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Rev Age Author Path Log message Diff Changes
2211 6348 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 6348 d 4 h decky /trunk/ use more useful values  
/trunk/kernel/test/thread/thread1.c
/trunk/uspace/tester/thread/thread1.c
2208 6348 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
2188 6349 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 6349 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
2185 6349 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 6349 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 6350 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 6355 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 6357 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
2144 6358 d 0 h jermar /trunk/kernel/arch/sparc64/src/mm/ Fix TSB size.  
/trunk/kernel/arch/sparc64/src/mm/as.c
2143 6358 d 6 h jermar /trunk/kernel/arch/sparc64/include/ Remove unneeded enum member.  
/trunk/kernel/arch/sparc64/include/interrupt.h
2142 6358 d 7 h jermar /trunk/kernel/generic/include/mm/ Remove out of date comment.  
/trunk/kernel/generic/include/mm/as.h
2141 6358 d 22 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
2134 6360 d 3 h jermar /trunk/kernel/ Reworked handling of illegal virtual aliases caused by frame reuse.
We moved the incomplete handling from backend's frame method to
backend's page_fault method. The page_fault method is the one that
can create an illegal alias if it writes the userspace frame using
kernel address with a different page color than the page to which is
this frame mapped in userspace. When we detect this, we do D-cache
shootdown on all processors (!!!).

If we add code that accesses userspace memory from kernel address
space, we will have to check for illegal virtual aliases at all such
places.

I tested this on a 4-way simulated E6500 and a real-world Ultra 5,
which has unfortunatelly only one processor.

This solves ticket #26.
 
/trunk/kernel/arch/sparc64/include/cpu.h
/trunk/kernel/arch/sparc64/include/interrupt.h
/trunk/kernel/arch/sparc64/include/mm/cache.h
/trunk/kernel/arch/sparc64/src/cpu/cpu.c
/trunk/kernel/arch/sparc64/src/mm/cache.c
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/smp/ipi.c
/trunk/kernel/arch/sparc64/src/trap/interrupt.c
/trunk/kernel/generic/src/mm/backend_anon.c
/trunk/kernel/generic/src/mm/backend_elf.c
2133 6360 d 3 h jermar /trunk/kernel/generic/src/mm/ Coding style and indentation fixes.  
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/mm/frame.c
/trunk/kernel/generic/src/mm/tlb.c
2132 6361 d 9 h jermar /trunk/kernel/generic/src/mm/ Fix coding style in the address space area backends.  
/trunk/kernel/generic/src/mm/backend_anon.c
/trunk/kernel/generic/src/mm/backend_elf.c
/trunk/kernel/generic/src/mm/backend_phys.c
2129 6395 d 1 h jermar /trunk/ Fix small problem in sparc64 port.

Bump version to 0.2.0.4 (Sunset).
 
/trunk/kernel/arch/sparc64/include/atomic.h
/trunk/version
2128 6402 d 3 h jermar /trunk/ Add arm32 architecture. The 32 suffix is used to specify that 16-bit Thumb
instructions are not used. The arm32 code is mostly composed of placeholders
that need to be replaced by real implementation. So far, the arm32 tree
only compiles. If run under GXEmul simulator, an infinit loop at the
kernel entry point will be entered.
 
/trunk/boot/arch/arm32
/trunk/boot/arch/arm32/Makefile.inc
/trunk/contrib/toolchain/toolchain.arm32.sh
/trunk/kernel/arch/arm32
/trunk/kernel/arch/arm32/Makefile.inc
/trunk/kernel/arch/arm32/_link.ld.in
/trunk/kernel/arch/arm32/include
/trunk/kernel/arch/arm32/include/arch.h
/trunk/kernel/arch/arm32/include/arg.h
/trunk/kernel/arch/arm32/include/asm.h
/trunk/kernel/arch/arm32/include/atomic.h
/trunk/kernel/arch/arm32/include/barrier.h
/trunk/kernel/arch/arm32/include/byteorder.h
/trunk/kernel/arch/arm32/include/context.h
/trunk/kernel/arch/arm32/include/cpu.h
/trunk/kernel/arch/arm32/include/cycle.h
/trunk/kernel/arch/arm32/include/debug.h
/trunk/kernel/arch/arm32/include/elf.h
/trunk/kernel/arch/arm32/include/exception.h
/trunk/kernel/arch/arm32/include/faddr.h
/trunk/kernel/arch/arm32/include/fpu_context.h
/trunk/kernel/arch/arm32/include/interrupt.h
/trunk/kernel/arch/arm32/include/memstr.h
/trunk/kernel/arch/arm32/include/mm
/trunk/kernel/arch/arm32/include/mm/as.h
/trunk/kernel/arch/arm32/include/mm/asid.h
/trunk/kernel/arch/arm32/include/mm/frame.h
/trunk/kernel/arch/arm32/include/mm/memory_init.h
/trunk/kernel/arch/arm32/include/mm/page.h
/trunk/kernel/arch/arm32/include/mm/tlb.h
/trunk/kernel/arch/arm32/include/proc
/trunk/kernel/arch/arm32/include/proc/task.h
/trunk/kernel/arch/arm32/include/proc/thread.h
/trunk/kernel/arch/arm32/include/types.h
/trunk/kernel/arch/arm32/src
/trunk/kernel/arch/arm32/src/arm32.c
/trunk/kernel/arch/arm32/src/context.S
/trunk/kernel/arch/arm32/src/cpu
/trunk/kernel/arch/arm32/src/cpu/cpu.c
/trunk/kernel/arch/arm32/src/ddi
/trunk/kernel/arch/arm32/src/ddi/ddi.c
/trunk/kernel/arch/arm32/src/dummy.S
/trunk/kernel/arch/arm32/src/mm
/trunk/kernel/arch/arm32/src/mm/as.c
/trunk/kernel/arch/arm32/src/mm/frame.c
/trunk/kernel/arch/arm32/src/mm/page.c
/trunk/kernel/arch/arm32/src/start.S
/trunk/uspace/kbd/arch/arm32
/trunk/uspace/kbd/arch/arm32/include
/trunk/uspace/kbd/arch/arm32/include/kbd.h
/trunk/uspace/kbd/arch/arm32/src
/trunk/uspace/kbd/arch/arm32/src/kbd.c
/trunk/uspace/libc/arch/arm32
/trunk/uspace/libc/arch/arm32/Makefile.inc
/trunk/uspace/libc/arch/arm32/_link.ld.in
/trunk/uspace/libc/arch/arm32/include
/trunk/uspace/libc/arch/arm32/include/atomic.h
/trunk/uspace/libc/arch/arm32/include/config.h
/trunk/uspace/libc/arch/arm32/include/endian.h
/trunk/uspace/libc/arch/arm32/include/faddr.h
/trunk/uspace/libc/arch/arm32/include/limits.h
/trunk/uspace/libc/arch/arm32/include/psthread.h
/trunk/uspace/libc/arch/arm32/include/stackarg.h
/trunk/uspace/libc/arch/arm32/include/syscall.h
/trunk/uspace/libc/arch/arm32/include/thread.h
/trunk/uspace/libc/arch/arm32/include/types.h
/trunk/uspace/libc/arch/arm32/src
/trunk/uspace/libc/arch/arm32/src/dummy.S
/trunk/uspace/libc/arch/arm32/src/entry.s
/trunk/uspace/libc/arch/arm32/src/psthread.S
/trunk/uspace/libc/arch/arm32/src/syscall.c
/trunk/uspace/libc/arch/arm32/src/thread.c
/trunk/uspace/libc/arch/arm32/src/thread_entry.s
/trunk/uspace/softfloat/arch/arm32
/trunk/uspace/softfloat/arch/arm32/include
/trunk/uspace/softfloat/arch/arm32/include/functions.h
/trunk/HelenOS.config
/trunk/Makefile
/trunk/boot/boot.config
/trunk/kernel/generic/include/lib/elf.h
/trunk/kernel/generic/src/mm/frame.c
/trunk/kernel/kernel.config
/trunk/uspace/libc/include/ctype.h
/trunk/uspace/uspace.config
2127 6402 d 12 h decky /trunk/kernel/generic/src/lib/ add forgotten implementation  
/trunk/kernel/generic/src/lib/objc.c
2126 6402 d 23 h decky /trunk/kernel/ small cleanup, more work coming  
/trunk/kernel/generic/include/lib/objc_ext.h
/trunk/kernel/generic/src/lib/objc_ext.c
/trunk/kernel/generic/src/lib/objc.c
/trunk/kernel/Makefile
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/src/mm/as.c
2125 6403 d 2 h decky /trunk/ experimental support for Objective C
(disabled by default)
 
/trunk/kernel/generic/include/lib/objc.h
/trunk/kernel/generic/src/lib/objc.c
/trunk/contrib/toolchain/toolchain.ia32.sh
/trunk/contrib/toolchain/toolchain.sparc64.sh
/trunk/kernel/Makefile
/trunk/kernel/arch/amd64/Makefile.inc
/trunk/kernel/arch/ia32/Makefile.inc
/trunk/kernel/arch/ia32/src/mm/as.c
/trunk/kernel/arch/ia32xen/Makefile.inc
/trunk/kernel/arch/ia64/Makefile.inc
/trunk/kernel/arch/mips32/Makefile.inc
/trunk/kernel/arch/ppc32/Makefile.inc
/trunk/kernel/arch/ppc64/Makefile.inc
/trunk/kernel/arch/sparc64/Makefile.inc
/trunk/kernel/genarch/include/mm/page_pt.h
/trunk/kernel/genarch/src/mm/as_pt.c
/trunk/kernel/generic/include/memstr.h
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/include/print.h
/trunk/kernel/generic/src/lib/memstr.c
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/printf/vprintf.c
/trunk/kernel/kernel.config
2124 6403 d 4 h decky /trunk/kernel/generic/ implement simple realloc()  
/trunk/kernel/generic/include/mm/slab.h
/trunk/kernel/generic/src/mm/slab.c
2123 6409 d 6 h decky /trunk/kernel/generic/src/mm/ add forgotten unsigned  
/trunk/kernel/generic/src/mm/frame.c
/trunk/kernel/generic/src/mm/slab.c
2122 6409 d 6 h decky /trunk/kernel/generic/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/include/mm/frame.h
/trunk/kernel/generic/src/mm/frame.c
2121 6409 d 7 h decky /trunk/kernel/generic/src/mm/ remove anonymous structure, add static qualifier  
/trunk/kernel/generic/src/mm/frame.c
2120 6409 d 7 h decky /trunk/kernel/generic/include/syscall/ specify syscall handler arguments  
/trunk/kernel/generic/include/syscall/syscall.h
2119 6409 d 7 h decky /trunk/kernel/generic/src/syscall/ explicit typecast  
/trunk/kernel/generic/src/syscall/syscall.c
2118 6409 d 7 h decky /trunk/kernel/generic/src/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/src/main/kinit.c
/trunk/kernel/generic/src/proc/scheduler.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/proc/thread.c
2117 6409 d 8 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
/trunk/kernel/generic/src/ddi/irq.c
2116 6409 d 8 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
/trunk/kernel/generic/src/ddi/ddi.c
2115 6409 d 8 h decky /trunk/kernel/generic/src/cpu/ fix signed/unsigned comparison  
/trunk/kernel/generic/src/cpu/cpu.c
2114 6409 d 8 h decky /trunk/kernel/generic/src/console/ explicit typecast  
/trunk/kernel/generic/src/console/cmd.c
2113 6409 d 9 h decky /trunk/kernel/generic/src/console/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/src/console/kconsole.c
2112 6409 d 10 h decky /trunk/kernel/generic/src/adt/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/src/adt/hash_table.c
2111 6409 d 10 h decky /trunk/kernel/generic/src/adt/ fix signed/unsigned comparison  
/trunk/kernel/generic/src/adt/btree.c
2110 6410 d 1 h jermar /trunk/kernel/arch/ia64/ Minor cleanup in ia64.  
/trunk/kernel/arch/ia64/include/drivers/ega.h
/trunk/kernel/arch/ia64/src/drivers/ega.c
/trunk/kernel/arch/ia64/include/simics
/trunk/kernel/arch/ia64/src/simics
/trunk/kernel/arch/ia64/Makefile.inc
/trunk/kernel/arch/ia64/src/cpu/cpu.c
/trunk/kernel/arch/ia64/src/ia64.c
/trunk/kernel/arch/ia64/src/start.S
2109 6410 d 10 h jermar /trunk/kernel/generic/ Revert thread_interrupt_sleep() to waitq_interrupt_sleep().
I'd prefer that this, IMO, waitq related stuff stays together.
 
/trunk/kernel/generic/include/ddi/irq.h
/trunk/kernel/generic/include/proc/thread.h
/trunk/kernel/generic/include/synch/waitq.h
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/proc/thread.c
/trunk/kernel/generic/src/synch/waitq.c
2108 6410 d 11 h jermar /trunk/kernel/generic/src/console/ Cleanup kconsole.c  
/trunk/kernel/generic/src/console/kconsole.c
2107 6411 d 1 h jermar /trunk/ When clock() is called by an external interrupt dispatched by the IRQ dispatcher,
no spinlock can be held or the kernel will not be preemptive. This fixes Ticket #24.

Formating and indentation fixes.
 
/trunk/kernel/arch/ia32/src/drivers/i8254.c
/trunk/kernel/arch/ia32/src/drivers/i8259.c
/trunk/kernel/arch/ia32/src/ia32.c
/trunk/kernel/arch/ia32/src/interrupt.c
/trunk/kernel/arch/ia32/src/smp/smp.c
/trunk/kernel/arch/ia32xen/src/ia32xen.c
/trunk/kernel/arch/ia32xen/src/smp/apic.c
/trunk/kernel/arch/ia64/src/drivers/it.c
/trunk/kernel/arch/ia64/src/ia64.c
/trunk/kernel/arch/mips32/src/interrupt.c
/trunk/kernel/arch/sparc64/src/drivers/tick.c
/trunk/kernel/arch/sparc64/src/sparc64.c
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/src/ddi/ddi.c
/trunk/kernel/generic/src/ddi/irq.c
/trunk/uspace/ipcc/ipcc.c