powerpc: Merge xmon

The merged version follows the ppc64 version pretty closely mostly,
and in fact ARCH=ppc64 now uses the arch/powerpc/xmon version.
The main difference for ppc64 is that the 'p' command to call
show_state (which was always pretty dodgy) has been replaced by
the ppc32 'p' command, which calls a given procedure (so in fact
the old 'p' command behaviour can be achieved with 'p $show_state').

Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/arch/powerpc/xmon/subr_prf.c b/arch/powerpc/xmon/subr_prf.c
new file mode 100644
index 00000000000..b48738c6dd3
--- /dev/null
+++ b/arch/powerpc/xmon/subr_prf.c
@@ -0,0 +1,54 @@
+/*
+ * Written by Cort Dougan to replace the version originally used
+ * by Paul Mackerras, which came from NetBSD and thus had copyright
+ * conflicts with Linux.
+ *
+ * This file makes liberal use of the standard linux utility
+ * routines to reduce the size of the binary.  We assume we can
+ * trust some parts of Linux inside the debugger.
+ *   -- Cort (cort@cs.nmt.edu)
+ *
+ * Copyright (C) 1999 Cort Dougan.
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/module.h>
+#include <stdarg.h>
+#include "nonstdio.h"
+
+extern int xmon_write(void *, void *, int);
+
+void xmon_vfprintf(void *f, const char *fmt, va_list ap)
+{
+	static char xmon_buf[2048];
+	int n;
+
+	n = vsprintf(xmon_buf, fmt, ap);
+	xmon_write(f, xmon_buf, n);
+}
+
+void xmon_printf(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	xmon_vfprintf(stdout, fmt, ap);
+	va_end(ap);
+}
+EXPORT_SYMBOL(xmon_printf);
+
+void xmon_fprintf(void *f, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	xmon_vfprintf(f, fmt, ap);
+	va_end(ap);
+}
+