#ifndef TARGET_ARM_TRANSLATE_H #define TARGET_ARM_TRANSLATE_H /* internal defines */ typedef struct DisasContext { target_ulong pc; uint32_t insn; int is_jmp; /* Nonzero if this instruction has been conditionally skipped. */ int condjmp; /* The label that will be jumped to when the instruction is skipped. */ int condlabel; /* Thumb-2 conditional execution bits. */ int condexec_mask; int condexec_cond; struct TranslationBlock *tb; int singlestep_enabled; int thumb; int bswap_code; #if !defined(CONFIG_USER_ONLY) int user; #endif bool cpacr_fpen; /* FP enabled via CPACR.FPEN */ bool vfp_enabled; /* FP enabled via FPSCR.EN */ int vec_len; int vec_stride; /* Immediate value in AArch32 SVC insn; must be set if is_jmp == DISAS_SWI * so that top level loop can generate correct syndrome information. */ uint32_t svc_imm; int aarch64; int current_el; GHashTable *cp_regs; uint64_t features; /* CPU features bits */ /* Because unallocated encodings generate different exception syndrome * information from traps due to FP being disabled, we can't do a single * "is fp access disabled" check at a high level in the decode tree. * To help in catching bugs where the access check was forgotten in some * code path, we set this flag when the access check is done, and assert * that it is set at the point where we actually touch the FP regs. */ bool fp_access_checked; /* ARMv8 single-step state (this is distinct from the QEMU gdbstub * single-step support). */ bool ss_active; bool pstate_ss; /* True if the insn just emitted was a load-exclusive instruction * (necessary for syndrome information for single step exceptions), * ie A64 LDX*, LDAX*, A32/T32 LDREX*, LDAEX*. */ bool is_ldex; /* True if a single-step exception will be taken to the current EL */ bool ss_same_el; /* Bottom two bits of XScale c15_cpar coprocessor access control reg */ int c15_cpar; #define TMP_A64_MAX 16 int tmp_a64_count; TCGv_i64 tmp_a64[TMP_A64_MAX]; } DisasContext; extern TCGv_ptr cpu_env; static inline int arm_dc_feature(DisasContext *dc, int feature) { return (dc->features & (1ULL << feature)) != 0; } static inline int get_mem_index(DisasContext *s) { return s->current_el; } /* target-specific extra values for is_jmp */ /* These instructions trap after executing, so the A32/T32 decoder must * defer them until after the conditional execution state has been updated. * WFI also needs special handling when single-stepping. */ #define DISAS_WFI 4 #define DISAS_SWI 5 /* For instructions which unconditionally cause an exception we can skip * emitting unreachable code at the end of the TB in the A64 decoder */ #define DISAS_EXC 6 /* WFE */ #define DISAS_WFE 7 #define DISAS_HVC 8 #define DISAS_SMC 9 #ifdef TARGET_AARCH64 void a64_translate_init(void); void gen_intermediate_code_internal_a64(ARMCPU *cpu, TranslationBlock *tb, bool search_pc); void gen_a64_set_pc_im(uint64_t val); void aarch64_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, int flags); #else static inline void a64_translate_init(void) { } static inline void gen_intermediate_code_internal_a64(ARMCPU *cpu, TranslationBlock *tb, bool search_pc) { } 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) { } #endif void arm_gen_test_cc(int cc, int label); #endif /* TARGET_ARM_TRANSLATE_H */