mirror of
https://gitlab.freedesktop.org/mesa/drm.git
synced 2026-05-09 10:58:06 +02:00
a6e1316d03
This fixes a build error with Tegra.
Fixes: 8cc2d09c ("amdgpu: reserve half of the addr space to implement a workaround for PRT")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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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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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef _UTIL_MATH_H_
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#define _UTIL_MATH_H_
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#include <stdint.h>
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#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) )
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#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) )
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#define MAX3( A, B, C ) ((A) > (B) ? MAX2(A, C) : MAX2(B, C))
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#define __align_mask(value, mask) (((value) + (mask)) & ~(mask))
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#define ALIGN(value, alignment) __align_mask(value, (__typeof__(value))((alignment) - 1))
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static inline unsigned
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util_last_bit64(uint64_t u)
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{
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#if defined(HAVE___BUILTIN_CLZLL)
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return u == 0 ? 0 : 64 - __builtin_clzll(u);
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#elif defined(_MSC_VER) && (_M_AMD64 || _M_ARM64 || _M_IA64)
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unsigned long index;
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if (_BitScanReverse64(&index, u))
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return index + 1;
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else
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return 0;
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#else
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unsigned r = 0;
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while (u) {
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r++;
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u >>= 1;
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}
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return r;
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#endif
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}
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#endif /*_UTIL_MATH_H_*/
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