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Rev Age Author Path Log message Diff
973 6777 d 10 h palkovsky /kernel/trunk/generic/ Added simpler userspace starting.  
972 6777 d 10 h decky /kernel/trunk/arch/ppc32/ ppc32: move kernel one frame up
frame zones initialization		  
970 6777 d 11 h decky /kernel/trunk/arch/ppc32/ ppc32: get memory map from loader  
967 6777 d 11 h palkovsky /kernel/trunk/ Allowed userspace to include page.h.  
965 6777 d 12 h palkovsky /kernel/trunk/ Added skeleton name service.
Cleanup for IPC to use mutexes instead of spinlocks.		  
963 6778 d 0 h jermar /kernel/trunk/generic/src/lib/ Fix bug in loading ELF segment.  
962 6778 d 1 h jermar /kernel/trunk/arch/ia64/ ia64 work.
Support for __SYSCALL4.
Fix user stack initial address.		  
959 6778 d 1 h palkovsky /kernel/trunk/ New synchronous ipc.
Widened syscall to support up to 5 parameters.		  
958 6778 d 2 h jermar /kernel/trunk/ Nicer ia32 interrupt handlers and structures holding interrupted context data.
Unify the name holding interrupted context data on all architectures to be istate.		  
957 6778 d 2 h decky /kernel/trunk/arch/ run ppc32 kernel above 2 GB  
955 6778 d 2 h palkovsky /kernel/trunk/ Added kernel IPC functionality.  
952 6778 d 6 h jermar /kernel/trunk/ Support for loading segments containing .bss section.  
951 6778 d 7 h decky /kernel/trunk/arch/ppc32/ ppc32 boots again (temporarily)  
947 6778 d 12 h vana /kernel/trunk/ Better purge page selection.  
946 6779 d 0 h jermar /kernel/trunk/generic/ Fix frame deallocation.
Zone state is to be upadated only when the frame refcount reaches zero.		  
945 6779 d 0 h vana /kernel/trunk/arch/ia64/  
944 6779 d 1 h vana /kernel/trunk/ Itanium tlb_invalidate_pages  
941 6779 d 3 h palkovsky /kernel/trunk/ Fixed mips elf loading.  
940 6779 d 3 h jermar /kernel/trunk/ Get rid of unneeded macros.
Their functionality has been replaced by the ELF loader.		  
939 6779 d 3 h palkovsky /kernel/trunk/contrib/conf/ Fix msim configuration.  
938 6779 d 3 h jermar /kernel/trunk/ Basic support for loading ELF object files.
ia64, amd64, ia32 working.
mips32 requires some attention.		  
935 6779 d 4 h vana /kernel/trunk/ Two frame stack (standard stack + RSE) on Itanium  
934 6779 d 5 h decky /kernel/trunk/arch/ppc32/ remove all OpenFirmware bindings from ppc32 kernel code
kernel now runs in real mode (ppc32)		  
932 6779 d 5 h palkovsky /kernel/trunk/generic/src/console/ Allow using direct address as parameter.  
931 6779 d 5 h palkovsky /kernel/trunk/generic/src/console/ Allow direct address specification.  
930 6779 d 7 h decky /kernel/trunk/contrib/conf/ preliminary Simics 3.0 configuration for Simics  
929 6779 d 8 h palkovsky /kernel/trunk/ Restrict itanium test to itanium.  
928 6779 d 9 h vana /kernel/trunk/ Itanium tlb_invalidate_all  
927 6779 d 10 h decky /kernel/trunk/contrib/conf/ Simics 3.0 IA32/AMD64 component configuration  
925 6779 d 12 h palkovsky /kernel/trunk/arch/ia32/src/mm/ Fix e820list on ia32.  
924 6779 d 13 h palkovsky /kernel/trunk/arch/mips32/ Macro redefinition for mips fpu.  
923 6779 d 21 h vana /kernel/trunk/arch/ia64/src/ paging_start counting fix on ia64  
922 6782 d 0 h jermar /kernel/trunk/genarch/src/mm/ Fix generic page hash table to align down page addresses.
This was the ia64 userspace show stopper.		  
921 6782 d 4 h jermar /kernel/trunk/arch/ia64/ ia64 work.
Userspace is now working.
There is an unrelated show stopper, however.		  
919 6782 d 9 h jermar /kernel/trunk/ ia64 work.
Changes to make userspace work (kernel part).
Use ski.conf from contrib directory to run Ski.

There is actually no appropriate syscall handler yet.		  
916 6784 d 11 h jermar /kernel/trunk/arch/ia64/src/ ia64 work.
Support switch from userspace register stack in heavyweight handler.		  
915 6784 d 12 h jermar /kernel/trunk/arch/ia64/ ia64 work.
- Another item had to be allocated on stack to remember new value written to ar.bspstore.
Fix heavyweight interruption handler to calculate RSC.loadrs from the new value of ar.bspstore
instead from the old one.
Uncomment instructions switching ar.bspstore.
- Configure kernel with 512M of memory.		  
912 6786 d 1 h jermar /kernel/trunk/ ia64 work.

ivt.S:
Detect userspace stack in heavyweight handler and switch to kernel stack.
Remember the old stack pointer.
As for register stack, kernel stack is assumed still.
Fix alignment issues that showed when STACK_ITEMS was odd.
Fix ld8 instruction that did subtraction of 8 instead of addition of 8.

scheduler.c:
Change before_thread_runs_arch() to calculate address of top of the stack
for the interrupt handler.		  
911 6786 d 5 h jermar /kernel/trunk/arch/ia64/ ia64 work.

Change heavyweight interrupt handler to use bank 0 registers instead of AR.KR0 and AR.KR1.
This prevents userspace from the possibility to see what addresses are being used by kernel.

Store kernel stack address in bank 0 r23 instead of AR.KR7. Again, userspace will not be
able to read the address of its kernel stack.

Increase FRAME_SIZE to 64K as this is the first supported page size in which will fit
thread's combined register and memory stack. (RSE can write out as many as 16K.)		  
910 6786 d 8 h bondari /kernel/trunk/ ELF framework for all archs. SPARC V9 not tested to compile.