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freebsd: simplify MD isa_defs.h

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Most of this file was a pile of defines, apparently from Solaris that
controlled nothing in the source tree.  A few things controlled the
definition of unused types or macros which I have removed.

Considerable further cleanup is possible including removal of
architectures FreeBSD never supported.  This file should likely converge
with the Linux version to the extent possible.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Brooks Davis <brooks.davis@sri.com>
Closes #14127
This commit is contained in:
Brooks Davis
2022-10-28 00:55:45 +01:00
committed by Brian Behlendorf
parent e3ba8eb12e
commit ecbf02791f
3 changed files with 0 additions and 480 deletions
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include/os/freebsd/spl/sys/sysmacros.h
-40
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@@ -281,46 +281,6 @@ extern unsigned char bcd_to_byte[256];
#define INCR_COUNT(var, mutex) mutex_enter(mutex), (*(var))++, mutex_exit(mutex)
#define DECR_COUNT(var, mutex) mutex_enter(mutex), (*(var))--, mutex_exit(mutex)
/*
* Macros to declare bitfields - the order in the parameter list is
* Low to High - that is, declare bit 0 first. We only support 8-bit bitfields
* because if a field crosses a byte boundary it's not likely to be meaningful
* without reassembly in its nonnative endianness.
*/
#if defined(_BIT_FIELDS_LTOH)
#define DECL_BITFIELD2(_a, _b) \
uint8_t _a, _b
#define DECL_BITFIELD3(_a, _b, _c) \
uint8_t _a, _b, _c
#define DECL_BITFIELD4(_a, _b, _c, _d) \
uint8_t _a, _b, _c, _d
#define DECL_BITFIELD5(_a, _b, _c, _d, _e) \
uint8_t _a, _b, _c, _d, _e
#define DECL_BITFIELD6(_a, _b, _c, _d, _e, _f) \
uint8_t _a, _b, _c, _d, _e, _f
#define DECL_BITFIELD7(_a, _b, _c, _d, _e, _f, _g) \
uint8_t _a, _b, _c, _d, _e, _f, _g
#define DECL_BITFIELD8(_a, _b, _c, _d, _e, _f, _g, _h) \
uint8_t _a, _b, _c, _d, _e, _f, _g, _h
#elif defined(_BIT_FIELDS_HTOL)
#define DECL_BITFIELD2(_a, _b) \
uint8_t _b, _a
#define DECL_BITFIELD3(_a, _b, _c) \
uint8_t _c, _b, _a
#define DECL_BITFIELD4(_a, _b, _c, _d) \
uint8_t _d, _c, _b, _a
#define DECL_BITFIELD5(_a, _b, _c, _d, _e) \
uint8_t _e, _d, _c, _b, _a
#define DECL_BITFIELD6(_a, _b, _c, _d, _e, _f) \
uint8_t _f, _e, _d, _c, _b, _a
#define DECL_BITFIELD7(_a, _b, _c, _d, _e, _f, _g) \
uint8_t _g, _f, _e, _d, _c, _b, _a
#define DECL_BITFIELD8(_a, _b, _c, _d, _e, _f, _g, _h) \
uint8_t _h, _g, _f, _e, _d, _c, _b, _a
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
#if !defined(_KMEMUSER) && !defined(offsetof)
/* avoid any possibility of clashing with <stddef.h> version */