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6575b1d417
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> |
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| sh | ||
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