[mirror_ubuntu-hirsute-kernel.git] / arch / cris / include / arch-v32 / arch / system.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_CRIS_ARCH_SYSTEM_H
#define _ASM_CRIS_ARCH_SYSTEM_H


/* Read the CPU version register. */
static inline unsigned long rdvr(void)
{
	unsigned char vr;

	__asm__ __volatile__ ("move $vr, %0" : "=rm" (vr));
	return vr;
}

#define cris_machine_name "crisv32"

/* Read the user-mode stack pointer. */
static inline unsigned long rdusp(void)
{
	unsigned long usp;

	__asm__ __volatile__ ("move $usp, %0" : "=rm" (usp));
	return usp;
}

/* Read the current stack pointer. */
static inline unsigned long rdsp(void)
{
	unsigned long sp;

	__asm__ __volatile__ ("move.d $sp, %0" : "=rm" (sp));
	return sp;
}

/* Write the user-mode stack pointer. */
#define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp))

#endif /* _ASM_CRIS_ARCH_SYSTEM_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
51533b61 MS	2	#ifndef _ASM_CRIS_ARCH_SYSTEM_H
	3	#define _ASM_CRIS_ARCH_SYSTEM_H
	4
51533b61 MS	5
51533b61 MS	6	/* Read the CPU version register. */
d9b5444e	7	static inline unsigned long rdvr(void)
51533b61 MS	8	{
	9	unsigned char vr;
	10
	11	__asm__ __volatile__ ("move $vr, %0" : "=rm" (vr));
	12	return vr;
	13	}
	14
	15	#define cris_machine_name "crisv32"
	16
	17	/* Read the user-mode stack pointer. */
d9b5444e	18	static inline unsigned long rdusp(void)
51533b61 MS	19	{
	20	unsigned long usp;
	21
	22	__asm__ __volatile__ ("move $usp, %0" : "=rm" (usp));
	23	return usp;
	24	}
	25
	26	/* Read the current stack pointer. */
d9b5444e	27	static inline unsigned long rdsp(void)
51533b61 MS	28	{
	29	unsigned long sp;
	30
	31	__asm__ __volatile__ ("move.d $sp, %0" : "=rm" (sp));
	32	return sp;
	33	}
	34
	35	/* Write the user-mode stack pointer. */
	36	#define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp))
	37
51533b61	38	#endif /* _ASM_CRIS_ARCH_SYSTEM_H */