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Rev Age Author Path Log message Diff Changes
3383 5770 d 0 h svoboda /trunk/kernel/generic/src/mm/ Fix panic caused by not setting new area flags in as_area_change_flags(), as pointed out by Jakub.  
/trunk/kernel/generic/src/mm/as.c
3382 5770 d 12 h jermar /trunk/kernel/generic/src/mm/ Fix the rare case when the anon or ELF backend uses PFN 0 for mapping.  
/trunk/kernel/generic/src/mm/backend_anon.c
/trunk/kernel/generic/src/mm/backend_elf.c
3240 5802 d 23 h decky / move unfinished ObjC support to a separate branch  
/branches/cs
/trunk/kernel/generic/include/lib/objc.h
/trunk/kernel/generic/include/lib/objc_ext.h
/trunk/kernel/generic/src/lib/objc.c
/trunk/kernel/generic/src/lib/objc_ext.c
/trunk/kernel/Makefile
/trunk/kernel/arch/ia32/src/mm/as.c
/trunk/kernel/genarch/include/mm/page_pt.h
/trunk/kernel/genarch/src/mm/as_pt.c
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/kernel.config
3222 5825 d 17 h svoboda /trunk/ Merge program-loader related stuff from dynload branch to trunk. (huge)  
/trunk/kernel/generic/include/proc/program.h
/trunk/kernel/generic/include/synch/smc.h
/trunk/kernel/generic/src/proc/program.c
/trunk/kernel/generic/src/synch/smc.c
/trunk/uspace/app/cli
/trunk/uspace/app/cli/Makefile
/trunk/uspace/app/cli/cli.c
/trunk/uspace/lib/libc/generic/pcb.c
/trunk/uspace/lib/libc/generic/smc.c
/trunk/uspace/lib/libc/include/ipc/loader.h
/trunk/uspace/lib/libc/include/loader
/trunk/uspace/lib/libc/include/loader/pcb.h
/trunk/uspace/lib/libc/include/smc.h
/trunk/uspace/srv/loader
/trunk/uspace/srv/loader/Makefile
/trunk/uspace/srv/loader/arch
/trunk/uspace/srv/loader/arch/amd64
/trunk/uspace/srv/loader/arch/amd64/Makefile.inc
/trunk/uspace/srv/loader/arch/amd64/_link.ld.in
/trunk/uspace/srv/loader/arch/amd64/amd64.s
/trunk/uspace/srv/loader/arch/arm32
/trunk/uspace/srv/loader/arch/arm32/Makefile.inc
/trunk/uspace/srv/loader/arch/arm32/_link.ld.in
/trunk/uspace/srv/loader/arch/arm32/arm32.s
/trunk/uspace/srv/loader/arch/ia32
/trunk/uspace/srv/loader/arch/ia32/Makefile.inc
/trunk/uspace/srv/loader/arch/ia32/_link.ld.in
/trunk/uspace/srv/loader/arch/ia32/ia32.s
/trunk/uspace/srv/loader/arch/ia64
/trunk/uspace/srv/loader/arch/ia64/Makefile.inc
/trunk/uspace/srv/loader/arch/ia64/_link.ld.in
/trunk/uspace/srv/loader/arch/ia64/ia64.s
/trunk/uspace/srv/loader/arch/mips32
/trunk/uspace/srv/loader/arch/mips32/Makefile.inc
/trunk/uspace/srv/loader/arch/mips32/_link.ld.in
/trunk/uspace/srv/loader/arch/mips32/mips32.s
/trunk/uspace/srv/loader/arch/ppc32
/trunk/uspace/srv/loader/arch/ppc32/Makefile.inc
/trunk/uspace/srv/loader/arch/ppc32/_link.ld.in
/trunk/uspace/srv/loader/arch/ppc32/ppc32.s
/trunk/uspace/srv/loader/arch/sparc64
/trunk/uspace/srv/loader/arch/sparc64/Makefile.inc
/trunk/uspace/srv/loader/arch/sparc64/_link.ld.in
/trunk/uspace/srv/loader/arch/sparc64/sparc64.s
/trunk/uspace/srv/loader/elf_load.c
/trunk/uspace/srv/loader/include
/trunk/uspace/srv/loader/include/arch.h
/trunk/uspace/srv/loader/include/elf.h
/trunk/uspace/srv/loader/include/elf_load.h
/trunk/uspace/srv/loader/interp.s
/trunk/uspace/srv/loader/main.c
/trunk/boot/arch/amd64/Makefile.inc
/trunk/boot/arch/amd64/grub/menu.lst
/trunk/boot/arch/arm32/loader/Makefile
/trunk/boot/arch/ia32/Makefile.inc
/trunk/boot/arch/ia32/grub/menu.lst
/trunk/boot/arch/ia64/loader/Makefile
/trunk/boot/arch/mips32/loader/Makefile
/trunk/boot/arch/ppc32/loader/Makefile
/trunk/boot/arch/sparc64/loader/Makefile
/trunk/kernel/Makefile
/trunk/kernel/arch/amd64/src/userspace.c
/trunk/kernel/arch/arm32/src/userspace.c
/trunk/kernel/arch/ia32/src/userspace.c
/trunk/kernel/arch/ia32xen/src/userspace.c
/trunk/kernel/arch/ia64/src/asm.S
/trunk/kernel/arch/mips32/src/start.S
/trunk/kernel/arch/ppc32/src/asm.S
/trunk/kernel/arch/ppc64/src/asm.S
/trunk/kernel/arch/sparc64/src/asm.S
/trunk/kernel/generic/include/lib/elf.h
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/include/proc/task.h
/trunk/kernel/generic/include/proc/thread.h
/trunk/kernel/generic/include/syscall/syscall.h
/trunk/kernel/generic/src/lib/elf.c
/trunk/kernel/generic/src/main/kinit.c
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/proc/thread.c
/trunk/kernel/generic/src/syscall/syscall.c
/trunk/uspace/Makefile
/trunk/uspace/app/init/init.c
/trunk/uspace/app/tester/tester.c
/trunk/uspace/lib/libc/Makefile
/trunk/uspace/lib/libc/arch/amd64/src/entry.s
/trunk/uspace/lib/libc/arch/arm32/src/entry.s
/trunk/uspace/lib/libc/arch/ia32/src/entry.s
/trunk/uspace/lib/libc/arch/ia64/src/entry.s
/trunk/uspace/lib/libc/arch/mips32/src/entry.s
/trunk/uspace/lib/libc/arch/ppc32/src/entry.s
/trunk/uspace/lib/libc/arch/ppc64/src/entry.s
/trunk/uspace/lib/libc/arch/sparc64/src/entry.s
/trunk/uspace/lib/libc/generic/as.c
/trunk/uspace/lib/libc/generic/io/stream.c
/trunk/uspace/lib/libc/generic/libc.c
/trunk/uspace/lib/libc/generic/task.c
/trunk/uspace/lib/libc/include/as.h
/trunk/uspace/lib/libc/include/io/stream.h
/trunk/uspace/lib/libc/include/libc.h
/trunk/uspace/lib/libc/include/task.h
3208 5827 d 13 h jermar /trunk/kernel/generic/ The real intention of the previous commit was to put the boundary
on 4 GiB, not 16 GiB.
 
/trunk/kernel/generic/include/mm/frame.h
/trunk/kernel/generic/src/mm/frame.c
3207 5827 d 14 h jermar /trunk/kernel/generic/ Introduce FRAME_LOW_16_GiB slab/frame allocator flag. When specified, the
allocators will not allocate memory above 16 GiB. Each architecture needs to
make sure not to merge zones from below and above 16 GiB. Allocations that
require memory below 16 GiB need to be altered to use this flag.
 
/trunk/kernel/generic/include/mm/frame.h
/trunk/kernel/generic/src/mm/frame.c
3206 5827 d 15 h jermar /trunk/kernel/generic/ Avoid deadlock during the 'zone n' kconsole command. Buddy allocator detail is
no longer printed because the effort to avoid the deadlock was simply not worth
it.
 
/trunk/kernel/generic/include/mm/buddy.h
/trunk/kernel/generic/src/mm/buddy.c
/trunk/kernel/generic/src/mm/frame.c
3205 5827 d 17 h jermar /trunk/kernel/generic/src/mm/ Fix deadlock in the 'zones' kconsole command.  
/trunk/kernel/generic/src/mm/frame.c
3188 5840 d 10 h jermar /trunk/kernel/generic/src/mm/ Finer grained waiting for memory with consideration of the number
of available memory frames.
 
/trunk/kernel/generic/src/mm/frame.c
3187 5840 d 15 h jermar /trunk/kernel/generic/src/mm/ Get rid of the infamous "Sleep not implemented" panic during low memory
condition. Use a condition variable to implement the sleep. As of now, the
condition is rather coarse and can cause that threads may sleep unnecessarily.
Needs to be fine tuned and based on the amount of memory available.
 
/trunk/kernel/generic/src/mm/frame.c
3186 5840 d 15 h jermar /trunk/kernel/ Support for active mutexes. Active mutexes implement busy waiting, pretty much
in the same way as spinlocks, but can be passed to condition variables, which is
the motivation for this enhancement.
 
/trunk/kernel/genarch/src/mm/as_ht.c
/trunk/kernel/generic/include/synch/mutex.h
/trunk/kernel/generic/src/ipc/ipc.c
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/synch/condvar.c
/trunk/kernel/generic/src/synch/mutex.c
/trunk/kernel/generic/src/synch/rwlock.c
/trunk/kernel/test/mm/slab2.c
3185 5841 d 14 h jermar /trunk/kernel/generic/src/mm/ cstyle for frame.c  
/trunk/kernel/generic/src/mm/frame.c
3183 5841 d 19 h jermar /trunk/kernel/generic/src/mm/ Avoid easy deadlock while printing slab cache statistics.  
/trunk/kernel/generic/src/mm/slab.c
3180 5843 d 0 h jermar /trunk/kernel/generic/src/mm/ cstyle for slab.c  
/trunk/kernel/generic/src/mm/slab.c
3143 5849 d 17 h svoboda /trunk/kernel/ Implement smc_coherence[_block]() for ppc32  
/trunk/kernel/arch/ppc32/include/barrier.h
/trunk/kernel/generic/src/mm/backend_elf.c
3142 5849 d 17 h svoboda /trunk/kernel/generic/src/mm/ Fix build when smc_coherence_block() is defined as an empty macro  
/trunk/kernel/generic/src/mm/backend_elf.c
3141 5849 d 21 h jermar /trunk/kernel/generic/src/mm/ Maintain cache coherence when the ELF backend duplicates a frame from an
executable segment.
 
/trunk/kernel/generic/src/mm/backend_elf.c
3130 5852 d 2 h jermar /trunk/kernel/generic/src/mm/ Add a comment explaining the reason for a memory barrier after page table update in detail.  
/trunk/kernel/generic/src/mm/page.c
3128 5852 d 14 h jermar /trunk/kernel/generic/src/mm/ Issue a memory barrier after modifying a page table mapping in order to
prevent memory prefetching.
 
/trunk/kernel/generic/src/mm/page.c
3104 5858 d 2 h svoboda /trunk/kernel/ Declare arguments for memstr.h operations as pointers instead of uintptr_t.  
/trunk/kernel/Makefile
/trunk/kernel/arch/amd64/include/memstr.h
/trunk/kernel/arch/amd64/src/pm.c
/trunk/kernel/arch/arm32/include/memstr.h
/trunk/kernel/arch/ia32/include/memstr.h
/trunk/kernel/arch/ia32/src/drivers/ega.c
/trunk/kernel/arch/ia32/src/pm.c
/trunk/kernel/arch/ia32/src/smp/smp.c
/trunk/kernel/arch/ia32xen/src/ia32xen.c
/trunk/kernel/arch/ia32xen/src/pm.c
/trunk/kernel/arch/ia32xen/src/smp/smp.c
/trunk/kernel/arch/ia64/include/memstr.h
/trunk/kernel/arch/ia64/src/drivers/ega.c
/trunk/kernel/arch/ia64/src/mm/vhpt.c
/trunk/kernel/arch/mips32/include/memstr.h
/trunk/kernel/arch/ppc32/include/memstr.h
/trunk/kernel/arch/ppc64/include/memstr.h
/trunk/kernel/arch/ppc64/src/mm/page.c
/trunk/kernel/arch/sparc64/include/memstr.h
/trunk/kernel/arch/sparc64/src/mm/as.c
/trunk/kernel/genarch/src/mm/as_pt.c
/trunk/kernel/genarch/src/mm/page_pt.c
/trunk/kernel/generic/include/memstr.h
/trunk/kernel/generic/src/adt/hash_table.c
/trunk/kernel/generic/src/cpu/cpu.c
/trunk/kernel/generic/src/ipc/ipc.c
/trunk/kernel/generic/src/lib/memstr.c
/trunk/kernel/generic/src/lib/objc_ext.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/mm/slab.c
/trunk/kernel/generic/src/proc/thread.c
/trunk/kernel/test/mm/falloc2.c
/trunk/kernel/test/mm/slab1.c
/trunk/kernel/test/mm/slab2.c
3057 5860 d 19 h decky /trunk/kernel/generic/src/mm/ proper printf formatting  
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/mm/buddy.c
/trunk/kernel/generic/src/mm/frame.c
/trunk/kernel/generic/src/mm/slab.c
3007 5868 d 15 h jermar /trunk/ Improve linking and loading of boot ELF images.
(Contributed by Jiri Svoboda)
 
/trunk/kernel/generic/src/lib/elf.c
/trunk/kernel/generic/src/mm/backend_elf.c
/trunk/uspace/lib/libc/arch/amd64/_link.ld.in
/trunk/uspace/lib/libc/arch/arm32/_link.ld.in
/trunk/uspace/lib/libc/arch/ia32/_link.ld.in
/trunk/uspace/lib/libc/arch/ia64/_link.ld.in
/trunk/uspace/lib/libc/arch/mips32/_link.ld.in
/trunk/uspace/lib/libc/arch/ppc32/_link.ld.in
/trunk/uspace/lib/libc/arch/ppc64/_link.ld.in
/trunk/uspace/lib/libc/arch/sparc64/_link.ld.in
2745 5957 d 22 h decky /trunk/ code cleanup (mostly signed/unsigned)
allow extra compiler warnings
 
/trunk/kernel/Makefile
/trunk/kernel/arch/amd64/src/mm/page.c
/trunk/kernel/arch/arm32/src/arm32.c
/trunk/kernel/arch/arm32/src/cpu/cpu.c
/trunk/kernel/arch/arm32/src/debug/print.c
/trunk/kernel/arch/ia32xen/src/mm/tlb.c
/trunk/kernel/arch/ia32xen/src/smp/mps.c
/trunk/kernel/arch/ia32xen/src/smp/smp.c
/trunk/kernel/arch/ia64/src/ia64.c
/trunk/kernel/arch/ia64/src/mm/tlb.c
/trunk/kernel/arch/mips32/src/cpu/cpu.c
/trunk/kernel/arch/mips32/src/debugger.c
/trunk/kernel/arch/mips32/src/drivers/arc.c
/trunk/kernel/arch/mips32/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/mm/frame.c
/trunk/kernel/arch/sparc64/src/mm/page.c
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/smp/ipi.c
/trunk/kernel/genarch/src/ofw/ebus.c
/trunk/kernel/genarch/src/ofw/fhc.c
/trunk/kernel/genarch/src/ofw/ofw_tree.c
/trunk/kernel/genarch/src/ofw/pci.c
/trunk/kernel/genarch/src/ofw/sbus.c
/trunk/kernel/generic/include/lib/elf.h
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/include/mm/slab.h
/trunk/kernel/generic/src/debug/symtab.c
/trunk/kernel/generic/src/interrupt/interrupt.c
/trunk/kernel/generic/src/ipc/irq.c
/trunk/kernel/generic/src/ipc/sysipc.c
/trunk/kernel/generic/src/lib/elf.c
/trunk/kernel/generic/src/lib/func.c
/trunk/kernel/generic/src/lib/memstr.c
/trunk/kernel/generic/src/lib/sort.c
/trunk/kernel/generic/src/main/main.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/mm/frame.c
/trunk/kernel/generic/src/mm/slab.c
/trunk/kernel/generic/src/mm/tlb.c
/trunk/kernel/generic/src/printf/printf_core.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/synch/futex.c
/trunk/kernel/generic/src/time/clock.c
/trunk/kernel/test/avltree/avltree1.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/synch/rwlock5.c
/trunk/kernel/test/test.c
/trunk/kernel/test/thread/thread1.c
/trunk/uspace/lib/libc/arch/ppc64/src/syscall.c
2725 5978 d 19 h decky /trunk/kernel/ remove config.memory_size, get_memory_size() and memory_init.{c|d}
the amount of available memory can be calculated from the sizes of the zones
add FRAMES2SIZE, SIZE2KB and SIZE2MB functions/macros (code readability)
 
/trunk/kernel/arch/amd64/src/boot/memmap.c
/trunk/kernel/arch/ia32/src/boot/memmap.c
/trunk/kernel/arch/amd64/include/mm/memory_init.h
/trunk/kernel/arch/amd64/src/mm/memory_init.c
/trunk/kernel/arch/arm32/include/mm/memory_init.h
/trunk/kernel/arch/arm32/src/mm/memory_init.c
/trunk/kernel/arch/ia32/include/mm/memory_init.h
/trunk/kernel/arch/ia32/src/mm/memory_init.c
/trunk/kernel/arch/ia32xen/include/mm/memory_init.h
/trunk/kernel/arch/ia32xen/src/mm/memory_init.c
/trunk/kernel/arch/ia64/include/mm/memory_init.h
/trunk/kernel/arch/mips32/include/mm/memory_init.h
/trunk/kernel/arch/ppc32/include/mm/memory_init.h
/trunk/kernel/arch/ppc32/src/mm/memory_init.c
/trunk/kernel/arch/ppc64/include/mm/memory_init.h
/trunk/kernel/arch/ppc64/src/mm/memory_init.c
/trunk/kernel/arch/sparc64/include/mm/memory_init.h
/trunk/kernel/arch/sparc64/src/mm/memory_init.c
/trunk/kernel/arch/amd64/Makefile.inc
/trunk/kernel/arch/amd64/src/amd64.c
/trunk/kernel/arch/amd64/src/boot/boot.S
/trunk/kernel/arch/arm32/Makefile.inc
/trunk/kernel/arch/arm32/src/mm/frame.c
/trunk/kernel/arch/ia32/Makefile.inc
/trunk/kernel/arch/ia32/include/boot/memmap.h
/trunk/kernel/arch/ia32/src/boot/boot.S
/trunk/kernel/arch/ia32/src/ia32.c
/trunk/kernel/arch/ia32xen/Makefile.inc
/trunk/kernel/arch/ia32xen/src/ia32xen.c
/trunk/kernel/arch/ia64/src/mm/frame.c
/trunk/kernel/arch/mips32/src/drivers/arc.c
/trunk/kernel/arch/mips32/src/mm/frame.c
/trunk/kernel/arch/ppc32/Makefile.inc
/trunk/kernel/arch/ppc32/src/mm/frame.c
/trunk/kernel/arch/ppc32/src/ppc32.c
/trunk/kernel/arch/ppc64/Makefile.inc
/trunk/kernel/arch/ppc64/src/mm/frame.c
/trunk/kernel/arch/ppc64/src/ppc64.c
/trunk/kernel/arch/sparc64/Makefile.inc
/trunk/kernel/generic/include/config.h
/trunk/kernel/generic/include/macros.h
/trunk/kernel/generic/include/mm/frame.h
/trunk/kernel/generic/src/main/main.c
/trunk/kernel/generic/src/mm/frame.c
2712 5983 d 19 h decky /trunk/kernel/ prettyprint output  
/trunk/kernel/arch/amd64/src/debugger.c
/trunk/kernel/arch/ia32/src/mm/frame.c
/trunk/kernel/generic/include/macros.h
/trunk/kernel/generic/src/interrupt/interrupt.c
/trunk/kernel/generic/src/mm/frame.c
/trunk/kernel/generic/src/printf/printf_core.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/proc/thread.c
2647 6030 d 15 h jermar /trunk/kernel/generic/src/mm/ Fix a bug in anonymous address space area sharing. Call the backend's share
function only if the source area is not already shared. Otherwise increment the
sh_info refcount. Without this fix, the kernel will try to recreate the pagemap
if three and more address space areas attempt to share the same data.
 
/trunk/kernel/generic/src/mm/as.c
/trunk/kernel/generic/src/mm/backend_elf.c
2556 6108 d 23 h jermar /trunk/kernel/generic/ Rename as_get_size() to as_area_get_size() and add a doxygen comment.  
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/src/ipc/sysipc.c
/trunk/kernel/generic/src/mm/as.c
2467 6216 d 16 h jermar /trunk/ Improve comments for arch-specific implementations of hierarchical
4-level page tables. Improve formatting.
 
/trunk/boot/genarch/include/softint
/trunk/boot/generic/genarch
/trunk/kernel/arch/amd64/include/mm/page.h
/trunk/kernel/arch/arm32/include/mm/page.h
/trunk/kernel/arch/arm32/include/mm/page_fault.h
/trunk/kernel/arch/ia32/include/mm/page.h
/trunk/kernel/arch/ia32xen/include/mm/page.h
/trunk/kernel/arch/mips32/include/mm/page.h
/trunk/kernel/arch/ppc32/include/mm/page.h
/trunk/kernel/arch/ppc64/include/mm/page.h
/trunk/kernel/genarch/include/mm/page_ht.h
/trunk/kernel/genarch/include/mm/page_pt.h
/trunk/kernel/generic/src/mm/backend_elf.c
/trunk/kernel/generic/src/syscall/syscall.c
2222 6282 d 13 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
2183 6285 d 17 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 6290 d 11 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
2141 6294 d 10 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 6295 d 14 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 6295 d 14 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 6296 d 20 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
2128 6337 d 14 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
2126 6338 d 11 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 6338 d 13 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 6338 d 15 h decky /trunk/kernel/generic/ implement simple realloc()  
/trunk/kernel/generic/include/mm/slab.h
/trunk/kernel/generic/src/mm/slab.c
2123 6344 d 18 h decky /trunk/kernel/generic/src/mm/ add forgotten unsigned  
/trunk/kernel/generic/src/mm/frame.c
/trunk/kernel/generic/src/mm/slab.c