/* * linux/arch/unicore32/include/asm/irqflags.h * * Code specific to PKUnity SoC and UniCore ISA * * Copyright (C) 2001-2010 GUAN Xue-tao * * 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 __UNICORE_IRQFLAGS_H__ #define __UNICORE_IRQFLAGS_H__ #ifdef __KERNEL__ #include <asm/ptrace.h> #define ARCH_IRQ_DISABLED (PRIV_MODE | PSR_I_BIT) #define ARCH_IRQ_ENABLED (PRIV_MODE) /* * Save the current interrupt enable state. */ static inline unsigned long arch_local_save_flags(void) { unsigned long temp; asm volatile("mov %0, asr" : "=r" (temp) : : "memory", "cc"); return temp & PSR_c; } /* * restore saved IRQ state */ static inline void arch_local_irq_restore(unsigned long flags) { unsigned long temp; asm volatile( "mov %0, asr\n" "mov.a asr, %1\n" "mov.f asr, %0" : "=&r" (temp) : "r" (flags) : "memory", "cc"); } #include <asm-generic/irqflags.h> #endif #endif