提交 af277149 编写于 作者: B Benjamin Herrenschmidt

powerpc: Improve prom_printf()

Adds the ability to print decimal numbers and adds some more
format string variants
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
上级 dd797738
......@@ -335,6 +335,7 @@ static void __init prom_printf(const char *format, ...)
const char *p, *q, *s;
va_list args;
unsigned long v;
long vs;
struct prom_t *_prom = &RELOC(prom);
va_start(args, format);
......@@ -368,12 +369,35 @@ static void __init prom_printf(const char *format, ...)
v = va_arg(args, unsigned long);
prom_print_hex(v);
break;
case 'd':
++q;
vs = va_arg(args, int);
if (vs < 0) {
prom_print(RELOC("-"));
vs = -vs;
}
prom_print_dec(vs);
break;
case 'l':
++q;
if (*q == 'u') { /* '%lu' */
if (*q == 0)
break;
else if (*q == 'x') {
++q;
v = va_arg(args, unsigned long);
prom_print_hex(v);
} else if (*q == 'u') { /* '%lu' */
++q;
v = va_arg(args, unsigned long);
prom_print_dec(v);
} else if (*q == 'd') { /* %ld */
++q;
vs = va_arg(args, long);
if (vs < 0) {
prom_print(RELOC("-"));
vs = -vs;
}
prom_print_dec(vs);
}
break;
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册