Michael Brown
68125bc441
Added generic asynchronous operations code.
...
Removed data_in_len and data_out_len from ata_command structure; the
lengths are implied by the sector count and the presence of the data_in
or data_out pointers.
Changed AoE code to use subcommands by default, and made aoe_issue()
nonblocking (with completion via async_wait()).
2006-05-31 14:34:17 +00:00
Michael Brown
73a449e96b
Added drivers/ata directory (forgot to check this in previously).
2006-05-31 14:31:48 +00:00
Michael Brown
552b4a178e
One bit of an ASCII character can make a big difference.
2006-05-29 21:00:00 +00:00
Michael Brown
1db1a6dad3
Added first sketch of a generic retry timer mechanism. The idea is to use
...
these timer objects in AoE and UDP protocols (where there is no underlying
retransmission mechanism) without requiring each protocol to implement its
own individual retry logic. Eventually, we should be able to use the same
timer code for TCP retransmissions as well.
2006-05-29 14:55:07 +00:00
Michael Brown
6541338897
Handle multi-sector reads by splitting them into subcommands.
2006-05-29 08:25:31 +00:00
Michael Brown
9a2a52693d
Initial AoE implementation. Limitations are:
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Cannot yet handle reads of more than two sectors
No retransmission
No way to find out a target's MAC address (this proof of concept uses
broadcasts)
These limitations shall not last long! :)
2006-05-28 23:29:43 +00:00
Michael Brown
6f998cecb3
Use separate data-in and data-out buffers.
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Increase code simplicity at the expense of around 64 bytes.
2006-05-28 23:26:42 +00:00
Michael Brown
6d6252067f
Add ETH_P_AOE
2006-05-28 21:47:52 +00:00
Michael Brown
35b04b1514
Tidy up comment
2006-05-28 14:40:04 +00:00
Michael Brown
041a04335e
Fixed assembly on old versions of gas
2006-05-28 14:21:29 +00:00
Michael Brown
f743de4858
Added tcp_kick(). This speed up LILO and GRUB booting by almost two
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orders of magnitude.
2006-05-27 19:01:20 +00:00
Michael Brown
cd3ecac809
Avoid causing TX overflow on small TX queues.
2006-05-27 13:55:36 +00:00
Michael Brown
70ef6dbb7c
Rewrote to use the new net driver API, the updated PCI API, and the
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generic three-wire serial device support for EEPROM access.
2006-05-27 13:45:14 +00:00
Michael Brown
69b1f24a97
I have no idea how this ever worked before.
2006-05-27 13:43:56 +00:00
Michael Brown
6c50564724
Make PKB_ZLEN the minimum possible size of packet buffer (to allow for
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hardware that can't autopad).
2006-05-27 13:39:45 +00:00
Michael Brown
1dbafa8950
Tidied up debugging messages
2006-05-27 13:38:49 +00:00
Michael Brown
aa2468babe
Added abstraction layer for a three-wire serial device (e.g. the EEPROM
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used on RTL8139 cards).
2006-05-26 15:39:24 +00:00
Michael Brown
2f392ee13e
Need write permission to /dev/net/tun, not just read.
2006-05-26 08:15:31 +00:00
Michael Brown
9f86754f90
Updated to work with libprefix.
2006-05-25 22:04:47 +00:00
Michael Brown
29340d7728
Documented the fact that the prefix can prot_call(main) without
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worrying about its stack being destroyed during the Etherboot run.
2006-05-25 22:04:17 +00:00
Michael Brown
0479e9f541
relocate.o is now dragged in by the objects that require it; there is no
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need for a CONFIG_RELOCATE.
2006-05-25 01:34:13 +00:00
Michael Brown
3204a1e941
Removed some obsolete INIT_XXX constants.
2006-05-25 01:09:06 +00:00
Michael Brown
d82f71efd0
Also hide base memory region from E820 map.
2006-05-25 00:10:58 +00:00
Michael Brown
89da833c5d
init_librm() and prot_call() are now real-mode far calls.
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install() now calls relocate(), moves the protected-mode code to the new
location, and calls hide_etherboot().
2006-05-25 00:06:45 +00:00
Michael Brown
4d81b48504
Has been obsolete for a while.
2006-05-25 00:04:37 +00:00
Michael Brown
1966945a5d
Update relocate() to work with get_memmap().
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Change semantics; relocate() now just finds a suitable location; it
doesn't actually perform the relocation itself. Code in libprefix does
the copy in flat real mode.
2006-05-25 00:04:13 +00:00
Michael Brown
f939ff7cb5
Fix printf format warning error
2006-05-25 00:02:27 +00:00
Michael Brown
3bd3c13c7b
Why should pushal/popal put the registers on the stack in a logical
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order?
2006-05-25 00:01:46 +00:00
Michael Brown
dd75965057
Typo.
2006-05-25 00:00:53 +00:00
Michael Brown
e4f8d6eed7
Add a "count" field to struct memory_map.
2006-05-25 00:00:30 +00:00
Michael Brown
986f6ffff1
Define a struct memory_map with a fixed number of entries, rather than
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requiring each caller to decide how many entries it wants to permit.
2006-05-24 14:41:27 +00:00
Michael Brown
edcf89e2b0
Remove the automatic segment register save and restore; most users of
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REAL_CODE() don't need it.
2006-05-24 14:11:36 +00:00
Michael Brown
02cf755f3f
Removed REAL_EXEC(); there is no longer any code using it.
2006-05-24 14:10:15 +00:00
Michael Brown
103aff3ae2
Added potentially required "\n\t" on the end of asm_code_str
2006-05-24 14:06:28 +00:00
Michael Brown
190276a8b6
NBI is due for removal
2006-05-24 13:53:35 +00:00
Michael Brown
52125e158c
Will be replaced with a block-device implementation.
2006-05-24 13:52:46 +00:00
Michael Brown
8110f9b082
Updated to REAL_CODE()
2006-05-24 13:50:40 +00:00
Michael Brown
595f161b51
Updated to REAL_CODE().
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int13_boot() now does its own segment register save and restore, ready
for the removal of segment register restoration from the libkir
generic code.
2006-05-24 13:48:16 +00:00
Michael Brown
e8550035af
Updated to REAL_CODE()
2006-05-24 13:28:39 +00:00
Michael Brown
c4d688c005
Updated to REAL_CODE().
2006-05-24 13:24:22 +00:00
Michael Brown
04d6005d77
Update to REAL_CODE()
2006-05-24 12:45:50 +00:00
Michael Brown
6631f46999
Updated to REAL_CODE().
2006-05-24 12:32:57 +00:00
Michael Brown
53935e9dc6
Set carry flag before calling INT 15,e801 and INT 15,e820.
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Ignore carry flag for INT 15,88; the Ralf Brown interrupt list says
that CF is unreliable for this call.
2006-05-24 12:19:16 +00:00
Michael Brown
7a53d07027
Split out REAL_CODE() from REAL_EXEC(), preparatory to removing REAL_EXEC
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completely.
2006-05-24 09:51:04 +00:00
Michael Brown
83d80d9e79
Remove references to obsoleted REAL_CALL from documentation.
2006-05-24 09:16:48 +00:00
Michael Brown
3b525385af
Removed REAL_FRAGMENT and REAL_CALL, and left just REAL_EXEC (which is
...
the only one we actually use). This allows REAL_EXEC fragments to
contain proper references to constraints (e.g. "%w0"), rather than having
to force the use of specific registers.
Note that the "num_constraints" parameter is now completely obsolete, and
that we can probably reduce the syntax to something like
__asm__ __volatile__ ( REAL_CODE ( "asm statements" )
: output constraints
: input constraints
: clobber );
which would look much more natural, and avoid the need to always specify
a clobber list.
Add userptr_t to libkir.h, to allow it to at least compile.
2006-05-24 09:14:44 +00:00
Michael Brown
77a65075a6
Replaced memsizes.c with smaller memmap.c, taking advantage of __data16,
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and creating a memory map that's easier to work with than the E820 map.
2006-05-24 01:37:46 +00:00
Michael Brown
5e80847827
Code to install the new E820 mangler (which doesn't require copying
...
down to base memory, since it is now in the base-memory-resident
.text16 section).
2006-05-23 23:47:05 +00:00
Michael Brown
897313007b
Add __{text,data}16_array, since there's no way I can see to make the
...
usual __{text,data}16 trick work with arrays. gcc seems to accept the
__asm__ ( asmlabel ) only after the [] of the array declaration, not
before.
2006-05-23 23:42:45 +00:00
Michael Brown
5ec2b2c251
Cope with regions bigger than 4GB.
...
We now split e820 regions around ourselves, rather than just
truncating the e820 region. This avoids the worst-case scenario of
losing all memory over 4GB.
It's more important to get the memory map right now that we're
expecting to still be loaded when the OS starts in several situations
(e.g. Linux with UNDI driver, any OS with iSCSI/AoE boot, etc.).
2006-05-23 23:33:37 +00:00
