now run under BeOS as well (as long as they don't use any functions that are not
available under R5).
The solution is a bit messy, but we have to live with it :-)
The runtime loader now patches the __gRuntimeLoader symbol in libroot.so to point
to its exported structure instead of passing it to the init functions as an
argument.
(Hax0red by axeld and bonefish on stippi's assimilated machine -- resistence is futile)
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device in the Open Firmware implementation of boot loader and
pass its path to the kernel, where it's opened and used for
getting/setting the real time. The expensive atomic_*64() on PPC
32-bit make things a bit more complicated. Moreover, missing
64 bit multiplication and division instructions won't really
allow system_time() to be anywhere near as fast as on x86. :-/
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substructure now (that's the only member actually). The system time
offset is therefore accessed via architecture specific accessor
functions.
Note, that this commit breaks the PPC build. Since I want to rename at
least one file I've already changed, I can't avoid that.
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* Fixed BShelf::_AddReplicant(), at least a bit. I managed to add the "ScreenChanger"
icon to the tray, although the icon was not drawn, and it was on the wrong
position.
* _AddReplicant() also did not reply to the waiting message source in case
of failure.
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(year, month,...) representation out of the x86 specific code and put
respective support functions into real_time_clock.c. We'll need those
for the PPC specific part too.
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Basically the architecture specific code is now responsible to
init and make use of the platform specific code, now. The reason
being that we have only one kernel per platform and thus cannot
decide at compile time, which platform to use (if any).
The PPC implementation features an abstract base class PPCPlatform
(implemented for all supported platforms) through which platform
support is provided.
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bus, and time base frequency) in the PPC boot loader, and propagate
them to the kernel via kernel_args.
* Now we use the correct time base frequency for timer calculations.
* Implemented PPC specific system info stuff. Added a few PPC CPU
types to <OS.h>.
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remapping stuff into separate functions and made them available to
others.
* Remap the exception handler space in arch_int_init_post_vm() into the
kernel address space (same issue as with the page table).
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According to the spec we need to set it before taking over the MMU,
but we can't call it before arch_mmu_init(), since we need the OF
to allocate the page table. So we do it after we have allocated
the new page table.
* Added PPC specific kernel_args: The virtual address ranges we want
to keep in the kernel. We fill that in with the translations we
find when initializing the MMU stuff. We remove the memory the
boot loader occupies from those. Besides the stack for the boot
loader only the OF stuff remains.
* arch_mmu_allocate() now starts to search at KERNEL_BASE for a free
virtual address when no particular address is requested. This saves
us further trouble in the kernel, since those allocations would
need to be remapped otherwise.
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brick wall collisions. Along the way I found a few defines that no longer
exist in Haiku - changed B_BEOS_VERSION_DANO to use Haiku versions (anyone
rebuilding under Dano might want to undo it). By the way, the BeOS version
number define system might be worth using, since it's a numerical compare
rather than #if defined(V1) || defined (V2) || defined (V3) and so on.
What sort of errors? Besides needing libzeta.so for some things, the
networking compatibility compile doesn't work (libbind and all that).
Some examples among many:
In file included from /boot/home/Haiku/src/kits/mail/numailkit.cpp:14:
/boot/develop/headers/be/support/Autolock.h:3: using directive `BAutolock' introduced ambiguous type `BAutolock'
In file included from /boot/home/Haiku/src/kits/network/compat/libnet/netdebug.c:6:
/boot/home/Haiku/headers/private/net/netdebug.h:32: syntax error before `void'
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the fact that I couldn't find ptesync in an otherwise more complete
documentation I downloaded yesterday made me suspicious.
* arch_cpu_global_TLB_invalidate() uses tlbia now. The instruction is
optional, but so is tlbie (how I understood it is that both exist,
when the architecture implementation has a TLB). And the former loop
looked just scary.
* Implemented arch_cpu_user_TLB_invalidate(). It does just the same as
arch_cpu_global_TLB_invalidate().
* Some changes with respect to synchronization required on page table
and segment register updates.
* Some more minor renaming. Pulled a new function
remove_page_table_entry() out of unmap_tmap().
* In arch_vm_translation_map_init_post_area() we do now remap the page
table into the kernel address space, if it was without before. The
page table might actually be a good application for BAT, though.
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{HAIKU,HOST,TARGET}_KERNEL_PIC_{CC,LINK}FLAGS which define the
compiler/linker flags specifying the kind of position independence
the kernel shall have. For x86 we had and still have -fno-pic, but the
PPC kernel has -fPIE (position independent executable) now, as we
need to relocate it.
* The boot loader relocates the kernel now. Mostly copied the relocation
code from the kernel ELF loader. Almost completely rewrote the PPC
specific relocation code, though. It's more correct and more complete now
(some things are still missing though).
* Added boot platform awareness to the kernel. Moved the generic
Open Firmware code (openfirmware.c/h) from the boot loader to the kernel.
* The kernel PPC serial debug output is sent to the console for the time
being.
* The PPC boot loader counts the CPUs now and allocates the kernel stacks
(made OF device iteration a bit more flexible on the way -- the search
can be restricted to subtree). Furthermore we really enter the kernel...
(Yay! :-) ... and crash in the first dprintf() (in the atomic_set()
called by acquire_spinlock()). kprintf() works, though.
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* Less flickering when drawing the label: the area of the label is now
clipped, so there is no need to fill the background again.
* Consumed the last reserved member for the bounding box of the label.
* More or less rewrote the header.
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as only the BitmapManager class is allowed to call them.
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specifying whether only the exact supplied address is acceptable. If
false, the address is considered a hint only. It will be picked, if
available, otherwise a greater address is tried to be acquired, and
as last resort any address. This feature is only implemented for PPC.
It is needed since the preferred kernel text base address 0x80000000
might not be available (and actually isn't on my Mac mini).
* Fixed a bug in the PPC memory management code:
is_{virtual,physical}_allocated() were checking whether the given
range was completely contained by an existing range instead of
checking for intersection. As a consequence we could (and did) allocate
a range intersecting with already allocated ranges. The kernel segment
thus overwrote OF memory for instance.
* The ELF loader makes sure that it got both text and data segment of
the image to be loaded.
The PPC boot loader successfully loads kernel and modules now. Next
comes the hard part, I'm afraid.
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IP, and UDP, as well as a home brewn UDP based protocol, "remote disk",
which provides random access to a single remote file/device. The Open
Firmware flavored boot loader automatically initializes the net stack,
searches for a remote disk, and tries to boot from it, if the boot
device is a network device (e.g. when loading the boot loader via
TFTP).
This is quite nice for developing with a two-machine setup, since one
doesn't even need to install Haiku on the test machine anymore, but can
serve it directly from the development machine. When the networking
support in the kernel is working, this method could even be used to
fully boot, not just for loading kernel and initial modules.
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vm_cache_ref starts with a reference count of 1. When acquiring a vm_cache,
you no longer need to worry if that should go through the vm_store, or not;
as it now always does.
* map_backing_store() no longer needs to play with the vm_cache_ref
references.
* that simplified some code.
* vfs_get_vnode_cache() now grabs a reference to the cache, if successful.
* better balanced vnode ownership on vnode_store creation (vnode_store
released the vnode before if its creation failed).
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this saves 4 bytes per page. To compensate the loss of bytes, the offset is now
stored in page size units, that's enough to address 2^44 or 16 TB (which is now
the maximal supported file size!).
* Renamed vm_page::ppn to physical_page_number.
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arch/*/thread_struct.h to arch_thread_types.h, so that it can directly
be included without having to specify the architecure.
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them apart (this even saves a pointer from vm_virtual_map to its address space)
* aspace -> address_space
* vm_create_address_space() did not check if creating the semaphore succeeded
* Removed team::kaspace - was not really needed (introduced a new vm_kernel_address_space()
function that doesn't grab a reference to the address space)
* Removed vm_address_space::name - it was just a copy of the team name, anyway,
and there is always only one address space per team
* Removed aspace_id - the address space is now using the team_id
* Some cleanup.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15609 a95241bf-73f2-0310-859d-f6bbb57e9c96
Committed libnetwork.so. I actually wanted to port BSD's libc/net resolver, but that one uses too many unsupported functions, so I basically merged libbind.so and libsocket.so into one library.
Moved the libbind.so sources to libnetwork/dns.
Cleaned up native part of libbind.so a little bit more. Though, the ugly hack remains. We nbetter pthread/mutex support. Added TODO that we also shousctl() into the kernel and libroot.so.
Improved DEVNOTES a little bit.
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written the page, we now do it before, so that it cannot lose any changed data
anymore; it doesn't matter if the page is written to while writing it back, the
worst thing that can happen is that we write the same page twice. Also, we don't
rely on the PAGE_MODIFIED bit anymore, we now check all mappings of that page
to find all modified pages, no matter how far the (currently disabled) page
daemon had come.
Also, destroying an area will now result in writing back changed pages - this
is only really important for memory mapped files, though, and should probably
be avoided for other vm_store types.
Minor cleanup.
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Moved some headers around and cleaned them up.
Fixed threading code in libbind.so. Don't know why I hadn't noticed this before. Now it is reliable, but uses an even uglier hack.
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mappings yet, that's a good way to test this functionality.
* Turns out the directory of the mappings must be known already - they
should be added automatically, but I've added them manually for now
(which is okay for the default system directory).
* Having more than one style with the same family in the mappings didn't
work as planned - it now does.
* On my current system, time spend in the font manager constructor went
down from 1.5 secs to around 12000 usecs (and I have only a moderate
number of fonts installed, or so I thought - looks like the mappings
were a good idea :-)) - and that directly cuts down the boot time.
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service depends on it, it doesn't make any sense to call it that early in the
game.
* The VFS now has a low memory handler for vnodes as well. If there is enough
memory left, it won't free any vnodes anymore.
* Potential crashing bug fix: some functions did not check if the FD passed
in belonged to the right type; they just assumed it had a valid vnode, but
it could have had a mount structure associated as well.
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memory status.
Added new B_NO_LOW_MEMORY constant for the usual case.
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kernel TLBs from being flushed on context switch.
* new arch_cpu_user_TLB_invalidate() that now does what arch_cpu_global_TLB_invalidate()
did before.
* arch_cpu_global_TLB_invalidate() will now flush all TLBs, even those from the
kernel.
* some cleanups.
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* The boot loader now checks the CPU for the cpuid and rdtsc features, which we
currently both rely on.
* Removed old and no longer used stage2_priv.h header
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has not yet been tested, though - I'll do this after this commit):
* Removed the arch_memory_type stuff from vm_area; since there are only 8 memory
ranges on x86, it's simply overkill. The MTRR code now remembers the area ID
and finds the MTRR that way (it could also iterate over the existing MTRRs).
* Introduced some post_modules() init functions.
* If the other x86 CPUs out there don't differ a lot, MTRR functionality might
be put back into the kernel.
* x86_write_msr() was broken, it wrote the 64 bit number with the 32 bit words
switched - it took me some time (and lots of #GPs) to figure that one out.
* Removed the macro read_ebp() and introduced a function x86_read_ebp()
(it's not really a time critical call).
* Followed the Intel docs on how to change MTRRs (symmetrically on all CPUs
with caches turned off).
* Asking for memory types will automatically change the requested length to
a power of two - note that BeOS seems to behave in the same, although that's
not really very clean.
* fixed MTRRs are ignored for now - we should make sure at least, though,
that they are identical on all CPUs (or turn them off, even though I'd
prefer the BIOS stuff to be uncacheable, which we don't enforce yet, though).
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15528 a95241bf-73f2-0310-859d-f6bbb57e9c96
but it compiles at least. :-)
* Pulled the architecture specific part out of <posix/setjmp.h> into
<posix/arch/<arch>/arch_setjmp.h>.
* Moved setjmp_save_sigs.c from the x86 specific implementation into a
"generic" sibling directory, since it is reusable (and actually used
by the PPC implementation).
* Added generic/longjmp_return.c containing a function __longjmp_return,
which is invoked at the end of siglongjmp(), resetting the signal mask
and validating the return value. It is used by the PPC implementation,
and should also be used by the x86 implementation, but I'll leave that
to someone who's motivated enough to also test it. :-)
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15479 a95241bf-73f2-0310-859d-f6bbb57e9c96
* finally nailed that much hated bug where the
wrong background underneath the cursor was restored.
I always looked for this in the wrong place -
of course, you cannot blit regions on top
of the cursor and expect the backup of the
background to be magically valid still... ;-)
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15461 a95241bf-73f2-0310-859d-f6bbb57e9c96
AttachedToWindow().
This fixes the double team entries in the Deskbar.
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The BViews must be resized directly after every change in the window size - we
cannot wait until B_WINDOW_RESIZED, since subsequent calls have wrong view
sizes, then.
B_WINDOW_RESIZED is only really useful for app_server caused window resizing.
Added TODO to SetLook(): it may change the window size as well.
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server.
This saves overhead on both sides, the server doesn't need to build the update message
for the client, and the client doesn't have to unflatten and parse another message.
* This code is actually needed for the new clipping code in the app_server, but shouldn't
do much harm for the old app_server, either.
* Also disabled getting the bounds from the server, as that is just never needed (and would
also break the code).
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is known by the server, anyway.
* B_MODAL_SUBSET_WINDOW_FEEL now also works as expected.
* Renamed AS_REM_FROM_SUBSET to AS_REMOVE_FROM_SUBSET.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15285 a95241bf-73f2-0310-859d-f6bbb57e9c96
* renamed some Decorator functions like GetLook() to Look().
* renamed _look to fLook and _flags to fFlags.
* removed the feel from decorators - they don't need to know
or care about the feel.
* the DefaultDecorator didn't allow resizing of modal windows.
* DefaultDecorator::SetTitle() no longer clears the passed
in updateRegion, it just fills it (so that you can call
more than one of these methods after the other, and still
get a correct update region).
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know what's going on, but this appears to fix it. And since we'll get a new glyph
layout backend sooner or later, I don't want to mess with that stuff again.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15176 a95241bf-73f2-0310-859d-f6bbb57e9c96
an app_server code. It's always up-to-date as it just reads the header
directly.
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