stand: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Rem

stand: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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stand: 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

stand: 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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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

loader: open file list should be dynamic

Summary:
Open file list is currently created as statically allocated array (64 items).
Once this array is filled up, loader will not be able to operate with

loader: open file list should be dynamic

Summary:
Open file list is currently created as statically allocated array (64 items).
Once this array is filled up, loader will not be able to operate with files.
In most cases, this mechanism is good enough, but the problem appears, when
we have many disks with zfs pool(s). In current loader implementation, all
discovered zfs pool configurations are kept in memory and disk devices open -
consuming the open file array. Rewrite the open file mechanism to use
dynamically allocated list.

Reviewed by: imp
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D31364

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loader: Use tslog to instrument some functions

In my initial testing, these are the functions which showed up as
being worth instrumenting. More may be added later.

common/console.c: cons_probe
co

loader: Use tslog to instrument some functions

In my initial testing, these are the functions which showed up as
being worth instrumenting. More may be added later.

common/console.c: cons_probe
common/gfx_fb.c: read_list, insert_font, autoload_font
common/interp.c: interact
common/interp_lua.c: interp_init, interp_run
efi/libefi/efipart.c: efipart_readwrite
i386/libi386/biosdisk.c: bd_init, bd_open, bd_edd_io, bd_chs_io, bd_io
libsa/open.c: open
libsa/read.c: read
libsa/twiddle.c: twiddle

Note that profiling interp_run may be of questionable utility as it
may depend on user behaviour (e.g. pressing keys).

Reviewed by: kevans (earlier version)

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libsa: f_rabuf could be NULL

It is possible that we will not get RA buffer from open(), therefore
we must validate RA.

libsa: cstyle cleanup for open/close/read/write sources

Merge ^/head r325663 through r325841.

Move sys/boot to stand. Fix all references to new location

Sponsored by: Netflix