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List:       openbios
Subject:    [OpenBIOS] [commit] r762 - trunk/openbios-devel/arch/ppc/qemu
From:       repository service <svn () openbios ! org>
Date:       2010-04-30 20:57:28
Message-ID: E1O7xH6-0003zt-2X () ra ! coresystems ! de
[Download RAW message or body]

Author: mcayland
Date: Fri Apr 30 22:57:27 2010
New Revision: 762
URL: http://tracker.coreboot.org/trac/openbios/changeset/762

Log:
Fix for PPC bootloaders that force the output to the "screen" device when -nographic \
is used with qemu. Note that this isn't a  complete fix in that the VGA device is \
still present within the device tree, but it at least allows the bootloader and \
kernel to  execute far enough to prevent you from wondering why the console has \
apparently frozen.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>

Modified:
   trunk/openbios-devel/arch/ppc/qemu/init.c

Modified: trunk/openbios-devel/arch/ppc/qemu/init.c
==============================================================================
--- trunk/openbios-devel/arch/ppc/qemu/init.c	Fri Apr 30 22:54:03 2010	(r761)
+++ trunk/openbios-devel/arch/ppc/qemu/init.c	Fri Apr 30 22:57:27 2010	(r762)
@@ -658,6 +658,17 @@
                        stdin_path = "sccb";
                        stdout_path = "sccb";
                 }
+
+		/* Some bootloaders force the output to the screen device, so
+		   let's create a screen alias for the serial device too */
+        	push_str("/aliases");
+		fword("find-device");
+
+		push_str(stdout_path);
+		fword("pathres-resolve-aliases");
+		fword("encode-string");
+		push_str("screen");
+		fword("property");
         } else {
                 stdin_path = "adb-keyboard";
                 stdout_path = "screen";

-- 
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