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Diffstat (limited to 'pvr-source/services4/srvkm/hwdefs/sgxmmu.h')
| -rw-r--r-- | pvr-source/services4/srvkm/hwdefs/sgxmmu.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/pvr-source/services4/srvkm/hwdefs/sgxmmu.h b/pvr-source/services4/srvkm/hwdefs/sgxmmu.h new file mode 100644 index 0000000..a6a907a --- /dev/null +++ b/pvr-source/services4/srvkm/hwdefs/sgxmmu.h @@ -0,0 +1,99 @@ +/*************************************************************************/ /*! +@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) +#else + #define SGX_MMU_PDE_ADDR_MASK (0xFFFFF000U) + #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) +#define SGX_MMU_PDE_PAGE_SIZE_256K (0x00000006U) +#define SGX_MMU_PDE_PAGE_SIZE_1M (0x00000008U) +#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) +#else + #define SGX_MMU_PTE_ADDR_MASK (0xFFFFF000U) + #define SGX_MMU_PTE_ADDR_ALIGNSHIFT (0) +#endif +#define SGX_MMU_PTE_VALID (0x00000001U) +#define SGX_MMU_PTE_WRITEONLY (0x00000002U) +#define SGX_MMU_PTE_READONLY (0x00000004U) +#define SGX_MMU_PTE_CACHECONSISTENT (0x00000008U) +#define SGX_MMU_PTE_EDMPROTECT (0x00000010U) + +#endif /* __SGXMMU_KM_H__ */ + +/***************************************************************************** + End of file (sgxmmu.h) +*****************************************************************************/ |