diff options
| -rw-r--r-- | arch/x86/boot/compressed/misc.c | 33 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/misc.h | 2 |
2 files changed, 25 insertions, 10 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index b99e08e6815b..bf2aac4f195e 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -164,21 +164,34 @@ void __putstr(const char *s) outb(0xff & (pos >> 1), vidport+1); } -void __puthex(unsigned long value) +static noinline void __putnum(unsigned long value, unsigned int base, + int mindig) { - char alpha[2] = "0"; - int bits; + char buf[8*sizeof(value)+1]; + char *p; - for (bits = sizeof(value) * 8 - 4; bits >= 0; bits -= 4) { - unsigned long digit = (value >> bits) & 0xf; + p = buf + sizeof(buf); + *--p = '\0'; - if (digit < 0xA) - alpha[0] = '0' + digit; - else - alpha[0] = 'a' + (digit - 0xA); + while (mindig-- > 0 || value) { + unsigned char digit = value % base; + digit += (digit >= 10) ? ('a'-10) : '0'; + *--p = digit; - __putstr(alpha); + value /= base; } + + __putstr(p); +} + +void __puthex(unsigned long value) +{ + __putnum(value, 16, sizeof(value)*2); +} + +void __putdec(unsigned long value) +{ + __putnum(value, 10, 1); } #ifdef CONFIG_X86_NEED_RELOCS diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index bc2f0f17fb90..6502bc69d1b8 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h @@ -63,8 +63,10 @@ void *malloc(int size); void free(void *where); void __putstr(const char *s); void __puthex(unsigned long value); +void __putdec(unsigned long value); #define error_putstr(__x) __putstr(__x) #define error_puthex(__x) __puthex(__x) +#define error_putdec(__x) __putdec(__x) #ifdef CONFIG_X86_VERBOSE_BOOTUP |