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| author | Alexei Fedorov <Alexei.Fedorov@arm.com> | 2020-12-01 13:22:25 +0000 |
|---|---|---|
| committer | Alexei Fedorov <Alexei.Fedorov@arm.com> | 2020-12-02 13:53:03 +0000 |
| commit | 0563ab08e892b899905193d4e482440eecd2d36a (patch) | |
| tree | eb2a91f643a4aa11787ea25e53ef79e1c1d606d0 /include/arch/aarch64/arch.h | |
| parent | 91cc872c64d5fdd300dde2bb16a626952b4654db (diff) | |
| download | platform_external_arm-trusted-firmware-0563ab08e892b899905193d4e482440eecd2d36a.tar.gz platform_external_arm-trusted-firmware-0563ab08e892b899905193d4e482440eecd2d36a.tar.bz2 platform_external_arm-trusted-firmware-0563ab08e892b899905193d4e482440eecd2d36a.zip | |
Aarch64: Add support for FEAT_MTE3
This patch provides the following changes:
- Adds definition for FEAT_MTE3 value in ID_AA64PFR1_EL1 register
- Enables Memory Tagging Extension for FEAT_MTE3.
Change-Id: I735988575466fdc083892ec12c1aee89b5faa472
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Diffstat (limited to 'include/arch/aarch64/arch.h')
| -rw-r--r-- | include/arch/aarch64/arch.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h index 33e1134dd..2518e5c27 100644 --- a/include/arch/aarch64/arch.h +++ b/include/arch/aarch64/arch.h @@ -266,9 +266,17 @@ #define ID_AA64PFR1_EL1_MTE_SHIFT U(8) #define ID_AA64PFR1_EL1_MTE_MASK ULL(0xf) -#define MTE_UNIMPLEMENTED ULL(0) -#define MTE_IMPLEMENTED_EL0 ULL(1) /* MTE is only implemented at EL0 */ -#define MTE_IMPLEMENTED_ELX ULL(2) /* MTE is implemented at all ELs */ +/* Memory Tagging Extension is not implemented */ +#define MTE_UNIMPLEMENTED U(0) +/* FEAT_MTE: MTE instructions accessible at EL0 are implemented */ +#define MTE_IMPLEMENTED_EL0 U(1) +/* FEAT_MTE2: Full MTE is implemented */ +#define MTE_IMPLEMENTED_ELX U(2) +/* + * FEAT_MTE3: MTE is implemented with support for + * asymmetric Tag Check Fault handling + */ +#define MTE_IMPLEMENTED_ASY U(3) #define ID_AA64PFR1_MPAM_FRAC_SHIFT ULL(16) #define ID_AA64PFR1_MPAM_FRAC_MASK ULL(0xf) |