diff options
author | John A. Williams <john.williams@petalogix.com> | 2011-05-24 04:57:11 -0400 |
---|---|---|
committer | Michal Simek <monstr@monstr.eu> | 2011-07-25 03:13:42 -0400 |
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 b16b994ca3d2..592bb2e838c4 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) | |||
119 | ci->pvr_user2 = fcpu(cpu, "xlnx,pvr-user2"); | 119 | ci->pvr_user2 = fcpu(cpu, "xlnx,pvr-user2"); |
120 | 120 | ||
121 | ci->mmu = fcpu(cpu, "xlnx,use-mmu"); | 121 | ci->mmu = fcpu(cpu, "xlnx,use-mmu"); |
122 | ci->mmu_privins = fcpu(cpu, "xlnx,mmu-privileged-instr"); | ||
122 | ci->endian = fcpu(cpu, "xlnx,endianness"); | 123 | ci->endian = fcpu(cpu, "xlnx,endianness"); |
123 | 124 | ||
124 | ci->ver_code = 0; | 125 | ci->ver_code = 0; |