diff options
Diffstat (limited to 'include/asm-sh/system.h')
| -rw-r--r-- | include/asm-sh/system.h | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h index 127af304865f..82f3e229e621 100644 --- a/include/asm-sh/system.h +++ b/include/asm-sh/system.h @@ -82,16 +82,6 @@ static inline void sched_cacheflush(void) } #endif -static inline unsigned long tas(volatile int *m) -{ - unsigned long retval; - - __asm__ __volatile__ ("tas.b @%1\n\t" - "movt %0" - : "=r" (retval): "r" (m): "t", "memory"); - return retval; -} - /* * A brief note on ctrl_barrier(), the control register write barrier. * @@ -265,6 +255,15 @@ static inline void *set_exception_table_evt(unsigned int evt, void *handler) return set_exception_table_vec(evt >> 5, handler); } +/* + * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks. + */ +#ifdef CONFIG_CPU_SH2A +extern unsigned int instruction_size(unsigned int insn); +#else +#define instruction_size(insn) (2) +#endif + /* XXX * disable hlt during certain critical i/o operations */ |