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301 Commits

Author SHA1 Message Date
Doug Rabson
d66de00d95 Remove bogus implementation of _setjmp/_longjmp 2001-09-03 14:19:02 +00:00
Kris Kennaway
af42d47866 Check for malloc failure in a couple of cases 
MFC after:	2 weeks
 2001-09-03 05:57:06 +00:00
John Polstra
719077d1be Fix a bug in lseek which caused the loader to fail on some gzipped 
kernels.  The error message was "elf_loadexec: cannot seek".

Libstand maintains a read-ahead buffer for each open file, so that
it can read in chunks of 512 bytes for greater efficiency.  When
the loader tries to lseek forward in a file by a small amount, it
sometimes happens that the target file offset is already in the
read-ahead buffer.  But the lseek code simply discarded the contents
of that buffer and performed a seek directly on the underlying
file.  This resulted in an attempt to seek backwards in the file,
since some of the data has already been read into the read-ahead
buffer.  Gzipped data streams cannot seek backwards, so an error
was returned.

This commit adds code which checks to see if the desired file offset
is already in the read-ahead buffer.  If it is, the code simply
adjusts the buffer pointer and length, thereby avoiding a reverse
seek on the gzipped data stream.

I incorporated a suggestion from Matt Dillon which saved a little
bit of code in this fix.

Reviewed by:	dillon, gallatin, jhb
 2001-08-29 23:33:22 +00:00
Andrew Gallatin
c18092b2fb Bail if we go beyond the directory size, not just if we hit it. 
Certain ISO fs's (like the one for 4.4-RC1 disc1 on alpha)
trigger this, and we end up opening a null file name.  This causes us to get
a false match for "kernel.ko" when it does not exist.
 2001-08-23 17:08:26 +00:00
Ruslan Ermilov
753d686d34 mdoc(7) police: s/BSD/.Bx/ where appropriate. 2001-08-14 10:01:54 +00:00
Ruslan Ermilov
c5e7e03a14 Spell "FreeBSD" with "F" and "BSD" in uppercase. 2001-08-13 16:33:00 +00:00
Ruslan Ermilov
8af1452cf8 Removed duplicate VCS ID tags, as per style(9). 2001-08-13 14:06:34 +00:00
Mark Peek
44af2e3166 Make include file consistent with the rest of libstand. 2001-07-31 15:49:50 +00:00
Dima Dorfman
7ebcc426ef Remove whitespace at EOL. 2001-07-15 07:53:42 +00:00
Ruslan Ermilov
a307d59838 mdoc(7) police: removed HISTORY info from the .Os call. 2001-07-10 13:41:46 +00:00
Dima Dorfman
70d51341bf mdoc(7) police: remove extraneous .Pp before and/or after .Sh. 2001-07-09 09:54:33 +00:00
Mike Heffner
646bd49ed1 Reset errno so that subsequent TFTP requests don't fail after the 
first failure.

PR:		misc/25502
MFC after:	2 weeks
 2001-06-30 21:39:09 +00:00
Mike Smith
a5af32a054 Correct the returned UDP datagram length. See the PR for a more comprehensive 
description of the fix.

PR:		misc/25503
Submitted by:	Jim Browne <jbrowne@jbrowne.com>
MFC after:	1 week
 2001-05-28 22:27:06 +00:00
Mike Smith
dc46262eaa The shortest valid TFTP packet is 4 bytes, not 8. 
PR:		misc/25503
Submitted by:	Jim Browne <jbrowne@jbrowne.com>
MFC after:	1 week
 2001-05-28 22:25:44 +00:00
Daniel C. Sobral
1d7d62d1e0 Replace functional bugs of ctypish functions in libstand with style 
bugs.

reviewed by:	bde
MFC after:	1 week
 2001-05-14 16:49:20 +00:00
Mark Murray
51bf9b8a50 Compensate for header dethreading. 2001-05-01 09:37:01 +00:00
Mike Smith
688ad9f336 Unbreak world by defining isalnum() for libstand consumers. 2001-04-29 19:06:57 +00:00
Andrew Gallatin
481184b805 fix cd9660 to work on files larger than ISO_DEFAULT_BLOCK_SIZE and unbreak 
cdboot on alphas (which has been broken since just after 4.0-RELEASE)

submitted by: jlemon
 2001-04-07 23:48:46 +00:00
Ruslan Ermilov
4a558355e5 MAN[1-9] -> MAN. 2001-03-27 17:27:19 +00:00
Doug Rabson
a8c60cbef4 A quick and dirty port of libstand to ia64. 2001-03-06 16:11:36 +00:00
Ruslan Ermilov
bb1f93d519 Prepare for mdoc(7)NG. 2001-02-22 15:03:09 +00:00
Daniel C. Sobral
e94b7789ae Correct the prototype for pager_output(). 2001-02-22 10:58:30 +00:00
Kris Kennaway
07cd02bf4e Silence -Wnon-const-format 2001-02-18 04:51:47 +00:00
Jeroen Ruigrok van der Werven
2fa72ea7d4 Fix typo: compatability -> compatibility. 
Compatability is not an existing english word.
 2001-02-06 12:05:58 +00:00
Ruslan Ermilov
d0353b836e mdoc(7) police: split punctuation characters + misc fixes. 2001-02-01 16:38:02 +00:00
Ruslan Ermilov
c5083414f8 mdoc(7) police: removed leading whitespaces that are not inside 
Bd/Ed; these hardly degrade the quality of the produced output.
 2001-01-19 14:15:40 +00:00
Ruslan Ermilov
4263595653 Prepare for mdoc(7)NG. 2000-12-29 14:08:20 +00:00
Ruslan Ermilov
ed40311694 mdoc(7) police: removed history info from the .Os FreeBSD call. 2000-12-14 11:52:05 +00:00
Paul Saab
3894088f17 When TFTP tries to open a file, it is expecting struct open_file 
member f_devdata to be a pointer to a socket number.  When currdev
is "pxe", that assumption is correct.  When currdev is "disk*", that
assumption is incorrect.

Submitted by:	Jim Browne <jbrowne@jbrowne.com>
 2000-12-08 05:02:12 +00:00
Benno Rice
a2a9c8c79e Disable the end guard for now. 
The test for failing the end guard was always triggering (and was reported as
such in compiler warnings).  This is a temporary band-aid until I can work
out what's really going on.

Reviewed by:	obrien
 2000-11-10 06:15:24 +00:00
Benno Rice
2ef2c53036 Make setjmp work our way, as opposed to NetBSD's. 
This file needs commenting still.

Submitted by:	luoqi
Reviewed by:	obrien
 2000-11-10 06:10:28 +00:00
Benno Rice
71bb073d45 Don't always enable debugging for the network device code. 
Reviewed by:	obrien
 2000-11-10 06:06:55 +00:00
Paul Saab
3d122d8e2c Honor the ip address given in the root-path dhcp option. 
PR:	21743
Submitted by:	Brian Candler <B.Candler@pobox.com>
 2000-11-05 14:55:09 +00:00
David E. O'Brien
26d9c22460 Inital PowerPC loader build support. 
Submitted by:	Benno Rice <benno@jeamland.net>
 2000-10-10 13:22:41 +00:00
David E. O'Brien
8bbe68c46b Fix the embeded VCS ID for FreeBSD vs. NetBSD. 2000-10-10 13:15:26 +00:00
David E. O'Brien
f308707531 Architecture-specific setjump()/longjmp() bits for the PowerPC 
needed by the loader.

Submitted by:	Benno Rice <benno@jeamland.net>
Obtained from:	NetBSD (Wolfgang Solfrank <ws@@tools.de>)
 2000-10-10 13:11:47 +00:00
Paul Saab
2ead0fa6d7 IN_CLASS*() macros assume host order and s_addr is network byte 
order, so we must convert them to host order.
 2000-09-20 18:16:20 +00:00
Poul-Henning Kamp
fc87418be0 Turn dkcksum() into an __inline function. 
Change its type to u_int_16_t.
 2000-09-16 13:43:00 +00:00
Paul Saab
4d3367540c Backout last commit. It was wrong.. *sigh* 2000-09-10 01:17:47 +00:00
Paul Saab
6b9a6703e9 include string.h to silence a warning. 2000-09-10 01:10:15 +00:00
Mike Smith
6910d080a2 Expose the NFS root node, so that an evil consumer can use it to get the 
NFS filehandle for the root mount.
 2000-09-05 22:11:41 +00:00
Mike Smith
ba20acfdb2 Implement readahead buffering for non-raw files. This drastically improves 
the efficiency of byte-by-byte read operations on filesystems not already
supported by the block cache (especially NFS).

This should be a welcome change for users booting via PXE, as the loader
now reads its startup files almost instantly, instead of taking tens of
seconds.
 2000-09-05 09:52:50 +00:00
Peter Wemm
06a3891a49 Make libstand compile 2000-09-03 11:29:18 +00:00
Peter Wemm
6d93919795 Add the -mpreferred-stack-boundary=2 option to reduce code bloat. We 
compile the kernel with this.
 2000-08-11 23:18:37 +00:00
Paul Saab
646cf5017b Add support to send the string 'PXEClient' as the Vendor class 
identifier to the DHCP server.  Now you can check for this string
in your dhcp configuration to decide whether you will hand out a
lease to the client or not.
 2000-08-11 08:36:17 +00:00
John Baldwin
13ba80d4ce Cleanup warnings by adding missint prototypes, removing unneeded duplicate 
prototypes, and adding in several 'const's.  Also, add some missing
$FreeBSD$'s.

Found by:	BDECFLAGS
 2000-08-03 09:08:29 +00:00
Jake Burkholder
e39756439c Back out the previous change to the queue(3) interface. 
It was not discussed and should probably not happen.

Requested by:		msmith and others
 2000-05-26 02:09:24 +00:00
Jake Burkholder
740a1973a6 Change the way that the queue(3) structures are declared; don't assume that 
the type argument to *_HEAD and *_ENTRY is a struct.

Suggested by:	phk
Reviewed by:	phk
Approved by:	mdodd
 2000-05-23 20:41:01 +00:00
Peter Wemm
c536ef83f0 Fix the real problem that broke the Alpha loader this last week. It 
was not the fault of the module code, nor FICL.  The malloc code requires
sbrk() to return addresses that were at least 16 byte aligned.  If the
Alpha loader happened to be 8 byte but not 16 byte aligned in length, then
you would get a zfree() panic at startup.

Incidently, this affected the i386 loader as well, and explains why
the static heap changed things and why jlemon had trouble when the bss
was not ending at a multiple of 8 bytes.

My fix is to 16 byte align it on all arches, even though the x86 version
only required 8 byte alignment (struct MemNode is smaller there).  We could
page align it if we wanted to be paranoid, but it isn't presently necessary.
 2000-05-12 22:43:20 +00:00
Peter Wemm
72c520e887 We compile expressly on the alpha with -mno-fp-regs - so do not use them 
explicitly here. This was the original cause of instruction faults on
the Alpha in loader. (not this code, but the same problem in libficl.a)
 2000-05-12 21:48:54 +00:00
Paul Saab
d76f1a8cca Fix comment. 2000-05-06 04:50:09 +00:00
Paul Saab
db667a40a5 Add readdir support to the NFS filesystem in libstand. 2000-05-01 15:03:52 +00:00
Paul Saab
f12d45d9d6 Do not attempt to free a nfs node if it is the root node. The root 
node is statically allocated and is not guarded, so free will panic
in nfs_close.
 2000-05-01 10:53:21 +00:00
Jonathan Lemon
efb8ff8532 Add a readdir function to the loader fsops vector, and implement the 
functionality for some of the filesystesms.
 2000-04-29 20:47:10 +00:00
Jonathan Lemon
ee8d82ce9f Add ext2fs support to the loader. 2000-04-29 20:44:07 +00:00
Paul Saab
6450dd3cb4 Add a cleanup function. This is needed for PXE where you should 
shutdown the UNDI and unload the stack.
 2000-04-20 00:06:15 +00:00
Paul Saab
b1875374d3 Break out sendudp and readudp from net.c. This is for PXE, so it 
can use its own UDP interface.
 2000-04-08 01:18:04 +00:00
Sheldon Hearn
c6ff3a1bf7 Remove single-space hard sentence breaks. These degrade the quality 
of the typeset output, tend to make diffs harder to read and provide
bad examples for new-comers to mdoc.
 2000-03-02 09:14:21 +00:00
David E. O'Brien
f8c1abb102 trailing white space removal. 2000-01-18 07:43:12 +00:00
David E. O'Brien
c35874acaa Add two new functions cd9660_readfile() & cd9660_readdir(), which 
cd9660_read() now uses to read CDROMs.  With these changes FreeBSD/Alpha
can now boot from a bootable CDROM.

Submitted by:	dfr
 2000-01-18 07:37:10 +00:00
Peter Wemm
c447342094 Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL" 
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot).  This is consistant with the other
BSD's who made this change quite some time ago.  More commits to come.
 1999-12-29 05:07:58 +00:00
Peter Wemm
317b1ddf87 Use the ctype.h version of isascii() - it doesn't loose precision and think 
that 0x100 (int) is an ascii character.

Submitted by:	bde
 1999-12-28 11:48:23 +00:00
Peter Wemm
59e1f32482 Tidy up some loose ends. nullfs_read/write were returning the wrong value. 
Fix some ctype problems - isascii() caused a warning if fed an unsigned
char - it's always > 0 and libstand is compiled with -Wall.
Missing prototype/include in printf.c
 1999-12-27 08:45:14 +00:00
Peter Wemm
0fbac2a6c5 longjumperror() and abort() don't exist in libstand.. Don't test 
for a condition we can't handle (like the x86 longjmp).  This was
highlighted by attempting to build FICL into the alpha loader.
 1999-11-24 13:54:46 +00:00
Doug Rabson
04d5308a6b Change toupper/tolower so that they don't give a bogus answer if the 
argument is already upper/lower.
 1999-09-11 17:54:37 +00:00
Peter Wemm
7f3dea244c $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
Warner Losh
dcb0ae4ed8 More egcs warning fixes: 
o use braces to avoid potentially ambiguous else
	o don't default to type int (and also remove a useless register
	  modifier).
	o Use parens around assignment values used as truth values.
	o Remove unused function.

Reviewed by: obrien and chuckr
 1999-04-25 22:29:30 +00:00
John Polstra
d7e19a1d6a Don't build with -g. The a.out egcs can't handle it at the moment. 
This seems to have snuck back into the Makefile in an unrelated
commit (rev. 1.8).
 1999-04-22 15:47:21 +00:00
Daniel C. Sobral
8871c529f8 Remove float-point dependency from i386's version of setjmp()/longjmp(). 1999-02-12 17:22:30 +00:00
Daniel C. Sobral
64b0ea0c05 Copy _setjmp.S from libc in preparation for loader-specific version. 1999-02-12 17:20:19 +00:00
Jordan K. Hubbard
ff834009ea Oops. Missed this in the last commit. 
Submitted by: Daniel C. Sobral <dcs@newsguy.com>
 1999-02-01 12:32:37 +00:00
Mike Smith
a79658408c POSIX introduced optreset to deal with multiple invocations 
of getopt (as in, multiple input lines :). This is documented in the
man page and is used in the code, but unistd.h and stand.h do not
declare it. Incidentally, it prevents me fixing a bug in loader's
code... :-)

PR:		misc/9373
Submitted by:	"Daniel C. Sobral" <dcs@newsguy.com>
 1999-01-11 06:01:29 +00:00
Peter Wemm
49a35712aa Remove stray .endif from previous commit (I hope this is right) 1998-11-04 12:49:31 +00:00
Mike Smith
400a056059 Don't need this one anymore. 1998-11-04 07:40:05 +00:00
Mike Smith
b8ffd2a51c Well I never. Seems like _setjmp()/_longjmp() are just what the doctor 
ordered.  This brings the Alpha back to parity, and should bring us
BootForth on both platforms.

Submitted by:	John Birrell (jb@freebsd.org)
 1998-11-04 07:39:53 +00:00
Mike Smith
1add1a81da Improve the quality of isspace() to match expectations. This should make 
the Ficl interpreter read its softwords array OK.
 1998-11-04 07:04:00 +00:00
Mike Smith
797ed6379a Don't try to build (nonexistent) Alpha setjmp until we have one. 1998-11-04 00:32:08 +00:00
Mike Smith
25c3957dfd Move setjmp/longjmp implementations here from libc; no signal handling 
in libstand, only for i386 until I locate an alpha setjmp/longjmp.

Minimal 64-bit gcc integer support for i386.  This is kinda nasty, and
should be revisited once we decide whether the bootblocks need
quad arithmetic.
 1998-11-04 00:23:18 +00:00
Mike Smith
17bcf9c00a Add: 
assert()
	setjmp()/longjmp()
	vsprintf()
 1998-11-01 09:31:08 +00:00
Mike Smith
2baf3bb5a0 Add a new field to the devsw structure; dv_print, to print all valid units 
etc. associated with the device entry.
Consider EOF an 'error' for fgetstr if we haven't read anything yet.

You *MUST* recompile and reinstall libstand before rebuilding the bootstrap.
 1998-10-31 02:48:29 +00:00
Doug Rabson
5a911c6263 Implement a hook to allow us to reclaim the memory used by the first stage 
of the bootstrap (the bit which loads /boot/loader).
 1998-10-19 09:08:40 +00:00
David E. O'Brien
d58fb9293a To clarify last commit, msmith says: 
The reason the Alpha has less room than the i386 is because the bootstrap
is given a 256K mapping by the firmware; to add more requires extra work.
 1998-10-17 22:20:06 +00:00
Mike Smith
95f5cf3349 Reduce the sbrk() increment from 64K to 4K. There's not much room on the 
Alpha, and wasting potentially 64K-4 bytes of RAM just isn't an option.
 1998-10-16 19:23:37 +00:00
Mike Smith
745f11adb6 Add strcasecmp source file required for dosfs operation. 1998-10-07 13:50:17 +00:00
Mike Smith
40fd46f77d Enable the DOS filesystem. This allows reading from various DOS filesystems 
(FAT12/16/32, VFAT).

Make a private copy of strcasecmp, as the "real" one uses the system ctype
header, which introduces locale poisoning.
 1998-10-06 19:23:57 +00:00
Mike Smith
3f9423cca2 Don't build with -g. 1998-10-04 08:10:29 +00:00
Mike Smith
31a014da28 Prune unused zalloc components as recommended by Matt Dillon. Extra debugging 
code is still enabled (it's not very expensive).
 1998-10-01 17:35:08 +00:00
Doug Rabson
f069bf5a2c * Enable old UFS compatibility code for booting from Digital Unix formatted 
disks.
* Fix a whole raft of warnings, printf and otherwise.
* Make zalloc work for alpha (just a case of using the right typedef).
* Add some (disabled) malloc debug printing to stand.h.
 1998-09-26 10:48:50 +00:00
Matthew Dillon
f69e7cfc4d Fixed setting of mp_End in zextendPool(). A case was missing and mp_Size 
no longer reflects the mp_End - mp_Base equivalent.
 1998-09-26 03:24:14 +00:00
Mike Smith
95b50c2be3 Replace the old and extremely icky Mach/NetBSD allocator with a similarly 
compact and much better one donated by Matt Dillon.  Implement a simple
sbrk() which uses the existing setheap() api.

Remove the custom allocator from the UFS code.  It wasn't working quite
right, and it shouldn't be needed with the new allocator.

Fix a serious problem with changing the value of already-existent
environment variables.  Don't attempt to modify the supposedly-const
argument to putenv()

Fix an off-by-one sizing error in the zipfs code detected by the new
allocator.

Submitted by:	zmalloc from Matt Dillon <dillon@backplane.com>
 1998-09-26 01:42:40 +00:00
Doug Rabson
f7506f876c Use unsigned chars instead of signed chars when extracting bits of the 
inet address.
 1998-09-23 21:35:40 +00:00
Jordan K. Hubbard
0b3c226f0e Include "stand.h", not <stand.h>. 1998-09-21 06:07:34 +00:00
Doug Rabson
02c40feecd Allocate disk buffers using a custom allocator. The standard allocator fragments 
extremely badly if disk buffers are freed back into the main heap and the alpha
bootstrap has a restricted address space which just ran out :-(.
 1998-09-20 21:42:20 +00:00
Doug Rabson
b554c7492a Use a simple version of inet_ntoa(). The libc one uses inet_ntop which is too 
complicated.
 1998-09-20 21:40:28 +00:00
Mike Smith
ec5cd5b130 Nuke prototype for strerror, consumers get it from <string.h> 
Fix overlooked nullopen() implementation.
 1998-09-18 23:00:57 +00:00
Mike Smith
4ce36a791b Path arguments to *_open functions should be const, but we were mangling 
them.

Submitted by:	write-protected text segment in BTX
 1998-09-18 22:58:01 +00:00
Mike Smith
0dd47c30aa Remove (wrong) OBJFORMAT setting. 1998-09-15 02:30:22 +00:00
Robert Nordier
b131044669 Add support for reading directories as files. 
Sort out fs_ops, alloc/free.
 1998-08-27 10:45:20 +00:00
Bruce Evans
8d95788ee7 Fixed syntax errors (__dead should have gone away years ago, and 
__attribute__(()) is a gccism - we use __dead2).
 1998-08-24 02:54:33 +00:00
Mike Smith
b07983d9ab Install libstand header <stand.h> and manpage (libstand.3) 1998-08-20 08:23:12 +00:00
Mike Smith
6b4f575cb1 This is libstand; a support library for standalone executables (eg. bootstrap 
modules).
Obtained from: NetBSD, with some architectural changes and many additions.
 1998-08-20 08:19:55 +00:00