1 #ifndef TARGET_ARM_TRANSLATE_H
2 #define TARGET_ARM_TRANSLATE_H
5 typedef struct DisasContext {
9 /* Nonzero if this instruction has been conditionally skipped. */
11 /* The label that will be jumped to when the instruction is skipped. */
13 /* Thumb-2 conditional execution bits. */
16 struct TranslationBlock *tb;
17 int singlestep_enabled;
20 #if !defined(CONFIG_USER_ONLY)
23 bool ns; /* Use non-secure CPREG bank on access */
24 bool cpacr_fpen; /* FP enabled via CPACR.FPEN */
25 bool vfp_enabled; /* FP enabled via FPSCR.EN */
28 /* Immediate value in AArch32 SVC insn; must be set if is_jmp == DISAS_SWI
29 * so that top level loop can generate correct syndrome information.
35 uint64_t features; /* CPU features bits */
36 /* Because unallocated encodings generate different exception syndrome
37 * information from traps due to FP being disabled, we can't do a single
38 * "is fp access disabled" check at a high level in the decode tree.
39 * To help in catching bugs where the access check was forgotten in some
40 * code path, we set this flag when the access check is done, and assert
41 * that it is set at the point where we actually touch the FP regs.
43 bool fp_access_checked;
44 /* ARMv8 single-step state (this is distinct from the QEMU gdbstub
45 * single-step support).
49 /* True if the insn just emitted was a load-exclusive instruction
50 * (necessary for syndrome information for single step exceptions),
51 * ie A64 LDX*, LDAX*, A32/T32 LDREX*, LDAEX*.
54 /* True if a single-step exception will be taken to the current EL */
56 /* Bottom two bits of XScale c15_cpar coprocessor access control reg */
58 #define TMP_A64_MAX 16
60 TCGv_i64 tmp_a64[TMP_A64_MAX];
63 extern TCGv_ptr cpu_env;
65 static inline int arm_dc_feature(DisasContext *dc, int feature)
67 return (dc->features & (1ULL << feature)) != 0;
70 static inline int get_mem_index(DisasContext *s)
75 /* target-specific extra values for is_jmp */
76 /* These instructions trap after executing, so the A32/T32 decoder must
77 * defer them until after the conditional execution state has been updated.
78 * WFI also needs special handling when single-stepping.
82 /* For instructions which unconditionally cause an exception we can skip
83 * emitting unreachable code at the end of the TB in the A64 decoder
92 void a64_translate_init(void);
93 void gen_intermediate_code_internal_a64(ARMCPU *cpu,
96 void gen_a64_set_pc_im(uint64_t val);
97 void aarch64_cpu_dump_state(CPUState *cs, FILE *f,
98 fprintf_function cpu_fprintf, int flags);
100 static inline void a64_translate_init(void)
104 static inline void gen_intermediate_code_internal_a64(ARMCPU *cpu,
105 TranslationBlock *tb,
110 static inline void gen_a64_set_pc_im(uint64_t val)
114 static inline void aarch64_cpu_dump_state(CPUState *cs, FILE *f,
115 fprintf_function cpu_fprintf,
121 void arm_gen_test_cc(int cc, int label);
123 #endif /* TARGET_ARM_TRANSLATE_H */