ArmPkg/Include/IndustryStandard/ArmMmSvc.h

   1 /** @file
   2 *
   3 *  Copyright (c) 2012-2017, ARM Limited. All rights reserved.
   4 *
   5 *  SPDX-License-Identifier: BSD-2-Clause-Patent
   6 *
   7 **/
   8
   9 #ifndef ARM_MM_SVC_H_
  10 #define ARM_MM_SVC_H_
  11
  12 /*
  13  * SVC IDs to allow the MM secure partition to initialise itself, handle
  14  * delegated events and request the Secure partition manager to perform
  15  * privileged operations on its behalf.
  16  */
  17 #define ARM_SVC_ID_SPM_VERSION_AARCH32             0x84000060
  18 #define ARM_SVC_ID_SP_EVENT_COMPLETE_AARCH64       0xC4000061
  19 #define ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES_AARCH64   0xC4000064
  20 #define ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES_AARCH64   0xC4000065
  21
  22 #define SET_MEM_ATTR_DATA_PERM_MASK       0x3
  23 #define SET_MEM_ATTR_DATA_PERM_SHIFT        0
  24 #define SET_MEM_ATTR_DATA_PERM_NO_ACCESS    0
  25 #define SET_MEM_ATTR_DATA_PERM_RW           1
  26 #define SET_MEM_ATTR_DATA_PERM_RO           3
  27
  28 #define SET_MEM_ATTR_CODE_PERM_MASK   0x1
  29 #define SET_MEM_ATTR_CODE_PERM_SHIFT    2
  30 #define SET_MEM_ATTR_CODE_PERM_X        0
  31 #define SET_MEM_ATTR_CODE_PERM_XN       1
  32
  33 #define SET_MEM_ATTR_MAKE_PERM_REQUEST(d_perm, c_perm)                            \
  34     ((((c_perm) & SET_MEM_ATTR_CODE_PERM_MASK) << SET_MEM_ATTR_CODE_PERM_SHIFT) | \
  35     (( (d_perm) & SET_MEM_ATTR_DATA_PERM_MASK) << SET_MEM_ATTR_DATA_PERM_SHIFT))
  36
  37 /* MM SVC Return error codes */
  38 #define ARM_SVC_SPM_RET_SUCCESS               0
  39 #define ARM_SVC_SPM_RET_NOT_SUPPORTED        -1
  40 #define ARM_SVC_SPM_RET_INVALID_PARAMS       -2
  41 #define ARM_SVC_SPM_RET_DENIED               -3
  42 #define ARM_SVC_SPM_RET_NO_MEMORY            -5
  43
  44 #define SPM_MAJOR_VERSION                     0
  45 #define SPM_MINOR_VERSION                     1
  46
  47 #endif // ARM_MM_SVC_H_