sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

aic7xxx: Fix re-building firmware with -fno-common

The generated C output for aicasm_scan.l defines yylineno already, so
references to it from other files should use an extern declaration.

The STAI

aic7xxx: Fix re-building firmware with -fno-common

The generated C output for aicasm_scan.l defines yylineno already, so
references to it from other files should use an extern declaration.

The STAILQ_HEAD use in aicasm_symbol.h also provided an identifier,
causing it to both define the struct type and define a variable of that
struct type, causing any C file including the header to define the same
variable. This variable is not used (and confusingly clashes with a
field name just below) and was likely caused by confusion when switching
between defining fields using similar type macros and defining the type
itself.

Reviewed by: imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D30525

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sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

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.

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aic7xxx: minor spelling fixes.

Affects mostly comments but also a visible text string,

Differential Revision: https://reviews.freebsd.org/D6270

Merge fresh head.

IFC @247348.

Sync with HEAD.

IFC @ r244983.

remove redundant yyparse declarations

PR: conf/174079
Submitted by: Garrett Cooper <yanegomi@gmail.com>

MFC

IFC @ r243164

Fix a bug in aicasm_gram.y, noted by a newer clang 3.2 snapshot: it
compared an enum scope_type against a yacc-generated define, so the
condition would always be false.

MFC after: 3 days

IFC @ r224187

Integrate from Head into ZFSD feature branch as of revision r224141.

Improve portability #defines for compiling aicasm on other systems.

Submitted by: Robert Millan rmh debian.org
Obtained from: Debian GNU/kFreeBSD

Merge svn+ssh://svn.freebsd.org/base/head@211344

Correct logic bug in aicasm's undefined register bit access detection code.

The code in question verifies that all register write operations only change
bits that are defined (in the register defini

Correct logic bug in aicasm's undefined register bit access detection code.

The code in question verifies that all register write operations only change
bits that are defined (in the register definition file) for that effected
register. The bug effectively disabled this checking.

o Fix the check by testing the opcode against all supported read ("and" based)
operands.

o Add missing bit definitions to the aic7xxx and aic79xx register definition
files so that the warning (treated as a fatal error) does not spuriously
fire.

Reported by: Pawel Worach <pawel.worach@gmail.com>
MFC after: 1 week

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Merge from head

- Merge from HEAD

Code cleanups to make this WARNS=6 clean.

PR: bin/96128

Fix a group of typos:
preceed -> precede,
preceeded -> preceded,
preceeding -> preceding.

Submitted by: Andre Guibert de Bruet <andy@siliconlandmark.com>

Start each of the license/copyright comments with /*-, minor shuffle of lines

Allow constants to be complex expressions so long as those
expressions can be fully evaluated during assembly.

Remove the numerical_value portion of the grammer which is
no longer referenced.

Minor updates to the aicasm:

aicasm_gram.y:
Use a direct move from allzeros to emulate a
mvi of 0.

aicasm_insformat.h:
sync $Id$

aicasm_symbol.c:
Minor header change.

Approved by: re (blanket)

Remove redundant inclusion of inttypes.h in aicasm_gram.y
and properly sort inttypes.h into list of includes.

Noticed by: Mike Barcroft <mike@freebsd.org>