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Rev Age Author Path Log message Diff
3149 5811 d 19 h svoboda /branches/dynload/ Merge trunk changes up to r3071 into dynload (broken)  
3129 5816 d 13 h svoboda /branches/dynload/ initial ia64 support in iloader (broken)  
2986 5836 d 17 h svoboda /branches/dynload/kernel/generic/src/mm/ Declare old_frame as uintptr_t instead of int  
2985 5836 d 18 h svoboda /branches/dynload/ Fix as_area_change_flags() and use it in elf_loader.c  
2984 5836 d 19 h svoboda /branches/dynload/ Add as_area_change_flags() syscall and libc wrapper. Implementation limited to non-shared areas of anonymous memory.  
2927 5843 d 23 h decky /branches/dynload/ added dynload branch  
2745 5921 d 21 h decky /trunk/ code cleanup (mostly signed/unsigned)
allow extra compiler warnings		  
2647 5994 d 14 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.		  
2556 6072 d 22 h jermar /trunk/kernel/generic/ Rename as_get_size() to as_area_get_size() and add a doxygen comment.  
2183 6249 d 16 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.		  
2170 6254 d 10 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.		  
2141 6258 d 9 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.		  
2133 6259 d 13 h jermar /trunk/kernel/generic/src/mm/ Coding style and indentation fixes.  
2126 6302 d 10 h decky /trunk/kernel/ small cleanup, more work coming  
2125 6302 d 13 h decky /trunk/ experimental support for Objective C
(disabled by default)		  
2106 6310 d 19 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.		  
2094 6315 d 15 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2089 6316 d 19 h decky /trunk/ huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes		  
2087 6317 d 15 h jermar /trunk/kernel/ Indentaion and formatting changes even Martin will like :-)  
2071 6327 d 12 h jermar /trunk/ (c) versus (C)  

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