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* Revert r327828, r327949, r327953, r328016-r328026, r328041:Pedro F. Giffuni2018-01-211-1/+1
| | | | | | | | | | | | | | | | | | Uses of mallocarray(9). The use of mallocarray(9) has rocketed the required swap to build FreeBSD. This is likely caused by the allocation size attributes which put extra pressure on the compiler. Given that most of these checks are superfluous we have to choose better where to use mallocarray(9). We still have more uses of mallocarray(9) but hopefully this is enough to bring swap usage to a reasonable level. Reported by: wosch PR: 225197 Notes: svn path=/head/; revision=328218
* dev: make some use of mallocarray(9).Pedro F. Giffuni2018-01-131-1/+1
| | | | | | | | | | | | | | Focus on code where we are doing multiplications within malloc(9). None of these is likely to overflow, however the change is still useful as some static checkers can benefit from the allocation attributes we use for mallocarray. This initial sweep only covers malloc(9) calls with M_NOWAIT. No good reason but I started doing the changes before r327796 and at that time it was convenient to make sure the sorrounding code could handle NULL values. Notes: svn path=/head/; revision=327949
* sys/dev: further adoption of SPDX licensing ID tags.Pedro F. Giffuni2017-11-271-0/+2
| | | | | | | | | | | | | | | 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. Notes: svn path=/head/; revision=326255
* Remove pc98 support completely.Yoshihiro Takahashi2017-01-281-4/+0
| | | | | | | | | I thank all developers and contributors for pc98. Relnotes: yes Notes: svn path=/head/; revision=312910
* Replace explicit calls to video methods with their respective variantsWojciech A. Koszek2007-12-291-7/+7
| | | | | | | | | | | | | | | | | | implemented with macros. This patch improves code readability. Reasoning behind vidd_* is a sort of "video discipline". List of macros is supposed to be complete--all methods of video_switch ought to have their respective macros from now on. Functionally, this code should be no-op. My intention is to leave current behaviour of touched code as is. No objections: rwatson Silence on: freebsd-current@ Approved by: cognet Notes: svn path=/head/; revision=174985
* Optimize set_origin() use in some screensavers to stop them eatingPhilip Paeps2007-02-211-2/+9
| | | | | | | | | | | cpu power when the origin hasn't changed. PR: kern/100683 Submitted by: Gareth McCaughan <gareth -dot- mccaughan -at- pobox.com> MFC after: 3 days Notes: svn path=/head/; revision=166868
* Use the clear function provided by the video adapter driver.Yoshihiro Takahashi2003-07-211-5/+2
| | | | | | | Submitted by: chi@bd.mbn.or.jp (Chiharu Shibata) Notes: svn path=/head/; revision=117833
* Add new graphical screen saver (dragon_saver).Akio Morita2002-03-231-59/+120
| | | | | | | Add support for NEC PC-9821 PEGC screen (fire/logo/rain/warp_saver). Notes: svn path=/head/; revision=93011
* Remove unneeded header.Mark Murray2000-06-251-1/+0
| | | | Notes: svn path=/head/; revision=62065
* More machdep/random.h -> sys/random.h fixes.Boris Popov2000-04-251-2/+1
| | | | Notes: svn path=/head/; revision=59617
* $Id$ -> $FreeBSD$Peter Wemm1999-08-281-1/+1
| | | | Notes: svn path=/head/; revision=50477
* The second phase of syscons reorganization.Kazutaka YOKOTA1999-06-221-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Split syscons source code into manageable chunks and reorganize some of complicated functions. - Many static variables are moved to the softc structure. - Added a new key function, PREV. When this key is pressed, the vty immediately before the current vty will become foreground. Analogue to PREV, which is usually assigned to the PrntScrn key. PR: kern/10113 Submitted by: Christian Weisgerber <naddy@mips.rhein-neckar.de> - Modified the kernel console input function sccngetc() so that it handles function keys properly. - Reorganized the screen update routine. - VT switching code is reorganized. It now should be slightly more robust than before. - Added the DEVICE_RESUME function so that syscons no longer hooks the APM resume event directly. - New kernel configuration options: SC_NO_CUTPASTE, SC_NO_FONT_LOADING, SC_NO_HISTORY and SC_NO_SYSMOUSE. Various parts of syscons can be omitted so that the kernel size is reduced. SC_PIXEL_MODE Made the VESA 800x600 mode an option, rather than a standard part of syscons. SC_DISABLE_DDBKEY Disables the `debug' key combination. SC_ALT_MOUSE_IMAGE Inverse the character cell at the mouse cursor position in the text console, rather than drawing an arrow on the screen. Submitted by: Nick Hibma (n_hibma@FreeBSD.ORG) SC_DFLT_FONT makeoptions "SC_DFLT_FONT=_font_name_" Include the named font as the default font of syscons. 16-line, 14-line and 8-line font data will be compiled in. This option replaces the existing STD8X16FONT option, which loads 16-line font data only. - The VGA driver is split into /sys/dev/fb/vga.c and /sys/isa/vga_isa.c. - The video driver provides a set of ioctl commands to manipulate the frame buffer. - New kernel configuration option: VGA_WIDTH90 Enables 90 column modes: 90x25, 90x30, 90x43, 90x50, 90x60. These modes are mot always supported by the video card. PR: i386/7510 Submitted by: kbyanc@freedomnet.com and alexv@sui.gda.itesm.mx. - The header file machine/console.h is reorganized; its contents is now split into sys/fbio.h, sys/kbio.h (a new file) and sys/consio.h (another new file). machine/console.h is still maintained for compatibility reasons. - Kernel console selection/installation routines are fixed and slightly rebumped so that it should now be possible to switch between the interanl kernel console (sc or vt) and a remote kernel console (sio) again, as it was in 2.x, 3.0 and 3.1. - Screen savers and splash screen decoders Because of the header file reorganization described above, screen savers and splash screen decoders are slightly modified. After this update, /sys/modules/syscons/saver.h is no longer necessary and is removed. Notes: svn path=/head/; revision=48104
* MFS: indent-assisted style cleanup.Dag-Erling Smørgrav1999-05-101-30/+27
| | | | Notes: svn path=/head/; revision=46899
* A little closer to style(9).Dag-Erling Smørgrav1999-05-081-58/+64
| | | | Notes: svn path=/head/; revision=46689
* Add missing copyright.Jordan K. Hubbard1999-05-041-0/+27
| | | | Notes: svn path=/head/; revision=46409
* Add "fire" screen saver.Jordan K. Hubbard1999-05-041-0/+103
Submitted by: Brad Forschinger <retch@flag.blackened.net> Notes: svn path=/head/; revision=46407
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