| David Gibson | e5a2072 | 2007-03-22 17:02:21 +1100 | [diff] [blame^] | 1 | #ifndef _PPC_BOOT_REG_H |
| 2 | #define _PPC_BOOT_REG_H |
| 3 | /* |
| 4 | * Copyright 2007 Davud Gibson, IBM Corporation. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | static inline u32 mfpvr(void) |
| 13 | { |
| 14 | u32 pvr; |
| 15 | asm volatile ("mfpvr %0" : "=r"(pvr)); |
| 16 | return pvr; |
| 17 | } |
| 18 | |
| 19 | register void *__stack_pointer asm("r1"); |
| 20 | #define get_sp() (__stack_pointer) |
| 21 | |
| 22 | #endif /* _PPC_BOOT_REG_H */ |