ArmPlatformPkg/SP804TimerDxe: Move 'gVector' initialization earlier in the code
[mirror_edk2.git] / ArmPlatformPkg / Library / ArmPlatformGlobalVariableLib / Pei / PeiArmPlatformGlobalVariableLib.c
CommitLineData
8fc38a3f 1/** @file
2*
3* Copyright (c) 2011, ARM 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 <Uefi.h>
16#include <Library/ArmPlatformGlobalVariableLib.h>
17#include <Library/BaseLib.h>
18#include <Library/BaseMemoryLib.h>
19#include <Library/PcdLib.h>
20
21//TODO: RemoveMe
22//#include <Library/DebugLib.h>
23
24// Declared by ArmPlatformPkg/PrePi Module
25extern UINTN mGlobalVariableBase;
26
27VOID
28ArmPlatformGetGlobalVariable (
29 IN UINTN VariableOffset,
30 IN UINTN VariableSize,
31 OUT VOID* Variable
32 )
33{
34 UINTN GlobalVariableBase;
35
36 GlobalVariableBase = PcdGet32 (PcdCPUCoresStackBase) + PcdGet32 (PcdCPUCorePrimaryStackSize) - PcdGet32 (PcdPeiGlobalVariableSize) + VariableOffset;
37
38 if (VariableSize == 4) {
39 *(UINT32*)Variable = ReadUnaligned32 ((CONST UINT32*)(GlobalVariableBase + VariableOffset));
40 } else if (VariableSize == 8) {
41 *(UINT32*)Variable = ReadUnaligned64 ((CONST UINT64*)(GlobalVariableBase + VariableOffset));
42 } else {
43 CopyMem (Variable, (VOID*)(GlobalVariableBase + VariableOffset), VariableSize);
44 }
45
46 //DEBUG((EFI_D_ERROR,"++ GET Offset[%d] = 0x%x\n",VariableOffset,*(UINTN*)Variable));
47}
48
49VOID
50ArmPlatformSetGlobalVariable (
51 IN UINTN VariableOffset,
52 IN UINTN VariableSize,
53 OUT VOID* Variable
54 )
55{
56 UINTN GlobalVariableBase;
57
58 GlobalVariableBase = PcdGet32 (PcdCPUCoresStackBase) + PcdGet32 (PcdCPUCorePrimaryStackSize) - PcdGet32 (PcdPeiGlobalVariableSize) + VariableOffset;
59
60 if (VariableSize == 4) {
61 WriteUnaligned32 ((UINT32*)(GlobalVariableBase + VariableOffset), *(UINT32*)Variable);
62 } else if (VariableSize == 8) {
63 WriteUnaligned64 ((UINT64*)(GlobalVariableBase + VariableOffset), *(UINT64*)Variable);
64 } else {
65 CopyMem ((VOID*)(GlobalVariableBase + VariableOffset), Variable, VariableSize);
66 }
67
68 //DEBUG((EFI_D_ERROR,"++ SET Offset[%d] = 0x%x\n",VariableOffset,*(UINTN*)Variable));
69}
70