Michael Brown [Thu, 11 Jan 2007 18:40:46 +0000 (18:40 +0000)]
Add PHYS_CODE, for use as in __asm__ ( PHYS_CODE ( ... ) ), comparable
to the REAL_CODE interface.
Michael Brown [Thu, 11 Jan 2007 17:44:42 +0000 (17:44 +0000)]
Capable of loading a multiboot image into memory
Michael Brown [Thu, 11 Jan 2007 17:44:07 +0000 (17:44 +0000)]
Add placeholder elf_execute()
Michael Brown [Thu, 11 Jan 2007 17:06:25 +0000 (17:06 +0000)]
Limit -ENOEXEC to mean "this is not in my format".
Michael Brown [Thu, 11 Jan 2007 16:30:21 +0000 (16:30 +0000)]
Distinguish between ENOMEM (as representing a lack of internal memory
as allocated by malloc()) versus all other errors, in particular
ENOBUFS (representing a lack of external buffer space, e.g. in a
device's TX queue or a user buffer).
Michael Brown [Thu, 11 Jan 2007 16:22:03 +0000 (16:22 +0000)]
Downloaded from current grub CVS.
Michael Brown [Thu, 11 Jan 2007 16:10:32 +0000 (16:10 +0000)]
Use generic "struct image" rather than "struct elf".
Michael Brown [Thu, 11 Jan 2007 16:07:30 +0000 (16:07 +0000)]
Rename "image" field to "data", because "image->image" is just confusing.
Michael Brown [Thu, 11 Jan 2007 16:04:36 +0000 (16:04 +0000)]
Move include/image.h to include/gpxe/image.h
Michael Brown [Thu, 11 Jan 2007 15:31:50 +0000 (15:31 +0000)]
Had this file lying around for ages; may as well check it in.
Michael Brown [Thu, 11 Jan 2007 15:27:06 +0000 (15:27 +0000)]
Try image as ELF file first. (Don't yet actually try to execute it).
Michael Brown [Thu, 11 Jan 2007 15:26:17 +0000 (15:26 +0000)]
Print informative error message when boot fails.
Michael Brown [Thu, 11 Jan 2007 15:25:07 +0000 (15:25 +0000)]
Create include/gpxe/elf.h for the ELF bits that aren't part of the ELF
standard and so don't belong in include/elf.h
Michael Brown [Thu, 11 Jan 2007 15:14:54 +0000 (15:14 +0000)]
Update TFTP to use a struct buffer rather than a callback.
Add debug autocolourisation to TFTP.
Michael Brown [Thu, 11 Jan 2007 15:08:58 +0000 (15:08 +0000)]
Use physical address in debug messages; they make more sense to read.
Michael Brown [Thu, 11 Jan 2007 14:44:03 +0000 (14:44 +0000)]
Removed the Etherboot-specific ELF-image code and replaced it with a
generic ELF loader, to be used by the multiboot code.
Michael Brown [Thu, 11 Jan 2007 14:43:15 +0000 (14:43 +0000)]
Add image directory back in
Michael Brown [Thu, 11 Jan 2007 14:32:26 +0000 (14:32 +0000)]
Remove osloader.c and replace with a prep_segment() that uses userptr_t
and get_memmap() in image/segment.c
Michael Brown [Thu, 11 Jan 2007 14:27:27 +0000 (14:27 +0000)]
Added user_to_phys() and memset_user().
Michael Brown [Thu, 11 Jan 2007 14:08:44 +0000 (14:08 +0000)]
Move memmap.h out of arch/i386; it no longer contains anything
architecture-dependent and is needed by the ELF code.
Michael Brown [Thu, 11 Jan 2007 14:01:20 +0000 (14:01 +0000)]
Add phys_to_user() and copy_user().
Michael Brown [Thu, 11 Jan 2007 05:42:06 +0000 (05:42 +0000)]
buffer.c should be using copy_{to,from}_user, rather than
copy_{to,from}_phys.
Michael Brown [Thu, 11 Jan 2007 05:27:02 +0000 (05:27 +0000)]
I hate NULL pointer dereferences.
Michael Brown [Thu, 11 Jan 2007 05:26:16 +0000 (05:26 +0000)]
Use pkb_pad() rather than doing it the dangerous way :)
Michael Brown [Thu, 11 Jan 2007 05:25:50 +0000 (05:25 +0000)]
Extract packet-padding login from rtl8139.c to a separate pkbpad.c file.
Michael Brown [Thu, 11 Jan 2007 04:51:20 +0000 (04:51 +0000)]
Change FTP to use a data buffer rather than a callback function.
Michael Brown [Thu, 11 Jan 2007 04:46:41 +0000 (04:46 +0000)]
Fix bug in buffer.c, add buffer mini-unit test.
Michael Brown [Thu, 11 Jan 2007 04:01:31 +0000 (04:01 +0000)]
Added strerror(0)=="No error", so that TCP protocols can use
strerror(rc) in their closed() methods without producing "Error
0x0000" when the connection is closed normally.
Michael Brown [Thu, 11 Jan 2007 03:50:47 +0000 (03:50 +0000)]
Update buffer-handling code to enable expandable buffers.
Michael Brown [Thu, 11 Jan 2007 01:47:26 +0000 (01:47 +0000)]
Move include/buffer.h to include/gpxe/buffer.h
Michael Brown [Wed, 10 Jan 2007 20:58:36 +0000 (20:58 +0000)]
Warn when net device on an active route is not open.
Michael Brown [Wed, 10 Jan 2007 20:51:14 +0000 (20:51 +0000)]
Add "route" command (which currently only displays the routing table; it
can't modify it).
Michael Brown [Wed, 10 Jan 2007 20:38:20 +0000 (20:38 +0000)]
Add route() function to display routing table.
Michael Brown [Wed, 10 Jan 2007 20:21:42 +0000 (20:21 +0000)]
Try booting from the "boot" network device first (i.e. the one which we
were loaded from). The code to identify this device isn't present yet,
but the code to act upon the knowledge is.
Michael Brown [Wed, 10 Jan 2007 16:16:05 +0000 (16:16 +0000)]
Add find_pci_netdev()
Michael Brown [Wed, 10 Jan 2007 15:27:48 +0000 (15:27 +0000)]
Add device description fields to struct device.
Michael Brown [Wed, 10 Jan 2007 05:52:04 +0000 (05:52 +0000)]
Give UNDI device a more meaningful name.
Michael Brown [Wed, 10 Jan 2007 05:13:20 +0000 (05:13 +0000)]
Force ordering of commands within help list.
Michael Brown [Wed, 10 Jan 2007 05:10:30 +0000 (05:10 +0000)]
Force ordering of commands in help list.
Michael Brown [Wed, 10 Jan 2007 05:08:05 +0000 (05:08 +0000)]
Having forced __table() to natural structure alignment, it now seems
that we *can* place arrays in tables, which means we can force the
order within a table without having to resort to explicitly numbered
sections on everything.
Michael Brown [Wed, 10 Jan 2007 04:22:09 +0000 (04:22 +0000)]
Add "name" field to struct device to allow human-readable hardware device
names.
Add "dev" pointer in struct net_device to tie network interfaces back to a
hardware device.
Force natural alignment of data types in __table() macros. This seems to
prevent gcc from taking the unilateral decision to occasionally increase
their alignment (which screws up the table packing).
Michael Brown [Wed, 10 Jan 2007 02:52:58 +0000 (02:52 +0000)]
Remove uIP; we haven't used it for quite some time now.
Michael Brown [Wed, 10 Jan 2007 02:46:39 +0000 (02:46 +0000)]
Allow udp_{send,sendto,sendto_via} to be called outside of the
udp_senddata() callback. This will simplify any UDP protocols that don't
need the temporary buffer.
Michael Brown [Wed, 10 Jan 2007 02:37:23 +0000 (02:37 +0000)]
DHCP transmits via specified net device, so no need to create a dummy
routing table entry just to fool ipv4.c any more.
Michael Brown [Wed, 10 Jan 2007 02:31:38 +0000 (02:31 +0000)]
Add udp_sendto_via() to allow e.g. DHCP to transmit without first having
to set up dummy routing entries.
Michael Brown [Wed, 10 Jan 2007 02:25:11 +0000 (02:25 +0000)]
Allow an explicit network device to be specified for IP-layer
transmissions.
Michael Brown [Wed, 10 Jan 2007 02:04:07 +0000 (02:04 +0000)]
Add interface management commands
Michael Brown [Wed, 10 Jan 2007 02:03:20 +0000 (02:03 +0000)]
Move header file for usr/autoboot.c to include/usr
Michael Brown [Wed, 10 Jan 2007 01:55:07 +0000 (01:55 +0000)]
Added network interface management commands
Michael Brown [Tue, 9 Jan 2007 23:48:18 +0000 (23:48 +0000)]
Add "name" field to network device, to facilitate netdev commands.
Michael Brown [Tue, 9 Jan 2007 21:47:01 +0000 (21:47 +0000)]
Add RX quotas to the net device poll() method. This avoids the problem
of alloc_pkb() exhaustion when e.g. an iSCSI-booted DOS session is left
idle for a long time at the C:\ prompt and builds up a huge packet
backlog.
Michael Brown [Tue, 9 Jan 2007 21:01:55 +0000 (21:01 +0000)]
Autopadding was sometimes overwriting the struct list_head at the end
of the packet buffer. Although pkbuffs are guaranteed to be at least
PKB_ZLEN bytes long, there's no guarantee that the data starts at the
start of the packet buffer.
Since we have to align data for rtl8139 anyway, and since the start of
the packet buffer is guaranteed to be aligned to PKB_ALIGN, we may as
well just shuffle the packet down so that it starts at the start of
the packet buffer. This simultaneously aligns the packet and ensures
that there is enough room for the zero-padding.
Michael Brown [Tue, 9 Jan 2007 20:56:31 +0000 (20:56 +0000)]
Rename pkb_available() to pkb_tailroom() for consistency with Linux's
skb_tailroom(). Add pkb_headroom().
Michael Brown [Tue, 9 Jan 2007 20:18:31 +0000 (20:18 +0000)]
Added net device TX queue; this will be needed to support the PXE UNDI API
(which will need us to wait for TX completions).
Added debug autocolourisation to netdevice.c
Michael Brown [Tue, 9 Jan 2007 17:39:52 +0000 (17:39 +0000)]
Move start/stop/expire debug messages to DBG2() level.
Michael Brown [Tue, 9 Jan 2007 17:04:10 +0000 (17:04 +0000)]
Added ability to break ISR processing over several calls to poll().
This will allow us to implement RX quotas.
Michael Brown [Tue, 9 Jan 2007 14:53:19 +0000 (14:53 +0000)]
Send EOI after enabling interrupt, in case the device had asserted IRQ
to the PIC while it was disabled.
Michael Brown [Tue, 9 Jan 2007 14:13:59 +0000 (14:13 +0000)]
Allow boot sector to completely destroy real-mode stack, but still
manage to return control.
Michael Brown [Tue, 9 Jan 2007 14:13:06 +0000 (14:13 +0000)]
Leave protected-mode return address on PM stack when issuing a
real_call(), rather than moving it to the RM stack and back again.
This allows the real-mode function to completely destroy the stack
contents, provided that it manages to return to real_call().
Michael Brown [Tue, 9 Jan 2007 05:01:22 +0000 (05:01 +0000)]
Define "connected" as
"when SYN is ACKed and we have already received SYN", or
"when SYN is received and we have already had SYN ACKed"
rather than just
"when SYN is ACKed"
This avoids spuriously calling the connected() method when we receive
a RST,ACK in response to a SYN.
Michael Brown [Tue, 9 Jan 2007 04:51:27 +0000 (04:51 +0000)]
Reset character attributes before start of welcome banner, in case
it's a serial console and remembers state from the previous program
run.
Michael Brown [Tue, 9 Jan 2007 04:42:23 +0000 (04:42 +0000)]
We can't assert that the RX engine is idle in iscsi_done(), because it
may be called during the RX data processor, before the RX engine
transitions back to idle. It doesn't really matter if the RX engine
isn't idle when iscsi_done() is called, because it will just pick up
where it left off on the next call. (The same is not true for the TX
engine, so keep the TX engine assertion.)
Michael Brown [Tue, 9 Jan 2007 04:38:39 +0000 (04:38 +0000)]
Use debug auto-colourisation.
Michael Brown [Tue, 9 Jan 2007 04:31:33 +0000 (04:31 +0000)]
Clean up connection closing and permanent failure logic.
Michael Brown [Tue, 9 Jan 2007 03:22:11 +0000 (03:22 +0000)]
Obsoleted by drivers/net/undionly.c
Michael Brown [Tue, 9 Jan 2007 03:20:22 +0000 (03:20 +0000)]
Added UNDI root bus driver (which saves including all the PCI bus code,
UNDI ROM code etc. when you just want a "undi.kpxe"-type image).
This driver cannot be used in conjunction with any other driver (it will
crash), or in any other format than .kpxe (it just won't find any network
devices).
Michael Brown [Tue, 9 Jan 2007 03:08:01 +0000 (03:08 +0000)]
Added missing call to undinet_remove()
Michael Brown [Tue, 9 Jan 2007 02:58:07 +0000 (02:58 +0000)]
undipci_probe() has to calculate busdevfn anyway, so we may as well pass
it directly to undi_load_pci().
Michael Brown [Tue, 9 Jan 2007 02:53:24 +0000 (02:53 +0000)]
Avoid erasing non-existent signatures in undi_unload()
Michael Brown [Tue, 9 Jan 2007 02:52:28 +0000 (02:52 +0000)]
Avoid leaving preloaded_undi with invalid PXENV+/!PXE structure
addresses if the signature checks fail.
Michael Brown [Tue, 9 Jan 2007 02:46:58 +0000 (02:46 +0000)]
Since we now always unload the base code stack (even if we keep UNDI),
we can never return to the PXE stack and must always use INT 18.
Michael Brown [Tue, 9 Jan 2007 02:32:06 +0000 (02:32 +0000)]
If preloaded device matches, use that rather than going via the UNDI
loader.
Michael Brown [Tue, 9 Jan 2007 02:29:54 +0000 (02:29 +0000)]
Populate preloaded_undi device when applicable.
Michael Brown [Tue, 9 Jan 2007 02:29:18 +0000 (02:29 +0000)]
Provide storage for an undi_device structure representing the preloaded
UNDI stack.
Michael Brown [Tue, 9 Jan 2007 01:42:28 +0000 (01:42 +0000)]
Call PXENV_UNDI_GET_NIC_TYPE to identify NIC physical device.
Record all information required for populating a struct undi_device.
Make debugging output more human-readable.
Michael Brown [Tue, 9 Jan 2007 01:41:26 +0000 (01:41 +0000)]
Use fixed-width fields in struct undi_device, so that pxeprefix.S will be
able to populate the structure.
Michael Brown [Mon, 8 Jan 2007 05:06:26 +0000 (05:06 +0000)]
Copy pxelinux's shutdown sequence: use UNLOAD_STACK without STOP_BASE,
and call UNDI_SHUTDOWN first to make sure the NIC is in a safe state.
Michael Brown [Mon, 8 Jan 2007 03:48:26 +0000 (03:48 +0000)]
New strategy: always stop both base code and UNDI. Always free base code
memory (unless we get an error while stopping the base code). Leave UNDI
resident (though stopped) for .kpxe.
Still need to add code to record the device identification parameters
prior to stopping UNDI.
Michael Brown [Mon, 8 Jan 2007 03:45:00 +0000 (03:45 +0000)]
Checking in obsolete but working memory-scanning code just for the record
Michael Brown [Mon, 8 Jan 2007 03:42:19 +0000 (03:42 +0000)]
Neaten up debug messages
Michael Brown [Mon, 8 Jan 2007 03:37:32 +0000 (03:37 +0000)]
Remove spurious debug message
Michael Brown [Mon, 8 Jan 2007 03:35:51 +0000 (03:35 +0000)]
Now split out into undirom.c and undiload.c
Michael Brown [Mon, 8 Jan 2007 03:34:47 +0000 (03:34 +0000)]
Added any-PCI-device UNDI driver
Michael Brown [Mon, 8 Jan 2007 03:34:06 +0000 (03:34 +0000)]
Tidied up debug messages
Michael Brown [Mon, 8 Jan 2007 03:32:41 +0000 (03:32 +0000)]
Added PCI_BASE_CLASS() macro
Michael Brown [Mon, 8 Jan 2007 03:23:38 +0000 (03:23 +0000)]
Added support for wildcard device/vendor ID matches
Michael Brown [Mon, 8 Jan 2007 03:05:34 +0000 (03:05 +0000)]
Remove types and prototypes now provided in the undi*.h headers.
Michael Brown [Mon, 8 Jan 2007 03:04:54 +0000 (03:04 +0000)]
Added debugging statements
Michael Brown [Mon, 8 Jan 2007 03:03:42 +0000 (03:03 +0000)]
Added missing includes
Michael Brown [Mon, 8 Jan 2007 02:51:27 +0000 (02:51 +0000)]
Added missing declarations
Michael Brown [Mon, 8 Jan 2007 02:51:04 +0000 (02:51 +0000)]
Added missing include
Michael Brown [Mon, 8 Jan 2007 02:48:17 +0000 (02:48 +0000)]
Split UNDI load/unload out into undiload.c.
Michael Brown [Mon, 8 Jan 2007 02:39:56 +0000 (02:39 +0000)]
Remove obsolete includes
Michael Brown [Mon, 8 Jan 2007 02:38:10 +0000 (02:38 +0000)]
Separated out UNDI ROM location code into undirom.c, and use struct
undi_rom rather than struct pxe_driver. (This is part of the naming
consistency fixes).
Michael Brown [Mon, 8 Jan 2007 02:24:53 +0000 (02:24 +0000)]
Use "struct undi_device" instead of "struct pxe_device", and use the
function prefix "undinet_" and the variable name "undinic" in undinet.c,
so that we can reserve the variable name "undi" for a struct undi_device.
The idea is that we preserve the Etherboot 5.4 convention that the "UNDI"
code refers to our using an underlying UNDI stack, while the "PXE" code
refers to our providing a PXE API.
Michael Brown [Mon, 8 Jan 2007 02:02:07 +0000 (02:02 +0000)]
Renamed undi.c to undinet.c. (undi.c will become the UNDI PCI driver)
Michael Brown [Mon, 8 Jan 2007 02:00:55 +0000 (02:00 +0000)]
Obsolete
Michael Brown [Mon, 8 Jan 2007 01:29:51 +0000 (01:29 +0000)]
Add device to hierarchy before calling the driver's probe() function; this
way everything remains consistent if the probe() ends up creating child
devices.
Michael Brown [Sun, 7 Jan 2007 19:05:28 +0000 (19:05 +0000)]
Remove accidentally checked-in code
Michael Brown [Sun, 7 Jan 2007 19:02:17 +0000 (19:02 +0000)]
Move START_UNDI, UNDI_STARTUP, UNDI_INITIALIZE and
UNDI_GET_INFORMATION calls into drivers/net/undi.c. undi_probe() now
gets given a pxe_device representing a PXE stack that has been loaded
into memory but not initialised in any way.