H. Peter Anvin [Sat, 16 Feb 2008 06:35:18 +0000 (22:35 -0800)]
Don't close the A20 gate; leave it open
Don't close the A20 gate (restore to previous state); leave it open.
This is good for performance, but also avoids a nasty race condition
when leaving protected mode to then quickly re-enter protected mode.
H. Peter Anvin [Sat, 16 Feb 2008 02:32:12 +0000 (18:32 -0800)]
Slightly simpler to use interface to simple_pm_call
Clean up the interface to simple_pm_call so we generally can avoid a
bunch of push/call/pop/ret boilerplate.
H. Peter Anvin [Sat, 16 Feb 2008 02:10:54 +0000 (18:10 -0800)]
bcopy32: refactor the bcopy routine to be able to reuse the pm part
Refactor the bcopy routine to be able to reuse the pm entry and exit
portion to call other "simple" protected-mode routines ("simple" in
the sense that no interrupt thunking support is present or expected.)
Note: consider whether or not it would be preferrable to move the
thunking support into low memory and have it be always present.
H. Peter Anvin [Thu, 14 Feb 2008 08:02:43 +0000 (00:02 -0800)]
VESA: suppress an unused arguments warning
Suppress a warning about unused arguments.
H. Peter Anvin [Thu, 14 Feb 2008 08:02:12 +0000 (00:02 -0800)]
VESA: align the row buffer to a multiple of 4 bytes.
We do dword accesses to the row buffer, so align it to 4 bytes.
H. Peter Anvin [Thu, 14 Feb 2008 08:01:20 +0000 (00:01 -0800)]
Add __aligned() and __alignas() macros
Add macros __aligned() (which takes a byte count), and __alignas()
(which takes a type or expression whose type is used, same as sizeof).
H. Peter Anvin [Thu, 14 Feb 2008 06:37:33 +0000 (22:37 -0800)]
VESA: Minor cleanups
Minor cleanups for clarity
H. Peter Anvin [Thu, 14 Feb 2008 06:21:37 +0000 (22:21 -0800)]
VESA: move debugging code to separate header file
Move the debugging function to a separate header file, so we can
include it at will when convenient.
H. Peter Anvin [Thu, 14 Feb 2008 06:17:03 +0000 (22:17 -0800)]
Set the window size to 2 GB for linear framebuffer
Set the window size to 2 GB for linear framebuffer, lest the
calculation:
l = min(bytes, win_size-win_off);
... incorrectly returns zero when win_off == 0.
H. Peter Anvin [Thu, 14 Feb 2008 05:43:00 +0000 (21:43 -0800)]
Bypass pixel conversion when the output format is BGRA32
When the output format is BGRA32, we don't need any conversion at
all. Skip the dummy copy.
H. Peter Anvin [Thu, 14 Feb 2008 05:38:37 +0000 (21:38 -0800)]
Treat linear framebuffer as a degenerate paged framebuffer
Simplify the code by treating linear framebuffer as a degenerate case
of a paged framebuffer (a single window covering all of memory, which
is already in position 0 - the only possible position.)
H. Peter Anvin [Thu, 14 Feb 2008 03:00:12 +0000 (19:00 -0800)]
VESA: move pixel formatting into __vesacon_copy_to_screen()
Make pixel formatting an integral part of __vesacon_copy_to_screen().
In order to cut down on the dispatch overhead, make the formatting
functions contain the pixel loop, so we only do indirect dispatch
twice per pixel row - once for the formatting and once for copying to
the screen.
H. Peter Anvin [Thu, 14 Feb 2008 02:03:17 +0000 (18:03 -0800)]
Fix the calculation of bytes_per_pixel
Handle cases where __vesa_info.mi.bpp is not a multiple of 8, e.g. 15.
Remove totally redundant switch statement in vesacon_update_characters().
H. Peter Anvin [Thu, 14 Feb 2008 01:49:38 +0000 (17:49 -0800)]
Replace C version of memmove() with slightly optimized assembly
Replace the C version of memmove() with a slightly more optimized
assembly version that at least can do dword-sized rep moves.
H. Peter Anvin [Thu, 14 Feb 2008 00:08:27 +0000 (16:08 -0800)]
Document support for nonlinear frame buffers.
H. Peter Anvin [Thu, 14 Feb 2008 00:06:29 +0000 (16:06 -0800)]
VESA: Support 15-bit RGB modes.
If there are manufacturers which don't support linear framebuffers out
there, then there is probably someone who want a 15-bit mode, too.
H. Peter Anvin [Thu, 14 Feb 2008 00:05:06 +0000 (16:05 -0800)]
Add support for paged (banked) VESA video mode
Add support for paged ("banked", non-linear-framebuffer) VESA video
modes. Apparently some manufacturers haven't caught on that
non-linear graphics modes have been obsolete for 15 years or so
already.
H. Peter Anvin [Wed, 13 Feb 2008 18:58:29 +0000 (10:58 -0800)]
Correct comment specific to SYSLINUX in the other derivatives
There was a comment which applied to SYSLINUX that had been copied
verbatim to the other derivatives; fix.
H. Peter Anvin [Wed, 13 Feb 2008 18:56:39 +0000 (10:56 -0800)]
isolinux: spec buffer size is 13h (19), not 13
The El Torito spec says "13", but it's implicitly hexadecimal. We got
it right in one place and wrong in another. Fix.
H. Peter Anvin [Wed, 13 Feb 2008 02:38:39 +0000 (18:38 -0800)]
The shuffle descriptors need to be unused for input *and* output
The memory used to hold shuffle descriptors must be unused during the
entire execution of the shuffle sequence, and therefore needs to be
free at input *and* output time.
Once we have picked a region for the shuffle descriptors, we can free
this working copy and start over with a clean memory map, the only
thing we do there is mark as reserved the memory used by the
descriptors.
H. Peter Anvin [Wed, 13 Feb 2008 00:53:20 +0000 (16:53 -0800)]
Change the minimum number of shuffle descriptors to 64.
Only use 64 as a static guarantee of the number of shuffle
descriptors; corresponding to 768 bytes of memory.
H. Peter Anvin [Wed, 13 Feb 2008 00:47:39 +0000 (16:47 -0800)]
Query the shuffle descriptor set size and use it
Query the maximum number of shuffle descriptors, and use that number
as the descriptor block size.
H. Peter Anvin [Wed, 13 Feb 2008 00:39:17 +0000 (16:39 -0800)]
Move the prototypes for syslinux_shuffle_boot_*()
Move the prototypes for syslinux_shuffle_boot_[pr]m() from
<syslinux/movebits.h> to <syslinux/boot[pr]m.h>, which anyway has the
required structure definitions. #include <syslinux/movebits.h> in
those files instead of relying on forward structure definitions.
H. Peter Anvin [Wed, 13 Feb 2008 00:05:04 +0000 (16:05 -0800)]
A bit more exactitude in the documentation
H. Peter Anvin [Tue, 12 Feb 2008 23:56:45 +0000 (15:56 -0800)]
Switch the display file and graphics routines to using the getc stack
The file display and graphics routines used their own file management
since the old getc code did not nest. The new one does (necessary to
support INCLUDE), so use the same routines and get rid of the ad hoc
buffer management.
H. Peter Anvin [Tue, 12 Feb 2008 23:48:25 +0000 (15:48 -0800)]
getc: don't clobber AH; return CF=1, AL=0 on end of file
Don't clobber AH when calling getc; when returning with CF=1 (EOF),
always return with AL=0.
H. Peter Anvin [Tue, 12 Feb 2008 22:11:06 +0000 (14:11 -0800)]
NEWS: document longer command line limit.
H. Peter Anvin [Tue, 12 Feb 2008 22:10:13 +0000 (14:10 -0800)]
simple menu: extend command line size to 2047 characters
Extend the command line size to 2047 characters. The editor probably
doesn't deal all that well with it; as it pretty much needs a
scrolling window of some sort (2047 characters is bigger than an 80x25
screen.)
Worry about that bit later.
H. Peter Anvin [Tue, 12 Feb 2008 21:09:07 +0000 (13:09 -0800)]
Change command line limit to 2047 characters
Change the command line limit to 2047 characters, which is also the
current kernel limit. As a result, shuffle around the memory layout
to make the larger buffers fit.
TODO: consider moving vgafontbuf to getcseg, and try to make do with
fewer command line-sized buffers.
H. Peter Anvin [Tue, 12 Feb 2008 08:32:24 +0000 (00:32 -0800)]
Remove last users of getcbuf; reclaim the address space
Remove the last few uses of getcbuf (to extend trackbuf for shuffle
descriptors, and for temp storage during pxelinux config file search.)
As a result, change the way RBFG_brainfuck is handled in pxelinux (at
some point it's probably not worth maintaining anymore, as RBFG is no
longer widely used); add a .bss2 section for the region between the
RBFG zone and the stack.
H. Peter Anvin [Tue, 12 Feb 2008 02:35:41 +0000 (18:35 -0800)]
shuffle: avoid computing block lists that will never converge
It is safe to assume that the number of moves will never decrease as
the reserved memory space increases; thus, no need to do individual
increments; skip ahead.
H. Peter Anvin [Tue, 12 Feb 2008 02:00:15 +0000 (18:00 -0800)]
Document changes
H. Peter Anvin [Tue, 12 Feb 2008 01:55:29 +0000 (17:55 -0800)]
Handle arbitrary numbers of shuffle descriptors
Allocate high memory out of the way to hold the shuffle descriptors,
and generate continuation descriptors as needed.
H. Peter Anvin [Tue, 12 Feb 2008 01:54:18 +0000 (17:54 -0800)]
comboot: guarantee at least 256 shuffle descriptors
Make a static guarantee of a minimum of 256 shuffle descriptors.
H. Peter Anvin [Tue, 12 Feb 2008 01:34:21 +0000 (17:34 -0800)]
Working on version 3.62
H. Peter Anvin [Mon, 11 Feb 2008 06:53:07 +0000 (22:53 -0800)]
simple menu: support sha256 and sha512 passwords
Add support for sha256 and sha512 passwords in the simple menu system.
H. Peter Anvin [Mon, 11 Feb 2008 06:52:36 +0000 (22:52 -0800)]
com32/*: move _GNU_SOURCE definitions into Makefiles
We need _GNU_SOURCE when compiling for Linux in enough places. Just
move it to the LNXCFLAGS definition in the Makefiles.
H. Peter Anvin [Mon, 11 Feb 2008 06:50:32 +0000 (22:50 -0800)]
libutil: add header file <xcrypt.h> for extended crypt routines
Add a common header file, xcrypt.h, for the various extended crypt
routines (md5, sha256, sha512).
H. Peter Anvin [Mon, 11 Feb 2008 06:48:25 +0000 (22:48 -0800)]
mempcpy(): correct naming of the mempcpy() function
All the internal symbols in mempcpy.S were "memcpy", which is
obviously wrong.
H. Peter Anvin [Mon, 11 Feb 2008 06:35:00 +0000 (22:35 -0800)]
simple menu: update copyright notices; clean whitespace
H. Peter Anvin [Mon, 11 Feb 2008 06:32:46 +0000 (22:32 -0800)]
simple menu: break password comparisons out into a separate file
Move passwd_compare() into a separate source file, for cleanliness.
H. Peter Anvin [Mon, 11 Feb 2008 06:31:32 +0000 (22:31 -0800)]
menu.c: add missing return statement
draw_background() returns int; make it return 0.
H. Peter Anvin [Mon, 11 Feb 2008 06:26:06 +0000 (22:26 -0800)]
Simple menu system: move to dedicated subdirectory
Move the simple menu system into its own subdirectory, to make it more
obvious which source files are part of it.
H. Peter Anvin [Fri, 8 Feb 2008 22:59:59 +0000 (14:59 -0800)]
memdump: avoid comma in filenames
Avoid using commas in filenames, since not all systems can handle
them.
H. Peter Anvin [Fri, 8 Feb 2008 22:57:49 +0000 (14:57 -0800)]
memdump: add .bin suffix to generated filenames
Add a .bin suffix to generated filenames
H. Peter Anvin [Fri, 8 Feb 2008 18:48:42 +0000 (10:48 -0800)]
Zero-terminate "aborted." string.
The string "aborted." was missing a null terminator.
H. Peter Anvin [Fri, 1 Feb 2008 23:46:33 +0000 (15:46 -0800)]
Document e820 parser change.
H. Peter Anvin [Fri, 1 Feb 2008 23:45:51 +0000 (15:45 -0800)]
E820 parser: handle BIOSes with multiple contiguous regions
Well, it has finally happened: a bug report regarding a BIOS with
emits multiple contiguous memory regions. Handle that case, and
(hopefully) simplify the logic while we're at it.
H. Peter Anvin [Tue, 29 Jan 2008 05:50:24 +0000 (21:50 -0800)]
Document fixing MD5 passwords.
H. Peter Anvin [Tue, 29 Jan 2008 05:49:42 +0000 (21:49 -0800)]
menu: clean up and fix MD5 password code
MD5 password code would append the encrypted password to a previous
password, with the result that it would never match after picking a
wrong password. Fix.
H. Peter Anvin [Thu, 24 Jan 2008 22:22:29 +0000 (14:22 -0800)]
extlinux: early check for ext2/ext3-ness of filesystem
Verify that we have an ext2 or ext3 filesystem early on.
H. Peter Anvin [Wed, 23 Jan 2008 07:16:32 +0000 (23:16 -0800)]
meminfo.c32: a program to dump out the system memory map
Handy little utility for dumping out the system memory map. Changes
no other code.
H. Peter Anvin [Tue, 22 Jan 2008 22:52:47 +0000 (14:52 -0800)]
mbr: save another 5 bytes by terminating error on newline
Save another 5 bytes by making the newline character do double duty as
newline and string terminator.
H. Peter Anvin [Tue, 22 Jan 2008 22:35:51 +0000 (14:35 -0800)]
mbr.S: save one more byte
%ax is set to zero at the top; we then set it to 0x4100, so we only
need to change %ah, not all of %ax.
H. Peter Anvin [Thu, 17 Jan 2008 06:37:32 +0000 (01:37 -0500)]
Advanced menu: update #include path
H. Peter Anvin [Thu, 17 Jan 2008 06:14:57 +0000 (01:14 -0500)]
ISOLINUX: fix booting when mastered with non-mkisofs tools
When we are *not* mastered with mkisofs, we depend on running the
checksumiso.pl script, in order to create a default boot info table.
Due to the Makefile changes in 3.50 (commit
9e3d217ee3869e4f4ddb1466621c079e14754660) that hasn't happened since
3.50-pre23.
Make it work now.
H. Peter Anvin [Wed, 16 Jan 2008 18:07:35 +0000 (10:07 -0800)]
Next version is 3.61
H. Peter Anvin [Wed, 16 Jan 2008 18:00:32 +0000 (13:00 -0500)]
EXTLINUX: correct bug when accessing an empty file; update NEWS.
Correct a bug that caused EXTLINUX to crash when accessing an empty
file.
H. Peter Anvin [Wed, 16 Jan 2008 17:50:49 +0000 (12:50 -0500)]
Standardize format for copyright lines and update
Update copyright lines and standardize the format.
H. Peter Anvin [Tue, 15 Jan 2008 20:14:03 +0000 (15:14 -0500)]
elf.c32: a PHDR segment is loadable; handle filesz > memsz
PHDR segments are equal to LOAD segments as far as the loader is
concerned. Also handle the case of filesz > memsz (by ignoring the
additional data.)
Jeffrey Hutzelman [Tue, 15 Jan 2008 03:34:08 +0000 (22:34 -0500)]
SHA1 passwords: initialize the context before salting
Need to initialize the SHA-1 context before we add the salt.
H. Peter Anvin [Fri, 11 Jan 2008 22:18:41 +0000 (14:18 -0800)]
adv: clean up NASM 2.01 warning
H. Peter Anvin [Fri, 11 Jan 2008 22:18:24 +0000 (14:18 -0800)]
Makefile: remove old cruft
H. Peter Anvin [Fri, 11 Jan 2008 06:42:00 +0000 (22:42 -0800)]
Merge commit 'syslinux-3.55' into adv
H. Peter Anvin [Fri, 11 Jan 2008 06:39:33 +0000 (22:39 -0800)]
specfile: install the man pages into %{_mandir}
H. Peter Anvin [Fri, 11 Jan 2008 06:37:06 +0000 (22:37 -0800)]
Fix the handling of man pages in the specfile.
H. Peter Anvin [Thu, 10 Jan 2008 19:16:16 +0000 (11:16 -0800)]
Merge commit 'origin/master' into adv
Conflicts:
extlinux/extlinux.c
H. Peter Anvin [Thu, 10 Jan 2008 19:13:57 +0000 (11:13 -0800)]
Update copyright year
H. Peter Anvin [Thu, 10 Jan 2008 03:07:30 +0000 (19:07 -0800)]
Merge commit 'origin/master' into adv
H. Peter Anvin [Thu, 10 Jan 2008 03:06:25 +0000 (19:06 -0800)]
Move rfc5071.txt into the doc directory
Documentation file needs to go in the doc directory...
H. Peter Anvin [Mon, 7 Jan 2008 23:13:59 +0000 (15:13 -0800)]
Unconditionally reset the ADV if we don't have one loaded from a medium
For non-extlinux derivatives, unconditionally initialize the in-memory
ADV to blank.
H. Peter Anvin [Mon, 7 Jan 2008 23:09:25 +0000 (15:09 -0800)]
Use the proper register when initializing a new ADV
H. Peter Anvin [Mon, 7 Jan 2008 22:16:17 +0000 (14:16 -0800)]
ADVSec0/1 are dwords, not bytes...
H. Peter Anvin [Sat, 5 Jan 2008 00:34:40 +0000 (16:34 -0800)]
Merge commit 'syslinux-3.55-pre4' into adv
H. Peter Anvin [Sat, 5 Jan 2008 00:24:11 +0000 (16:24 -0800)]
Handle vga={ask|normal|ext} in linux.c32
linux.c32 didn't handle vga={ask|normal|ext}, fix that.
H. Peter Anvin [Fri, 4 Jan 2008 04:32:11 +0000 (20:32 -0800)]
Fix incorrect handling of overlapping memory areas in bcopy32
bcopy32 had the test for forwards vs. backwards copy backwards, which
of course resulted in disaster when memory areas actually overlapped
themselves.
H. Peter Anvin [Thu, 3 Jan 2008 23:03:35 +0000 (15:03 -0800)]
Add simple module to load and run a protected-mode raw binary
Geert Stappers [Tue, 11 Dec 2007 08:31:37 +0000 (09:31 +0100)]
Document options to the syslinux command
Document options to the syslinux command (for doc/syslinux.doc).
H. Peter Anvin [Wed, 19 Dec 2007 00:14:41 +0000 (16:14 -0800)]
specfile: Manual pages are usually not tagged %doc
H. Peter Anvin [Tue, 18 Dec 2007 23:58:13 +0000 (15:58 -0800)]
Merge commit 'origin/master' into adv
H. Peter Anvin [Tue, 18 Dec 2007 23:55:10 +0000 (15:55 -0800)]
Move doc files to doc/, and add man pages from Debian
Move all the text documentation to the doc/ directory, add man pages
from the Debian syslinux package, and rename sys2ansi.pl to
syslinux2ansi.pl.
H. Peter Anvin [Tue, 18 Dec 2007 22:28:13 +0000 (14:28 -0800)]
Higher confidence in the harmlessness of the ADV code
Make more sure that the ADV code is harmless when the current
derivative doesn't support it.
H. Peter Anvin [Tue, 18 Dec 2007 22:24:08 +0000 (14:24 -0800)]
Document the EXTLINUX ADV commands.
H. Peter Anvin [Fri, 14 Dec 2007 23:33:15 +0000 (15:33 -0800)]
Update ADV documentation in comboot.doc
H. Peter Anvin [Fri, 14 Dec 2007 23:14:10 +0000 (15:14 -0800)]
Add missing libinstaller files
Files missing from previous checkin, sigh.
H. Peter Anvin [Fri, 14 Dec 2007 23:12:41 +0000 (15:12 -0800)]
Document ADV and its stuff
H. Peter Anvin [Fri, 14 Dec 2007 23:10:22 +0000 (15:10 -0800)]
Call this version 3.60. The gPXE support work is waiting for them.
The gPXE folk are stalled on their side of the gPXE support bargain.
Thus call this version 3.60 instead.
H. Peter Anvin [Fri, 14 Dec 2007 23:09:11 +0000 (15:09 -0800)]
Create libinstaller; actually implement boot-once for extlinux
--once now supported for extlinux; some infrastructure for syslinux
there as well, need implementation in all the various installers,
however.
H. Peter Anvin [Thu, 13 Dec 2007 22:47:48 +0000 (14:47 -0800)]
syslinux_setadv(): handle size == 0, error on size > 255
size == 0 means delete item; we don't want a header then.
size > 255 is always an error.
H. Peter Anvin [Thu, 13 Dec 2007 22:46:04 +0000 (14:46 -0800)]
Library routines for manipulating ADV data
H. Peter Anvin [Thu, 13 Dec 2007 22:07:59 +0000 (14:07 -0800)]
Documentation: ADV was definitely not in 3.53...
H. Peter Anvin [Thu, 13 Dec 2007 21:55:21 +0000 (13:55 -0800)]
Snapshot: initialize the default ADV for disk-based derivatives
For the disk-based derivatives, handle the default ADV that is part of
the image.
H. Peter Anvin [Mon, 15 Oct 2007 23:20:32 +0000 (16:20 -0700)]
Use the ADV to support boot-once
Define ADV tag 1 as boot-once; overrides DEFAULT once only
H. Peter Anvin [Thu, 11 Oct 2007 23:03:30 +0000 (16:03 -0700)]
Initial support for auxilliary data vector
Initial support for the auxillary data vector, a storage mechanism
intended to support boot-once and similar features.
H. Peter Anvin [Thu, 13 Dec 2007 18:11:05 +0000 (10:11 -0800)]
Deprecate PXELINUX option 208 in accordance with RFC 5071
As per RFC 5071, deprecate the use of PXELINUX option 208 (magic
number); options 209-211 are now specifically assigned to PXELINUX.
H. Peter Anvin [Thu, 13 Dec 2007 18:01:43 +0000 (10:01 -0800)]
3.54 is gone, now working on 3.55
H. Peter Anvin [Wed, 12 Dec 2007 23:18:20 +0000 (15:18 -0800)]
BBS on Award, not Phoenix, is broken... don't know about Phoenix.
The systems on which BBS has been found broken is Award, not Phoenix.
H. Peter Anvin [Wed, 12 Dec 2007 21:32:28 +0000 (13:32 -0800)]
Stealth whitespace cleanup
H. Peter Anvin [Tue, 11 Dec 2007 18:32:57 +0000 (10:32 -0800)]
Document cfarcall thunking support
H. Peter Anvin [Tue, 11 Dec 2007 01:54:37 +0000 (17:54 -0800)]
cdecl helper is 3.54 material