[Xen-devel] [PATCH 2 of 4] minios/console: console_input() weak reference

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

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@xxxxxxxxxx>

diff -r 505992114832 -r 29138c27eb72 extras/mini-os/console/console.c
--- a/extras/mini-os/console/console.c
+++ b/extras/mini-os/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,
     }
 }
 
+#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 */

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