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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-06-07 01:27:28 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1995-06-07 01:27:28 +0000 |
| commit | 9e86dd7db7e8cc17a851d348917cbe7cdd489ce1 (patch) | |
| tree | d275acc6b640f6d2d05c920c833d399181a1268f /cpukit/score/cpu/m68k/cpu.c | |
| parent | added calls to _Thread_Disable_dispatch to match requirements (diff) | |
| download | rtems-9e86dd7db7e8cc17a851d348917cbe7cdd489ce1.tar.bz2 | |
incorporated mc68302 support
Diffstat (limited to 'cpukit/score/cpu/m68k/cpu.c')
| -rw-r--r-- | cpukit/score/cpu/m68k/cpu.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/cpukit/score/cpu/m68k/cpu.c b/cpukit/score/cpu/m68k/cpu.c index 45484da1f4..662a0440f4 100644 --- a/cpukit/score/cpu/m68k/cpu.c +++ b/cpukit/score/cpu/m68k/cpu.c @@ -95,3 +95,26 @@ void _CPU_Install_interrupt_stack( void ) #endif } +#if ( M68K_HAS_BFFFO != 1 ) +/* + * Returns log2(x) 0<x<256 + */ +const unsigned char __log2table[256] = { + 0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, +}; +#endif |