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| author | Till Straumann <strauman@slac.stanford.edu> | 2007-12-03 23:20:30 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2007-12-03 23:20:30 +0000 |
| commit | 8dc42d3e8bca475037f34fffc06b2519c542dda1 (patch) | |
| tree | 318498c70c66ce2ec2050bc3b8b3c21c876906f9 /cpukit/score/cpu/powerpc/rtems/score/cpu.h | |
| parent | 2007-12-03 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
| download | rtems-8dc42d3e8bca475037f34fffc06b2519c542dda1.tar.bz2 | |
2007-12-03 Till Straumann <strauman@slac.stanford.edu>
* rtems/score/cpu.h: Added comment that GDB patch sim/2376
is needed for reading the time-base with the new (more
portable) method.
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/cpu/powerpc/rtems/score/cpu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cpukit/score/cpu/powerpc/rtems/score/cpu.h b/cpukit/score/cpu/powerpc/rtems/score/cpu.h index e793667609..ce74a9d1ff 100644 --- a/cpukit/score/cpu/powerpc/rtems/score/cpu.h +++ b/cpukit/score/cpu/powerpc/rtems/score/cpu.h @@ -406,6 +406,10 @@ static inline uint32_t CPU_swap_u32( * we run in supervisory mode so that should work on * all CPUs. In user mode we'd have a problem... * 2007/11/30, T.S. + * + * OTOH, PSIM currently lacks support for reading + * SPRs 268/269. You need GDB patch sim/2376 to avoid + * a crash... */ #define CPU_Get_timebase_low( _value ) \ asm volatile( "mftb %0" : "=r" (_value) ) |