ArmPkg: Added Aarch64 support

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14486 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Library/ArmSmcLib/AArch64/ArmSmc.S

@@ -0,0 +1,78 @@
+//
+//  Copyright (c) 2012-2013, 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.
+//
+//
+
+.text
+.align 3
+
+GCC_ASM_EXPORT(ArmCallSmc)
+GCC_ASM_EXPORT(ArmCallSmcArg1)
+GCC_ASM_EXPORT(ArmCallSmcArg2)
+GCC_ASM_EXPORT(ArmCallSmcArg3)
+
+ASM_PFX(ArmCallSmc):
+  str   x1, [sp, #-0x10]!
+  mov   x1, x0
+  ldr   x0,[x1]
+  smc   #0
+  str   x0,[x1]
+  ldr   x1, [sp], #0x10
+  ret
+
+ASM_PFX(ArmCallSmcArg1):
+  stp   x2, x3, [sp, #-0x10]!
+  mov   x2, x0
+  mov   x3, x1
+  ldr   x0,[x2]
+  ldr   x1,[x3]
+  smc   #0
+  str   x0,[x2]
+  str   x1,[x3]
+  ldp   x2, x3, [sp], #0x10
+  ret
+
+ASM_PFX(ArmCallSmcArg2):
+  stp   x3, x4, [sp, #-0x10]!
+  str   x5, [sp, #-8]!
+  mov   x3, x0
+  mov   x4, x1
+  mov   x5, x2
+  ldr   x0,[x3]
+  ldr   x1,[x4]
+  ldr   x2,[x5]
+  smc   #0
+  str   x0,[x3]
+  str   x1,[x4]
+  str   x2,[x5]
+  ldr   x5, [sp], #8
+  ldp   x3, x4, [sp], #0x10
+  ret
+
+ASM_PFX(ArmCallSmcArg3):
+  stp   x4, x5, [sp, #-0x10]!
+  stp   x6, x7, [sp, #-0x10]!
+  mov   x4, x0
+  mov   x5, x1
+  mov   x6, x2
+  mov   x7, x3
+  ldr   x0,[x4]
+  ldr   x1,[x5]
+  ldr   x2,[x6]
+  ldr   x3,[x7]
+  smc   #0
+  str   x0,[x4]
+  str   x1,[x5]
+  str   x2,[x6]
+  str   x3,[x7]
+  ldp   x4, x5, [sp], #0x10
+  ldp   x6, x7, [sp], #0x10
+  ret