Commit Graph

65 Commits

Author SHA1 Message Date
marius
da8bcd86a3 - Add a workaround for the fact that OFW doesn't guarantee that
devices can be opened multiple times simultaneously but we're
  expected to be able to do so by the rest of the loader.
  This fixes booting from disks attached to the on-board SCSI
  controller of Sun Ultra 1 (previously this triggered a trap)
  and probably also of AX1115 boards.
- While here, remove unused variables and add empty lines where
  style(9) requires such.

Tested on:	powerpc (grehan), sparc64
MFC after:	1 month
2005-10-25 12:51:49 +00:00
marius
e5242bfb17 In ofw_parsedev() check the return value of malloc() and protect
against a NULL pointer dereference when ofw_parsedev() is called
with a NULL path argument.

Tested on:	powerpc (grehan), sparc64
2005-10-25 12:49:56 +00:00
marius
55cce44c9e Use an ihandle_t to store the instance handle of an opened device
instead of a phandle_t (package handle). Since both are typedefed
to unsigned int, this is more or less cosmetic.
2005-10-20 11:14:34 +00:00
marius
fae1a322ef Remove unused variables. 2005-10-20 10:39:09 +00:00
grehan
68bcd39181 Make code match comment: make the smallest unit of page allocation
from OpenFirmware be 16 pages to avoid fragmentation in the list
of mappings returned when the kernel requests it in pmap_bootstrap.

This allows a static buffer to be used when obtaining the existing
mappings - very useful on the G5 when random physical pages can't
be grabbed because they can't be BAT-mapped.

MFC after:	3 days
2005-07-22 23:22:29 +00:00
grehan
59b5bfef85 Since the BAT mapping was removed a long time back, it can't
be assumed that modules are contiguous in memory (they're not)
so don't blindly __syncicache start/end. In fact, don't bother
syncing the icache for modules since the kernel will do it after
fixing up relocations.

This fixes the trap when loading modules at boot time.

Reported by:	orlando at break dot net
2005-05-24 21:43:49 +00:00
grehan
fcd83e98ec Change ofw_readin/ofw_copyin to map the entire region before
copying, rather than a page at a time. This was creating far
too many single-page mappings, and eventually OFW overflowed
some internal data structure and refused to map any more.
The new algorithm creates far less mappings and fixed a bug
where multiple mappings for the same page would be created.

'Twas known this was a problem, but only became urgent when the
install CD's mfs_root grew large enough to cause the overflow.
2005-05-19 07:21:46 +00:00
marius
d01b3831e7 Remove unused variables. 2005-03-02 20:12:27 +00:00
imp
bd77e02714 Start each of the license/copyright comments with /*- 2005-01-05 22:16:58 +00:00
ru
5db2b9d5b3 For variables that are only checked with defined(), don't provide
any fake value.
2004-10-24 15:33:08 +00:00
marius
24ad8a9842 Instead of "OpenFirmware", "openfirmware", etc. use the official spelling
"Open Firmware" from IEEE 1275 and OpenFirmware.org (no pun intended).

Ok'ed by:	tmm
2004-08-16 15:45:27 +00:00
grehan
19020b09b6 G5 support: handle the case where the OpenFirmware memory array uses
64 bits for the phys address, but only 32 for the virtual address.
2004-08-02 03:05:09 +00:00
grehan
6001ea5291 All hell breaks loose if the loader image is released before
jumping to the kernel. Another bug exposed by removing the
1:1 BAT mapping. Sparc64 doesn't do this either.

Compile tested on: panther (sparc64). Code built, but not used, on sparc64.
2004-07-08 06:09:22 +00:00
grehan
9063ace8b4 Correctly calculate size of memory to be mapped when copying. Removal
of the 256Mb 1:1 BAT mapping exposed this as copying into memory that
hadn't been claimed from OpenFirmware.

compiled-tested on: panther (sparc64). Code built, but not used, on sparc64
2004-07-08 06:06:56 +00:00
grehan
ebf9bdd548 Extract entry point from elf header before releasing the heap.
This caused a data-miss trap when the BAT init code was removed
on PPC.

Compile tested on: panther (sparc64). Code built, but not used, on sparc64.
2004-07-08 06:04:45 +00:00
obrien
84dcced1d5 Convert to __FBSDID. 2004-01-04 23:30:47 +00:00
grehan
696ff2b7c4 - Add ':' as a separator between the OpenFirmware device space and
the file path. Commonly used on Macs e.g. "hd:9".
- Update the ofw_setcurrdev routine to match libstand setenv prototype

Not objected to by: sparc64
2003-12-21 12:38:25 +00:00
grehan
92ec82003e Make __elfN(ofw_loadfile) match parameter declaration for file_format
in boot/common/bootstrap.h. Having a 32-bit size when a 64-bit param
is declared wreaks havoc on PPC.

Not objected to by: sparc64
2003-12-21 12:27:01 +00:00
grehan
94a666f7b7 Only print out an error if returned data size is < 0. A value of 0
happens almost every time at the end of a file when using NFS.

No objection by: sparc64
2003-12-21 12:19:38 +00:00
grehan
35ca817f49 Use daddr_t instead of u_long for byte offset in strategy
routine to avoid >4G truncation on 32-bit systems.

no objection by: sparc64
2003-12-21 12:16:58 +00:00
grehan
5fe386cc27 - use correct pointer arithmetic in heapsize calculation
- handle multiple Ofw memory regions when determining mem size
- allow currdev to be set as a loader command-line option.
  parse() is used to allow future options to be processed.
2003-12-21 12:11:31 +00:00
peter
fb5fbfc750 Enable the i386 loader to load and run an amd64 kernel. If this puts
things over floppy size limits, I can exclude it for release builds or
something like that.  Most of the changes are to get the load_elf.c file
into a seperate elf32_ or elf64_ namespace so that you can have two
ELF loaders present at once.  Note that for 64 bit kernels, it actually
starts up the kernel already in 64 bit mode with paging enabled.  This
is really easy because we have a known minimum feature set.

Of note is that for amd64, we have to pass in the bios int 15 0xe821
memory map because once in long mode, you absolutely cannot make VM86
calls.  amd64 does not use 'struct bootinfo' at all.  It is a pure loader
metadata startup, just like sparc64 and powerpc.  Much of the
infrastructure to support this was adapted from sparc64.
2003-05-01 03:56:30 +00:00
phk
f946ac1010 Cut&Paste considered far too easy:
Don't include <sys/disklabel.h>
2003-04-16 21:09:41 +00:00
jake
64d3246a13 Fix a dumb bug that broke net booting on sparc64. The wrong length was
passed to strncmp.

Noticed by:	tmm
Approved by:	re
Pointy hat to:	jake
2002-12-02 01:46:22 +00:00
jake
73d398d702 Change the device path representation in libofw to use the full firmware
path, instead of an internal i386 specific one.  Don't try to interpret
a disklabel in ofw_disk.c, open the partition's device node directly and
let the firmware do it.  This fixes booting from a partition other than 'a'
on sparc64, which is needed to support more installation methods.

No objection:	ppc
2002-11-10 19:17:36 +00:00
benno
44423651cb Major rework of how we copy data into kernel space.
We now talk to the memory and mmu instances directly rather than using the
OpenFirmware "claim" method.
2002-07-18 12:39:02 +00:00
benno
80bd743152 Add support for passing metadata. 2002-07-10 12:13:16 +00:00
benno
54bb6c7dad Fix up the DMA buffer allocation call. 2002-06-07 11:49:33 +00:00
ru
bc2e1305d8 Removed now unused INTERNALSTATICLIB.
INTERNALLIB now implies NOPIC and NOPROFILE.
Removed gratuitous NOMAN.
2002-05-13 11:09:07 +00:00
obrien
1b23a3102e Back out last commit. I expect our bsd.*.mk gods to remove the need for
defining so many extra things in addition to INTERNALLIB.  We don't like
repetitive C code and we shouldn't for make code either.
2002-05-12 13:54:42 +00:00
jake
9b110cfade Change the disk probing so that it will actually find disks other
than the first one on a controller, and work for secondary
controllers.
Due to the prom not having nodes for each disk, but a catch-all one,
we have to iterate over each device, trying to open it to determine
whether it is actually present.
Since probing this way takese some time (and spews some spurious
warnings), it should maybe be short-circuited if we use the
device we were booted from.
Implement lazy device probing, and correct slice/partiniton
handling in the ofwd_open() code. With this, I can now actually boot
a kernel from disk, and the loader does not create unnecessary
delays.

Submitted by:	tmm
2002-05-11 21:30:46 +00:00
obrien
4da1be0803 NOPIC, NOPROFILE, NOMAN, and INTERNALSTATICLIB are redundant when using
INTERNALLIB now.
2002-05-11 18:02:33 +00:00
jake
7994a37bd4 Add -ffreestanding to CFLAGS. 2002-02-23 04:36:15 +00:00
jake
8f643f6169 Fix test for != 0 that should be > 0. 2002-02-23 04:33:15 +00:00
jake
e187f56a06 Check the return values of index() and don't dereference it if its null;
the path may not have a ':' in it.  The mac address property is called
mac-address for sparc64.  Don't allocate a dma buffer for sparc64 either.
2002-02-23 04:31:30 +00:00
jake
c819020411 #if 0 more bootinfo stuff. 2002-02-23 04:13:02 +00:00
jake
3088b53a9a Add OF_claim_virt() and OF_release_phys().
Submitted by:	tmm
2002-02-23 03:36:04 +00:00
robert
7e57a5d41a - Remove unneeded variable.
- Remove change for my local configuration that slipped in with
   the last commit; I am having problems booting when multiple SCSI
   disks are attached, so I will change this part as soon as I find
   a solution, anyway.
2002-02-15 13:22:09 +00:00
robert
964cc8dfc6 This file is now unneeded. 2002-02-15 13:11:00 +00:00
robert
36d5064113 - Do not include a NetBSD header as it is not needed anymore.
- Remove two constants that were needed in conjuction with the
   NetBSD disklabel header.  Use the FreeBSD equivalents.
   To boot from NetBSD/sparc64 partitions, define LABELOFFSET to
   be 128.
 - Do not use the complete open firmware path to filter out cdrom drives.
   No path containing "cdrom" is detected as a disk now.
 - Simplify some code.
2002-02-15 13:09:34 +00:00
jake
36e649fc50 Make the openfirmware entry point function pointer non-static so that it
can be passed to the kernel.
2001-10-30 06:23:32 +00:00
robert
c9e9bef4c3 Add a prototype for OF_alloc_phys. 2001-10-15 14:43:38 +00:00
robert
7c8b327153 Make the ofw_reg structure and ofw_alloc_heap 64-bit save. 2001-10-15 12:16:20 +00:00
robert
ceb5e8e962 Do not include openfirm.h; it is now included by libofw.h. 2001-10-15 09:52:38 +00:00
robert
0d8645d083 - Use the cell_t type definition for Open Firmware arguments in
combination with requisite casts as this avoids fatal side
   effects on 64-bit architectures.
 - Add the OF_alloc_phys function.
2001-10-15 09:51:09 +00:00
robert
239df19262 - Fill dummy functions with code to read from disk using Open
Firmware.
 - Add a temporary disklabel header to boot off a NetBSD/sparc64
   partition.  This file can be deleted when we have got a FCode
   bootblock.

The disklabel header was obtained from NetBSD.
2001-10-15 09:35:40 +00:00
robert
8e79c738e5 - Include openfirm.h for phandle_t.
- Add some necessary members to the ofwdisk structure.
 - Add a prototype for ofw_parseofwdev.
2001-10-15 09:28:07 +00:00
robert
e2f56100f9 Add a function for parsing an Open Firmware boot path into the
ofw_devdesc structure.
2001-10-15 09:25:30 +00:00
robert
ea6b1a25c3 - Add an ifdef guard.
- Use unsigned types for the (32-bit) Open Firmware device handles
   to avoid sign extension on 64-bit architectures.
 - Add a standard type definition for Open Firmware arguments.
2001-10-15 09:02:03 +00:00
benno
1100470ac5 Whitespace fixes. 2001-10-07 13:27:27 +00:00