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2134 6299 d 1 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.		  
2129 6334 d 0 h jermar /trunk/ Fix small problem in sparc64 port.

Bump version to 0.2.0.4 (Sunset).		  
2128 6341 d 1 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.		  
2125 6342 d 0 h decky /trunk/ experimental support for Objective C
(disabled by default)		  
2110 6348 d 23 h jermar /trunk/kernel/arch/ia64/ Minor cleanup in ia64.  
2107 6349 d 23 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.		  
2106 6350 d 7 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.		  
2105 6354 d 8 h decky /trunk/kernel/ move ipc structures to ipc.h  
2101 6355 d 1 h decky /trunk/kernel/ fix signed/unsigned comparison and integer overflow  
2100 6355 d 2 h decky /trunk/kernel/ signed/unsigned comparison, explicit typecast  
2099 6355 d 2 h decky /trunk/kernel/arch/ia32/src/ explicit cast on pointer arithmetic  
2097 6355 d 2 h decky /trunk/kernel/arch/ia32/src/smp/ fix signed/unsigned comparison  
2095 6355 d 3 h decky /trunk/kernel/arch/ia32/src/smp/ fix signed/unsigned comparison  
2091 6356 d 3 h jermar /trunk/kernel/arch/sparc64/src/ Fix creating the kkbdpoll() kernel thread on sparc64 SMP machines.
This fixes Ticket #19.		  
2089 6356 d 7 h decky /trunk/ huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes		  
2087 6357 d 3 h jermar /trunk/kernel/ Indentaion and formatting changes even Martin will like :-)  
2083 6362 d 7 h decky /trunk/kernel/ typedef elimination  
2082 6362 d 7 h decky /trunk/ __asm__ __volatile__ -> asm volatile  
2079 6363 d 2 h decky /trunk/kernel/ remove some typedefs in favor of anonymous structures  
2078 6363 d 4 h jermar /trunk/kernel/arch/sparc64/src/ When invalidating entire TLBs on sparc64, make sure to also invalidate any (locked) global entries.
This fixes Ticket #21.
Fix a comment in start.S stating that the kernel installs a global entry for itself. All entries installed by the kernel
are local to some memory context.		  

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