Subversion Repositories HelenOS

Rev

Go to most recent revision | Show changed files | Directory listing | RSS feed

Filtering Options

Rev Age Author Path Log message Diff
2134 6389 d 2 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 6389 d 3 h jermar /trunk/kernel/generic/src/mm/ Coding style and indentation fixes.  
2132 6390 d 9 h jermar /trunk/kernel/generic/src/mm/ Fix coding style in the address space area backends.  
2129 6424 d 1 h jermar /trunk/ Fix small problem in sparc64 port.

Bump version to 0.2.0.4 (Sunset).
 
2128 6431 d 3 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 6431 d 12 h decky /trunk/kernel/generic/src/lib/ add forgotten implementation  
2126 6431 d 23 h decky /trunk/kernel/ small cleanup, more work coming  
2125 6432 d 2 h decky /trunk/ experimental support for Objective C
(disabled by default)
 
2124 6432 d 4 h decky /trunk/kernel/generic/ implement simple realloc()  
2123 6438 d 6 h decky /trunk/kernel/generic/src/mm/ add forgotten unsigned  
2122 6438 d 6 h decky /trunk/kernel/generic/ explicit typecast, fix signed/unsigned comparison  
2121 6438 d 6 h decky /trunk/kernel/generic/src/mm/ remove anonymous structure, add static qualifier  
2120 6438 d 7 h decky /trunk/kernel/generic/include/syscall/ specify syscall handler arguments  
2119 6438 d 7 h decky /trunk/kernel/generic/src/syscall/ explicit typecast  
2118 6438 d 7 h decky /trunk/kernel/generic/src/ explicit typecast, fix signed/unsigned comparison  
2117 6438 d 7 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
2116 6438 d 7 h decky /trunk/kernel/generic/src/ddi/ explicit typecast  
2115 6438 d 7 h decky /trunk/kernel/generic/src/cpu/ fix signed/unsigned comparison  
2114 6438 d 8 h decky /trunk/kernel/generic/src/console/ explicit typecast  
2113 6438 d 9 h decky /trunk/kernel/generic/src/console/ explicit typecast, fix signed/unsigned comparison  
2112 6438 d 9 h decky /trunk/kernel/generic/src/adt/ explicit typecast, fix signed/unsigned comparison  
2111 6438 d 9 h decky /trunk/kernel/generic/src/adt/ fix signed/unsigned comparison  
2110 6439 d 1 h jermar /trunk/kernel/arch/ia64/ Minor cleanup in ia64.  
2109 6439 d 10 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 6439 d 10 h jermar /trunk/kernel/generic/src/console/ Cleanup kconsole.c  
2107 6440 d 0 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 6440 d 8 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 6444 d 9 h decky /trunk/kernel/ move ipc structures to ipc.h  
2104 6444 d 11 h decky /trunk/kernel/generic/src/lib/ more fine order of magnitude display  
2103 6445 d 2 h decky /trunk/kernel/generic/include/ move timeout_t to timeout.h
move other helper types to thread.h
 
2102 6445 d 2 h decky /trunk/kernel/genarch/src/fb/ signed/unsigned comparison, explicit typecast  
2101 6445 d 2 h decky /trunk/kernel/ fix signed/unsigned comparison and integer overflow  
2100 6445 d 3 h decky /trunk/kernel/ signed/unsigned comparison, explicit typecast  
2099 6445 d 4 h decky /trunk/kernel/arch/ia32/src/ explicit cast on pointer arithmetic  
2098 6445 d 4 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2097 6445 d 4 h decky /trunk/kernel/arch/ia32/src/smp/ fix signed/unsigned comparison  
2096 6445 d 4 h decky /trunk/kernel/generic/include/ move thread_t to thread.h  
2095 6445 d 4 h decky /trunk/kernel/arch/ia32/src/smp/ fix signed/unsigned comparison  
2094 6445 d 4 h decky /trunk/kernel/generic/ avoid conflict with potential keyword  
2093 6445 d 4 h decky /trunk/kernel/ spinlock extern declaration macro