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2017-11-04Since rev 1.502 of rc(8) it creates a /bsd.booted hard link. At theFlorian Obser
end of rc we call reorder_kernel which creates a /obsd hard link to the same kernel. In the past obsd was only created when doing a manual make install in the kernel sources. There is no need for two backup hard links during boot, rearange the kernel Makefiles to restore previous behaviour and thus stopping reorder_kernel from scribbling over /obsd. Makes muscle memory of some kernel developers work again: /obsd can serve as a known good kernel; and there was much rejoycing... Discussed at length with benno, rpe, phessler and tb at p2k17. Seems like a good idea to deraadt. OK benno, phessler, rpe, tb
2017-09-28When option DDB_STRUCTINFO was removed from the kernel, too much fromPatrick Wildt
the kernel makefiles was removed which lead to C files not being re- compiled when a dependency changed. This can lead to panics in odd places and generally a broken system. ok deraadt@
2017-09-12Remove option DDB_STRUCTINFO. Now that ddb(4) is CTF aware, similarMartin Pieuchot
functionnalities are available in GENERIC. ok jasper@, deraadt@, guenther@, dlg@
2017-09-08If you use sys/param.h, you don't need sys/types.hTheo de Raadt
2017-08-28swap ualea for urngJasper Lievisse Adriaanse
2017-08-12Use ctfstrip(1) by default to strip kernels.Martin Pieuchot
ok deraadt@, jasper@
2017-08-12Add a dummy (for now) <machine/reloc.h> for mips64 to fix build.Visa Hankala
OK guenther@
2017-07-30Define MAXCPUS per mips64 port.Visa Hankala
2017-07-19Fix memory leak in iec_get(). If MCLGET fails free the mbuf as well.Claudio Jeker
Found by Ilja Van Sprundel OK bluhm@ deraadt@
2017-07-18Stop automatically regenerating gap.o (and hence linking a new kernel)Theo Buehler
whenever make is issued. Only do this when there are actual source changes below /sys. This restores the behavior prior to the KARL implementation. Problem noticed and patiently explained by mpi implementation with a lot of help from espie ok mpi, espie, deraadt
2017-07-16Pass the linker from make environment to makegap.sh. This is (only)Visa Hankala
a partial solution to cross compiling the kernel with KARL. OK deraadt@ a while ago
2017-06-29put SYSTEM_SWAP_DEP out of its misery, it died in 1997, along with config.oldMarc Espie
"go for it" deraadt@
2017-06-25dull dependency for copying makegap.sh to obj, so that installsTheo de Raadt
without src and comp work. That is what we've designed for, but since we always have src and comp on our systems it is so easy to slide... problem first noted by rpe.
2017-06-22Generate a gap.link script, and use that to generate gap.o. On multi-ABITheo de Raadt
architectures we must also link against a gapdummy.o to repair the ABI of the resulting .o file. Woe is me. Also repair install: target to update the linkkit & hash when a kernel is installed. ok rpe tb mlarkin and tested by others also
2017-06-13newbsd: target which re-links a kernel. We cannot use the bsd: targetTheo de Raadt
since it has source dependencies, and relinking doesn't have any. Also the bsd: target is created by config(8)... worked on with rpe.
2017-06-11make vers.o not depend on gap.o using a trick, because it is piece ofTheo de Raadt
fiction participating only in the linkphase. tricks from rpe and espie
2017-06-11Use umask 077 instead of cp -p when installing the kernel as root.Alexander Bluhm
Otherwise owner of /bsd could be the build user with permissions inherited from the compile directory. OK deraadt@ tb@
2017-06-11Define register_splx_handler() in one place.Visa Hankala
2017-06-08Move loongson/octeon/sgi unmap_startup() under arch/mips64.Visa Hankala
2017-06-08Split early startup code out of locore.S into locore0.S. Adjust linkVisa Hankala
run so that this locore0.o is always at the start of the executable. But randomize the link order of all other .o files in the kernel, so that their exec/rodata/data/bss segments land all over the place. Late during kernel boot, smash the startup code with traps so that it does not point to the other randomly placed code. It has be smashed, because sgi runs in the kseg0 or xkphys space. As a result, the internal layout of every newly build bsd kernel is different from past kernels. Internal relative offsets are not known to an outside attacker. Ramdisk kernels cannot be compiled like this, because they are gzip'd. When the internal pointer references change, the compression dictionary bloats and results in poorer compression.
2017-06-05The arm* architectures edit the ld.script, creating a copy in the compileTheo de Raadt
directories. Copy it in the same way on other architectures, for the same effect. Something upcoming will want that file there anyways.
2017-06-03Create gap.S and gap.o with umask 077. Create lorder and bsd* with umask 007.Theo de Raadt
Prying eyes cannot look at the kernels in the compile directory. ok tb rpe, kernel developers seem unimpacted
2017-05-11The device_to_pa routine really isn't needed. We always have physicalVisa Hankala
addresses. While there, pave the way for BUS_DMA_64BIT (not working yet). Diff from miod@; OK dlg@
2017-05-08add a BUS_DMA_64BIT flag to bus_dma on all our archs.David Gwynne
this is so drivers can advertise that they can handle 64 dma addresses to the platform. it may choose to handle dmamaps differently based on this flag. tweaks and ok tom@ ok kettenis@
2017-04-30Rename Debugger() into db_enter().Martin Pieuchot
Using a name with the 'db_' prefix makes it invisible from the dynamic profiler. ok deraadt@, kettenis@, visa@
2017-04-30Unifdef KGDB.Martin Pieuchot
It doesn't compile und hasn't been working during the last decade. ok kettenis@, deraadt@
2017-04-02printf format strings should be literals. Reminded by clang.Visa Hankala
2017-03-18Build mips64 kernels with -ffreestanding.Visa Hankala
OK kettenis@
2017-03-15Fix building profiling kernels by passing the -p flag to config(8)Theo Buehler
if the kernel's name ends in .PROF. problem reported by jmc via mpi ok mpi
2017-03-08Fix logic in the driver preventing it to receive broadcast framesMartin Pieuchot
before configuring an address. Make dhclient(8) work on sq(4). Problem reported by Frank Scheiner, diff from miod@
2017-02-28Switch geteblks()'s size argument from int to size_t. It's called withMartin Natano
unsigned variables as argument in most places anyway. Decrease the chance of signedness/range mismatch issues. ok stefan
2017-02-11Always leave one free slot in the Tx ring to avoid ambiguity with ringVisa Hankala
head and tail in the interrupt handler. This fixes an old bug that causes a Tx stall when Tx ring gets full.
2017-02-11Simplify ifq_deq_{begin,rollback,commit} sequence to ifq_dequeue.Visa Hankala
2017-02-11Let MP-safe interrupt handlers run without the kernel lock on sgi.Visa Hankala
OK miod@
2017-02-10Unbreak 'config -p'.Martin Pieuchot
ok tb@, jca@
2017-01-22move counting if_opackets next to counting if_obytes in if_enqueue.David Gwynne
this means packets are consistently counted in one place, unlike the many and various ways that drivers thought they should do it. ok mpi@ deraadt@
2017-01-22Introduce the KEEPKERNELS variable: if this is set either in mk.conf orTheo Buehler
the environment, 'make cleandir' does not descend into kernel build directories. Thus, kernel object files survive 'make build' on slower architectures. WARNING: If you set this variable, you run the risk of breaking 'make release': Be sure to run 'make cleandir' from /sys/arch/$(machine)/compile before doing 'make release'. This issue will be addressed shortly. requested by kettenis; ok deraadt
2017-01-15Harmonize the way frame buffer drivers display resolution and colorFrederic Cambus
depth when attaching. OK visa@, deraadt@
2017-01-06Ansify cpu_sysctl() on mips64 platforms.Frederic Cambus
OK patrick@, visa@, jasper@, mpi@
2016-11-29m_free() and m_freem() test for NULL. Simplify callers which had their ownJonathan Gray
NULL tests. ok mpi@
2016-11-29Build kernel with DEBUG=-g by default.Martin Pieuchot
This will allow us to extract type informations from DWARF2 sections. It also makes developer life easier as debug information are now included in every object. Resulting kernels will be stripped using strip(1) instead of ld(1). Kernel build time increases by approximately 10%. However it is still possible to disable this by defining DEBUG="". ok kettenis@, bluhm@, natano@, jasper@, reyk@, deraadt@
2016-11-15Clean up the kernel Makefile's:Martin Natano
- Remove the 'lint' target. lint has been removed with OpenBSD 5.2. - Remove the 'tags' target. It does nothing of value. - Replace 'clean::' with 'clean:', as requested by espie and millert, and remove files from the 'clean' target, that are never generated. - Don't create a file called 'depend' in 'make depend', but just do nothing instead. ok mpi tb
2016-11-06Do not create machine@ symlinks in obj as root during includes:, butTheo Buehler
defer their creation to later, so that they are owned by BUILDUSER. This eliminates the last root-owned files in obj/ from 'make build'. In addition, place a MACHINE == hppa test in hppa/stand/Makefile.inc to avoid creating bogus symlinks on all other archs. joint work with & ok natano, "let's try it" deraadt
2016-11-05Two tweaks for compile/Makefile.inc:Martin Natano
1) Replace '.elif !exists(${OBJDIR}/Makefile)' with just '.else'. espie pointed out, that if the file existed, make wouldn't be reading this file, so the check is superflous. Less clutter. 2) Unconditionally define the 'clean' and 'cleandir' targets, also when obj doesn't exist. This changes the behaviour of 'make clean' to be successful (doing nothing) without obj@ or obj/. ok tb millert deraadt
2016-10-27We don't generate an eddep script for kernel builds nowadays. The lastMartin Natano
reference to eddep in the kernel Makefile I could find is in 4.3BSD, released some 30 years ago. ok tb millert
2016-10-27Revert previous `ncpus' change because the percpu code now worksVisa Hankala
without it.
2016-10-26Increment `ncpus' to its final value already during autoconfiguration soVisa Hankala
that percpu data areas get allocated properly on mips64 platforms. It is too late to set the value during launch of secondary CPUs. ok jasper@ kettenis@ dlg@
2016-10-24make cleandir should skip the version file; ok otto millertTheo de Raadt
2016-10-15cleandir: target for kernel compile directoriesTheo de Raadt
ok natano
2016-10-14Kernel builds now happen in compile/CONFIG/obj@ -> /usr/obj/... [or ./obj/,Theo de Raadt
if srctree is not rooted at /usr/src]. As a result, stock GENERIC & RAMDISK kernels are commited to the tree, to ensure the src tree can be "readonly" during builds, with all writes occuring inside the obj space. config -b options are handled by ../Makefile.inc. The canonical new way to configure one of these kernels is: % cd /sys/arch/amd64/compile/GENERIC.MP % doas make obj % make config % make % doas cp obj/bsd /bsd The build infrastructure will use this new mechanism in a de-escalation way using BUILDUSER. Much help from natano and tb.
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