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2141 6294 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 6296 d 2 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 6296 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 6297 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 6331 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 6338 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 6338 d 12 h decky /trunk/kernel/generic/src/lib/ add forgotten implementation  
/trunk/kernel/generic/src/lib/objc.c
2126 6338 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 6339 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 6339 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 6345 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 6345 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 6345 d 7 h decky /trunk/kernel/generic/src/mm/ remove anonymous structure, add static qualifier  
/trunk/kernel/generic/src/mm/frame.c
2120 6345 d 7 h decky /trunk/kernel/generic/include/syscall/ specify syscall handler arguments  
/trunk/kernel/generic/include/syscall/syscall.h
2119 6345 d 7 h decky /trunk/kernel/generic/src/syscall/ explicit typecast  
/trunk/kernel/generic/src/syscall/syscall.c
2118 6345 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 6345 d 7 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
/trunk/kernel/generic/src/ddi/irq.c
2116 6345 d 8 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
/trunk/kernel/generic/src/ddi/ddi.c
2115 6345 d 8 h decky /trunk/kernel/generic/src/cpu/ fix signed/unsigned comparison  
/trunk/kernel/generic/src/cpu/cpu.c
2114 6345 d 8 h decky /trunk/kernel/generic/src/console/ explicit typecast  
/trunk/kernel/generic/src/console/cmd.c
2113 6345 d 9 h decky /trunk/kernel/generic/src/console/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/src/console/kconsole.c
2112 6345 d 10 h decky /trunk/kernel/generic/src/adt/ explicit typecast, fix signed/unsigned comparison  
/trunk/kernel/generic/src/adt/hash_table.c
2111 6345 d 10 h decky /trunk/kernel/generic/src/adt/ fix signed/unsigned comparison  
/trunk/kernel/generic/src/adt/btree.c
2110 6346 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 6346 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 6346 d 11 h jermar /trunk/kernel/generic/src/console/ Cleanup kconsole.c  
/trunk/kernel/generic/src/console/kconsole.c
2107 6347 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
2106 6347 d 9 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 6351 d 9 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 6351 d 11 h decky /trunk/kernel/generic/src/lib/ more fine order of magnitude display  
/trunk/kernel/generic/src/lib/func.c
2103 6352 d 2 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 6352 d 3 h decky /trunk/kernel/genarch/src/fb/ signed/unsigned comparison, explicit typecast  
/trunk/kernel/genarch/src/fb/fb.c
2101 6352 d 3 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 6352 d 3 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 6352 d 4 h decky /trunk/kernel/arch/ia32/src/ explicit cast on pointer arithmetic  
/trunk/kernel/arch/ia32/src/userspace.c
2098 6352 d 4 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
/trunk/kernel/generic/include/ipc/ipc.h
/trunk/kernel/generic/src/ipc/irq.c
/trunk/kernel/generic/src/ipc/sysipc.c
2097 6352 d 4 h decky /trunk/kernel/arch/ia32/src/smp/ fix signed/unsigned comparison  
/trunk/kernel/arch/ia32/src/smp/smp.c
2096 6352 d 4 h decky /trunk/kernel/generic/include/ move thread_t to thread.h  
/trunk/kernel/generic/include/arch.h
/trunk/kernel/generic/include/proc/task.h
/trunk/kernel/generic/include/proc/thread.h
2095 6352 d 4 h decky /trunk/kernel/arch/ia32/src/smp/ fix signed/unsigned comparison  
/trunk/kernel/arch/ia32/src/smp/mps.c
2094 6352 d 5 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
/trunk/kernel/generic/include/mm/as.h
/trunk/kernel/generic/src/mm/as.c