X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/15fa08f8451babc88d733bd411d4c94976f9d0f8..68a7b9724fe80bedb85060bde605213ce3f9baec:/target/arm/translate.h diff --git a/target/arm/translate.h b/target/arm/translate.h index cd7313ace7..c2348def0d 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -7,9 +7,10 @@ /* internal defines */ typedef struct DisasContext { DisasContextBase base; + const ARMISARegisters *isar; target_ulong pc; - target_ulong next_page_start; + target_ulong page_start; uint32_t insn; /* Nonzero if this instruction has been conditionally skipped. */ int condjmp; @@ -25,10 +26,12 @@ typedef struct DisasContext { int user; #endif ARMMMUIdx mmu_idx; /* MMU index to use for normal loads/stores */ - bool tbi0; /* TBI0 for EL0/1 or TBI for EL2/3 */ - bool tbi1; /* TBI1 for EL0/1, not used for EL2/3 */ + uint8_t tbii; /* TBI1|TBI0 for insns */ + uint8_t tbid; /* TBI1|TBI0 for data */ bool ns; /* Use non-secure CPREG bank on access */ int fp_excp_el; /* FP exception EL or 0 if enabled */ + int sve_excp_el; /* SVE exception EL or 0 if enabled */ + int sve_len; /* SVE vector length in bytes */ /* Flag indicating that exceptions from secure mode are routed to EL3. */ bool secure_routed_to_el3; bool vfp_enabled; /* FP enabled via FPSCR.EN */ @@ -36,6 +39,10 @@ typedef struct DisasContext { int vec_stride; bool v7m_handler_mode; bool v8m_secure; /* true if v8M and we're in Secure mode */ + bool v8m_stackcheck; /* true if we need to perform v8M stack limit checks */ + bool v8m_fpccr_s_wrong; /* true if v8M FPCCR.S != v8m_secure */ + bool v7m_new_fp_ctxt_needed; /* ASPEN set but no active FP context */ + bool v7m_lspact; /* FPCCR.LSPACT set */ /* Immediate value in AArch32 SVC insn; must be set if is_jmp == DISAS_SWI * so that top level loop can generate correct syndrome information. */ @@ -64,6 +71,17 @@ typedef struct DisasContext { bool is_ldex; /* True if a single-step exception will be taken to the current EL */ bool ss_same_el; + /* True if v8.3-PAuth is active. */ + bool pauth_active; + /* True with v8.5-BTI and SCTLR_ELx.BT* set. */ + bool bt; + /* + * >= 0, a copy of PSTATE.BTYPE, which will be 0 without v8.5-BTI. + * < 0, set by the current instruction. + */ + int8_t btype; + /* True if this page is guarded. */ + bool guarded_page; /* Bottom two bits of XScale c15_cpar coprocessor access control reg */ int c15_cpar; /* TCG op of the current insn_start. */ @@ -108,7 +126,7 @@ static inline int default_exception_el(DisasContext *s) ? 3 : MAX(1, s->current_el); } -static void disas_set_insn_syndrome(DisasContext *s, uint32_t syn) +static inline void disas_set_insn_syndrome(DisasContext *s, uint32_t syn) { /* We don't need to save all of the syndrome so we mask and shift * out unneeded bits to help the sleb128 encoder do a better job. @@ -118,7 +136,7 @@ static void disas_set_insn_syndrome(DisasContext *s, uint32_t syn) /* We check and clear insn_start_idx to catch multiple updates. */ assert(s->insn_start != NULL); - tcg_set_insn_param(s->insn_start, 2, syn); + tcg_set_insn_start_param(s->insn_start, 2, syn); s->insn_start = NULL; } @@ -151,8 +169,7 @@ static void disas_set_insn_syndrome(DisasContext *s, uint32_t syn) #ifdef TARGET_AARCH64 void a64_translate_init(void); void gen_a64_set_pc_im(uint64_t val); -void aarch64_cpu_dump_state(CPUState *cs, FILE *f, - fprintf_function cpu_fprintf, int flags); +void aarch64_cpu_dump_state(CPUState *cs, FILE *f, int flags); extern const TranslatorOps aarch64_translator_ops; #else static inline void a64_translate_init(void) @@ -163,9 +180,7 @@ static inline void gen_a64_set_pc_im(uint64_t val) { } -static inline void aarch64_cpu_dump_state(CPUState *cs, FILE *f, - fprintf_function cpu_fprintf, - int flags) +static inline void aarch64_cpu_dump_state(CPUState *cs, FILE *f, int flags) { } #endif @@ -175,4 +190,74 @@ void arm_free_cc(DisasCompare *cmp); void arm_jump_cc(DisasCompare *cmp, TCGLabel *label); void arm_gen_test_cc(int cc, TCGLabel *label); +/* Return state of Alternate Half-precision flag, caller frees result */ +static inline TCGv_i32 get_ahp_flag(void) +{ + TCGv_i32 ret = tcg_temp_new_i32(); + + tcg_gen_ld_i32(ret, cpu_env, + offsetof(CPUARMState, vfp.xregs[ARM_VFP_FPSCR])); + tcg_gen_extract_i32(ret, ret, 26, 1); + + return ret; +} + +/* Set bits within PSTATE. */ +static inline void set_pstate_bits(uint32_t bits) +{ + TCGv_i32 p = tcg_temp_new_i32(); + + tcg_debug_assert(!(bits & CACHED_PSTATE_BITS)); + + tcg_gen_ld_i32(p, cpu_env, offsetof(CPUARMState, pstate)); + tcg_gen_ori_i32(p, p, bits); + tcg_gen_st_i32(p, cpu_env, offsetof(CPUARMState, pstate)); + tcg_temp_free_i32(p); +} + +/* Clear bits within PSTATE. */ +static inline void clear_pstate_bits(uint32_t bits) +{ + TCGv_i32 p = tcg_temp_new_i32(); + + tcg_debug_assert(!(bits & CACHED_PSTATE_BITS)); + + tcg_gen_ld_i32(p, cpu_env, offsetof(CPUARMState, pstate)); + tcg_gen_andi_i32(p, p, ~bits); + tcg_gen_st_i32(p, cpu_env, offsetof(CPUARMState, pstate)); + tcg_temp_free_i32(p); +} + +/* If the singlestep state is Active-not-pending, advance to Active-pending. */ +static inline void gen_ss_advance(DisasContext *s) +{ + if (s->ss_active) { + s->pstate_ss = 0; + clear_pstate_bits(PSTATE_SS); + } +} + +/* Vector operations shared between ARM and AArch64. */ +extern const GVecGen3 bsl_op; +extern const GVecGen3 bit_op; +extern const GVecGen3 bif_op; +extern const GVecGen3 mla_op[4]; +extern const GVecGen3 mls_op[4]; +extern const GVecGen3 cmtst_op[4]; +extern const GVecGen2i ssra_op[4]; +extern const GVecGen2i usra_op[4]; +extern const GVecGen2i sri_op[4]; +extern const GVecGen2i sli_op[4]; +extern const GVecGen4 uqadd_op[4]; +extern const GVecGen4 sqadd_op[4]; +extern const GVecGen4 uqsub_op[4]; +extern const GVecGen4 sqsub_op[4]; +void gen_cmtst_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b); + +/* + * Forward to the isar_feature_* tests given a DisasContext pointer. + */ +#define dc_isar_feature(name, ctx) \ + ({ DisasContext *ctx_ = (ctx); isar_feature_##name(ctx_->isar); }) + #endif /* TARGET_ARM_TRANSLATE_H */