diff options
Diffstat (limited to 'sgx/services4/srvkm/hwdefs/sgxmmu.h')
| -rw-r--r-- | sgx/services4/srvkm/hwdefs/sgxmmu.h | 80 |
1 files changed, 54 insertions, 26 deletions
diff --git a/sgx/services4/srvkm/hwdefs/sgxmmu.h b/sgx/services4/srvkm/hwdefs/sgxmmu.h index 1b265f1..509fa5a 100644 --- a/sgx/services4/srvkm/hwdefs/sgxmmu.h +++ b/sgx/services4/srvkm/hwdefs/sgxmmu.h @@ -1,40 +1,62 @@ -/********************************************************************** - * - * Copyright (C) Imagination Technologies Ltd. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful but, except - * as otherwise stated in writing, without any warranty; without even the - * implied warranty of merchantability or fitness for a particular purpose. - * See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * - * Contact Information: - * Imagination Technologies Ltd. <gpl-support@imgtec.com> - * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK - * - ******************************************************************************/ +/*************************************************************************/ /*! +@Title SGX MMU defines +@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved +@Description Provides SGX MMU declarations and macros +@License Dual MIT/GPLv2 + +The contents of this file are subject to the MIT license as set out below. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +Alternatively, the contents of this file may be used under the terms of +the GNU General Public License Version 2 ("GPL") in which case the provisions +of GPL are applicable instead of those above. + +If you wish to allow use of your version of this file only under the terms of +GPL, and not to allow others to use your version of this file under the terms +of the MIT license, indicate your decision by deleting the provisions above +and replace them with the notice and other provisions required by GPL as set +out in the file called "GPL-COPYING" included in this distribution. If you do +not delete the provisions above, a recipient may use your version of this file +under the terms of either the MIT license or GPL. + +This License is also included in this distribution in the file called +"MIT-COPYING". + +EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS +PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ /**************************************************************************/ #if !defined(__SGXMMU_KM_H__) #define __SGXMMU_KM_H__ +/* to be implemented */ + +/* SGX MMU maps 4Kb pages */ #define SGX_MMU_PAGE_SHIFT (12) #define SGX_MMU_PAGE_SIZE (1U<<SGX_MMU_PAGE_SHIFT) #define SGX_MMU_PAGE_MASK (SGX_MMU_PAGE_SIZE - 1U) +/* PD details */ #define SGX_MMU_PD_SHIFT (10) #define SGX_MMU_PD_SIZE (1U<<SGX_MMU_PD_SHIFT) #define SGX_MMU_PD_MASK (0xFFC00000U) +/* PD Entry details */ #if defined(SGX_FEATURE_36BIT_MMU) #define SGX_MMU_PDE_ADDR_MASK (0xFFFFFF00U) #define SGX_MMU_PDE_ADDR_ALIGNSHIFT (4) @@ -43,6 +65,7 @@ #define SGX_MMU_PDE_ADDR_ALIGNSHIFT (0) #endif #define SGX_MMU_PDE_VALID (0x00000001U) +/* variable page size control field */ #define SGX_MMU_PDE_PAGE_SIZE_4K (0x00000000U) #define SGX_MMU_PDE_PAGE_SIZE_16K (0x00000002U) #define SGX_MMU_PDE_PAGE_SIZE_64K (0x00000004U) @@ -51,10 +74,12 @@ #define SGX_MMU_PDE_PAGE_SIZE_4M (0x0000000AU) #define SGX_MMU_PDE_PAGE_SIZE_MASK (0x0000000EU) +/* PT details */ #define SGX_MMU_PT_SHIFT (10) #define SGX_MMU_PT_SIZE (1U<<SGX_MMU_PT_SHIFT) #define SGX_MMU_PT_MASK (0x003FF000U) +/* PT Entry details */ #if defined(SGX_FEATURE_36BIT_MMU) #define SGX_MMU_PTE_ADDR_MASK (0xFFFFFF00U) #define SGX_MMU_PTE_ADDR_ALIGNSHIFT (4) @@ -68,5 +93,8 @@ #define SGX_MMU_PTE_CACHECONSISTENT (0x00000008U) #define SGX_MMU_PTE_EDMPROTECT (0x00000010U) -#endif +#endif /* __SGXMMU_KM_H__ */ +/***************************************************************************** + End of file (sgxmmu.h) +*****************************************************************************/ |