diff options
Diffstat (limited to 'target/arm/cpu.h')
| -rw-r--r-- | target/arm/cpu.h | 120 |
1 files changed, 98 insertions, 22 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 8d41f783dc..521444a5a1 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -153,6 +153,49 @@ typedef struct { uint32_t base_mask; } TCR; +/* Define a maximum sized vector register. + * For 32-bit, this is a 128-bit NEON/AdvSIMD register. + * For 64-bit, this is a 2048-bit SVE register. + * + * Note that the mapping between S, D, and Q views of the register bank + * differs between AArch64 and AArch32. + * In AArch32: + * Qn = regs[n].d[1]:regs[n].d[0] + * Dn = regs[n / 2].d[n & 1] + * Sn = regs[n / 4].d[n % 4 / 2], + * bits 31..0 for even n, and bits 63..32 for odd n + * (and regs[16] to regs[31] are inaccessible) + * In AArch64: + * Zn = regs[n].d[*] + * Qn = regs[n].d[1]:regs[n].d[0] + * Dn = regs[n].d[0] + * Sn = regs[n].d[0] bits 31..0 + * + * This corresponds to the architecturally defined mapping between + * the two execution states, and means we do not need to explicitly + * map these registers when changing states. + * + * Align the data for use with TCG host vector operations. + */ + +#ifdef TARGET_AARCH64 +# define ARM_MAX_VQ 16 +#else +# define ARM_MAX_VQ 1 +#endif + +typedef struct ARMVectorReg { + uint64_t d[2 * ARM_MAX_VQ] QEMU_ALIGNED(16); +} ARMVectorReg; + +/* In AArch32 mode, predicate registers do not exist at all. */ +#ifdef TARGET_AARCH64 +typedef struct ARMPredicateReg { + uint64_t p[2 * ARM_MAX_VQ / 8] QEMU_ALIGNED(16); +} ARMPredicateReg; +#endif + + typedef struct CPUARMState { /* Regs for current mode. */ uint32_t regs[16]; @@ -477,22 +520,12 @@ typedef struct CPUARMState { /* VFP coprocessor state. */ struct { - /* VFP/Neon register state. Note that the mapping between S, D and Q - * views of the register bank differs between AArch64 and AArch32: - * In AArch32: - * Qn = regs[2n+1]:regs[2n] - * Dn = regs[n] - * Sn = regs[n/2] bits 31..0 for even n, and bits 63..32 for odd n - * (and regs[32] to regs[63] are inaccessible) - * In AArch64: - * Qn = regs[2n+1]:regs[2n] - * Dn = regs[2n] - * Sn = regs[2n] bits 31..0 - * This corresponds to the architecturally defined mapping between - * the two execution states, and means we do not need to explicitly - * map these registers when changing states. - */ - uint64_t regs[64] QEMU_ALIGNED(16); + ARMVectorReg zregs[32]; + +#ifdef TARGET_AARCH64 + /* Store FFR as pregs[16] to make it easier to treat as any other. */ + ARMPredicateReg pregs[17]; +#endif uint32_t xregs[16]; /* We store these fpcsr fields separately for convenience. */ @@ -516,6 +549,9 @@ typedef struct CPUARMState { */ float_status fp_status; float_status standard_fp_status; + + /* ZCR_EL[1-3] */ + uint64_t zcr_el[4]; } vfp; uint64_t exclusive_addr; uint64_t exclusive_val; @@ -890,6 +926,8 @@ void pmccntr_sync(CPUARMState *env); #define CPTR_TCPAC (1U << 31) #define CPTR_TTA (1U << 20) #define CPTR_TFP (1U << 10) +#define CPTR_TZ (1U << 8) /* CPTR_EL2 */ +#define CPTR_EZ (1U << 8) /* CPTR_EL3 */ #define MDCR_EPMAD (1U << 21) #define MDCR_EDAD (1U << 20) @@ -1341,6 +1379,10 @@ enum arm_features { ARM_FEATURE_M_SECURITY, /* M profile Security Extension */ ARM_FEATURE_JAZELLE, /* has (trivial) Jazelle implementation */ ARM_FEATURE_SVE, /* has Scalable Vector Extension */ + ARM_FEATURE_V8_SHA512, /* implements SHA512 part of v8 Crypto Extensions */ + ARM_FEATURE_V8_SHA3, /* implements SHA3 part of v8 Crypto Extensions */ + ARM_FEATURE_V8_SM3, /* implements SM3 part of v8 Crypto Extensions */ + ARM_FEATURE_V8_SM4, /* implements SM4 part of v8 Crypto Extensions */ }; static inline int arm_feature(CPUARMState *env, int feature) @@ -1506,16 +1548,42 @@ static inline bool armv7m_nvic_can_take_pending_exception(void *opaque) */ void armv7m_nvic_set_pending(void *opaque, int irq, bool secure); /** + * armv7m_nvic_set_pending_derived: mark this derived exception as pending + * @opaque: the NVIC + * @irq: the exception number to mark pending + * @secure: false for non-banked exceptions or for the nonsecure + * version of a banked exception, true for the secure version of a banked + * exception. + * + * Similar to armv7m_nvic_set_pending(), but specifically for derived + * exceptions (exceptions generated in the course of trying to take + * a different exception). + */ +void armv7m_nvic_set_pending_derived(void *opaque, int irq, bool secure); +/** + * armv7m_nvic_get_pending_irq_info: return highest priority pending + * exception, and whether it targets Secure state + * @opaque: the NVIC + * @pirq: set to pending exception number + * @ptargets_secure: set to whether pending exception targets Secure + * + * This function writes the number of the highest priority pending + * exception (the one which would be made active by + * armv7m_nvic_acknowledge_irq()) to @pirq, and sets @ptargets_secure + * to true if the current highest priority pending exception should + * be taken to Secure state, false for NS. + */ +void armv7m_nvic_get_pending_irq_info(void *opaque, int *pirq, + bool *ptargets_secure); +/** * armv7m_nvic_acknowledge_irq: make highest priority pending exception active * @opaque: the NVIC * * Move the current highest priority pending exception from the pending * state to the active state, and update v7m.exception to indicate that * it is the exception currently being handled. - * - * Returns: true if exception should be taken to Secure state, false for NS */ -bool armv7m_nvic_acknowledge_irq(void *opaque); +void armv7m_nvic_acknowledge_irq(void *opaque); /** * armv7m_nvic_complete_irq: complete specified interrupt or exception * @opaque: the NVIC @@ -2610,6 +2678,10 @@ static inline bool arm_cpu_data_is_big_endian(CPUARMState *env) #define ARM_TBFLAG_TBI0_MASK (0x1ull << ARM_TBFLAG_TBI0_SHIFT) #define ARM_TBFLAG_TBI1_SHIFT 1 /* TBI1 for EL0/1 */ #define ARM_TBFLAG_TBI1_MASK (0x1ull << ARM_TBFLAG_TBI1_SHIFT) +#define ARM_TBFLAG_SVEEXC_EL_SHIFT 2 +#define ARM_TBFLAG_SVEEXC_EL_MASK (0x3 << ARM_TBFLAG_SVEEXC_EL_SHIFT) +#define ARM_TBFLAG_ZCR_LEN_SHIFT 4 +#define ARM_TBFLAG_ZCR_LEN_MASK (0xf << ARM_TBFLAG_ZCR_LEN_SHIFT) /* some convenience accessor macros */ #define ARM_TBFLAG_AARCH64_STATE(F) \ @@ -2646,6 +2718,10 @@ static inline bool arm_cpu_data_is_big_endian(CPUARMState *env) (((F) & ARM_TBFLAG_TBI0_MASK) >> ARM_TBFLAG_TBI0_SHIFT) #define ARM_TBFLAG_TBI1(F) \ (((F) & ARM_TBFLAG_TBI1_MASK) >> ARM_TBFLAG_TBI1_SHIFT) +#define ARM_TBFLAG_SVEEXC_EL(F) \ + (((F) & ARM_TBFLAG_SVEEXC_EL_MASK) >> ARM_TBFLAG_SVEEXC_EL_SHIFT) +#define ARM_TBFLAG_ZCR_LEN(F) \ + (((F) & ARM_TBFLAG_ZCR_LEN_MASK) >> ARM_TBFLAG_ZCR_LEN_SHIFT) static inline bool bswap_code(bool sctlr_b) { @@ -2769,7 +2845,7 @@ static inline void *arm_get_el_change_hook_opaque(ARMCPU *cpu) */ static inline uint64_t *aa32_vfp_dreg(CPUARMState *env, unsigned regno) { - return &env->vfp.regs[regno]; + return &env->vfp.zregs[regno >> 1].d[regno & 1]; } /** @@ -2778,7 +2854,7 @@ static inline uint64_t *aa32_vfp_dreg(CPUARMState *env, unsigned regno) */ static inline uint64_t *aa32_vfp_qreg(CPUARMState *env, unsigned regno) { - return &env->vfp.regs[2 * regno]; + return &env->vfp.zregs[regno].d[0]; } /** @@ -2787,7 +2863,7 @@ static inline uint64_t *aa32_vfp_qreg(CPUARMState *env, unsigned regno) */ static inline uint64_t *aa64_vfp_qreg(CPUARMState *env, unsigned regno) { - return &env->vfp.regs[2 * regno]; + return &env->vfp.zregs[regno].d[0]; } #endif |