arm: add ISAR2, MMFR0 and MMFR1 fields in cpufeature

Complete AA64ISAR2 and AA64MMFR[0-1] with more fields.
While there add a comment for MMFR bitfields as for other registers in
the cpuinfo structure definition.

Signed-off-by: Bertrand Marquis <bertrand.marquis@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

diff --git a/xen/arch/arm/include/asm/cpufeature.h b/xen/arch/arm/include/asm/cpufeature.h
index 24c01d2b9dbc0d5ace934336defd1617444d2270..c86a2e7f291c4cc5d2aa866435f87f0498bc45be 100644 (file)
--- a/xen/arch/arm/include/asm/cpufeature.h
+++ b/xen/arch/arm/include/asm/cpufeature.h
@@ -234,6 +234,7 @@ struct cpuinfo_arm {
     union {
         register_t bits[3];
         struct {
+            /* MMFR0 */
             unsigned long pa_range:4;
             unsigned long asid_bits:4;
             unsigned long bigend:4;
@@ -242,18 +243,31 @@ struct cpuinfo_arm {
             unsigned long tgranule_16K:4;
             unsigned long tgranule_64K:4;
             unsigned long tgranule_4K:4;
-            unsigned long __res0:32;
-
+            unsigned long tgranule_16k_2:4;
+            unsigned long tgranule_64k_2:4;
+            unsigned long tgranule_4k_2:4;
+            unsigned long exs:4;
+            unsigned long __res0:8;
+            unsigned long fgt:4;
+            unsigned long ecv:4;
+
+            /* MMFR1 */
             unsigned long hafdbs:4;
             unsigned long vmid_bits:4;
             unsigned long vh:4;
             unsigned long hpds:4;
             unsigned long lo:4;
             unsigned long pan:4;
-            unsigned long __res1:8;
-            unsigned long __res2:28;
+            unsigned long specsei:4;
+            unsigned long xnx:4;
+            unsigned long twed:4;
+            unsigned long ets:4;
+            unsigned long __res1:4;
+            unsigned long afp:4;
+            unsigned long __res2:12;
             unsigned long ecbhb:4;
 
+            /* MMFR2 */
             unsigned long __res3:64;
         };
     } mm64;
@@ -297,7 +311,11 @@ struct cpuinfo_arm {
             unsigned long __res2:8;
 
             /* ISAR2 */
-            unsigned long __res3:28;
+            unsigned long wfxt:4;
+            unsigned long rpres:4;
+            unsigned long gpa3:4;
+            unsigned long apa3:4;
+            unsigned long __res3:12;
             unsigned long clearbhb:4;
 
             unsigned long __res4:32;