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(root)/kernel/trunk/arch/ia64/src @ 896 – Rev 1280

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Rev	Age	Author	Path	Log message
1280	6683 d 10 h	jermar	/kernel/trunk/arch/	Get rid off obsolete ddi_int_control_arch() on ia64, sparc64 and ppc32.
1265	6684 d 17 h	jermar	/kernel/trunk/arch/	Add dummy IRQ_COUNT and irq_ipc_bind_arch() to ia64, ppc32 and sparc64 so that they compile again.
1227	6692 d 14 h	jermar	/kernel/trunk/	Reorganize syscall names to better correspond to kernel architecture. Add dummy placeholders for SYS_AS_AREA_SHARE_APPROVE and SYS_AS_AREA_SHARE_PERFORM syscalls.
1223	6692 d 17 h	jermar	/kernel/trunk/	Make ia64 and sparc64 compile again. Fix ia64 to set up inits in arch_pre_main().
1221	6693 d 7 h	decky	/kernel/trunk/	printf-related and other code cleanup
1210	6694 d 17 h	vana	/kernel/trunk/	Incomplete VHPT walker support for Itanium
1196	6699 d 17 h	cejka	/kernel/trunk/	Printf ported back from uspace to kernel. Printf calls changed to match new conventions.
1191	6701 d 21 h	jermar	/kernel/trunk/	Kernel support for SYS_ENABLE_IOSPACE. amd64 and ia32 provide dummy implementation thereof.
1187	6702 d 13 h	jermar	/kernel/trunk/	Cleanup pm.c and pm.h code on ia32 and amd64. Add before_task_runs() and before_task_runs_arch() for each architecture. Add ia32 and amd64 code to ensure I/O Permission Bitmap update.
1168	6706 d 11 h	vana	/kernel/trunk/	Thread RSE support completion (kernel)
1138	6719 d 13 h	jermar	/kernel/trunk/	CPU stacks must have two frames on ia64. Make sure both thread stack frames are mapped in before_thread_runs_arch(). Take STACK_FRAMES into account during kernel memory layout initialization in main_bsp().
1124	6722 d 19 h	jermar	/kernel/trunk/arch/	Small changes. Make sparc64 and ppc32 compile again.
1121	6723 d 9 h	jermar	/kernel/trunk/	Small textual changes.
1104	6724 d 13 h	jermar	/kernel/trunk/	Define atomic_t only once in atomic.h Change the encapsulated counter type to long so that it supports negative values as well.
1080	6729 d 12 h	jermar	/kernel/trunk/arch/ia64/src/mm/	Fix double page_table_unlock() in ia64 tlb.c.
1078	6729 d 12 h	jermar	/kernel/trunk/	Improved uspace threads. ia64 needs fixing.
1066	6730 d 5 h	jermar	/kernel/trunk/	Support for user space threads.
1059	6730 d 10 h	jermar	/kernel/trunk/	Clear user address space when creating new page tables. Fix mapping of l_apic and io_apic on amd64.
1056	6730 d 12 h	jermar	/kernel/trunk/arch/ia64/src/	Slightly optimized version of ivt.S.
1053	6730 d 13 h	vana	/kernel/trunk/	Itanium FPU Lazy context switching... but not so much tested
1044	6730 d 17 h	jermar	/kernel/trunk/	Page table locking.
1039	6730 d 18 h	decky	/kernel/trunk/arch/	update for the use of more init tasks
1023	6731 d 12 h	vana	/kernel/trunk/	Itanium FPU active context switch
993	6732 d 10 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.
979	6732 d 16 h	vana	/kernel/trunk/arch/ia64/	Itanium FPU context save/restore
962	6733 d 9 h	jermar	/kernel/trunk/arch/ia64/	ia64 work. Support for __SYSCALL4. Fix user stack initial address.
958	6733 d 10 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.
947	6733 d 20 h	vana	/kernel/trunk/	Better purge page selection.
945	6734 d 9 h	vana	/kernel/trunk/arch/ia64/
944	6734 d 10 h	vana	/kernel/trunk/	Itanium tlb_invalidate_pages
938	6734 d 12 h	jermar	/kernel/trunk/	Basic support for loading ELF object files. ia64, amd64, ia32 working. mips32 requires some attention.
935	6734 d 13 h	vana	/kernel/trunk/	Two frame stack (standard stack + RSE) on Itanium
928	6734 d 17 h	vana	/kernel/trunk/	Itanium tlb_invalidate_all
923	6735 d 5 h	vana	/kernel/trunk/arch/ia64/src/	paging_start counting fix on ia64
921	6737 d 13 h	jermar	/kernel/trunk/arch/ia64/	ia64 work. Userspace is now working. There is an unrelated show stopper, however.
919	6737 d 17 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	6739 d 19 h	jermar	/kernel/trunk/arch/ia64/src/	ia64 work. Support switch from userspace register stack in heavyweight handler.
915	6739 d 20 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	6741 d 10 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	6741 d 14 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.)