* 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
* Move struct tracing_stack_trace to tracing.h header.
* Add tracing_find_caller_in_stack_trace(). Helper function to get the
first return address of a stack trace that is not in one of the given
address ranges.
* Add AbstractTracingEntryWithStackTrace::StackTrace() getter.
* Add tracing_is_entry_valid(). Checks, based on the additionally given
time, whether a tracing entry is (probably) still in the tracing
buffer.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43070 a95241bf-73f2-0310-859d-f6bbb57e9c96
Move blocking the 0xcccccccc and 0xdeadbeef address ranges from heap to VM init
so that it also works when used in the slab allocator.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43047 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Introduce "paranoid" malloc/free into the slab allocator (initializing
allocated memory to 0xcc and setting freed memory to 0xdeadbeef).
* Allow for optional stack traces for slab object cache tracing.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43046 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Add an AbstractTraceEntryWithStackTrace that includes stack trace handling.
* Add a selector macro/template combo to conveniently select the right base
class depending on whether stack traces are enabled or not.
* Minor style cleanups.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43045 a95241bf-73f2-0310-859d-f6bbb57e9c96
instead of a mix of B_NOT_SUPPORTED and B_UNSUPPORTED. This allows checking for
a specific error code. Probably one of those should be phased out...
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43025 a95241bf-73f2-0310-859d-f6bbb57e9c96
often enough and simple enough to write that we should allow it.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42865 a95241bf-73f2-0310-859d-f6bbb57e9c96
be used to mark certain io interrupt vectors as reserved and to allocate from
the still free ones. It is a kernel private API for now though.
* Make the MSI code use that functionality instead of implementing its own which
slims it down considerably and also removes quite a bit of hardcoded knowledge
about the interrupt layout that didn't really belong there.
* Mark the various in-use interrupts as reserved from the components that
actually know about them (PIC, IO-APIC, SMP, APIC timer and interrupt setup).
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42832 a95241bf-73f2-0310-859d-f6bbb57e9c96
has no routing information but wasn't configured by the BIOS either. The
function will now only panic if a device that was previously configured would
not be so anymore after enabling the IO-APIC. Fixes#7971.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42795 a95241bf-73f2-0310-859d-f6bbb57e9c96
to a panic at boot.
* Make the panic message more explicit when there is no more room left.
This should hopefully fix#7869.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42715 a95241bf-73f2-0310-859d-f6bbb57e9c96
for message formatting
* adjust LocaleKit to use namespace 'icu', as ICU has been configured to no longer
use a version specific namespace
* adjust LocaleKit to general API changes in ICU 4.8
Note: all software using ICU (like WebPositive) needs to be rebuilt!
Note: the ICU package for PPC needs to be updated before it can be used!
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42638 a95241bf-73f2-0310-859d-f6bbb57e9c96
directory of a file without traversing leaf links (just like lstat()).
* Minor cleanup.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42620 a95241bf-73f2-0310-859d-f6bbb57e9c96
faster than before.
* This also solves a TODO in dladdr(), although I did not use
get_library_symbol() as I didn't quite see how that could fit as the comment
suggested; there is now a new function get_symbol_at_address() for this.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42598 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Rename of_support.h/cpp back to support.cpp as per Axel
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42498 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Rename a few variables to make more sense
* OF_FAILED is a signed int.. fix return of of_address_cells
* OF_FAILED is a signed int.. fix return of of_size_cells
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42497 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Add header file to support of_support.cpp
* Add support functions to obtain address and size cell lengths
* Small style cleanups
* Add support for G5 PowerPC cpus...
* Refactor memory region code to be aware of 64-bit OF addresses.
As-is the boot loader wouldn't start on G5 systems because
OpenFirmware memory base addresses are stored as two 32-bit
unsigned int 'cells' vs one 32-bit unsigned int 'cell' on G3/G4.
I removed the static struct and replaced it with a template
and pass uint32 or uint64 depending on the address cell size.
Thanks for the idea DeadYak!
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42486 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Style fixes as per Axel
* Reintroduce removed OF_FAIL checks
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42460 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Detect OpenBIOS used in QEMU and set machine flag
(OpenBIOS isn't 1:1 Apple OpenFirmware)
* Show at boot which machine type is detected
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42459 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Clean up messge and error text
* Begin use B_PRI* macros
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42449 a95241bf-73f2-0310-859d-f6bbb57e9c96
introduced in r37701 was not taken into account for computing the short meta
chunk size. Fixes the reopened#6237.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42385 a95241bf-73f2-0310-859d-f6bbb57e9c96
512 bytes with a heap page of 2048 bytes resulting in excessive waste for
allocations between 512 and 1023 bytes. Also tune the requested alignment so
that sizeof(port_message) (currently 28 bytes) can occupy one allocation unit
without waste.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42340 a95241bf-73f2-0310-859d-f6bbb57e9c96
resize operation that has to be undone and may fail when doing so.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42332 a95241bf-73f2-0310-859d-f6bbb57e9c96
we have to enlarge/shrink the array that holds them and assign a protection
value for the additional pages as necessary. Otherwise we'll access invalid
memory when looking up page protections for enlarged areas and get random
protection values.
Experienced with QEMU that sets page protections via mprotect on heap memory.
When the heap was later enlarged, write access to the additional memory would
result in permission denied errors and crashes.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42330 a95241bf-73f2-0310-859d-f6bbb57e9c96
debugger. As sInDebugger is already > 0 when the first CPU enters KDL, code
from other CPUs might see debug_debugger_running() == true already before they
enter the debugger.
* Instead, move the sDebuggerOnCPU setting out of the debugger loop and hold the
value until after calling exit_kernel_debugger() so that the exit hooks still
see debug_debugger_running() == true.
* Also avoid calling exit_kernel_debugger() when we've been called recursively
(previousCPU != -1). Previously the exit hooks would've been called and the
debugger state reset erroneously. To balance the missing decrement of
sInDebugger in that case we decrement sInDebugger in enter_kernel_debugger()
also when detecting the recursion case.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42320 a95241bf-73f2-0310-859d-f6bbb57e9c96
running. The former has a broader scope and lasts until the debugger exit is
actually done whereas the latter is already reset when the inner loop is exited.
This fixes the issue Ingo saw where the USB physical memory manager wasn't able
to free resources used for the debug transfer. It has reserved debug memory that
it uses depending on debug_debugger_running() and was therefore confused when
it returned false when called from the kernel debugger module exit hook.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42319 a95241bf-73f2-0310-859d-f6bbb57e9c96
enabled as well. As this heap implementation is still used for the port heap
(as it handles B_NO_LOCK areas) those are still useful.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42278 a95241bf-73f2-0310-859d-f6bbb57e9c96
last byte of an unmapped-but-still-there page non-readable (i.e. from B_NO_LOCK
areas), causing such reads to fail in KDL.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42276 a95241bf-73f2-0310-859d-f6bbb57e9c96
previously just always write over the beginning of the buffer for each vector.
Since the writev version isn't exposed to userland by means of a syscall and
kernel internally nobody used it, nobody noticed so far.
* Merge the two loops for user and kernel copy to remove the code duplication.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42273 a95241bf-73f2-0310-859d-f6bbb57e9c96
the acquired quota in sTotalSpaceInUse wasn't released in all cases leading to
it eventually reaching the limit (after a _very_ long time though, so this is
more theoretical than anything else). The sAllocatingArea flag wasn't reset in
the case that an area was already added in the meantime, resulting in no
further growing being possible. Then there were race conditions between
waiting for space to become available and the situations which made that space
available (freeing port_messages and adding new areas).
* Fix these race conditions by using a mutex (sPortQuotaLock) to protect the
various quota and allocation related variables. Instead removed the atomic_*
operations that were previously used.
* Had to move some static functions around.
Should make port heap growing more robust, even though in normal use you'll
likely never encounter it...
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42272 a95241bf-73f2-0310-859d-f6bbb57e9c96
APIC enumeration. As the local APIC is the basis for inter-CPU communication, we
can't do SMP when it's absent.
Fixes#7692, but indeed it makes no real sense for QEMU to provide the APIC info
in the MP and ACPI tables (and actually emulate the hardware) when it disables
the APIC support flag at the same time.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42215 a95241bf-73f2-0310-859d-f6bbb57e9c96
specified the syscall error code B_WOULD_BLOCK would no longer be mapped to 0.
Fixes#7693.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42188 a95241bf-73f2-0310-859d-f6bbb57e9c96
arguments and environment. Fixes failures to start programs in case the space
available through rounding to full page sizes wasn't sufficient.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42184 a95241bf-73f2-0310-859d-f6bbb57e9c96
exit info with some generic status.
* team_create_thread_start(), common_thread_entry(): Initializes the team's
exit info (if that's the main thread) before calling thread_exit(). Fixes
#7686.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42183 a95241bf-73f2-0310-859d-f6bbb57e9c96
how one could actually apply different speeds, make cf{set|get}{i|o}speed() use
the c_cflag field with the CBAUD mask instead.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42160 a95241bf-73f2-0310-859d-f6bbb57e9c96
before assuming we have data. If the I/O port isn't valid (e.g. because there
is no serial port) 0xff seems to be a typical value to read. In that case fail.
Fixes KDL input on machines without serial port -- kgetc() would always think
it read something from the serial port, never trying any other input.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42153 a95241bf-73f2-0310-859d-f6bbb57e9c96
partition_module_info::uninitialize().
* Implemented the hook for BFS.
* Implemented KFileSystem::Uninitialize().
Fixes failure to initialize a BFS initialized device with an intel partition
map.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42142 a95241bf-73f2-0310-859d-f6bbb57e9c96
destroy the partitioning system's on-disk structure.
* Adjusted the existing partitioning system implementations accordingly.
Actually implemented the hook for the intel partitioning system.
* Added Uninitialize() method to KDiskSystem and KPartitioningSystem. The latter
implements the method calling the new module hook.
* _user_uninitialize_partition(): Also let the disk system uninitialize the
on-disk structure.
This fixes the failure to initialize a disk device with BFS, when it contains a
valid partition map with at least one partition.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42140 a95241bf-73f2-0310-859d-f6bbb57e9c96
disk system, if the partition already has a disk system set. This can happen
when the disk system's initialization function is lazy and just lets the DDM
rescan the partition. In bad cases the previous disk system has a higher
priority than the new one and, if its on-disk structures have not been
destroyed, it will win the rescan. Not setting the disk system in such cases at
least leaves the partition object in a consistent state.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42139 a95241bf-73f2-0310-859d-f6bbb57e9c96
its size.
* Added "Display current boot loader log" item to the "Debug Options" boot
loader menu. It displays what the boot loader has logged so far. Might be
interesting for early boot issues when serial debugging is not possible.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42134 a95241bf-73f2-0310-859d-f6bbb57e9c96
* If we detect ACPI 2.0 or higher, the spec says we should use the XSDT rather
than the RSDT. Attempt to do so, falling back to the RSDT if the former fails
to be mapped/validated.
* Refactored acpi_find_table into a templated version to account for the fact
that the XSDT exports different pointer widths for its links to other tables
than the RSDT.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42133 a95241bf-73f2-0310-859d-f6bbb57e9c96
address protection bits as well as the wiring flags for an arbitrary address
in a team's address space. Will be used in the debugger for the purposes
of the memory inspector/editor, in order to determine whether it can in fact
allow editing for the currently inspected address range.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42129 a95241bf-73f2-0310-859d-f6bbb57e9c96
which don't wait for a character, but return -1 when no character is
available ATM. Implemented correctly for x86 only.
* Changed the semantics of the debugger_module_info::debugger_getchar() hook.
It is supposed to return immediately now.
* Adjusted usb_keyboard accordingly. Hacked UHCI's debug_process_transfer() to
achieve that. It does now start, check, or cancel a transfer. Split
UHCI::ProcessDebugTransfer() into StartDebugTransfer(), and
CheckDebugTransfer() accordingly, and also added a CancelDebugTransfer().
The latter seems to have issues. Michael, please have a look. I have no clue
what I'm doing. :-)
* Adjusted kgetc() to poll all possible inputs using the new
functions/semantics. This allows to use any input (USB, PS/2, serial) in KDL.
* Removed the no longer needed "serial_input" command.
* read_line(): Also support 0x7f as backspace code. That's what xterm sends.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42126 a95241bf-73f2-0310-859d-f6bbb57e9c96
trunk. The interesting part of r42122 was already fixed in the trunk, though.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42124 a95241bf-73f2-0310-859d-f6bbb57e9c96
actually misleading, since it specifies the length of the xsdt rather than the rsdt. Furthermore, it is only available if the BIOS reports ACPI version 2.0 or greater. Since we don't currently support the XSDT, we can't rely on that field and have to resort to the previous approach of mapping the RSDT header in order to determine the length of the RSDT itself.
Also add validation of the RSDT's checksum so we don't get tripped up by BIOS's with broken tables.
Should fix boot problems that were introduced by r42105.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42118 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Reorganized the kernel locking related to threads and teams.
* We now discriminate correctly between process and thread signals. Signal
handlers have been moved to teams. Fixes#5679.
* Implemented real-time signal support, including signal queuing, SA_SIGINFO
support, sigqueue(), sigwaitinfo(), sigtimedwait(), waitid(), and the addition
of the real-time signal range. Closes#1935 and #2695.
* Gave SIGBUS a separate signal number. Fixes#6704.
* Implemented <time.h> clock and timer support, and fixed/completed alarm() and
[set]itimer(). Closes#5682.
* Implemented support for thread cancellation. Closes#5686.
* Moved send_signal() from <signal.h> to <OS.h>. Fixes#7554.
* Lots over smaller more or less related changes.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42116 a95241bf-73f2-0310-859d-f6bbb57e9c96
so map the whole table without freeing and remapping later
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42105 a95241bf-73f2-0310-859d-f6bbb57e9c96
exceptions (page faults and the like). The handler dumps possibly interesting
information (registers, a (numerical) stack trace) to the serial output, and,
if possible, also to the screen. That should help debugging boot loader
crashes.
* For the IDT the boot loader sets up for the kernel the descriptors are set up
the same way, so until the kernel initializes the IDT itself (arch_init()) the
facility is still in place and can thus catch very early kernel boot crashes.
Unfortunately the on-screen output doesn't seem to work anymore at that point,
so the output only goes to the serial port...
* ... and to the debug syslog -- dprintf() does now append it there after
debug_cleanup() has been called. Seems to work fine in qemu, but when I tested
it on real hardware the debug syslog was gone.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42092 a95241bf-73f2-0310-859d-f6bbb57e9c96
regression), since the tables are bigger than that.
Accessing unmapped memory was doing bad things on
XenServer.
Fixes ticket #7497.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42068 a95241bf-73f2-0310-859d-f6bbb57e9c96
is now searched before the LIBRARY_PATH/ADDON_PATH. Fixes#7638.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41903 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Added an arch_debug_gdb_get_registers() interface that is supposed to provide
the register values in the format expected by gdb and implemented it for x86.
* Reimplemented gdb_regreply() to use that. Also made it buffer overflow safe.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41880 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Fix a warning about pci_address::segment potentially being used uninitialized.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41760 a95241bf-73f2-0310-859d-f6bbb57e9c96
check if all of them are assigned with a routing entry. If not, as happens for
PCI add-on cards that ACPI isn't aware of for example, infer the routing by
calculating it from the PCI default routing and going up through the parents
until a matching routing entry is found. Fixes#7520.
* This will also panic (for now) in case there remain unroutable devices and
eventually will prevent the IO-APIC to be used in these cases.
* Enabled some debug output.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41758 a95241bf-73f2-0310-859d-f6bbb57e9c96
cases such as USB keyboards where the keyboard no longer functions once the
kernel is entered and the USB stack initializes.
Implements #7561.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41736 a95241bf-73f2-0310-859d-f6bbb57e9c96
actually be a bridge. We always want to check if the device at hand is a PCI
bridge, because in that case we need to recurse further down. We recurse now
even if there is no routing table found for the current bridge, since that
doesn't mean that another bridge, further below, can't have a routing table
again. Possibly fixes#7520.
* Fix the matching function to just check for function 0 to be present instead
of classifying it. Previously if there happened to be a cardbus bridge on
function 0 of a multi function device, the rest of the functions of the device
would've been ignored because we returned early due to the unsupported bridge.
* Only hand down the current bus number when recursing as that makes it clearer
what's going on instead of handing in a partially filled out pci_address
structure and then filling in other parts inside the function.
* Commented out getting the segment number as we don't support it at all.
* Extended debug output.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41726 a95241bf-73f2-0310-859d-f6bbb57e9c96
menu item it's associated with rather than an input string. This allows it
to calculate the position to start the input at, as well as the correct
line to place it on. The previous solution always put the input at the
center line, which happened to be the right place by happy coincidence
unless one also had the menu items for viewing/saving the debug syslog
present.
* Implement input buffer scrolling, and consequently lift the previous size
limit on user input (it is now only limited by the size of the passed in
buffer).
* Implement parsing of the input buffer to allow it to handle comma-separated
options. Thus, one can now input things like "disable_smp true, serial_debug_output false"
and it will be handled properly.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41706 a95241bf-73f2-0310-859d-f6bbb57e9c96
ones that aren't masked. This reversed the enabled interrupts and therefore
disabled the already installed ACPI SCI handler and wrongly enabled the other
interrupt pins instead on PIC to IO-APIC handover. Probably fixes#7525.
+r1alpha3
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41685 a95241bf-73f2-0310-859d-f6bbb57e9c96
generator). There are chipsets (namely ATI/AMD SBx00) where mode 2 doesn't seem
to work (the counter isn't reloaded after the countdown has completed). Mode 0
has the same resolution as mode 2 and, as interrupts are disabled at this point
in booting, is otherwise equivalent as well. I've tested this on 5 machines
available to me and it doesn't seem to have any negative effect.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41683 a95241bf-73f2-0310-859d-f6bbb57e9c96
With that we will usually start right away without having to wait for the
timer to be in the desired state, which removes roughly 116ms of spinning
around for a normal calibration run.
* Read back the value once after programming. The delay this introduces
accounts for the fact that the counter will only start counting down on the
next clock cycle.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41680 a95241bf-73f2-0310-859d-f6bbb57e9c96
bound to prevent spinning forever if we have a very unstable TSC that we
simply can't calibrate. Shouldn't really happen though.
* Set the gate low for channel 2 on exit if we used it as the counter.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41678 a95241bf-73f2-0310-859d-f6bbb57e9c96
copies of it with a call to that.
* Make the variable names more readable and spacing cleanup.
No functional change intended.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41670 a95241bf-73f2-0310-859d-f6bbb57e9c96
timer code has such definitions too, but they're not quite as verbose. Will
eventually make the latter use these too.
* Prepare for possibly using other PIT channels for the calibration. Right now
everything's the same still.
* Add disabled print of the resulting factors.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41669 a95241bf-73f2-0310-859d-f6bbb57e9c96
active config and update the info for the remaining shared link device
entries. Seen on KVM for the (PCI) ACPI interrupt, but happens where there is
no _SRS method for a device (as this one is optional). I find that a bit
strange however as in such a case no _PRS (possible resources) should be
present either, especially not one advertising a config different from the
current one.
* Print the routing table later, after enabling irq routing, so that possible
changes due to such a fallback are included.
* Fix a typo.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41652 a95241bf-73f2-0310-859d-f6bbb57e9c96
