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Rev Age Author Path Log message Diff
4692 5555 d 2 h svoboda /branches/tracing/ Merge trunk changes up to r4686.  
3624 5824 d 9 h svoboda /branches/tracing/kernel/ Move debbuging-related as functions to a separate module.  
3431 5892 d 0 h svoboda /branches/tracing/kernel/ Add configuration option CONFIG_UDEBUG to compile udebug in the kernel or not.  
3425 5892 d 11 h svoboda /branches/tracing/ Merge latest trunk changes into tracing (broken)  
3036 5999 d 4 h svoboda /branches/tracing/kernel/generic/ Make sure area written by debugger is private and anonymous by copying it, if necessary. (Not atomic atm)  
3013 6003 d 12 h svoboda /branches/tracing/kernel/generic/ Bypass area write-protection for udebug memory writes.  
2787 6065 d 5 h decky /branches/tracing/ add dynamic linking, debugging and tracing branch  
2745 6094 d 9 h decky /trunk/ code cleanup (mostly signed/unsigned)
allow extra compiler warnings		  
2556 6245 d 10 h jermar /trunk/kernel/generic/ Rename as_get_size() to as_area_get_size() and add a doxygen comment.  
2183 6422 d 5 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 6426 d 23 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.		  
2142 6430 d 6 h jermar /trunk/kernel/generic/include/mm/ Remove out of date comment.  
2126 6474 d 22 h decky /trunk/kernel/ small cleanup, more work coming  
2125 6475 d 1 h decky /trunk/ experimental support for Objective C
(disabled by default)		  
2107 6482 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 6483 d 8 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 6488 d 3 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2093 6488 d 4 h decky /trunk/kernel/ spinlock extern declaration macro  
2089 6489 d 7 h decky /trunk/ huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes		  
2071 6500 d 0 h jermar /trunk/ (c) versus (C)  

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