diff options
Diffstat (limited to 'target/arm/cpu.h')
| -rw-r--r-- | target/arm/cpu.h | 185 |
1 files changed, 103 insertions, 82 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 429ed42eec..e3dbef5be8 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1102,9 +1102,9 @@ int arm_gen_dynamic_svereg_xml(CPUState *cpu, int base_reg); const char *arm_gdb_get_dynamic_xml(CPUState *cpu, const char *xmlname); int arm_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, - int cpuid, void *opaque); + int cpuid, DumpState *s); int arm_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs, - int cpuid, void *opaque); + int cpuid, DumpState *s); #ifdef TARGET_AARCH64 int aarch64_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); @@ -1664,33 +1664,33 @@ static inline void xpsr_write(CPUARMState *env, uint32_t val, uint32_t mask) #define HPFAR_NS (1ULL << 63) -#define SCR_NS (1U << 0) -#define SCR_IRQ (1U << 1) -#define SCR_FIQ (1U << 2) -#define SCR_EA (1U << 3) -#define SCR_FW (1U << 4) -#define SCR_AW (1U << 5) -#define SCR_NET (1U << 6) -#define SCR_SMD (1U << 7) -#define SCR_HCE (1U << 8) -#define SCR_SIF (1U << 9) -#define SCR_RW (1U << 10) -#define SCR_ST (1U << 11) -#define SCR_TWI (1U << 12) -#define SCR_TWE (1U << 13) -#define SCR_TLOR (1U << 14) -#define SCR_TERR (1U << 15) -#define SCR_APK (1U << 16) -#define SCR_API (1U << 17) -#define SCR_EEL2 (1U << 18) -#define SCR_EASE (1U << 19) -#define SCR_NMEA (1U << 20) -#define SCR_FIEN (1U << 21) -#define SCR_ENSCXT (1U << 25) -#define SCR_ATA (1U << 26) -#define SCR_FGTEN (1U << 27) -#define SCR_ECVEN (1U << 28) -#define SCR_TWEDEN (1U << 29) +#define SCR_NS (1ULL << 0) +#define SCR_IRQ (1ULL << 1) +#define SCR_FIQ (1ULL << 2) +#define SCR_EA (1ULL << 3) +#define SCR_FW (1ULL << 4) +#define SCR_AW (1ULL << 5) +#define SCR_NET (1ULL << 6) +#define SCR_SMD (1ULL << 7) +#define SCR_HCE (1ULL << 8) +#define SCR_SIF (1ULL << 9) +#define SCR_RW (1ULL << 10) +#define SCR_ST (1ULL << 11) +#define SCR_TWI (1ULL << 12) +#define SCR_TWE (1ULL << 13) +#define SCR_TLOR (1ULL << 14) +#define SCR_TERR (1ULL << 15) +#define SCR_APK (1ULL << 16) +#define SCR_API (1ULL << 17) +#define SCR_EEL2 (1ULL << 18) +#define SCR_EASE (1ULL << 19) +#define SCR_NMEA (1ULL << 20) +#define SCR_FIEN (1ULL << 21) +#define SCR_ENSCXT (1ULL << 25) +#define SCR_ATA (1ULL << 26) +#define SCR_FGTEN (1ULL << 27) +#define SCR_ECVEN (1ULL << 28) +#define SCR_TWEDEN (1ULL << 29) #define SCR_TWEDEL MAKE_64BIT_MASK(30, 4) #define SCR_TME (1ULL << 34) #define SCR_AMVOFFEN (1ULL << 35) @@ -2412,15 +2412,15 @@ static inline bool arm_is_secure(CPUARMState *env) * Return true if the current security state has AArch64 EL2 or AArch32 Hyp. * This corresponds to the pseudocode EL2Enabled() */ +static inline bool arm_is_el2_enabled_secstate(CPUARMState *env, bool secure) +{ + return arm_feature(env, ARM_FEATURE_EL2) + && (!secure || (env->cp15.scr_el3 & SCR_EEL2)); +} + static inline bool arm_is_el2_enabled(CPUARMState *env) { - if (arm_feature(env, ARM_FEATURE_EL2)) { - if (arm_is_secure_below_el3(env)) { - return (env->cp15.scr_el3 & SCR_EEL2) != 0; - } - return true; - } - return false; + return arm_is_el2_enabled_secstate(env, arm_is_secure_below_el3(env)); } #else @@ -2434,6 +2434,11 @@ static inline bool arm_is_secure(CPUARMState *env) return false; } +static inline bool arm_is_el2_enabled_secstate(CPUARMState *env, bool secure) +{ + return false; +} + static inline bool arm_is_el2_enabled(CPUARMState *env) { return false; @@ -2446,6 +2451,7 @@ static inline bool arm_is_el2_enabled(CPUARMState *env) * "for all purposes other than a direct read or write access of HCR_EL2." * Not included here is HCR_RW. */ +uint64_t arm_hcr_el2_eff_secstate(CPUARMState *env, bool secure); uint64_t arm_hcr_el2_eff(CPUARMState *env); uint64_t arm_hcrx_el2_eff(CPUARMState *env); @@ -2884,26 +2890,27 @@ bool write_cpustate_to_list(ARMCPU *cpu, bool kvm_sync); * table over and over. * 6. we need separate EL1/EL2 mmu_idx for handling the Privileged Access * Never (PAN) bit within PSTATE. + * 7. we fold together the secure and non-secure regimes for A-profile, + * because there are no banked system registers for aarch64, so the + * process of switching between secure and non-secure is + * already heavyweight. * * This gives us the following list of cases: * - * NS EL0 EL1&0 stage 1+2 (aka NS PL0) - * NS EL1 EL1&0 stage 1+2 (aka NS PL1) - * NS EL1 EL1&0 stage 1+2 +PAN - * NS EL0 EL2&0 - * NS EL2 EL2&0 - * NS EL2 EL2&0 +PAN - * NS EL2 (aka NS PL2) - * S EL0 EL1&0 (aka S PL0) - * S EL1 EL1&0 (not used if EL3 is 32 bit) - * S EL1 EL1&0 +PAN - * S EL3 (aka S PL1) + * EL0 EL1&0 stage 1+2 (aka NS PL0) + * EL1 EL1&0 stage 1+2 (aka NS PL1) + * EL1 EL1&0 stage 1+2 +PAN + * EL0 EL2&0 + * EL2 EL2&0 + * EL2 EL2&0 +PAN + * EL2 (aka NS PL2) + * EL3 (aka S PL1) * - * for a total of 11 different mmu_idx. + * for a total of 8 different mmu_idx. * * R profile CPUs have an MPU, but can use the same set of MMU indexes - * as A profile. They only need to distinguish NS EL0 and NS EL1 (and - * NS EL2 if we ever model a Cortex-R52). + * as A profile. They only need to distinguish EL0 and EL1 (and + * EL2 if we ever model a Cortex-R52). * * M profile CPUs are rather different as they do not have a true MMU. * They have the following different MMU indexes: @@ -2942,9 +2949,6 @@ bool write_cpustate_to_list(ARMCPU *cpu, bool kvm_sync); #define ARM_MMU_IDX_NOTLB 0x20 /* does not have a TLB */ #define ARM_MMU_IDX_M 0x40 /* M profile */ -/* Meanings of the bits for A profile mmu idx values */ -#define ARM_MMU_IDX_A_NS 0x8 - /* Meanings of the bits for M profile mmu idx values */ #define ARM_MMU_IDX_M_PRIV 0x1 #define ARM_MMU_IDX_M_NEGPRI 0x2 @@ -2958,22 +2962,14 @@ typedef enum ARMMMUIdx { /* * A-profile. */ - ARMMMUIdx_SE10_0 = 0 | ARM_MMU_IDX_A, - ARMMMUIdx_SE20_0 = 1 | ARM_MMU_IDX_A, - ARMMMUIdx_SE10_1 = 2 | ARM_MMU_IDX_A, - ARMMMUIdx_SE20_2 = 3 | ARM_MMU_IDX_A, - ARMMMUIdx_SE10_1_PAN = 4 | ARM_MMU_IDX_A, - ARMMMUIdx_SE20_2_PAN = 5 | ARM_MMU_IDX_A, - ARMMMUIdx_SE2 = 6 | ARM_MMU_IDX_A, - ARMMMUIdx_SE3 = 7 | ARM_MMU_IDX_A, - - ARMMMUIdx_E10_0 = ARMMMUIdx_SE10_0 | ARM_MMU_IDX_A_NS, - ARMMMUIdx_E20_0 = ARMMMUIdx_SE20_0 | ARM_MMU_IDX_A_NS, - ARMMMUIdx_E10_1 = ARMMMUIdx_SE10_1 | ARM_MMU_IDX_A_NS, - ARMMMUIdx_E20_2 = ARMMMUIdx_SE20_2 | ARM_MMU_IDX_A_NS, - ARMMMUIdx_E10_1_PAN = ARMMMUIdx_SE10_1_PAN | ARM_MMU_IDX_A_NS, - ARMMMUIdx_E20_2_PAN = ARMMMUIdx_SE20_2_PAN | ARM_MMU_IDX_A_NS, - ARMMMUIdx_E2 = ARMMMUIdx_SE2 | ARM_MMU_IDX_A_NS, + ARMMMUIdx_E10_0 = 0 | ARM_MMU_IDX_A, + ARMMMUIdx_E20_0 = 1 | ARM_MMU_IDX_A, + ARMMMUIdx_E10_1 = 2 | ARM_MMU_IDX_A, + ARMMMUIdx_E20_2 = 3 | ARM_MMU_IDX_A, + ARMMMUIdx_E10_1_PAN = 4 | ARM_MMU_IDX_A, + ARMMMUIdx_E20_2_PAN = 5 | ARM_MMU_IDX_A, + ARMMMUIdx_E2 = 6 | ARM_MMU_IDX_A, + ARMMMUIdx_E3 = 7 | ARM_MMU_IDX_A, /* * These are not allocated TLBs and are used only for AT system @@ -2982,9 +2978,6 @@ typedef enum ARMMMUIdx { ARMMMUIdx_Stage1_E0 = 0 | ARM_MMU_IDX_NOTLB, ARMMMUIdx_Stage1_E1 = 1 | ARM_MMU_IDX_NOTLB, ARMMMUIdx_Stage1_E1_PAN = 2 | ARM_MMU_IDX_NOTLB, - ARMMMUIdx_Stage1_SE0 = 3 | ARM_MMU_IDX_NOTLB, - ARMMMUIdx_Stage1_SE1 = 4 | ARM_MMU_IDX_NOTLB, - ARMMMUIdx_Stage1_SE1_PAN = 5 | ARM_MMU_IDX_NOTLB, /* * Not allocated a TLB: used only for second stage of an S12 page * table walk, or for descriptor loads during first stage of an S1 @@ -2992,8 +2985,8 @@ typedef enum ARMMMUIdx { * then various TLB flush insns which currently are no-ops or flush * only stage 1 MMU indexes will need to change to flush stage 2. */ - ARMMMUIdx_Stage2 = 6 | ARM_MMU_IDX_NOTLB, - ARMMMUIdx_Stage2_S = 7 | ARM_MMU_IDX_NOTLB, + ARMMMUIdx_Stage2 = 3 | ARM_MMU_IDX_NOTLB, + ARMMMUIdx_Stage2_S = 4 | ARM_MMU_IDX_NOTLB, /* * M-profile. @@ -3023,14 +3016,7 @@ typedef enum ARMMMUIdxBit { TO_CORE_BIT(E2), TO_CORE_BIT(E20_2), TO_CORE_BIT(E20_2_PAN), - TO_CORE_BIT(SE10_0), - TO_CORE_BIT(SE20_0), - TO_CORE_BIT(SE10_1), - TO_CORE_BIT(SE20_2), - TO_CORE_BIT(SE10_1_PAN), - TO_CORE_BIT(SE20_2_PAN), - TO_CORE_BIT(SE2), - TO_CORE_BIT(SE3), + TO_CORE_BIT(E3), TO_CORE_BIT(MUser), TO_CORE_BIT(MPriv), @@ -3203,6 +3189,8 @@ FIELD(TBFLAG_M32, NEW_FP_CTXT_NEEDED, 3, 1) /* Not cached. */ FIELD(TBFLAG_M32, FPCCR_S_WRONG, 4, 1) /* Not cached. */ /* Set if MVE insns are definitely not predicated by VPR or LTPSIZE */ FIELD(TBFLAG_M32, MVE_NO_PRED, 5, 1) /* Not cached. */ +/* Set if in secure mode */ +FIELD(TBFLAG_M32, SECURE, 6, 1) /* * Bit usage when in AArch64 state @@ -4109,6 +4097,39 @@ static inline bool isar_feature_aa64_tgran16_2_lpa2(const ARMISARegisters *id) return t >= 3 || (t == 0 && isar_feature_aa64_tgran16_lpa2(id)); } +static inline bool isar_feature_aa64_tgran4(const ARMISARegisters *id) +{ + return FIELD_SEX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN4) >= 0; +} + +static inline bool isar_feature_aa64_tgran16(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN16) >= 1; +} + +static inline bool isar_feature_aa64_tgran64(const ARMISARegisters *id) +{ + return FIELD_SEX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN64) >= 0; +} + +static inline bool isar_feature_aa64_tgran4_2(const ARMISARegisters *id) +{ + unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN4_2); + return t >= 2 || (t == 0 && isar_feature_aa64_tgran4(id)); +} + +static inline bool isar_feature_aa64_tgran16_2(const ARMISARegisters *id) +{ + unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN16_2); + return t >= 2 || (t == 0 && isar_feature_aa64_tgran16(id)); +} + +static inline bool isar_feature_aa64_tgran64_2(const ARMISARegisters *id) +{ + unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN64_2); + return t >= 2 || (t == 0 && isar_feature_aa64_tgran64(id)); +} + static inline bool isar_feature_aa64_ccidx(const ARMISARegisters *id) { return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, CCIDX) != 0; |