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Rev Age Author Path Log message Diff
2285 6240 d 4 h jermar /trunk/kernel/generic/src/proc/ Formatting and indentation fixes.  
2275 6244 d 21 h decky /trunk/kernel/generic/ add fancy uptime kconsole command  
2272 6245 d 21 h jermar /trunk/kernel/ Indentation and formatting fixes.  
2268 6246 d 20 h jermar /trunk/kernel/generic/ Document and assert proper usage of THREAD_FLAG_WIRED.
Original patch by Jan Hudecek.		  
2229 6256 d 2 h jermar /trunk/ Revert some of the changes introduced in revision 2209.
I think it is not correct to remove serialization of pseudo threads in printf_core.c.
With thread-level futex serialization, several pseudo threads running in one thread could easily deadlock
the task.

Add a dedicated futex serialization to thread1.c test only.		  
2227 6256 d 9 h decky /trunk/kernel/ start shutdown infrastructure  
2224 6256 d 16 h decky /trunk/kernel/generic/src/console/ detach joined thread  
2223 6256 d 16 h decky /trunk/kernel/generic/src/ add mcall0 command (calling a function on each CPU)  
2222 6256 d 19 h decky /trunk/kernel/ map kernel pages explicitly as writable (this solves compatibility issues with Intel Core 2)
make VESA framebuffer initialization more robust		  
2218 6257 d 16 h decky /trunk/kernel/ support the possibility to send EOI or Interrupt Acknowledgement
prior to processing the interrupt
(this is essential on some architectures to prevent preemption deadlock)		  
2216 6257 d 19 h decky /trunk/ make thread ID 64 bit (task ID is 64 bit already)
cleanup thread syscalls		  
2211 6257 d 21 h decky /trunk/kernel/generic/src/synch/ reflect the renaming of printflock to printf_lock  
2208 6257 d 22 h decky /trunk/kernel/generic/ use spinlock only on console output, not other print functions
cleanup		  
2187 6259 d 3 h decky /trunk/kernel/generic/ add syscall for getting current thread ID  
2185 6259 d 3 h decky /trunk/ rename ipcc to tester  
2184 6259 d 5 h decky /trunk/kernel/generic/src/lib/ add zetta (sextillion) prefix
make constants explicitly unsigned		  
2183 6259 d 23 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 6264 d 17 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 6268 d 0 h jermar /trunk/kernel/generic/include/mm/ Remove out of date comment.  
2141 6268 d 16 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.		  

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