1 files changed, 0 insertions, 75 deletions
diff --git a/ArmPlatformPkg/Sec/Arm/Helper.S b/ArmPlatformPkg/Sec/Arm/Helper.S
deleted file mode 100644
index 1922321565..0000000000
--- a/ArmPlatformPkg/Sec/Arm/Helper.S
+++ /dev/null
@@ -1,75 +0,0 @@
-#========================================================================================
-#  Copyright (c) 2011-2014, 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.
-#
-#=======================================================================================
-
-#start of the code section
-.text
-.align 3
-
-GCC_ASM_EXPORT(return_from_exception)
-GCC_ASM_EXPORT(enter_monitor_mode)
-GCC_ASM_EXPORT(copy_cpsr_into_spsr)
-GCC_ASM_EXPORT(set_non_secure_mode)
-
-# r0: Monitor World EntryPoint
-# r1: MpId
-# r2: SecBootMode
-# r3: Secure Monitor mode stack
-ASM_PFX(enter_monitor_mode):
-    cmp     r3, #0                      @ If a Secure Monitor stack base has not been defined then use the Secure stack
-    moveq   r3, sp
-
-    mrs     r4, cpsr                    @ Save current mode (SVC) in r4
-    bic     r5, r4, #0x1f               @ Clear all mode bits
-    orr     r5, r5, #0x16               @ Set bits for Monitor mode
-    msr     cpsr_cxsf, r5               @ We are now in Monitor Mode
-
-    mov     sp, r3                      @ Set the stack of the Monitor Mode
-
-    mov     lr, r0                      @ Use the pass entrypoint as lr
-
-    msr     spsr_cxsf, r4               @ Use saved mode for the MOVS jump to the kernel
-
-    mov     r4, r0                      @ Swap EntryPoint and MpId registers
-    mov     r0, r1
-    mov     r1, r2
-    mov     r2, r3
-
-    bx      r4
-
-# Return-from-exception is not an interworking return, so we must do it
-# in two steps, in case r0 has the Thumb bit set.
-ASM_PFX(return_from_exception):
-    adr     lr, returned_exception
-    movs    pc, lr
-returned_exception:                           @ We are now in non-secure state
-    bx      r0
-
-# Save the current Program Status Register (PSR) into the Saved PSR
-ASM_PFX(copy_cpsr_into_spsr):
-    mrs     r0, cpsr
-    msr     spsr_cxsf, r0
-    bx      lr
-
-# Set the Non Secure Mode
-ASM_PFX(set_non_secure_mode):
-    push    { r1 }
-    and     r0, r0, #0x1f     @ Keep only the mode bits
-    mrs     r1, spsr          @ Read the spsr
-    bic     r1, r1, #0x1f     @ Clear all mode bits
-    orr     r1, r1, r0
-    msr     spsr_cxsf, r1     @ write back spsr (may have caused a mode switch)
-    isb
-    pop     { r1 }
-    bx      lr                @ return (hopefully thumb-safe!)
-
-ASM_FUNCTION_REMOVE_IF_UNREFERENCED