diff options
Diffstat (limited to 'arch/arm64/include/asm/sysreg.h')
| -rw-r--r-- | arch/arm64/include/asm/sysreg.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 0c07b03d511f..b5943f113af1 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -704,6 +704,25 @@ #define ICH_VTR_TDS_SHIFT 19 #define ICH_VTR_TDS_MASK (1 << ICH_VTR_TDS_SHIFT) +/* + * Permission Indirection Extension (PIE) permission encodings. + * Encodings with the _O suffix, have overlays applied (Permission Overlay Extension). + */ +#define PIE_NONE_O 0x0 +#define PIE_R_O 0x1 +#define PIE_X_O 0x2 +#define PIE_RX_O 0x3 +#define PIE_RW_O 0x5 +#define PIE_RWnX_O 0x6 +#define PIE_RWX_O 0x7 +#define PIE_R 0x8 +#define PIE_GCS 0x9 +#define PIE_RX 0xa +#define PIE_RW 0xc +#define PIE_RWX 0xe + +#define PIRx_ELx_PERM(idx, perm) ((perm) << ((idx) * 4)) + #define ARM64_FEATURE_FIELD_BITS 4 /* Defined for compatibility only, do not add new users. */ |