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1851 6559 d 23 h jermar /trunk/kernel/ sparc64 work.
Define the istate structure.
Move the identity-mapping handler to assembly.
Make the preemptible handler more general so that TL=1 MMU exceptions can make use of it.

Little bit of formatting and indentation.
 
1849 6564 d 1 h jermar /trunk/kernel/ sparc64 work.
interrupt_vector trap experimental handling.
Minimal reverse-engineered FireHose Controller driver (documentation needed!).
Keyboard on Sun Enterprise is now interrupt driven. Keyboard on Sun Ultra
is still polled.
 
1848 6570 d 3 h jermar /trunk/kernel/ Rework the z8530 driver so that it is based on z8530 specification rather
than on accidental and limited "compatibility" with i8042.
 
1844 6571 d 18 h jermar /trunk/kernel/ Add an option to compile the sparc64 kernel for Ultra 5 or Enterprise E6500.
Basic keyboard support (polling) based on ns16550 serial port (deployed on Ultra).
 
1843 6571 d 21 h jermar /trunk/kernel/genarch/ Move code duplicated in i8042.c and z8530.c to key.c.  
1842 6571 d 23 h jermar /trunk/kernel/ i8042 and z8530 separated, the tree compiles again.
Now there is some duplicated code in i8042.c and z8530.c,
but that can be eliminated in slower pace.
 
1841 6572 d 0 h jermar /trunk/kernel/ Start reorganization of different keyboard drivers.
What seemed like a screwed i8042 chip appears to be
Zilog 8530.

The repository won't compile now. To be fixed in next commits.
 
1838 6576 d 21 h jermar /trunk/kernel/ Add scan code map for Sun keyboard.  
1837 6577 d 4 h jermar /trunk/ Support 24bpp framebuffers with 4 pixelbytes (each pixel aligned on 32-bits).

At least on sparc64, the OpenFirmware linebytes property specifies the number
of pixels between consecutive scan lines of the display. Fix scanilne calculation,
including possible alignment.

Add note to 8bpp pixel functions pointing out drawbacks of that mode.
 
1790 6598 d 19 h jermar /trunk/ Remove OpenFirmware calls from kernel/ entirely.

Switch the sparc64 port to use bootinfo.

Copy memcpy from boot/ to sparc64 kernel/ and
adjust it for memcpy_from/to_uspace.
 
1787 6600 d 18 h decky / move kernel/trunk, uspace/trunk and boot/trunk to trunk/kernel, trunk/uspace and trunk/boot  
1784 6601 d 16 h jermar /kernel/trunk/ Sync OpenFirmware functionality with boot.
Random cleanup.
 
1780 6607 d 19 h jermar /kernel/trunk/ Replace old __u?? types with respective C99 variants (e.g. uint32_t, int64_t, uintptr_t etc.).  
1777 6607 d 22 h jermar /kernel/trunk/ Make sparc64 kernel assume it is loaded by our loader.  
1767 6616 d 2 h palkovsky /kernel/trunk/ Remove unneeded FRAME_PANIC.
Fix some things broken by last commit.
 
1766 6616 d 3 h palkovsky /kernel/trunk/ Changed frame_alloc call, cleaned a lot of stuff, fixed some not-perfectly-correct error handling.  
1760 6618 d 21 h palkovsky /kernel/trunk/ Changed interface of frame_alloc/free to use address of frame instead of the pfn.
This makes it impossible to use >4GB of memory on 32-bit machines, but who cares...
 
1759 6621 d 5 h palkovsky /kernel/trunk/genarch/src/i8042/ Disable mouse on entry to kconsole. If it doesn't help
(like in qemu, which still generates mouse data), we would have
to let it enabled and filter out the mouse data.
 
1757 6622 d 0 h jermar /kernel/trunk/ Cleanup of comments.  
1754 6622 d 1 h jermar /kernel/trunk/ Indentation and some improved comments.
Remove forgotten comment from gxemul.sh.
 
1753 6622 d 3 h palkovsky /kernel/trunk/genarch/src/i8042/ Fix bad interrupt handling in kbd driver.
Read all data available on interrupt.
 
1735 6624 d 2 h decky /kernel/trunk/ make kernel prints case consistent  
1708 6626 d 1 h jermar /kernel/trunk/ Fix some broken doxygen comments.  
1705 6628 d 1 h cejka /kernel/trunk/ Added file with modules definitions and descriptions.
We are able to change modules order and their description in one place.
 
1704 6628 d 5 h cejka /kernel/trunk/ Fixed first letter size of subgroup name in Others.  
1702 6628 d 22 h cejka /kernel/trunk/ Kernel doxygen comments updated.  
1690 6631 d 16 h palkovsky /kernel/trunk/ Yet another fix with framebuffer.  
1683 6632 d 3 h jermar /kernel/trunk/genarch/src/fb/ Pass correct yres to userspace framebuffer.  
1682 6632 d 5 h palkovsky /kernel/trunk/ Fast framebuffer scrolling in kconsole. Eats some memory though.  
1671 6633 d 15 h jermar /kernel/trunk/genarch/src/fb/ Eliminate deadlock condition from fb.  
1637 6635 d 12 h jermar /kernel/trunk/genarch/src/mm/ Improve comment.  
1636 6635 d 12 h jermar /kernel/trunk/ Move comment.

Do TLB shootdown also when allocating new ASID.
 
1474 6641 d 14 h palkovsky /kernel/trunk/ Added syscall that lets kernel regain access to keyboard.  
1473 6641 d 17 h decky /kernel/trunk/ kernel support for text-only framebuffer  
1468 6641 d 20 h jermar /kernel/trunk/ Function for destroying address space for which there is no other reference in the kernel.  
1424 6645 d 19 h jermar /kernel/trunk/ Move the sharing functionality to address space area backends.
Add backend for continuous regions of physical memory.
Sharing for these areas works automagically now.
 
1423 6645 d 23 h jermar /kernel/trunk/ Update page fault handlers to distinguish between different access modes that had caused the page fault.  
1382 6652 d 15 h decky /kernel/trunk/ make hardware memory mapping more generic  
1380 6652 d 17 h jermar /kernel/trunk/ Turn address space lock, address space area lock and
page_ht_lock into mutexes.
 
1376 6653 d 23 h jermar /kernel/trunk/ Change the way the framebuffer is mapped so that sparc64 is usable again.