mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-25 11:04:51 +03:00
c08b987db3
Add nvgpu_memcpy/nvgpu_memcmp which are MISRA-compliant versions (Rule 21.15) of memcpy/memcmp. Also convert some clk/gr calls over to use the new routines; all of the remaining calls will be converted in subsequent patches. JIRA NVGPU-849 Change-Id: Ib3a602cd08886764ba9a50285462a8b07bfb18ba Signed-off-by: Scott Long <scottl@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1919470 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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. 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.
|
|
*/
|
|
|
|
#ifndef NVGPU_STRING_H
|
|
#define NVGPU_STRING_H
|
|
|
|
#include <nvgpu/types.h>
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/string.h>
|
|
#endif
|
|
|
|
/**
|
|
* nvgpu_memcpy - Copy memory buffer
|
|
*
|
|
* @destb - Buffer into which data is to be copied.
|
|
* @srcb - Buffer from which data is to be copied.
|
|
* @n - Number of bytes to copy from src buffer to dest buffer.
|
|
*
|
|
* Copy memory from source buffer to destination buffer.
|
|
*/
|
|
void nvgpu_memcpy(u8 *destb, const u8 *srcb, size_t n);
|
|
|
|
/**
|
|
* nvgpu_memcmp - Compare memory buffers
|
|
*
|
|
* @b1 - First buffer to use in memory comparison.
|
|
* @b2 - Second buffer to use in memory comparison.
|
|
* @n - Number of bytes to compare between buffer1 and buffer2.
|
|
*
|
|
* Compare the first n bytes of two memory buffers. If the contents of the
|
|
* two buffers match then zero is returned. If the contents of b1 are less
|
|
* than b2 then a value less than zero is returned. If the contents of b1
|
|
* are greater than b2 then a value greater than zero is returned.
|
|
*/
|
|
int nvgpu_memcmp(const u8 *b1, const u8 *b2, size_t n);
|
|
|
|
#endif /* NVGPU_STRING_H */
|