ArmPkg/Include/IndustryStandard/ArmMmSvc.h

   1 /** @file
   2 *
   3 *  Copyright (c) 2012-2017, 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 #ifndef __ARM_MM_SVC_H__
  16 #define __ARM_MM_SVC_H__
  17
  18 /*
  19  * SVC IDs to allow the MM secure partition to initialise itself, handle
  20  * delegated events and request the Secure partition manager to perform
  21  * privileged operations on its behalf.
  22  */
  23 #define ARM_SVC_ID_SPM_VERSION_AARCH32             0x84000060
  24 #define ARM_SVC_ID_SP_EVENT_COMPLETE_AARCH64       0xC4000061
  25 #define ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES_AARCH64   0xC4000064
  26 #define ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES_AARCH64   0xC4000065
  27
  28 #define SET_MEM_ATTR_DATA_PERM_MASK       0x3
  29 #define SET_MEM_ATTR_DATA_PERM_SHIFT        0
  30 #define SET_MEM_ATTR_DATA_PERM_NO_ACCESS    0
  31 #define SET_MEM_ATTR_DATA_PERM_RW           1
  32 #define SET_MEM_ATTR_DATA_PERM_RO           3
  33
  34 #define SET_MEM_ATTR_CODE_PERM_MASK   0x1
  35 #define SET_MEM_ATTR_CODE_PERM_SHIFT    2
  36 #define SET_MEM_ATTR_CODE_PERM_X        0
  37 #define SET_MEM_ATTR_CODE_PERM_XN       1
  38
  39 #define SET_MEM_ATTR_MAKE_PERM_REQUEST(d_perm, c_perm)                            \
  40     ((((c_perm) & SET_MEM_ATTR_CODE_PERM_MASK) << SET_MEM_ATTR_CODE_PERM_SHIFT) | \
  41     (( (d_perm) & SET_MEM_ATTR_DATA_PERM_MASK) << SET_MEM_ATTR_DATA_PERM_SHIFT))
  42
  43 #endif