#ifndef TARGET_ARM_TRANSLATE_H
#define TARGET_ARM_TRANSLATE_H
+#include "exec/translator.h"
+
+
/* internal defines */
typedef struct DisasContext {
+ DisasContextBase base;
+ const ARMISARegisters *isar;
+
target_ulong pc;
+ target_ulong page_start;
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. */
/* Thumb-2 conditional execution bits. */
int condexec_mask;
int condexec_cond;
- struct TranslationBlock *tb;
- int singlestep_enabled;
int thumb;
int sctlr_b;
TCGMemOp be_data;
bool tbi1; /* TBI1 for EL0/1, not used for EL2/3 */
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 */
int vec_len;
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 */
/* Immediate value in AArch32 SVC insn; must be set if is_jmp == DISAS_SWI
* so that top level loop can generate correct syndrome information.
*/
bool ss_same_el;
/* Bottom two bits of XScale c15_cpar coprocessor access control reg */
int c15_cpar;
- /* TCG op index of the current insn_start. */
- int insn_start_idx;
+ /* TCG op of the current insn_start. */
+ TCGOp *insn_start;
#define TMP_A64_MAX 16
int tmp_a64_count;
TCGv_i64 tmp_a64[TMP_A64_MAX];
} DisasCompare;
/* Share the TCG temporaries common between 32 and 64 bit modes. */
-extern TCGv_env cpu_env;
extern TCGv_i32 cpu_NF, cpu_ZF, cpu_CF, cpu_VF;
extern TCGv_i64 cpu_exclusive_addr;
extern TCGv_i64 cpu_exclusive_val;
static inline int get_mem_index(DisasContext *s)
{
- return s->mmu_idx;
+ return arm_to_core_mmu_idx(s->mmu_idx);
}
/* Function used to determine the target exception EL when otherwise not known
? 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.
syn >>= ARM_INSN_START_WORD2_SHIFT;
/* We check and clear insn_start_idx to catch multiple updates. */
- assert(s->insn_start_idx != 0);
- tcg_set_insn_param(s->insn_start_idx, 2, syn);
- s->insn_start_idx = 0;
+ assert(s->insn_start != NULL);
+ tcg_set_insn_start_param(s->insn_start, 2, syn);
+ s->insn_start = NULL;
}
-/* target-specific extra values for is_jmp */
+/* is_jmp field values */
+#define DISAS_JUMP DISAS_TARGET_0 /* only pc was modified dynamically */
+#define DISAS_UPDATE DISAS_TARGET_1 /* cpu state was modified dynamically */
/* 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
+#define DISAS_WFI DISAS_TARGET_2
+#define DISAS_SWI DISAS_TARGET_3
/* WFE */
-#define DISAS_WFE 7
-#define DISAS_HVC 8
-#define DISAS_SMC 9
-#define DISAS_YIELD 10
+#define DISAS_WFE DISAS_TARGET_4
+#define DISAS_HVC DISAS_TARGET_5
+#define DISAS_SMC DISAS_TARGET_6
+#define DISAS_YIELD DISAS_TARGET_7
+/* M profile branch which might be an exception return (and so needs
+ * custom end-of-TB code)
+ */
+#define DISAS_BX_EXCRET DISAS_TARGET_8
+/* For instructions which want an immediate exit to the main loop,
+ * as opposed to attempting to use lookup_and_goto_ptr. Unlike
+ * DISAS_UPDATE this doesn't write the PC on exiting the translation
+ * loop so you need to ensure something (gen_a64_set_pc_im or runtime
+ * helper) has done so before we reach return from cpu_tb_exec.
+ */
+#define DISAS_EXIT DISAS_TARGET_9
#ifdef TARGET_AARCH64
void a64_translate_init(void);
-void gen_intermediate_code_a64(ARMCPU *cpu, TranslationBlock *tb);
void gen_a64_set_pc_im(uint64_t val);
void aarch64_cpu_dump_state(CPUState *cs, FILE *f,
fprintf_function cpu_fprintf, int flags);
+extern const TranslatorOps aarch64_translator_ops;
#else
static inline void a64_translate_init(void)
{
}
-static inline void gen_intermediate_code_a64(ARMCPU *cpu, TranslationBlock *tb)
-{
-}
-
static inline void gen_a64_set_pc_im(uint64_t val)
{
}
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;
+}
+
+
+/* Vector operations shared between ARM and AArch64. */
+extern const GVecGen3 bsl_op;
+extern const GVecGen3 bit_op;
+extern const GVecGen3 bif_op;
+extern const GVecGen2i ssra_op[4];
+extern const GVecGen2i usra_op[4];
+extern const GVecGen2i sri_op[4];
+extern const GVecGen2i sli_op[4];
+
+/*
+ * 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 */
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