target-ppc: implement darn instruction
commitfec5c62a6434bc306906972e276c5a6f2cafdd9a
authorRavi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Fri, 16 Sep 2016 10:51:47 +0000 (16 16:21 +0530)
committerDavid Gibson <david@gibson.dropbear.id.au>
Fri, 23 Sep 2016 02:38:40 +0000 (23 12:38 +1000)
tree538ab36157eac326e31aa16331ea31cc560a6ea8
parentddb9ac50ae999c8970fc5b145b0830b61d4da3f4
target-ppc: implement darn instruction

darn: Deliver A Random Number

Currently return invalid random number for all the case. This needs
proper algorithm to provide cryptographically suitable random data.
Reading from /dev/random can block and that is not an expected behaviour
while the cpu instruction is getting executed. Moreover, /dev/random
would only work for linux-user

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
[dwg: Added minor clang warning fix for ppc32 target]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
target-ppc/helper.h
target-ppc/int_helper.c
target-ppc/translate.c