diff options
Diffstat (limited to 'target/microblaze/translate.c')
-rw-r--r-- | target/microblaze/translate.c | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index 2e753fa621..45b1555f85 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -67,8 +67,8 @@ static TCGv_i32 cpu_res_val; /* This is the state at translation time. */ typedef struct DisasContext { + DisasContextBase base; MicroBlazeCPU *cpu; - uint32_t pc; /* Decoder. */ int type_b; @@ -81,7 +81,6 @@ typedef struct DisasContext { unsigned int delayed_branch; unsigned int tb_flags, synced_flags; /* tb dependent flags. */ unsigned int clear_imm; - int is_jmp; #define JMP_NOJMP 0 #define JMP_DIRECT 1 @@ -91,8 +90,6 @@ typedef struct DisasContext { uint32_t jmp_pc; int abort_at_next_insn; - struct TranslationBlock *tb; - int singlestep_enabled; } DisasContext; static inline void t_sync_flags(DisasContext *dc) @@ -110,13 +107,13 @@ static void gen_raise_exception(DisasContext *dc, uint32_t index) gen_helper_raise_exception(cpu_env, tmp); tcg_temp_free_i32(tmp); - dc->is_jmp = DISAS_NORETURN; + dc->base.is_jmp = DISAS_NORETURN; } static void gen_raise_exception_sync(DisasContext *dc, uint32_t index) { t_sync_flags(dc); - tcg_gen_movi_i32(cpu_pc, dc->pc); + tcg_gen_movi_i32(cpu_pc, dc->base.pc_next); gen_raise_exception(dc, index); } @@ -132,7 +129,7 @@ static void gen_raise_hw_excp(DisasContext *dc, uint32_t esr_ec) static inline bool use_goto_tb(DisasContext *dc, target_ulong dest) { #ifndef CONFIG_USER_ONLY - return (dc->tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK); + return (dc->base.pc_first & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK); #else return true; #endif @@ -140,7 +137,7 @@ static inline bool use_goto_tb(DisasContext *dc, target_ulong dest) static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) { - if (dc->singlestep_enabled) { + if (dc->base.singlestep_enabled) { TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG); tcg_gen_movi_i32(cpu_pc, dest); gen_helper_raise_exception(cpu_env, tmp); @@ -148,12 +145,12 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) } else if (use_goto_tb(dc, dest)) { tcg_gen_goto_tb(n); tcg_gen_movi_i32(cpu_pc, dest); - tcg_gen_exit_tb(dc->tb, n); + tcg_gen_exit_tb(dc->base.tb, n); } else { tcg_gen_movi_i32(cpu_pc, dest); tcg_gen_exit_tb(NULL, 0); } - dc->is_jmp = DISAS_NORETURN; + dc->base.is_jmp = DISAS_NORETURN; } /* @@ -468,8 +465,8 @@ static void dec_msr(DisasContext *dc) msr_write(dc, t0); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); - tcg_gen_movi_i32(cpu_pc, dc->pc + 4); - dc->is_jmp = DISAS_UPDATE; + tcg_gen_movi_i32(cpu_pc, dc->base.pc_next + 4); + dc->base.is_jmp = DISAS_UPDATE; return; } @@ -546,7 +543,7 @@ static void dec_msr(DisasContext *dc) switch (sr) { case SR_PC: - tcg_gen_movi_i32(cpu_R[dc->rd], dc->pc); + tcg_gen_movi_i32(cpu_R[dc->rd], dc->base.pc_next); break; case SR_MSR: msr_read(dc, cpu_R[dc->rd]); @@ -813,7 +810,7 @@ static void dec_bit(DisasContext *dc) break; default: cpu_abort(cs, "unknown bit oc=%x op=%x rd=%d ra=%d rb=%d\n", - dc->pc, op, dc->rd, dc->ra, dc->rb); + (uint32_t)dc->base.pc_next, op, dc->rd, dc->ra, dc->rb); break; } } @@ -994,7 +991,7 @@ static void dec_load(DisasContext *dc) TCGv_i32 treg = tcg_const_i32(dc->rd); TCGv_i32 tsize = tcg_const_i32(size - 1); - tcg_gen_movi_i32(cpu_pc, dc->pc); + tcg_gen_movi_i32(cpu_pc, dc->base.pc_next); gen_helper_memalign(cpu_env, addr, treg, t0, tsize); tcg_temp_free_i32(t0); @@ -1114,7 +1111,7 @@ static void dec_store(DisasContext *dc) TCGv_i32 treg = tcg_const_i32(dc->rd); TCGv_i32 tsize = tcg_const_i32(size - 1); - tcg_gen_movi_i32(cpu_pc, dc->pc); + tcg_gen_movi_i32(cpu_pc, dc->base.pc_next); /* FIXME: if the alignment is wrong, we should restore the value * in memory. One possible way to achieve this is to probe * the MMU prior to the memaccess, thay way we could put @@ -1201,12 +1198,12 @@ static void dec_bcc(DisasContext *dc) if (dec_alu_op_b_is_small_imm(dc)) { int32_t offset = (int32_t)((int16_t)dc->imm); /* sign-extend. */ - tcg_gen_movi_i32(cpu_btarget, dc->pc + offset); + tcg_gen_movi_i32(cpu_btarget, dc->base.pc_next + offset); dc->jmp = JMP_DIRECT_CC; - dc->jmp_pc = dc->pc + offset; + dc->jmp_pc = dc->base.pc_next + offset; } else { dc->jmp = JMP_INDIRECT; - tcg_gen_addi_i32(cpu_btarget, *dec_alu_op_b(dc), dc->pc); + tcg_gen_addi_i32(cpu_btarget, *dec_alu_op_b(dc), dc->base.pc_next); } eval_cc(dc, cc, cpu_btaken, cpu_R[dc->ra]); } @@ -1250,7 +1247,7 @@ static void dec_br(DisasContext *dc) +offsetof(CPUState, halted)); tcg_temp_free_i32(tmp_1); - tcg_gen_movi_i32(cpu_pc, dc->pc + 4); + tcg_gen_movi_i32(cpu_pc, dc->base.pc_next + 4); gen_raise_exception(dc, EXCP_HLT); return; @@ -1270,7 +1267,7 @@ static void dec_br(DisasContext *dc) dec_setup_dslot(dc); } if (link && dc->rd) - tcg_gen_movi_i32(cpu_R[dc->rd], dc->pc); + tcg_gen_movi_i32(cpu_R[dc->rd], dc->base.pc_next); dc->jmp = JMP_INDIRECT; if (abs) { @@ -1291,10 +1288,10 @@ static void dec_br(DisasContext *dc) } else { if (dec_alu_op_b_is_small_imm(dc)) { dc->jmp = JMP_DIRECT; - dc->jmp_pc = dc->pc + (int32_t)((int16_t)dc->imm); + dc->jmp_pc = dc->base.pc_next + (int32_t)((int16_t)dc->imm); } else { tcg_gen_movi_i32(cpu_btaken, 1); - tcg_gen_addi_i32(cpu_btarget, *dec_alu_op_b(dc), dc->pc); + tcg_gen_addi_i32(cpu_btarget, *dec_alu_op_b(dc), dc->base.pc_next); } } } @@ -1459,7 +1456,8 @@ static void dec_fpu(DisasContext *dc) qemu_log_mask(LOG_UNIMP, "unimplemented fcmp fpu_insn=%x pc=%x" " opc=%x\n", - fpu_insn, dc->pc, dc->opcode); + fpu_insn, (uint32_t)dc->base.pc_next, + dc->opcode); dc->abort_at_next_insn = 1; break; } @@ -1489,7 +1487,7 @@ static void dec_fpu(DisasContext *dc) default: qemu_log_mask(LOG_UNIMP, "unimplemented FPU insn fpu_insn=%x pc=%x" " opc=%x\n", - fpu_insn, dc->pc, dc->opcode); + fpu_insn, (uint32_t)dc->base.pc_next, dc->opcode); dc->abort_at_next_insn = 1; break; } @@ -1500,7 +1498,8 @@ static void dec_null(DisasContext *dc) if (trap_illegal(dc, true)) { return; } - qemu_log_mask(LOG_GUEST_ERROR, "unknown insn pc=%x opc=%x\n", dc->pc, dc->opcode); + qemu_log_mask(LOG_GUEST_ERROR, "unknown insn pc=%x opc=%x\n", + (uint32_t)dc->base.pc_next, dc->opcode); dc->abort_at_next_insn = 1; } @@ -1610,19 +1609,20 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) pc_start = tb->pc; dc->cpu = cpu; - dc->tb = tb; org_flags = dc->synced_flags = dc->tb_flags = tb->flags; - dc->is_jmp = DISAS_NEXT; dc->jmp = 0; dc->delayed_branch = !!(dc->tb_flags & D_FLAG); if (dc->delayed_branch) { dc->jmp = JMP_INDIRECT; } - dc->pc = pc_start; - dc->singlestep_enabled = cs->singlestep_enabled; + dc->base.pc_first = pc_start; + dc->base.pc_next = pc_start; + dc->base.singlestep_enabled = cs->singlestep_enabled; dc->cpustate_changed = 0; dc->abort_at_next_insn = 0; + dc->base.is_jmp = DISAS_NEXT; + dc->base.tb = tb; if (pc_start & 3) { cpu_abort(cs, "Microblaze: unaligned PC=%x\n", pc_start); @@ -1634,31 +1634,31 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) gen_tb_start(tb); do { - tcg_gen_insn_start(dc->pc); + tcg_gen_insn_start(dc->base.pc_next); num_insns++; - if (unlikely(cpu_breakpoint_test(cs, dc->pc, BP_ANY))) { + if (unlikely(cpu_breakpoint_test(cs, dc->base.pc_next, BP_ANY))) { gen_raise_exception_sync(dc, EXCP_DEBUG); /* The address covered by the breakpoint must be included in [tb->pc, tb->pc + tb->size) in order to for it to be properly cleared -- thus we increment the PC here so that the logic setting tb->size below does the right thing. */ - dc->pc += 4; + dc->base.pc_next += 4; break; } /* Pretty disas. */ - LOG_DIS("%8.8x:\t", dc->pc); + LOG_DIS("%8.8x:\t", (uint32_t)dc->base.pc_next); if (num_insns == max_insns && (tb_cflags(tb) & CF_LAST_IO)) { gen_io_start(); } dc->clear_imm = 1; - decode(dc, cpu_ldl_code(env, dc->pc)); + decode(dc, cpu_ldl_code(env, dc->base.pc_next)); if (dc->clear_imm) dc->tb_flags &= ~IMM_FLAG; - dc->pc += 4; + dc->base.pc_next += 4; if (dc->delayed_branch) { dc->delayed_branch--; @@ -1673,10 +1673,10 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) dc->tb_flags &= ~D_FLAG; /* If it is a direct jump, try direct chaining. */ if (dc->jmp == JMP_INDIRECT) { - TCGv_i32 tmp_pc = tcg_const_i32(dc->pc); + TCGv_i32 tmp_pc = tcg_const_i32(dc->base.pc_next); eval_cond_jmp(dc, cpu_btarget, tmp_pc); tcg_temp_free_i32(tmp_pc); - dc->is_jmp = DISAS_JUMP; + dc->base.is_jmp = DISAS_JUMP; } else if (dc->jmp == JMP_DIRECT) { t_sync_flags(dc); gen_goto_tb(dc, 0, dc->jmp_pc); @@ -1685,26 +1685,26 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) t_sync_flags(dc); /* Conditional jmp. */ tcg_gen_brcondi_i32(TCG_COND_NE, cpu_btaken, 0, l1); - gen_goto_tb(dc, 1, dc->pc); + gen_goto_tb(dc, 1, dc->base.pc_next); gen_set_label(l1); gen_goto_tb(dc, 0, dc->jmp_pc); } break; } } - if (cs->singlestep_enabled) { + if (dc->base.singlestep_enabled) { break; } - } while (!dc->is_jmp && !dc->cpustate_changed + } while (!dc->base.is_jmp && !dc->cpustate_changed && !tcg_op_buf_full() && !singlestep - && (dc->pc - page_start < TARGET_PAGE_SIZE) + && (dc->base.pc_next - page_start < TARGET_PAGE_SIZE) && num_insns < max_insns); - npc = dc->pc; + npc = dc->base.pc_next; if (dc->jmp == JMP_DIRECT || dc->jmp == JMP_DIRECT_CC) { if (dc->tb_flags & D_FLAG) { - dc->is_jmp = DISAS_UPDATE; + dc->base.is_jmp = DISAS_UPDATE; tcg_gen_movi_i32(cpu_pc, npc); sync_jmpstate(dc); } else @@ -1712,25 +1712,25 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) } /* Force an update if the per-tb cpu state has changed. */ - if (dc->is_jmp == DISAS_NEXT + if (dc->base.is_jmp == DISAS_NEXT && (dc->cpustate_changed || org_flags != dc->tb_flags)) { - dc->is_jmp = DISAS_UPDATE; + dc->base.is_jmp = DISAS_UPDATE; tcg_gen_movi_i32(cpu_pc, npc); } t_sync_flags(dc); - if (dc->is_jmp == DISAS_NORETURN) { + if (dc->base.is_jmp == DISAS_NORETURN) { /* nothing more to generate */ } else if (unlikely(cs->singlestep_enabled)) { TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG); - if (dc->is_jmp != DISAS_JUMP) { + if (dc->base.is_jmp != DISAS_JUMP) { tcg_gen_movi_i32(cpu_pc, npc); } gen_helper_raise_exception(cpu_env, tmp); tcg_temp_free_i32(tmp); } else { - switch(dc->is_jmp) { + switch (dc->base.is_jmp) { case DISAS_NEXT: gen_goto_tb(dc, 1, npc); break; @@ -1746,7 +1746,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) } gen_tb_end(tb, num_insns); - tb->size = dc->pc - pc_start; + tb->size = dc->base.pc_next - pc_start; tb->icount = num_insns; #ifdef DEBUG_DISAS @@ -1755,7 +1755,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) && qemu_log_in_addr_range(pc_start)) { FILE *logfile = qemu_log_lock(); qemu_log("--------------\n"); - log_target_disas(cs, pc_start, dc->pc - pc_start); + log_target_disas(cs, pc_start, dc->base.pc_next - pc_start); qemu_log_unlock(logfile); } #endif |