diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/lib/aarch64/arch.h | 29 | ||||
| -rw-r--r-- | include/lib/aarch64/arch_features.h | 19 | ||||
| -rw-r--r-- | include/lib/aarch64/arch_helpers.h | 3 | ||||
| -rw-r--r-- | include/plat/common/platform.h | 5 |
4 files changed, 41 insertions, 15 deletions
diff --git a/include/lib/aarch64/arch.h b/include/lib/aarch64/arch.h index 39b2a42..c4ec4ff 100644 --- a/include/lib/aarch64/arch.h +++ b/include/lib/aarch64/arch.h @@ -154,26 +154,22 @@ #define ID_AA64PFR0_GIC_SHIFT U(24) #define ID_AA64PFR0_GIC_WIDTH U(4) -#define ID_AA64PFR0_GIC_MASK ((ULL(1) << ID_AA64PFR0_GIC_WIDTH) - ULL(1)) +#define ID_AA64PFR0_GIC_MASK ULL(0xf) /* ID_AA64ISAR1_EL1 definitions */ +#define ID_AA64ISAR1_EL1 S3_0_C0_C6_1 #define ID_AA64ISAR1_GPI_SHIFT U(28) #define ID_AA64ISAR1_GPI_WIDTH U(4) +#define ID_AA64ISAR1_GPI_MASK ULL(0xf) #define ID_AA64ISAR1_GPA_SHIFT U(24) #define ID_AA64ISAR1_GPA_WIDTH U(4) +#define ID_AA64ISAR1_GPA_MASK ULL(0xf) #define ID_AA64ISAR1_API_SHIFT U(8) #define ID_AA64ISAR1_API_WIDTH U(4) +#define ID_AA64ISAR1_API_MASK ULL(0xf) #define ID_AA64ISAR1_APA_SHIFT U(4) #define ID_AA64ISAR1_APA_WIDTH U(4) - -#define ID_AA64ISAR1_GPI_MASK \ - (((ULL(1) << ID_AA64ISAR1_GPI_WIDTH) - ULL(1)) << ID_AA64ISAR1_GPI_SHIFT) -#define ID_AA64ISAR1_GPA_MASK \ - (((ULL(1) << ID_AA64ISAR1_GPA_WIDTH) - ULL(1)) << ID_AA64ISAR1_GPA_SHIFT) -#define ID_AA64ISAR1_API_MASK \ - (((ULL(1) << ID_AA64ISAR1_API_WIDTH) - ULL(1)) << ID_AA64ISAR1_API_SHIFT) -#define ID_AA64ISAR1_APA_MASK \ - (((ULL(1) << ID_AA64ISAR1_APA_WIDTH) - ULL(1)) << ID_AA64ISAR1_APA_SHIFT) +#define ID_AA64ISAR1_APA_MASK ULL(0xf) /* ID_AA64MMFR0_EL1 definitions */ #define ID_AA64MMFR0_EL1_PARANGE_SHIFT U(0) @@ -258,9 +254,7 @@ #define SCTLR_E0E_BIT (ULL(1) << 24) #define SCTLR_EE_BIT (ULL(1) << 25) #define SCTLR_UCI_BIT (ULL(1) << 26) -#define SCTLR_TRE_BIT (ULL(1) << 28) -#define SCTLR_AFE_BIT (ULL(1) << 29) -#define SCTLR_TE_BIT (ULL(1) << 30) +#define SCTLR_EnIA_BIT (ULL(1) << 31) #define SCTLR_DSSBS_BIT (ULL(1) << 44) #define SCTLR_RESET_VAL SCTLR_EL3_RES1 @@ -822,7 +816,16 @@ /******************************************************************************* * Armv8.3 Pointer Authentication Registers ******************************************************************************/ +#define APIAKeyLo_EL1 S3_0_C2_C1_0 +#define APIAKeyHi_EL1 S3_0_C2_C1_1 +#define APIBKeyLo_EL1 S3_0_C2_C1_2 +#define APIBKeyHi_EL1 S3_0_C2_C1_3 +#define APDAKeyLo_EL1 S3_0_C2_C2_0 +#define APDAKeyHi_EL1 S3_0_C2_C2_1 +#define APDBKeyLo_EL1 S3_0_C2_C2_2 +#define APDBKeyHi_EL1 S3_0_C2_C2_3 #define APGAKeyLo_EL1 S3_0_C2_C3_0 +#define APGAKeyHi_EL1 S3_0_C2_C3_1 /******************************************************************************* * Armv8.4 Data Independent Timing Registers diff --git a/include/lib/aarch64/arch_features.h b/include/lib/aarch64/arch_features.h index da8b6e4..6af1d03 100644 --- a/include/lib/aarch64/arch_features.h +++ b/include/lib/aarch64/arch_features.h @@ -23,6 +23,25 @@ static inline bool is_armv8_2_ttcnp_present(void) ID_AA64MMFR2_EL1_CNP_MASK) != 0U; } +static inline bool is_armv8_3_pauth_present(void) +{ + uint64_t mask = (ID_AA64ISAR1_GPI_MASK << ID_AA64ISAR1_GPI_SHIFT) | + (ID_AA64ISAR1_GPA_MASK << ID_AA64ISAR1_GPA_SHIFT) | + (ID_AA64ISAR1_API_MASK << ID_AA64ISAR1_API_SHIFT) | + (ID_AA64ISAR1_APA_MASK << ID_AA64ISAR1_APA_SHIFT); + + /* If any of the fields is not zero, PAuth is present */ + return (read_id_aa64isar1_el1() & mask) != 0U; +} + +static inline bool is_armv8_3_pauth_apa_api_present(void) +{ + uint64_t mask = (ID_AA64ISAR1_API_MASK << ID_AA64ISAR1_API_SHIFT) | + (ID_AA64ISAR1_APA_MASK << ID_AA64ISAR1_APA_SHIFT); + + return (read_id_aa64isar1_el1() & mask) != 0U; +} + static inline bool is_armv8_4_ttst_present(void) { return ((read_id_aa64mmfr2_el1() >> ID_AA64MMFR2_EL1_ST_SHIFT) & diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h index 750bbbd..cdb01f0 100644 --- a/include/lib/aarch64/arch_helpers.h +++ b/include/lib/aarch64/arch_helpers.h @@ -444,7 +444,8 @@ DEFINE_RENAME_SYSREG_READ_FUNC(erxmisc1_el1, ERXMISC1_EL1) DEFINE_RENAME_SYSREG_READ_FUNC(id_aa64mmfr2_el1, ID_AA64MMFR2_EL1) /* Armv8.3 Pointer Authentication Registers */ -DEFINE_RENAME_SYSREG_RW_FUNCS(apgakeylo_el1, APGAKeyLo_EL1) +DEFINE_RENAME_SYSREG_RW_FUNCS(apiakeyhi_el1, APIAKeyHi_EL1) +DEFINE_RENAME_SYSREG_RW_FUNCS(apiakeylo_el1, APIAKeyLo_EL1) #define IS_IN_EL(x) \ (GET_EL(read_CurrentEl()) == MODE_EL##x) diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h index 3f452ad..b30c41e 100644 --- a/include/plat/common/platform.h +++ b/include/plat/common/platform.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018, Arm Limited. All rights reserved. + * Copyright (c) 2018-2019, Arm Limited. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -67,6 +67,9 @@ int plat_crash_console_flush(void); /* Gets a handle for the initialised IO entity */ void plat_get_nvm_handle(uintptr_t *handle); +/* Initialize and get a pointer to a uint64_t[2] array with a 128-key */ +uint64_t *plat_init_apiakey(void); + /* * Returns the platform topology description array. The size of this * array should be PLATFORM_NUM_AFFS - PLATFORM_CORE_COUNT + 1. |