diff options
Diffstat (limited to 'target/arm/cpregs.h')
| -rw-r--r-- | target/arm/cpregs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target/arm/cpregs.h b/target/arm/cpregs.h index 73984549d2..db03d6a7e1 100644 --- a/target/arm/cpregs.h +++ b/target/arm/cpregs.h @@ -102,6 +102,17 @@ enum { ARM_CP_SVE = 1 << 14, /* Flag: Do not expose in gdb sysreg xml. */ ARM_CP_NO_GDB = 1 << 15, + /* + * Flags: If EL3 but not EL2... + * - UNDEF: discard the cpreg, + * - KEEP: retain the cpreg as is, + * - C_NZ: set const on the cpreg, but retain resetvalue, + * - else: set const on the cpreg, zero resetvalue, aka RES0. + * See rule RJFFP in section D1.1.3 of DDI0487H.a. + */ + ARM_CP_EL3_NO_EL2_UNDEF = 1 << 16, + ARM_CP_EL3_NO_EL2_KEEP = 1 << 17, + ARM_CP_EL3_NO_EL2_C_NZ = 1 << 18, }; /* |