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1657544152
Some firmware (e.g. UEFI) uses RTC CMOS to fetch the system's memory configuration. Put lowmem / highmem info in the designated area. This is a port of Bhyve vRTC's user-space logic. v1 -> v2: * move KB/MB/GB to macros.h * move nvram offset definitions to rtc.h Tracked-On: #1390 Signed-off-by: Peter Fang <peter.fang@intel.com> Acked-by: Anthony Xu <anthony.xu@intel.com>
21 lines
334 B
C
21 lines
334 B
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef _MACROS_H_
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#define _MACROS_H_
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#undef __CONCAT
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#define _CONCAT_(a, b) a ## b
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#define __CONCAT(a, b) _CONCAT_(a, b)
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#define KB (1024UL)
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#define MB (1024 * 1024UL)
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#define GB (1024 * 1024 * 1024UL)
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#endif
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