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2134
6329 d 0 h
jermar
/trunk/kernel/
Reworked handling of illegal virtual aliases caused by frame reuse.
We moved the incomplete handling from backend's frame method to
backend's page_fault method. The page_fault method is the one that
can create an illegal alias if it writes the userspace frame using
kernel address with a different page color than the page to which is
this frame mapped in userspace. When we detect this, we do D-cache
shootdown on all processors (!!!).
If we add code that accesses userspace memory from kernel address
space, we will have to check for illegal virtual aliases at all such
places.
I tested this on a 4-way simulated E6500 and a real-world Ultra 5,
which has unfortunatelly only one processor.
This solves ticket #26.
2129
6363 d 22 h
jermar
/trunk/
Fix small problem in sparc64 port.
Bump version to 0.2.0.4 (Sunset).
2106
6380 d 6 h
jermar
/trunk/kernel/
Merge as_t structure into one and leave the differring parts in as_genarch_t.
Indentation and formatting changes in header files.
2105
6384 d 6 h
decky
/trunk/kernel/
move ipc structures to ipc.h
2089
6386 d 6 h
decky
/trunk/
huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
2083
6392 d 6 h
decky
/trunk/kernel/
typedef elimination
2082
6392 d 6 h
decky
/trunk/
__asm__ __volatile__ -> asm volatile
2079
6393 d 0 h
decky
/trunk/kernel/
remove some typedefs in favor of anonymous structures
2076
6395 d 7 h
jermar
/trunk/kernel/
Beat the implicit illegal virtual alias created by reusing userspace frames.
In the anonymous and ELF backends, if the architecture has virtually indexed D-cache,
selectively flush cachelines belonging to the frame being freed.
This fixes Ticket #20.
2071
6396 d 23 h
jermar
/trunk/
(c) versus (C)
2068
6404 d 6 h
jermar
/trunk/kernel/
Formatting and indentation fixes.
2065
6410 d 21 h
jermar
/trunk/kernel/
Coding style fixes and formatting improvements.
2056
6424 d 11 h
jermar
/trunk/kernel/arch/sparc64/include/
Fix mismatched byteswapping macros on sparc64.
2054
6424 d 21 h
jermar
/trunk/kernel/
Fix important comment in kernel/arch/sparc64/src/proc/scheduler.c.
Improve framebuffer code.
Formatting and indentation fixes.
2048
6429 d 0 h
jermar
/trunk/
Formatting and indentation changes.
2047
6430 d 22 h
jermar
/trunk/kernel/arch/sparc64/include/
Convert sparc64 critical section barriers to RMO memory model.
More portable, no confusion from documentation.
2046
6431 d 0 h
jermar
/trunk/kernel/arch/sparc64/include/
Another comment fix.
2045
6431 d 0 h
jermar
/trunk/kernel/arch/sparc64/include/
Fix comment.
2044
6431 d 1 h
jermar
/trunk/kernel/arch/sparc64/
On sparc64's tick interrupt, adjust the TICK_COMPARE register instead of the TICK
register. The TICK register now increments linearily and can be used by the get_cycle()
function.
2038
6431 d 20 h
jermar
/trunk/kernel/arch/sparc64/
Remove old stuff.
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