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| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:13 -0500 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:25 +0200 |
| commit | c6fb83d21729321426308c3acff2a3dfb20d250b (patch) | |
| tree | 85b569582345fdd9361d8524df08e92251c84a59 /arch/blackfin/cpu/os_log.c | |
| parent | a4145534851bf74619cb373a942613a74547bb82 (diff) | |
| download | u-boot-imx-c6fb83d21729321426308c3acff2a3dfb20d250b.zip u-boot-imx-c6fb83d21729321426308c3acff2a3dfb20d250b.tar.gz u-boot-imx-c6fb83d21729321426308c3acff2a3dfb20d250b.tar.bz2 | |
blackfin: Move cpu/blackfin/* to arch/blackfin/cpu/*
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/blackfin/cpu/os_log.c')
| -rw-r--r-- | arch/blackfin/cpu/os_log.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/blackfin/cpu/os_log.c b/arch/blackfin/cpu/os_log.c new file mode 100644 index 0000000..e1c8e29 --- /dev/null +++ b/arch/blackfin/cpu/os_log.c @@ -0,0 +1,30 @@ +/* + * functions for handling OS log buffer + * + * Copyright (c) 2009 Analog Devices Inc. + * + * Licensed under the 2-clause BSD. + */ + +#include <common.h> + +#define OS_LOG_MAGIC 0xDEADBEEF +#define OS_LOG_MAGIC_ADDR ((unsigned long *)0x4f0) +#define OS_LOG_PTR_ADDR ((char **)0x4f4) + +bool bfin_os_log_check(void) +{ + if (*OS_LOG_MAGIC_ADDR != OS_LOG_MAGIC) + return false; + *OS_LOG_MAGIC_ADDR = 0; + return true; +} + +void bfin_os_log_dump(void) +{ + char *log = *OS_LOG_PTR_ADDR; + while (*log) { + puts(log); + log += strlen(log) + 1; + } +} |