Michael Brown [Fri, 19 Jan 2007 14:10:13 +0000 (14:10 +0000)]
Note that the SIGCHLD handler could be re-entered.
Michael Brown [Fri, 19 Jan 2007 14:00:51 +0000 (14:00 +0000)]
Propagate return status code from last child to fail.
Michael Brown [Fri, 19 Jan 2007 13:52:50 +0000 (13:52 +0000)]
Handle structured error codes.
Michael Brown [Fri, 19 Jan 2007 13:15:26 +0000 (13:15 +0000)]
Introduce structured error codes.
Michael Brown [Fri, 19 Jan 2007 03:09:22 +0000 (03:09 +0000)]
Add POSIX prototypes for time functions, to allow external code to build
more easily within gPXE.
Note that we don't have function bodies for these functions yet.
Michael Brown [Fri, 19 Jan 2007 02:02:59 +0000 (02:02 +0000)]
Split random number generation out into core/random.c, and create the
correct prototypes for srandom(), rand() and srand().
Michael Brown [Fri, 19 Jan 2007 01:17:23 +0000 (01:17 +0000)]
vsprintf.h is gPXE-specific; move it to include/gpxe
Michael Brown [Fri, 19 Jan 2007 01:13:12 +0000 (01:13 +0000)]
Use stdio.h instead of vsprintf.h
Michael Brown [Fri, 19 Jan 2007 00:58:49 +0000 (00:58 +0000)]
Finally move the prototypes for printf() and friends to stdio.h
Michael Brown [Fri, 19 Jan 2007 00:51:13 +0000 (00:51 +0000)]
4.3BSD says that bcopy and bzero are defined in strings.h, not string.h
Michael Brown [Fri, 19 Jan 2007 00:48:13 +0000 (00:48 +0000)]
Typo
Michael Brown [Fri, 19 Jan 2007 00:39:12 +0000 (00:39 +0000)]
Add missing prerequisite include
Michael Brown [Thu, 18 Jan 2007 22:38:13 +0000 (22:38 +0000)]
A working name resolution framework
Michael Brown [Thu, 18 Jan 2007 22:36:57 +0000 (22:36 +0000)]
When an async operation dies, orphan its children.
Michael Brown [Thu, 18 Jan 2007 21:22:03 +0000 (21:22 +0000)]
Have DHCP set the nameserver, rather than DNS read the DHCP nameserver
value.
Michael Brown [Thu, 18 Jan 2007 20:39:17 +0000 (20:39 +0000)]
Use total free memory as advertised window. This seems to be sufficient
to avoid drops even on slow NICs.
Michael Brown [Thu, 18 Jan 2007 20:11:04 +0000 (20:11 +0000)]
Move include/malloc.h to include/gpxe/malloc.h, since everything in there
is now gPXE-specific. (The standard malloc() et al have been in stdlib.h
for a while).
Add free memory counter.
Michael Brown [Thu, 18 Jan 2007 20:06:03 +0000 (20:06 +0000)]
Include stdlib.h rather than malloc.h
Michael Brown [Thu, 18 Jan 2007 19:13:25 +0000 (19:13 +0000)]
console.h is no longer needed for debugging
Michael Brown [Thu, 18 Jan 2007 19:00:09 +0000 (19:00 +0000)]
Allow truly arbitrary debug levels to be specified via DEBUG=
Michael Brown [Thu, 18 Jan 2007 18:53:32 +0000 (18:53 +0000)]
Declaring the CPU architecture in the middle of an assembly file is
somewhat redundant, and also causes gas to complain when we include
the profiling code (which uses an i586 instruction).
Michael Brown [Thu, 18 Jan 2007 17:59:59 +0000 (17:59 +0000)]
Add DBGLVL_PROFILE
Michael Brown [Thu, 18 Jan 2007 16:50:35 +0000 (16:50 +0000)]
Remove the one-packet-per-poll-cycle limit; it seems to no longer be
needed now that performance is up.
Michael Brown [Thu, 18 Jan 2007 16:39:55 +0000 (16:39 +0000)]
Increase window size to 64kB. Line rate downloads on a 100Mbps link,
anyone?
Michael Brown [Thu, 18 Jan 2007 15:18:02 +0000 (15:18 +0000)]
Accelerate memcpy() by around 32% on large, dword-aligned copies.
Michael Brown [Thu, 18 Jan 2007 15:13:41 +0000 (15:13 +0000)]
Allow buffers to be pre-expanded on demand.
Michael Brown [Thu, 18 Jan 2007 13:26:57 +0000 (13:26 +0000)]
Presize the download buffer when we see the Content-Length header;
this saves around 70us per received packet (which is around 50% of the
overall packet processing time).
Michael Brown [Thu, 18 Jan 2007 13:10:26 +0000 (13:10 +0000)]
Reorder functions to more closely reflect the flow of control
Michael Brown [Thu, 18 Jan 2007 12:54:18 +0000 (12:54 +0000)]
Don't always zero memory in malloc(). This saves around 2us on a
full-length PKB allocation.
Michael Brown [Thu, 18 Jan 2007 12:45:58 +0000 (12:45 +0000)]
Switch from calloc() to malloc()+memset() to match the practices used
almost everywhere else.
Michael Brown [Thu, 18 Jan 2007 12:34:12 +0000 (12:34 +0000)]
Respect the RX quota. This improves poll time by about 0.7us when the
quota is 1.
Michael Brown [Thu, 18 Jan 2007 03:39:45 +0000 (03:39 +0000)]
HTTP/DNS now working fully asynchronously. HTTP/IP addresses and any
other protocol won't work at the moment.
Michael Brown [Thu, 18 Jan 2007 03:37:05 +0000 (03:37 +0000)]
Replacement for fetch() which operates asynchronously and identifies
protocols by URI scheme.
Michael Brown [Thu, 18 Jan 2007 03:35:00 +0000 (03:35 +0000)]
Use struct sockaddr rather than struct sockaddr_tcpip
Tidy up code
Michael Brown [Thu, 18 Jan 2007 03:29:40 +0000 (03:29 +0000)]
Added async_uninit() to simplify failure paths.
Michael Brown [Thu, 18 Jan 2007 03:28:55 +0000 (03:28 +0000)]
Add utility function to parse port from URI
Michael Brown [Thu, 18 Jan 2007 03:28:29 +0000 (03:28 +0000)]
Ensure that struct sockaddr is long enough...
Michael Brown [Thu, 18 Jan 2007 01:05:09 +0000 (01:05 +0000)]
Obsolete
Michael Brown [Tue, 16 Jan 2007 08:36:42 +0000 (08:36 +0000)]
Rename e{malloc,realloc,free} to u{malloc,realloc,free}, to more obviously
reflect the fact that they allocate and deallocate user memory (i.e.
things reached through a userptr_t).
Michael Brown [Tue, 16 Jan 2007 08:10:54 +0000 (08:10 +0000)]
Create and use async_block() macro; it cuts down on the visual overhead
of blocking on asynchronous operations, when that isn't an important
aspect of the code.
Michael Brown [Tue, 16 Jan 2007 04:09:13 +0000 (04:09 +0000)]
When a network device is specified to tcpip_tx() or it's children, treat
it as a fallback network device rather than an explicitly forced network
device.
Clear routing table entries before re-attempting DHCP.
Michael Brown [Tue, 16 Jan 2007 03:29:15 +0000 (03:29 +0000)]
Improve debugging
Michael Brown [Tue, 16 Jan 2007 03:19:40 +0000 (03:19 +0000)]
Improve debug messages
Michael Brown [Tue, 16 Jan 2007 03:10:37 +0000 (03:10 +0000)]
Improved debugging
Michael Brown [Mon, 15 Jan 2007 17:32:52 +0000 (17:32 +0000)]
Quickly hack in DNS resolution as a proof of concept
Michael Brown [Mon, 15 Jan 2007 17:31:35 +0000 (17:31 +0000)]
A working DNS resolver (not yet tied in to anything)
Michael Brown [Mon, 15 Jan 2007 09:58:26 +0000 (09:58 +0000)]
Update TFTP and FTP to take the same temporary URI scheme as HTTP
Michael Brown [Mon, 15 Jan 2007 09:18:06 +0000 (09:18 +0000)]
Protocol's get() method no longer takes ownership of the URI. HTTP is the
exception rather than the rule; we may as well keep things clean for other
protocols.
Michael Brown [Mon, 15 Jan 2007 09:08:40 +0000 (09:08 +0000)]
Must free http on the error path; nothing else will do it
Michael Brown [Mon, 15 Jan 2007 09:06:12 +0000 (09:06 +0000)]
Unmaintained example code is probably worse than useless.
Michael Brown [Mon, 15 Jan 2007 08:49:10 +0000 (08:49 +0000)]
Gave asynchronous operations approximate POSIX signal semantics. This
will enable us to cascade async operations, which is necessary in order to
properly support DNS. (For example, an HTTP request may have to redirect
to a new location and will have to perform a new DNS lookup, so we can't
just rely on doing the name lookup at the time of parsing the initial
URL).
Anything other than HTTP is probably broken right now; I'll fix the others
up asap.
Michael Brown [Mon, 15 Jan 2007 08:44:05 +0000 (08:44 +0000)]
Add missing include
Michael Brown [Mon, 15 Jan 2007 02:46:56 +0000 (02:46 +0000)]
Add ETIMEDOUT
Michael Brown [Sun, 14 Jan 2007 23:48:31 +0000 (23:48 +0000)]
Added a URI parser that should be standards conformant. (It can certainly
handle something as convoluted as
ftp://joe:secret@insecure.org:8081/hidden/path/to?what=is#this
Michael Brown [Sun, 14 Jan 2007 19:58:41 +0000 (19:58 +0000)]
Split DBG() statement containing two inet_ntoa() statements; they
return a static buffer.
Michael Brown [Sun, 14 Jan 2007 18:22:37 +0000 (18:22 +0000)]
Dump buffer and packet information in PXENV_UDP_READ as well
Michael Brown [Sun, 14 Jan 2007 16:47:03 +0000 (16:47 +0000)]
Make TCP give up immediately when it receives -ENETUNREACH from
tcpip_tx(). This avoids the irritating wait when you accidentally type
"kernel pxelinux.0" before bringing up the network interface.
Add ENETUNREACH to strerror()'s list.
Michael Brown [Sun, 14 Jan 2007 16:22:10 +0000 (16:22 +0000)]
Use -ENETUNREACH to mean "no reachable network device exists, don't bother
retrying".
Michael Brown [Sun, 14 Jan 2007 16:09:48 +0000 (16:09 +0000)]
Add the "initrd" command
Michael Brown [Sun, 14 Jan 2007 16:09:01 +0000 (16:09 +0000)]
We can now load an initrd as well as a kernel
Michael Brown [Sun, 14 Jan 2007 15:32:25 +0000 (15:32 +0000)]
Make the getmemsize() prototype available in memsizes.h, for code that
doesn't want to go to the hassle of processing a full memory map.
Michael Brown [Sun, 14 Jan 2007 15:25:23 +0000 (15:25 +0000)]
Once image type has been set, do not autoprobe further
Michael Brown [Sun, 14 Jan 2007 15:13:33 +0000 (15:13 +0000)]
Typo
Michael Brown [Sun, 14 Jan 2007 15:07:11 +0000 (15:07 +0000)]
Actually, the initrd image should be architecture-independent.
Michael Brown [Sun, 14 Jan 2007 15:03:39 +0000 (15:03 +0000)]
Add dummy "initrd" image format, just so that images can be marked as
initrds.
Michael Brown [Sun, 14 Jan 2007 14:59:36 +0000 (14:59 +0000)]
Allow load() and exec() methods to be NULL.
Michael Brown [Sun, 14 Jan 2007 14:29:30 +0000 (14:29 +0000)]
Copy command line at execution time rather than load time.
Parse command line for "vga=" and "mem=" parameters
Michael Brown [Sun, 14 Jan 2007 13:36:33 +0000 (13:36 +0000)]
Split bzimage_load into separate functions
Michael Brown [Sun, 14 Jan 2007 12:34:35 +0000 (12:34 +0000)]
Can start a Linux kernel directly (albeit with no initrd support)
Michael Brown [Sun, 14 Jan 2007 11:52:22 +0000 (11:52 +0000)]
Remove some references to no-longer-existent source files.
Add a path for isolinux.bin that is correct on my system; hopefully it
will work on others too.
Michael Brown [Sun, 14 Jan 2007 11:50:44 +0000 (11:50 +0000)]
.lilo and derived targets (e.g. .iso) now load properly.
Michael Brown [Sun, 14 Jan 2007 11:45:28 +0000 (11:45 +0000)]
Obsoleted by arch/i386/image/multiboot.c
Michael Brown [Sun, 14 Jan 2007 06:36:20 +0000 (06:36 +0000)]
Can almost start a kernel now. It dies with "No setup signature found"
Michael Brown [Sun, 14 Jan 2007 04:28:42 +0000 (04:28 +0000)]
Obsolete
Michael Brown [Sun, 14 Jan 2007 04:27:25 +0000 (04:27 +0000)]
Placeholder bzImage support
Michael Brown [Sun, 14 Jan 2007 04:04:28 +0000 (04:04 +0000)]
Replace image->entry with image->priv.
Michael Brown [Sun, 14 Jan 2007 03:49:07 +0000 (03:49 +0000)]
Mostly updated. Won't work yet.
Michael Brown [Sun, 14 Jan 2007 02:24:41 +0000 (02:24 +0000)]
Obsolete for some time
Michael Brown [Sun, 14 Jan 2007 02:21:02 +0000 (02:21 +0000)]
Fill in BufferSize in PXENV_GET_CACHED_INFO
Michael Brown [Sun, 14 Jan 2007 02:20:10 +0000 (02:20 +0000)]
Select a PXE network device before starting PXE NBP.
Move pxe_boot() code to pxe_image.c
Michael Brown [Sun, 14 Jan 2007 02:01:26 +0000 (02:01 +0000)]
Do not go past the end of the argv[] array.
This bug found by setting read and write watchpoints at NULL in bochs.
Michael Brown [Sun, 14 Jan 2007 00:57:43 +0000 (00:57 +0000)]
Use debug autocolourisation.
Shut down before jumping to the multiboot image.
Michael Brown [Sun, 14 Jan 2007 00:53:56 +0000 (00:53 +0000)]
Call hide_etherboot() from startup(), rather than requiring the prefix to
do it.
Michael Brown [Sun, 14 Jan 2007 00:16:41 +0000 (00:16 +0000)]
Make shutdown functions callable by OS image's exec methods.
Michael Brown [Sun, 14 Jan 2007 00:08:13 +0000 (00:08 +0000)]
Make "boot" a synonym for "imgexec", to match grub
Michael Brown [Sun, 14 Jan 2007 00:06:23 +0000 (00:06 +0000)]
Rename "boot" to "autoboot"
Michael Brown [Sun, 14 Jan 2007 00:03:07 +0000 (00:03 +0000)]
Use _text, rather than assuming _text==0.
Michael Brown [Sun, 14 Jan 2007 00:01:16 +0000 (00:01 +0000)]
Use {get,set}_fbms() so that allocated base memory is correctly hidden.
Michael Brown [Sat, 13 Jan 2007 23:57:31 +0000 (23:57 +0000)]
Provide {get,set}_fbms() in basemem.h.
set_fbms() will also update the E820 hidden region.
Michael Brown [Sat, 13 Jan 2007 23:38:33 +0000 (23:38 +0000)]
Some operating systems get a nasty shock if a region of the E820 map seems
to start on a non-page boundary. Make life safer by rounding out our
edited regions.
Michael Brown [Sat, 13 Jan 2007 17:54:41 +0000 (17:54 +0000)]
Add some trace messages for important events
Michael Brown [Sat, 13 Jan 2007 17:36:17 +0000 (17:36 +0000)]
Advertise a larger MSS to improve TCP performance.
Michael Brown [Sat, 13 Jan 2007 17:28:51 +0000 (17:28 +0000)]
I prefer IMAGE_XXX to XXX_IMAGE.
Add IMAGE_PXE to use the new image format framework. "kernel pxelinux.0"
now works.
Michael Brown [Sat, 13 Jan 2007 17:23:44 +0000 (17:23 +0000)]
Add header for pxe_boot()
Michael Brown [Sat, 13 Jan 2007 16:55:57 +0000 (16:55 +0000)]
Pick up the return status code from the correct place now that we
don't overwrite the parameter block until *after* the debug code.
Michael Brown [Sat, 13 Jan 2007 16:53:55 +0000 (16:53 +0000)]
When an UNDI API call fails, print everything there is to know about it.
Michael Brown [Sat, 13 Jan 2007 16:49:38 +0000 (16:49 +0000)]
Hex dumps are now integrated into the DBG() framework.
Michael Brown [Sat, 13 Jan 2007 14:45:26 +0000 (14:45 +0000)]
Always send EOI. We can't feasibly share interrupts (since we have no
clue what the "previous" interrupt handler will do, which could range
from "just an iret" to "disable the interrupt"), and that means that
we have to take responsibility for ACKing all interrupts. Joy.
Michael Brown [Sat, 13 Jan 2007 01:48:12 +0000 (01:48 +0000)]
Damn Broadcom and their damned incorrect assumptions about x86 memory
allocation.
Michael Brown [Fri, 12 Jan 2007 19:19:59 +0000 (19:19 +0000)]
Add HTTP test support