Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / SLOF / board-js2x / llfw / stage_s.S

diff --git a/qemu/roms/SLOF/board-js2x/llfw/stage_s.S b/qemu/roms/SLOF/board-js2x/llfw/stage_s.S
new file mode 100644 (file)
index 0000000..202350f
--- /dev/null
+++ b/qemu/roms/SLOF/board-js2x/llfw/stage_s.S
@@ -0,0 +1,43 @@
+/******************************************************************************
+ * 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
+ *****************************************************************************/
+       .text
+       .org    0 /* after loading to mem this is at slaveloop_base */
+#      . = 0x3f00 loaded to this addr
+       .globl __stage_s_entry
+
+__stage_s_entry:
+       bl      $+4
+       mflr    r4
+       li      r3, 0xff
+       not     r3, r3
+       and     r4, r4, r3
+       li 0,1 ; std 0,0xf8(4)
+       li 0,0 ; std 0,0xa0(4)
+slaveloop:
+       ori 28,28,0x100
+       lis 0,10
+       mtctr 0
+       bdnz $          # do some waiting, to prevent flooding the buses
+       lwz 0,0xa0(4)
+       cmpw 0,28
+       bne $-20        # wait for our flag
+
+       lwz 0,0x80(4)
+       lwz 3,0xc0(4)
+       mtctr 0
+       bctr            # jump to specified address, with specified GPR3
+
+#      .quad   0       
+#      .quad   0       
+
+
+