diff options
Diffstat (limited to 'arch/powerpc/boot/reg.h')
| -rw-r--r-- | arch/powerpc/boot/reg.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/boot/reg.h b/arch/powerpc/boot/reg.h new file mode 100644 index 00000000000..d3cd9ee98af --- /dev/null +++ b/arch/powerpc/boot/reg.h @@ -0,0 +1,22 @@ +#ifndef _PPC_BOOT_REG_H +#define _PPC_BOOT_REG_H +/* + * Copyright 2007 Davud Gibson, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +static inline u32 mfpvr(void) +{ + u32 pvr; + asm volatile ("mfpvr %0" : "=r"(pvr)); + return pvr; +} + +register void *__stack_pointer asm("r1"); +#define get_sp() (__stack_pointer) + +#endif /* _PPC_BOOT_REG_H */ |