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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-09-26 20:29:49 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-09-27 09:44:54 +0200 |
| commit | bbbfb9f4f8a4951137ccd8495b97dfee927e7d80 (patch) | |
| tree | f376e3387c346ed19eb03bd418ebd11eb5f2c0b3 | |
| parent | 9ff0bf82adea1a3c407bdd42e07d7aed53dd0287 (diff) | |
| download | barebox-bbbfb9f4f8a4951137ccd8495b97dfee927e7d80.tar.gz barebox-bbbfb9f4f8a4951137ccd8495b97dfee927e7d80.tar.xz | |
ppc: add a get_pc() function
Useful to determine whether sdram has to be setup or not.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/ppc/include/asm/common.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/ppc/include/asm/common.h b/arch/ppc/include/asm/common.h index 96de5c6568..26876c748b 100644 --- a/arch/ppc/include/asm/common.h +++ b/arch/ppc/include/asm/common.h @@ -21,4 +21,21 @@ void trap_init (ulong); int cpu_init_board_data(bd_t *bd); int init_board_data(bd_t *bd); +static inline unsigned long get_pc(void) +{ + unsigned long pc; + + __asm__ __volatile__( + " mflr 0\n" + " bl 1f\n" + "1:\n" + " mflr %0\n" + " mtlr 0\n" + : "=r" (pc) + : + : "0", "memory"); + + return pc; +} + #endif /* __ASM_COMMON_H */ |