1#ifndef _PPC_BOOT_REG_H
2#define _PPC_BOOT_REG_H
3
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11
12static inline u32 mfpvr(void)
13{
14 u32 pvr;
15 asm volatile ("mfpvr %0" : "=r"(pvr));
16 return pvr;
17}
18
19#define __stringify_1(x) #x
20#define __stringify(x) __stringify_1(x)
21
22#define mfspr(rn) ({unsigned long rval; \
23 asm volatile("mfspr %0," __stringify(rn) \
24 : "=r" (rval)); rval; })
25#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
26
27register void *__stack_pointer asm("r1");
28#define get_sp() (__stack_pointer)
29
30#endif
31