diff options
| author | John A. Williams <john.williams@petalogix.com> | 2011-05-24 18:57:11 +1000 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2011-07-25 09:13:42 +0200 |
| commit | 8904976e8ca45be3ec75acc71f5d855ef671a079 (patch) | |
| tree | 9c76c35266329312ace36ab009d686d5e2cd77f8 /arch/microblaze/kernel/cpu/cpuinfo-static.c | |
| parent | 5db34eb92f5699361de355dcd7958fdd2a9fb98a (diff) | |
microblaze: Unprivileged stream instruction awareness
Add cpuinfo support for the new MicroBlaze option permitting userspace
(unprivileged) access to the streaming instructions (FSL / AXI-stream).
Emit a noisy warning at bootup if this is enabled, because bad user code
can potentially lockup the CPU.
Signed-off-by: John A. Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/kernel/cpu/cpuinfo-static.c')
| -rw-r--r-- | arch/microblaze/kernel/cpu/cpuinfo-static.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/microblaze/kernel/cpu/cpuinfo-static.c b/arch/microblaze/kernel/cpu/cpuinfo-static.c index b16b994ca3d..592bb2e838c 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo-static.c +++ b/arch/microblaze/kernel/cpu/cpuinfo-static.c @@ -119,6 +119,7 @@ void __init set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu) ci->pvr_user2 = fcpu(cpu, "xlnx,pvr-user2"); ci->mmu = fcpu(cpu, "xlnx,use-mmu"); + ci->mmu_privins = fcpu(cpu, "xlnx,mmu-privileged-instr"); ci->endian = fcpu(cpu, "xlnx,endianness"); ci->ver_code = 0; |