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/* 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 "cris"
/* read/write the user-mode stackpointer */
static inline unsigned long rdusp(void) {
unsigned long usp;
__asm__ __volatile__("move $usp,%0" : "=rm" (usp));
return usp;
}
#define wrusp(usp) \
__asm__ __volatile__("move %0,$usp" : /* no outputs */ : "rm" (usp))
/* read the current stackpointer */
static inline unsigned long rdsp(void) {
unsigned long sp;
__asm__ __volatile__("move.d $sp,%0" : "=rm" (sp));
return sp;
}
static inline unsigned long _get_base(char * addr)
{
return 0;
}
#endif
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