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author | David S. Miller <davem@davemloft.net> | 2010-01-22 22:45:46 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2010-01-22 22:45:46 -0800 |
commit | 6be325719b3e54624397e413efd4b33a997e55a3 (patch) | |
tree | 57f321a56794cab2222e179b16731e0d76a4a68a /arch/mips/boot/compressed/dbg.c | |
parent | 26d92f9276a56d55511a427fb70bd70886af647a (diff) | |
parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/mips/boot/compressed/dbg.c')
-rw-r--r-- | arch/mips/boot/compressed/dbg.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/mips/boot/compressed/dbg.c b/arch/mips/boot/compressed/dbg.c new file mode 100644 index 000000000000..ff4dc7a33a9f --- /dev/null +++ b/arch/mips/boot/compressed/dbg.c @@ -0,0 +1,37 @@ +/* + * MIPS-specific debug support for pre-boot environment + * + * NOTE: putc() is board specific, if your board have a 16550 compatible uart, + * please select SYS_SUPPORTS_ZBOOT_UART16550 for your machine. othewise, you + * need to implement your own putc(). + */ + +#include <linux/init.h> +#include <linux/types.h> + +void __attribute__ ((weak)) putc(char c) +{ +} + +void puts(const char *s) +{ + char c; + while ((c = *s++) != '\0') { + putc(c); + if (c == '\n') + putc('\r'); + } +} + +void puthex(unsigned long long val) +{ + + unsigned char buf[10]; + int i; + for (i = 7; i >= 0; i--) { + buf[i] = "0123456789ABCDEF"[val & 0x0F]; + val >>= 4; + } + buf[8] = '\0'; + puts(buf); +} |