1#
2#  Copyright (c) 2011-2013, ARM Limited. All rights reserved.
3#  Copyright (c) 2014, Linaro Limited. All rights reserved.
4#
5#  This program and the accompanying materials
6#  are licensed and made available under the terms and conditions of the BSD License
7#  which accompanies this distribution.  The full text of the license may be found at
8#  http://opensource.org/licenses/bsd-license.php
9#
10#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12#
13#
14
15#include <AsmMacroIoLib.h>
16#include <Base.h>
17#include <Library/ArmLib.h>
18#include <Library/PcdLib.h>
19#include <AutoGen.h>
20
21.text
22.align 2
23
24GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
25GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
26GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
27GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
28GCC_ASM_EXPORT(ArmGetPhysAddrTop)
29
30GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
31GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)
32GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdCoreCount)
33
34ASM_PFX(ArmPlatformPeiBootAction):
35  bx    lr
36
37//UINTN
38//ArmPlatformGetPrimaryCoreMpId (
39//  VOID
40//  );
41ASM_PFX(ArmPlatformGetPrimaryCoreMpId):
42  LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0)
43  ldr    r0, [r0]
44  bx     lr
45
46//UINTN
47//ArmPlatformIsPrimaryCore (
48//  IN UINTN MpId
49//  );
50ASM_PFX(ArmPlatformIsPrimaryCore):
51  mov   r0, #1
52  bx    lr
53
54//UINTN
55//ArmPlatformGetCorePosition (
56//  IN UINTN MpId
57//  );
58// With this function: CorePos = (ClusterId * 4) + CoreId
59ASM_PFX(ArmPlatformGetCorePosition):
60  and   r1, r0, #ARM_CORE_MASK
61  and   r0, r0, #ARM_CLUSTER_MASK
62  add   r0, r1, r0, LSR #6
63  bx    lr
64
65//EFI_PHYSICAL_ADDRESS
66//GetPhysAddrTop (
67//  VOID
68//  );
69ASM_PFX(ArmGetPhysAddrTop):
70  mov   r0, #0x00000000
71  mov   r1, #0x10000
72  bx    lr
73
74ASM_FUNCTION_REMOVE_IF_UNREFERENCED
75