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1885 6501 d 13 h jermar /trunk/kernel/arch/sparc64/include/ On sparc64, get_stack_base() must use the unbiased %sp (i.e. %sp + 2047).  
/trunk/kernel/arch/sparc64/include/asm.h
1884 6502 d 7 h jermar /trunk/kernel/arch/sparc64/src/ Unfortunatelly, the sparc64's FPRS register is writable by non-privileged software
so we cannot save only half of the FPU context depending on FPRS dirty bits.
Instead, we must save the entire FPU register file.		  
/trunk/kernel/arch/sparc64/src/fpu_context.c
1883 6502 d 7 h jermar /trunk/kernel/arch/sparc64/ More sparc64 FPU trap handlers.  
/trunk/kernel/arch/sparc64/include/trap/exception.h
/trunk/kernel/arch/sparc64/src/trap/exception.c
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
1882 6502 d 8 h jermar /trunk/kernel/ Support for sparc64 FPU context.  
/trunk/kernel/arch/sparc64/src/fpu_context.c
/trunk/kernel/arch/amd64/include/arch.h
/trunk/kernel/arch/ia32/include/arch.h
/trunk/kernel/arch/ia64/include/arch.h
/trunk/kernel/arch/ia64/src/interrupt.c
/trunk/kernel/arch/mips32/include/arch.h
/trunk/kernel/arch/mips32/src/fpu_context.c
/trunk/kernel/arch/ppc32/include/arch.h
/trunk/kernel/arch/ppc64/include/arch.h
/trunk/kernel/arch/sparc64/Makefile.inc
/trunk/kernel/arch/sparc64/include/asm.h
/trunk/kernel/arch/sparc64/include/fpu_context.h
/trunk/kernel/arch/sparc64/include/regdef.h
/trunk/kernel/arch/sparc64/include/register.h
/trunk/kernel/arch/sparc64/include/trap/exception.h
/trunk/kernel/arch/sparc64/src/asm.S
/trunk/kernel/arch/sparc64/src/dummy.s
/trunk/kernel/arch/sparc64/src/trap/exception.c
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/generic/include/fpu_context.h
/trunk/kernel/generic/src/proc/scheduler.c
/trunk/kernel/kernel.config
/trunk/kernel/test/fpu/fpu1/test.c
1881 6503 d 9 h jermar /trunk/ sparc64 work:
- find a CPU node and read its clock_frequency attribute
- implement asm_delay_loop()
- set TICK_COMPARE register according to processor frequency
- small improvements at random places

OpenFirmware work:
- two new functions for walking the device tree

Generic boot loader work:
- added basic string functions

Usual pile of indentation and formatting fixes.		  
/trunk/boot/generic/string.c
/trunk/boot/generic/string.h
/trunk/boot/arch/sparc64/loader/Makefile
/trunk/boot/arch/sparc64/loader/main.c
/trunk/boot/arch/sparc64/loader/main.h
/trunk/boot/arch/sparc64/loader/ofwarch.c
/trunk/boot/arch/sparc64/loader/ofwarch.h
/trunk/boot/genarch/ofw.c
/trunk/boot/genarch/ofw.h
/trunk/boot/generic/gentypes.h
/trunk/kernel/arch/ia64/src/drivers/it.c
/trunk/kernel/arch/mips32/include/asm.h
/trunk/kernel/arch/mips32/src/interrupt.c
/trunk/kernel/arch/sparc64/include/asm.h
/trunk/kernel/arch/sparc64/include/boot/boot.h
/trunk/kernel/arch/sparc64/include/cpu.h
/trunk/kernel/arch/sparc64/include/drivers/tick.h
/trunk/kernel/arch/sparc64/src/cpu/cpu.c
/trunk/kernel/arch/sparc64/src/drivers/tick.c
/trunk/kernel/arch/sparc64/src/dummy.s
/trunk/kernel/arch/sparc64/src/sparc64.c
/trunk/kernel/arch/sparc64/src/start.S
/trunk/kernel/generic/include/arch.h
/trunk/kernel/generic/include/cpu.h
/trunk/kernel/generic/include/time/clock.h
/trunk/kernel/generic/include/time/delay.h
/trunk/kernel/generic/include/time/timeout.h
/trunk/kernel/generic/include/typedefs.h
/trunk/kernel/generic/src/cpu/cpu.c
1880 6505 d 0 h jermar /trunk/ Small improvements here and there.  
/trunk/kernel/arch/sparc64/_link.ld.in
/trunk/kernel/arch/sparc64/include/asm.h
/trunk/kernel/arch/sparc64/include/trap/exception.h
/trunk/kernel/arch/sparc64/src/asm.S
/trunk/kernel/arch/sparc64/src/console.c
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/start.S
/trunk/kernel/arch/sparc64/src/trap/exception.c
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/genarch/src/kbd/ns16550.c
/trunk/kernel/generic/src/printf/printf_core.c
/trunk/kernel/generic/src/proc/task.c
/trunk/kernel/generic/src/sysinfo/sysinfo.c
/trunk/uspace/ns/ns.c
1879 6506 d 9 h jermar /trunk/kernel/arch/sparc64/src/ Revert last change.
The register window save area is automatically allocated by the SAVE instruction.		  
/trunk/kernel/arch/sparc64/src/proc/scheduler.c
/trunk/kernel/arch/sparc64/src/sparc64.c
1878 6506 d 11 h jermar /trunk/kernel/arch/sparc64/src/ Even the first kernel register window after the switch from userspace stack needs
proper register window save area [sparc64].		  
/trunk/kernel/arch/sparc64/src/proc/scheduler.c
/trunk/kernel/arch/sparc64/src/sparc64.c
1877 6506 d 12 h jermar /trunk/kernel/ Coding style fixes.
Remove unneeded sparc64 dummy functions.		  
/trunk/kernel/arch/amd64/src/fpu_context.c
/trunk/kernel/arch/ia32/src/fpu_context.c
/trunk/kernel/arch/ia64/src/fpu_context.c
/trunk/kernel/arch/ia64/src/start.S
/trunk/kernel/arch/sparc64/src/dummy.s
/trunk/kernel/generic/include/ipc/ipc.h
1876 6506 d 12 h jermar /trunk/kernel/arch/sparc64/src/trap/ Fixes for sparc64's preemptible_handler().
Resynchronize CWP with that of TL=0.		  
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
1875 6508 d 2 h jermar /trunk/ sparc64 work.
- Changes to enable userspace keyboard drivers.
- Fix z8530 initialization (i.e. clear any pending Tx interrupts).
- Experimental support for framebuffers with inverted colors.		  
/trunk/kernel/arch/sparc64/Makefile.inc
/trunk/kernel/arch/sparc64/include/drivers/z8530.h
/trunk/kernel/arch/sparc64/src/console.c
/trunk/kernel/arch/sparc64/src/drivers/fhc.c
/trunk/kernel/arch/sparc64/src/sparc64.c
/trunk/kernel/arch/sparc64/src/trap/interrupt.c
/trunk/kernel/genarch/include/kbd/z8530.h
/trunk/kernel/genarch/src/fb/fb.c
/trunk/kernel/genarch/src/kbd/key.c
/trunk/kernel/genarch/src/kbd/z8530.c
/trunk/kernel/generic/src/ipc/irq.c
/trunk/kernel/generic/src/ipc/sysipc.c
/trunk/uspace/fb/fb.c
1870 6510 d 1 h jermar /trunk/kernel/ Handle more sparc64 traps and improve handling of already handled traps.  
/trunk/kernel/arch/sparc64/include/trap/exception.h
/trunk/kernel/arch/sparc64/include/trap/mmu.h
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/trap/exception.c
/trunk/kernel/arch/sparc64/src/trap/interrupt.c
/trunk/kernel/arch/sparc64/src/trap/mmu.S
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/generic/include/interrupt.h
1868 6510 d 7 h jermar /trunk/ sparc64 work.
- the syscall wrapper needs to use the "memory"
clobber specifier to prevent over-optimization.
- on sparc64, the user address space spans the whole
64-bit space and therefore the macro
USER_ADDRESS_SPACE_SIZE_ARCH, as it was defined,
overflows to 0
- stop using USER_ADDRESS_SPACE_SIZE_ARCH and define
MAX_HEAP_SIZE instead
- in our situation when kernel and user address spaces
are separate, the G (global) bit cannot be used
(there is no point in it anymore)
- add the DEBUG() macro to stdio.h; DEBUG() uses
SYS_IO and is a good debugging tool for getting
early userspace to work		  
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/start.S
/trunk/kernel/generic/include/mm/as.h
/trunk/uspace/libc/arch/sparc64/include/syscall.h
/trunk/uspace/libc/generic/as.c
/trunk/uspace/libc/generic/psthread.c
/trunk/uspace/libc/include/as.h
/trunk/uspace/libc/include/stdio.h
1865 6511 d 2 h jermar /trunk/kernel/ sparc64 kernel fixes  
/trunk/kernel/arch/sparc64/src/trap/mmu.S
/trunk/kernel/arch/sparc64/Makefile.inc
/trunk/kernel/arch/sparc64/include/asm.h
/trunk/kernel/arch/sparc64/include/trap/mmu.h
/trunk/kernel/arch/sparc64/src/asm.S
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/generic/include/adt/hash_table.h
1864 6511 d 22 h jermar /trunk/ sparc64 update.
- Prototype userspace layer implementation that
at least relates to sparc64 and compiles cleanly.
- Fixes for kernel's preemptible_handler and code
related to running userspace.
- Enable userspace. Several dozen instructions
are now run in userspace! We are pretty near
the userspace milestone for sparc64.		  
/trunk/uspace/libc/arch/sparc64/include/stack.h
/trunk/boot/arch/sparc64/loader/Makefile
/trunk/kernel/arch/sparc64/include/asm.h
/trunk/kernel/arch/sparc64/include/mm/as.h
/trunk/kernel/arch/sparc64/include/mm/tlb.h
/trunk/kernel/arch/sparc64/include/trap/mmu.h
/trunk/kernel/arch/sparc64/src/asm.S
/trunk/kernel/arch/sparc64/src/context.S
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/proc/scheduler.c
/trunk/kernel/arch/sparc64/src/sparc64.c
/trunk/kernel/arch/sparc64/src/start.S
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/generic/src/proc/task.c
/trunk/uspace/libc/arch/sparc64/_link.ld.in
/trunk/uspace/libc/arch/sparc64/include/atomic.h
/trunk/uspace/libc/arch/sparc64/include/config.h
/trunk/uspace/libc/arch/sparc64/include/context_offset.h
/trunk/uspace/libc/arch/sparc64/include/endian.h
/trunk/uspace/libc/arch/sparc64/include/limits.h
/trunk/uspace/libc/arch/sparc64/include/psthread.h
/trunk/uspace/libc/arch/sparc64/include/stackarg.h
/trunk/uspace/libc/arch/sparc64/include/syscall.h
/trunk/uspace/libc/arch/sparc64/include/thread.h
/trunk/uspace/libc/arch/sparc64/include/types.h
/trunk/uspace/libc/arch/sparc64/src/entry.s
/trunk/uspace/libc/arch/sparc64/src/psthread.S
/trunk/uspace/libc/arch/sparc64/src/thread.c
/trunk/uspace/libc/arch/sparc64/src/thread_entry.s
1863 6514 d 1 h jermar /trunk/ Allow architectures to decide between inlined and not inlined version of syscall wrapper.
Implement inlined syscall wrapper for sparc64.		  
/trunk/uspace/libc/arch/amd64/include/syscall.h
/trunk/uspace/libc/arch/ia32/include/syscall.h
/trunk/uspace/libc/arch/ia64/include/syscall.h
/trunk/uspace/libc/arch/mips32/include/syscall.h
/trunk/uspace/libc/arch/mips32eb/include/syscall.h
/trunk/uspace/libc/arch/ppc32/include/syscall.h
/trunk/uspace/libc/arch/ppc64/include/syscall.h
/trunk/uspace/libc/arch/sparc64/include/syscall.h
/trunk/uspace/libc/include/syscall.h
/trunk/uspace/libc/arch/sparc64/src/syscall.c
/trunk/kernel/arch/sparc64/include/trap/syscall.h
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/generic/include/syscall/syscall.h
/trunk/uspace/libc/arch/sparc64/Makefile.inc
/trunk/uspace/libc/generic/ddi.c
/trunk/uspace/libc/include/libc.h
/trunk/uspace/libc/include/sys/types.h
1862 6514 d 5 h jermar /trunk/kernel/ sparc64 work.
Kernel syscall support.
Modify the preemptive_handler for the use by syscalls.		  
/trunk/kernel/arch/sparc64/include/syscall.h
/trunk/kernel/arch/sparc64/include/trap/syscall.h
/trunk/kernel/arch/sparc64/src/trap/syscall.c
/trunk/kernel/arch/sparc64/Makefile.inc
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/generic/src/syscall/syscall.c
1861 6514 d 8 h jermar /trunk/kernel/arch/sparc64/ Convert sparc64 traps using SIMPLE_HANDLER to using PREEMPTIBLE_HANDLER.  
/trunk/kernel/arch/sparc64/include/trap/exception.h
/trunk/kernel/arch/sparc64/include/trap/interrupt.h
/trunk/kernel/arch/sparc64/include/trap/mmu.h
/trunk/kernel/arch/sparc64/include/trap/trap_table.h
/trunk/kernel/arch/sparc64/src/trap/exception.c
/trunk/kernel/arch/sparc64/src/trap/interrupt.c
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
1860 6515 d 3 h jermar /trunk/kernel/ A lot of untested sparc64 stuff:
- Write ASID to hardware when a thread is about to run in userspace.
- Add userspace() and switch_to_userspace() functions.
- Handle special cases when the userspace spill/fill handler causes MMU trap.
- Resolve some TODOs in the existing sparc64 code.
- sparc64 has now C99 compliant header guards.
- Formatting and indentation fixes.		  
/trunk/kernel/arch/sparc64/include/arch.h
/trunk/kernel/arch/sparc64/include/arg.h
/trunk/kernel/arch/sparc64/include/asm.h
/trunk/kernel/arch/sparc64/include/atomic.h
/trunk/kernel/arch/sparc64/include/barrier.h
/trunk/kernel/arch/sparc64/include/byteorder.h
/trunk/kernel/arch/sparc64/include/console.h
/trunk/kernel/arch/sparc64/include/context.h
/trunk/kernel/arch/sparc64/include/cpu.h
/trunk/kernel/arch/sparc64/include/debug.h
/trunk/kernel/arch/sparc64/include/drivers/tick.h
/trunk/kernel/arch/sparc64/include/elf.h
/trunk/kernel/arch/sparc64/include/faddr.h
/trunk/kernel/arch/sparc64/include/fpu_context.h
/trunk/kernel/arch/sparc64/include/interrupt.h
/trunk/kernel/arch/sparc64/include/memstr.h
/trunk/kernel/arch/sparc64/include/mm/as.h
/trunk/kernel/arch/sparc64/include/mm/frame.h
/trunk/kernel/arch/sparc64/include/mm/memory_init.h
/trunk/kernel/arch/sparc64/include/mm/mmu.h
/trunk/kernel/arch/sparc64/include/mm/tlb.h
/trunk/kernel/arch/sparc64/include/mm/tte.h
/trunk/kernel/arch/sparc64/include/proc/task.h
/trunk/kernel/arch/sparc64/include/regdef.h
/trunk/kernel/arch/sparc64/include/trap/exception.h
/trunk/kernel/arch/sparc64/include/trap/interrupt.h
/trunk/kernel/arch/sparc64/include/trap/mmu.h
/trunk/kernel/arch/sparc64/include/trap/regwin.h
/trunk/kernel/arch/sparc64/include/trap/trap.h
/trunk/kernel/arch/sparc64/include/trap/trap_table.h
/trunk/kernel/arch/sparc64/include/types.h
/trunk/kernel/arch/sparc64/src/asm.S
/trunk/kernel/arch/sparc64/src/ddi/ddi.c
/trunk/kernel/arch/sparc64/src/dummy.s
/trunk/kernel/arch/sparc64/src/mm/as.c
/trunk/kernel/arch/sparc64/src/mm/tlb.c
/trunk/kernel/arch/sparc64/src/proc/scheduler.c
/trunk/kernel/arch/sparc64/src/sparc64.c
/trunk/kernel/arch/sparc64/src/start.S
/trunk/kernel/arch/sparc64/src/trap/trap_table.S
/trunk/kernel/generic/include/align.h
1859 6515 d 10 h jermar /trunk/kernel/arch/sparc64/ sparc64 work.
- Convert interrupt_vector trap handler and some mm related trap handlers to
use preemptibe_handler(), which is essential for traps coming from userspace.
- Add fast_data_access_protection() handler.		  
/trunk/kernel/arch/sparc64/include/trap/interrupt.h
/trunk/kernel/arch/sparc64/include/trap/mmu.h
/trunk/kernel/arch/sparc64/src/mm/tlb.c

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