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| author | Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> | 2014-07-15 09:09:57 -0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-08-01 18:06:40 -0400 |
| commit | 6575b1d4173eaeff6742a2c6dcbd835bb052952b (patch) | |
| tree | 786eada52d0db5a02411bb1aae5a138d4aacc782 /tools/perf/scripts/python/check-perf-trace.py | |
| parent | 5890f70f15c52d0204a578422f8da828a0ba1096 (diff) | |
MIPS: kernel: cpu-probe: Detect unique RI/XI exceptions
Detect if the core supports unique exception codes for the
Read-Inhibit and Execute-Inhibit exceptions and set the
option accordingly. The RI/XI exception support is detected
by setting the 27th bit (IEC) of the PageGrain C0 register
and reading back the value of that register to verify the
bit is enabled.
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7340/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions