Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/qemu/roms/SLOF/slof/fs/logging.fs b/qemu/roms/SLOF/slof/fs/logging.fs
new file mode 100644
index 000000000..002c48091
--- /dev/null
+++ b/qemu/roms/SLOF/slof/fs/logging.fs
@@ -0,0 +1,45 @@
+\ *****************************************************************************
+\ * Copyright (c) 2004, 2008 IBM Corporation
+\ * All rights reserved.
+\ * This program and the accompanying materials
+\ * are made available under the terms of the BSD License
+\ * which accompanies this distribution, and is available at
+\ * http://www.opensource.org/licenses/bsd-license.php
+\ *
+\ * Contributors:
+\ *     IBM Corporation - initial implementation
+\ ****************************************************************************/
+
+\ Words to write to nvram log
+
+defer nvramlog-write-byte
+
+: .nvramlog-write-byte ( byte -- )
+#if defined(DISABLE_NVRAM) || defined(RTAS_NVRAM)
+        drop
+#else
+        0 1 asm-cout
+#endif
+;
+
+' .nvramlog-write-byte to nvramlog-write-byte
+
+: nvramlog-write-string ( str len -- )
+   dup 0> IF
+      0 DO dup c@ 
+      nvramlog-write-byte char+ LOOP
+   ELSE
+      drop
+   THEN drop ;
+
+: nvramlog-write-number ( number format -- )
+  0 swap <# 0 ?DO # LOOP #> 
+  nvramlog-write-string ;
+
+: nvramlog-write-string-cr ( str len -- )
+  nvramlog-write-string
+  a nvramlog-write-byte d nvramlog-write-byte ;
+
+\ as long as dual-emit is enabled
+\ the string is written into NVRAM as well!!
+: log-string ( str len -- ) type ;