Michael Brown
99cb46943f
"vga=" is specified in decimal, not hex.
2007-01-22 23:56:24 +00:00
Michael Brown
ebb00e032c
Misread the definition of the type_of_loader field; it should include a
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version.
2007-01-19 15:40:01 +00:00
Michael Brown
73b09ecba6
Use stdio.h instead of vsprintf.h
2007-01-19 01:13:12 +00:00
Michael Brown
5d57cd47a2
Declaring the CPU architecture in the middle of an assembly file is
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somewhat redundant, and also causes gas to complain when we include
the profiling code (which uses an i586 instruction).
2007-01-18 18:53:32 +00:00
Michael Brown
bd95927386
Accelerate memcpy() by around 32% on large, dword-aligned copies.
2007-01-18 15:18:02 +00:00
Michael Brown
544fa25928
Rename e{malloc,realloc,free} to u{malloc,realloc,free}, to more obviously
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reflect the fact that they allocate and deallocate user memory (i.e.
things reached through a userptr_t).
2007-01-16 08:36:42 +00:00
Michael Brown
a5f6408d8e
We can now load an initrd as well as a kernel
2007-01-14 16:09:01 +00:00
Michael Brown
b9f99858ab
Make the getmemsize() prototype available in memsizes.h, for code that
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doesn't want to go to the hassle of processing a full memory map.
2007-01-14 15:32:25 +00:00
Michael Brown
10c9b03cdb
Actually, the initrd image should be architecture-independent.
2007-01-14 15:07:11 +00:00
Michael Brown
f92e04dea4
Add dummy "initrd" image format, just so that images can be marked as
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initrds.
2007-01-14 15:03:39 +00:00
Michael Brown
8a490146bf
Copy command line at execution time rather than load time.
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Parse command line for "vga=" and "mem=" parameters
2007-01-14 14:29:30 +00:00
Michael Brown
3ccd7335f0
Split bzimage_load into separate functions
2007-01-14 13:36:33 +00:00
Michael Brown
97a3037f76
Can start a Linux kernel directly (albeit with no initrd support)
2007-01-14 12:34:35 +00:00
Michael Brown
3cbf0db0a3
Remove some references to no-longer-existent source files.
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Add a path for isolinux.bin that is correct on my system; hopefully it
will work on others too.
2007-01-14 11:52:22 +00:00
Michael Brown
b04b0ddc31
.lilo and derived targets (e.g. .iso) now load properly.
2007-01-14 11:50:44 +00:00
Michael Brown
77d280968a
Obsoleted by arch/i386/image/multiboot.c
2007-01-14 11:45:28 +00:00
Michael Brown
784e10635a
Can almost start a kernel now. It dies with "No setup signature found"
2007-01-14 06:36:20 +00:00
Michael Brown
b07161f397
Placeholder bzImage support
2007-01-14 04:27:25 +00:00
Michael Brown
797edf28b7
Replace image->entry with image->priv.
2007-01-14 04:04:28 +00:00
Michael Brown
3bdbfe1f00
Mostly updated. Won't work yet.
2007-01-14 03:49:07 +00:00
Michael Brown
644f3674e6
Obsolete for some time
2007-01-14 02:24:41 +00:00
Michael Brown
7bc03d37a2
Select a PXE network device before starting PXE NBP.
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Move pxe_boot() code to pxe_image.c
2007-01-14 02:20:10 +00:00
Michael Brown
55e6d7b70c
Use debug autocolourisation.
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Shut down before jumping to the multiboot image.
2007-01-14 00:57:43 +00:00
Michael Brown
dca369ddc3
Call hide_etherboot() from startup(), rather than requiring the prefix to
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do it.
2007-01-14 00:53:56 +00:00
Michael Brown
ece4ff929e
Use _text, rather than assuming _text==0.
2007-01-14 00:03:07 +00:00
Michael Brown
f547f148d3
Use {get,set}_fbms() so that allocated base memory is correctly hidden.
2007-01-14 00:01:16 +00:00
Michael Brown
0b0e34e667
Provide {get,set}_fbms() in basemem.h.
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set_fbms() will also update the E820 hidden region.
2007-01-13 23:57:31 +00:00
Michael Brown
aaed3d50a8
Some operating systems get a nasty shock if a region of the E820 map seems
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to start on a non-page boundary. Make life safer by rounding out our
edited regions.
2007-01-13 23:38:33 +00:00
Michael Brown
d0f4e9a54b
Add some trace messages for important events
2007-01-13 17:54:41 +00:00
Michael Brown
f11900a9c6
I prefer IMAGE_XXX to XXX_IMAGE.
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Add IMAGE_PXE to use the new image format framework. "kernel pxelinux.0"
now works.
2007-01-13 17:28:51 +00:00
Michael Brown
bd863e4112
Add header for pxe_boot()
2007-01-13 17:23:44 +00:00
Michael Brown
4b77061881
Pick up the return status code from the correct place now that we
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don't overwrite the parameter block until *after* the debug code.
2007-01-13 16:55:57 +00:00
Michael Brown
5817c9f114
When an UNDI API call fails, print everything there is to know about it.
2007-01-13 16:53:55 +00:00
Michael Brown
6a3c76c8e0
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.
2007-01-13 14:45:26 +00:00
Michael Brown
86171c53f4
Damn Broadcom and their damned incorrect assumptions about x86 memory
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allocation.
2007-01-13 01:48:12 +00:00
Michael Brown
bcd6ca3291
Place multiboot tables in base memory; at least some OSes won't see it
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if we don't.
2007-01-12 16:25:05 +00:00
Michael Brown
0f29e0e46e
Ensure multiboot modules are in ascending order of memory start
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address, to work around OS bugs.
2007-01-12 12:03:19 +00:00
Michael Brown
53e948bba8
Fix the memory map.
2007-01-12 11:38:04 +00:00
Michael Brown
6fdc6c81a6
Force probing of multiboot before ELF.
2007-01-12 08:10:35 +00:00
Michael Brown
9debfed07a
Place command-line inline, to save on memory allocation hassles.
2007-01-12 05:26:19 +00:00
Michael Brown
77b7640af4
Fix the only bug (which was to use DBGC() in place of DBG()!) and add 4kB
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alignment.
2007-01-12 03:28:03 +00:00
Michael Brown
45ec9c907e
First version of an external memory allocator (not tested)
2007-01-12 03:15:29 +00:00
Michael Brown
1d313234b3
Rename copy_user() to memcpy_user(). Add memmove_user() and
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userptr_add().
2007-01-12 03:14:15 +00:00
Michael Brown
859da6bd32
Allow external code to update hidden memory regions.
2007-01-12 03:13:04 +00:00
Michael Brown
687c1e3227
Nothing (not even hidemem.c) uses this file!
2007-01-12 02:45:46 +00:00
Michael Brown
39a8ed827c
Long since obsoleted by arch/i386/scripts/i386.lds
2007-01-12 02:43:10 +00:00
Michael Brown
2e088d9afc
Obsoleted by arch/i386/interface/pxe/pxe_call.c
2007-01-12 02:42:14 +00:00
Michael Brown
f81bf3bc52
We *do* have a __data16_array after all!
2007-01-12 02:37:47 +00:00
Michael Brown
e4c6418ac0
We may be required to page-align modules, so let's make sure we catch
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it if we don't.
2007-01-12 00:09:16 +00:00
Michael Brown
f59ad50504
Provide registration mechanism for loaded images, so that we can e.g.
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refer to them by name from the command line, or build them into a
multiboot module list.
Use setting image->type to disambiguate between "not my image" and "bad
image"; this avoids relying on specific values of the error code.
2007-01-11 23:43:29 +00:00
Michael Brown
f31d91bce5
Populate multiboot information structure before calling OS.
2007-01-11 21:21:02 +00:00
Michael Brown
ddbc60b5ae
Whoever put together the grub multiboot.h header is insane.
2007-01-11 21:20:27 +00:00
Michael Brown
200d92c76d
Avoid namespace clashes
2007-01-11 19:42:26 +00:00
Michael Brown
bcc98c78b8
Added fields present in the documentation but not in the header file.
2007-01-11 19:41:13 +00:00
Michael Brown
dc51af59a4
Capable of starting a multiboot kernel (albeit without the multiboot
...
information table yet).
2007-01-11 18:41:15 +00:00
Michael Brown
9196e9069c
Add PHYS_CODE, for use as in __asm__ ( PHYS_CODE ( ... ) ), comparable
...
to the REAL_CODE interface.
2007-01-11 18:40:46 +00:00
Michael Brown
d488a172eb
Capable of loading a multiboot image into memory
2007-01-11 17:44:42 +00:00
Michael Brown
143e3b84a4
Downloaded from current grub CVS.
2007-01-11 16:22:03 +00:00
Michael Brown
4fc9333159
Move include/image.h to include/gpxe/image.h
2007-01-11 16:04:36 +00:00
Michael Brown
7ad1c2eaa8
Removed the Etherboot-specific ELF-image code and replaced it with a
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generic ELF loader, to be used by the multiboot code.
2007-01-11 14:44:03 +00:00
Michael Brown
3634e705b7
Remove osloader.c and replace with a prep_segment() that uses userptr_t
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and get_memmap() in image/segment.c
2007-01-11 14:32:26 +00:00
Michael Brown
ceca6b185c
Added user_to_phys() and memset_user().
2007-01-11 14:27:27 +00:00
Michael Brown
c980cdd0aa
Move memmap.h out of arch/i386; it no longer contains anything
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architecture-dependent and is needed by the ELF code.
2007-01-11 14:08:44 +00:00
Michael Brown
c6a4055fae
Add phys_to_user() and copy_user().
2007-01-11 14:01:20 +00:00
Michael Brown
e2dcd05b67
Update buffer-handling code to enable expandable buffers.
2007-01-11 03:50:47 +00:00
Michael Brown
fdc97499bf
Add device description fields to struct device.
2007-01-10 15:27:48 +00:00
Michael Brown
489a4004d7
Give UNDI device a more meaningful name.
2007-01-10 05:52:04 +00:00
Michael Brown
dad5274522
Add "name" field to struct device to allow human-readable hardware device
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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).
2007-01-10 04:22:09 +00:00
Michael Brown
c65fae2475
Add RX quotas to the net device poll() method. This avoids the problem
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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.
2007-01-09 21:47:01 +00:00
Michael Brown
18e5353bed
Rename pkb_available() to pkb_tailroom() for consistency with Linux's
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skb_tailroom(). Add pkb_headroom().
2007-01-09 20:56:31 +00:00
Michael Brown
b7fcfe8ece
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
2007-01-09 20:18:31 +00:00
Michael Brown
3c2cc59d25
Added ability to break ISR processing over several calls to poll().
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This will allow us to implement RX quotas.
2007-01-09 17:04:10 +00:00
Michael Brown
aa7bda7b47
Send EOI after enabling interrupt, in case the device had asserted IRQ
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to the PIC while it was disabled.
2007-01-09 14:53:19 +00:00
Michael Brown
a2ffe8c123
Allow boot sector to completely destroy real-mode stack, but still
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manage to return control.
2007-01-09 14:13:59 +00:00
Michael Brown
a9369bb503
Leave protected-mode return address on PM stack when issuing a
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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().
2007-01-09 14:13:06 +00:00
Michael Brown
2738bdf74b
Obsoleted by drivers/net/undionly.c
2007-01-09 03:22:11 +00:00
Michael Brown
d606edb41d
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).
2007-01-09 03:20:22 +00:00
Michael Brown
159930862f
Added missing call to undinet_remove()
2007-01-09 03:08:01 +00:00
Michael Brown
6b09dd8244
undipci_probe() has to calculate busdevfn anyway, so we may as well pass
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it directly to undi_load_pci().
2007-01-09 02:58:07 +00:00
Michael Brown
ed44e3730d
Avoid erasing non-existent signatures in undi_unload()
2007-01-09 02:53:24 +00:00
Michael Brown
a2be828a33
Avoid leaving preloaded_undi with invalid PXENV+/!PXE structure
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addresses if the signature checks fail.
2007-01-09 02:52:28 +00:00
Michael Brown
697bcc9d24
Since we now always unload the base code stack (even if we keep UNDI),
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we can never return to the PXE stack and must always use INT 18.
2007-01-09 02:46:58 +00:00
Michael Brown
f2f492a536
If preloaded device matches, use that rather than going via the UNDI
...
loader.
2007-01-09 02:32:06 +00:00
Michael Brown
2436dac281
Populate preloaded_undi device when applicable.
2007-01-09 02:29:54 +00:00
Michael Brown
937289cdc8
Provide storage for an undi_device structure representing the preloaded
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UNDI stack.
2007-01-09 02:29:18 +00:00
Michael Brown
47222d5ed8
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.
2007-01-09 01:42:28 +00:00
Michael Brown
cea2221737
Use fixed-width fields in struct undi_device, so that pxeprefix.S will be
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able to populate the structure.
2007-01-09 01:41:26 +00:00
Michael Brown
fbdebac5f4
Copy pxelinux's shutdown sequence: use UNLOAD_STACK without STOP_BASE,
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and call UNDI_SHUTDOWN first to make sure the NIC is in a safe state.
2007-01-08 05:06:26 +00:00
Michael Brown
8f8af10b22
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.
2007-01-08 03:48:26 +00:00
Michael Brown
075d79f6d4
Checking in obsolete but working memory-scanning code just for the record
2007-01-08 03:45:00 +00:00
Michael Brown
67e824b539
Neaten up debug messages
2007-01-08 03:42:19 +00:00
Michael Brown
f08093b0d9
Remove spurious debug message
2007-01-08 03:37:32 +00:00
Michael Brown
f0edd11c7d
Now split out into undirom.c and undiload.c
2007-01-08 03:35:51 +00:00
Michael Brown
07e5d4e3dc
Added any-PCI-device UNDI driver
2007-01-08 03:34:47 +00:00
Michael Brown
66f7bcc785
Tidied up debug messages
2007-01-08 03:34:06 +00:00
Michael Brown
a6ba48e51e
Added debugging statements
2007-01-08 03:04:54 +00:00
Michael Brown
239965ff3b
Added missing includes
2007-01-08 03:03:42 +00:00
Michael Brown
6115356859
Added missing declarations
2007-01-08 02:51:27 +00:00
Michael Brown
aff96c13d2
Added missing include
2007-01-08 02:51:04 +00:00
Michael Brown
afc01a1a7f
Split UNDI load/unload out into undiload.c.
2007-01-08 02:48:17 +00:00