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29363fb4 |
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23-Nov-2023 |
Warner Losh <imp@FreeBSD.org> |
sys: Remove ancient SCCS tags. Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
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2ff63af9 |
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16-Aug-2023 |
Warner Losh <imp@FreeBSD.org> |
sys: Remove $FreeBSD$: one-line .h pattern Remove /^\s*\*+\s*\$FreeBSD\$.*$\n/
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e35448a9 |
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14-Feb-2023 |
Warner Losh <imp@FreeBSD.org> |
powerpc: Drop old workaround for old gcc Very old versions of gcc defined _BIG_ENDIAN and _LITTLE_ENDIAN. So to work around that, we undefined them here. However, that causes problems for programs that do: (and many other variations on that theme). Since this often is the result of weirdly nested includes in the ports world that are hard to unwind, drop this workaround to help more ports build out of the box. If there's still an issue here (and my testing hasn't shown it), we'll fix the issue in a brand-new way once I have a reproducer. This fixes the mesa-devel build, and others Sponsored by: Netflix Tested by: pkubaj MFC After: 3 days Differential Revision: https://reviews.freebsd.org/D38564
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720dc6bc |
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01-Mar-2021 |
Mitchell Horne <mhorne@FreeBSD.org> |
Consolidate machine/endian.h definitions This change serves two purposes. First, we take advantage of the compiler provided endian definitions to eliminate some long-standing duplication between the different versions of this header. __BYTE_ORDER__ has been defined since GCC 4.6, so there is no need to rely on platform defaults or e.g. __MIPSEB__ to determine endianness. A new common sub-header is added, but there should be no changes to the visibility of these definitions. Second, this eliminates the hand-rolled __bswapNN() routines, again in favor of the compiler builtins. This was done already for x86 in e6ff6154d203. The benefit here is that we no longer have to maintain our own implementations on each arch, and can instead rely on the compiler to emit appropriate instructions or libcalls, as available. This should result in equivalent or better code generation. Notably 32-bit arm will start using the `rev` instruction for these routines, which is available on armv6+. PR: 236920 Reviewed by: arichardson, imp Tested by: bdragon (BE powerpc) MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D29012
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51369649 |
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20-Nov-2017 |
Pedro F. Giffuni <pfg@FreeBSD.org> |
sys: further adoption of SPDX licensing ID tags. Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point.
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fbbd9655 |
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28-Feb-2017 |
Warner Losh <imp@FreeBSD.org> |
Renumber copyright clause 4 Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
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0558e4bb |
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06-Jul-2014 |
Nathan Whitehorn <nwhitehorn@FreeBSD.org> |
In case we ever support little-endian PowerPC (probably userland only), avoid hardcoding endianness here.
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63d094a7 |
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09-Mar-2012 |
Dimitry Andric <dim@FreeBSD.org> |
Add casts to __uint16_t to the __bswap16() macros on all arches which didn't already have them. This is because the ternary expression will return int, due to the Usual Arithmetic Conversions. Such casts are not needed for the 32 and 64 bit variants. While here, add additional parentheses around the x86 variant, to protect against unintended consequences. MFC after: 2 weeks
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e2c3e32a |
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02-Dec-2010 |
Nathan Whitehorn <nwhitehorn@FreeBSD.org> |
Define bswap macros for constants to allow the compiler to pre-compute byte-swapped versions of compile-time constants. This allows use of bswap() and htole*() in initializers, which is required to cross-build btxld. Obtained from: sparc64
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a7d5f7eb |
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19-Oct-2010 |
Jamie Gritton <jamie@FreeBSD.org> |
A new jail(8) with a configuration file, to replace the work currently done by /etc/rc.d/jail.
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636f2ebf |
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29-Oct-2008 |
Marcel Moolenaar <marcel@FreeBSD.org> |
Add support for little-endian compilations to this file.
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d7f03759 |
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19-Oct-2008 |
Ulf Lilleengen <lulf@FreeBSD.org> |
- Import the HEAD csup code which is the basis for the cvsmode work.
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a5f50ef9 |
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02-Mar-2005 |
Joerg Wunsch <joerg@FreeBSD.org> |
netchild's mega-patch to isolate compiler dependencies into a central place. This moves the dependency on GCC's and other compiler's features into the central sys/cdefs.h file, while the individual source files can then refer to #ifdef __COMPILER_FEATURE_FOO where they by now used to refer to #if __GNUC__ > 3.1415 && __BARC__ <= 42. By now, GCC and ICC (the Intel compiler) have been actively tested on IA32 platforms by netchild. Extension to other compilers is supposed to be possible, of course. Submitted by: netchild Reviewed by: various developers on arch@, some time ago
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2fcbca0d |
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06-Apr-2004 |
Warner Losh <imp@FreeBSD.org> |
Remove advertising clause from University of California Regent's license, per letter dated July 22, 1999 and email from Peter Wemm, Alan Cox and Robert Watson. Approved by: core, peter, alc, rwatson
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eeb086be |
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03-Aug-2003 |
David E. O'Brien <obrien@FreeBSD.org> |
Deal with GCC annoyingly defining _BIG_ENDIAN.
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c0d4804d |
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22-Sep-2002 |
Mike Barcroft <mike@FreeBSD.org> |
Be careful not to define GCC-specific optimizations in the non-GCC case.
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abbd8902 |
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21-Aug-2002 |
Mike Barcroft <mike@FreeBSD.org> |
o Merge <machine/ansi.h> and <machine/types.h> into a new header called <machine/_types.h>. o <machine/ansi.h> will continue to live so it can define MD clock macros, which are only MD because of gratuitous differences between architectures. o Change all headers to make use of this. This mainly involves changing: #ifdef _BSD_FOO_T_ typedef _BSD_FOO_T_ foo_t; #undef _BSD_FOO_T_ #endif to: #ifndef _FOO_T_DECLARED typedef __foo_t foo_t; #define _FOO_T_DECLARED #endif Concept by: bde Reviewed by: jake, obrien
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795aff0e |
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12-Apr-2002 |
Mike Barcroft <mike@FreeBSD.org> |
Include <sys/cdefs.h> for definition of __BSD_VISIBLE. Pointy hat to: mike
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7f0f1cfd |
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10-Apr-2002 |
Mike Barcroft <mike@FreeBSD.org> |
Add manifest constants: _LITTLE_ENDIAN, _BIG_ENDIAN, _PDP_ENDIAN, and _BYTE_ORDER. These are far more useful than their non-underscored equivalents as these can be used in restricted namespace environments. Mark the non-underscored variants as deprecated.
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d846855d |
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09-Mar-2002 |
Mike Barcroft <mike@FreeBSD.org> |
o Don't require long long support in bswap64() functions. o In i386's <machine/endian.h>, macros have some advantages over inlines, so change some inlines to macros. o In i386's <machine/endian.h>, ungarbage collect word_swap_int() (previously __uint16_swap_uint32), it has some uses on i386's with PDP endianness. Submitted by: bde o Move a comment up in <machine/endian.h> that was accidentially moved down a few revisions ago. o Reenable userland's use of optimized inline-asm versions of byteorder(3) functions. o Fix ordering of prototypes vs. redefinition of byteorder(3) functions, so that the non-GCC (libc asm) case has proper prototypes. o Add proper prototypes for byteorder(3) functions in <sys/param.h>. o Prevent redundant duplicate prototypes by making use of the _BYTEORDER_PROTOTYPED define. o Move the bswap16(), bswap32(), bswap64() C functions into MD space for platforms in which asm versions don't exist. This significantly reduces the complexity of some things at the cost of duplicate code. Reviewed by: bde
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90ce56c2 |
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27-Feb-2002 |
Thomas Moestl <tmm@FreeBSD.org> |
Add the following functions/macros to support byte order conversions and device drivers for bus system with other endinesses than the CPU (using interfaces compatible to NetBSD): - bwap16() and bswap32(). These have optimized implementations on some architectures; for those that don't, there exist generic implementations. - macros to convert from a certain byte order to host byte order and vice versa, using a naming scheme like le16toh(), htole16(). These are implemented using the bswap functions. - stream bus space access functions, which do not perform a byte order conversion (while the normal access functions would if the bus endianess differs from the CPU endianess). htons(), htonl(), ntohs() and ntohl() are implemented using the new functions above for kernel usage. None of the above interfaces is currently exported to user land. Make use of the new functions in a few places where local implementations of the same functionality existed. Reviewed by: mike, bde Tested on alpha by: mike
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fd8e4ebc |
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18-Feb-2002 |
Mike Barcroft <mike@FreeBSD.org> |
o Move NTOHL() and associated macros into <sys/param.h>. These are deprecated in favor of the POSIX-defined lowercase variants. o Change all occurrences of NTOHL() and associated marcros in the source tree to use the lowercase function variants. o Add missing license bits to sparc64's <machine/endian.h>. Approved by: jake o Clean up <machine/endian.h> files. o Remove unused __uint16_swap_uint32() from i386's <machine/endian.h>. o Remove prototypes for non-existent bswapXX() functions. o Include <machine/endian.h> in <arpa/inet.h> to define the POSIX-required ntohl() family of functions. o Do similar things to expose the ntohl() family in libstand, <netinet/in.h>, and <sys/param.h>. o Prepend underscores to the ntohl() family to help deal with complexities associated with having MD (asm and inline) versions, and having to prevent exposure of these functions in other headers that happen to make use of endian-specific defines. o Create weak aliases to the canonical function name to help deal with third-party software forgetting to include an appropriate header. o Remove some now unneeded pollution from <sys/types.h>. o Add missing <arpa/inet.h> includes in userland. Tested on: alpha, i386 Reviewed by: bde, jake, tmm
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03516cfe |
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29-Aug-2001 |
Mike Barcroft <mike@FreeBSD.org> |
o Remove some GCCisms in src/powerpc/include/endian.h. o Unify <machine/endian.h>'s across all architectures. o Make bswapXX() functions use a different spelling of u_int16_t and friends to reduce namespace pollution. The bswapXX() functions don't actually exist, but we'll probably import these at some point. Atleast one driver (if_de) depends on bswapXX() for big endian cases. o Deprecate byteorder(3) prototypes from <sys/types.h>, these are now prototyped indirectly in <arpa/inet.h>. o Deprecate in_addr_t and in_port_t typedefs in <sys/types.h>, these are now typedef'd in <arpa/inet.h>. o Change byteorder(3) prototypes to use standards compliant uint32_t (spelled __uint32_t to reduce namespace pollution). o Document new preferred headers and standards compliance. Discussed with: bde PR: 29946 Reviewed by: bmilekic
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75f4a9b2 |
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08-Jun-2001 |
David E. O'Brien <obrien@FreeBSD.org> |
ID style nit.
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8b625cb7 |
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24-Mar-2001 |
Hajimu UMEMOTO <ume@FreeBSD.org> |
Unbreak build on alpha. - Move in_port_t to sys/types.h. - Nuke in_addr_t from each endian.h. Reported by: jhb
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fa561e1e |
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01-Jan-2001 |
David E. O'Brien <obrien@FreeBSD.org> |
PowerPC platform-specific definitions. Obtained from: NetBSD (parts)
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