Commit Graph

150 Commits

Author SHA1 Message Date
Pedro F. Giffuni
e099b90b80 sys: Replace zero with NULL for pointers.
Found with:	devel/coccinelle
MFC after:	3 weeks
Differential Revision:	https://reviews.freebsd.org/D9694
2017-02-22 02:35:59 +00:00
Ed Maste
bc814587a9 Deduplicate loader vers.c Makefile rules
The Makefile rule to create vers.c for loader version info was
previously duplicated in each of the various loader Makefiles.
Instead, share a common rule in Makefile.inc.

Reviewed by:	bapt
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D8841
2016-12-19 14:40:59 +00:00
Ed Maste
0bf23e313e Reduce boot loader version string duplication
Instead of repeating "%s, Revision %s" "(%s %s)" in each loader, just
create the full version string in vers.c

Reviewed by:	bapt
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D8823
2016-12-18 13:57:23 +00:00
Warner Losh
158c18ffb4 dd is currently a bootstrap tool. It really doesn't have any business
being a bootstrap tool. However, for reproducible build output,
FreeBSD added dd status=none because it was otherwise difficult to
suppress the status information, but retain any errors that might
happen. There's no real reason that dd has to be a build tool, other
than we use status=none unconditional. Remove dd from a bootstrap tool
entirely by only using status=none when available. This may also help
efforts to build the system on non-FreeBSD hosts as well.

Differential Revision: https://reviews.freebsd.org/D8605
2016-12-02 14:44:38 +00:00
Baptiste Daroussin
1b46e63d3c Stop closing the network device when netbooting for loaders using the common
dev_net.c code.

The NETIF_OPEN_CLOSE_ONCE flag was added in r201932 to prevent that behaviour
on some architectures (sparc64 and powerpc64) the default was left to always
open and close the device for each open and close of a file by the loader
because it was necessary for u-boot on arm.

Since it has been added, the flag was turned on for every arches including the
u-boot loader for arm.

This also fixes netbooting on RPi3 (tested by gonzo@)

For the loader.efi it greatly speeds up netbooting

Reviewed by:	emaste, gonzo, tsoome
Approved by:	gonzo
MFC after:	1 month
Sponsored by:	Gandi.net
Differential Revision:	https://reviews.freebsd.org/D8230
2016-10-13 22:43:49 +00:00
Pedro F. Giffuni
768f89e078 sys/boot: make use of the howmany() macro when available.
We have a howmany() macro in the <sys/param.h> header that is
convenient to re-use as it makes things easier to read.
2016-04-26 14:51:58 +00:00
Warner Losh
5bbc34e185 Move all the separate copies of the same strings into paths.h. There's
nothing machine specific about these.

Differential Revision: https://reviews.freebsd.org/D5038
2016-01-26 06:26:19 +00:00
Allan Jude
9322ac3f6e Remove guards around overwriting loader.rc and menu.rc
There have been .local version of each for user modifications for some time
This allows users to receive future updates to these files

PR:		183765
Submitted by:	Bertram Scharpf, Nikolai Lifanov (patch)
Reviewed by:	dteske, loos, eadler
Approved by:	bapt (mentor)
MFC after:	1 month
Relnotes:	yes
Sponsored by:	ScaleEngine Inc.
Differential Revision:	https://reviews.freebsd.org/D3176
2015-08-06 16:07:27 +00:00
Baptiste Daroussin
27823c59c5 Fix fallouts from r284590
Reported by:	kib
2015-06-19 14:20:21 +00:00
Andreas Tobler
4916c80e88 Fix the loader for sparc64.
The commit from r279799 missed the adaptation of md_load in
sparc64/loader/main.c. This resulted in Memory Address Align issues at the
early boot stage.

Tested on a netbooted Fire 120.
2015-05-01 20:35:09 +00:00
Jung-uk Kim
11823c5f1e Revert .PATH changes to fix mips build.
Reported by:	bz
Pointy hat to:	jkim
2015-04-03 02:27:40 +00:00
Jung-uk Kim
bf64b1d71c Install newly added brand-*.4th and logo-*.4th files and reduce duplication.
Reviewed by:	dteske
Pointy hat to:	dteske
2015-04-02 20:07:05 +00:00
Nathan Whitehorn
4b2b0f5043 Provide a shim layer in loader to condense the Open Firmware device tree to
an FDT. This is how Linux and OS X boot and can avoid some issues with
using Open Firmware at runtime. The code is highly experimental and disabled
by default; it can be turned on by setting the loader environment variable
"usefdt" to a non-NULL value.
2015-03-09 02:57:34 +00:00
Bryan Drewery
5608fd23c2 Revert r267233 for now. PIE support needs to be reworked.
1. 50+% of NO_PIE use is fixed by adding -fPIC to INTERNALLIB and other
   build-only utility libraries.
2. Another 40% is fixed by generating _pic.a variants of various libraries.
3. Some of the NO_PIE use is a bit absurd as it is disabling PIE (and ASLR)
   where it never would work anyhow, such as csu or loader. This suggests
   there may be better ways of adding support to the tree. Many of these
   cases can be fixed such that -fPIE will work but there is really no
   reason to have it in those cases.
4. Some of the uses are working around hacks done to some Makefiles that are
   really building libraries but have been using bsd.prog.mk because the code
   is cleaner. Had they been using bsd.lib.mk then NO_PIE would not have
   been needed.

We likely do want to enable PIE by default (opt-out) for non-tree consumers
(such as ports). For in-tree though we probably want to only enable PIE
(opt-in) for common attack targets such as remote service daemons and setuid
utilities. This is also a great performance compromise since ASLR is expected
to reduce performance. As such it does not make sense to enable it in all
utilities such as ls(1) that have little benefit to having it enabled.

Reported by:	kib
2014-08-19 15:04:32 +00:00
Marcel Moolenaar
7fe0b4f160 Give loaders more control over the Forth initialization process. In
particular, allow loaders to define the name of the RC script the
interpreter needs to use. Use this new-found control to have the
PXE loader (when compiled with TFTP support and not NFS support)
read from ${bootfile}.4th, where ${bootfile} is the name of the
file fetched by the PXE firmware.

The normal startup process involves reading the following files:
1.  /boot/boot.4th
2.  /boot/loader.rc or alternatively /boot/boot.conf

When these come from a FreeBSD-defined file system, this is all
good. But when we boot over the network, subdirectories and fixed
file names are often painful to administrators and there's really
no way for them to change the behaviour of the loader.

Obtained from:	Juniper Networks, Inc.
2014-07-27 16:12:51 +00:00
Bryan Drewery
864c53ead8 In preparation for ASLR [1] support add WITH_PIE to support building with -fPIE.
This is currently an opt-in build flag. Once ASLR support is ready and stable
it should changed to opt-out and be enabled by default along with ASLR.

Each application Makefile uses opt-out to ensure that ASLR will be enabled by
default in new directories when the system is compiled with PIE/ASLR. [2]

Mark known build failures as NO_PIE for now.

The only known runtime failure was rtld.

[1] http://www.bsdcan.org/2014/schedule/events/452.en.html
Submitted by:		Shawn Webb <lattera@gmail.com>
Discussed between:	des@ and Shawn Webb [2]
2014-06-08 17:29:31 +00:00
Warner Losh
c6063d0da8 Use src.opts.mk in preference to bsd.own.mk except where we need stuff
from the latter.
2014-05-06 04:22:01 +00:00
Warner Losh
3bdf775801 NO_MAN= has been deprecated in favor of MAN= for some time, go ahead
and finish the job. ncurses is now the only Makefile in the tree that
uses it since it wasn't a simple mechanical change, and will be
addressed in a future commit.
2014-04-13 05:21:56 +00:00
Roger Pau Monné
aa389b4f8c howto_names: unify declaration
Approved by: gibbs
Sponsored by: Citrix Systems R&D

boot/i386/efi/bootinfo.c:
boot/i386/libi386/bootinfo.c:
boot/ia64/common/bootinfo.c:
boot/powerpc/ofw/metadata.c:
boot/powerpc/ps3/metadata.c:
boot/sparc64/loader/metadata.c:
boot/uboot/common/metadata.c:
boot/userboot/userboot/bootinfo.c:
i386/xen/xen_machdep.c:
 - Include sys/boot.h
 - Remove custom definition of howto_names.

sys/boot.h:
 - Define howto_names.

x86/xen/pv.c:
 - Include sys/boot.h
2014-03-11 10:13:06 +00:00
Dimitry Andric
d7c3b3b9de For now, clang spells -mcmodel=medlow as -mcmodel=small. 2014-02-21 21:51:19 +00:00
Marius Strobl
2fbad3a135 - The method introduced as part of r234898 for not altering the boot path
when booting from ZFS turned out to also cause the boot path not being
  adjusted if booting from CD-ROM with firmware versions that do not employ
  the "cdrom" alias in that case. So shuffle the code around instead in order
  to achieve the original intent. Ideally, we shouldn't fiddle with the boot
  path when booting from UFS on a disk either; unfortunately, there doesn't
  seem to be an universal way of telling disks and CD-ROMs apart, though. [1]
- Use NULL instead of 0 for pointers.

PR:		179289
MFC after:	1 week
2013-06-09 23:50:30 +00:00
Andriy Gapon
4afa5361cc zfs/sparc64 boot: fix booting after r242230
arch_zfs_probe method is supposed to only probe for ZFS vdevs, but it can
not expect that ZFS data is in a ready state yet.
So, move some code from sparc64_zfs_probe to main to meet the constraints.

Reported by:	Chris Ross <cross+freebsd@distal.com>
Tested by:	Chris Ross <cross+freebsd@distal.com>
MFC after:	4 days
2013-01-20 19:55:49 +00:00
Marius Strobl
c0c11f4c92 Restore pre-r234898 printing of boot loader and path.
MFC after:	3 days
2012-12-16 20:43:29 +00:00
Marius Strobl
c261e6bfe4 Fix build after r243245.
Submitted by:	trasz
2012-11-19 19:31:54 +00:00
Devin Teske
6674efd728 Hook in new files menusets.4th and manual.
Approved by:	adrian (co-mentor) (implicit)
2012-11-07 02:14:03 +00:00
Andrey V. Elsukov
915e341bac Slightly reduce an overhead for the open() call in the zfsloader.
libstand(3) tries to detect file system in the predefined order,
but zfsloader usually is used for the booting from ZFS, and there is
no need to try detect several file system types for each open() call.
2012-09-11 04:54:44 +00:00
Marius Strobl
614e309803 Pull the tier-2 card and change the sparc64 ZFS loader to no longer probe
all diskN aliases for providers (which more or less corresponds to how the
x86 version behaves) but instead probe only those listed in the boot-device
OFW environment variable. This has the following advantages:
- avoids otherwise unavoidable OFW warnings about failures to open disks
  for which aliases exist but no actual hardware is connected
- avoids issues due to different diskN naming schemes
- aligns us with Solaris

MFC after:	3 days
2012-07-27 18:23:11 +00:00
Marius Strobl
10ee2f9a87 The loaddev environment variable is not modifiable once set, so it is not
update for ZFS. It seems that this does not really affect anything except
the help command. Nevertheless, rearrange things so loaddev is set only
once in all cases in order to get it right.
Pointed out by: avg

MFC after:	r235364
2012-06-04 20:56:40 +00:00
Gleb Kurtsou
491a40587d Use 32-bit ufs_ino_t instead of ino_t to keep boot2 small and prevent
unnecessary 64-bit math on 32-bit machines.

Sponsored by:	Google Summer of Code 2011
2012-05-25 09:36:39 +00:00
Andriy Gapon
32df866434 sparc64/zfs boot: take advantage of new libzfsboot capabilities
Also drop the now unneeded compatibility shims.

Tested by:	marius
MFC after:	1 month
2012-05-12 20:27:33 +00:00
Andriy Gapon
1702e62f67 zfsboot/zfsloader: support accessing filesystems within a pool
In zfs loader zfs device name format now is "zfs:pool/fs",
fully qualified file path is "zfs:pool/fs:/path/to/file"
loader allows accessing files from various pools and filesystems as well
as changing currdev to a different pool/filesystem.

zfsboot accepts kernel/loader name in a format pool:fs:path/to/file or,
as before, pool:path/to/file; in the latter case a default filesystem
is used (pool root or bootfs).  zfsboot passes guids of the selected
pool and dataset to zfsloader to be used as its defaults.

zfs support should be architecture independent and is provided
in a separate library, but architectures wishing to use this zfs support
still have to provide some glue code and their devdesc should be
compatible with zfs_devdesc.
arch_zfs_probe method is used to discover all disk devices that may
be part of ZFS pool(s).

libi386 unconditionally includes zfs support, but some zfs-specific
functions are stubbed out as weak symbols.  The strong definitions
are provided in libzfsboot.
This change mean that the size of i386_devspec becomes larger
to match zfs_devspec.

Backward-compatibility shims are provided for recently added sparc64
zfs boot support.  Currently that architecture still works the old
way and does not support the new features.

TODO:
- clear up pool root filesystem vs pool bootfs filesystem distinction
- update sparc64 support
- set vfs.root.mountfrom based on currdev (for zfs)

Mid-future TODO:
- loader sub-menu for selecting alternative boot environment

Distant future TODO:
- support accessing snapshots, using a snapshot as readonly root

Reviewed by:	marius (sparc64),
		Gavin Mu <gavin.mu@gmail.com> (sparc64)
Tested by:	Florian Wagner <florian@wagner-flo.net> (x86),
		marius (sparc64)
No objections:	fs@, hackers@
MFC after:	1 month
2012-05-12 09:03:30 +00:00
Marius Strobl
e4b3eb5fe3 Use a non-tricky approach for building and installing zfsboot sharing
the Makefile with boot1.

Submitted by:	ru
2012-05-09 19:08:54 +00:00
Andriy Gapon
5ef10e566c sys/boot: add common CTASSERT definition 2012-05-09 07:55:42 +00:00
Marius Strobl
2d75b8321f Add initial support for booting from ZFS on sparc64. At least on Sun Fire
V100, the firmware is known to be broken and not allowing to simultaneously
open disk devices, causing attempts to boot from a mirror or RAIDZ to cause
a crash. This will be worked around later. The firmwares of newer sun4u models
don't seem to exhibit this problem though.

Steps for ZFS booting:

1. create VTOC8 label
# gpart create -s vtoc8 da0

2. add partitions, f.e.:
# gpart add -t freebsd-zfs -s 60g da0
# gpart add -t freebsd-swap da0
resulting in something like:
# gpart show
=>        0  143331930  da0  VTOC8  (68G)
          0  125821080    1  freebsd-zfs  (60G)
  125821080   17510850    2  freebsd-swap  (8.4G)

3. create zpool
# zpool create bunker da0a
or for mirror/RAIDZ (after preparing additional disks as in steps 1. + 2.):
# zpool create bunker mirror da0a da1a
# zpool create bunker raidz da0a da1a da2a ...

4. set bootfs
# zpool set bootfs=bunker bunker

5. install zfsboot
# zpool export bunker
# gpart bootcode -p /boot/zfsboot da0

6. write zfsloader to the ZFS Boot Block (so far, there's no dedicated tool
for this, so dd(1) has to be used for this purpose)
When using mirror/RAIDZ, step 4. and the dd(1) invocation should be repeated
for the additional disks in order to be able to boot from another disk in
case of failure.
# sysctl kern.geom.debugflags=0x10
# dd if=/boot/zfsloader of=/dev/da0a bs=512 oseek=1024 conv=notrunc
# zpool import bunker

7. install system on ZFS filesystem
Don't forget to set 'zfs_load="YES"' and vfs.root.mountfrom="zfs:bunker" in
loader.conf as well as 'zfs_enable="YES"'in rc.conf.

8. copy zpool.cache to the ZFS filesystem
cp -p /boot/zfs/zpool.cache /bunker/boot/zfs/zpool.cache

9. set mountpoint
# zfs set mountpoint=/ bunker

10. Now, given that aliases for all disks in the zpool exists (check with
the `devalias` command on the boot monitor prompt) and disk0 corresponds
to da0 (likewise for additional disks), the system can be booted from the
ZFS with:
{1} ok boot disk0

PR:             165025
Submitted by:   Gavin Mu
2012-05-01 17:16:01 +00:00
Marius Strobl
e2a35695f8 Add a command for showing the heap usage.
PR:		165025
Submitted by:	Gavin Mu
MFC after:	1 week
2012-05-01 16:38:33 +00:00
Marius Strobl
4a35efc720 - For Cheetah- and Zeus-class CPUs don't flush all unlocked entries from
the TLBs in order to get rid of the user mappings but instead traverse
  them an flush only the latter like we also do for the Spitfire-class.
  Also flushing the unlocked kernel entries can cause instant faults which
  when called from within cpu_switch() are handled with the scheduler lock
  held which in turn can cause timeouts on the acquisition of the lock by
  other CPUs. This was easily seen with a 16-core V890 but occasionally
  also happened with 2-way machines.
  While at it, move the SPARC64-V support code entirely to zeus.c. This
  causes a little bit of duplication but is less confusing than partially
  using Cheetah-class bits for these.
- For SPARC64-V ensure that 4-Mbyte page entries are stored in the 1024-
  entry, 2-way set associative TLB.
- In {d,i}tlb_get_data_sun4u() turn off the interrupts in order to ensure
  that ASI_{D,I}TLB_DATA_ACCESS_REG actually are read twice back-to-back.

Tested by:      Peter Jeremy (16-core US-IV), Michael Moll (2-way SPARC64-V)
2011-07-02 11:14:54 +00:00
Julian Elischer
9d4a4b2a03 Include forgotten framework changes to get some of the new menu files installed correctly on non x86/amd systems.
pointy-hut to  devin
2011-05-30 04:23:33 +00:00
Julian Elischer
802e09ac9e New boot loader menus from Devin Teske.
Discussed on hackers and recommended for inclusion into 9.0 at the devsummit.
All support email to devin   dteske at vicor dot ignoreme dot com .

Submitted by:	dteske at vicor dot ignoreme dot com
Reviewed by:	me and many others
2011-05-28 08:50:38 +00:00
Attilio Rao
4b547324c0 Disconnect sun4v architecture from the three.
Some files keep the SUN4V tags as a code reference, for the future,
if any rewamped sun4v support wants to be added again.

Reviewed by:	marius
Tested by:	sbruno
Approved by:	re
2011-05-14 01:53:38 +00:00
Marcel Moolenaar
429d5c051f Revert rev 165325. The arch_maphint interface hasn't been in use for
more than 4 years.
2011-04-03 05:09:25 +00:00
Marius Strobl
340e331450 Partially revert r203829; as it turns out what the PowerPC OFW loader did
was incorrect as further down the road cons_probe() calls malloc() so the
former can't be called before init_heap() has succeed. Instead just exit
to the firmware in case init_heap() fails like OF_init() does when hitting
a problem as we're then likely running in a very broken environment where
hardly anything can be trusted to work.
2010-10-29 20:42:02 +00:00
Marius Strobl
fe198baaa6 Merge from powerpc:
- Change putc_func_t to use a char instead of an int for the character.
- Make functions and variables not used outside of this source file static.
- Remove unused prototypes and variables.
- The OFW read and seek methods take 3 and not 4 input arguments.
2010-09-16 12:05:00 +00:00
Ed Schouten
d05becf2b6 Use -Wl,-N instead of the undocumented -N option for GCC.
GCC forwards the -N flag directly to ld. This flag is not documented and
not supported by (for example) Clang. Just use -Wl,-N.

Submitted by:	Pawel Worach
2010-06-03 17:42:32 +00:00
Marius Strobl
5a8336816e Add support for SPARC64 V (and where it already makes sense for other
HAL/Fujitsu) CPUs. For the most part this consists of fleshing out the
MMU and cache handling, it doesn't add pmap optimizations possible with
these CPU, yet, though.
With these changes FreeBSD runs stable on Fujitsu Siemens PRIMEPOWER 250
and likely also other models based on SPARC64 V like 450, 650 and 850.
Thanks go to Michael Moll for providing access to a PRIMEPOWER 250.
2010-05-02 19:38:17 +00:00
Marius Strobl
9b824f84d5 Some machines can not only consist of CPUs running at different speeds
but also of different types, f.e. Sun Fire V890 can be equipped with a
mix of UltraSPARC IV and IV+ CPUs, requiring different MMU initialization
and different workarounds for model specific errata. Therefore move the
CPU implementation number from a global variable to the per-CPU data.
Functions which are called before the latter is available are passed the
implementation number as a parameter now.
2010-02-20 23:24:19 +00:00
Marius Strobl
8c56bcac75 Correct the panic strings introduced in r203830 to match their arguments. 2010-02-13 15:12:46 +00:00
Marius Strobl
606e071c41 Use the SUNW,{d,i}tlb-load methods for entering locked TLB entries like
OpenBSD and OpenSolaris do instead of fiddling with the MMUs ourselves.
Unlike direct access the firmware methods don't automatically use the
next free (?) TLB slot, instead the slot to be used has to be specified.
We allocate the TLB slots for the kernel top-down as OpenSolaris suggests
that the firmware will always allocate the ones for its own use bottom-up.
Besides being simpler, according to OpenBSD using the firmware methods is
required to allow booting on Sun Fire E10K with multi-systemboard domains.
2010-02-13 14:40:42 +00:00
Marius Strobl
4f607e8ef2 - Assert that HEAPSZ is a multiple of PAGE_SIZE as at least the firmware
of Sun Fire V1280 doesn't round up the size itself but instead lets
  claiming of non page-sized amounts of memory fail.
- Change parameters and variables related to the TLB slots to unsigned
  which is more appropriate.
- Search the whole OFW device tree instead of only the children of the
  root nexus device for the BSP as starting with UltraSPARC IV the 'cpu'
  nodes hang off of from 'cmp' (chip multi-threading processor) or 'core'
  or combinations thereof. Also in large UltraSPARC III based machines
  the 'cpu' nodes hang off of 'ssm' (scalable shared memory) nodes which
  group snooping-coherency domains together instead of directly from the
  nexus.
- Add support for UltraSPARC IV and IV+ BSPs. Due to the fact that these
  are multi-core each CPU has two Fireplane config registers and thus the
  module/target ID has to be determined differently so the one specific
  to a certain core is used. Similarly, starting with UltraSPARC IV the
  individual cores use a different property in the OFW device tree to
  indicate the CPU/core ID as it no longer is in coincidence with the
  shared slot/socket ID.
  While at it additionally distinguish between CPUs with Fireplane and
  JBus interconnects as these also use slightly different sizes for the
  JBus/agent/module/target IDs.
- Check the return value of init_heap(). This requires moving it after
  cons_probe() so we can panic when appropriate. This should be fine as
  the PowerPC OFW loader uses that order for quite some time now.
2010-02-13 14:13:39 +00:00
Marius Strobl
ccb1921ee0 - Add code allowing a network device to only be open and closed once
by keeping it opened after the first open and closing it via the
  cleanup handler when NETIF_OPEN_CLOSE_ONCE is defined in order to
  avoid the open-close-dance on every file access which with firmware
  that for example performs an auto-negotiation on every open causes
  netbooting to take horribly long. Basically the behavior with this
  knob enabled resembles the one employed between r60506 and r177108
  (and for sparc64 also again since r182919) with the addition that
  the network device now is closed eventually before entering the
  kernel and before rebooting. Actually I think this should be the
  desired MI behavior, however the U-Boot loader actually requires
  net_close() to be called after every transaction in order for some
  local shutdown operations to be performed (and which I think thus
  will break on concurrent opens, i.e. when netdev_opens is > 1, like
  the loader does at least for disks when LOADER_GZIP_SUPPORT is
  enabled).
- Use NETIF_OPEN_CLOSE_ONCE to replace the hack, which artificially
  increased netdev_opens for sparc64 in order to keep the network
  device opened forever, as at least some firmware versions require
  the network device to be closed eventually before entering the
  kernel or otherwise will DMA received packets to stale memory.
  The powerpc OFW loader probably wants NETIF_OPEN_CLOSE_ONCE to be
  set as well for the same reasons.
2010-01-09 21:23:39 +00:00
Marius Strobl
005ad6daf8 Execute the cleanup handlers before jumping to the kernel just
like the other architectures do.
2009-12-24 15:23:51 +00:00