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1e57a462 1/** @file\r
5a5440d0
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2\r
3 Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
4\r
5 SPDX-License-Identifier: BSD-2-Clause-Patent\r
6\r
1e57a462 7**/\r
8\r
9#ifndef _ARMPLATFORMLIB_H_\r
10#define _ARMPLATFORMLIB_H_\r
11\r
12//\r
13// The package level header files this module uses\r
14//\r
15#include <PiPei.h>\r
16//\r
16f3544d 17// The protocols, PPI and GUID definitions for this module\r
1e57a462 18//\r
19#include <Ppi/MasterBootMode.h>\r
20#include <Ppi/BootInRecoveryMode.h>\r
1e57a462 21\r
22#include <Library/ArmLib.h>\r
23\r
bebda7ce 24/**\r
25 Return the core position from the value of its MpId register\r
26\r
27 This function returns the core position from the position 0 in the processor.\r
28 This function might be called from assembler before any stack is set.\r
29\r
30 @return Return the core position\r
31\r
32**/\r
1e57a462 33UINTN\r
34ArmPlatformGetCorePosition (\r
40b0b23e 35 IN UINTN MpId\r
1e57a462 36 );\r
37\r
bebda7ce 38/**\r
39 Return a non-zero value if the callee is the primary core\r
40\r
41 This function returns a non-zero value if the callee is the primary core.\r
42 The primary core is the core responsible to initialize the hardware and run UEFI.\r
43 This function might be called from assembler before any stack is set.\r
44\r
45 @return Return a non-zero value if the callee is the primary core.\r
46\r
47**/\r
48UINTN\r
49ArmPlatformIsPrimaryCore (\r
40b0b23e 50 IN UINTN MpId\r
bebda7ce 51 );\r
52\r
d05ca26c 53/**\r
54 Return the MpId of the primary core\r
55\r
56 This function returns the MpId of the primary core.\r
57 This function might be called from assembler before any stack is set.\r
58\r
59 @return Return the MpId of the primary core\r
60\r
61**/\r
62UINTN\r
63ArmPlatformGetPrimaryCoreMpId (\r
64 VOID\r
65 );\r
66\r
1e57a462 67/**\r
68 Return the current Boot Mode\r
69\r
70 This function returns the boot reason on the platform\r
71\r
72 @return Return the current Boot Mode of the platform\r
73\r
74**/\r
75EFI_BOOT_MODE\r
76ArmPlatformGetBootMode (\r
77 VOID\r
78 );\r
79\r
6913a683
OM
80/**\r
81 First platform specific function to be called in the PEI phase\r
82\r
83 This function is actually the first function called by the PrePi\r
84 or PrePeiCore modules. It allows to retrieve arguments passed to\r
85 the UEFI firmware through the CPU registers.\r
86\r
87 This function might be written into assembler as no stack are set\r
88 when the function is invoked.\r
89\r
90**/\r
91VOID\r
92ArmPlatformPeiBootAction (\r
93 VOID\r
94 );\r
95\r
1e57a462 96/**\r
97 Initialize controllers that must setup in the normal world\r
98\r
99 This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei\r
100 in the PEI phase.\r
101\r
102**/\r
103RETURN_STATUS\r
104ArmPlatformInitialize (\r
40b0b23e 105 IN UINTN MpId\r
1e57a462 106 );\r
107\r
1e57a462 108/**\r
109 Return the Virtual Memory Map of your platform\r
110\r
111 This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU on your platform.\r
112\r
113 @param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing a Physical-to-\r
114 Virtual Memory mapping. This array must be ended by a zero-filled\r
115 entry\r
116\r
117**/\r
118VOID\r
119ArmPlatformGetVirtualMemoryMap (\r
40b0b23e 120 OUT ARM_MEMORY_REGION_DESCRIPTOR **VirtualMemoryMap\r
1e57a462 121 );\r
122\r
1e57a462 123/**\r
124 Return the Platform specific PPIs\r
125\r
126 This function exposes the Platform Specific PPIs. They can be used by any PrePi modules or passed\r
127 to the PeiCore by PrePeiCore.\r
128\r
129 @param[out] PpiListSize Size in Bytes of the Platform PPI List\r
130 @param[out] PpiList Platform PPI List\r
131\r
132**/\r
133VOID\r
134ArmPlatformGetPlatformPpiList (\r
135 OUT UINTN *PpiListSize,\r
136 OUT EFI_PEI_PPI_DESCRIPTOR **PpiList\r
137 );\r
138\r
139#endif\r