Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Linux/PA-RISC Project (http://www.parisc-linux.org/)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Floating-point emulation code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifdef __NO_PA_HDRS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)     PA header file -- do not include this header file for non-PA builds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *  These macros are designed to be portable to all machines that have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  *  a wordsize greater than or equal to 32 bits that support the portable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  *  C compiler and the standard C preprocessor.  Wordsize (default 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *  and bitfield assignment (default left-to-right,  unlike VAX, PDP-11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  *  should be predefined using the constants HOSTWDSZ and BITFRL and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  *  the C compiler "-D" flag (e.g., -DHOSTWDSZ=36 -DBITFLR for the DEC-20).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  *  Note that the macro arguments assume that the integer being referenced
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  *  is a 32-bit integer (right-justified on the 20) and that bit 0 is the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  *  most significant bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #ifndef HOSTWDSZ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define	HOSTWDSZ	32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /*###########################  Macros  ######################################*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /*-------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  * NewDeclareBitField_Reference - Declare a structure similar to the simulator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  * function "DeclBitfR" except its use is restricted to occur within a larger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  * enclosing structure or union definition.  This declaration is an unnamed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  * structure with the argument, name, as the member name and the argument,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  * uname, as the element name. 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)  *----------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define Bitfield_extract(start, length, object) 	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)     ((object) >> (HOSTWDSZ - (start) - (length)) & 	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)     ((unsigned)-1 >> (HOSTWDSZ - (length))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define Bitfield_signed_extract(start, length, object) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)     ((int)((object) << start) >> (HOSTWDSZ - (length)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define Bitfield_mask(start, len, object)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)     ((object) & (((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define Bitfield_deposit(value,start,len,object)  object = \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)     ((object) & ~(((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len))) | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)     (((value) & ((unsigned)-1 >> (HOSTWDSZ-len))) << (HOSTWDSZ-start-len))