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| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:08 -0500 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:12 +0200 | 
| commit | 819833af39a91fa1c1e8252862bbda6f5a602f7b (patch) | |
| tree | d5c9d1628643347ab2b5a8085acfa6f96709fda3 /arch/sh/include/asm/irqflags.h | |
| parent | 61f2b38a17f5b21c59f2afe6cf1cbb5f28638cf9 (diff) | |
| download | olio-uboot-2014.01-819833af39a91fa1c1e8252862bbda6f5a602f7b.tar.xz olio-uboot-2014.01-819833af39a91fa1c1e8252862bbda6f5a602f7b.zip | |
Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/sh/include/asm/irqflags.h')
| -rw-r--r-- | arch/sh/include/asm/irqflags.h | 126 | 
1 files changed, 126 insertions, 0 deletions
| diff --git a/arch/sh/include/asm/irqflags.h b/arch/sh/include/asm/irqflags.h new file mode 100644 index 000000000..830e5486a --- /dev/null +++ b/arch/sh/include/asm/irqflags.h @@ -0,0 +1,126 @@ +#ifndef __ASM_SH_IRQFLAGS_H +#define __ASM_SH_IRQFLAGS_H + +static inline void raw_local_irq_enable(void) +{ +	unsigned long __dummy0, __dummy1; + +	__asm__ __volatile__ ( +		"stc	sr, %0\n\t" +		"and	%1, %0\n\t" +#ifdef CONFIG_CPU_HAS_SR_RB +		"stc	r6_bank, %1\n\t" +		"or	%1, %0\n\t" +#endif +		"ldc	%0, sr\n\t" +		: "=&r" (__dummy0), "=r" (__dummy1) +		: "1" (~0x000000f0) +		: "memory" +	); +} + +static inline void raw_local_irq_disable(void) +{ +	unsigned long flags; + +	__asm__ __volatile__ ( +		"stc	sr, %0\n\t" +		"or	#0xf0, %0\n\t" +		"ldc	%0, sr\n\t" +		: "=&z" (flags) +		: /* no inputs */ +		: "memory" +	); +} + +static inline void set_bl_bit(void) +{ +	unsigned long __dummy0, __dummy1; + +	__asm__ __volatile__ ( +		"stc	sr, %0\n\t" +		"or	%2, %0\n\t" +		"and	%3, %0\n\t" +		"ldc	%0, sr\n\t" +		: "=&r" (__dummy0), "=r" (__dummy1) +		: "r" (0x10000000), "r" (0xffffff0f) +		: "memory" +	); +} + +static inline void clear_bl_bit(void) +{ +	unsigned long __dummy0, __dummy1; + +	__asm__ __volatile__ ( +		"stc	sr, %0\n\t" +		"and	%2, %0\n\t" +		"ldc	%0, sr\n\t" +		: "=&r" (__dummy0), "=r" (__dummy1) +		: "1" (~0x10000000) +		: "memory" +	); +} + +static inline unsigned long __raw_local_save_flags(void) +{ +	unsigned long flags; + +	__asm__ __volatile__ ( +		"stc	sr, %0\n\t" +		"and	#0xf0, %0\n\t" +		: "=&z" (flags) +		: /* no inputs */ +		: "memory" +	); + +	return flags; +} + +#define raw_local_save_flags(flags) \ +		do { (flags) = __raw_local_save_flags(); } while (0) + +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); +} + +static inline unsigned long __raw_local_irq_save(void) +{ +	unsigned long flags, __dummy; + +	__asm__ __volatile__ ( +		"stc	sr, %1\n\t" +		"mov	%1, %0\n\t" +		"or	#0xf0, %0\n\t" +		"ldc	%0, sr\n\t" +		"mov	%1, %0\n\t" +		"and	#0xf0, %0\n\t" +		: "=&z" (flags), "=&r" (__dummy) +		: /* no inputs */ +		: "memory" +	); + +	return flags; +} + +#define raw_local_irq_save(flags) \ +		do { (flags) = __raw_local_irq_save(); } while (0) + +#define local_irq_save raw_local_irq_save + +static inline void raw_local_irq_restore(unsigned long flags) +{ +	if ((flags & 0xf0) != 0xf0) +		raw_local_irq_enable(); +} +#define local_irq_restore raw_local_irq_restore + +#endif /* __ASM_SH_IRQFLAGS_H */ |