/*************************************************************************/ /*!
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@File
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@Title Functions for BVNC manipulating
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@Description Utility functions used internally by device memory management
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code.
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /**************************************************************************/
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#if !defined (__RGX_COMPAT_BVNC_H__)
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#define __RGX_COMPAT_BVNC_H__
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#include "img_types.h"
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/* 64bit endian converting macros */
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#if defined(__BIG_ENDIAN__)
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#define RGX_INT64_TO_BE(N) (N)
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#define RGX_INT64_FROM_BE(N) (N)
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#define RGX_INT32_TO_BE(N) (N)
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#define RGX_INT32_FROM_BE(N) (N)
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#else
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#define RGX_INT64_TO_BE(N) \
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((((N) >> 56) & 0xff) \
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| (((N) >> 40) & 0xff00) \
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| (((N) >> 24) & 0xff0000) \
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| (((N) >> 8) & 0xff000000) \
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| ((N) << 56) \
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| (((N) & 0xff00) << 40) \
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| (((N) & 0xff0000) << 24) \
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| (((N) & 0xff000000) << 8))
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#define RGX_INT64_FROM_BE(N) RGX_INT64_TO_BE(N)
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#define RGX_INT32_TO_BE(N) \
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((((N) >> 24) & 0xff) \
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| (((N) >> 8) & 0xff00) \
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| ((N) << 24) \
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| (((N & 0xff00) << 8)))
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#define RGX_INT32_FROM_BE(N) RGX_INT32_TO_BE(N)
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#endif
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/******************************************************************************
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* RGX Version packed into 24-bit (BNC) and string (V) to be used by Compatibility Check
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*****************************************************************************/
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#define RGX_BVNC_PACK_SHIFT_B 32
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#define RGX_BVNC_PACK_SHIFT_N 16
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#define RGX_BVNC_PACK_SHIFT_C 0
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#define RGX_BVNC_PACK_MASK_B (IMG_UINT64_C(0x0000FFFF00000000))
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#define RGX_BVNC_PACK_MASK_N (IMG_UINT64_C(0x00000000FFFF0000))
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#define RGX_BVNC_PACK_MASK_C (IMG_UINT64_C(0x000000000000FFFF))
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#define RGX_BVNC_PACKED_EXTR_B(BVNC) ((IMG_UINT32)(((BVNC).ui64BNC & RGX_BVNC_PACK_MASK_B) >> RGX_BVNC_PACK_SHIFT_B))
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#define RGX_BVNC_PACKED_EXTR_V(BVNC) ((BVNC).aszV)
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#define RGX_BVNC_PACKED_EXTR_N(BVNC) ((IMG_UINT32)(((BVNC).ui64BNC & RGX_BVNC_PACK_MASK_N) >> RGX_BVNC_PACK_SHIFT_N))
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#define RGX_BVNC_PACKED_EXTR_C(BVNC) ((IMG_UINT32)(((BVNC).ui64BNC & RGX_BVNC_PACK_MASK_C) >> RGX_BVNC_PACK_SHIFT_C))
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#if !defined(RGX_SKIP_BVNC_CHECK)
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#define RGX_BVNC_EQUAL(L,R,all,version,lenmax,bnc,v) do { \
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(lenmax) = IMG_FALSE; \
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(bnc) = IMG_FALSE; \
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(v) = IMG_FALSE; \
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(version) = ((L).ui32LayoutVersion == (R).ui32LayoutVersion); \
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if (version) \
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{ \
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(lenmax) = ((L).ui32VLenMax == (R).ui32VLenMax); \
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} \
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if (lenmax) \
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{ \
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(bnc) = ((L).ui64BNC == (R).ui64BNC); \
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} \
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if (bnc) \
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{ \
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(L).aszV[(L).ui32VLenMax] = '\0'; \
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(R).aszV[(R).ui32VLenMax] = '\0'; \
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(v) = (OSStringCompare((L).aszV, (R).aszV)==0); \
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} \
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(all) = (version) && (lenmax) && (bnc) && (v); \
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} while (0)
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#else
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#define RGX_BVNC_EQUAL(L,R,all,version,lenmax,bnc,v) \
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(all) = IMG_TRUE; \
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(version) = IMG_TRUE; \
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(lenmax) = IMG_TRUE; \
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(bnc) = IMG_TRUE; \
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(v) = IMG_TRUE; \
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#endif
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void rgx_bvnc_packed(IMG_UINT64 *pui64OutBNC, IMG_CHAR *pszOutV, IMG_UINT32 ui32OutVMaxLen,
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IMG_UINT32 ui32B, IMG_CHAR *pszV, IMG_UINT32 ui32N, IMG_UINT32 ui32C);
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void rgx_bvnc_pack_hw(IMG_UINT64 *pui64OutBNC, IMG_CHAR *pszOutV, IMG_UINT32 ui32OutVMaxLen,
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IMG_UINT32 ui32B, IMG_UINT32 ui32V, IMG_UINT32 ui32N, IMG_UINT32 ui32C);
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#endif /* __RGX_COMPAT_BVNC_H__ */
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/******************************************************************************
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End of file (rgx_compat_bvnc.h)
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******************************************************************************/
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