diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/arm/nwfpe/fpa11.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/linux-user/arm/nwfpe/fpa11.c b/linux-user/arm/nwfpe/fpa11.c index 441e3b1cf6..f6f8163eab 100644 --- a/linux-user/arm/nwfpe/fpa11.c +++ b/linux-user/arm/nwfpe/fpa11.c @@ -137,8 +137,17 @@ unsigned int EmulateAll(unsigned int opcode, FPA11* qfpa, CPUARMState* qregs) unsigned int nRc = 0; // unsigned long flags; FPA11 *fpa11; + unsigned int cp; // save_flags(flags); sti(); + /* Check that this is really an FPA11 instruction: the coprocessor + * field in bits [11:8] must be 1 or 2. + */ + cp = (opcode >> 8) & 0xf; + if (cp != 1 && cp != 2) { + return 0; + } + qemufpa=qfpa; user_registers=qregs; |