X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-sparc64%2Firqflags.h;h=27b091fc3fa09582b1cb189e796f65152c422ffd;hb=f5e706ad886b6a5eb59637830110b09ccebf01c5;hp=024fc54d068205befa262d80582d6dc591f34fe6;hpb=678f2b7df24c34f90fee264fa3a8069bca9c99ad;p=linux-2.6 diff --git a/include/asm-sparc64/irqflags.h b/include/asm-sparc64/irqflags.h index 024fc54d06..27b091fc3f 100644 --- a/include/asm-sparc64/irqflags.h +++ b/include/asm-sparc64/irqflags.h @@ -1,89 +1 @@ -/* - * include/asm-sparc64/irqflags.h - * - * IRQ flags handling - * - * This file gets included from lowlevel asm headers too, to provide - * wrapped versions of the local_irq_*() APIs, based on the - * raw_local_irq_*() functions from the lowlevel headers. - */ -#ifndef _ASM_IRQFLAGS_H -#define _ASM_IRQFLAGS_H - -#ifndef __ASSEMBLY__ - -static inline unsigned long __raw_local_save_flags(void) -{ - unsigned long flags; - - __asm__ __volatile__( - "rdpr %%pil, %0" - : "=r" (flags) - ); - - return flags; -} - -#define raw_local_save_flags(flags) \ - do { (flags) = __raw_local_save_flags(); } while (0) - -static inline void raw_local_irq_restore(unsigned long flags) -{ - __asm__ __volatile__( - "wrpr %0, %%pil" - : /* no output */ - : "r" (flags) - : "memory" - ); -} - -static inline void raw_local_irq_disable(void) -{ - __asm__ __volatile__( - "wrpr 15, %%pil" - : /* no outputs */ - : /* no inputs */ - : "memory" - ); -} - -static inline void raw_local_irq_enable(void) -{ - __asm__ __volatile__( - "wrpr 0, %%pil" - : /* no outputs */ - : /* no inputs */ - : "memory" - ); -} - -static inline int raw_irqs_disabled_flags(unsigned long flags) -{ - return (flags > 0); -} - -static inline int raw_irqs_disabled(void) -{ - unsigned long flags = __raw_local_save_flags(); - - return raw_irqs_disabled_flags(flags); -} - -/* - * For spinlocks, etc: - */ -static inline unsigned long __raw_local_irq_save(void) -{ - unsigned long flags = __raw_local_save_flags(); - - raw_local_irq_disable(); - - return flags; -} - -#define raw_local_irq_save(flags) \ - do { (flags) = __raw_local_irq_save(); } while (0) - -#endif /* (__ASSEMBLY__) */ - -#endif /* !(_ASM_IRQFLAGS_H) */ +#include