[Qemu-devel] [4899] ARM: fix CPS masks (Vincent Palatin).

[Andrzej Zaborowski]

Revision: 4899
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4899
Author:   balrog
Date:     2008-07-19 10:34:35 +0000 (Sat, 19 Jul 2008)

Log Message:
-----------
ARM: fix CPS masks (Vincent Palatin).

According to ARM Reference Manual (DDI0100 A4.1.16),
bit 5 is fixed to 0 (bit 4 is the MSB of the mode), so the instruction mask
should be  0x0ff10020 not 0x0ff10010.
Besides, mmod flag is bit 17 (b14 is SBZ)

Modified Paths:
--------------
    trunk/target-arm/translate.c

Modified: trunk/target-arm/translate.c
===================================================================
--- trunk/target-arm/translate.c        2008-07-19 10:12:22 UTC (rev 4898)
+++ trunk/target-arm/translate.c        2008-07-19 10:34:35 UTC (rev 4899)
@@ -5813,7 +5813,7 @@
             /* Coprocessor double register transfer.  */
         } else if ((insn & 0x0f000010) == 0x0e000010) {
             /* Additional coprocessor register transfer.  */
-        } else if ((insn & 0x0ff10010) == 0x01000000) {
+        } else if ((insn & 0x0ff10020) == 0x01000000) {
             uint32_t mask;
             uint32_t val;
             /* cps (privileged) */
@@ -5830,7 +5830,7 @@
                 if (insn & (1 << 18))
                     val |= mask;
             }
-            if (insn & (1 << 14)) {
+            if (insn & (1 << 17)) {
                 mask |= CPSR_M;
                 val |= (insn & 0x1f);
             }