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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/unicore32/include/asm/irqflags.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/unicore32/include/asm/irqflags.h')
-rw-r--r-- | kernel/arch/unicore32/include/asm/irqflags.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/kernel/arch/unicore32/include/asm/irqflags.h b/kernel/arch/unicore32/include/asm/irqflags.h new file mode 100644 index 000000000..6d8a28dfd --- /dev/null +++ b/kernel/arch/unicore32/include/asm/irqflags.h @@ -0,0 +1,53 @@ +/* + * 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 |