diff options
Diffstat (limited to 'arch/m68k/include')
-rw-r--r-- | arch/m68k/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/m68k/include/asm/atomic.h | 111 | ||||
-rw-r--r-- | arch/m68k/include/asm/io_mm.h | 9 |
3 files changed, 57 insertions, 64 deletions
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index c67c94a..dbaf9f3 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -11,6 +11,7 @@ generic-y += hw_irq.h generic-y += ioctl.h generic-y += ipcbuf.h generic-y += irq_regs.h +generic-y += irq_work.h generic-y += kdebug.h generic-y += kmap_types.h generic-y += kvm_para.h diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index 5569521..e85f047 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -17,7 +17,7 @@ #define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) (*(volatile int *)&(v)->counter) +#define atomic_read(v) ACCESS_ONCE((v)->counter) #define atomic_set(v, i) (((v)->counter) = i) /* @@ -30,16 +30,57 @@ #define ASM_DI "di" #endif -static inline void atomic_add(int i, atomic_t *v) -{ - __asm__ __volatile__("addl %1,%0" : "+m" (*v) : ASM_DI (i)); +#define ATOMIC_OP(op, c_op, asm_op) \ +static inline void atomic_##op(int i, atomic_t *v) \ +{ \ + __asm__ __volatile__(#asm_op "l %1,%0" : "+m" (*v) : ASM_DI (i));\ +} \ + +#ifdef CONFIG_RMW_INSNS + +#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ +static inline int atomic_##op##_return(int i, atomic_t *v) \ +{ \ + int t, tmp; \ + \ + __asm__ __volatile__( \ + "1: movel %2,%1\n" \ + " " #asm_op "l %3,%1\n" \ + " casl %2,%1,%0\n" \ + " jne 1b" \ + : "+m" (*v), "=&d" (t), "=&d" (tmp) \ + : "g" (i), "2" (atomic_read(v))); \ + return t; \ } -static inline void atomic_sub(int i, atomic_t *v) -{ - __asm__ __volatile__("subl %1,%0" : "+m" (*v) : ASM_DI (i)); +#else + +#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ +static inline int atomic_##op##_return(int i, atomic_t * v) \ +{ \ + unsigned long flags; \ + int t; \ + \ + local_irq_save(flags); \ + t = (v->counter c_op i); \ + local_irq_restore(flags); \ + \ + return t; \ } +#endif /* CONFIG_RMW_INSNS */ + +#define ATOMIC_OPS(op, c_op, asm_op) \ + ATOMIC_OP(op, c_op, asm_op) \ + ATOMIC_OP_RETURN(op, c_op, asm_op) + +ATOMIC_OPS(add, +=, add) +ATOMIC_OPS(sub, -=, sub) + +#undef ATOMIC_OPS +#undef ATOMIC_OP_RETURN +#undef ATOMIC_OP + static inline void atomic_inc(atomic_t *v) { __asm__ __volatile__("addql #1,%0" : "+m" (*v)); @@ -76,67 +117,11 @@ static inline int atomic_inc_and_test(atomic_t *v) #ifdef CONFIG_RMW_INSNS -static inline int atomic_add_return(int i, atomic_t *v) -{ - int t, tmp; - - __asm__ __volatile__( - "1: movel %2,%1\n" - " addl %3,%1\n" - " casl %2,%1,%0\n" - " jne 1b" - : "+m" (*v), "=&d" (t), "=&d" (tmp) - : "g" (i), "2" (atomic_read(v))); - return t; -} - -static inline int atomic_sub_return(int i, atomic_t *v) -{ - int t, tmp; - - __asm__ __volatile__( - "1: movel %2,%1\n" - " subl %3,%1\n" - " casl %2,%1,%0\n" - " jne 1b" - : "+m" (*v), "=&d" (t), "=&d" (tmp) - : "g" (i), "2" (atomic_read(v))); - return t; -} - #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) #else /* !CONFIG_RMW_INSNS */ -static inline int atomic_add_return(int i, atomic_t * v) -{ - unsigned long flags; - int t; - - local_irq_save(flags); - t = atomic_read(v); - t += i; - atomic_set(v, t); - local_irq_restore(flags); - - return t; -} - -static inline int atomic_sub_return(int i, atomic_t * v) -{ - unsigned long flags; - int t; - - local_irq_save(flags); - t = atomic_read(v); - t -= i; - atomic_set(v, t); - local_irq_restore(flags); - - return t; -} - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) { unsigned long flags; diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index ffdf54f4..8955b40 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -510,6 +510,13 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int */ #define xlate_dev_kmem_ptr(p) p -#define ioport_map(port, nr) ((void __iomem *)(port)) +static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) +{ + return (void __iomem *) port; +} + +static inline void ioport_unmap(void __iomem *p) +{ +} #endif /* _IO_H */ |