diff options
Diffstat (limited to 'include/asm-m32r/system.h')
| -rw-r--r-- | include/asm-m32r/system.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h index 5eee832..06c12a0 100644 --- a/include/asm-m32r/system.h +++ b/include/asm-m32r/system.h @@ -68,13 +68,23 @@ last = __last; \ } while(0) +/* + * On SMP systems, when the scheduler does migration-cost autodetection, + * it needs a way to flush as much of the CPU's caches as possible. + * + * TODO: fill this in! + */ +static inline void sched_cacheflush(void) +{ +} + /* Interrupt Control */ -#if !defined(CONFIG_CHIP_M32102) +#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104) #define local_irq_enable() \ __asm__ __volatile__ ("setpsw #0x40 -> nop": : :"memory") #define local_irq_disable() \ __asm__ __volatile__ ("clrpsw #0x40 -> nop": : :"memory") -#else /* CONFIG_CHIP_M32102 */ +#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */ static inline void local_irq_enable(void) { unsigned long tmpreg; @@ -96,7 +106,7 @@ static inline void local_irq_disable(void) "mvtc %0, psw \n\t" : "=&r" (tmpreg0), "=&r" (tmpreg1) : : "cbit", "memory"); } -#endif /* CONFIG_CHIP_M32102 */ +#endif /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */ #define local_save_flags(x) \ __asm__ __volatile__("mvfc %0,psw" : "=r"(x) : /* no input */) @@ -105,13 +115,13 @@ static inline void local_irq_disable(void) __asm__ __volatile__("mvtc %0,psw" : /* no outputs */ \ : "r" (x) : "cbit", "memory") -#if !defined(CONFIG_CHIP_M32102) +#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104)) #define local_irq_save(x) \ __asm__ __volatile__( \ "mvfc %0, psw; \n\t" \ "clrpsw #0x40 -> nop; \n\t" \ : "=r" (x) : /* no input */ : "memory") -#else /* CONFIG_CHIP_M32102 */ +#else /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */ #define local_irq_save(x) \ ({ \ unsigned long tmpreg; \ @@ -124,7 +134,7 @@ static inline void local_irq_disable(void) : "=r" (x), "=&r" (tmpreg) \ : : "cbit", "memory"); \ }) -#endif /* CONFIG_CHIP_M32102 */ +#endif /* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */ #define irqs_disabled() \ ({ \ |
