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HelenOS
(root)
/
tags
/
0.2.0.4
/
kernel
/
arch
/
sparc64
/
src
/
mm
/
tlb.c
@ 2183
– Rev 2130
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2130
6409 d 10 h
jermar
/tags/0.2.0.4/
Tagging 0.2.0.4 release.
2089
6431 d 19 h
decky
/trunk/
huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
2078
6438 d 16 h
jermar
/trunk/kernel/arch/sparc64/src/
When invalidating entire TLBs on sparc64, make sure to also invalidate any (locked) global entries.
This fixes Ticket #21.
Fix a comment in start.S stating that the kernel installs a global entry for itself. All entries installed by the kernel
are local to some memory context.
2071
6442 d 12 h
jermar
/trunk/
(c) versus (C)
2048
6474 d 13 h
jermar
/trunk/
Formatting and indentation changes.
2009
6486 d 11 h
jermar
/trunk/kernel/
Initial support for handling illegal virtual aliases on sparc64.
1996
6498 d 14 h
jermar
/trunk/kernel/
Add option to compile the sparc64 kernel without the TTE_CV bit support.
The bit is not used by default now.
Enabling it may theoretically lead to physical memory inconsistencies until code that
mitigates the problem is written.
1946
6532 d 9 h
jermar
/trunk/kernel/arch/sparc64/
sparc64 work.
- Improve panic screen on data_access_exception
by dumping contents of DSFSR and DSFAR.
- Change the FHC enable interrupt code to only
set the IMAP_V bit.
1905
6552 d 22 h
jermar
/trunk/kernel/arch/sparc64/src/
Small fixes.
The sparc64 kernel now compiles again even if not compiled with SMP support.
1891
6563 d 10 h
jermar
/trunk/kernel/
sparc64 work:
- Experimental support for TSB (Translation Storage Buffer).
1880
6571 d 11 h
jermar
/trunk/
Small improvements here and there.
1870
6576 d 11 h
jermar
/trunk/kernel/
Handle more sparc64 traps and improve handling of already handled traps.
1868
6576 d 17 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
1865
6577 d 13 h
jermar
/trunk/kernel/
sparc64 kernel fixes
1864
6578 d 9 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.
1860
6581 d 13 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.
1859
6581 d 20 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.
1852
6586 d 14 h
jermar
/trunk/kernel/
sparc64 work.
Bunch of changes in preparation for sparc64 mm and userspace support.
Fix alignment of hardcoded_* variables in linker script.
1851
6591 d 19 h
jermar
/trunk/kernel/
sparc64 work.
Define the istate structure.
Move the identity-mapping handler to assembly.
Make the preemptible handler more general so that TL=1 MMU exceptions can make use of it.
Little bit of formatting and indentation.
1842
6603 d 19 h
jermar
/trunk/kernel/
i8042 and z8530 separated, the tree compiles again.
Now there is some duplicated code in i8042.c and z8530.c,
but that can be eliminated in slower pace.
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