diff options
Diffstat (limited to 'arch/m68k/include/asm/system_mm.h')
-rw-r--r-- | arch/m68k/include/asm/system_mm.h | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/arch/m68k/include/asm/system_mm.h b/arch/m68k/include/asm/system_mm.h index dbb6515ffd5b..12053c44cccf 100644 --- a/arch/m68k/include/asm/system_mm.h +++ b/arch/m68k/include/asm/system_mm.h | |||
@@ -3,6 +3,7 @@ | |||
3 | 3 | ||
4 | #include <linux/linkage.h> | 4 | #include <linux/linkage.h> |
5 | #include <linux/kernel.h> | 5 | #include <linux/kernel.h> |
6 | #include <linux/irqflags.h> | ||
6 | #include <asm/segment.h> | 7 | #include <asm/segment.h> |
7 | #include <asm/entry.h> | 8 | #include <asm/entry.h> |
8 | 9 | ||
@@ -62,30 +63,6 @@ asmlinkage void resume(void); | |||
62 | #define smp_wmb() barrier() | 63 | #define smp_wmb() barrier() |
63 | #define smp_read_barrier_depends() ((void)0) | 64 | #define smp_read_barrier_depends() ((void)0) |
64 | 65 | ||
65 | /* interrupt control.. */ | ||
66 | #if 0 | ||
67 | #define local_irq_enable() asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory") | ||
68 | #else | ||
69 | #include <linux/hardirq.h> | ||
70 | #define local_irq_enable() ({ \ | ||
71 | if (MACH_IS_Q40 || !hardirq_count()) \ | ||
72 | asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory"); \ | ||
73 | }) | ||
74 | #endif | ||
75 | #define local_irq_disable() asm volatile ("oriw #0x0700,%%sr": : : "memory") | ||
76 | #define local_save_flags(x) asm volatile ("movew %%sr,%0":"=d" (x) : : "memory") | ||
77 | #define local_irq_restore(x) asm volatile ("movew %0,%%sr": :"d" (x) : "memory") | ||
78 | |||
79 | static inline int irqs_disabled(void) | ||
80 | { | ||
81 | unsigned long flags; | ||
82 | local_save_flags(flags); | ||
83 | return flags & ~ALLOWINT; | ||
84 | } | ||
85 | |||
86 | /* For spinlocks etc */ | ||
87 | #define local_irq_save(x) ({ local_save_flags(x); local_irq_disable(); }) | ||
88 | |||
89 | #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) | 66 | #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) |
90 | 67 | ||
91 | struct __xchg_dummy { unsigned long a[100]; }; | 68 | struct __xchg_dummy { unsigned long a[100]; }; |