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2183 6271 d 4 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 6275 d 22 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2142 6279 d 5 h jermar /trunk/kernel/generic/include/mm/ Remove out of date comment.  
2128 6323 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.
 
2126 6323 d 21 h decky /trunk/kernel/ small cleanup, more work coming  
2125 6324 d 0 h decky /trunk/ experimental support for Objective C
(disabled by default)
 
2124 6324 d 2 h decky /trunk/kernel/generic/ implement simple realloc()  
2122 6330 d 4 h decky /trunk/kernel/generic/ explicit typecast, fix signed/unsigned comparison  
2120 6330 d 5 h decky /trunk/kernel/generic/include/syscall/ specify syscall handler arguments  
2109 6331 d 8 h jermar /trunk/kernel/generic/ Revert thread_interrupt_sleep() to waitq_interrupt_sleep().
I'd prefer that this, IMO, waitq related stuff stays together.
 
2107 6331 d 22 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 6332 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 6336 d 7 h decky /trunk/kernel/ move ipc structures to ipc.h  
2103 6337 d 0 h decky /trunk/kernel/generic/include/ move timeout_t to timeout.h
move other helper types to thread.h
 
2098 6337 d 2 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2096 6337 d 2 h decky /trunk/kernel/generic/include/ move thread_t to thread.h  
2094 6337 d 2 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2093 6337 d 3 h decky /trunk/kernel/ spinlock extern declaration macro  
2092 6337 d 4 h decky /trunk/kernel/generic/include/ move cpu_t to cpu.h  
2090 6338 d 3 h decky /trunk/kernel/generic/include/proc/ cleanup garbage  
2089 6338 d 6 h decky /trunk/ huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
 
2085 6344 d 5 h decky /trunk/kernel/ typedef elimination  
2083 6344 d 6 h decky /trunk/kernel/ typedef elimination  
2081 6344 d 7 h decky /trunk/kernel/generic/include/ another typedefs to anonymous structs  
2080 6344 d 7 h decky /trunk/kernel/generic/include/ another typedef to anonymous enum  
2079 6345 d 1 h decky /trunk/kernel/ remove some typedefs in favor of anonymous structures  
2071 6348 d 23 h jermar /trunk/ (c) versus (C)  
2059 6372 d 8 h jermar /trunk/kernel/generic/ Improve indentation and formatting.  
2050 6378 d 10 h decky /trunk/kernel/ benchmarking with statistics (initial)  
2048 6381 d 1 h jermar /trunk/ Formatting and indentation changes.  
2042 6383 d 3 h decky /trunk/kernel/ introduce uncounted threads, whose accounting doesn't affect accumulated task accounting
run tests in kconsole thread again
 
2039 6383 d 7 h decky /trunk/kernel/generic/ accumulate task accounting, run tests as separate kernel task  
2031 6384 d 8 h decky /trunk/kernel/generic/include/proc/ fix comment  
2030 6384 d 8 h decky /trunk/kernel/ thread CPU cycles accounting  
2026 6385 d 21 h jermar /trunk/kernel/generic/include/ipc/ Improve comment.  
2025 6385 d 21 h jermar /trunk/ Coding style fixes.  
2019 6386 d 1 h decky /trunk/kernel/ prepare for new test infrastructure  
2015 6388 d 0 h jermar /trunk/ Rework support for virtually indexed cache.
Instead of repeatedly flushing the data cache, which was a huge overkill, refuse to create an illegal address alias
in the kernel (again) and allocate appropriate page color in userspace instead. Extend the detection also to
SYS_PHYSMEM_MAP syscall.

Add support for tracking physical memory areas mappable by SYS_PHYSMEM_MAP.

Lots of coding style changes.
 
2012 6390 d 21 h jermar /trunk/ Eliminate confusion between SYS_MAP_PHYSMEM and sys_physmem_map.
The syscall is to be called SYS_PHYSMEM_MAP from now on and the functions that participate in its implementation are
called *physmem_map().
 
2009 6392 d 23 h jermar /trunk/kernel/ Initial support for handling illegal virtual aliases on sparc64.