The SCU is at the
// offset 0x0000 from the Private Memory Region.
mrc p15, 4, r0, c15, c0, 0
bx lr
// IN None
// OUT r0 = number of cores present in the system
ArmGetCpuCountPerCluster
stmfd SP!, {r1-r2}
// Read CP15 MIDR
mrc p15, 0, r1, c0, c0, 0
// Check if the CPU is A15
mov r1, r1, LSR #4
mov r0, #ARM_CPU_TYPE_MASK
and r1, r1, r0
mov r0, #ARM_CPU_TYPE_A15
cmp r1, r0
beq _Read_cp15_reg
_CPU_is_not_A15
mov r2, lr ; Save link register
bl ArmGetScuBaseAddress ; Read SCU Base Address
mov lr, r2 ; Restore link register val
ldr r0, [r0, #A9_SCU_CONFIG_OFFSET] ; Read SCU Config reg to get CPU count
b _Return
_Read_cp15_reg
mrc p15, 1, r0, c9, c0, 2 ; Read C9 register of CP15 to get CPU count
lsr r0, #24
_Return
and r0, r0, #3
// Add '1' to the number of CPU on the Cluster
add r0, r0, #1
ldmfd SP!, {r1-r2}
bx lr
END