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c4964c3e3a
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216 Commits

Author SHA1 Message Date
Marty Connor
c4964c3e3a fix args to _disable routine 2006-09-19 15:01:16 +00:00
Marty Connor
56a3ff7202 get rid of compile warnings (except intentionally generated ones) 2006-09-14 20:54:05 +00:00
Marty Connor
c30623b739 fix DBG macro unknown variable 2006-09-14 20:34:53 +00:00
Michael Brown
0566ab2a2f Added geometry-guessing code based on the partition table 2006-09-08 22:22:03 +00:00
Michael Brown
78dd963c1f Check to see if we've reached the end of the map before attempting to 
skip past an empty region, otherwise we end up generating an infinitely
long e820 map.  (Yes, there *are* real systems that provide e820 maps
with a zero-length region at the end...)
 2006-08-31 13:25:45 +00:00
Michael Brown
5a54225aef Added support for INT 13,15; NTLDR calls it (though it may not 
actually do anything with the result, since it carried on using us
even when we returned failure).
 2006-08-27 01:22:01 +00:00
Michael Brown
40724431e8 Added support for INT 13,15; NTLDR calls it (though it may not 
actually do anything with the result, since it carried on using us
even when we returned failure).
 2006-08-26 23:42:02 +00:00
Michael Brown
19883779ba Use TEXT16_CODE() rather than manually specifying ".code16" etc, since 
our manual ".code32" will break a KEEP_IT_REAL build.
 2006-08-24 18:43:28 +00:00
Michael Brown
6abfaa153b Towards making KEEP_IT_REAL work again. 
Fix bug that caused over-allocation of .text16 and .data16 memory areas
by a factor of 16.
 2006-08-24 13:18:05 +00:00
Michael Brown
4afc494b83 Both the !PXE and PXENV+ structures must be paragraph-aligned 2006-08-09 18:22:25 +00:00
Michael Brown
fd07f56f0d Note to self: learn to count. 2006-08-09 00:56:07 +00:00
Michael Brown
843bcc291d Added missing __from_text16()s when passing pointers to PXE NBP. 2006-08-09 00:39:21 +00:00
Michael Brown
751ae718bd pxe_int_1a is needed by pxe_call.c 2006-08-09 00:16:57 +00:00
Michael Brown
18c112d205 Added (not yet tested) PXE API entry point and support functions. 2006-08-08 20:43:33 +00:00
Michael Brown
a0a872f7f1 Updated PXE UDP implementation to use the new Etherboot UDP API. 
Updated PXE API dispatcher to use copy_{to,from}_user, and moved to
arch/i386 since the implementation is quite architecture-dependent.
(The individual PXE API calls can be largely
architecture-independent.)
 2006-08-02 23:08:10 +00:00
Michael Brown
2138db36ca Add "addr32" required explicitly by older gas. 2006-06-12 01:07:43 +00:00
Michael Brown
df4b503a8c Added null trap code for debugging. (Must be included by adding 
--nulltrap to the make target at the moment.)
 2006-06-11 01:48:29 +00:00
Michael Brown
476d02051f Windows Server 2003 sulks if we feed it an empty region in base memory 
as a result of our memory map editing, so strip out any empty regions.
 2006-06-09 12:20:03 +00:00
Michael Brown
6fd1bd0510 Added missing check-in 2006-06-09 10:19:17 +00:00
Michael Brown
17eea9f933 Fix bug with >256 cylinders. 
Allow our functions to return a non-zero, non-error status (since the
INT 13 Extensions Check has to return the API version in the register
that is otherwise always used for the error code).

Report a non-zero API version from the INT 13 Extensions Check; GRUB
now uses extended reads.
 2006-06-08 19:28:08 +00:00
Michael Brown
fdf62528ca It's astonishing how long really fundamental bugs can survive without 
being noticed...
 2006-06-08 15:06:09 +00:00
Michael Brown
191a906338 Fix some remarkably obvious mistakes in pcidirect.h 2006-06-08 14:57:04 +00:00
Michael Brown
763b7e2ef9 We now have just romprefix, rather than having isaprefix and pciprefix 2006-06-06 15:41:21 +00:00
Michael Brown
ef37f78cbe Cut out almost all the optional code paths, drastically simplifying the 
flow of control through this code.

We now always add PCI and PnP headers even for ISA ROMs; there's no harm
in doing so.

UNDI loader is still missing.
 2006-06-06 15:33:39 +00:00
Michael Brown
e7eca7b7cb Code segment may not be writable; create the temporary pointer to the GDT 
on the stack.
 2006-06-06 15:30:28 +00:00
Michael Brown
46253ba618 Calculate _rom_size for the ROM prefix 2006-06-06 15:29:39 +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
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
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