Viewing file: irqflags.h (905 B) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/arch/unicore32/include/asm/irqflags.h * * Code specific to PKUnity SoC and UniCore ISA * * Copyright (C) 2001-2010 GUAN Xue-tao */ #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
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