Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / SLOF / board-qemu / slof / tree.fs

diff --git a/qemu/roms/SLOF/board-qemu/slof/tree.fs b/qemu/roms/SLOF/board-qemu/slof/tree.fs
new file mode 100644 (file)
index 0000000..4aba4c5
--- /dev/null
+++ b/qemu/roms/SLOF/board-qemu/slof/tree.fs
@@ -0,0 +1,193 @@
+\ *****************************************************************************
+\ * Copyright (c) 2004, 2011 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
+\ ****************************************************************************/
+
+: strequal ( str1 len1 str2 len2 -- flag )
+  rot dup rot = IF comp 0= ELSE 2drop drop 0 THEN ; 
+
+400 cp
+
+\ The root of the device tree and some of its kids.
+" /" find-device
+
+\ The following properties have been provided by the FDT from QEMU already,
+\ so we do not have to create them on our own:
+
+\ " QEMU" encode-string s" model" property
+\ 2 encode-int s" #address-cells" property
+\ 2 encode-int s" #size-cells" property
+\ s" chrp" device-type
+
+480 cp
+
+\ See 3.6.5, and the PowerPC OF binding document.
+new-device
+s" mmu" 2dup device-name device-type
+0 0 s" translations" property
+
+: open  true ;
+: close ;
+
+finish-device
+device-end
+
+4c0 cp
+
+\ Fixup timebase frequency from device-tree
+: fixup-tbfreq
+    " /cpus/@0" find-device
+    " timebase-frequency" get-node get-package-property IF
+        2drop
+    ELSE
+        decode-int to tb-frequency 2drop
+    THEN
+    device-end
+;
+fixup-tbfreq
+
+4d0 cp
+
+include fbuffer.fs
+
+500 cp
+
+: populate-vios ( -- )
+    \ Populate the /vdevice children with their methods
+    \ WARNING: Quite a few SLOFisms here like get-node, set-node, ...
+
+    ." Populating /vdevice methods" cr
+    " /vdevice" find-device get-node child
+    BEGIN
+        dup 0 <>
+    WHILE
+        dup set-node
+        dup " compatible" rot get-package-property 0 = IF
+            drop dup from-cstring
+            2dup " hvterm1" strequal IF
+                " vio-hvterm.fs" included
+            THEN
+            2dup " IBM,v-scsi" strequal IF
+                " vio-vscsi.fs" included
+            THEN
+            2dup " IBM,l-lan" strequal IF
+                " vio-veth.fs" included
+            THEN
+           2dup " qemu,spapr-nvram" strequal IF
+               " rtas-nvram.fs" included
+           THEN
+            2drop
+       THEN
+       peer
+    REPEAT drop
+
+    device-end
+;
+
+\ Now do it
+populate-vios
+
+580 cp
+
+5a0 cp
+
+#include "pci-scan.fs"
+
+: populate-pci-busses ( -- )
+    \ Populate the /pci* children with their methods
+    " /" find-device get-node child
+    BEGIN
+        dup 0 <>
+    WHILE
+        dup set-node
+        dup " name" rot get-package-property 0 = IF
+            drop dup from-cstring
+            2dup s" pci" strequal IF
+                s" pci-phb.fs" included
+            THEN
+            2drop
+       THEN
+       peer
+    REPEAT drop
+
+    device-end
+;
+
+populate-pci-busses
+
+600 cp
+
+: check-patch-kernel-sc1 ( -- )
+    \ At this point we can try our best to patch the kernel. This function
+    \ gets called from the "quiesce" call that kernels execute before they
+    \ take over the system.
+    \
+    \ Here we know that ciregs->r4 contains the return address that gets us
+    \ back into enter_prom inside the guest kernel.
+    \ We assume that within a range of +- 16MB of that pointer all sc 1
+    \ instructions inside of that kernel reside.
+
+    \ test_ins (instruction that tells us the kernel's endianness; we use the
+    \           return address back into the kernel here.)
+    ciregs >r4 @
+    \ test_ins + 16MB (end of search range)
+    dup 1000000 +
+    \ MAX(test_ins - 16MB, 0) (start of search range)
+    dup 2000000 < IF 0 ELSE dup 2000000 - THEN
+    swap
+    check-and-patch-sc1
+;
+
+\ Add sc 1 patching
+' check-patch-kernel-sc1 add-quiesce-xt
+
+\ Add rtas cleanup last
+' rtas-quiesce add-quiesce-xt
+
+640 cp
+
+690 cp
+
+6a0 cp
+
+6a8 cp
+
+6b0 cp
+
+6b8 cp
+
+6c0 cp
+
+s" /cpus/@0" open-dev encode-int s" cpu" set-chosen
+s" /memory@0" open-dev encode-int s" memory" set-chosen
+
+6e0 cp
+
+700 cp
+
+\ See 3.5.
+s" /openprom" find-device
+   s" SLOF," slof-build-id here swap rmove here slof-build-id nip $cat encode-string s" model" property
+   0 0 s" relative-addressing" property
+device-end
+
+s" /aliases" find-device
+   : open  true ;
+   : close ;
+device-end
+
+s" /mmu" open-dev encode-int s" mmu" set-chosen
+
+#include "available.fs"
+
+\ Setup terminal IO
+
+#include <term-io.fs>
+