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2018-07-10Move from sendsig() to its callers the initsiginfo() calls andPhilip Guenther
instead of passing sendsig() the code+type+val, pass a siginfo_t* to copy from. Eliminate the indirection through struct emul for sendsig(); we no longer have a SunOS4-compat version of sendsig() ok deraadt@
2018-04-12Implement MAP_STACK option for mmap(). Synchronous faults (pagefault andTheo de Raadt
syscall) confirm the stack register points at MAP_STACK memory, otherwise SIGSEGV is delivered. sigaltstack() and pthread_attr_setstack() are modified to create a MAP_STACK sub-region which satisfies alignment requirements. Observe that MAP_STACK can only be set/cleared by mmap(), which zeroes the contents of the region -- there is no mprotect() equivalent operation, so there is no MAP_STACK-adding gadget. This opportunistic software-emulation of a stack protection bit makes stack-pivot operations during ROPchain fragile (kind of like removing a tool from the toolbox). original discussion with tedu, uvm work by stefan, testing by mortimer ok kettenis
2018-02-28move to 6.3-betaTheo de Raadt
2018-02-19Remove almost unused `flags' argument of suser().Martin Pieuchot
The account flag `ASU' will no longer be set but that makes suser() mpsafe since it no longer mess with a per-process field. No objection from millert@, ok tedu@, bluhm@
2018-02-14prune files.* entries that refer to files not in treeJonathan Gray
ok krw@ mpi@
2018-02-09Check for the existence of /bsd before trying to back it up to /obsd.Theo Buehler
Fixes 'make install' when /bsd is not present for some reason. ok rob florian, "fine with me" deraadt
2018-01-27Sync the nam2blk entries with the bdevsw table, which is theChristian Weisgerber
definitive list of block devices supported on an architecture. ok kettenis@ deraadt@
2018-01-22<machine/mutex.h> -> <sys/mutex.h>Martin Pieuchot
2018-01-22Always grab the KERNEL_LOCK() for !IPL_MPSAFE handlers.Martin Pieuchot
Suggested by kettenis@, ok visa@
2017-12-30Delete unnecessary <sys/file.h> includesPhilip Guenther
ok millert@ krw@
2017-12-14fcntl(F_SETFL) invokes the FIONBIO and FIOASYNC ioctls internally, soPhilip Guenther
the memory devices (/dev/null, /dev/zero, etc) need to permit them. problem noted, tweak, and testing by jeremy@ ok deraadt@
2017-12-11In uvm Chuck decided backing store would not be allocated proactivelyTheo de Raadt
for blocks re-fetchable from the filesystem. However at reboot time, filesystems are unmounted, and since processes lack backing store they are killed. Since the scheduler is still running, in some cases init is killed... which drops us to ddb [noted by bluhm]. Solution is to convert filesystems to read-only [proposed by kettenis]. The tale follows: sys_reboot() should pass proc * to MD boot() to vfs_shutdown() which completes current IO with vfs_busy VB_WRITE|VB_WAIT, then calls VFS_MOUNT() with MNT_UPDATE | MNT_RDONLY, soon teaching us that *fs_mount() calls a copyin() late... so store the sizes in vfsconflist[] and move the copyin() to sys_mount()... and notice nfs_mount copyin() is size-variant, so kill legacy struct nfs_args3. Next we learn ffs_mount()'s MNT_UPDATE code is sharp and rusty especially wrt softdep, so fix some bugs adn add ~MNT_SOFTDEP to the downgrade. Some vnodes need a little more help, so tie them to &dead_vnops. ffs_mount calling DIOCCACHESYNC is causing a bit of grief still but this issue is seperate and will be dealt with in time. couple hundred reboots by bluhm and myself, advice from guenther and others at the hut
2017-11-27Enable ne(4) at pcmcia.Martin Pieuchot
Tested by & diff from Donovan Watteau.
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
2017-10-23remove mention of unused MACOBIOVERBOSE and NBUF optionsJonathan Gray
2017-10-11input files should not be .o; from Scott ChelohaTheo de Raadt
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
2017-08-20crank to 6.2-betaTheo de Raadt
2017-08-12Use ctfstrip(1) by default to strip kernels.Martin Pieuchot
ok deraadt@, jasper@
2017-07-22Initialize the brightness to a valid value if found.anton
ok 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@
2017-06-27the illegal instruction is 0x00000000Theo de Raadt
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
2017-06-22Fix the remaining ';;'s in sys/Tom Cosgrove
2017-06-13Split early startup code out of locore.S into locore0.S. Adjust linkTheo de Raadt
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. 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. The only known offsets are in the startup code (which will be gone when it is smashed). The bootstrap code unmapping or smashing isn't done yet, and there is some potential for more bits from locore.S to move to locore0.S
2017-06-13add a dummy ld.script. macppc does not use one of these yet, butTheo de Raadt
infrastructure that is coming requires an architecture to carry such a file.
2017-06-13Prepare install_extint() for the vector being relative-negative (ieTheo de Raadt
lower in the address space). Previously it could only be higher than... uhm locore.o Discussed with drahn and tom
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@
2017-06-03Create 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
2017-05-08add 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@
2017-03-15Fix 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
2017-03-08Do not clear IFF_UP, even in the error path, clearing IFF_RUNNINGMartin Pieuchot
is enough. This flag should only be set by the stack, drivers shouldn't mess with it. Discussed with dlg@ and mikeb@, ok mikeb@, stsp@
2017-03-04crank to 6.1-betaTheo de Raadt
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
2017-02-10Unbreak '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
2016-12-26Fix typo, happend -> happenedJeremie Courreges-Anglas
2016-12-05Harmonize battery state thresholds accross platforms.Frederic Cambus
Use the same values hardcoded in sys/dev/acpi/acpi.c where possible. OK visa@
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
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