1 files changed, 16 insertions, 6 deletions

diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 5eee832b73a0..06c12a037cba 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()                                 \
         ({                                              \