minios/console: console_input() weak reference

In exactly the same style as app_main() in kernel.c, create a weak
reference console_input() function for applications to override to
quickly gain access to the console.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Committed-by: Keir Fraser <keir@xen.org>

diff --git a/console/console.c b/console/console.c
index fec3791c20f257b02f84a1d9c17cf0474e3324eb..380f53ca177382fbbc87d9eac69882c46b330a65 100644 (file)
--- a/console/console.c
+++ b/console/console.c
@@ -54,9 +54,7 @@
    NOTE: you need to enable verbose in xen/Rules.mk for it to work. */
 static int console_initialised = 0;
 
-
-#ifndef HAVE_LIBC
-void xencons_rx(char *buf, unsigned len, struct pt_regs *regs)
+__attribute__((weak)) void console_input(char * buf, unsigned len)
 {
     if(len > 0)
     {
@@ -69,6 +67,12 @@ void xencons_rx(char *buf, unsigned len, struct pt_regs *regs)
     }
 }
 
+#ifndef HAVE_LIBC
+void xencons_rx(char *buf, unsigned len, struct pt_regs *regs)
+{
+    console_input(buf, len);
+}
+
 void xencons_tx(void)
 {
     /* Do nothing, handled by _rx */