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Rev Age Author Path Log message Diff Changes
2170 6297 d 16 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 6299 d 19 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 6300 d 17 h jermar /trunk/kernel/arch/sparc64/src/mm/ Fix TSB size.  
/trunk/kernel/arch/sparc64/src/mm/as.c
2143 6300 d 23 h jermar /trunk/kernel/arch/sparc64/include/ Remove unneeded enum member.  
/trunk/kernel/arch/sparc64/include/interrupt.h
2142 6301 d 0 h jermar /trunk/kernel/generic/include/mm/ Remove out of date comment.  
/trunk/kernel/generic/include/mm/as.h
2141 6301 d 15 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 6302 d 19 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 6302 d 20 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 6304 d 2 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 6337 d 18 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 6344 d 20 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 6345 d 5 h decky /trunk/kernel/generic/src/lib/ add forgotten implementation  
/trunk/kernel/generic/src/lib/objc.c
2126 6345 d 16 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 6345 d 19 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 6345 d 21 h decky /trunk/kernel/generic/ implement simple realloc()  
/trunk/kernel/generic/include/mm/slab.h
/trunk/kernel/generic/src/mm/slab.c
2123 6351 d 23 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 6351 d 23 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 6351 d 23 h decky /trunk/kernel/generic/src/mm/ remove anonymous structure, add static qualifier  
/trunk/kernel/generic/src/mm/frame.c
2120 6352 d 0 h decky /trunk/kernel/generic/include/syscall/ specify syscall handler arguments  
/trunk/kernel/generic/include/syscall/syscall.h
2119 6352 d 0 h decky /trunk/kernel/generic/src/syscall/ explicit typecast  
/trunk/kernel/generic/src/syscall/syscall.c
2118 6352 d 0 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 6352 d 0 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
/trunk/kernel/generic/src/ddi/irq.c
2116 6352 d 0 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
/trunk/kernel/generic/src/ddi/ddi.c
2115 6352 d 0 h decky /trunk/kernel/generic/src/cpu/ fix signed/unsigned comparison  
/trunk/kernel/generic/src/cpu/cpu.c
2114 6352 d 1 h decky /trunk/kernel/generic/src/console/ explicit typecast  
/trunk/kernel/generic/src/console/cmd.c
2113 6352 d 2 h decky /trunk/kernel/generic/src/console/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/src/console/kconsole.c
2112 6352 d 2 h decky /trunk/kernel/generic/src/adt/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/src/adt/hash_table.c
2111 6352 d 2 h decky /trunk/kernel/generic/src/adt/ fix signed/unsigned comparison  
/trunk/kernel/generic/src/adt/btree.c
2110 6352 d 18 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 6353 d 3 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 6353 d 3 h jermar /trunk/kernel/generic/src/console/ Cleanup kconsole.c  
/trunk/kernel/generic/src/console/kconsole.c
2107 6353 d 17 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
2106 6354 d 1 h jermar /trunk/kernel/ Merge as_t structure into one and leave the differring parts in as_genarch_t.

Indentation and formatting changes in header files.
 
/trunk/kernel/arch/amd64/src/mm/page.c
/trunk/kernel/arch/amd64/src/pm.c
/trunk/kernel/arch/ia32/src/mm/page.c
/trunk/kernel/arch/ia32xen/src/mm/page.c
/trunk/kernel/arch/sparc64/include/mm/tsb.h
/trunk/kernel/genarch/include/mm/as_ht.h
/trunk/kernel/genarch/include/mm/as_pt.h
/trunk/kernel/genarch/include/mm/page_ht.h
/trunk/kernel/genarch/src/mm/as_pt.c
/trunk/kernel/genarch/src/mm/page_pt.c
/trunk/kernel/generic/include/adt/btree.h
/trunk/kernel/generic/include/adt/fifo.h
/trunk/kernel/generic/include/adt/hash_table.h
/trunk/kernel/generic/include/adt/list.h
/trunk/kernel/generic/include/console/chardev.h
/trunk/kernel/generic/include/console/kconsole.h
/trunk/kernel/generic/include/ddi/ddi_arg.h
/trunk/kernel/generic/include/ddi/irq.h
/trunk/kernel/generic/include/ipc/ipc.h
/trunk/kernel/generic/include/ipc/irq.h
/trunk/kernel/generic/include/ipc/sysipc.h
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/include/mm/buddy.h
/trunk/kernel/generic/include/mm/mm.h
/trunk/kernel/generic/include/mm/page.h
/trunk/kernel/generic/include/mm/slab.h
/trunk/kernel/generic/include/mm/tlb.h
/trunk/kernel/generic/include/proc/task.h
/trunk/kernel/generic/include/proc/thread.h
/trunk/kernel/generic/include/synch/condvar.h
/trunk/kernel/generic/include/synch/futex.h
/trunk/kernel/generic/include/synch/rwlock.h
/trunk/kernel/generic/include/synch/semaphore.h
/trunk/kernel/generic/include/synch/synch.h
/trunk/kernel/generic/include/synch/waitq.h
/trunk/kernel/generic/include/time/timeout.h
/trunk/kernel/generic/src/mm/as.c
2105 6358 d 2 h decky /trunk/kernel/ move ipc structures to ipc.h  
/trunk/kernel/arch/sparc64/include/mm/page.h
/trunk/kernel/generic/include/ipc/ipc.h
/trunk/kernel/generic/include/proc/task.h
2104 6358 d 4 h decky /trunk/kernel/generic/src/lib/ more fine order of magnitude display  
/trunk/kernel/generic/src/lib/func.c
2103 6358 d 19 h decky /trunk/kernel/generic/include/ move timeout_t to timeout.h
move other helper types to thread.h
 
/trunk/kernel/generic/include/proc/task.h
/trunk/kernel/generic/include/proc/thread.h
/trunk/kernel/generic/include/time/timeout.h
2102 6358 d 19 h decky /trunk/kernel/genarch/src/fb/ signed/unsigned comparison, explicit typecast  
/trunk/kernel/genarch/src/fb/fb.c
2101 6358 d 19 h decky /trunk/kernel/ fix signed/unsigned comparison and integer overflow  
/trunk/kernel/arch/ia32/include/smp/smp.h
/trunk/kernel/arch/ia32/src/smp/apic.c
/trunk/kernel/arch/ia32/src/smp/mps.c
/trunk/kernel/arch/ia32/src/smp/smp.c
/trunk/kernel/arch/ia32xen/src/smp/apic.c
/trunk/kernel/arch/ia32xen/src/smp/mps.c
/trunk/kernel/arch/ia32xen/src/smp/smp.c
/trunk/kernel/genarch/src/acpi/madt.c
2100 6358 d 20 h decky /trunk/kernel/ signed/unsigned comparison, explicit typecast  
/trunk/kernel/arch/amd64/src/debugger.c
/trunk/kernel/arch/ia32/src/mm/tlb.c
/trunk/kernel/genarch/src/acpi/acpi.c
2099 6358 d 21 h decky /trunk/kernel/arch/ia32/src/ explicit cast on pointer arithmetic  
/trunk/kernel/arch/ia32/src/userspace.c