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1 | /** @file\r |
| 2 | *\r |
| 3 | * Copyright (c) 2011, ARM Limited. All rights reserved.\r |
| 4 | *\r |
| 5 | * This program and the accompanying materials\r |
| 6 | * are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | * which accompanies this distribution. The full text of the license may be found at\r |
| 8 | * http://opensource.org/licenses/bsd-license.php\r |
| 9 | *\r |
| 10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | *\r |
| 13 | **/\r |
| 14 | \r |
| 15 | #ifndef __ARM_GLOBAL_VARIABLE_H__\r |
| 16 | #define __ARM_GLOBAL_VARIABLE_H__\r |
| 17 | \r |
| 18 | #define ARM_GLOBAL_VARIABLE_PPI_GUID \\r |
| 19 | { 0xab1c1816, 0xd542, 0x4e6f, {0x9b, 0x1e, 0x8e, 0xcd, 0x92, 0x53, 0xe2, 0xe7} }\r |
| 20 | \r |
| 21 | \r |
| 22 | /**\r |
| 23 | This service of the EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into\r |
| 24 | permanent memory.\r |
| 25 | \r |
| 26 | @param PeiServices Pointer to the PEI Services Table.\r |
| 27 | @param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the\r |
| 28 | Temporary RAM contents.\r |
| 29 | @param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the\r |
| 30 | Temporary RAM contents.\r |
| 31 | @param CopySize Amount of memory to migrate from temporary to permanent memory.\r |
| 32 | \r |
| 33 | @retval EFI_SUCCESS The data was successfully returned.\r |
| 34 | @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when\r |
| 35 | TemporaryMemoryBase > PermanentMemoryBase.\r |
| 36 | \r |
| 37 | **/\r |
| 38 | typedef\r |
| 39 | EFI_STATUS\r |
| 40 | (EFIAPI * ARM_GLOBAL_VARIABLE_GET_MEMORY) (\r |
| 41 | OUT EFI_PHYSICAL_ADDRESS *GlobalVariableBase\r |
| 42 | );\r |
| 43 | \r |
| 44 | ///\r |
| 45 | /// This service abstracts the ability to migrate contents of the platform early memory store.\r |
| 46 | /// Note: The name EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI is different from the current PI 1.2 spec.\r |
| 47 | /// This PPI was optional.\r |
| 48 | ///\r |
| 49 | typedef struct {\r |
| 50 | ARM_GLOBAL_VARIABLE_GET_MEMORY GetGlobalVariableMemory;\r |
| 51 | } ARM_GLOBAL_VARIABLE_PPI;\r |
| 52 | \r |
| 53 | extern EFI_GUID gArmGlobalVariablePpiGuid;\r |
| 54 | \r |
| 55 | #endif\r |
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