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Diffstat (limited to 'cpukit/score/cpu/i386/ChangeLog')
| -rw-r--r-- | cpukit/score/cpu/i386/ChangeLog | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cpukit/score/cpu/i386/ChangeLog b/cpukit/score/cpu/i386/ChangeLog index e5af32d7b7..dab6108b23 100644 --- a/cpukit/score/cpu/i386/ChangeLog +++ b/cpukit/score/cpu/i386/ChangeLog @@ -1,3 +1,24 @@ +2009-10-28 Till Straumann <strauman@slac.stanford.edu> + + * score/cpu/i386/rtems/score/cpu.h: + Added #ifdef ASM constructs so that this header can be + included from assembly code. + + Increased CPU_STACK_ALIGNMENT to 16 bytes. Gcc maintains + 16-byte alignment and it may be a advantageous to provide + initial 16-byte alignment. When using SSE some gcc versions + may produce code that crashes if the stack is not 16-byte aligned. + + Make sure _CPU_Context_Initialize() sets the thread stack + up so that it is aligned to CPU_CACHE_ALIGNMENT. + + * score/cpu/i386/cpu_asm.S: + Align stack to CPU_CACHE_ALIGNMENT before calling C-code. + +2009-10-27 Till Straumann <strauman@slac.stanford.edu> + + * score/cpu/i386/rtems/asm.h: Added definition for cr4 register. + 2009-09-25 Joel Sherrill <joel.sherrill@OARcorp.com> * rtems/score/cpu.h: Add no return atrribute to _CPU_Context_restore() |