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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-08-19 14:19:12 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-08-19 14:19:12 +0000 |
| commit | 60a3fa0c2edea6fbe277706059f37459e3d916bf (patch) | |
| tree | c8bb688011b590a33c2e7dd877ca9db2caecb538 /cpukit/score/cpu/m68k/rtems/score/cpu.h | |
| parent | Add missing prototypes. (diff) | |
| download | rtems-60a3fa0c2edea6fbe277706059f37459e3d916bf.tar.bz2 | |
2008-08-19 Joel Sherrill <joel.sherrill@OARcorp.com>
* cpu.c, rtems/score/cpu.h: Add extern for bfffo table and rename it to
indicate that it is specific to this architecture.
Diffstat (limited to 'cpukit/score/cpu/m68k/rtems/score/cpu.h')
| -rw-r--r-- | cpukit/score/cpu/m68k/rtems/score/cpu.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/cpukit/score/cpu/m68k/rtems/score/cpu.h b/cpukit/score/cpu/m68k/rtems/score/cpu.h index 5d6718f124..b87ba8adef 100644 --- a/cpukit/score/cpu/m68k/rtems/score/cpu.h +++ b/cpukit/score/cpu/m68k/rtems/score/cpu.h @@ -517,6 +517,13 @@ void *_CPU_Thread_Idle_body( uint32_t ); #define CPU_USE_GENERIC_BITFIELD_CODE FALSE #define CPU_USE_GENERIC_BITFIELD_DATA FALSE +#if ( M68K_HAS_BFFFO != 1 ) +/* + * Lookup table for BFFFO simulation + */ +extern const unsigned char _CPU_m68k_BFFFO_table[256]; +#endif + #if ( M68K_HAS_BFFFO == 1 ) #define _CPU_Bitfield_Find_first_bit( _value, _output ) \ @@ -537,9 +544,9 @@ void *_CPU_Thread_Idle_body( uint32_t ); _CPU_Priority_bits_index is not needed), handles the 0 case, and does not molest _value -- jsg */ #if ( defined(__mcoldfire__) ) + #define _CPU_Bitfield_Find_first_bit( _value, _output ) \ { \ - extern const unsigned char __BFFFOtable[256]; \ register int dumby; \ \ asm volatile ( \ @@ -554,13 +561,12 @@ void *_CPU_Thread_Idle_body( uint32_t ); " addq.l #8,%0\n" \ "0: and.l #0xff,%0\n" \ : "=&d" ((_output)), "=&d" ((dumby)) \ - : "d" ((_value)), "ao" ((__BFFFOtable)) \ + : "d" ((_value)), "ao" ((_CPU_m68k_BFFFO_table)) \ : "cc" ) ; \ } #elif ( M68K_HAS_EXTB_L == 1 ) #define _CPU_Bitfield_Find_first_bit( _value, _output ) \ { \ - extern const unsigned char __BFFFOtable[256]; \ register int dumby; \ \ asm volatile ( " move.w %2,%1\n" \ @@ -573,13 +579,12 @@ void *_CPU_Thread_Idle_body( uint32_t ); " add.b (%3,%2.w),%0\n" \ "0:\n" \ : "=&d" ((_output)), "=&d" ((dumby)) \ - : "d" ((_value)), "ao" ((__BFFFOtable)) \ + : "d" ((_value)), "ao" ((_CPU_m68k_BFFFO_table)) \ : "cc" ) ; \ } #else #define _CPU_Bitfield_Find_first_bit( _value, _output ) \ { \ - extern const unsigned char __BFFFOtable[256]; \ register int dumby; \ \ asm volatile ( " move.w %2,%1\n" \ @@ -592,7 +597,7 @@ void *_CPU_Thread_Idle_body( uint32_t ); " add.b (%3,%2.w),%0\n" \ "0:\n" \ : "=&d" ((_output)), "=&d" ((dumby)) \ - : "d" ((_value)), "ao" ((__BFFFOtable)) \ + : "d" ((_value)), "ao" ((_CPU_m68k_BFFFO_table)) \ : "cc" ) ; \ } #endif |