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041a04335e
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Author SHA1 Message Date
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 
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 
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 
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 
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 
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 
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. 
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(). 
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 
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 
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 
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(). 
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. 
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 
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, 
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
Dan Lynch
bef8874842 - implemented printw (formatted string output, a la printf) 
- implemented hline/vline (part of wborder family)
- screen cursor now relocates at same time as window cursor when
  restoring after a non-wrapping function
 2006-05-22 17:03:41 +00:00
Michael Brown
84a493b88d Allow vcprintf() to be called by external code such as the curses library. 
Also trim another eight bytes from vsprintf.o.  :)
 2006-05-22 15:41:01 +00:00
Dan Lynch
f778500739 - fixes to _wputch to get positioning and wrap working properly 
- fixes to wborder (same)
- addition of a few minor functions
 2006-05-22 13:10:19 +00:00
Michael Brown
95956443e1 Fixed debug code 2006-05-21 16:04:41 +00:00
Michael Brown
9dfb9d84b4 Made the LBA48 example clearer. 2006-05-21 16:02:38 +00:00
Michael Brown
80958ff69c Added (untested) support for ATA devices. This code should be generic 
enough to support both real IDE chipsets and AoE.
 2006-05-21 16:01:23 +00:00
Michael Brown
ca2519cea3 Refactored to reduce code size; now down from 1304 to 1105 bytes. 
Tidied up debug messages; the log now contains one line per INT 13
operation, looking like

 INT 13,08 (80): Get drive parameters
 INT 13,02 (80): Read: C/H/S 0/47/14 = LBA 0xb9e <-> 1084:0000 (count 106)
 2006-05-20 15:33:32 +00:00
Michael Brown
af4aacb978 Added missing @file block 2006-05-20 13:25:07 +00:00
Michael Brown
4d0a0f822d Use insb/outsb; it's marginally faster. 2006-05-20 12:28:44 +00:00