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* Added simplified possibility to schedule UHCI transfers from within KDL.

Browse Source 
* Added debugger commands to resolve usb_ids to pipes.
* Adjusted the physical memory allocator to be usable in a slimmed down mode
  when running inside the kernel debugger.
* Implemented USB keyboard support for KDL through a kernel debugger add-on.
* Added kgetc() and made use of it where previously individual methods were used
  to ensure that reading characters always goes through the kernel debugger
  add-ons and the other methods.

This has some preconditions to meet though:
1) The keyboard must be in the boot protocol (currently the case but needs to
   be revisited once we have a full usb_hid).
2) The keyboard must be attached to a UHCI root port (i.e. not use EHCI or OHCI,
   also not through hubs unless those are USB 1.1).
3) the usb_hid driver has to be opened for this to work. This means that for the
   time between initializing USB and when usb_hid is opened by the input_server
   there is no keyboard support.

Also note that this has no way of detecting hot-plug, meaning that you can't
re-attach your USB keyboard from the hub to the root port once in KDL.

On the bright side of things, since this is a non-destructive mechanism it is
possible to enter and leave KDL without loosing the USB state.

Tested OK in QEMU, not tested on real hardware yet, will see in a few minutes.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29291 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz
2009-02-22 20:46:27 +00:00
parent e2c33fb995
commit 6eba063647
13 changed files with 266 additions and 39 deletions
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build/jam/HaikuImage
+2 -1
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@@ -156,7 +156,8 @@ AddFilesToHaikuImage beos system add-ons kernel busses usb
: <usb>uhci <usb>ohci <usb>ehci ;
AddFilesToHaikuImage beos system add-ons kernel console : vga_text ;
AddFilesToHaikuImage beos system add-ons kernel debugger
: $(X86_ONLY)<kdebug>disasm <kdebug>hangman <kdebug>invalidate_on_exit ;
: $(X86_ONLY)<kdebug>disasm <kdebug>hangman <kdebug>invalidate_on_exit
<kdebug>usb_keyboard ;
AddFilesToHaikuImage beos system add-ons kernel file_systems
: $(BEOS_ADD_ONS_FILE_SYSTEMS) ;
AddFilesToHaikuImage beos system add-ons kernel generic