X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-blackfin%2Fsystem.h;h=4a927379ee1ce9c5fdc006fe2a3bbed851f3d1eb;hb=5f48b338cd28f4095697a174d7e3e72084aca893;hp=5e5f1a0566c0fe6b1c90d9d0d0b039ed23c289e8;hpb=932c37c375cca25175f9b6acee4c75d7a96d985f;p=linux-2.6 diff --git a/include/asm-blackfin/system.h b/include/asm-blackfin/system.h index 5e5f1a0566..4a927379ee 100644 --- a/include/asm-blackfin/system.h +++ b/include/asm-blackfin/system.h @@ -36,6 +36,7 @@ #include #include +#include /* * Interrupt configuring macros. @@ -43,53 +44,60 @@ extern unsigned long irq_flags; -#define local_irq_enable() do { \ - __asm__ __volatile__ ( \ - "sti %0;" \ - ::"d"(irq_flags)); \ -} while (0) +#define local_irq_enable() \ + __asm__ __volatile__( \ + "sti %0;" \ + : \ + : "d" (irq_flags) \ + ) -#define local_irq_disable() do { \ - int _tmp_dummy; \ - __asm__ __volatile__ ( \ - "cli %0;" \ - :"=d" (_tmp_dummy):); \ -} while (0) +#define local_irq_disable() \ + do { \ + int __tmp_dummy; \ + __asm__ __volatile__( \ + "cli %0;" \ + : "=d" (__tmp_dummy) \ + ); \ + } while (0) -#if defined(ANOMALY_05000244) && defined (CONFIG_BLKFIN_CACHE) -#define idle_with_irq_disabled() do { \ - __asm__ __volatile__ ( \ - "nop; nop;\n" \ - ".align 8;\n" \ - "sti %0; idle;\n" \ - ::"d" (irq_flags)); \ -} while (0) +#if ANOMALY_05000244 && defined(CONFIG_BFIN_ICACHE) +# define NOP_PAD_ANOMALY_05000244 "nop; nop;" #else -#define idle_with_irq_disabled() do { \ - __asm__ __volatile__ ( \ - ".align 8;\n" \ - "sti %0; idle;\n" \ - ::"d" (irq_flags)); \ -} while (0) +# define NOP_PAD_ANOMALY_05000244 #endif +#define idle_with_irq_disabled() \ + __asm__ __volatile__( \ + NOP_PAD_ANOMALY_05000244 \ + ".align 8;" \ + "sti %0;" \ + "idle;" \ + : \ + : "d" (irq_flags) \ + ) + #ifdef CONFIG_DEBUG_HWERR -#define __save_and_cli(x) do { \ - __asm__ __volatile__ ( \ - "cli %0;\n\tsti %1;" \ - :"=&d"(x): "d" (0x3F)); \ -} while (0) +# define __save_and_cli(x) \ + __asm__ __volatile__( \ + "cli %0;" \ + "sti %1;" \ + : "=&d" (x) \ + : "d" (0x3F) \ + ) #else -#define __save_and_cli(x) do { \ - __asm__ __volatile__ ( \ - "cli %0;" \ - :"=&d"(x):); \ -} while (0) +# define __save_and_cli(x) \ + __asm__ __volatile__( \ + "cli %0;" \ + : "=&d" (x) \ + ) #endif -#define local_save_flags(x) asm volatile ("cli %0;" \ - "sti %0;" \ - :"=d"(x):); +#define local_save_flags(x) \ + __asm__ __volatile__( \ + "cli %0;" \ + "sti %0;" \ + : "=d" (x) \ + ) #ifdef CONFIG_DEBUG_HWERR #define irqs_enabled_from_flags(x) (((x) & ~0x3f) != 0) @@ -97,10 +105,11 @@ extern unsigned long irq_flags; #define irqs_enabled_from_flags(x) ((x) != 0x1f) #endif -#define local_irq_restore(x) do { \ - if (irqs_enabled_from_flags(x)) \ - local_irq_enable (); \ -} while (0) +#define local_irq_restore(x) \ + do { \ + if (irqs_enabled_from_flags(x)) \ + local_irq_enable(); \ + } while (0) /* For spinlocks etc */ #define local_irq_save(x) __save_and_cli(x) @@ -119,9 +128,7 @@ extern unsigned long irq_flags; #define mb() asm volatile ("" : : :"memory") #define rmb() asm volatile ("" : : :"memory") #define wmb() asm volatile ("" : : :"memory") -#define set_rmb(var, value) do { (void) xchg(&var, value); } while (0) -#define set_mb(var, value) set_rmb(var, value) -#define set_wmb(var, value) do { var = value; wmb(); } while (0) +#define set_mb(var, value) do { (void) xchg(&var, value); } while (0) #define read_barrier_depends() do { } while(0)