HelenOS-historic
HelenOS
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HelenOS-historic
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kernel
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trunk
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arch/
– Rev 1001
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1001
6767 d 13 h
decky
/kernel/trunk/arch/ppc32/include/
fix semantics
1000
6767 d 14 h
decky
/kernel/trunk/arch/ppc32/include/
add atomic_pre/post_inc/dec
993
6767 d 18 h
jermar
/kernel/trunk/arch/ia64/
Fix bug in switch to userspace on ia64: ensure start in bank 1.
Fix bug in tlb_invalidate_all() that cause interrupts to be unconditionally enabled.
Optimize context switching by discarding packed attribute of context structures.
990
6767 d 19 h
decky
/kernel/trunk/
ppc32: initial stack, memory barriers, atomic operations, stack offset fix
987
6767 d 21 h
decky
/kernel/trunk/arch/ppc32/
ppc32: initial exception support
984
6767 d 22 h
palkovsky
/kernel/trunk/arch/
Fixed invlpg for ia32 & amd64.
983
6767 d 22 h
palkovsky
/kernel/trunk/
Fixed shrinking of as area.
982
6767 d 23 h
decky
/kernel/trunk/arch/ppc32/
ppc32: initial I/O support
980
6767 d 23 h
palkovsky
/kernel/trunk/
Small speed update of ipc.
Fixed some bugs regarding pages in mremap.
979
6768 d 0 h
vana
/kernel/trunk/arch/ia64/
Itanium FPU context save/restore
977
6768 d 0 h
jermar
/kernel/trunk/
Add sys_mremap() syscall.
972
6768 d 2 h
decky
/kernel/trunk/arch/ppc32/
ppc32: move kernel one frame up
frame zones initialization
970
6768 d 3 h
decky
/kernel/trunk/arch/ppc32/
ppc32: get memory map from loader
967
6768 d 3 h
palkovsky
/kernel/trunk/
Allowed userspace to include page.h.
962
6768 d 16 h
jermar
/kernel/trunk/arch/ia64/
ia64 work.
Support for __SYSCALL4.
Fix user stack initial address.
959
6768 d 17 h
palkovsky
/kernel/trunk/
New synchronous ipc.
Widened syscall to support up to 5 parameters.
958
6768 d 18 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
6768 d 18 h
decky
/kernel/trunk/arch/
run ppc32 kernel above 2 GB
955
6768 d 18 h
palkovsky
/kernel/trunk/
Added kernel IPC functionality.
952
6768 d 22 h
jermar
/kernel/trunk/
Support for loading segments containing .bss section.
951
6768 d 22 h
decky
/kernel/trunk/arch/ppc32/
ppc32 boots again (temporarily)
947
6769 d 4 h
vana
/kernel/trunk/
Better purge page selection.
945
6769 d 16 h
vana
/kernel/trunk/arch/ia64/
944
6769 d 17 h
vana
/kernel/trunk/
Itanium tlb_invalidate_pages
941
6769 d 19 h
palkovsky
/kernel/trunk/
Fixed mips elf loading.
940
6769 d 19 h
jermar
/kernel/trunk/
Get rid of unneeded macros.
Their functionality has been replaced by the ELF loader.
938
6769 d 19 h
jermar
/kernel/trunk/
Basic support for loading ELF object files.
ia64, amd64, ia32 working.
mips32 requires some attention.
935
6769 d 20 h
vana
/kernel/trunk/
Two frame stack (standard stack + RSE) on Itanium
934
6769 d 20 h
decky
/kernel/trunk/arch/ppc32/
remove all OpenFirmware bindings from ppc32 kernel code
kernel now runs in real mode (ppc32)
928
6770 d 1 h
vana
/kernel/trunk/
Itanium tlb_invalidate_all
925
6770 d 4 h
palkovsky
/kernel/trunk/arch/ia32/src/mm/
Fix e820list on ia32.
924
6770 d 5 h
palkovsky
/kernel/trunk/arch/mips32/
Macro redefinition for mips fpu.
923
6770 d 13 h
vana
/kernel/trunk/arch/ia64/src/
paging_start counting fix on ia64
921
6772 d 20 h
jermar
/kernel/trunk/arch/ia64/
ia64 work.
Userspace is now working.
There is an unrelated show stopper, however.
919
6773 d 1 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
6775 d 3 h
jermar
/kernel/trunk/arch/ia64/src/
ia64 work.
Support switch from userspace register stack in heavyweight handler.
915
6775 d 4 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
6776 d 17 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
6776 d 21 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
6777 d 0 h
bondari
/kernel/trunk/
ELF framework for all archs. SPARC V9 not tested to compile.