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https://github.com/torvalds/linux
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Tip revision: 9e0babf2c06c73cda2c0cd37a1653d823adb40ec authored by Linus Torvalds on 16 June 2019, 18:49:45 UTC
Linux 5.2-rc5
Tip revision: 9e0babf
bl_bit_64.h
/* SPDX-License-Identifier: GPL-2.0
 *
 * Copyright (C) 2000, 2001  Paolo Alberelli
 * Copyright (C) 2003  Paul Mundt
 * Copyright (C) 2004  Richard Curnow
 */
#ifndef __ASM_SH_BL_BIT_64_H
#define __ASM_SH_BL_BIT_64_H

#include <asm/processor.h>

#define SR_BL_LL	0x0000000010000000LL

static inline void set_bl_bit(void)
{
	unsigned long long __dummy0, __dummy1 = SR_BL_LL;

	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
			     "or	%0, %1, %0\n\t"
			     "putcon	%0, " __SR "\n\t"
			     : "=&r" (__dummy0)
			     : "r" (__dummy1));

}

static inline void clear_bl_bit(void)
{
	unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;

	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
			     "and	%0, %1, %0\n\t"
			     "putcon	%0, " __SR "\n\t"
			     : "=&r" (__dummy0)
			     : "r" (__dummy1));
}

#endif /* __ASM_SH_BL_BIT_64_H */
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