github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2025-10-09 11:03:41 +00:00
Code Issues Projects Releases Wiki Activity

initial import

Browse Source 
internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085

Signed-off-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Eddie Dong
2018-03-07 20:57:14 +08:00
committed by lijinxia
parent bd31b1c53e
commit 7a3a539b17
156 changed files with 41265 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
hypervisor/include/lib/macros.h Normal file
View File

@@ -0,0 +1,73 @@
/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MACROS_H
#define MACROS_H
/** Replaces 'x' by the string "x". */
#define __CPP_STRING(x) #x
/** Replaces 'x' by its value. */
#define CPP_STRING(x) __CPP_STRING(x)
/** Creates a bitfield mask.
*
* @param pos The position of the LSB within the mask.
* @param width The width of the bitfield in bits.
*
* @return The bitfield mask.
*/
#define BITFIELD_MASK(pos, width) (((1<<(width))-1)<<(pos))
#define BITFIELD_VALUE(v, pos, width) (((v)<<(pos)) & (((1<<(width))-1)<<(pos)))
#define MAKE_BITFIELD_MASK(id) BITFIELD_MASK(id ## _POS, id ## _WIDTH)
#define MAKE_BITFIELD_VALUE(v, id) BITFIELD_VALUE(v, id ## _POS, id ## _WIDTH)
/** Defines a register within a register block. */
#define REGISTER(base, off) (base ## _BASE + (off))
#define MAKE_MMIO_REGISTER_ADDRESS(chip, module, register) \
(chip ## _ ## module ## _BASE + \
(chip ## _ ## module ## _ ## register ## _REGISTER))
/* Macro used to check if a value is aligned to the required boundary.
* Returns TRUE if aligned; FALSE if not aligned
* NOTE: The required alignment must be a power of 2 (2, 4, 8, 16, 32, etc)
*/
#define MEM_ALIGNED_CHECK(value, req_align) \
(((uint64_t)(value) & ((uint64_t)(req_align) - (uint64_t)1)) == 0)
#if !defined(ASSEMBLER) && !defined(LINKER_SCRIPT)
#define ARRAY_LENGTH(x) (sizeof(x)/sizeof((x)[0]))
#endif
#endif /* INCLUDE_MACROS_H defined */