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// SPDX-License-Identifier: GPL-2.0
/*
* printf.c: Internal prom library printf facility.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
/* This routine is internal to the prom library, no one else should know
* about or use it! It's simple and smelly anyway....
*/
#include <linux/kernel.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
#ifdef CONFIG_KGDB
extern int kgdb_initialized;
#endif
static char ppbuf[1024];
void
prom_printf(char *fmt, ...)
{
va_list args;
char ch, *bptr;
va_start(args, fmt);
#ifdef CONFIG_KGDB
ppbuf[0] = 'O';
vsprintf(ppbuf + 1, fmt, args) + 1;
#else
vsprintf(ppbuf, fmt, args);
#endif
bptr = ppbuf;
#ifdef CONFIG_KGDB
if (kgdb_initialized) {
pr_info("kgdb_initialized = %d\n", kgdb_initialized);
putpacket(bptr, 1);
} else
#else
while((ch = *(bptr++)) != 0) {
if(ch == '\n')
prom_putchar('\r');
prom_putchar(ch);
}
#endif
va_end(args);
return;
}
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