Subversion Repositories HelenOS

Rev

Go to most recent revision | Hide changed files | Details | Compare with Previous | Blame | RSS feed

Filtering Options

Rev Age Author Path Log message Diff Changes
2252 6327 d 1 h jermar /trunk/kernel/arch/sparc64/src/mm/ Move one MEMBAR instruction from a delay slot,
which is, due to SF Erratum #51, a potentionally
dangerous place for a MEMBAR to be.
 
/trunk/kernel/arch/sparc64/src/mm/cache.S
2250 6327 d 1 h jermar /trunk/boot/ Fix ticket #31.  
/trunk/boot/arch/sparc64/loader/main.c
/trunk/boot/genarch/balloc.c
/trunk/boot/genarch/balloc.h
/trunk/boot/genarch/ofw.c
/trunk/boot/genarch/ofw.h
2237 6331 d 1 h jermar /trunk/boot/arch/sparc64/silo/ Upgrade SILO to 1.4.13.  
/trunk/boot/arch/sparc64/silo/silo.tar.gz
2233 6333 d 1 h decky /trunk/kernel/arch/ use the hlt instruction more properly  
/trunk/kernel/arch/amd64/include/asm.h
/trunk/kernel/arch/amd64/src/pm.c
/trunk/kernel/arch/ia32/include/asm.h
/trunk/kernel/arch/ia32/src/pm.c
2232 6333 d 2 h decky /trunk/kernel/arch/mips32/src/ add support for halt/reboot in MSIM  
/trunk/kernel/arch/mips32/src/mips32.c
2231 6333 d 6 h jermar /trunk/kernel/arch/sparc64/ Fix a nasty bug in the TLB miss handlers on sparc64.
After we no longer lock the kernel stack in the DTLB,
there is a real danger of nested DTLB misses. The nested
miss can very easily clobber the DTLB Tag Access register.
Therefore, the original miss may not read this register, but
it has to receive its value as an argument. The argument
value is saved in the trap table when it is guaranteed that
the nested TLB miss will not occur.
 
/trunk/kernel/arch/sparc64/include/mm/tlb.h
/trunk/kernel/arch/sparc64/include/trap/mmu.h
/trunk/kernel/arch/sparc64/src/mm/tlb.c
2230 6333 d 6 h jermar /trunk/uspace/ Remove printf() serialization from thread1 test in tester.
The agreement among developers seems to be that:
- there _must_ be a futex to serialize access to printf()
- there _must_ be pseudo thread serialization in printf()
- the best place for this is vprintf(), the one that goes to console
 
/trunk/uspace/libc/generic/io/printf_core.c
/trunk/uspace/libc/generic/io/vprintf.c
/trunk/uspace/tester/thread/thread1.c
2229 6333 d 8 h jermar /trunk/ Revert some of the changes introduced in revision 2209.
I think it is not correct to remove serialization of pseudo threads in printf_core.c.
With thread-level futex serialization, several pseudo threads running in one thread could easily deadlock
the task.

Add a dedicated futex serialization to thread1.c test only.
 
/trunk/kernel/generic/src/proc/thread.c
/trunk/uspace/libc/arch/sparc64/src/thread_entry.s
/trunk/uspace/libc/generic/io/printf_core.c
/trunk/uspace/libc/generic/io/vprintf.c
/trunk/uspace/tester/fault/fault1.c
/trunk/uspace/tester/fault/fault2.c
/trunk/uspace/tester/thread/thread1.c
2228 6333 d 9 h jermar /trunk/kernel/arch/sparc64/src/ Fix ticket #28.
In switch_to_userspace(), the uarg argument is in %i2, not in %i3.
 
/trunk/kernel/arch/sparc64/src/asm.S
2227 6333 d 16 h decky /trunk/kernel/ start shutdown infrastructure  
/trunk/kernel/generic/src/main/shutdown.c
/trunk/kernel/Makefile
/trunk/kernel/arch/amd64/src/pm.c
/trunk/kernel/arch/arm32/src/arm32.c
/trunk/kernel/arch/ia32/src/pm.c
/trunk/kernel/arch/ia32xen/src/ia32xen.c
/trunk/kernel/arch/ia64/src/ia64.c
/trunk/kernel/arch/mips32/src/mips32.c
/trunk/kernel/arch/ppc32/src/drivers/cuda.c
/trunk/kernel/arch/ppc64/src/ppc64.c
/trunk/kernel/arch/sparc64/src/sparc64.c
/trunk/kernel/generic/include/arch.h
/trunk/kernel/generic/include/proc/task.h
/trunk/kernel/generic/src/console/cmd.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/kernel.config
2226 6333 d 16 h decky /trunk/contrib/conf/ MIPS boot image has grown  
/trunk/contrib/conf/msim.conf
2225 6333 d 16 h decky /trunk/kernel/arch/mips32/ the bss and common sections have to be in .data output section to be properly generated in the binary image
(this might break IRIX, but it is already unmaintaned)
 
/trunk/kernel/arch/mips32/_link.ld.in
2224 6333 d 23 h decky /trunk/kernel/generic/src/console/ detach joined thread  
/trunk/kernel/generic/src/console/cmd.c
2223 6333 d 23 h decky /trunk/kernel/generic/src/ add mcall0 command (calling a function on each CPU)  
/trunk/kernel/generic/src/console/cmd.c
/trunk/kernel/generic/src/main/kinit.c
2222 6334 d 1 h decky /trunk/kernel/ map kernel pages explicitly as writable (this solves compatibility issues with Intel Core 2)
make VESA framebuffer initialization more robust
 
/trunk/kernel/arch/amd64/src/boot/boot.S
/trunk/kernel/arch/amd64/src/mm/page.c
/trunk/kernel/arch/ia32/src/boot/boot.S
/trunk/kernel/arch/ia32/src/mm/page.c
/trunk/kernel/arch/ia32/src/smp/smp.c
/trunk/kernel/arch/ia32xen/src/smp/smp.c
/trunk/kernel/arch/ppc32/src/mm/page.c
/trunk/kernel/arch/ppc64/src/mm/page.c
/trunk/kernel/genarch/src/acpi/acpi.c
/trunk/kernel/generic/src/mm/page.c
2221 6334 d 3 h decky /trunk/kernel/arch/ia32/src/boot/ fix typo in comment  
/trunk/kernel/arch/ia32/src/boot/boot.S
2220 6334 d 3 h decky /trunk/kernel/arch/ia32/src/boot/ check for PSE support, add error message on PSE not present
make initial mapping explicitly writeable, turn PAE explicitly off (just in case)
 
/trunk/kernel/arch/ia32/src/boot/boot.S
2219 6334 d 4 h decky /trunk/kernel/arch/amd64/src/boot/ add error message on no long mode support  
/trunk/kernel/arch/amd64/src/boot/boot.S
2218 6334 d 23 h decky /trunk/kernel/ support the possibility to send EOI or Interrupt Acknowledgement
prior to processing the interrupt
(this is essential on some architectures to prevent preemption deadlock)
 
/trunk/kernel/arch/amd64/src/interrupt.c
/trunk/kernel/arch/ia32/src/drivers/i8254.c
/trunk/kernel/arch/ia32/src/interrupt.c
/trunk/kernel/arch/ia32/src/smp/apic.c
/trunk/kernel/arch/ia32xen/src/interrupt.c
/trunk/kernel/arch/ppc32/src/interrupt.c
/trunk/kernel/arch/ppc64/src/interrupt.c
/trunk/kernel/generic/include/ddi/irq.h
/trunk/kernel/generic/src/ddi/irq.c
2217 6335 d 0 h jermar /trunk/kernel/arch/ia32/src/smp/ On SMP amd64 and ia32 systems, release the irq->lock
before calling clock() from the interrupt handler.
This is important for maintaining kernel preemption
since no preemption can take place while a spinlock
is held.
 
/trunk/kernel/arch/ia32/src/smp/apic.c
2216 6335 d 2 h decky /trunk/ make thread ID 64 bit (task ID is 64 bit already)
cleanup thread syscalls
 
/trunk/kernel/arch/amd64/include/types.h
/trunk/kernel/arch/arm32/include/types.h
/trunk/kernel/arch/ia32/include/types.h
/trunk/kernel/arch/ia32xen/include/types.h
/trunk/kernel/arch/ia64/include/types.h
/trunk/kernel/arch/mips32/include/types.h
/trunk/kernel/arch/ppc32/include/types.h
/trunk/kernel/arch/ppc64/include/types.h
/trunk/kernel/arch/sparc64/include/types.h
/trunk/kernel/generic/include/interrupt.h
/trunk/kernel/generic/include/proc/task.h
/trunk/kernel/generic/include/proc/thread.h
/trunk/kernel/generic/src/adt/btree.c
/trunk/kernel/generic/src/console/cmd.c
/trunk/kernel/generic/src/ipc/ipc.c
/trunk/kernel/generic/src/proc/scheduler.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/proc/thread.c
/trunk/kernel/generic/src/syscall/syscall.c
/trunk/kernel/test/fpu/fpu1.c
/trunk/kernel/test/fpu/mips2.c
/trunk/kernel/test/fpu/sse1.c
/trunk/kernel/test/mm/falloc2.c
/trunk/kernel/test/mm/slab1.c
/trunk/kernel/test/mm/slab2.c
/trunk/kernel/test/synch/rwlock3.c
/trunk/kernel/test/synch/rwlock4.c
/trunk/kernel/test/synch/semaphore2.c
/trunk/kernel/test/thread/thread1.c
/trunk/uspace/libc/generic/thread.c
/trunk/uspace/libc/include/thread.h
/trunk/uspace/tester/thread/thread1.c
2211 6335 d 4 h decky /trunk/kernel/generic/src/synch/ reflect the renaming of printflock to printf_lock  
/trunk/kernel/generic/src/synch/spinlock.c
2210 6335 d 4 h decky /trunk/ use more useful values  
/trunk/kernel/test/thread/thread1.c
/trunk/uspace/tester/thread/thread1.c
2209 6335 d 4 h decky /trunk/uspace/ use futex instead of pthread serialization
synchronize only output to stdout
cleanup
 
/trunk/uspace/kbd/generic/key_buffer.c
/trunk/uspace/libc/generic/io/io.c
/trunk/uspace/libc/generic/io/printf.c
/trunk/uspace/libc/generic/io/printf_core.c
/trunk/uspace/libc/generic/io/vprintf.c
/trunk/uspace/libc/generic/io/vsnprintf.c
/trunk/uspace/libc/generic/io/vsprintf.c
/trunk/uspace/libc/include/async.h
2208 6335 d 4 h decky /trunk/kernel/generic/ use spinlock only on console output, not other print functions
cleanup
 
/trunk/kernel/generic/include/print.h
/trunk/kernel/generic/include/printf/printf_core.h
/trunk/kernel/generic/src/printf/printf_core.c
/trunk/kernel/generic/src/printf/snprintf.c
/trunk/kernel/generic/src/printf/vprintf.c
/trunk/kernel/generic/src/printf/vsnprintf.c
/trunk/kernel/generic/src/printf/vsprintf.c
2193 6336 d 8 h decky /trunk/uspace/tester/ reimplement all tests from original ipcc
(cleanup needed)
 
/trunk/uspace/tester/fault
/trunk/uspace/tester/fault/fault1.c
/trunk/uspace/tester/fault/fault1.def
/trunk/uspace/tester/fault/fault2.c
/trunk/uspace/tester/fault/fault2.def
/trunk/uspace/tester/ipc/answer.c
/trunk/uspace/tester/ipc/answer.def
/trunk/uspace/tester/ipc/hangup.c
/trunk/uspace/tester/ipc/hangup.def
/trunk/uspace/tester/ipc/send_async.c
/trunk/uspace/tester/ipc/send_async.def
/trunk/uspace/tester/ipc/send_sync.c
/trunk/uspace/tester/ipc/send_sync.def
/trunk/uspace/tester/Makefile
/trunk/uspace/tester/tester.c
/trunk/uspace/tester/tester.h
2192 6336 d 8 h decky /trunk/uspace/libc/arch/sparc64/include/ fix uspace atomic_add according kernel code  
/trunk/uspace/libc/arch/sparc64/include/atomic.h
2188 6336 d 8 h decky /trunk/ new user space testing framework (unfinished)  
/trunk/uspace/tester/ipc
/trunk/uspace/tester/ipc/connect.c
/trunk/uspace/tester/ipc/connect.def
/trunk/uspace/tester/ipc/register.c
/trunk/uspace/tester/ipc/register.def
/trunk/uspace/tester/print
/trunk/uspace/tester/print/print1.c
/trunk/uspace/tester/print/print1.def
/trunk/uspace/tester/tester.h
/trunk/uspace/tester/thread
/trunk/uspace/tester/thread/thread1.c
/trunk/uspace/tester/thread/thread1.def
/trunk/kernel/test/print/print1.c
/trunk/uspace/libc/generic/thread.c
/trunk/uspace/libc/generic/time.c
/trunk/uspace/libc/include/thread.h
/trunk/uspace/libc/include/unistd.h
/trunk/uspace/tester/Makefile
/trunk/uspace/tester/tester.c
2187 6336 d 9 h decky /trunk/kernel/generic/ add syscall for getting current thread ID  
/trunk/kernel/generic/include/proc/thread.h
/trunk/kernel/generic/include/syscall/syscall.h
/trunk/kernel/generic/src/proc/thread.c
/trunk/kernel/generic/src/syscall/syscall.c
2186 6336 d 10 h decky /trunk/uspace/tester/ rename ipcc.c to tester.c  
/trunk/uspace/tester/tester.c
/trunk/uspace/tester/ipcc.c
2185 6336 d 10 h decky /trunk/ rename ipcc to tester  
/trunk/uspace/tester
/trunk/uspace/ipcc
/trunk/boot/arch/amd64/Makefile.inc
/trunk/boot/arch/amd64/grub/menu.lst
/trunk/boot/arch/ia32/Makefile.inc
/trunk/boot/arch/ia32/grub/menu.lst
/trunk/boot/arch/ia32xen/Makefile.inc
/trunk/boot/arch/ia32xen/grub/menu.debug.lst
/trunk/boot/arch/ia32xen/grub/menu.lst
/trunk/boot/arch/mips32/loader/Makefile
/trunk/boot/arch/ppc32/loader/Makefile
/trunk/boot/arch/ppc64/loader/Makefile
/trunk/boot/arch/sparc64/loader/Makefile
/trunk/contrib/conf/ski.conf
/trunk/kernel/generic/src/lib/objc.c
/trunk/uspace/Makefile
/trunk/uspace/tester/Makefile
2184 6336 d 12 h decky /trunk/kernel/generic/src/lib/ add zetta (sextillion) prefix
make constants explicitly unsigned
 
/trunk/kernel/generic/src/lib/func.c
2183 6337 d 6 h jermar /trunk/kernel/generic/ Continue to de-oversynchronize the kernel.
- replace as->refcount with an atomic counter; accesses to this
reference counter are not to be done when the as->lock mutex is held;
this gets us rid of mutex_lock_active();

Remove the possibility of a deadlock between TLB shootdown and asidlock.
- get rid of mutex_lock_active() on as->lock
- when locking the asidlock spinlock, always do it conditionally and with
preemption disabled; in the unsuccessful case, enable interrupts and try again
- there should be no deadlock between TLB shootdown and the as->lock mutexes
- PLEASE REVIEW !!!

Add DEADLOCK_PROBE's to places where we have spinlock_trylock() loops.
 
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/include/synch/mutex.h
/trunk/kernel/generic/include/synch/spinlock.h
/trunk/kernel/generic/src/ipc/ipc.c
/trunk/kernel/generic/src/ipc/irq.c
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/proc/scheduler.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/proc/thread.c
/trunk/kernel/generic/src/synch/spinlock.c
/trunk/kernel/generic/src/synch/waitq.c
/trunk/kernel/generic/src/time/timeout.c
2170 6342 d 0 h jermar /trunk/kernel/ Simplify synchronization in as_switch().
The function was oversynchronized, which
was causing deadlocks on the address
space mutex.

Now, address spaces can only be switched
when the asidlock is held. This also protects
stealing of ASIDs. No other synchronization
is necessary.
 
/trunk/kernel/arch/ia64/src/mm/as.c
/trunk/kernel/arch/mips32/src/mm/as.c
/trunk/kernel/arch/ppc32/src/mm/as.c
/trunk/kernel/arch/ppc64/src/mm/as.c
/trunk/kernel/arch/sparc64/src/mm/as.c
/trunk/kernel/genarch/src/mm/asid.c
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/src/mm/as.c
2161 6344 d 3 h jermar /trunk/kernel/arch/sparc64/src/mm/ Fix TSB bug during TSB refill.
When one wants to enable a TSB entry, he or she should set the
entry invalid bit to false, as opposed to setting it to true.
 
/trunk/kernel/arch/sparc64/src/mm/tsb.c
2160 6344 d 3 h decky /trunk/boot/arch/ remove duplicate dependency  
/trunk/boot/arch/mips32/loader/Makefile
/trunk/boot/arch/ppc32/loader/Makefile
/trunk/boot/arch/ppc64/loader/Makefile
/trunk/boot/arch/sparc64/loader/Makefile
2144 6345 d 0 h jermar /trunk/kernel/arch/sparc64/src/mm/ Fix TSB size.  
/trunk/kernel/arch/sparc64/src/mm/as.c
2143 6345 d 7 h jermar /trunk/kernel/arch/sparc64/include/ Remove unneeded enum member.  
/trunk/kernel/arch/sparc64/include/interrupt.h
2142 6345 d 7 h jermar /trunk/kernel/generic/include/mm/ Remove out of date comment.  
/trunk/kernel/generic/include/mm/as.h
2141 6345 d 23 h jermar /trunk/ The Ultimate Solution To Illegal Virtual Aliases.
It is better to avoid them completely than to fight them.
Switch the sparc64 port to 16K pages. The TLBs and TSBs
continue to operate with 8K pages only. Page tables and
other generic parts operate with 16K pages.

Because the MMU doesn't support 16K directly, each 16K
page is emulated by a pair of 8K pages. With 16K pages,
illegal aliases cannot be created in 16K D-cache.
 
/trunk/kernel/arch/sparc64/src/mm/cache.S
/trunk/kernel/arch/sparc64/src/mm/cache.c
/trunk/kernel/arch/sparc64/src/mm/cache_asm.S
/trunk/boot/arch/sparc64/loader/asm.h
/trunk/kernel/arch/sparc64/Makefile.inc
/trunk/kernel/arch/sparc64/include/cpu.h
/trunk/kernel/arch/sparc64/include/mm/as.h
/trunk/kernel/arch/sparc64/include/mm/cache.h
/trunk/kernel/arch/sparc64/include/mm/frame.h
/trunk/kernel/arch/sparc64/include/mm/page.h
/trunk/kernel/arch/sparc64/include/mm/tsb.h
/trunk/kernel/arch/sparc64/include/stack.h
/trunk/kernel/arch/sparc64/src/cpu/cpu.c
/trunk/kernel/arch/sparc64/src/mm/as.c
/trunk/kernel/arch/sparc64/src/mm/page.c
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/mm/tsb.c
/trunk/kernel/arch/sparc64/src/smp/ipi.c
/trunk/kernel/arch/sparc64/src/trap/interrupt.c
/trunk/kernel/genarch/src/fb/fb.c
/trunk/kernel/genarch/src/mm/page_ht.c
/trunk/kernel/generic/src/console/klog.c
/trunk/kernel/generic/src/ddi/ddi.c
/trunk/kernel/generic/src/lib/rd.c
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/mm/backend_anon.c
/trunk/kernel/generic/src/mm/backend_elf.c
/trunk/kernel/generic/src/time/clock.c
/trunk/uspace/fb/ega.c
/trunk/uspace/fb/fb.c
/trunk/uspace/fb/main.c
/trunk/uspace/klog/klog.c
/trunk/uspace/libc/arch/sparc64/_link.ld.in
/trunk/uspace/libc/arch/sparc64/include/config.h
/trunk/uspace/libc/arch/sparc64/include/stack.h
/trunk/uspace/libc/generic/as.c
/trunk/uspace/libc/generic/mman.c
/trunk/uspace/libc/generic/time.c
/trunk/uspace/libc/include/as.h
/trunk/uspace/ns/ns.c
/trunk/uspace/rd/rd.c