diff options
Diffstat (limited to 'target/sparc')
| -rw-r--r-- | target/sparc/translate.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 5aa367a..03c6510 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -30,6 +30,7 @@ #include "exec/helper-gen.h" #include "trace-tcg.h" +#include "exec/translator.h" #include "exec/log.h" #include "asi.h" @@ -69,7 +70,7 @@ typedef struct DisasContext { target_ulong pc; /* current Program Counter: integer or DYNAMIC_PC */ target_ulong npc; /* next PC: integer or DYNAMIC_PC or JUMP_PC */ target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */ - int is_br; + DisasJumpType is_jmp; int mem_idx; bool fpu_enabled; bool address_mask_32bit; @@ -995,7 +996,7 @@ static void gen_branch_a(DisasContext *dc, target_ulong pc1) gen_set_label(l1); gen_goto_tb(dc, 1, npc + 4, npc + 8); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; } static void gen_branch_n(DisasContext *dc, target_ulong pc1) @@ -1078,7 +1079,7 @@ static void gen_exception(DisasContext *dc, int which) t = tcg_const_i32(which); gen_helper_raise_exception(cpu_env, t); tcg_temp_free_i32(t); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; } static void gen_check_align(TCGv addr, int mask) @@ -3351,7 +3352,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) if (cond == 8) { /* An unconditional trap ends the TB. */ - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; goto jmp_insn; } else { /* A conditional trap falls through to the next insn. */ @@ -4331,7 +4332,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) save_state(dc); gen_op_next_insn(); tcg_gen_exit_tb(0); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; break; case 0x6: /* V9 wrfprs */ tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2); @@ -4340,7 +4341,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) save_state(dc); gen_op_next_insn(); tcg_gen_exit_tb(0); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; break; case 0xf: /* V9 sir, nop if user */ #if !defined(CONFIG_USER_ONLY) @@ -4468,7 +4469,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) save_state(dc); gen_op_next_insn(); tcg_gen_exit_tb(0); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; #endif } break; @@ -4624,7 +4625,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) save_state(dc); gen_op_next_insn(); tcg_gen_exit_tb(0); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; break; case 1: // htstate // XXX gen_op_wrhtstate(); @@ -5690,7 +5691,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) } else if (dc->npc == JUMP_PC) { /* we can do a static jump */ gen_branch2(dc, dc->jump_pc[0], dc->jump_pc[1], cpu_cond); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; } else { dc->pc = dc->npc; dc->npc = dc->npc + 4; @@ -5752,6 +5753,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock * tb) pc_start = tb->pc; dc->pc = pc_start; last_pc = dc->pc; + dc->is_jmp = DISAS_NEXT; dc->npc = (target_ulong) tb->cs_base; dc->cc_op = CC_OP_DYNAMIC; dc->mem_idx = tb->flags & TB_FLAG_MMU_MASK; @@ -5796,7 +5798,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock * tb) } gen_helper_debug(cpu_env); tcg_gen_exit_tb(0); - dc->is_br = 1; + dc->is_jmp = DISAS_NORETURN; goto exit_gen_loop; } @@ -5808,8 +5810,9 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock * tb) disas_sparc_insn(dc, insn); - if (dc->is_br) + if (dc->is_jmp == DISAS_NORETURN) { break; + } /* if the next PC is different, we abort now */ if (dc->pc != (last_pc + 4)) break; @@ -5830,7 +5833,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock * tb) if (tb_cflags(tb) & CF_LAST_IO) { gen_io_end(); } - if (!dc->is_br) { + if (dc->is_jmp != DISAS_NORETURN) { if (dc->pc != DYNAMIC_PC && (dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) { /* static PC and NPC: we can use direct chaining */ |