1 files changed, 56 insertions, 0 deletions
diff --git a/arch/m68k/sun3/prom/printf.c b/arch/m68k/sun3/prom/printf.c
new file mode 100644
index 0000000000..b6724cc667
--- /dev/null
+++ b/arch/m68k/sun3/prom/printf.c
@@ -0,0 +1,56 @@
+// 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;
+	int i;
+
+	va_start(args, fmt);
+
+#ifdef CONFIG_KGDB
+	ppbuf[0] = 'O';
+	i = vsprintf(ppbuf + 1, fmt, args) + 1;
+#else
+	i = 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;
+}