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The ibm,processor-radix-AP-encodings device tree property of the cpu node is used to specify the radix mode supported page sizes of the processor to the guest os. Contained in the top 3 bits of the msb is the actual page size (AP) encoding associated with the corresponding radix mode supported page size. Add this property for a TCG guest, note the TCG code is capable of translating any format so just add the 4 default page sizes. The ibm,processor-radix-AP-encodings device tree property is defined as: One to n cells in ascending order of radix mode supported page sizes encoded as BE ints (32bit on ppc) in the form: 0bxxxyyyyyyyyyyyyyyyyyyyyyyyyyyyyy - 0bxxx -> AP encoding - 0byyyyyyyyyyyyyyyyyyyyyyyyyyyyy -> supported page size encoded as a shift Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> |
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