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| author | Till Straumann <strauman@slac.stanford.edu> | 2006-06-19 19:59:59 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2006-06-19 19:59:59 +0000 |
| commit | 368894feef1b54628d186b5355619cd283a74230 (patch) | |
| tree | 9d6d0ca1e39c73ce5f90392c227c5b1b2b8a3f01 /c/src/lib/libcpu/powerpc/ChangeLog | |
| parent | Never allow the FPU to be switched on for integer-only tasks (diff) | |
| download | rtems-368894feef1b54628d186b5355619cd283a74230.tar.bz2 | |
FP context switch may be called from environment with no
FPU available (ISR, int-only task) - switch FPU on
for the switch and restore MSR_FP after it's done.
Diffstat (limited to 'c/src/lib/libcpu/powerpc/ChangeLog')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/ChangeLog | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/c/src/lib/libcpu/powerpc/ChangeLog b/c/src/lib/libcpu/powerpc/ChangeLog index 48066f35ae..0df4583fca 100644 --- a/c/src/lib/libcpu/powerpc/ChangeLog +++ b/c/src/lib/libcpu/powerpc/ChangeLog @@ -1,7 +1,11 @@ 2006-06-19 Till Straumann <strauman@slac.stanford.edu> - * new-exceptions/cpu.c: Never allow the FPU to be switched - on for integer-only tasks (new gcc may use FP regs implicitely). + * new-exceptions/cpu.c, new-exceptions/cpu_asm.S: Never + allow the FPU to be switched on for integer-only tasks + (new gcc may use FP regs implicitely). + FP context switch may be called from environment with no + FPU available (ISR, int-only task) - switch FPU on + for the switch and restore MSR_FP after it's done. 2006-05-16 Ralf Corsepius <ralf.corsepius@rtems.org> |