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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _PPC_BOOT_REG_H
#define _PPC_BOOT_REG_H
/*
* Copyright 2007 Davud Gibson, IBM Corporation.
*/
static inline u32 mfpvr(void)
{
u32 pvr;
asm volatile ("mfpvr %0" : "=r"(pvr));
return pvr;
}
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
: "=r" (rval)); rval; })
#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
register void *__stack_pointer asm("r1");
#define get_sp() (__stack_pointer)
#endif /* _PPC_BOOT_REG_H */
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