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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-64-generic/arch/avr32/include/asm/ |
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/*
* Copyright (C) 2004-2006 Atmel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_AVR32_IRQFLAGS_H
#define __ASM_AVR32_IRQFLAGS_H
#include <linux/types.h>
#include <asm/sysreg.h>
static inline unsigned long arch_local_save_flags(void)
{
return sysreg_read(SR);
}
/*
* This will restore ALL status register flags, not only the interrupt
* mask flag.
*
* The empty asm statement informs the compiler of this fact while
* also serving as a barrier.
*/
static inline void arch_local_irq_restore(unsigned long flags)
{
sysreg_write(SR, flags);
asm volatile("" : : : "memory", "cc");
}
static inline void arch_local_irq_disable(void)
{
asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET) : "memory");
}
static inline void arch_local_irq_enable(void)
{
asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET) : "memory");
}
static inline bool arch_irqs_disabled_flags(unsigned long flags)
{
return (flags & SYSREG_BIT(GM)) != 0;
}
static inline bool arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags = arch_local_save_flags();
arch_local_irq_disable();
return flags;
}
#endif /* __ASM_AVR32_IRQFLAGS_H */