Add qemu 2.4.0

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

1 files changed, 300 insertions, 0 deletions

diff --git a/qemu/roms/SLOF/slof/fs/boot.fs b/qemu/roms/SLOF/slof/fs/boot.fs
new file mode 100644
index 000000000..9a0ded0c2
--- /dev/null
+++ b/qemu/roms/SLOF/slof/fs/boot.fs
@@ -0,0 +1,300 @@
+\ *****************************************************************************
+\ * 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
+\ ****************************************************************************/
+
+0 VALUE load-size
+0 VALUE go-entry
+VARIABLE state-valid false state-valid !
+CREATE go-args 2 cells allot go-args 2 cells erase
+
+\ \\\\\\\\\\\\\\ Structure/Implementation Dependent Methods
+
+: $bootargs
+   bootargs 2@ ?dup IF
+   ELSE s" diagnostic-mode?" evaluate and IF s" diag-file" evaluate
+   ELSE s" boot-file" evaluate THEN THEN
+;
+
+: $bootdev ( -- device-name len )
+   bootdevice 2@ dup IF s"  " $cat THEN
+   s" diagnostic-mode?" evaluate IF
+      s" diag-device" evaluate
+   ELSE
+      s" boot-device" evaluate
+   THEN
+   $cat \ prepend bootdevice setting from vpd-bootlist
+   strdup
+   ?dup 0= IF
+      disable-watchdog
+      drop true ABORT" No boot device!"
+   THEN
+;
+
+
+\ \\\\\\\\\\\\\\ Implementation Independent Methods (Depend on Previous)
+\ *
+\ *
+: set-boot-args ( str len -- ) dup IF strdup ELSE nip dup THEN bootargs 2! ;
+
+: (set-boot-device) ( str len -- )
+   ?dup IF 1+ strdup 1- ELSE drop 0 0 THEN bootdevice 2!
+;
+
+' (set-boot-device) to set-boot-device
+
+: (add-boot-device) ( str len -- )	\ Concatenate " str" to "bootdevice"
+   bootdevice 2@ ?dup IF $cat-space ELSE drop THEN set-boot-device
+;
+
+' (add-boot-device) to add-boot-device
+
+0 value claim-list
+
+: no-go ( -- ) -64 boot-exception-handler ABORT ;
+
+defer go ( -- )
+
+: go-32 ( -- )
+   state-valid @ IF
+      0 ciregs >r3 ! 0 ciregs >r4 !
+      go-args 2@ go-entry start-elf client-data
+      claim-list elf-release 0 to claim-list
+   THEN
+   -6d boot-exception-handler ABORT
+;
+
+: go-64 ( args len entry r2 -- )
+    0 ciregs >r3 ! 0 ciregs >r4 !
+    start-elf64 client-data
+    claim-list elf-release 0 to claim-list
+;
+
+: set-le ( -- )
+    1 ciregs >r13 !
+;
+
+: set-be ( -- )
+    0 ciregs >r13 !
+;
+
+: go-64-be ( -- )
+    state-valid @ IF
+	set-be
+	go-args 2@
+	go-entry @
+	go-entry 8 + @
+	go-64
+    THEN
+    -6d boot-exception-handler ABORT
+;
+
+
+: go-32-be
+    set-be
+    go-32
+;
+
+: go-32-lev1
+    set-le
+    go-32
+;
+
+: go-64-lev1
+    state-valid @ IF
+	go-args 2@
+	go-entry @ xbflip
+	go-entry 8 + @ xbflip
+	set-le
+	go-64
+    THEN
+    -6d boot-exception-handler ABORT
+;
+
+: go-64-lev2
+    state-valid @ IF
+	go-args 2@
+	go-entry 0
+	set-le
+	go-64
+    THEN
+    -6d boot-exception-handler ABORT
+;
+
+: load-elf-init ( arg len file-addr -- success )
+   false state-valid !                            \ Not valid anymore ...
+   claim-list IF                                    \ Release claimed mem
+      claim-list elf-release 0 to claim-list        \ from last load
+   THEN
+
+   true swap -1                       ( arg len true file-addr -1 )
+   elf-load-claim                     ( arg len true claim-list entry elftype )
+
+   ( arg len true claim-list entry elftype )
+   CASE
+      1  OF ['] go-32-be   ENDOF           ( arg len true claim-list entry go )
+      2  OF ['] go-64-be   ENDOF           ( arg len true claim-list entry go )
+      3  OF ['] go-64-lev1 ENDOF           ( arg len true claim-list entry go )
+      4  OF ['] go-64-lev2 ENDOF           ( arg len true claim-list entry go )
+      5  OF ['] go-32-lev1 ENDOF           ( arg len true claim-list entry go )
+      dup OF ['] no-go to go
+         2drop 3drop false EXIT   ENDOF                   ( false )
+   ENDCASE
+
+   to go to go-entry to claim-list
+   dup state-valid ! -rot
+
+   2 pick IF
+      go-args 2!
+   ELSE
+      2drop
+   THEN
+;
+
+: init-program ( -- )
+   $bootargs get-load-base ['] load-elf-init CATCH ?dup IF
+      boot-exception-handler
+      2drop 2drop false          \ Could not claim
+   ELSE IF
+         0 ciregs 2dup >r3 ! >r4 !  \ Valid (ELF ) Image
+      THEN
+   THEN
+;
+
+
+\ \\\\\\\\\\\\\\ Exported Interface:
+\ *
+\ Generic device load method:
+\ *
+
+: do-load ( devstr len -- img-size )	\ Device method wrapper
+   use-load-watchdog? IF
+      \ Set watchdog timer to 10 minutes, multiply with 2 because DHCP
+      \ needs 1 second per try and add 1 min to avoid race conditions
+      \ with watchdog timeout.
+      4ec set-watchdog
+   THEN
+   my-self >r current-node @ >r         \ Save my-self
+   ." Trying to load: " $bootargs type ."  from: " 2dup type ."  ... "
+   2dup open-dev dup IF
+      dup to my-self
+      dup ihandle>phandle set-node
+      -rot                              ( ihandle devstr len )
+      my-args nip 0= IF
+	 2dup 1- + c@ [char] : <> IF    \ Add : to device path if missing
+	    1+ strdup 2dup 1- + [char] : swap c!
+	 THEN
+      THEN
+      encode-string s" bootpath" set-chosen
+      $bootargs encode-string s" bootargs" set-chosen
+      get-load-base s" load" 3 pick ['] $call-method CATCH IF
+	-67 boot-exception-handler 3drop drop false
+      ELSE
+	 dup 0> IF
+	    init-program
+	 ELSE
+	    false state-valid !
+	    drop 0                                     \ Could not load
+	 THEN
+      THEN
+      swap close-dev device-end dup to load-size
+   ELSE -68 boot-exception-handler 3drop false THEN
+   r> set-node r> to my-self                           \ Restore my-self
+;
+
+: parse-load ( "{devlist}" -- success )	\ Parse-execute boot-device list
+   cr BEGIN parse-word dup WHILE
+	 ( de-alias ) do-load dup 0< IF drop 0 THEN IF
+	    state-valid @ IF ."   Successfully loaded" cr THEN
+	    true 0d parse strdup load-list 2! EXIT
+	 THEN
+   REPEAT 2drop 0 0 load-list 2! false
+;
+
+: load ( "{params}<eol>"} -- success )	\ Client interface to load
+   parse-word 0d parse -leading 2swap ?dup IF
+      de-alias
+      set-boot-device
+   ELSE
+      drop
+   THEN
+   set-boot-args s" parse-load " $bootdev $cat strdup evaluate
+;
+
+: load-next ( -- success )	\ Continue after go failed
+   load-list 2@ ?dup IF s" parse-load " 2swap $cat strdup evaluate
+   ELSE drop false THEN
+;
+
+\ \\\\\\\\\\\\\\\\\\\\\\\\\\
+\ load/go utilities
+\ -> Should be in loaders.fs
+
+: noload false ;
+
+' no-go to go
+
+: (go-and-catch)  ( -- )
+   \ Recommended Practice: Forth Source Support (scripts starting with comment)
+   get-load-base c@ 5c =  get-load-base 1+ c@ 20 = AND IF
+      load-size alloc-mem            ( allocated-addr )
+      ?dup 0= IF ." alloc-mem failed." cr EXIT THEN
+      load-size >r >r                ( R: allocate-addr load-size )
+      get-load-base r@ load-size move    \ Move away from load-base
+      r@ load-size evaluate          \ Run the script
+      r> r> free-mem
+      EXIT
+   THEN
+   \ Assume it's a normal executable, use "go" to run it:
+   ['] go behavior CATCH IF -69 boot-exception-handler THEN
+;
+
+
+\ if the board does not get the bootlist from the nvram
+\ then this word is supposed to be overloaded with the
+\ word to get the bootlist from VPD (or from wheresoever)
+read-bootlist
+
+\ \\\\\\\\\\\\\\ Exported Interface:
+\ *
+\ IEEE 1275 : load (user interface)
+\ *
+: boot
+   load 0= IF -65 boot-exception-handler EXIT THEN
+   disable-watchdog (go-and-catch)
+   BEGIN load-next WHILE
+      disable-watchdog (go-and-catch)
+   REPEAT
+
+   \ When we return from boot print the banner again.
+   .banner
+;
+
+: load load 0= IF -65 boot-exception-handler THEN ;
+
+\ \\\\ Temporary hacks for backwards compatibility
+: yaboot ." Use 'boot disk' instead " ;
+
+: netboot ( -- rc ) ." Use 'boot net' instead " ;
+
+: netboot-arg ( arg-string -- rc )
+   s" boot net " 2swap $cat (parse-line) $cat
+   evaluate
+;
+
+: netload ( -- rc ) (parse-line)
+   load-base-override >r flash-load-base to load-base-override
+   s" load net:" strdup 2swap $cat strdup evaluate
+   r> to load-base-override
+   load-size
+;
+
+: neteval ( -- ) FLASH-LOAD-BASE netload evaluate ;
+