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Commit Graph

2877 Commits

Author SHA1 Message Date
Shao Miller
87b494bbab [time] Add the sleep command
Reviewed-by: Stefan Hajnoczi <stefanha@gmail.com>
Reviewed-by: Thomas Miletich <thomas.miletich@gmail.com>
Modified-by: Michael Brown <mcb30@etherboot.org>
Signed-off-by: Michael Brown <mcb30@etherboot.org>
2009-03-26 10:06:04 +00:00
Michael Brown
5bd32315d0 [settings] Fix broken assertion in fetch_string_setting_copy()
Reported-by: Stefan Hajnoczi <stefanha@gmail.com>
2009-03-26 09:50:52 +00:00
Michael Brown
1c67623e37 [build] Enable building with the Intel C compiler (icc) 2009-03-26 07:27:19 +00:00
Marty Connor
16aa435567 [3c90x] Remove src/drivers/3c90x.txt
Most of the 3c90x.txt file is obsolete.  The content from the file has
been placed here:

   http://etherboot.org/wiki/appnotes/3c90x_issues
2009-03-13 12:05:12 -04:00
Thomas Miletich
90c01ef1e4 [3c90x] 3c90x driver rewrite using gPXE API
This is a major rewrite of the legacy etherboot 3c90x driver using the
gPXE API for much improved performance over the legacy driver it
replaces.

This driver has been tested on 3c905, 3c905B, and 3c905C cards.

Reviewed-by: Stefan Hajnoczi <stefanha@gmail.com>
Reviewed-by: Marty Connor <mdc@etherboot.org>
Tested-by: Marty Connor <mdc@etherboot.org>
Tested-by: Daniel Verkamp <daniel@drv.nu>

Signed-off-by: Marty Connor <mdc@etherboot.org>
2009-03-13 11:54:39 -04:00
Michael Brown
3c68ff99ea [tables] Incorporate table data type information into table definition
Eliminate the potential for mismatches between table names and the
table entry data type by incorporating the data type into the
definition of the table, rather than specifying it explicitly in each
table accessor method.
2009-03-13 02:10:21 +00:00
Michael Brown
1266d7902b [tables] Redefine methods for accessing linker tables
Intel's C compiler (icc) chokes on the zero-length arrays that we
currently use as part of the mechanism for accessing linker table
entries.  Abstract away the zero-length arrays, to make a port to icc
easier.

Introduce macros such as for_each_table_entry() to simplify the common
case of iterating over all entries in a linker table.

Represent table names as #defined string constants rather than
unquoted literals; this avoids visual confusion between table names
and C variable or type names, and also allows us to force a
compilation error in the event of incorrect table names.
2009-03-13 02:06:30 +00:00
Michael Brown
3ed468e0c5 [tcp] Avoid setting PSH flag when SYN flag is set
Some firewall devices seem to regard SYN,PSH as an invalid flag
combination and reject the packet.  Fix by setting PSH only if SYN is
not set.

Reported-by: DSE Incorporated <dseinc@gmail.com>
2009-03-10 08:15:47 +00:00
Daniel Verkamp
4397a2a4ca [time] Add the time command
Signed-off-by: Michael Brown <mcb30@etherboot.org>
2009-03-06 15:02:41 +00:00
H. Peter Anvin
f3d09b5c79 [pxeprefix] Merge common code between !PXE and PXENV+
The parsing of the !PXE and PXENV+ structures share a fair bit of
code; merge the common code to save a few bytes.

Signed-off-by: Michael Brown <mcb30@etherboot.org>
2009-03-06 14:51:50 +00:00
Michael Brown
ec24672db7 [settings] Allow for autovivification of settings blocks
Allow for settings blocks to be created on demand.  This allows for
constructions such as

  set defaults/filename http://bootserver/bootfile
  set defaults/priority 0xff
  dhcp net0
  chain ${filename}

which will boot from the DHCP-provided filename, or from
"http://bootserver/bootfile" if the DHCP server does not provide a
filename.

(Note that "priority" gets interpreted as a signed integer, so setting
"defaults/priority" to 0xff will cause the "defaults" settings block
to have an effective priority of -1.)
2009-03-06 14:40:44 +00:00
Michael Brown
f95c919741 [release] Update version to 0.9.7+ post release 2009-03-02 02:29:20 +00:00
Michael Brown
e103495563 [release] Update version to 0.9.7 for release 2009-03-02 02:23:42 +00:00
Michael Brown
518cd2f192 [release] Remove obsolete VERSION file 2009-03-02 02:19:07 +00:00
Thomas Miletich
afe59d4636 [sundance] Add reset completion check
Following the example of the Linux driver, we add a check and delay to
make sure that the NIC has finished resetting before the driver issues
any additional commands.

Signed-off-by: Marty Connor <mdc@etherboot.org>
2009-02-27 13:52:03 -05:00
Michael Brown
b9d791f4d1 [infiniband] Kill off obsolete mlx_ipoib directory
This directory contains the old Etherboot implementation of IPoIB boot
from Mellanox, which has long been obsoleted by gPXE's own
implementation.
2009-02-25 05:07:41 +00:00
Michael Brown
4f3bab1a55 [image] Allow for zero embedded images
Having a default script containing

  #!gpxe
  autoboot

can cause problems when entering commands to load and start a kernel
manually; the default script image will still be present when the
kernel is started and so will be treated as an initrd.  It is possible
to work around this by typing "imgfree" before any other commands, but
this is counter-intuitive.

Fix by allowing the embedded image list to be empty (in which case we
just call autoboot()), and making this the default.

Reported by alkisg@gmail.com.
2009-02-24 05:57:56 +00:00
Shao Miller
43834f5d25 [image] Added "chain" command to fetch, load, and execute image
The "chain" command combines the functions of "imgfetch", "imgload",
and "boot".

    chain http://etherboot.org/gtest/gtest.gpxe

is equivalent to:

    kernel http://etherboot.org/gtest/gtest.gpxe
    boot
2009-02-24 05:28:14 +00:00
Michael Brown
784d3f336e [pxe] Set %ax to zero on entry to PXE NBP
This is not strictly an entry requirement, but it does mean that a PXE
NBP returning without setting %ax will appear to have returned
success.
2009-02-23 08:43:27 +00:00
H. Peter Anvin
6a3f5d6db7 [pxeprefix] Search for the PXE entry points through all methods
Search for the PXE entry points (via the !PXE or PXENV+ structures)
through all known combinations of search methods.  Furthermore, if we
find a PXENV+ structure, attempt to use it to find the !PXE structure
if at all possible.
2009-02-23 02:53:38 +00:00
Michael Brown
4dd746a725 [iscsi] Include credentials in iBFT only if used during iSCSI login
Avoid passing credentials in the iBFT that were available but not
required for login.  This works around a problem in the Microsoft
iSCSI initiator, which will refuse to initiate sessions if the CHAP
password is fewer than 12 characters, even if the target ends up not
asking for CHAP authentication.
2009-02-20 21:41:00 +00:00
Michael Brown
78d426d196 [scsi] Fix DBG() message reporting of error number 2009-02-19 10:37:30 +00:00
Michael Brown
9937bf13c9 [crypto] Allow creation of arbitrary CBC cipher algorithms using CBC_CIPHER()
Given any block cipher, a corresponding CBC mode of behaviour for the
cipher can be created using the CBC_CIPHER() macro.
2009-02-19 01:53:25 +00:00
Michael Brown
e950dc04ba [crypto] Add our own general-purpose cipher-block chaining routines 2009-02-19 01:23:50 +00:00
Michael Brown
b4d3d686cc [crypto] Change cipher_{en,de}crypt() to void functions
It is a programming error, not a runtime error, if we attempt to use
block ciphers with an incorrect blocksize, so use an assert() rather
than an error status return.
2009-02-19 00:06:41 +00:00
Michael Brown
a3219b24a8 [crypto] Split crypto_algorithm into {digest,cipher,pubkey}_algorithm
The various types of cryptographic algorithm are fundamentally
different, and it was probably a mistake to try to handle them via a
single common type.

pubkey_algorithm is a placeholder type for now.
2009-02-18 22:17:41 +00:00
Michael Brown
5de8305feb [crypto] Move AES_convert_key() hack into axtls_aes.c
Although the nature of the hack is essentially unchanged, this allows
us to remove the hardcoded assumption in tls.c that the RX cipher is
AES.
2009-02-18 21:33:54 +00:00
Michael Brown
991f907d5b [crypto] Rename aes_algorithm to aes_cbc_algorithm 2009-02-18 21:28:46 +00:00
H. Peter Anvin
aaa26f3bd3 [pxe] Initialize EDX on PXE NBP entry and INT 1Ah
The PXE 1.x spec specifies that on NBP entry or on return from INT
1Ah AX=5650h, EDX shall point to the physical address of the PXENV+
structure.  The PXE 2.x spec drops this requirement, simply stating
that EDX is clobbered.  Given the principle "be conservative in what
you send, liberal in what you accept", however, we should implement
this anyway.
2009-02-18 18:13:20 +00:00
Michael Brown
b5577553e5 [pxeprefix] Add .kkpxe image type and ability to return via PXE stack
Certain combinations of PXE stack and BIOS result in a broken INT 18
call, which will leave the system displaying a "PRESS ANY KEY TO
REBOOT" message instead of proceeding to the next boot device.  On
these systems, returning via the PXE stack is the only way to continue
to the next boot device.  Returning via the PXE stack works only if we
haven't already blown away the PXE base code in pxeprefix.S.

In most circumstances, we do want to blow away the PXE base code.
Base memory is a limited resource, and it is desirable to reclaim as
much as possible.  When we perform an iSCSI boot, we need to place the
iBFT above the 512kB mark, because otherwise it may not be detected by
the loaded OS; this may not be possible if the PXE base code is still
occupying that memory.

Introduce a new prefix type .kkpxe which will preserve both the PXE
base code and the UNDI driver (as compared to .kpxe, which preserves
the UNDI driver but uninstalls the PXE base code).  This prefix type
can be used on systems that are known to experience the specific
problem of INT 18 being broken, or in builds (such as gpxelinux.0) for
which it is particularly important to know that returning to the BIOS
will work.

Written by H. Peter Anvin <hpa@zytor.com> and Stefan Hajnoczi
<stefanha@gmail.com>, minor structural alterations by Michael Brown
<mcb30@etherboot.org>.
2009-02-18 18:12:32 +00:00
Michael Brown
dd44a7c314 [i386] Kill off obsolete boot1a.s file 2009-02-18 04:48:30 +00:00
Michael Brown
7b1a5a7997 [dhcp] Use a default user-class of "gPXE"
This change makes it possible to break the PXE-chaining infinite loop
even when restricted to a Windows DHCP server.
2009-02-17 22:03:28 +00:00
Michael Brown
3206e470d0 [image] Redact password from URIs displayed by imgfetch() 2009-02-17 12:10:35 +00:00
Michael Brown
6de4db5da0 [login] Add "login" command and UI 2009-02-17 12:02:16 +00:00
Michael Brown
bea828b9ed [settings] Allow store_setting() to access the root settings block 2009-02-17 11:57:31 +00:00
Michael Brown
54840039f6 [http] Send authentication information whenever username is present
Send authentication information if the username is present, even if
the password is empty.
2009-02-17 11:56:27 +00:00
Michael Brown
67ee41ad6d [editbox] Allow for password widgets that do not display their contents 2009-02-17 11:55:55 +00:00
Michael Brown
cff419148c [pxe] Allow Escape to abort PXE menu selections
Other vendor PXE stacks tend to allow the Escape key to be used to
abort menu selection.  Allow Escape (as well as Ctrl-C) to abort
selection.
2009-02-17 07:35:57 +00:00
Michael Brown
06b5132fdc [icmp] Add support for responding to pings 2009-02-17 06:59:15 +00:00
Daniel Verkamp
dbbd81c140 [comboot] Implement INT 22h AX=001Bh (Cleanup, shuffle, and boot to real mode) 2009-02-17 03:52:44 +00:00
Michael Brown
5026a35fef [comboot] Restore the real-mode stack pointer on exit from a COMBOOT image
COMBOOT images use INTs to issue API calls; these end up making calls
into gPXE from real mode, and so temporarily change the real-mode
stack pointer.  When our COMBOOT code uses a longjmp() to implement
the various "exit COMBOOT image" API calls, this leaves the real-mode
stack pointer stuck with its temporary value, which causes problems if
we eventually try to exit out of gPXE back to the BIOS.

Fix by adding rmsetjmp() and rmlongjmp() calls (analogous to
sigsetjmp()/siglongjmp()); these save and restore the additional state
needed for real-mode calls to function correctly.
2009-02-17 03:38:40 +00:00
Michael Brown
7f903f03af [comboot] Unhook interrupt vectors after returning from a COMBOOT image 2009-02-17 02:03:16 +00:00
Michael Brown
14eafc5b8d [comboot] Fix reference counting on replacement images
When chaining COMBOOT images, the old images now get freed correctly.
2009-02-17 01:45:12 +00:00
Michael Brown
8904cd55f1 [comboot] Allow for tail recursion of COMBOOT images
Multi-level menus via COMBOOT rely on the COMBOOT program being able
to exit and invoke a new COMBOOT program (the next menu).  This works,
but rapidly (within about five iterations) runs out of space in gPXE's
internal stack, since each new image is executed in a new function
context.

Fix by allowing tail recursion between images; an image can now
specify a replacement image for itself, and image_exec() will perform
the necessary tail recursion.
2009-02-17 00:47:35 +00:00
Michael Brown
349868b8fd [uri] Allow use of relative URIs when calling churi() 2009-02-16 04:56:55 +00:00
Michael Brown
7bc4093e1a [build] Cope with oddities in the Fedora 10 assembler
The version of the GNU assembler shipped with Fedora 10
(2.18.50.0.9-8.fc10) complains about character literals in some of our
assembly code.  Changing $'x' to $( 'x' ) seems to fix the problem.
Yes, the whitespace is required; using just $('x') does not work.

Reported by Kevin O'Connor <kevin@koconnor.net>.
2009-02-16 03:53:25 +00:00
Michael Brown
b08e255ef1 [build] Fix building on gcc 3
GCC did not support #pragma GCC visibility until version 4.0.
2009-02-16 02:15:17 +00:00
Michael Brown
78a57a6f76 [build] Allow NO_WERROR=1 to inhibit --fatal-warnings as well as -Werror 2009-02-16 01:06:40 +00:00
Michael Brown
24e948f030 [image] Avoid claiming zero-length images as valid
Both the script and PXE images types will claim a zero-length image.
Inhibit this to avoid end-user surprises.
2009-02-16 00:30:48 +00:00
Michael Brown
076154a1c6 [image] Allow multiple embedded images
This patch extends the embedded image feature to allow multiple
embedded images instead of just one.

gPXE now always boots the first embedded image on startup instead of
doing the hardcoded DHCP boot (aka autoboot).

Based heavily upon a patch by Stefan Hajnoczi <stefanha@gmail.com>.
2009-02-16 00:30:36 +00:00