Validate the candidate child device a bit more by checking the device ID
and the base and subclass of the device. We don't even know if the child
is still on the PCI bus and some firmware may mark disabled devices by
simply invalidating one of these values. Possibly fixes#8111.
Added TODO concerning that we might not want to fail at all since we
ensure that we matched all devices after routing preparation at which
state we would notice any missing child devices anyway.
While the log of hrev35726 says that unusable page ranges are supposed
to be marked with PAGE_STATE_UNUSED and allocated ones with
PAGE_STATE_WIRED, both actually marked with PAGE_STATE_UNUSED.
When limiting the available memory by reducing the page count it may not
be enough to just limit sNumPages. Depending on the physical memory map
non existing pages between ranges (sNonExistingPages) would still be
added up and later subtracted from the sNumPages, resulting in a wrong
max page count. Also due to the fixed removal of non existing page
ranges the actually available memory would usually not be the amount
set via LIMIT_AVAILABLE_MEMORY.
Instead we now calculate the available memory when going through the
physical memory ranges and limit/exit as soon as we've reached the
desired amount of available memory (also ignoring further non-existing
pages).
* Ensure that we don't underflow the used_pages count and that used
+ cached pages don't overflow max_pages. As there is no locking the
values may change while we read them so that such situations could
arise.
* Make the TODO about the missing locking into a Note explaining the
above, as it is not really worth adding locking here. The stats are
only informational.
CFE is used in the upcoming Amiga X-1000 dualcore PPC board.
* Largely inspired by the OF and U-Boot code.
* Still largely stubbed out.
* The loader builds but I don't have a machine to test it. Anyone interested?
* The altered used pages calculation of hrev43168 wasn't correct, as
the inactive page queue may (validly) contain mapped pages as well.
Those would then get counted twice (as they are included in
gMappedPagesCount already).
Instead we calculate the used pages from the total page count, minus
everything we account for otherwise. Doing it this way is possible
without introducing any additional counters, as all the counts to
subtract are already present (as opposed to some of the ones that
would be needed for adding the counts up). Fixes#8109.
* Added TODO regarding the problem of not locking any of the counters
which runs the risk of them getting modified while we haven't yet read
all of them.
* Subclass ConsoleNode as VTConsole
* use it to implement SerialConsole
* Use it as the default console for now to simplify debugging.
VTConsole could probably be factored out into boot/platform/generic/ someday.
* Also reset the local and IO APIC base physical addresses when configuration
failed.
Should fix#8102, but is otherwise untested for lack of old enough hardware.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43217 a95241bf-73f2-0310-859d-f6bbb57e9c96
They were too small for all the fields added. This is why the system
profiler skipped "thread added" notifications.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43216 a95241bf-73f2-0310-859d-f6bbb57e9c96
get_iframe_registers() in arch_user_debugger.cpp return the correct
eax/edx values also when the kernel was entered via an exception that
doesn't push an error code (e.g. page fault).
Fixes incorrect eax and edx values shown in Debugger and variable values
based on them.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43201 a95241bf-73f2-0310-859d-f6bbb57e9c96
of the slab code. It is generic as it only contains the link to a tracing entry
and not any application specific info.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43188 a95241bf-73f2-0310-859d-f6bbb57e9c96
Wastes a bit less time allocating pages for nothing, and makes debugging
mmu support less verbose as well.
The (gunzipped) tar file is still less than 4MB and will never be 8MB
realistically anyway.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43183 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Turn VMCache::consumers C list into a DoublyLinkedList.
* Use object caches for the different VMCache types and the VMCacheRefs.
The purpose is to reduce slab area fragmentation.
* Requires the introduction of a pure virtual VMCache::DeleteObject()
method, implemented in the derived classes.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43133 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Add "allocation_infos" KDL command. Can be used to print the allocation info,
including the stack trace, given an object cache, slab, allocation within a
slab or allocation address. It can also optionally be filtered by team/thread.
* Fix the AllocationDetailPrinterCallback to not access a possibly invalid
trace entry for printing a stack trace.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43118 a95241bf-73f2-0310-859d-f6bbb57e9c96
Add MemoryManager::DebugObjectCacheForAddress() to retrieve the ObjectCache for
a certain address from KDL.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43117 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Introduce TracingMetaData::IsInBuffer() to validate that a certain memory
range is within the valid tracing buffer limits.
* Use that when validating in tracing_is_entry_valid() before trying to access
the entry, resolving a TODO.
* Validate the candidate time against the handed in time (if specified) as an
additional check.
* Tiny unrelated text cleanup.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43116 a95241bf-73f2-0310-859d-f6bbb57e9c96
return a stack trace when tracing is disabled we don't really need to be able
to print one either.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43088 a95241bf-73f2-0310-859d-f6bbb57e9c96
* AllocationTrackingCallback::ProcessTrackingInfo(): Also pass the
allocation pointer.
* "allocations_per_caller" KDL command: Add option "-d". When given,
each allocation for the specified caller is printed, including the
respective stack trace.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43087 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Add TraceOutput::PrintArgs(), a va_list version of Print().
* Move code of TraceOutput::Print() to new private template function
print_stack_trace().
* Add public tracing_print_stack_trace().
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43085 a95241bf-73f2-0310-859d-f6bbb57e9c96
Refactor the "allocations_per_caller" KDL command related functions.
They expect an instance of a class implementing the new
AllocationTrackingCallback interface, now. The only implementation ATM
is AllocationCollectorCallback, which does the work the now removed
slab_debug_add_allocation_for_caller() did before.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43082 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Fix build broken in r43078. The slab_debug_add_allocation_for_caller()
wasn't guarded correctly.
* slab_debug_add_allocation_for_caller(): Add bool resetAllocationInfos
parameter, which makes the function clear the allocation tracking
infos after processing the data.
* "allocations_per_caller" KDL command: Add option "-r" to reset the
allocation tracking infos. The next invocation of the command will
only show the allocations made after the reset.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43079 a95241bf-73f2-0310-859d-f6bbb57e9c96
* dump_allocations_per_caller(): Compute the total allocation count and
size from the caller infos instead of using return arguments in the
helper functions called.
* Move caller info update code from analyze_allocation_callers() to new
function slab_debug_add_allocation_for_caller(), so it can be reused.
* Add MemoryManager::AnalyzeAllocationCallers() to collect the
allocation information for the memory manager.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43078 a95241bf-73f2-0310-859d-f6bbb57e9c96
Added a comment about the Milan clone which uses the mmu in the BIOS to emulate Atari hardware, and the Transparent Translation registers to map the PCI bus, which screws up with our current code.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43073 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Add optional stack trace capturing for slab memory manager tracing.
* Add allocation tracking for the slab allocator (enabled via
SLAB_ALLOCATION_TRACKING). The allocation tracking requires tracing
with stack traces to be enabled for object caches and/or the memory
manager.
- Add class AllocationTrackingInfo that associates an allocation with
its respective tracing entry. The structure is added to the end of
an allocation done by the memory manager. For the object caches
there's a separate array for each slab.
- Add code range markers to the slab code, so that the first caller
into the slab code can be retrieved from the stack traces.
- Add KDL command "allocations_per_caller" that lists all allocations
summarized by caller.
* Move debug definitions from slab_private.h to slab_debug.h.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43072 a95241bf-73f2-0310-859d-f6bbb57e9c96
