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2134 6400 d 22 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.
 
2133 6400 d 23 h jermar /trunk/kernel/generic/src/mm/ Coding style and indentation fixes.  
2132 6402 d 5 h jermar /trunk/kernel/generic/src/mm/ Fix coding style in the address space area backends.  
2128 6442 d 23 h jermar /trunk/ Add arm32 architecture. The 32 suffix is used to specify that 16-bit Thumb
instructions are not used. The arm32 code is mostly composed of placeholders
that need to be replaced by real implementation. So far, the arm32 tree
only compiles. If run under GXEmul simulator, an infinit loop at the
kernel entry point will be entered.
 
2127 6443 d 8 h decky /trunk/kernel/generic/src/lib/ add forgotten implementation  
2126 6443 d 19 h decky /trunk/kernel/ small cleanup, more work coming  
2125 6443 d 22 h decky /trunk/ experimental support for Objective C
(disabled by default)
 
2124 6444 d 0 h decky /trunk/kernel/generic/ implement simple realloc()  
2123 6450 d 2 h decky /trunk/kernel/generic/src/mm/ add forgotten unsigned  
2122 6450 d 2 h decky /trunk/kernel/generic/ explicit typecast, fix signed/unsigned comparison  
2121 6450 d 2 h decky /trunk/kernel/generic/src/mm/ remove anonymous structure, add static qualifier  
2119 6450 d 3 h decky /trunk/kernel/generic/src/syscall/ explicit typecast  
2118 6450 d 3 h decky /trunk/kernel/generic/src/ explicit typecast, fix signed/unsigned comparison  
2117 6450 d 3 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
2116 6450 d 4 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
2115 6450 d 4 h decky /trunk/kernel/generic/src/cpu/ fix signed/unsigned comparison  
2114 6450 d 4 h decky /trunk/kernel/generic/src/console/ explicit typecast  
2113 6450 d 5 h decky /trunk/kernel/generic/src/console/ explicit typecast, fix signed/unsigned comparison  
2112 6450 d 5 h decky /trunk/kernel/generic/src/adt/ explicit typecast, fix signed/unsigned comparison  
2111 6450 d 5 h decky /trunk/kernel/generic/src/adt/ fix signed/unsigned comparison  
2109 6451 d 6 h jermar /trunk/kernel/generic/ Revert thread_interrupt_sleep() to waitq_interrupt_sleep().
I'd prefer that this, IMO, waitq related stuff stays together.
 
2108 6451 d 6 h jermar /trunk/kernel/generic/src/console/ Cleanup kconsole.c  
2107 6451 d 20 h jermar /trunk/ When clock() is called by an external interrupt dispatched by the IRQ dispatcher,
no spinlock can be held or the kernel will not be preemptive. This fixes Ticket #24.

Formating and indentation fixes.
 
2106 6452 d 4 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.
 
2104 6456 d 7 h decky /trunk/kernel/generic/src/lib/ more fine order of magnitude display  
2098 6457 d 0 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2094 6457 d 0 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2089 6458 d 4 h decky /trunk/ huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
 
2087 6459 d 0 h jermar /trunk/kernel/ Indentaion and formatting changes even Martin will like :-)  
2083 6464 d 4 h decky /trunk/kernel/ typedef elimination  
2076 6467 d 5 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 6468 d 21 h jermar /trunk/ (c) versus (C)  
2070 6469 d 5 h jermar /trunk/ Rather big indentation and formatting changes.
More inteligent long line wrapping.
 
2069 6470 d 20 h jermar /trunk/ Improve formatting.  
2068 6476 d 5 h jermar /trunk/kernel/ Formatting and indentation fixes.  
2067 6479 d 3 h jermar /trunk/kernel/ More formatting changes.  
2066 6481 d 2 h jermar /trunk/kernel/generic/src/main/ Formatting changes.
Bump year in kernel copyright.
 
2064 6482 d 20 h vana /trunk/ SIMICS added as a simulator kernel runs on  
2063 6483 d 0 h jermar /trunk/kernel/generic/src/lib/ Call big endian byte swap function instead of little endian.  
2062 6483 d 1 h jermar /trunk/kernel/generic/src/lib/ switch statement coding style fixes.