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author | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 15:54:21 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 15:54:21 -0500 |
commit | 0223e595f4033e91e93403a7317bcc9e47676b8f (patch) | |
tree | 2ccd7127bc343f82456b76eeb0da2d380f6eaf65 /arch/blackfin/cpu/os_log.c | |
download | ast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.zip ast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.tar.gz |
Initial import of modified u-boot tree
Original upstream URL:
git://git.denx.de/u-boot.git
Original upstream GIT hash:
62c175fbb8a0f9a926c88294ea9f7e88eb898f6c
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; + } +} |