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Rev Age Author Path Log message Diff
667 6712 d 10 h jermar /kernel/trunk/arch/sparc64/ sparc64 work.
Rename saving_handler() to preemptible_handler()
and fix it to make sparc64 kernel preemptive.
Add two handlers for two fatal exceptions (i.e.
instruction_access_exception and mem_address_not_aligned.
Fix panic_printf() to not allocate its own register window.		  
666 6714 d 7 h jermar /kernel/trunk/ sparc64 work.
Fix clean_window trap handler so that it clears output registers instead of input registers!
Fix interrupt handlers to save global registers.		  
665 6714 d 17 h jermar /kernel/trunk/arch/sparc64/ sparc64 work.
Tick interrupt support.		  
664 6716 d 4 h jermar /kernel/trunk/ sparc64 work.
Interrupt Levels 1 - 15 serviced.
Minor changes in the exc_* functions.		  
663 6716 d 17 h jermar /kernel/trunk/arch/sparc64/ sparc64 work.
Initial interrupt_vector_trap handler and fixes needed to make it do the right thing (i.e. panic()).		  
662 6718 d 6 h decky /kernel/trunk/ initial syscall table support  
661 6718 d 11 h cejka /uspace/trunk/softfloat/ Softfloat - function for float subtraction added.  
660 6719 d 17 h cejka /uspace/trunk/softfloat/ Fixed some bugs in softfloat after tests.  
659 6719 d 18 h jermar /kernel/trunk/ Make the kernel compile with -Wall.  
658 6719 d 18 h jermar /kernel/trunk/arch/sparc64/include/ sparc64 work.
Add functions to read and write TICK and TICK_compare registers.
Add types describing TICK and TICK_compare registers.		  
657 6720 d 6 h jermar /kernel/trunk/ sparc64 work.
Context again. It turns out, according to SCD 2.4, that registers that didn't have to be saved were saved (%o1 - %o5) and
registers that had to be saved were not saved (%i0 - %i5, %l0 - %l7).		  
656 6721 d 6 h decky /uspace/trunk/ user space init working  
655 6721 d 11 h jermar /kernel/trunk/arch/ Compilation fixes.  
654 6721 d 11 h jermar /kernel/trunk/generic/src/ Fix page_insert_mapping().
Some architectures (e.g. ia32) need to have the lower-numbered PTL's flagged as PAGE_WRITE in order to prevent overriding protection bits of leaf TTE's.		  
653 6721 d 13 h cejka /uspace/trunk/softfloat/ Comparison function for float type added.  
652 6721 d 16 h cejka /uspace/trunk/softfloat/ Some new functions implemented in softfloat lib.  
651 6722 d 5 h decky /kernel/trunk/ remove arch/$ARCH/boot where not needed, change global Makefile accordingly
remove early_mapping() (breaks ppc32 for now)
change early heap initialization (required for init to work)		  
650 6722 d 6 h jermar /kernel/trunk/ sparc64 work.
Implement interrupt_disable(), interrupt_enable(), interrupt_restore() and interrupt_read() functions.
Fix context save/restore to save/restore register %i7.		  
649 6722 d 12 h decky /boot/trunk/arch/ia32/grub/ forgot to touch the binary file  
648 6722 d 12 h decky /boot/trunk/arch/ia32/ store README and COPYING directly in GRUB floppy image  

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