1 #ifndef __ASM_CRIS_ARCH_SYSTEM_H
2 #define __ASM_CRIS_ARCH_SYSTEM_H
3 
4 
5 /* read the CPU version register */
6 
rdvr(void)7 static inline unsigned long rdvr(void) {
8 	unsigned char vr;
9 	__asm__ volatile ("move $vr,%0" : "=rm" (vr));
10 	return vr;
11 }
12 
13 #define cris_machine_name "cris"
14 
15 /* read/write the user-mode stackpointer */
16 
rdusp(void)17 static inline unsigned long rdusp(void) {
18 	unsigned long usp;
19 	__asm__ __volatile__("move $usp,%0" : "=rm" (usp));
20 	return usp;
21 }
22 
23 #define wrusp(usp) \
24 	__asm__ __volatile__("move %0,$usp" : /* no outputs */ : "rm" (usp))
25 
26 /* read the current stackpointer */
27 
rdsp(void)28 static inline unsigned long rdsp(void) {
29 	unsigned long sp;
30 	__asm__ __volatile__("move.d $sp,%0" : "=rm" (sp));
31 	return sp;
32 }
33 
_get_base(char * addr)34 static inline unsigned long _get_base(char * addr)
35 {
36   return 0;
37 }
38 
39 #endif
40