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1510 Commits (df0397f33469f9e3ed1d54cedd5fe6282881e3fc)

Author SHA1 Message Date
Michael Brown 3b77c7aa1b Hex dumps are now integrated into the DBG() framework. 2007-01-13 16:49:38 +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 
allocation.
 2007-01-13 01:48:12 +00:00
Michael Brown 341c0b9cfb Add HTTP test support 2007-01-12 19:19:59 +00:00
Michael Brown 497c3a5aad Fixed HTTP 2007-01-12 19:18:13 +00:00
Michael Brown 369754f959 Whitespace fix 2007-01-12 19:17:25 +00:00
Michael Brown 63386f4455 Added ENOENT, since HTTP 404 translates to it 2007-01-12 19:14:01 +00:00
Michael Brown ca3db0bf11 Added isspace() and made strtoul() accept whitespace, as per POSIX. 2007-01-12 19:11:28 +00:00
Michael Brown 83b7933f8a Damn it; my lovely resilient scheme falls down when you have a protocol 
that switches from line-oriented to byte-oriented partway through, such as
HTTP.
 2007-01-12 18:09:14 +00:00
Michael Brown ad22cccc09 No need to maintain a received byte count; we always fill in sequential 
order so we can just use buffer->fill.
 2007-01-12 17:16:46 +00:00
Michael Brown 996b091b50 Added generic line-buffering code (a la stdio) 2007-01-12 17:08:37 +00:00
Michael Brown bcd6ca3291 Place multiboot tables in base memory; at least some OSes won't see it 
if we don't.
 2007-01-12 16:25:05 +00:00
Michael Brown 5c72d9c4e0 Print image physical location in registration message. 2007-01-12 16:20:51 +00:00
Michael Brown 0f29e0e46e Ensure multiboot modules are in ascending order of memory start 
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 112d7f9d79 Code used for load buffer and multiboot image testing 2007-01-12 10:12:11 +00:00
Michael Brown 49fc8dcdc3 Use dhcp(), imgfetch() etc. to boot rather than dhcp_test(). 2007-01-12 10:08:27 +00:00
Michael Brown b45a9bfa2d Added missing declaration. 2007-01-12 10:07:56 +00:00
Michael Brown a6afbe762c Make DEBUG=script echo the commands as they are executed 2007-01-12 10:06:59 +00:00
Michael Brown 9952df9b52 Add "dhcp" command 2007-01-12 09:53:28 +00:00
Michael Brown e2c0055e23 Let ifmgmt.c take care of calling efree(), since it's the once which 
took out the contract to eventually call efree() when it called fetch().

Maintain the most recently loaded image at the start of the list, so that
imgautoselect() will pick it.
 2007-01-12 09:46:10 +00:00
Michael Brown 39ede8c7e8 Added dhcp() user-level command. 2007-01-12 09:20:11 +00:00
Michael Brown 67aedf34fa Use systematic names for XXX_IMAGE. 
Add scripts as an image format (since it's trivial to do).
 2007-01-12 09:00:48 +00:00
Michael Brown 83559c668a Don't print "<NULL>" when we use imgautoselect(). 2007-01-12 08:59:25 +00:00
Michael Brown 2be2f3b205 Rearrange struct image to reflect usage of the fields 2007-01-12 08:58:16 +00:00
Michael Brown eba3609e7f Add debug message 2007-01-12 08:57:51 +00:00
Michael Brown 5162f30028 Ignore comment lines. 
Avoid returning errors for comments and empty lines.
 2007-01-12 08:56:48 +00:00
Michael Brown 48e0fc3447 API change: the raw image will no longer be (hypothetically) discarded 
after a call to load().
 2007-01-12 08:15:25 +00:00
Michael Brown 6fdc6c81a6 Force probing of multiboot before ELF. 2007-01-12 08:10:35 +00:00
Michael Brown 475d6d1f7c fetch() now knows nothing about struct image; it simply loads a file and 
returns the allocated buffer.
 2007-01-12 08:02:27 +00:00
Michael Brown 2876197306 Allow "imgexec" with no arguments to boot the file that was loaded with 
"kernel".
 2007-01-12 07:32:46 +00:00
Michael Brown f135a37f30 Cleaner separation between imgXXX() functions and image_cmd.c 2007-01-12 07:22:20 +00:00
Michael Brown 742f242863 Add free_image 2007-01-12 06:26:59 +00:00
Michael Brown 9817f93094 Add basic "fetch" and "imgstat" commands. 2007-01-12 06:05:27 +00:00
Michael Brown b9fea9cbac Added IMAGE_LOADED flag and find_image() 2007-01-12 06:03:02 +00:00
Michael Brown 8b6eaf3c82 Be silent if there are no network interfaces 2007-01-12 05:48:22 +00:00
Michael Brown e96041872e Added missing declaration. 2007-01-12 05:27:02 +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 f15482d85f Added basename() to make automatically naming images easier. 2007-01-12 05:24:51 +00:00
Michael Brown 29dadc5ec6 Build automatically expanding buffers from struct buffer and erealloc(). 2007-01-12 03:51:04 +00:00
Michael Brown 77b7640af4 Fix the only bug (which was to use DBGC() in place of DBG()!) and add 4kB 
alignment.
 2007-01-12 03:28:03 +00:00
Michael Brown 132a8fe49d Quick and dirty test for emalloc() 2007-01-12 03:27:05 +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 
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 2c66588f3e Add UNULL 2007-01-12 01:40:12 +00:00
Michael Brown 6c894c2a2e Fix typo 2007-01-12 01:37:38 +00:00
Michael Brown e4c6418ac0 We may be required to page-align modules, so let's make sure we catch 
it if we don't.
 2007-01-12 00:09:16 +00:00
Michael Brown 7bf94b5ad6 Allow for named images. 2007-01-11 23:45:18 +00:00
Michael Brown f59ad50504 Provide registration mechanism for loaded images, so that we can e.g. 
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 79a399c05a alloca() can be useful in some (limited) circumstances. 2007-01-11 23:19:31 +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 c468c68661 Add command line that can be passed to executed images. 2007-01-11 21:19:29 +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 7cf4a72389 Add placeholder elf_execute() 2007-01-11 17:44:07 +00:00
Michael Brown 819cd3f41c Limit -ENOEXEC to mean "this is not in my format". 2007-01-11 17:06:25 +00:00
Michael Brown 6a03552381 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).
 2007-01-11 16:30:21 +00:00
Michael Brown 143e3b84a4 Downloaded from current grub CVS. 2007-01-11 16:22:03 +00:00
Michael Brown c810baad37 Use generic "struct image" rather than "struct elf". 2007-01-11 16:10:32 +00:00
Michael Brown c6c63d954d Rename "image" field to "data", because "image->image" is just confusing. 2007-01-11 16:07:30 +00:00
Michael Brown 4fc9333159 Move include/image.h to include/gpxe/image.h 2007-01-11 16:04:36 +00:00
Michael Brown d84ec0e5d5 Had this file lying around for ages; may as well check it in. 2007-01-11 15:31:50 +00:00
Michael Brown 91ac92bc86 Try image as ELF file first. (Don't yet actually try to execute it). 2007-01-11 15:27:06 +00:00
Michael Brown 3460860bef Print informative error message when boot fails. 2007-01-11 15:26:17 +00:00
Michael Brown 230f16538f 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
 2007-01-11 15:25:07 +00:00
Michael Brown 0010e10ef3 Update TFTP to use a struct buffer rather than a callback. 
Add debug autocolourisation to TFTP.
 2007-01-11 15:14:54 +00:00
Michael Brown d9204ef676 Use physical address in debug messages; they make more sense to read. 2007-01-11 15:08:58 +00:00
Michael Brown 7ad1c2eaa8 Removed the Etherboot-specific ELF-image code and replaced it with a 
generic ELF loader, to be used by the multiboot code.
 2007-01-11 14:44:03 +00:00
Michael Brown 10980c12ee Add image directory back in 2007-01-11 14:43:15 +00:00
Michael Brown 3634e705b7 Remove osloader.c and replace with a prep_segment() that uses userptr_t 
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 
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 fbfed96965 buffer.c should be using copy_{to,from}_user, rather than 
copy_{to,from}_phys.
 2007-01-11 05:42:06 +00:00
Michael Brown 037da9d840 I hate NULL pointer dereferences. 2007-01-11 05:27:02 +00:00
Michael Brown 03390f0cd6 Use pkb_pad() rather than doing it the dangerous way :) 2007-01-11 05:26:16 +00:00
Michael Brown a3ed0cbbc7 Extract packet-padding login from rtl8139.c to a separate pkbpad.c file. 2007-01-11 05:25:50 +00:00
Michael Brown 6918cf9e9e Change FTP to use a data buffer rather than a callback function. 2007-01-11 04:51:20 +00:00
Michael Brown c0ef730ec4 Fix bug in buffer.c, add buffer mini-unit test. 2007-01-11 04:46:41 +00:00
Michael Brown 83fa318b86 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.
 2007-01-11 04:01:31 +00:00
Michael Brown e2dcd05b67 Update buffer-handling code to enable expandable buffers. 2007-01-11 03:50:47 +00:00
Michael Brown bb2024c6d6 Move include/buffer.h to include/gpxe/buffer.h 2007-01-11 01:47:26 +00:00
Michael Brown de042993c0 Warn when net device on an active route is not open. 2007-01-10 20:58:36 +00:00
Michael Brown d45c5e7ce7 Add "route" command (which currently only displays the routing table; it 
can't modify it).
 2007-01-10 20:51:14 +00:00
Michael Brown d9ba8f790b Add route() function to display routing table. 2007-01-10 20:38:20 +00:00
Michael Brown 78ded6604a 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.
 2007-01-10 20:21:42 +00:00
Michael Brown 1fa5cd0e2b Add find_pci_netdev() 2007-01-10 16:16:05 +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 f396f1f9d3 Force ordering of commands within help list. 2007-01-10 05:13:20 +00:00
Michael Brown cef551376f Force ordering of commands in help list. 2007-01-10 05:10:30 +00:00