diff options
Diffstat (limited to 'target-cris')
| -rw-r--r-- | target-cris/translate.c | 5040 |
1 files changed, 2540 insertions, 2500 deletions
diff --git a/target-cris/translate.c b/target-cris/translate.c index f8ebc43a86..023980ec56 100644 --- a/target-cris/translate.c +++ b/target-cris/translate.c @@ -74,89 +74,89 @@ static TCGv env_pc; /* This is the state at translation time. */ typedef struct DisasContext { - CPUCRISState *env; - target_ulong pc, ppc; + CPUCRISState *env; + target_ulong pc, ppc; - /* Decoder. */ + /* Decoder. */ unsigned int (*decoder)(CPUCRISState *env, struct DisasContext *dc); - uint32_t ir; - uint32_t opcode; - unsigned int op1; - unsigned int op2; - unsigned int zsize, zzsize; - unsigned int mode; - unsigned int postinc; - - unsigned int size; - unsigned int src; - unsigned int dst; - unsigned int cond; - - int update_cc; - int cc_op; - int cc_size; - uint32_t cc_mask; - - int cc_size_uptodate; /* -1 invalid or last written value. */ - - int cc_x_uptodate; /* 1 - ccs, 2 - known | X_FLAG. 0 not uptodate. */ - int flags_uptodate; /* Wether or not $ccs is uptodate. */ - int flagx_known; /* Wether or not flags_x has the x flag known at - translation time. */ - int flags_x; - - int clear_x; /* Clear x after this insn? */ - int clear_prefix; /* Clear prefix after this insn? */ - int clear_locked_irq; /* Clear the irq lockout. */ - int cpustate_changed; - unsigned int tb_flags; /* tb dependent flags. */ - int is_jmp; + uint32_t ir; + uint32_t opcode; + unsigned int op1; + unsigned int op2; + unsigned int zsize, zzsize; + unsigned int mode; + unsigned int postinc; + + unsigned int size; + unsigned int src; + unsigned int dst; + unsigned int cond; + + int update_cc; + int cc_op; + int cc_size; + uint32_t cc_mask; + + int cc_size_uptodate; /* -1 invalid or last written value. */ + + int cc_x_uptodate; /* 1 - ccs, 2 - known | X_FLAG. 0 not uptodate. */ + int flags_uptodate; /* Wether or not $ccs is uptodate. */ + int flagx_known; /* Wether or not flags_x has the x flag known at + translation time. */ + int flags_x; + + int clear_x; /* Clear x after this insn? */ + int clear_prefix; /* Clear prefix after this insn? */ + int clear_locked_irq; /* Clear the irq lockout. */ + int cpustate_changed; + unsigned int tb_flags; /* tb dependent flags. */ + int is_jmp; #define JMP_NOJMP 0 #define JMP_DIRECT 1 #define JMP_DIRECT_CC 2 #define JMP_INDIRECT 3 - int jmp; /* 0=nojmp, 1=direct, 2=indirect. */ - uint32_t jmp_pc; + int jmp; /* 0=nojmp, 1=direct, 2=indirect. */ + uint32_t jmp_pc; - int delayed_branch; + int delayed_branch; - struct TranslationBlock *tb; - int singlestep_enabled; + struct TranslationBlock *tb; + int singlestep_enabled; } DisasContext; static void gen_BUG(DisasContext *dc, const char *file, int line) { - printf ("BUG: pc=%x %s %d\n", dc->pc, file, line); - qemu_log("BUG: pc=%x %s %d\n", dc->pc, file, line); - cpu_abort(dc->env, "%s:%d\n", file, line); + printf("BUG: pc=%x %s %d\n", dc->pc, file, line); + qemu_log("BUG: pc=%x %s %d\n", dc->pc, file, line); + cpu_abort(dc->env, "%s:%d\n", file, line); } static const char *regnames[] = { - "$r0", "$r1", "$r2", "$r3", - "$r4", "$r5", "$r6", "$r7", - "$r8", "$r9", "$r10", "$r11", - "$r12", "$r13", "$sp", "$acr", + "$r0", "$r1", "$r2", "$r3", + "$r4", "$r5", "$r6", "$r7", + "$r8", "$r9", "$r10", "$r11", + "$r12", "$r13", "$sp", "$acr", }; static const char *pregnames[] = { - "$bz", "$vr", "$pid", "$srs", - "$wz", "$exs", "$eda", "$mof", - "$dz", "$ebp", "$erp", "$srp", - "$nrp", "$ccs", "$usp", "$spc", + "$bz", "$vr", "$pid", "$srs", + "$wz", "$exs", "$eda", "$mof", + "$dz", "$ebp", "$erp", "$srp", + "$nrp", "$ccs", "$usp", "$spc", }; /* We need this table to handle preg-moves with implicit width. */ static int preg_sizes[] = { - 1, /* bz. */ - 1, /* vr. */ - 4, /* pid. */ - 1, /* srs. */ - 2, /* wz. */ - 4, 4, 4, - 4, 4, 4, 4, - 4, 4, 4, 4, + 1, /* bz. */ + 1, /* vr. */ + 4, /* pid. */ + 1, /* srs. */ + 2, /* wz. */ + 4, 4, 4, + 4, 4, 4, 4, + 4, 4, 4, 4, }; #define t_gen_mov_TN_env(tn, member) \ @@ -166,113 +166,122 @@ static int preg_sizes[] = { static inline void t_gen_mov_TN_reg(TCGv tn, int r) { - if (r < 0 || r > 15) - fprintf(stderr, "wrong register read $r%d\n", r); - tcg_gen_mov_tl(tn, cpu_R[r]); + if (r < 0 || r > 15) { + fprintf(stderr, "wrong register read $r%d\n", r); + } + tcg_gen_mov_tl(tn, cpu_R[r]); } static inline void t_gen_mov_reg_TN(int r, TCGv tn) { - if (r < 0 || r > 15) - fprintf(stderr, "wrong register write $r%d\n", r); - tcg_gen_mov_tl(cpu_R[r], tn); + if (r < 0 || r > 15) { + fprintf(stderr, "wrong register write $r%d\n", r); + } + tcg_gen_mov_tl(cpu_R[r], tn); } static inline void _t_gen_mov_TN_env(TCGv tn, int offset) { - if (offset > sizeof (CPUCRISState)) - fprintf(stderr, "wrong load from env from off=%d\n", offset); - tcg_gen_ld_tl(tn, cpu_env, offset); + if (offset > sizeof(CPUCRISState)) { + fprintf(stderr, "wrong load from env from off=%d\n", offset); + } + tcg_gen_ld_tl(tn, cpu_env, offset); } static inline void _t_gen_mov_env_TN(int offset, TCGv tn) { - if (offset > sizeof (CPUCRISState)) - fprintf(stderr, "wrong store to env at off=%d\n", offset); - tcg_gen_st_tl(tn, cpu_env, offset); + if (offset > sizeof(CPUCRISState)) { + fprintf(stderr, "wrong store to env at off=%d\n", offset); + } + tcg_gen_st_tl(tn, cpu_env, offset); } static inline void t_gen_mov_TN_preg(TCGv tn, int r) { - if (r < 0 || r > 15) - fprintf(stderr, "wrong register read $p%d\n", r); - if (r == PR_BZ || r == PR_WZ || r == PR_DZ) - tcg_gen_mov_tl(tn, tcg_const_tl(0)); - else if (r == PR_VR) - tcg_gen_mov_tl(tn, tcg_const_tl(32)); - else - tcg_gen_mov_tl(tn, cpu_PR[r]); + if (r < 0 || r > 15) { + fprintf(stderr, "wrong register read $p%d\n", r); + } + if (r == PR_BZ || r == PR_WZ || r == PR_DZ) { + tcg_gen_mov_tl(tn, tcg_const_tl(0)); + } else if (r == PR_VR) { + tcg_gen_mov_tl(tn, tcg_const_tl(32)); + } else { + tcg_gen_mov_tl(tn, cpu_PR[r]); + } } static inline void t_gen_mov_preg_TN(DisasContext *dc, int r, TCGv tn) { - if (r < 0 || r > 15) - fprintf(stderr, "wrong register write $p%d\n", r); - if (r == PR_BZ || r == PR_WZ || r == PR_DZ) - return; - else if (r == PR_SRS) - tcg_gen_andi_tl(cpu_PR[r], tn, 3); - else { - if (r == PR_PID) - gen_helper_tlb_flush_pid(cpu_env, tn); - if (dc->tb_flags & S_FLAG && r == PR_SPC) - gen_helper_spc_write(cpu_env, tn); - else if (r == PR_CCS) - dc->cpustate_changed = 1; - tcg_gen_mov_tl(cpu_PR[r], tn); - } + if (r < 0 || r > 15) { + fprintf(stderr, "wrong register write $p%d\n", r); + } + if (r == PR_BZ || r == PR_WZ || r == PR_DZ) { + return; + } else if (r == PR_SRS) { + tcg_gen_andi_tl(cpu_PR[r], tn, 3); + } else { + if (r == PR_PID) { + gen_helper_tlb_flush_pid(cpu_env, tn); + } + if (dc->tb_flags & S_FLAG && r == PR_SPC) { + gen_helper_spc_write(cpu_env, tn); + } else if (r == PR_CCS) { + dc->cpustate_changed = 1; + } + tcg_gen_mov_tl(cpu_PR[r], tn); + } } /* Sign extend at translation time. */ static int sign_extend(unsigned int val, unsigned int width) { - int sval; + int sval; - /* LSL. */ - val <<= 31 - width; - sval = val; - /* ASR. */ - sval >>= 31 - width; - return sval; + /* LSL. */ + val <<= 31 - width; + sval = val; + /* ASR. */ + sval >>= 31 - width; + return sval; } static int cris_fetch(CPUCRISState *env, DisasContext *dc, uint32_t addr, - unsigned int size, unsigned int sign) -{ - int r; - - switch (size) { - case 4: - { - r = cpu_ldl_code(env, addr); - break; - } - case 2: - { - if (sign) { - r = cpu_ldsw_code(env, addr); - } else { - r = cpu_lduw_code(env, addr); - } - break; - } - case 1: - { - if (sign) { - r = cpu_ldsb_code(env, addr); - } else { - r = cpu_ldub_code(env, addr); - } - break; - } - default: - cpu_abort(dc->env, "Invalid fetch size %d\n", size); - break; - } - return r; + unsigned int size, unsigned int sign) +{ + int r; + + switch (size) { + case 4: + { + r = cpu_ldl_code(env, addr); + break; + } + case 2: + { + if (sign) { + r = cpu_ldsw_code(env, addr); + } else { + r = cpu_lduw_code(env, addr); + } + break; + } + case 1: + { + if (sign) { + r = cpu_ldsb_code(env, addr); + } else { + r = cpu_ldub_code(env, addr); + } + break; + } + default: + cpu_abort(dc->env, "Invalid fetch size %d\n", size); + break; + } + return r; } static void cris_lock_irq(DisasContext *dc) { - dc->clear_locked_irq = 0; - t_gen_mov_env_TN(locked_irq, tcg_const_tl(1)); + dc->clear_locked_irq = 0; + t_gen_mov_env_TN(locked_irq, tcg_const_tl(1)); } static inline void t_gen_raise_exception(uint32_t index) @@ -284,240 +293,241 @@ static inline void t_gen_raise_exception(uint32_t index) static void t_gen_lsl(TCGv d, TCGv a, TCGv b) { - TCGv t0, t_31; + TCGv t0, t_31; - t0 = tcg_temp_new(); - t_31 = tcg_const_tl(31); - tcg_gen_shl_tl(d, a, b); + t0 = tcg_temp_new(); + t_31 = tcg_const_tl(31); + tcg_gen_shl_tl(d, a, b); - tcg_gen_sub_tl(t0, t_31, b); - tcg_gen_sar_tl(t0, t0, t_31); - tcg_gen_and_tl(t0, t0, d); - tcg_gen_xor_tl(d, d, t0); - tcg_temp_free(t0); - tcg_temp_free(t_31); + tcg_gen_sub_tl(t0, t_31, b); + tcg_gen_sar_tl(t0, t0, t_31); + tcg_gen_and_tl(t0, t0, d); + tcg_gen_xor_tl(d, d, t0); + tcg_temp_free(t0); + tcg_temp_free(t_31); } static void t_gen_lsr(TCGv d, TCGv a, TCGv b) { - TCGv t0, t_31; + TCGv t0, t_31; - t0 = tcg_temp_new(); - t_31 = tcg_temp_new(); - tcg_gen_shr_tl(d, a, b); + t0 = tcg_temp_new(); + t_31 = tcg_temp_new(); + tcg_gen_shr_tl(d, a, b); - tcg_gen_movi_tl(t_31, 31); - tcg_gen_sub_tl(t0, t_31, b); - tcg_gen_sar_tl(t0, t0, t_31); - tcg_gen_and_tl(t0, t0, d); - tcg_gen_xor_tl(d, d, t0); - tcg_temp_free(t0); - tcg_temp_free(t_31); + tcg_gen_movi_tl(t_31, 31); + tcg_gen_sub_tl(t0, t_31, b); + tcg_gen_sar_tl(t0, t0, t_31); + tcg_gen_and_tl(t0, t0, d); + tcg_gen_xor_tl(d, d, t0); + tcg_temp_free(t0); + tcg_temp_free(t_31); } static void t_gen_asr(TCGv d, TCGv a, TCGv b) { - TCGv t0, t_31; + TCGv t0, t_31; - t0 = tcg_temp_new(); - t_31 = tcg_temp_new(); - tcg_gen_sar_tl(d, a, b); + t0 = tcg_temp_new(); + t_31 = tcg_temp_new(); + tcg_gen_sar_tl(d, a, b); - tcg_gen_movi_tl(t_31, 31); - tcg_gen_sub_tl(t0, t_31, b); - tcg_gen_sar_tl(t0, t0, t_31); - tcg_gen_or_tl(d, d, t0); - tcg_temp_free(t0); - tcg_temp_free(t_31); + tcg_gen_movi_tl(t_31, 31); + tcg_gen_sub_tl(t0, t_31, b); + tcg_gen_sar_tl(t0, t0, t_31); + tcg_gen_or_tl(d, d, t0); + tcg_temp_free(t0); + tcg_temp_free(t_31); } /* 64-bit signed mul, lower result in d and upper in d2. */ static void t_gen_muls(TCGv d, TCGv d2, TCGv a, TCGv b) { - TCGv_i64 t0, t1; + TCGv_i64 t0, t1; - t0 = tcg_temp_new_i64(); - t1 = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); - tcg_gen_ext_i32_i64(t0, a); - tcg_gen_ext_i32_i64(t1, b); - tcg_gen_mul_i64(t0, t0, t1); + tcg_gen_ext_i32_i64(t0, a); + tcg_gen_ext_i32_i64(t1, b); + tcg_gen_mul_i64(t0, t0, t1); - tcg_gen_trunc_i64_i32(d, t0); - tcg_gen_shri_i64(t0, t0, 32); - tcg_gen_trunc_i64_i32(d2, t0); + tcg_gen_trunc_i64_i32(d, t0); + tcg_gen_shri_i64(t0, t0, 32); + tcg_gen_trunc_i64_i32(d2, t0); - tcg_temp_free_i64(t0); - tcg_temp_free_i64(t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); } /* 64-bit unsigned muls, lower result in d and upper in d2. */ static void t_gen_mulu(TCGv d, TCGv d2, TCGv a, TCGv b) { - TCGv_i64 t0, t1; + TCGv_i64 t0, t1; - t0 = tcg_temp_new_i64(); - t1 = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); - tcg_gen_extu_i32_i64(t0, a); - tcg_gen_extu_i32_i64(t1, b); - tcg_gen_mul_i64(t0, t0, t1); + tcg_gen_extu_i32_i64(t0, a); + tcg_gen_extu_i32_i64(t1, b); + tcg_gen_mul_i64(t0, t0, t1); - tcg_gen_trunc_i64_i32(d, t0); - tcg_gen_shri_i64(t0, t0, 32); - tcg_gen_trunc_i64_i32(d2, t0); + tcg_gen_trunc_i64_i32(d, t0); + tcg_gen_shri_i64(t0, t0, 32); + tcg_gen_trunc_i64_i32(d2, t0); - tcg_temp_free_i64(t0); - tcg_temp_free_i64(t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); } static void t_gen_cris_dstep(TCGv d, TCGv a, TCGv b) { - int l1; + int l1; - l1 = gen_new_label(); + l1 = gen_new_label(); - /* - * d <<= 1 - * if (d >= s) - * d -= s; - */ - tcg_gen_shli_tl(d, a, 1); - tcg_gen_brcond_tl(TCG_COND_LTU, d, b, l1); - tcg_gen_sub_tl(d, d, b); - gen_set_label(l1); + /* + * d <<= 1 + * if (d >= s) + * d -= s; + */ + tcg_gen_shli_tl(d, a, 1); + tcg_gen_brcond_tl(TCG_COND_LTU, d, b, l1); + tcg_gen_sub_tl(d, d, b); + gen_set_label(l1); } static void t_gen_cris_mstep(TCGv d, TCGv a, TCGv b, TCGv ccs) { - TCGv t; + TCGv t; - /* - * d <<= 1 - * if (n) - * d += s; - */ - t = tcg_temp_new(); - tcg_gen_shli_tl(d, a, 1); - tcg_gen_shli_tl(t, ccs, 31 - 3); - tcg_gen_sari_tl(t, t, 31); - tcg_gen_and_tl(t, t, b); - tcg_gen_add_tl(d, d, t); - tcg_temp_free(t); + /* + * d <<= 1 + * if (n) + * d += s; + */ + t = tcg_temp_new(); + tcg_gen_shli_tl(d, a, 1); + tcg_gen_shli_tl(t, ccs, 31 - 3); + tcg_gen_sari_tl(t, t, 31); + tcg_gen_and_tl(t, t, b); + tcg_gen_add_tl(d, d, t); + tcg_temp_free(t); } /* Extended arithmetics on CRIS. */ static inline void t_gen_add_flag(TCGv d, int flag) { - TCGv c; + TCGv c; - c = tcg_temp_new(); - t_gen_mov_TN_preg(c, PR_CCS); - /* Propagate carry into d. */ - tcg_gen_andi_tl(c, c, 1 << flag); - if (flag) - tcg_gen_shri_tl(c, c, flag); - tcg_gen_add_tl(d, d, c); - tcg_temp_free(c); + c = tcg_temp_new(); + t_gen_mov_TN_preg(c, PR_CCS); + /* Propagate carry into d. */ + tcg_gen_andi_tl(c, c, 1 << flag); + if (flag) { + tcg_gen_shri_tl(c, c, flag); + } + tcg_gen_add_tl(d, d, c); + tcg_temp_free(c); } static inline void t_gen_addx_carry(DisasContext *dc, TCGv d) { - if (dc->flagx_known) { - if (dc->flags_x) { - TCGv c; + if (dc->flagx_known) { + if (dc->flags_x) { + TCGv c; - c = tcg_temp_new(); - t_gen_mov_TN_preg(c, PR_CCS); - /* C flag is already at bit 0. */ - tcg_gen_andi_tl(c, c, C_FLAG); - tcg_gen_add_tl(d, d, c); - tcg_temp_free(c); - } - } else { - TCGv x, c; - - x = tcg_temp_new(); - c = tcg_temp_new(); - t_gen_mov_TN_preg(x, PR_CCS); - tcg_gen_mov_tl(c, x); - - /* Propagate carry into d if X is set. Branch free. */ - tcg_gen_andi_tl(c, c, C_FLAG); - tcg_gen_andi_tl(x, x, X_FLAG); - tcg_gen_shri_tl(x, x, 4); - - tcg_gen_and_tl(x, x, c); - tcg_gen_add_tl(d, d, x); - tcg_temp_free(x); - tcg_temp_free(c); - } + c = tcg_temp_new(); + t_gen_mov_TN_preg(c, PR_CCS); + /* C flag is already at bit 0. */ + tcg_gen_andi_tl(c, c, C_FLAG); + tcg_gen_add_tl(d, d, c); + tcg_temp_free(c); + } + } else { + TCGv x, c; + + x = tcg_temp_new(); + c = tcg_temp_new(); + t_gen_mov_TN_preg(x, PR_CCS); + tcg_gen_mov_tl(c, x); + + /* Propagate carry into d if X is set. Branch free. */ + tcg_gen_andi_tl(c, c, C_FLAG); + tcg_gen_andi_tl(x, x, X_FLAG); + tcg_gen_shri_tl(x, x, 4); + + tcg_gen_and_tl(x, x, c); + tcg_gen_add_tl(d, d, x); + tcg_temp_free(x); + tcg_temp_free(c); + } } static inline void t_gen_subx_carry(DisasContext *dc, TCGv d) { - if (dc->flagx_known) { - if (dc->flags_x) { - TCGv c; + if (dc->flagx_known) { + if (dc->flags_x) { + TCGv c; - c = tcg_temp_new(); - t_gen_mov_TN_preg(c, PR_CCS); - /* C flag is already at bit 0. */ - tcg_gen_andi_tl(c, c, C_FLAG); - tcg_gen_sub_tl(d, d, c); - tcg_temp_free(c); - } - } else { - TCGv x, c; - - x = tcg_temp_new(); - c = tcg_temp_new(); - t_gen_mov_TN_preg(x, PR_CCS); - tcg_gen_mov_tl(c, x); - - /* Propagate carry into d if X is set. Branch free. */ - tcg_gen_andi_tl(c, c, C_FLAG); - tcg_gen_andi_tl(x, x, X_FLAG); - tcg_gen_shri_tl(x, x, 4); - - tcg_gen_and_tl(x, x, c); - tcg_gen_sub_tl(d, d, x); - tcg_temp_free(x); - tcg_temp_free(c); - } + c = tcg_temp_new(); + t_gen_mov_TN_preg(c, PR_CCS); + /* C flag is already at bit 0. */ + tcg_gen_andi_tl(c, c, C_FLAG); + tcg_gen_sub_tl(d, d, c); + tcg_temp_free(c); + } + } else { + TCGv x, c; + + x = tcg_temp_new(); + c = tcg_temp_new(); + t_gen_mov_TN_preg(x, PR_CCS); + tcg_gen_mov_tl(c, x); + + /* Propagate carry into d if X is set. Branch free. */ + tcg_gen_andi_tl(c, c, C_FLAG); + tcg_gen_andi_tl(x, x, X_FLAG); + tcg_gen_shri_tl(x, x, 4); + + tcg_gen_and_tl(x, x, c); + tcg_gen_sub_tl(d, d, x); + tcg_temp_free(x); + tcg_temp_free(c); + } } /* Swap the two bytes within each half word of the s operand. T0 = ((T0 << 8) & 0xff00ff00) | ((T0 >> 8) & 0x00ff00ff) */ static inline void t_gen_swapb(TCGv d, TCGv s) { - TCGv t, org_s; + TCGv t, org_s; - t = tcg_temp_new(); - org_s = tcg_temp_new(); + t = tcg_temp_new(); + org_s = tcg_temp_new(); - /* d and s may refer to the same object. */ - tcg_gen_mov_tl(org_s, s); - tcg_gen_shli_tl(t, org_s, 8); - tcg_gen_andi_tl(d, t, 0xff00ff00); - tcg_gen_shri_tl(t, org_s, 8); - tcg_gen_andi_tl(t, t, 0x00ff00ff); - tcg_gen_or_tl(d, d, t); - tcg_temp_free(t); - tcg_temp_free(org_s); + /* d and s may refer to the same object. */ + tcg_gen_mov_tl(org_s, s); + tcg_gen_shli_tl(t, org_s, 8); + tcg_gen_andi_tl(d, t, 0xff00ff00); + tcg_gen_shri_tl(t, org_s, 8); + tcg_gen_andi_tl(t, t, 0x00ff00ff); + tcg_gen_or_tl(d, d, t); + tcg_temp_free(t); + tcg_temp_free(org_s); } /* Swap the halfwords of the s operand. */ static inline void t_gen_swapw(TCGv d, TCGv s) { - TCGv t; - /* d and s refer the same object. */ - t = tcg_temp_new(); - tcg_gen_mov_tl(t, s); - tcg_gen_shli_tl(d, t, 16); - tcg_gen_shri_tl(t, t, 16); - tcg_gen_or_tl(d, d, t); - tcg_temp_free(t); + TCGv t; + /* d and s refer the same object. */ + t = tcg_temp_new(); + tcg_gen_mov_tl(t, s); + tcg_gen_shli_tl(d, t, 16); + tcg_gen_shri_tl(t, t, 16); + tcg_gen_or_tl(d, d, t); + tcg_temp_free(t); } /* Reverse the within each byte. @@ -532,607 +542,611 @@ static inline void t_gen_swapw(TCGv d, TCGv s) */ static inline void t_gen_swapr(TCGv d, TCGv s) { - struct { - int shift; /* LSL when positive, LSR when negative. */ - uint32_t mask; - } bitrev [] = { - {7, 0x80808080}, - {5, 0x40404040}, - {3, 0x20202020}, - {1, 0x10101010}, - {-1, 0x08080808}, - {-3, 0x04040404}, - {-5, 0x02020202}, - {-7, 0x01010101} - }; - int i; - TCGv t, org_s; - - /* d and s refer the same object. */ - t = tcg_temp_new(); - org_s = tcg_temp_new(); - tcg_gen_mov_tl(org_s, s); - - tcg_gen_shli_tl(t, org_s, bitrev[0].shift); - tcg_gen_andi_tl(d, t, bitrev[0].mask); - for (i = 1; i < ARRAY_SIZE(bitrev); i++) { - if (bitrev[i].shift >= 0) { - tcg_gen_shli_tl(t, org_s, bitrev[i].shift); - } else { - tcg_gen_shri_tl(t, org_s, -bitrev[i].shift); - } - tcg_gen_andi_tl(t, t, bitrev[i].mask); - tcg_gen_or_tl(d, d, t); - } - tcg_temp_free(t); - tcg_temp_free(org_s); + struct { + int shift; /* LSL when positive, LSR when negative. */ + uint32_t mask; + } bitrev[] = { + {7, 0x80808080}, + {5, 0x40404040}, + {3, 0x20202020}, + {1, 0x10101010}, + {-1, 0x08080808}, + {-3, 0x04040404}, + {-5, 0x02020202}, + {-7, 0x01010101} + }; + int i; + TCGv t, org_s; + + /* d and s refer the same object. */ + t = tcg_temp_new(); + org_s = tcg_temp_new(); + tcg_gen_mov_tl(org_s, s); + + tcg_gen_shli_tl(t, org_s, bitrev[0].shift); + tcg_gen_andi_tl(d, t, bitrev[0].mask); + for (i = 1; i < ARRAY_SIZE(bitrev); i++) { + if (bitrev[i].shift >= 0) { + tcg_gen_shli_tl(t, org_s, bitrev[i].shift); + } else { + tcg_gen_shri_tl(t, org_s, -bitrev[i].shift); + } + tcg_gen_andi_tl(t, t, bitrev[i].mask); + tcg_gen_or_tl(d, d, t); + } + tcg_temp_free(t); + tcg_temp_free(org_s); } static void t_gen_cc_jmp(TCGv pc_true, TCGv pc_false) { - int l1; + int l1; - l1 = gen_new_label(); + l1 = gen_new_label(); - /* Conditional jmp. */ - tcg_gen_mov_tl(env_pc, pc_false); - tcg_gen_brcondi_tl(TCG_COND_EQ, env_btaken, 0, l1); - tcg_gen_mov_tl(env_pc, pc_true); - gen_set_label(l1); + /* Conditional jmp. */ + tcg_gen_mov_tl(env_pc, pc_false); + tcg_gen_brcondi_tl(TCG_COND_EQ, env_btaken, 0, l1); + tcg_gen_mov_tl(env_pc, pc_true); + gen_set_label(l1); } static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) { - TranslationBlock *tb; - tb = dc->tb; - if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { - tcg_gen_goto_tb(n); - tcg_gen_movi_tl(env_pc, dest); + TranslationBlock *tb; + tb = dc->tb; + if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { + tcg_gen_goto_tb(n); + tcg_gen_movi_tl(env_pc, dest); tcg_gen_exit_tb((tcg_target_long)tb + n); - } else { - tcg_gen_movi_tl(env_pc, dest); - tcg_gen_exit_tb(0); - } + } else { + tcg_gen_movi_tl(env_pc, dest); + tcg_gen_exit_tb(0); + } } static inline void cris_clear_x_flag(DisasContext *dc) { - if (dc->flagx_known && dc->flags_x) - dc->flags_uptodate = 0; + if (dc->flagx_known && dc->flags_x) { + dc->flags_uptodate = 0; + } - dc->flagx_known = 1; - dc->flags_x = 0; + dc->flagx_known = 1; + dc->flags_x = 0; } static void cris_flush_cc_state(DisasContext *dc) { - if (dc->cc_size_uptodate != dc->cc_size) { - tcg_gen_movi_tl(cc_size, dc->cc_size); - dc->cc_size_uptodate = dc->cc_size; - } - tcg_gen_movi_tl(cc_op, dc->cc_op); - tcg_gen_movi_tl(cc_mask, dc->cc_mask); + if (dc->cc_size_uptodate != dc->cc_size) { + tcg_gen_movi_tl(cc_size, dc->cc_size); + dc->cc_size_uptodate = dc->cc_size; + } + tcg_gen_movi_tl(cc_op, dc->cc_op); + tcg_gen_movi_tl(cc_mask, dc->cc_mask); } static void cris_evaluate_flags(DisasContext *dc) { - if (dc->flags_uptodate) - return; - - cris_flush_cc_state(dc); - - switch (dc->cc_op) - { - case CC_OP_MCP: - gen_helper_evaluate_flags_mcp(cpu_PR[PR_CCS], cpu_env, - cpu_PR[PR_CCS], cc_src, - cc_dest, cc_result); - break; - case CC_OP_MULS: - gen_helper_evaluate_flags_muls(cpu_PR[PR_CCS], cpu_env, - cpu_PR[PR_CCS], cc_result, - cpu_PR[PR_MOF]); - break; - case CC_OP_MULU: - gen_helper_evaluate_flags_mulu(cpu_PR[PR_CCS], cpu_env, - cpu_PR[PR_CCS], cc_result, - cpu_PR[PR_MOF]); - break; - case CC_OP_MOVE: - case CC_OP_AND: - case CC_OP_OR: - case CC_OP_XOR: - case CC_OP_ASR: - case CC_OP_LSR: - case CC_OP_LSL: - switch (dc->cc_size) - { - case 4: - gen_helper_evaluate_flags_move_4(cpu_PR[PR_CCS], - cpu_env, cpu_PR[PR_CCS], cc_result); - break; - case 2: - gen_helper_evaluate_flags_move_2(cpu_PR[PR_CCS], - cpu_env, cpu_PR[PR_CCS], cc_result); - break; - default: - gen_helper_evaluate_flags(cpu_env); - break; - } - break; - case CC_OP_FLAGS: - /* live. */ - break; - case CC_OP_SUB: - case CC_OP_CMP: - if (dc->cc_size == 4) - gen_helper_evaluate_flags_sub_4(cpu_PR[PR_CCS], cpu_env, - cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); - else - gen_helper_evaluate_flags(cpu_env); - - break; - default: - switch (dc->cc_size) - { - case 4: - gen_helper_evaluate_flags_alu_4(cpu_PR[PR_CCS], cpu_env, - cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); - break; - default: - gen_helper_evaluate_flags(cpu_env); - break; - } - break; - } - - if (dc->flagx_known) { - if (dc->flags_x) - tcg_gen_ori_tl(cpu_PR[PR_CCS], - cpu_PR[PR_CCS], X_FLAG); - else if (dc->cc_op == CC_OP_FLAGS) - tcg_gen_andi_tl(cpu_PR[PR_CCS], - cpu_PR[PR_CCS], ~X_FLAG); + if (dc->flags_uptodate) { + return; + } + + cris_flush_cc_state(dc); + + switch (dc->cc_op) { + case CC_OP_MCP: + gen_helper_evaluate_flags_mcp(cpu_PR[PR_CCS], cpu_env, + cpu_PR[PR_CCS], cc_src, + cc_dest, cc_result); + break; + case CC_OP_MULS: + gen_helper_evaluate_flags_muls(cpu_PR[PR_CCS], cpu_env, + cpu_PR[PR_CCS], cc_result, + cpu_PR[PR_MOF]); + break; + case CC_OP_MULU: + gen_helper_evaluate_flags_mulu(cpu_PR[PR_CCS], cpu_env, + cpu_PR[PR_CCS], cc_result, + cpu_PR[PR_MOF]); + break; + case CC_OP_MOVE: + case CC_OP_AND: + case CC_OP_OR: + case CC_OP_XOR: + case CC_OP_ASR: + case CC_OP_LSR: + case CC_OP_LSL: + switch (dc->cc_size) { + case 4: + gen_helper_evaluate_flags_move_4(cpu_PR[PR_CCS], + cpu_env, cpu_PR[PR_CCS], cc_result); + break; + case 2: + gen_helper_evaluate_flags_move_2(cpu_PR[PR_CCS], + cpu_env, cpu_PR[PR_CCS], cc_result); + break; + default: + gen_helper_evaluate_flags(cpu_env); + break; + } + break; + case CC_OP_FLAGS: + /* live. */ + break; + case CC_OP_SUB: + case CC_OP_CMP: + if (dc->cc_size == 4) { + gen_helper_evaluate_flags_sub_4(cpu_PR[PR_CCS], cpu_env, + cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); + } else { + gen_helper_evaluate_flags(cpu_env); + } + + break; + default: + switch (dc->cc_size) { + case 4: + gen_helper_evaluate_flags_alu_4(cpu_PR[PR_CCS], cpu_env, + cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); + break; + default: + gen_helper_evaluate_flags(cpu_env); + break; } - dc->flags_uptodate = 1; + break; + } + + if (dc->flagx_known) { + if (dc->flags_x) { + tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], X_FLAG); + } else if (dc->cc_op == CC_OP_FLAGS) { + tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~X_FLAG); + } + } + dc->flags_uptodate = 1; } static void cris_cc_mask(DisasContext *dc, unsigned int mask) { - uint32_t ovl; + uint32_t ovl; - if (!mask) { - dc->update_cc = 0; - return; - } + if (!mask) { + dc->update_cc = 0; + return; + } - /* Check if we need to evaluate the condition codes due to - CC overlaying. */ - ovl = (dc->cc_mask ^ mask) & ~mask; - if (ovl) { - /* TODO: optimize this case. It trigs all the time. */ - cris_evaluate_flags (dc); - } - dc->cc_mask = mask; - dc->update_cc = 1; + /* Check if we need to evaluate the condition codes due to + CC overlaying. */ + ovl = (dc->cc_mask ^ mask) & ~mask; + if (ovl) { + /* TODO: optimize this case. It trigs all the time. */ + cris_evaluate_flags(dc); + } + dc->cc_mask = mask; + dc->update_cc = 1; } static void cris_update_cc_op(DisasContext *dc, int op, int size) { - dc->cc_op = op; - dc->cc_size = size; - dc->flags_uptodate = 0; + dc->cc_op = op; + dc->cc_size = size; + dc->flags_uptodate = 0; } static inline void cris_update_cc_x(DisasContext *dc) { - /* Save the x flag state at the time of the cc snapshot. */ - if (dc->flagx_known) { - if (dc->cc_x_uptodate == (2 | dc->flags_x)) - return; - tcg_gen_movi_tl(cc_x, dc->flags_x); - dc->cc_x_uptodate = 2 | dc->flags_x; - } - else { - tcg_gen_andi_tl(cc_x, cpu_PR[PR_CCS], X_FLAG); - dc->cc_x_uptodate = 1; - } + /* Save the x flag state at the time of the cc snapshot. */ + if (dc->flagx_known) { + if (dc->cc_x_uptodate == (2 | dc->flags_x)) { + return; + } + tcg_gen_movi_tl(cc_x, dc->flags_x); + dc->cc_x_uptodate = 2 | dc->flags_x; + } else { + tcg_gen_andi_tl(cc_x, cpu_PR[PR_CCS], X_FLAG); + dc->cc_x_uptodate = 1; + } } /* Update cc prior to executing ALU op. Needs source operands untouched. */ static void cris_pre_alu_update_cc(DisasContext *dc, int op, - TCGv dst, TCGv src, int size) -{ - if (dc->update_cc) { - cris_update_cc_op(dc, op, size); - tcg_gen_mov_tl(cc_src, src); - - if (op != CC_OP_MOVE - && op != CC_OP_AND - && op != CC_OP_OR - && op != CC_OP_XOR - && op != CC_OP_ASR - && op != CC_OP_LSR - && op != CC_OP_LSL) - tcg_gen_mov_tl(cc_dest, dst); + TCGv dst, TCGv src, int size) +{ + if (dc->update_cc) { + cris_update_cc_op(dc, op, size); + tcg_gen_mov_tl(cc_src, src); + + if (op != CC_OP_MOVE + && op != CC_OP_AND + && op != CC_OP_OR + && op != CC_OP_XOR + && op != CC_OP_ASR + && op != CC_OP_LSR + && op != CC_OP_LSL) { + tcg_gen_mov_tl(cc_dest, dst); + } - cris_update_cc_x(dc); - } + cris_update_cc_x(dc); + } } /* Update cc after executing ALU op. needs the result. */ static inline void cris_update_result(DisasContext *dc, TCGv res) { - if (dc->update_cc) - tcg_gen_mov_tl(cc_result, res); + if (dc->update_cc) { + tcg_gen_mov_tl(cc_result, res); + } } /* Returns one if the write back stage should execute. */ static void cris_alu_op_exec(DisasContext *dc, int op, - TCGv dst, TCGv a, TCGv b, int size) -{ - /* Emit the ALU insns. */ - switch (op) - { - case CC_OP_ADD: - tcg_gen_add_tl(dst, a, b); - /* Extended arithmetics. */ - t_gen_addx_carry(dc, dst); - break; - case CC_OP_ADDC: - tcg_gen_add_tl(dst, a, b); - t_gen_add_flag(dst, 0); /* C_FLAG. */ - break; - case CC_OP_MCP: - tcg_gen_add_tl(dst, a, b); - t_gen_add_flag(dst, 8); /* R_FLAG. */ - break; - case CC_OP_SUB: - tcg_gen_sub_tl(dst, a, b); - /* Extended arithmetics. */ - t_gen_subx_carry(dc, dst); - break; - case CC_OP_MOVE: - tcg_gen_mov_tl(dst, b); - break; - case CC_OP_OR: - tcg_gen_or_tl(dst, a, b); - break; - case CC_OP_AND: - tcg_gen_and_tl(dst, a, b); - break; - case CC_OP_XOR: - tcg_gen_xor_tl(dst, a, b); - break; - case CC_OP_LSL: - t_gen_lsl(dst, a, b); - break; - case CC_OP_LSR: - t_gen_lsr(dst, a, b); - break; - case CC_OP_ASR: - t_gen_asr(dst, a, b); - break; - case CC_OP_NEG: - tcg_gen_neg_tl(dst, b); - /* Extended arithmetics. */ - t_gen_subx_carry(dc, dst); - break; - case CC_OP_LZ: - gen_helper_lz(dst, b); - break; - case CC_OP_MULS: - t_gen_muls(dst, cpu_PR[PR_MOF], a, b); - break; - case CC_OP_MULU: - t_gen_mulu(dst, cpu_PR[PR_MOF], a, b); - break; - case CC_OP_DSTEP: - t_gen_cris_dstep(dst, a, b); - break; - case CC_OP_MSTEP: - t_gen_cris_mstep(dst, a, b, cpu_PR[PR_CCS]); - break; - case CC_OP_BOUND: - { - int l1; - l1 = gen_new_label(); - tcg_gen_mov_tl(dst, a); - tcg_gen_brcond_tl(TCG_COND_LEU, a, b, l1); - tcg_gen_mov_tl(dst, b); - gen_set_label(l1); - } - break; - case CC_OP_CMP: - tcg_gen_sub_tl(dst, a, b); - /* Extended arithmetics. */ - t_gen_subx_carry(dc, dst); - break; - default: - qemu_log("illegal ALU op.\n"); - BUG(); - break; - } - - if (size == 1) - tcg_gen_andi_tl(dst, dst, 0xff); - else if (size == 2) - tcg_gen_andi_tl(dst, dst, 0xffff); + TCGv dst, TCGv a, TCGv b, int size) +{ + /* Emit the ALU insns. */ + switch (op) { + case CC_OP_ADD: + tcg_gen_add_tl(dst, a, b); + /* Extended arithmetics. */ + t_gen_addx_carry(dc, dst); + break; + case CC_OP_ADDC: + tcg_gen_add_tl(dst, a, b); + t_gen_add_flag(dst, 0); /* C_FLAG. */ + break; + case CC_OP_MCP: + tcg_gen_add_tl(dst, a, b); + t_gen_add_flag(dst, 8); /* R_FLAG. */ + break; + case CC_OP_SUB: + tcg_gen_sub_tl(dst, a, b); + /* Extended arithmetics. */ + t_gen_subx_carry(dc, dst); + break; + case CC_OP_MOVE: + tcg_gen_mov_tl(dst, b); + break; + case CC_OP_OR: + tcg_gen_or_tl(dst, a, b); + break; + case CC_OP_AND: + tcg_gen_and_tl(dst, a, b); + break; + case CC_OP_XOR: + tcg_gen_xor_tl(dst, a, b); + break; + case CC_OP_LSL: + t_gen_lsl(dst, a, b); + break; + case CC_OP_LSR: + t_gen_lsr(dst, a, b); + break; + case CC_OP_ASR: + t_gen_asr(dst, a, b); + break; + case CC_OP_NEG: + tcg_gen_neg_tl(dst, b); + /* Extended arithmetics. */ + t_gen_subx_carry(dc, dst); + break; + case CC_OP_LZ: + gen_helper_lz(dst, b); + break; + case CC_OP_MULS: + t_gen_muls(dst, cpu_PR[PR_MOF], a, b); + break; + case CC_OP_MULU: + t_gen_mulu(dst, cpu_PR[PR_MOF], a, b); + break; + case CC_OP_DSTEP: + t_gen_cris_dstep(dst, a, b); + break; + case CC_OP_MSTEP: + t_gen_cris_mstep(dst, a, b, cpu_PR[PR_CCS]); + break; + case CC_OP_BOUND: + { + int l1; + l1 = gen_new_label(); + tcg_gen_mov_tl(dst, a); + tcg_gen_brcond_tl(TCG_COND_LEU, a, b, l1); + tcg_gen_mov_tl(dst, b); + gen_set_label(l1); + } + break; + case CC_OP_CMP: + tcg_gen_sub_tl(dst, a, b); + /* Extended arithmetics. */ + t_gen_subx_carry(dc, dst); + break; + default: + qemu_log("illegal ALU op.\n"); + BUG(); + break; + } + + if (size == 1) { + tcg_gen_andi_tl(dst, dst, 0xff); + } else if (size == 2) { + tcg_gen_andi_tl(dst, dst, 0xffff); + } } static void cris_alu(DisasContext *dc, int op, - TCGv d, TCGv op_a, TCGv op_b, int size) + TCGv d, TCGv op_a, TCGv op_b, int size) { - TCGv tmp; - int writeback; + TCGv tmp; + int writeback; - writeback = 1; + writeback = 1; - if (op == CC_OP_CMP) { - tmp = tcg_temp_new(); - writeback = 0; - } else if (size == 4) { - tmp = d; - writeback = 0; - } else - tmp = tcg_temp_new(); + if (op == CC_OP_CMP) { + tmp = tcg_temp_new(); + writeback = 0; + } else if (size == 4) { + tmp = d; + writeback = 0; + } else { + tmp = tcg_temp_new(); + } - cris_pre_alu_update_cc(dc, op, op_a, op_b, size); - cris_alu_op_exec(dc, op, tmp, op_a, op_b, size); - cris_update_result(dc, tmp); + cris_pre_alu_update_cc(dc, op, op_a, op_b, size); + cris_alu_op_exec(dc, op, tmp, op_a, op_b, size); + cris_update_result(dc, tmp); - /* Writeback. */ - if (writeback) { - if (size == 1) - tcg_gen_andi_tl(d, d, ~0xff); - else - tcg_gen_andi_tl(d, d, ~0xffff); - tcg_gen_or_tl(d, d, tmp); - } - if (!TCGV_EQUAL(tmp, d)) - tcg_temp_free(tmp); + /* Writeback. */ + if (writeback) { + if (size == 1) { + tcg_gen_andi_tl(d, d, ~0xff); + } else { + tcg_gen_andi_tl(d, d, ~0xffff); + } + tcg_gen_or_tl(d, d, tmp); + } + if (!TCGV_EQUAL(tmp, d)) { + tcg_temp_free(tmp); + } } static int arith_cc(DisasContext *dc) { - if (dc->update_cc) { - switch (dc->cc_op) { - case CC_OP_ADDC: return 1; - case CC_OP_ADD: return 1; - case CC_OP_SUB: return 1; - case CC_OP_DSTEP: return 1; - case CC_OP_LSL: return 1; - case CC_OP_LSR: return 1; - case CC_OP_ASR: return 1; - case CC_OP_CMP: return 1; - case CC_OP_NEG: return 1; - case CC_OP_OR: return 1; - case CC_OP_AND: return 1; - case CC_OP_XOR: return 1; - case CC_OP_MULU: return 1; - case CC_OP_MULS: return 1; - default: - return 0; - } - } - return 0; + if (dc->update_cc) { + switch (dc->cc_op) { + case CC_OP_ADDC: return 1; + case CC_OP_ADD: return 1; + case CC_OP_SUB: return 1; + case CC_OP_DSTEP: return 1; + case CC_OP_LSL: return 1; + case CC_OP_LSR: return 1; + case CC_OP_ASR: return 1; + case CC_OP_CMP: return 1; + case CC_OP_NEG: return 1; + case CC_OP_OR: return 1; + case CC_OP_AND: return 1; + case CC_OP_XOR: return 1; + case CC_OP_MULU: return 1; + case CC_OP_MULS: return 1; + default: + return 0; + } + } + return 0; } static void gen_tst_cc (DisasContext *dc, TCGv cc, int cond) { - int arith_opt, move_opt; - - /* TODO: optimize more condition codes. */ - - /* - * If the flags are live, we've gotta look into the bits of CCS. - * Otherwise, if we just did an arithmetic operation we try to - * evaluate the condition code faster. - * - * When this function is done, T0 should be non-zero if the condition - * code is true. - */ - arith_opt = arith_cc(dc) && !dc->flags_uptodate; - move_opt = (dc->cc_op == CC_OP_MOVE); - switch (cond) { - case CC_EQ: - if ((arith_opt || move_opt) - && dc->cc_x_uptodate != (2 | X_FLAG)) { - tcg_gen_setcond_tl(TCG_COND_EQ, cc, - cc_result, tcg_const_tl(0)); - } - else { - cris_evaluate_flags(dc); - tcg_gen_andi_tl(cc, - cpu_PR[PR_CCS], Z_FLAG); - } - break; - case CC_NE: - if ((arith_opt || move_opt) - && dc->cc_x_uptodate != (2 | X_FLAG)) { - tcg_gen_mov_tl(cc, cc_result); - } else { - cris_evaluate_flags(dc); - tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], - Z_FLAG); - tcg_gen_andi_tl(cc, cc, Z_FLAG); - } - break; - case CC_CS: - cris_evaluate_flags(dc); - tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], C_FLAG); - break; - case CC_CC: - cris_evaluate_flags(dc); - tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], C_FLAG); - tcg_gen_andi_tl(cc, cc, C_FLAG); - break; - case CC_VS: - cris_evaluate_flags(dc); - tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], V_FLAG); - break; - case CC_VC: - cris_evaluate_flags(dc); - tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], - V_FLAG); - tcg_gen_andi_tl(cc, cc, V_FLAG); - break; - case CC_PL: - if (arith_opt || move_opt) { - int bits = 31; - - if (dc->cc_size == 1) - bits = 7; - else if (dc->cc_size == 2) - bits = 15; - - tcg_gen_shri_tl(cc, cc_result, bits); - tcg_gen_xori_tl(cc, cc, 1); - } else { - cris_evaluate_flags(dc); - tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], - N_FLAG); - tcg_gen_andi_tl(cc, cc, N_FLAG); - } - break; - case CC_MI: - if (arith_opt || move_opt) { - int bits = 31; - - if (dc->cc_size == 1) - bits = 7; - else if (dc->cc_size == 2) - bits = 15; - - tcg_gen_shri_tl(cc, cc_result, bits); - tcg_gen_andi_tl(cc, cc, 1); - } - else { - cris_evaluate_flags(dc); - tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], - N_FLAG); - } - break; - case CC_LS: - cris_evaluate_flags(dc); - tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], - C_FLAG | Z_FLAG); - break; - case CC_HI: - cris_evaluate_flags(dc); - { - TCGv tmp; - - tmp = tcg_temp_new(); - tcg_gen_xori_tl(tmp, cpu_PR[PR_CCS], - C_FLAG | Z_FLAG); - /* Overlay the C flag on top of the Z. */ - tcg_gen_shli_tl(cc, tmp, 2); - tcg_gen_and_tl(cc, tmp, cc); - tcg_gen_andi_tl(cc, cc, Z_FLAG); - - tcg_temp_free(tmp); - } - break; - case CC_GE: - cris_evaluate_flags(dc); - /* Overlay the V flag on top of the N. */ - tcg_gen_shli_tl(cc, cpu_PR[PR_CCS], 2); - tcg_gen_xor_tl(cc, - cpu_PR[PR_CCS], cc); - tcg_gen_andi_tl(cc, cc, N_FLAG); - tcg_gen_xori_tl(cc, cc, N_FLAG); - break; - case CC_LT: - cris_evaluate_flags(dc); - /* Overlay the V flag on top of the N. */ - tcg_gen_shli_tl(cc, cpu_PR[PR_CCS], 2); - tcg_gen_xor_tl(cc, - cpu_PR[PR_CCS], cc); - tcg_gen_andi_tl(cc, cc, N_FLAG); - break; - case CC_GT: - cris_evaluate_flags(dc); - { - TCGv n, z; - - n = tcg_temp_new(); - z = tcg_temp_new(); - - /* To avoid a shift we overlay everything on - the V flag. */ - tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2); - tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1); - /* invert Z. */ - tcg_gen_xori_tl(z, z, 2); - - tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]); - tcg_gen_xori_tl(n, n, 2); - tcg_gen_and_tl(cc, z, n); - tcg_gen_andi_tl(cc, cc, 2); - - tcg_temp_free(n); - tcg_temp_free(z); - } - break; - case CC_LE: - cris_evaluate_flags(dc); - { - TCGv n, z; - - n = tcg_temp_new(); - z = tcg_temp_new(); - - /* To avoid a shift we overlay everything on - the V flag. */ - tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2); - tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1); - - tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]); - tcg_gen_or_tl(cc, z, n); - tcg_gen_andi_tl(cc, cc, 2); - - tcg_temp_free(n); - tcg_temp_free(z); - } - break; - case CC_P: - cris_evaluate_flags(dc); - tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], P_FLAG); - break; - case CC_A: - tcg_gen_movi_tl(cc, 1); - break; - default: - BUG(); - break; - }; + int arith_opt, move_opt; + + /* TODO: optimize more condition codes. */ + + /* + * If the flags are live, we've gotta look into the bits of CCS. + * Otherwise, if we just did an arithmetic operation we try to + * evaluate the condition code faster. + * + * When this function is done, T0 should be non-zero if the condition + * code is true. + */ + arith_opt = arith_cc(dc) && !dc->flags_uptodate; + move_opt = (dc->cc_op == CC_OP_MOVE); + switch (cond) { + case CC_EQ: + if ((arith_opt || move_opt) + && dc->cc_x_uptodate != (2 | X_FLAG)) { + tcg_gen_setcond_tl(TCG_COND_EQ, cc, + cc_result, tcg_const_tl(0)); + } else { + cris_evaluate_flags(dc); + tcg_gen_andi_tl(cc, + cpu_PR[PR_CCS], Z_FLAG); + } + break; + case CC_NE: + if ((arith_opt || move_opt) + && dc->cc_x_uptodate != (2 | X_FLAG)) { + tcg_gen_mov_tl(cc, cc_result); + } else { + cris_evaluate_flags(dc); + tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], + Z_FLAG); + tcg_gen_andi_tl(cc, cc, Z_FLAG); + } + break; + case CC_CS: + cris_evaluate_flags(dc); + tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], C_FLAG); + break; + case CC_CC: + cris_evaluate_flags(dc); + tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], C_FLAG); + tcg_gen_andi_tl(cc, cc, C_FLAG); + break; + case CC_VS: + cris_evaluate_flags(dc); + tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], V_FLAG); + break; + case CC_VC: + cris_evaluate_flags(dc); + tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], + V_FLAG); + tcg_gen_andi_tl(cc, cc, V_FLAG); + break; + case CC_PL: + if (arith_opt || move_opt) { + int bits = 31; + + if (dc->cc_size == 1) { + bits = 7; + } else if (dc->cc_size == 2) { + bits = 15; + } + + tcg_gen_shri_tl(cc, cc_result, bits); + tcg_gen_xori_tl(cc, cc, 1); + } else { + cris_evaluate_flags(dc); + tcg_gen_xori_tl(cc, cpu_PR[PR_CCS], + N_FLAG); + tcg_gen_andi_tl(cc, cc, N_FLAG); + } + break; + case CC_MI: + if (arith_opt || move_opt) { + int bits = 31; + + if (dc->cc_size == 1) { + bits = 7; + } else if (dc->cc_size == 2) { + bits = 15; + } + + tcg_gen_shri_tl(cc, cc_result, bits); + tcg_gen_andi_tl(cc, cc, 1); + } else { + cris_evaluate_flags(dc); + tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], + N_FLAG); + } + break; + case CC_LS: + cris_evaluate_flags(dc); + tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], + C_FLAG | Z_FLAG); + break; + case CC_HI: + cris_evaluate_flags(dc); + { + TCGv tmp; + + tmp = tcg_temp_new(); + tcg_gen_xori_tl(tmp, cpu_PR[PR_CCS], + C_FLAG | Z_FLAG); + /* Overlay the C flag on top of the Z. */ + tcg_gen_shli_tl(cc, tmp, 2); + tcg_gen_and_tl(cc, tmp, cc); + tcg_gen_andi_tl(cc, cc, Z_FLAG); + + tcg_temp_free(tmp); + } + break; + case CC_GE: + cris_evaluate_flags(dc); + /* Overlay the V flag on top of the N. */ + tcg_gen_shli_tl(cc, cpu_PR[PR_CCS], 2); + tcg_gen_xor_tl(cc, + cpu_PR[PR_CCS], cc); + tcg_gen_andi_tl(cc, cc, N_FLAG); + tcg_gen_xori_tl(cc, cc, N_FLAG); + break; + case CC_LT: + cris_evaluate_flags(dc); + /* Overlay the V flag on top of the N. */ + tcg_gen_shli_tl(cc, cpu_PR[PR_CCS], 2); + tcg_gen_xor_tl(cc, + cpu_PR[PR_CCS], cc); + tcg_gen_andi_tl(cc, cc, N_FLAG); + break; + case CC_GT: + cris_evaluate_flags(dc); + { + TCGv n, z; + + n = tcg_temp_new(); + z = tcg_temp_new(); + + /* To avoid a shift we overlay everything on + the V flag. */ + tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2); + tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1); + /* invert Z. */ + tcg_gen_xori_tl(z, z, 2); + + tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]); + tcg_gen_xori_tl(n, n, 2); + tcg_gen_and_tl(cc, z, n); + tcg_gen_andi_tl(cc, cc, 2); + + tcg_temp_free(n); + tcg_temp_free(z); + } + break; + case CC_LE: + cris_evaluate_flags(dc); + { + TCGv n, z; + + n = tcg_temp_new(); + z = tcg_temp_new(); + + /* To avoid a shift we overlay everything on + the V flag. */ + tcg_gen_shri_tl(n, cpu_PR[PR_CCS], 2); + tcg_gen_shri_tl(z, cpu_PR[PR_CCS], 1); + + tcg_gen_xor_tl(n, n, cpu_PR[PR_CCS]); + tcg_gen_or_tl(cc, z, n); + tcg_gen_andi_tl(cc, cc, 2); + + tcg_temp_free(n); + tcg_temp_free(z); + } + break; + case CC_P: + cris_evaluate_flags(dc); + tcg_gen_andi_tl(cc, cpu_PR[PR_CCS], P_FLAG); + break; + case CC_A: + tcg_gen_movi_tl(cc, 1); + break; + default: + BUG(); + break; + }; } static void cris_store_direct_jmp(DisasContext *dc) { - /* Store the direct jmp state into the cpu-state. */ - if (dc->jmp == JMP_DIRECT || dc->jmp == JMP_DIRECT_CC) { - if (dc->jmp == JMP_DIRECT) { - tcg_gen_movi_tl(env_btaken, 1); - } - tcg_gen_movi_tl(env_btarget, dc->jmp_pc); - dc->jmp = JMP_INDIRECT; - } + /* Store the direct jmp state into the cpu-state. */ + if (dc->jmp == JMP_DIRECT || dc->jmp == JMP_DIRECT_CC) { + if (dc->jmp == JMP_DIRECT) { + tcg_gen_movi_tl(env_btaken, 1); + } + tcg_gen_movi_tl(env_btarget, dc->jmp_pc); + dc->jmp = JMP_INDIRECT; + } } static void cris_prepare_cc_branch (DisasContext *dc, - int offset, int cond) + int offset, int cond) { - /* This helps us re-schedule the micro-code to insns in delay-slots - before the actual jump. */ - dc->delayed_branch = 2; - dc->jmp = JMP_DIRECT_CC; - dc->jmp_pc = dc->pc + offset; + /* This helps us re-schedule the micro-code to insns in delay-slots + before the actual jump. */ + dc->delayed_branch = 2; + dc->jmp = JMP_DIRECT_CC; + dc->jmp_pc = dc->pc + offset; - gen_tst_cc (dc, env_btaken, cond); - tcg_gen_movi_tl(env_btarget, dc->jmp_pc); + gen_tst_cc(dc, env_btaken, cond); + tcg_gen_movi_tl(env_btarget, dc->jmp_pc); } @@ -1140,199 +1154,207 @@ static void cris_prepare_cc_branch (DisasContext *dc, when the dest addr is constant to allow tb chaining. */ static inline void cris_prepare_jmp (DisasContext *dc, unsigned int type) { - /* This helps us re-schedule the micro-code to insns in delay-slots - before the actual jump. */ - dc->delayed_branch = 2; - dc->jmp = type; - if (type == JMP_INDIRECT) { - tcg_gen_movi_tl(env_btaken, 1); - } + /* This helps us re-schedule the micro-code to insns in delay-slots + before the actual jump. */ + dc->delayed_branch = 2; + dc->jmp = type; + if (type == JMP_INDIRECT) { + tcg_gen_movi_tl(env_btaken, 1); + } } static void gen_load64(DisasContext *dc, TCGv_i64 dst, TCGv addr) { - int mem_index = cpu_mmu_index(dc->env); + int mem_index = cpu_mmu_index(dc->env); - /* If we get a fault on a delayslot we must keep the jmp state in - the cpu-state to be able to re-execute the jmp. */ - if (dc->delayed_branch == 1) - cris_store_direct_jmp(dc); + /* If we get a fault on a delayslot we must keep the jmp state in + the cpu-state to be able to re-execute the jmp. */ + if (dc->delayed_branch == 1) { + cris_store_direct_jmp(dc); + } - tcg_gen_qemu_ld64(dst, addr, mem_index); + tcg_gen_qemu_ld64(dst, addr, mem_index); } static void gen_load(DisasContext *dc, TCGv dst, TCGv addr, - unsigned int size, int sign) -{ - int mem_index = cpu_mmu_index(dc->env); - - /* If we get a fault on a delayslot we must keep the jmp state in - the cpu-state to be able to re-execute the jmp. */ - if (dc->delayed_branch == 1) - cris_store_direct_jmp(dc); - - if (size == 1) { - if (sign) - tcg_gen_qemu_ld8s(dst, addr, mem_index); - else - tcg_gen_qemu_ld8u(dst, addr, mem_index); - } - else if (size == 2) { - if (sign) - tcg_gen_qemu_ld16s(dst, addr, mem_index); - else - tcg_gen_qemu_ld16u(dst, addr, mem_index); - } - else if (size == 4) { - tcg_gen_qemu_ld32u(dst, addr, mem_index); - } - else { - abort(); - } + unsigned int size, int sign) +{ + int mem_index = cpu_mmu_index(dc->env); + + /* If we get a fault on a delayslot we must keep the jmp state in + the cpu-state to be able to re-execute the jmp. */ + if (dc->delayed_branch == 1) { + cris_store_direct_jmp(dc); + } + + if (size == 1) { + if (sign) { + tcg_gen_qemu_ld8s(dst, addr, mem_index); + } else { + tcg_gen_qemu_ld8u(dst, addr, mem_index); + } + } else if (size == 2) { + if (sign) { + tcg_gen_qemu_ld16s(dst, addr, mem_index); + } else { + tcg_gen_qemu_ld16u(dst, addr, mem_index); + } + } else if (size == 4) { + tcg_gen_qemu_ld32u(dst, addr, mem_index); + } else { + abort(); + } } static void gen_store (DisasContext *dc, TCGv addr, TCGv val, - unsigned int size) + unsigned int size) { - int mem_index = cpu_mmu_index(dc->env); + int mem_index = cpu_mmu_index(dc->env); - /* If we get a fault on a delayslot we must keep the jmp state in - the cpu-state to be able to re-execute the jmp. */ - if (dc->delayed_branch == 1) - cris_store_direct_jmp(dc); + /* If we get a fault on a delayslot we must keep the jmp state in + the cpu-state to be able to re-execute the jmp. */ + if (dc->delayed_branch == 1) { + cris_store_direct_jmp(dc); + } - /* Conditional writes. We only support the kind were X and P are known - at translation time. */ - if (dc->flagx_known && dc->flags_x && (dc->tb_flags & P_FLAG)) { - dc->postinc = 0; - cris_evaluate_flags(dc); - tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], C_FLAG); - return; - } + /* Conditional writes. We only support the kind were X and P are known + at translation time. */ + if (dc->flagx_known && dc->flags_x && (dc->tb_flags & P_FLAG)) { + dc->postinc = 0; + cris_evaluate_flags(dc); + tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], C_FLAG); + return; + } - if (size == 1) - tcg_gen_qemu_st8(val, addr, mem_index); - else if (size == 2) - tcg_gen_qemu_st16(val, addr, mem_index); - else - tcg_gen_qemu_st32(val, addr, mem_index); + if (size == 1) { + tcg_gen_qemu_st8(val, addr, mem_index); + } else if (size == 2) { + tcg_gen_qemu_st16(val, addr, mem_index); + } else { + tcg_gen_qemu_st32(val, addr, mem_index); + } - if (dc->flagx_known && dc->flags_x) { - cris_evaluate_flags(dc); - tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~C_FLAG); - } + if (dc->flagx_known && dc->flags_x) { + cris_evaluate_flags(dc); + tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~C_FLAG); + } } static inline void t_gen_sext(TCGv d, TCGv s, int size) { - if (size == 1) - tcg_gen_ext8s_i32(d, s); - else if (size == 2) - tcg_gen_ext16s_i32(d, s); - else if(!TCGV_EQUAL(d, s)) - tcg_gen_mov_tl(d, s); + if (size == 1) { + tcg_gen_ext8s_i32(d, s); + } else if (size == 2) { + tcg_gen_ext16s_i32(d, s); + } else if (!TCGV_EQUAL(d, s)) { + tcg_gen_mov_tl(d, s); + } } static inline void t_gen_zext(TCGv d, TCGv s, int size) { - if (size == 1) - tcg_gen_ext8u_i32(d, s); - else if (size == 2) - tcg_gen_ext16u_i32(d, s); - else if (!TCGV_EQUAL(d, s)) - tcg_gen_mov_tl(d, s); + if (size == 1) { + tcg_gen_ext8u_i32(d, s); + } else if (size == 2) { + tcg_gen_ext16u_i32(d, s); + } else if (!TCGV_EQUAL(d, s)) { + tcg_gen_mov_tl(d, s); + } } #if DISAS_CRIS static char memsize_char(int size) { - switch (size) - { - case 1: return 'b'; break; - case 2: return 'w'; break; - case 4: return 'd'; break; - default: - return 'x'; - break; - } + switch (size) { + case 1: return 'b'; break; + case 2: return 'w'; break; + case 4: return 'd'; break; + default: + return 'x'; + break; + } } #endif static inline unsigned int memsize_z(DisasContext *dc) { - return dc->zsize + 1; + return dc->zsize + 1; } static inline unsigned int memsize_zz(DisasContext *dc) { - switch (dc->zzsize) - { - case 0: return 1; - case 1: return 2; - default: - return 4; - } + switch (dc->zzsize) { + case 0: return 1; + case 1: return 2; + default: + return 4; + } } static inline void do_postinc (DisasContext *dc, int size) { - if (dc->postinc) - tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], size); + if (dc->postinc) { + tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], size); + } } static inline void dec_prep_move_r(DisasContext *dc, int rs, int rd, - int size, int s_ext, TCGv dst) + int size, int s_ext, TCGv dst) { - if (s_ext) - t_gen_sext(dst, cpu_R[rs], size); - else - t_gen_zext(dst, cpu_R[rs], size); + if (s_ext) { + t_gen_sext(dst, cpu_R[rs], size); + } else { + t_gen_zext(dst, cpu_R[rs], size); + } } /* Prepare T0 and T1 for a register alu operation. s_ext decides if the operand1 should be sign-extended or zero-extended when needed. */ static void dec_prep_alu_r(DisasContext *dc, int rs, int rd, - int size, int s_ext, TCGv dst, TCGv src) + int size, int s_ext, TCGv dst, TCGv src) { - dec_prep_move_r(dc, rs, rd, size, s_ext, src); + dec_prep_move_r(dc, rs, rd, size, s_ext, src); - if (s_ext) - t_gen_sext(dst, cpu_R[rd], size); - else - t_gen_zext(dst, cpu_R[rd], size); + if (s_ext) { + t_gen_sext(dst, cpu_R[rd], size); + } else { + t_gen_zext(dst, cpu_R[rd], size); + } } static int dec_prep_move_m(CPUCRISState *env, DisasContext *dc, int s_ext, int memsize, TCGv dst) { - unsigned int rs; - uint32_t imm; - int is_imm; - int insn_len = 2; - - rs = dc->op1; - is_imm = rs == 15 && dc->postinc; - - /* Load [$rs] onto T1. */ - if (is_imm) { - insn_len = 2 + memsize; - if (memsize == 1) - insn_len++; - - imm = cris_fetch(env, dc, dc->pc + 2, memsize, s_ext); - tcg_gen_movi_tl(dst, imm); - dc->postinc = 0; - } else { - cris_flush_cc_state(dc); - gen_load(dc, dst, cpu_R[rs], memsize, 0); - if (s_ext) - t_gen_sext(dst, dst, memsize); - else - t_gen_zext(dst, dst, memsize); - } - return insn_len; + unsigned int rs; + uint32_t imm; + int is_imm; + int insn_len = 2; + + rs = dc->op1; + is_imm = rs == 15 && dc->postinc; + + /* Load [$rs] onto T1. */ + if (is_imm) { + insn_len = 2 + memsize; + if (memsize == 1) { + insn_len++; + } + + imm = cris_fetch(env, dc, dc->pc + 2, memsize, s_ext); + tcg_gen_movi_tl(dst, imm); + dc->postinc = 0; + } else { + cris_flush_cc_state(dc); + gen_load(dc, dst, cpu_R[rs], memsize, 0); + if (s_ext) { + t_gen_sext(dst, dst, memsize); + } else { + t_gen_zext(dst, dst, memsize); + } + } + return insn_len; } /* Prepare T0 and T1 for a memory + alu operation. @@ -1341,22 +1363,22 @@ static int dec_prep_move_m(CPUCRISState *env, DisasContext *dc, static int dec_prep_alu_m(CPUCRISState *env, DisasContext *dc, int s_ext, int memsize, TCGv dst, TCGv src) { - int insn_len; + int insn_len; - insn_len = dec_prep_move_m(env, dc, s_ext, memsize, src); - tcg_gen_mov_tl(dst, cpu_R[dc->op2]); - return insn_len; + insn_len = dec_prep_move_m(env, dc, s_ext, memsize, src); + tcg_gen_mov_tl(dst, cpu_R[dc->op2]); + return insn_len; } #if DISAS_CRIS static const char *cc_name(int cc) { - static const char *cc_names[16] = { - "cc", "cs", "ne", "eq", "vc", "vs", "pl", "mi", - "ls", "hi", "ge", "lt", "gt", "le", "a", "p" - }; - assert(cc < 16); - return cc_names[cc]; + static const char *cc_names[16] = { + "cc", "cs", "ne", "eq", "vc", "vs", "pl", "mi", + "ls", "hi", "ge", "lt", "gt", "le", "a", "p" + }; + assert(cc < 16); + return cc_names[cc]; } #endif @@ -1364,1773 +1386,1781 @@ static const char *cc_name(int cc) static int dec_bccq(CPUCRISState *env, DisasContext *dc) { - int32_t offset; - int sign; - uint32_t cond = dc->op2; + int32_t offset; + int sign; + uint32_t cond = dc->op2; - offset = EXTRACT_FIELD (dc->ir, 1, 7); - sign = EXTRACT_FIELD(dc->ir, 0, 0); + offset = EXTRACT_FIELD(dc->ir, 1, 7); + sign = EXTRACT_FIELD(dc->ir, 0, 0); - offset *= 2; - offset |= sign << 8; - offset = sign_extend(offset, 8); + offset *= 2; + offset |= sign << 8; + offset = sign_extend(offset, 8); - LOG_DIS("b%s %x\n", cc_name(cond), dc->pc + offset); + LOG_DIS("b%s %x\n", cc_name(cond), dc->pc + offset); - /* op2 holds the condition-code. */ - cris_cc_mask(dc, 0); - cris_prepare_cc_branch (dc, offset, cond); - return 2; + /* op2 holds the condition-code. */ + cris_cc_mask(dc, 0); + cris_prepare_cc_branch(dc, offset, cond); + return 2; } static int dec_addoq(CPUCRISState *env, DisasContext *dc) { - int32_t imm; + int32_t imm; - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 7); - imm = sign_extend(dc->op1, 7); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 7); + imm = sign_extend(dc->op1, 7); - LOG_DIS("addoq %d, $r%u\n", imm, dc->op2); - cris_cc_mask(dc, 0); - /* Fetch register operand, */ - tcg_gen_addi_tl(cpu_R[R_ACR], cpu_R[dc->op2], imm); + LOG_DIS("addoq %d, $r%u\n", imm, dc->op2); + cris_cc_mask(dc, 0); + /* Fetch register operand, */ + tcg_gen_addi_tl(cpu_R[R_ACR], cpu_R[dc->op2], imm); - return 2; + return 2; } static int dec_addq(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("addq %u, $r%u\n", dc->op1, dc->op2); + LOG_DIS("addq %u, $r%u\n", dc->op1, dc->op2); - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); - cris_cc_mask(dc, CC_MASK_NZVC); + cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_ADD, - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); - return 2; + cris_alu(dc, CC_OP_ADD, + cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); + return 2; } static int dec_moveq(CPUCRISState *env, DisasContext *dc) { - uint32_t imm; + uint32_t imm; - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); - imm = sign_extend(dc->op1, 5); - LOG_DIS("moveq %d, $r%u\n", imm, dc->op2); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); + imm = sign_extend(dc->op1, 5); + LOG_DIS("moveq %d, $r%u\n", imm, dc->op2); - tcg_gen_movi_tl(cpu_R[dc->op2], imm); - return 2; + tcg_gen_movi_tl(cpu_R[dc->op2], imm); + return 2; } static int dec_subq(CPUCRISState *env, DisasContext *dc) { - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); - LOG_DIS("subq %u, $r%u\n", dc->op1, dc->op2); + LOG_DIS("subq %u, $r%u\n", dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_SUB, - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); - return 2; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_SUB, + cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4); + return 2; } static int dec_cmpq(CPUCRISState *env, DisasContext *dc) { - uint32_t imm; - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); - imm = sign_extend(dc->op1, 5); + uint32_t imm; + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); + imm = sign_extend(dc->op1, 5); - LOG_DIS("cmpq %d, $r%d\n", imm, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); + LOG_DIS("cmpq %d, $r%d\n", imm, dc->op2); + cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_CMP, - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); - return 2; + cris_alu(dc, CC_OP_CMP, + cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); + return 2; } static int dec_andq(CPUCRISState *env, DisasContext *dc) { - uint32_t imm; - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); - imm = sign_extend(dc->op1, 5); + uint32_t imm; + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); + imm = sign_extend(dc->op1, 5); - LOG_DIS("andq %d, $r%d\n", imm, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); + LOG_DIS("andq %d, $r%d\n", imm, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_AND, - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); - return 2; + cris_alu(dc, CC_OP_AND, + cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); + return 2; } static int dec_orq(CPUCRISState *env, DisasContext *dc) { - uint32_t imm; - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); - imm = sign_extend(dc->op1, 5); - LOG_DIS("orq %d, $r%d\n", imm, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); + uint32_t imm; + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 5); + imm = sign_extend(dc->op1, 5); + LOG_DIS("orq %d, $r%d\n", imm, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_OR, - cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); - return 2; + cris_alu(dc, CC_OP_OR, + cpu_R[dc->op2], cpu_R[dc->op2], tcg_const_tl(imm), 4); + return 2; } static int dec_btstq(CPUCRISState *env, DisasContext *dc) { - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); - LOG_DIS("btstq %u, $r%d\n", dc->op1, dc->op2); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); + LOG_DIS("btstq %u, $r%d\n", dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - cris_evaluate_flags(dc); + cris_cc_mask(dc, CC_MASK_NZ); + cris_evaluate_flags(dc); gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2], - tcg_const_tl(dc->op1), cpu_PR[PR_CCS]); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4); - cris_update_cc_op(dc, CC_OP_FLAGS, 4); - dc->flags_uptodate = 1; - return 2; + tcg_const_tl(dc->op1), cpu_PR[PR_CCS]); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4); + cris_update_cc_op(dc, CC_OP_FLAGS, 4); + dc->flags_uptodate = 1; + return 2; } static int dec_asrq(CPUCRISState *env, DisasContext *dc) { - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); - LOG_DIS("asrq %u, $r%d\n", dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); + LOG_DIS("asrq %u, $r%d\n", dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); - tcg_gen_sari_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], - cpu_R[dc->op2], cpu_R[dc->op2], 4); - return 2; + tcg_gen_sari_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], + cpu_R[dc->op2], cpu_R[dc->op2], 4); + return 2; } static int dec_lslq(CPUCRISState *env, DisasContext *dc) { - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); - LOG_DIS("lslq %u, $r%d\n", dc->op1, dc->op2); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); + LOG_DIS("lslq %u, $r%d\n", dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); + cris_cc_mask(dc, CC_MASK_NZ); - tcg_gen_shli_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); + tcg_gen_shli_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], - cpu_R[dc->op2], cpu_R[dc->op2], 4); - return 2; + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], + cpu_R[dc->op2], cpu_R[dc->op2], 4); + return 2; } static int dec_lsrq(CPUCRISState *env, DisasContext *dc) { - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); - LOG_DIS("lsrq %u, $r%d\n", dc->op1, dc->op2); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4); + LOG_DIS("lsrq %u, $r%d\n", dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); + cris_cc_mask(dc, CC_MASK_NZ); - tcg_gen_shri_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], - cpu_R[dc->op2], cpu_R[dc->op2], 4); - return 2; + tcg_gen_shri_tl(cpu_R[dc->op2], cpu_R[dc->op2], dc->op1); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], + cpu_R[dc->op2], cpu_R[dc->op2], 4); + return 2; } static int dec_move_r(CPUCRISState *env, DisasContext *dc) { - int size = memsize_zz(dc); - - LOG_DIS("move.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - - cris_cc_mask(dc, CC_MASK_NZ); - if (size == 4) { - dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_R[dc->op2]); - cris_cc_mask(dc, CC_MASK_NZ); - cris_update_cc_op(dc, CC_OP_MOVE, 4); - cris_update_cc_x(dc); - cris_update_result(dc, cpu_R[dc->op2]); - } - else { - TCGv t0; - - t0 = tcg_temp_new(); - dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, t0); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], - cpu_R[dc->op2], t0, size); - tcg_temp_free(t0); - } - return 2; + int size = memsize_zz(dc); + + LOG_DIS("move.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + + cris_cc_mask(dc, CC_MASK_NZ); + if (size == 4) { + dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_R[dc->op2]); + cris_cc_mask(dc, CC_MASK_NZ); + cris_update_cc_op(dc, CC_OP_MOVE, 4); + cris_update_cc_x(dc); + cris_update_result(dc, cpu_R[dc->op2]); + } else { + TCGv t0; + + t0 = tcg_temp_new(); + dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, t0); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], + cpu_R[dc->op2], t0, size); + tcg_temp_free(t0); + } + return 2; } static int dec_scc_r(CPUCRISState *env, DisasContext *dc) { - int cond = dc->op2; + int cond = dc->op2; - LOG_DIS("s%s $r%u\n", - cc_name(cond), dc->op1); + LOG_DIS("s%s $r%u\n", + cc_name(cond), dc->op1); - if (cond != CC_A) - { - int l1; + if (cond != CC_A) { + int l1; - gen_tst_cc (dc, cpu_R[dc->op1], cond); - l1 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_R[dc->op1], 0, l1); - tcg_gen_movi_tl(cpu_R[dc->op1], 1); - gen_set_label(l1); - } - else - tcg_gen_movi_tl(cpu_R[dc->op1], 1); + gen_tst_cc(dc, cpu_R[dc->op1], cond); + l1 = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_R[dc->op1], 0, l1); + tcg_gen_movi_tl(cpu_R[dc->op1], 1); + gen_set_label(l1); + } else { + tcg_gen_movi_tl(cpu_R[dc->op1], 1); + } - cris_cc_mask(dc, 0); - return 2; + cris_cc_mask(dc, 0); + return 2; } static inline void cris_alu_alloc_temps(DisasContext *dc, int size, TCGv *t) { - if (size == 4) { - t[0] = cpu_R[dc->op2]; - t[1] = cpu_R[dc->op1]; - } else { - t[0] = tcg_temp_new(); - t[1] = tcg_temp_new(); - } + if (size == 4) { + t[0] = cpu_R[dc->op2]; + t[1] = cpu_R[dc->op1]; + } else { + t[0] = tcg_temp_new(); + t[1] = tcg_temp_new(); + } } static inline void cris_alu_free_temps(DisasContext *dc, int size, TCGv *t) { - if (size != 4) { - tcg_temp_free(t[0]); - tcg_temp_free(t[1]); - } + if (size != 4) { + tcg_temp_free(t[0]); + tcg_temp_free(t[1]); + } } static int dec_and_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); + TCGv t[2]; + int size = memsize_zz(dc); - LOG_DIS("and.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); + LOG_DIS("and.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); + cris_cc_mask(dc, CC_MASK_NZ); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_AND, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + cris_alu(dc, CC_OP_AND, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_lz_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - LOG_DIS("lz $r%u, $r%u\n", - dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - t0 = tcg_temp_new(); - dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0, cpu_R[dc->op2], t0); - cris_alu(dc, CC_OP_LZ, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); - tcg_temp_free(t0); - return 2; + TCGv t0; + LOG_DIS("lz $r%u, $r%u\n", + dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); + t0 = tcg_temp_new(); + dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0, cpu_R[dc->op2], t0); + cris_alu(dc, CC_OP_LZ, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); + tcg_temp_free(t0); + return 2; } static int dec_lsl_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); + TCGv t[2]; + int size = memsize_zz(dc); - LOG_DIS("lsl.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); + LOG_DIS("lsl.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - tcg_gen_andi_tl(t[1], t[1], 63); - cris_alu(dc, CC_OP_LSL, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_alloc_temps(dc, size, t); - return 2; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + tcg_gen_andi_tl(t[1], t[1], 63); + cris_alu(dc, CC_OP_LSL, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_alloc_temps(dc, size, t); + return 2; } static int dec_lsr_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); + TCGv t[2]; + int size = memsize_zz(dc); - LOG_DIS("lsr.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); + LOG_DIS("lsr.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - tcg_gen_andi_tl(t[1], t[1], 63); - cris_alu(dc, CC_OP_LSR, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + tcg_gen_andi_tl(t[1], t[1], 63); + cris_alu(dc, CC_OP_LSR, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_asr_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); + TCGv t[2]; + int size = memsize_zz(dc); - LOG_DIS("asr.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); + LOG_DIS("asr.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1, t[0], t[1]); - tcg_gen_andi_tl(t[1], t[1], 63); - cris_alu(dc, CC_OP_ASR, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1, t[0], t[1]); + tcg_gen_andi_tl(t[1], t[1], 63); + cris_alu(dc, CC_OP_ASR, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_muls_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); + TCGv t[2]; + int size = memsize_zz(dc); - LOG_DIS("muls.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZV); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1, t[0], t[1]); + LOG_DIS("muls.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZV); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1, t[0], t[1]); - cris_alu(dc, CC_OP_MULS, cpu_R[dc->op2], t[0], t[1], 4); - cris_alu_free_temps(dc, size, t); - return 2; + cris_alu(dc, CC_OP_MULS, cpu_R[dc->op2], t[0], t[1], 4); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_mulu_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); + TCGv t[2]; + int size = memsize_zz(dc); - LOG_DIS("mulu.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZV); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + LOG_DIS("mulu.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZV); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_MULU, cpu_R[dc->op2], t[0], t[1], 4); - cris_alu_alloc_temps(dc, size, t); - return 2; + cris_alu(dc, CC_OP_MULU, cpu_R[dc->op2], t[0], t[1], 4); + cris_alu_alloc_temps(dc, size, t); + return 2; } static int dec_dstep_r(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("dstep $r%u, $r%u\n", dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_DSTEP, - cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op1], 4); - return 2; + LOG_DIS("dstep $r%u, $r%u\n", dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu(dc, CC_OP_DSTEP, + cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op1], 4); + return 2; } static int dec_xor_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); - LOG_DIS("xor.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - BUG_ON(size != 4); /* xor is dword. */ - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + TCGv t[2]; + int size = memsize_zz(dc); + LOG_DIS("xor.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + BUG_ON(size != 4); /* xor is dword. */ + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_XOR, cpu_R[dc->op2], t[0], t[1], 4); - cris_alu_free_temps(dc, size, t); - return 2; + cris_alu(dc, CC_OP_XOR, cpu_R[dc->op2], t[0], t[1], 4); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_bound_r(CPUCRISState *env, DisasContext *dc) { - TCGv l0; - int size = memsize_zz(dc); - LOG_DIS("bound.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - l0 = tcg_temp_local_new(); - dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, l0); - cris_alu(dc, CC_OP_BOUND, cpu_R[dc->op2], cpu_R[dc->op2], l0, 4); - tcg_temp_free(l0); - return 2; + TCGv l0; + int size = memsize_zz(dc); + LOG_DIS("bound.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); + l0 = tcg_temp_local_new(); + dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, l0); + cris_alu(dc, CC_OP_BOUND, cpu_R[dc->op2], cpu_R[dc->op2], l0, 4); + tcg_temp_free(l0); + return 2; } static int dec_cmp_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); - LOG_DIS("cmp.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + TCGv t[2]; + int size = memsize_zz(dc); + LOG_DIS("cmp.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_CMP, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + cris_alu(dc, CC_OP_CMP, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_abs_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; + TCGv t0; - LOG_DIS("abs $r%u, $r%u\n", - dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); + LOG_DIS("abs $r%u, $r%u\n", + dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); - t0 = tcg_temp_new(); - tcg_gen_sari_tl(t0, cpu_R[dc->op1], 31); - tcg_gen_xor_tl(cpu_R[dc->op2], cpu_R[dc->op1], t0); - tcg_gen_sub_tl(cpu_R[dc->op2], cpu_R[dc->op2], t0); - tcg_temp_free(t0); + t0 = tcg_temp_new(); + tcg_gen_sari_tl(t0, cpu_R[dc->op1], 31); + tcg_gen_xor_tl(cpu_R[dc->op2], cpu_R[dc->op1], t0); + tcg_gen_sub_tl(cpu_R[dc->op2], cpu_R[dc->op2], t0); + tcg_temp_free(t0); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4); - return 2; + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4); + return 2; } static int dec_add_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); - LOG_DIS("add.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + TCGv t[2]; + int size = memsize_zz(dc); + LOG_DIS("add.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_ADD, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + cris_alu(dc, CC_OP_ADD, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_addc_r(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("addc $r%u, $r%u\n", - dc->op1, dc->op2); - cris_evaluate_flags(dc); - /* Set for this insn. */ - dc->flagx_known = 1; - dc->flags_x = X_FLAG; + LOG_DIS("addc $r%u, $r%u\n", + dc->op1, dc->op2); + cris_evaluate_flags(dc); + /* Set for this insn. */ + dc->flagx_known = 1; + dc->flags_x = X_FLAG; - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_ADDC, - cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op1], 4); - return 2; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_ADDC, + cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op1], 4); + return 2; } static int dec_mcp_r(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("mcp $p%u, $r%u\n", - dc->op2, dc->op1); - cris_evaluate_flags(dc); - cris_cc_mask(dc, CC_MASK_RNZV); - cris_alu(dc, CC_OP_MCP, - cpu_R[dc->op1], cpu_R[dc->op1], cpu_PR[dc->op2], 4); - return 2; + LOG_DIS("mcp $p%u, $r%u\n", + dc->op2, dc->op1); + cris_evaluate_flags(dc); + cris_cc_mask(dc, CC_MASK_RNZV); + cris_alu(dc, CC_OP_MCP, + cpu_R[dc->op1], cpu_R[dc->op1], cpu_PR[dc->op2], 4); + return 2; } #if DISAS_CRIS static char * swapmode_name(int mode, char *modename) { - int i = 0; - if (mode & 8) - modename[i++] = 'n'; - if (mode & 4) - modename[i++] = 'w'; - if (mode & 2) - modename[i++] = 'b'; - if (mode & 1) - modename[i++] = 'r'; - modename[i++] = 0; - return modename; + int i = 0; + if (mode & 8) { + modename[i++] = 'n'; + } + if (mode & 4) { + modename[i++] = 'w'; + } + if (mode & 2) { + modename[i++] = 'b'; + } + if (mode & 1) { + modename[i++] = 'r'; + } + modename[i++] = 0; + return modename; } #endif static int dec_swap_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; + TCGv t0; #if DISAS_CRIS - char modename[4]; + char modename[4]; #endif - LOG_DIS("swap%s $r%u\n", - swapmode_name(dc->op2, modename), dc->op1); - - cris_cc_mask(dc, CC_MASK_NZ); - t0 = tcg_temp_new(); - t_gen_mov_TN_reg(t0, dc->op1); - if (dc->op2 & 8) - tcg_gen_not_tl(t0, t0); - if (dc->op2 & 4) - t_gen_swapw(t0, t0); - if (dc->op2 & 2) - t_gen_swapb(t0, t0); - if (dc->op2 & 1) - t_gen_swapr(t0, t0); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op1], cpu_R[dc->op1], t0, 4); - tcg_temp_free(t0); - return 2; + LOG_DIS("swap%s $r%u\n", + swapmode_name(dc->op2, modename), dc->op1); + + cris_cc_mask(dc, CC_MASK_NZ); + t0 = tcg_temp_new(); + t_gen_mov_TN_reg(t0, dc->op1); + if (dc->op2 & 8) { + tcg_gen_not_tl(t0, t0); + } + if (dc->op2 & 4) { + t_gen_swapw(t0, t0); + } + if (dc->op2 & 2) { + t_gen_swapb(t0, t0); + } + if (dc->op2 & 1) { + t_gen_swapr(t0, t0); + } + cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op1], cpu_R[dc->op1], t0, 4); + tcg_temp_free(t0); + return 2; } static int dec_or_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); - LOG_DIS("or.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_OR, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + TCGv t[2]; + int size = memsize_zz(dc); + LOG_DIS("or.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + cris_alu(dc, CC_OP_OR, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_addi_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - LOG_DIS("addi.%c $r%u, $r%u\n", - memsize_char(memsize_zz(dc)), dc->op2, dc->op1); - cris_cc_mask(dc, 0); - t0 = tcg_temp_new(); - tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize)); - tcg_gen_add_tl(cpu_R[dc->op1], cpu_R[dc->op1], t0); - tcg_temp_free(t0); - return 2; + TCGv t0; + LOG_DIS("addi.%c $r%u, $r%u\n", + memsize_char(memsize_zz(dc)), dc->op2, dc->op1); + cris_cc_mask(dc, 0); + t0 = tcg_temp_new(); + tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize)); + tcg_gen_add_tl(cpu_R[dc->op1], cpu_R[dc->op1], t0); + tcg_temp_free(t0); + return 2; } static int dec_addi_acr(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - LOG_DIS("addi.%c $r%u, $r%u, $acr\n", - memsize_char(memsize_zz(dc)), dc->op2, dc->op1); - cris_cc_mask(dc, 0); - t0 = tcg_temp_new(); - tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize)); - tcg_gen_add_tl(cpu_R[R_ACR], cpu_R[dc->op1], t0); - tcg_temp_free(t0); - return 2; + TCGv t0; + LOG_DIS("addi.%c $r%u, $r%u, $acr\n", + memsize_char(memsize_zz(dc)), dc->op2, dc->op1); + cris_cc_mask(dc, 0); + t0 = tcg_temp_new(); + tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize)); + tcg_gen_add_tl(cpu_R[R_ACR], cpu_R[dc->op1], t0); + tcg_temp_free(t0); + return 2; } static int dec_neg_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); - LOG_DIS("neg.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + TCGv t[2]; + int size = memsize_zz(dc); + LOG_DIS("neg.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_NEG, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + cris_alu(dc, CC_OP_NEG, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } static int dec_btst_r(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("btst $r%u, $r%u\n", - dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - cris_evaluate_flags(dc); + LOG_DIS("btst $r%u, $r%u\n", + dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZ); + cris_evaluate_flags(dc); gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2], - cpu_R[dc->op1], cpu_PR[PR_CCS]); - cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], - cpu_R[dc->op2], cpu_R[dc->op2], 4); - cris_update_cc_op(dc, CC_OP_FLAGS, 4); - dc->flags_uptodate = 1; - return 2; + cpu_R[dc->op1], cpu_PR[PR_CCS]); + cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], + cpu_R[dc->op2], cpu_R[dc->op2], 4); + cris_update_cc_op(dc, CC_OP_FLAGS, 4); + dc->flags_uptodate = 1; + return 2; } static int dec_sub_r(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int size = memsize_zz(dc); - LOG_DIS("sub.%c $r%u, $r%u\n", - memsize_char(size), dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu_alloc_temps(dc, size, t); - dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); - cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], t[0], t[1], size); - cris_alu_free_temps(dc, size, t); - return 2; + TCGv t[2]; + int size = memsize_zz(dc); + LOG_DIS("sub.%c $r%u, $r%u\n", + memsize_char(size), dc->op1, dc->op2); + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu_alloc_temps(dc, size, t); + dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]); + cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], t[0], t[1], size); + cris_alu_free_temps(dc, size, t); + return 2; } /* Zero extension. From size to dword. */ static int dec_movu_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - int size = memsize_z(dc); - LOG_DIS("movu.%c $r%u, $r%u\n", - memsize_char(size), - dc->op1, dc->op2); + TCGv t0; + int size = memsize_z(dc); + LOG_DIS("movu.%c $r%u, $r%u\n", + memsize_char(size), + dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - t0 = tcg_temp_new(); - dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, t0); - cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); - tcg_temp_free(t0); - return 2; + cris_cc_mask(dc, CC_MASK_NZ); + t0 = tcg_temp_new(); + dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, t0); + cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); + tcg_temp_free(t0); + return 2; } /* Sign extension. From size to dword. */ static int dec_movs_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - int size = memsize_z(dc); - LOG_DIS("movs.%c $r%u, $r%u\n", - memsize_char(size), - dc->op1, dc->op2); + TCGv t0; + int size = memsize_z(dc); + LOG_DIS("movs.%c $r%u, $r%u\n", + memsize_char(size), + dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZ); - t0 = tcg_temp_new(); - /* Size can only be qi or hi. */ - t_gen_sext(t0, cpu_R[dc->op1], size); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], cpu_R[dc->op1], t0, 4); - tcg_temp_free(t0); - return 2; + cris_cc_mask(dc, CC_MASK_NZ); + t0 = tcg_temp_new(); + /* Size can only be qi or hi. */ + t_gen_sext(t0, cpu_R[dc->op1], size); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], cpu_R[dc->op1], t0, 4); + tcg_temp_free(t0); + return 2; } /* zero extension. From size to dword. */ static int dec_addu_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - int size = memsize_z(dc); - LOG_DIS("addu.%c $r%u, $r%u\n", - memsize_char(size), - dc->op1, dc->op2); + TCGv t0; + int size = memsize_z(dc); + LOG_DIS("addu.%c $r%u, $r%u\n", + memsize_char(size), + dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - t0 = tcg_temp_new(); - /* Size can only be qi or hi. */ - t_gen_zext(t0, cpu_R[dc->op1], size); - cris_alu(dc, CC_OP_ADD, - cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); - tcg_temp_free(t0); - return 2; + cris_cc_mask(dc, CC_MASK_NZVC); + t0 = tcg_temp_new(); + /* Size can only be qi or hi. */ + t_gen_zext(t0, cpu_R[dc->op1], size); + cris_alu(dc, CC_OP_ADD, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); + tcg_temp_free(t0); + return 2; } /* Sign extension. From size to dword. */ static int dec_adds_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - int size = memsize_z(dc); - LOG_DIS("adds.%c $r%u, $r%u\n", - memsize_char(size), - dc->op1, dc->op2); + TCGv t0; + int size = memsize_z(dc); + LOG_DIS("adds.%c $r%u, $r%u\n", + memsize_char(size), + dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - t0 = tcg_temp_new(); - /* Size can only be qi or hi. */ - t_gen_sext(t0, cpu_R[dc->op1], size); - cris_alu(dc, CC_OP_ADD, - cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); - tcg_temp_free(t0); - return 2; + cris_cc_mask(dc, CC_MASK_NZVC); + t0 = tcg_temp_new(); + /* Size can only be qi or hi. */ + t_gen_sext(t0, cpu_R[dc->op1], size); + cris_alu(dc, CC_OP_ADD, + cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); + tcg_temp_free(t0); + return 2; } /* Zero extension. From size to dword. */ static int dec_subu_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - int size = memsize_z(dc); - LOG_DIS("subu.%c $r%u, $r%u\n", - memsize_char(size), - dc->op1, dc->op2); + TCGv t0; + int size = memsize_z(dc); + LOG_DIS("subu.%c $r%u, $r%u\n", + memsize_char(size), + dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - t0 = tcg_temp_new(); - /* Size can only be qi or hi. */ - t_gen_zext(t0, cpu_R[dc->op1], size); - cris_alu(dc, CC_OP_SUB, - cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); - tcg_temp_free(t0); - return 2; + cris_cc_mask(dc, CC_MASK_NZVC); + t0 = tcg_temp_new(); + /* Size can only be qi or hi. */ + t_gen_zext(t0, cpu_R[dc->op1], size); + cris_alu(dc, CC_OP_SUB, + cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); + tcg_temp_free(t0); + return 2; } /* Sign extension. From size to dword. */ static int dec_subs_r(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - int size = memsize_z(dc); - LOG_DIS("subs.%c $r%u, $r%u\n", - memsize_char(size), - dc->op1, dc->op2); + TCGv t0; + int size = memsize_z(dc); + LOG_DIS("subs.%c $r%u, $r%u\n", + memsize_char(size), + dc->op1, dc->op2); - cris_cc_mask(dc, CC_MASK_NZVC); - t0 = tcg_temp_new(); - /* Size can only be qi or hi. */ - t_gen_sext(t0, cpu_R[dc->op1], size); - cris_alu(dc, CC_OP_SUB, - cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); - tcg_temp_free(t0); - return 2; + cris_cc_mask(dc, CC_MASK_NZVC); + t0 = tcg_temp_new(); + /* Size can only be qi or hi. */ + t_gen_sext(t0, cpu_R[dc->op1], size); + cris_alu(dc, CC_OP_SUB, + cpu_R[dc->op2], cpu_R[dc->op2], t0, 4); + tcg_temp_free(t0); + return 2; } static int dec_setclrf(CPUCRISState *env, DisasContext *dc) { - uint32_t flags; - int set = (~dc->opcode >> 2) & 1; - - - flags = (EXTRACT_FIELD(dc->ir, 12, 15) << 4) - | EXTRACT_FIELD(dc->ir, 0, 3); - if (set && flags == 0) { - LOG_DIS("nop\n"); - return 2; - } else if (!set && (flags & 0x20)) { - LOG_DIS("di\n"); - } - else { - LOG_DIS("%sf %x\n", - set ? "set" : "clr", - flags); - } - - /* User space is not allowed to touch these. Silently ignore. */ - if (dc->tb_flags & U_FLAG) { - flags &= ~(S_FLAG | I_FLAG | U_FLAG); - } - - if (flags & X_FLAG) { - dc->flagx_known = 1; - if (set) - dc->flags_x = X_FLAG; - else - dc->flags_x = 0; - } - - /* Break the TB if any of the SPI flag changes. */ - if (flags & (P_FLAG | S_FLAG)) { - tcg_gen_movi_tl(env_pc, dc->pc + 2); - dc->is_jmp = DISAS_UPDATE; - dc->cpustate_changed = 1; - } - - /* For the I flag, only act on posedge. */ - if ((flags & I_FLAG)) { - tcg_gen_movi_tl(env_pc, dc->pc + 2); - dc->is_jmp = DISAS_UPDATE; - dc->cpustate_changed = 1; - } - - - /* Simply decode the flags. */ - cris_evaluate_flags (dc); - cris_update_cc_op(dc, CC_OP_FLAGS, 4); - cris_update_cc_x(dc); - tcg_gen_movi_tl(cc_op, dc->cc_op); - - if (set) { - if (!(dc->tb_flags & U_FLAG) && (flags & U_FLAG)) { - /* Enter user mode. */ - t_gen_mov_env_TN(ksp, cpu_R[R_SP]); - tcg_gen_mov_tl(cpu_R[R_SP], cpu_PR[PR_USP]); - dc->cpustate_changed = 1; - } - tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], flags); - } - else - tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~flags); - - dc->flags_uptodate = 1; - dc->clear_x = 0; - return 2; + uint32_t flags; + int set = (~dc->opcode >> 2) & 1; + + + flags = (EXTRACT_FIELD(dc->ir, 12, 15) << 4) + | EXTRACT_FIELD(dc->ir, 0, 3); + if (set && flags == 0) { + LOG_DIS("nop\n"); + return 2; + } else if (!set && (flags & 0x20)) { + LOG_DIS("di\n"); + } else { + LOG_DIS("%sf %x\n", set ? "set" : "clr", flags); + } + + /* User space is not allowed to touch these. Silently ignore. */ + if (dc->tb_flags & U_FLAG) { + flags &= ~(S_FLAG | I_FLAG | U_FLAG); + } + + if (flags & X_FLAG) { + dc->flagx_known = 1; + if (set) { + dc->flags_x = X_FLAG; + } else { + dc->flags_x = 0; + } + } + + /* Break the TB if any of the SPI flag changes. */ + if (flags & (P_FLAG | S_FLAG)) { + tcg_gen_movi_tl(env_pc, dc->pc + 2); + dc->is_jmp = DISAS_UPDATE; + dc->cpustate_changed = 1; + } + + /* For the I flag, only act on posedge. */ + if ((flags & I_FLAG)) { + tcg_gen_movi_tl(env_pc, dc->pc + 2); + dc->is_jmp = DISAS_UPDATE; + dc->cpustate_changed = 1; + } + + + /* Simply decode the flags. */ + cris_evaluate_flags(dc); + cris_update_cc_op(dc, CC_OP_FLAGS, 4); + cris_update_cc_x(dc); + tcg_gen_movi_tl(cc_op, dc->cc_op); + + if (set) { + if (!(dc->tb_flags & U_FLAG) && (flags & U_FLAG)) { + /* Enter user mode. */ + t_gen_mov_env_TN(ksp, cpu_R[R_SP]); + tcg_gen_mov_tl(cpu_R[R_SP], cpu_PR[PR_USP]); + dc->cpustate_changed = 1; + } + tcg_gen_ori_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], flags); + } else { + tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~flags); + } + + dc->flags_uptodate = 1; + dc->clear_x = 0; + return 2; } static int dec_move_rs(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("move $r%u, $s%u\n", dc->op1, dc->op2); - cris_cc_mask(dc, 0); + LOG_DIS("move $r%u, $s%u\n", dc->op1, dc->op2); + cris_cc_mask(dc, 0); gen_helper_movl_sreg_reg(cpu_env, tcg_const_tl(dc->op2), tcg_const_tl(dc->op1)); - return 2; + return 2; } static int dec_move_sr(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("move $s%u, $r%u\n", dc->op2, dc->op1); - cris_cc_mask(dc, 0); + LOG_DIS("move $s%u, $r%u\n", dc->op2, dc->op1); + cris_cc_mask(dc, 0); gen_helper_movl_reg_sreg(cpu_env, tcg_const_tl(dc->op1), tcg_const_tl(dc->op2)); - return 2; + return 2; } static int dec_move_rp(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - LOG_DIS("move $r%u, $p%u\n", dc->op1, dc->op2); - cris_cc_mask(dc, 0); - - t[0] = tcg_temp_new(); - if (dc->op2 == PR_CCS) { - cris_evaluate_flags(dc); - t_gen_mov_TN_reg(t[0], dc->op1); - if (dc->tb_flags & U_FLAG) { - t[1] = tcg_temp_new(); - /* User space is not allowed to touch all flags. */ - tcg_gen_andi_tl(t[0], t[0], 0x39f); - tcg_gen_andi_tl(t[1], cpu_PR[PR_CCS], ~0x39f); - tcg_gen_or_tl(t[0], t[1], t[0]); - tcg_temp_free(t[1]); - } - } - else - t_gen_mov_TN_reg(t[0], dc->op1); - - t_gen_mov_preg_TN(dc, dc->op2, t[0]); - if (dc->op2 == PR_CCS) { - cris_update_cc_op(dc, CC_OP_FLAGS, 4); - dc->flags_uptodate = 1; - } - tcg_temp_free(t[0]); - return 2; + TCGv t[2]; + LOG_DIS("move $r%u, $p%u\n", dc->op1, dc->op2); + cris_cc_mask(dc, 0); + + t[0] = tcg_temp_new(); + if (dc->op2 == PR_CCS) { + cris_evaluate_flags(dc); + t_gen_mov_TN_reg(t[0], dc->op1); + if (dc->tb_flags & U_FLAG) { + t[1] = tcg_temp_new(); + /* User space is not allowed to touch all flags. */ + tcg_gen_andi_tl(t[0], t[0], 0x39f); + tcg_gen_andi_tl(t[1], cpu_PR[PR_CCS], ~0x39f); + tcg_gen_or_tl(t[0], t[1], t[0]); + tcg_temp_free(t[1]); + } + } else { + t_gen_mov_TN_reg(t[0], dc->op1); + } + + t_gen_mov_preg_TN(dc, dc->op2, t[0]); + if (dc->op2 == PR_CCS) { + cris_update_cc_op(dc, CC_OP_FLAGS, 4); + dc->flags_uptodate = 1; + } + tcg_temp_free(t[0]); + return 2; } static int dec_move_pr(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - LOG_DIS("move $p%u, $r%u\n", dc->op2, dc->op1); - cris_cc_mask(dc, 0); + TCGv t0; + LOG_DIS("move $p%u, $r%u\n", dc->op2, dc->op1); + cris_cc_mask(dc, 0); - if (dc->op2 == PR_CCS) - cris_evaluate_flags(dc); + if (dc->op2 == PR_CCS) { + cris_evaluate_flags(dc); + } - if (dc->op2 == PR_DZ) { - tcg_gen_movi_tl(cpu_R[dc->op1], 0); - } else { - t0 = tcg_temp_new(); - t_gen_mov_TN_preg(t0, dc->op2); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op1], cpu_R[dc->op1], t0, - preg_sizes[dc->op2]); - tcg_temp_free(t0); - } - return 2; + if (dc->op2 == PR_DZ) { + tcg_gen_movi_tl(cpu_R[dc->op1], 0); + } else { + t0 = tcg_temp_new(); + t_gen_mov_TN_preg(t0, dc->op2); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op1], cpu_R[dc->op1], t0, + preg_sizes[dc->op2]); + tcg_temp_free(t0); + } + return 2; } static int dec_move_mr(CPUCRISState *env, DisasContext *dc) { - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("move.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); - - if (memsize == 4) { - insn_len = dec_prep_move_m(env, dc, 0, 4, cpu_R[dc->op2]); - cris_cc_mask(dc, CC_MASK_NZ); - cris_update_cc_op(dc, CC_OP_MOVE, 4); - cris_update_cc_x(dc); - cris_update_result(dc, cpu_R[dc->op2]); - } - else { - TCGv t0; - - t0 = tcg_temp_new(); - insn_len = dec_prep_move_m(env, dc, 0, memsize, t0); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], cpu_R[dc->op2], t0, memsize); - tcg_temp_free(t0); - } - do_postinc(dc, memsize); - return insn_len; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("move.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); + + if (memsize == 4) { + insn_len = dec_prep_move_m(env, dc, 0, 4, cpu_R[dc->op2]); + cris_cc_mask(dc, CC_MASK_NZ); + cris_update_cc_op(dc, CC_OP_MOVE, 4); + cris_update_cc_x(dc); + cris_update_result(dc, cpu_R[dc->op2]); + } else { + TCGv t0; + + t0 = tcg_temp_new(); + insn_len = dec_prep_move_m(env, dc, 0, memsize, t0); + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], cpu_R[dc->op2], t0, memsize); + tcg_temp_free(t0); + } + do_postinc(dc, memsize); + return insn_len; } static inline void cris_alu_m_alloc_temps(TCGv *t) { - t[0] = tcg_temp_new(); - t[1] = tcg_temp_new(); + t[0] = tcg_temp_new(); + t[1] = tcg_temp_new(); } static inline void cris_alu_m_free_temps(TCGv *t) { - tcg_temp_free(t[0]); - tcg_temp_free(t[1]); + tcg_temp_free(t[0]); + tcg_temp_free(t[1]); } static int dec_movs_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; - LOG_DIS("movs.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; + LOG_DIS("movs.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); - /* sign extend. */ + cris_alu_m_alloc_temps(t); + /* sign extend. */ insn_len = dec_prep_alu_m(env, dc, 1, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_MOVE, - cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu(dc, CC_OP_MOVE, + cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_addu_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; - LOG_DIS("addu.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; + LOG_DIS("addu.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); - /* sign extend. */ + cris_alu_m_alloc_temps(t); + /* sign extend. */ insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_ADD, - cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_ADD, + cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_adds_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; - LOG_DIS("adds.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; + LOG_DIS("adds.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); - /* sign extend. */ + cris_alu_m_alloc_temps(t); + /* sign extend. */ insn_len = dec_prep_alu_m(env, dc, 1, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_ADD, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_ADD, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_subu_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; - LOG_DIS("subu.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; + LOG_DIS("subu.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); - /* sign extend. */ + cris_alu_m_alloc_temps(t); + /* sign extend. */ insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_subs_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; - LOG_DIS("subs.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; + LOG_DIS("subs.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); - /* sign extend. */ + cris_alu_m_alloc_temps(t); + /* sign extend. */ insn_len = dec_prep_alu_m(env, dc, 1, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_movu_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; - LOG_DIS("movu.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + LOG_DIS("movu.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_cmpu_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; - LOG_DIS("cmpu.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; + LOG_DIS("cmpu.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_CMP, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_CMP, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_cmps_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_z(dc); - int insn_len; - LOG_DIS("cmps.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_z(dc); + int insn_len; + LOG_DIS("cmps.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 1, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_CMP, - cpu_R[dc->op2], cpu_R[dc->op2], t[1], - memsize_zz(dc)); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_CMP, + cpu_R[dc->op2], cpu_R[dc->op2], t[1], + memsize_zz(dc)); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_cmp_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("cmp.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("cmp.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_CMP, - cpu_R[dc->op2], cpu_R[dc->op2], t[1], - memsize_zz(dc)); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_CMP, + cpu_R[dc->op2], cpu_R[dc->op2], t[1], + memsize_zz(dc)); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_test_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("test.%c [$r%u%s] op2=%x\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("test.%c [$r%u%s] op2=%x\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_evaluate_flags(dc); + cris_evaluate_flags(dc); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZ); - tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3); + cris_cc_mask(dc, CC_MASK_NZ); + tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3); - cris_alu(dc, CC_OP_CMP, - cpu_R[dc->op2], t[1], tcg_const_tl(0), memsize_zz(dc)); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_alu(dc, CC_OP_CMP, + cpu_R[dc->op2], t[1], tcg_const_tl(0), memsize_zz(dc)); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_and_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("and.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("and.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_AND, cpu_R[dc->op2], t[0], t[1], memsize_zz(dc)); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu(dc, CC_OP_AND, cpu_R[dc->op2], t[0], t[1], memsize_zz(dc)); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_add_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("add.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("add.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_ADD, - cpu_R[dc->op2], t[0], t[1], memsize_zz(dc)); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_ADD, + cpu_R[dc->op2], t[0], t[1], memsize_zz(dc)); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_addo_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("add.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("add.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 1, memsize, t[0], t[1]); - cris_cc_mask(dc, 0); - cris_alu(dc, CC_OP_ADD, cpu_R[R_ACR], t[0], t[1], 4); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, 0); + cris_alu(dc, CC_OP_ADD, cpu_R[R_ACR], t[0], t[1], 4); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_bound_m(CPUCRISState *env, DisasContext *dc) { - TCGv l[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("bound.%c [$r%u%s, $r%u\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv l[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("bound.%c [$r%u%s, $r%u\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - l[0] = tcg_temp_local_new(); - l[1] = tcg_temp_local_new(); + l[0] = tcg_temp_local_new(); + l[1] = tcg_temp_local_new(); insn_len = dec_prep_alu_m(env, dc, 0, memsize, l[0], l[1]); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_BOUND, cpu_R[dc->op2], l[0], l[1], 4); - do_postinc(dc, memsize); - tcg_temp_free(l[0]); - tcg_temp_free(l[1]); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu(dc, CC_OP_BOUND, cpu_R[dc->op2], l[0], l[1], 4); + do_postinc(dc, memsize); + tcg_temp_free(l[0]); + tcg_temp_free(l[1]); + return insn_len; } static int dec_addc_mr(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int insn_len = 2; - LOG_DIS("addc [$r%u%s, $r%u\n", - dc->op1, dc->postinc ? "+]" : "]", - dc->op2); + TCGv t[2]; + int insn_len = 2; + LOG_DIS("addc [$r%u%s, $r%u\n", + dc->op1, dc->postinc ? "+]" : "]", + dc->op2); - cris_evaluate_flags(dc); + cris_evaluate_flags(dc); - /* Set for this insn. */ - dc->flagx_known = 1; - dc->flags_x = X_FLAG; + /* Set for this insn. */ + dc->flagx_known = 1; + dc->flags_x = X_FLAG; - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, 4, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_ADDC, cpu_R[dc->op2], t[0], t[1], 4); - do_postinc(dc, 4); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_ADDC, cpu_R[dc->op2], t[0], t[1], 4); + do_postinc(dc, 4); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_sub_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("sub.%c [$r%u%s, $r%u ir=%x zz=%x\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2, dc->ir, dc->zzsize); + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("sub.%c [$r%u%s, $r%u ir=%x zz=%x\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2, dc->ir, dc->zzsize); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZVC); - cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], t[0], t[1], memsize); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZVC); + cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], t[0], t[1], memsize); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_or_m(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len; - LOG_DIS("or.%c [$r%u%s, $r%u pc=%x\n", - memsize_char(memsize), - dc->op1, dc->postinc ? "+]" : "]", - dc->op2, dc->pc); + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len; + LOG_DIS("or.%c [$r%u%s, $r%u pc=%x\n", + memsize_char(memsize), + dc->op1, dc->postinc ? "+]" : "]", + dc->op2, dc->pc); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, CC_MASK_NZ); - cris_alu(dc, CC_OP_OR, - cpu_R[dc->op2], t[0], t[1], memsize_zz(dc)); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + cris_cc_mask(dc, CC_MASK_NZ); + cris_alu(dc, CC_OP_OR, + cpu_R[dc->op2], t[0], t[1], memsize_zz(dc)); + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_move_mp(CPUCRISState *env, DisasContext *dc) { - TCGv t[2]; - int memsize = memsize_zz(dc); - int insn_len = 2; + TCGv t[2]; + int memsize = memsize_zz(dc); + int insn_len = 2; - LOG_DIS("move.%c [$r%u%s, $p%u\n", - memsize_char(memsize), - dc->op1, - dc->postinc ? "+]" : "]", - dc->op2); + LOG_DIS("move.%c [$r%u%s, $p%u\n", + memsize_char(memsize), + dc->op1, + dc->postinc ? "+]" : "]", + dc->op2); - cris_alu_m_alloc_temps(t); + cris_alu_m_alloc_temps(t); insn_len = dec_prep_alu_m(env, dc, 0, memsize, t[0], t[1]); - cris_cc_mask(dc, 0); - if (dc->op2 == PR_CCS) { - cris_evaluate_flags(dc); - if (dc->tb_flags & U_FLAG) { - /* User space is not allowed to touch all flags. */ - tcg_gen_andi_tl(t[1], t[1], 0x39f); - tcg_gen_andi_tl(t[0], cpu_PR[PR_CCS], ~0x39f); - tcg_gen_or_tl(t[1], t[0], t[1]); - } - } + cris_cc_mask(dc, 0); + if (dc->op2 == PR_CCS) { + cris_evaluate_flags(dc); + if (dc->tb_flags & U_FLAG) { + /* User space is not allowed to touch all flags. */ + tcg_gen_andi_tl(t[1], t[1], 0x39f); + tcg_gen_andi_tl(t[0], cpu_PR[PR_CCS], ~0x39f); + tcg_gen_or_tl(t[1], t[0], t[1]); + } + } - t_gen_mov_preg_TN(dc, dc->op2, t[1]); + t_gen_mov_preg_TN(dc, dc->op2, t[1]); - do_postinc(dc, memsize); - cris_alu_m_free_temps(t); - return insn_len; + do_postinc(dc, memsize); + cris_alu_m_free_temps(t); + return insn_len; } static int dec_move_pm(CPUCRISState *env, DisasContext *dc) { - TCGv t0; - int memsize; + TCGv t0; + int memsize; - memsize = preg_sizes[dc->op2]; + memsize = preg_sizes[dc->op2]; - LOG_DIS("move.%c $p%u, [$r%u%s\n", - memsize_char(memsize), - dc->op2, dc->op1, dc->postinc ? "+]" : "]"); + LOG_DIS("move.%c $p%u, [$r%u%s\n", + memsize_char(memsize), + dc->op2, dc->op1, dc->postinc ? "+]" : "]"); - /* prepare store. Address in T0, value in T1. */ - if (dc->op2 == PR_CCS) - cris_evaluate_flags(dc); - t0 = tcg_temp_new(); - t_gen_mov_TN_preg(t0, dc->op2); - cris_flush_cc_state(dc); - gen_store(dc, cpu_R[dc->op1], t0, memsize); - tcg_temp_free(t0); - - cris_cc_mask(dc, 0); - if (dc->postinc) - tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], memsize); - return 2; + /* prepare store. Address in T0, value in T1. */ + if (dc->op2 == PR_CCS) { + cris_evaluate_flags(dc); + } + t0 = tcg_temp_new(); + t_gen_mov_TN_preg(t0, dc->op2); + cris_flush_cc_state(dc); + gen_store(dc, cpu_R[dc->op1], t0, memsize); + tcg_temp_free(t0); + + cris_cc_mask(dc, 0); + if (dc->postinc) { + tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], memsize); + } + return 2; } static int dec_movem_mr(CPUCRISState *env, DisasContext *dc) { - TCGv_i64 tmp[16]; - TCGv tmp32; - TCGv addr; - int i; - int nr = dc->op2 + 1; - - LOG_DIS("movem [$r%u%s, $r%u\n", dc->op1, - dc->postinc ? "+]" : "]", dc->op2); - - addr = tcg_temp_new(); - /* There are probably better ways of doing this. */ - cris_flush_cc_state(dc); - for (i = 0; i < (nr >> 1); i++) { - tmp[i] = tcg_temp_new_i64(); - tcg_gen_addi_tl(addr, cpu_R[dc->op1], i * 8); - gen_load64(dc, tmp[i], addr); - } - if (nr & 1) { - tmp32 = tcg_temp_new_i32(); - tcg_gen_addi_tl(addr, cpu_R[dc->op1], i * 8); - gen_load(dc, tmp32, addr, 4, 0); - } else - TCGV_UNUSED(tmp32); - tcg_temp_free(addr); - - for (i = 0; i < (nr >> 1); i++) { - tcg_gen_trunc_i64_i32(cpu_R[i * 2], tmp[i]); - tcg_gen_shri_i64(tmp[i], tmp[i], 32); - tcg_gen_trunc_i64_i32(cpu_R[i * 2 + 1], tmp[i]); - tcg_temp_free_i64(tmp[i]); - } - if (nr & 1) { - tcg_gen_mov_tl(cpu_R[dc->op2], tmp32); - tcg_temp_free(tmp32); - } - - /* writeback the updated pointer value. */ - if (dc->postinc) - tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], nr * 4); - - /* gen_load might want to evaluate the previous insns flags. */ - cris_cc_mask(dc, 0); - return 2; + TCGv_i64 tmp[16]; + TCGv tmp32; + TCGv addr; + int i; + int nr = dc->op2 + 1; + + LOG_DIS("movem [$r%u%s, $r%u\n", dc->op1, + dc->postinc ? "+]" : "]", dc->op2); + + addr = tcg_temp_new(); + /* There are probably better ways of doing this. */ + cris_flush_cc_state(dc); + for (i = 0; i < (nr >> 1); i++) { + tmp[i] = tcg_temp_new_i64(); + tcg_gen_addi_tl(addr, cpu_R[dc->op1], i * 8); + gen_load64(dc, tmp[i], addr); + } + if (nr & 1) { + tmp32 = tcg_temp_new_i32(); + tcg_gen_addi_tl(addr, cpu_R[dc->op1], i * 8); + gen_load(dc, tmp32, addr, 4, 0); + } else { + TCGV_UNUSED(tmp32); + } + tcg_temp_free(addr); + + for (i = 0; i < (nr >> 1); i++) { + tcg_gen_trunc_i64_i32(cpu_R[i * 2], tmp[i]); + tcg_gen_shri_i64(tmp[i], tmp[i], 32); + tcg_gen_trunc_i64_i32(cpu_R[i * 2 + 1], tmp[i]); + tcg_temp_free_i64(tmp[i]); + } + if (nr & 1) { + tcg_gen_mov_tl(cpu_R[dc->op2], tmp32); + tcg_temp_free(tmp32); + } + + /* writeback the updated pointer value. */ + if (dc->postinc) { + tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], nr * 4); + } + + /* gen_load might want to evaluate the previous insns flags. */ + cris_cc_mask(dc, 0); + return 2; } static int dec_movem_rm(CPUCRISState *env, DisasContext *dc) { - TCGv tmp; - TCGv addr; - int i; - - LOG_DIS("movem $r%u, [$r%u%s\n", dc->op2, dc->op1, - dc->postinc ? "+]" : "]"); - - cris_flush_cc_state(dc); - - tmp = tcg_temp_new(); - addr = tcg_temp_new(); - tcg_gen_movi_tl(tmp, 4); - tcg_gen_mov_tl(addr, cpu_R[dc->op1]); - for (i = 0; i <= dc->op2; i++) { - /* Displace addr. */ - /* Perform the store. */ - gen_store(dc, addr, cpu_R[i], 4); - tcg_gen_add_tl(addr, addr, tmp); - } - if (dc->postinc) - tcg_gen_mov_tl(cpu_R[dc->op1], addr); - cris_cc_mask(dc, 0); - tcg_temp_free(tmp); - tcg_temp_free(addr); - return 2; + TCGv tmp; + TCGv addr; + int i; + + LOG_DIS("movem $r%u, [$r%u%s\n", dc->op2, dc->op1, + dc->postinc ? "+]" : "]"); + + cris_flush_cc_state(dc); + + tmp = tcg_temp_new(); + addr = tcg_temp_new(); + tcg_gen_movi_tl(tmp, 4); + tcg_gen_mov_tl(addr, cpu_R[dc->op1]); + for (i = 0; i <= dc->op2; i++) { + /* Displace addr. */ + /* Perform the store. */ + gen_store(dc, addr, cpu_R[i], 4); + tcg_gen_add_tl(addr, addr, tmp); + } + if (dc->postinc) { + tcg_gen_mov_tl(cpu_R[dc->op1], addr); + } + cris_cc_mask(dc, 0); + tcg_temp_free(tmp); + tcg_temp_free(addr); + return 2; } static int dec_move_rm(CPUCRISState *env, DisasContext *dc) { - int memsize; + int memsize; - memsize = memsize_zz(dc); + memsize = memsize_zz(dc); - LOG_DIS("move.%c $r%u, [$r%u]\n", - memsize_char(memsize), dc->op2, dc->op1); + LOG_DIS("move.%c $r%u, [$r%u]\n", + memsize_char(memsize), dc->op2, dc->op1); - /* prepare store. */ - cris_flush_cc_state(dc); - gen_store(dc, cpu_R[dc->op1], cpu_R[dc->op2], memsize); + /* prepare store. */ + cris_flush_cc_state(dc); + gen_store(dc, cpu_R[dc->op1], cpu_R[dc->op2], memsize); - if (dc->postinc) - tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], memsize); - cris_cc_mask(dc, 0); - return 2; + if (dc->postinc) { + tcg_gen_addi_tl(cpu_R[dc->op1], cpu_R[dc->op1], memsize); + } + cris_cc_mask(dc, 0); + return 2; } static int dec_lapcq(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("lapcq %x, $r%u\n", - dc->pc + dc->op1*2, dc->op2); - cris_cc_mask(dc, 0); - tcg_gen_movi_tl(cpu_R[dc->op2], dc->pc + dc->op1 * 2); - return 2; + LOG_DIS("lapcq %x, $r%u\n", + dc->pc + dc->op1*2, dc->op2); + cris_cc_mask(dc, 0); + tcg_gen_movi_tl(cpu_R[dc->op2], dc->pc + dc->op1 * 2); + return 2; } static int dec_lapc_im(CPUCRISState *env, DisasContext *dc) { - unsigned int rd; - int32_t imm; - int32_t pc; + unsigned int rd; + int32_t imm; + int32_t pc; - rd = dc->op2; + rd = dc->op2; - cris_cc_mask(dc, 0); - imm = cris_fetch(env, dc, dc->pc + 2, 4, 0); - LOG_DIS("lapc 0x%x, $r%u\n", imm + dc->pc, dc->op2); + cris_cc_mask(dc, 0); + imm = cris_fetch(env, dc, dc->pc + 2, 4, 0); + LOG_DIS("lapc 0x%x, $r%u\n", imm + dc->pc, dc->op2); - pc = dc->pc; - pc += imm; - tcg_gen_movi_tl(cpu_R[rd], pc); - return 6; + pc = dc->pc; + pc += imm; + tcg_gen_movi_tl(cpu_R[rd], pc); + return 6; } /* Jump to special reg. */ static int dec_jump_p(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("jump $p%u\n", dc->op2); + LOG_DIS("jump $p%u\n", dc->op2); - if (dc->op2 == PR_CCS) - cris_evaluate_flags(dc); - t_gen_mov_TN_preg(env_btarget, dc->op2); - /* rete will often have low bit set to indicate delayslot. */ - tcg_gen_andi_tl(env_btarget, env_btarget, ~1); - cris_cc_mask(dc, 0); - cris_prepare_jmp(dc, JMP_INDIRECT); - return 2; + if (dc->op2 == PR_CCS) { + cris_evaluate_flags(dc); + } + t_gen_mov_TN_preg(env_btarget, dc->op2); + /* rete will often have low bit set to indicate delayslot. */ + tcg_gen_andi_tl(env_btarget, env_btarget, ~1); + cris_cc_mask(dc, 0); + cris_prepare_jmp(dc, JMP_INDIRECT); + return 2; } /* Jump and save. */ static int dec_jas_r(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("jas $r%u, $p%u\n", dc->op1, dc->op2); - cris_cc_mask(dc, 0); - /* Store the return address in Pd. */ - tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]); - if (dc->op2 > 15) - abort(); - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4)); + LOG_DIS("jas $r%u, $p%u\n", dc->op1, dc->op2); + cris_cc_mask(dc, 0); + /* Store the return address in Pd. */ + tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]); + if (dc->op2 > 15) { + abort(); + } + t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4)); - cris_prepare_jmp(dc, JMP_INDIRECT); - return 2; + cris_prepare_jmp(dc, JMP_INDIRECT); + return 2; } static int dec_jas_im(CPUCRISState *env, DisasContext *dc) { - uint32_t imm; + uint32_t imm; - imm = cris_fetch(env, dc, dc->pc + 2, 4, 0); + imm = cris_fetch(env, dc, dc->pc + 2, 4, 0); - LOG_DIS("jas 0x%x\n", imm); - cris_cc_mask(dc, 0); - /* Store the return address in Pd. */ - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8)); + LOG_DIS("jas 0x%x\n", imm); + cris_cc_mask(dc, 0); + /* Store the return address in Pd. */ + t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8)); - dc->jmp_pc = imm; - cris_prepare_jmp(dc, JMP_DIRECT); - return 6; + dc->jmp_pc = imm; + cris_prepare_jmp(dc, JMP_DIRECT); + return 6; } static int dec_jasc_im(CPUCRISState *env, DisasContext *dc) { - uint32_t imm; + uint32_t imm; - imm = cris_fetch(env, dc, dc->pc + 2, 4, 0); + imm = cris_fetch(env, dc, dc->pc + 2, 4, 0); - LOG_DIS("jasc 0x%x\n", imm); - cris_cc_mask(dc, 0); - /* Store the return address in Pd. */ - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8 + 4)); + LOG_DIS("jasc 0x%x\n", imm); + cris_cc_mask(dc, 0); + /* Store the return address in Pd. */ + t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8 + 4)); - dc->jmp_pc = imm; - cris_prepare_jmp(dc, JMP_DIRECT); - return 6; + dc->jmp_pc = imm; + cris_prepare_jmp(dc, JMP_DIRECT); + return 6; } static int dec_jasc_r(CPUCRISState *env, DisasContext *dc) { - LOG_DIS("jasc_r $r%u, $p%u\n", dc->op1, dc->op2); - cris_cc_mask(dc, 0); - /* Store the return address in Pd. */ - tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]); - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4 + 4)); - cris_prepare_jmp(dc, JMP_INDIRECT); - return 2; + LOG_DIS("jasc_r $r%u, $p%u\n", dc->op1, dc->op2); + cris_cc_mask(dc, 0); + /* Store the return address in Pd. */ + tcg_gen_mov_tl(env_btarget, cpu_R[dc->op1]); + t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 4 + 4)); + cris_prepare_jmp(dc, JMP_INDIRECT); + return 2; } static int dec_bcc_im(CPUCRISState *env, DisasContext *dc) { - int32_t offset; - uint32_t cond = dc->op2; + int32_t offset; + uint32_t cond = dc->op2; - offset = cris_fetch(env, dc, dc->pc + 2, 2, 1); + offset = cris_fetch(env, dc, dc->pc + 2, 2, 1); - LOG_DIS("b%s %d pc=%x dst=%x\n", - cc_name(cond), offset, - dc->pc, dc->pc + offset); + LOG_DIS("b%s %d pc=%x dst=%x\n", + cc_name(cond), offset, + dc->pc, dc->pc + offset); - cris_cc_mask(dc, 0); - /* op2 holds the condition-code. */ - cris_prepare_cc_branch (dc, offset, cond); - return 4; + cris_cc_mask(dc, 0); + /* op2 holds the condition-code. */ + cris_prepare_cc_branch(dc, offset, cond); + return 4; } static int dec_bas_im(CPUCRISState *env, DisasContext *dc) { - int32_t simm; + int32_t simm; + simm = cris_fetch(env, dc, dc->pc + 2, 4, 0); - simm = cris_fetch(env, dc, dc->pc + 2, 4, 0); + LOG_DIS("bas 0x%x, $p%u\n", dc->pc + simm, dc->op2); + cris_cc_mask(dc, 0); + /* Store the return address in Pd. */ + t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8)); - LOG_DIS("bas 0x%x, $p%u\n", dc->pc + simm, dc->op2); - cris_cc_mask(dc, 0); - /* Store the return address in Pd. */ - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 8)); - - dc->jmp_pc = dc->pc + simm; - cris_prepare_jmp(dc, JMP_DIRECT); - return 6; + dc->jmp_pc = dc->pc + simm; + cris_prepare_jmp(dc, JMP_DIRECT); + return 6; } static int dec_basc_im(CPUCRISState *env, DisasContext *dc) { - int32_t simm; - simm = cris_fetch(env, dc, dc->pc + 2, 4, 0); + int32_t simm; + simm = cris_fetch(env, dc, dc->pc + 2, 4, 0); - LOG_DIS("basc 0x%x, $p%u\n", dc->pc + simm, dc->op2); - cris_cc_mask(dc, 0); - /* Store the return address in Pd. */ - t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 12)); + LOG_DIS("basc 0x%x, $p%u\n", dc->pc + simm, dc->op2); + cris_cc_mask(dc, 0); + /* Store the return address in Pd. */ + t_gen_mov_preg_TN(dc, dc->op2, tcg_const_tl(dc->pc + 12)); - dc->jmp_pc = dc->pc + simm; - cris_prepare_jmp(dc, JMP_DIRECT); - return 6; + dc->jmp_pc = dc->pc + simm; + cris_prepare_jmp(dc, JMP_DIRECT); + return 6; } static int dec_rfe_etc(CPUCRISState *env, DisasContext *dc) { - cris_cc_mask(dc, 0); - - if (dc->op2 == 15) { - t_gen_mov_env_TN(halted, tcg_const_tl(1)); - tcg_gen_movi_tl(env_pc, dc->pc + 2); - t_gen_raise_exception(EXCP_HLT); - return 2; - } - - switch (dc->op2 & 7) { - case 2: - /* rfe. */ - LOG_DIS("rfe\n"); - cris_evaluate_flags(dc); - gen_helper_rfe(cpu_env); - dc->is_jmp = DISAS_UPDATE; - break; - case 5: - /* rfn. */ - LOG_DIS("rfn\n"); - cris_evaluate_flags(dc); - gen_helper_rfn(cpu_env); - dc->is_jmp = DISAS_UPDATE; - break; - case 6: - LOG_DIS("break %d\n", dc->op1); - cris_evaluate_flags (dc); - /* break. */ - tcg_gen_movi_tl(env_pc, dc->pc + 2); - - /* Breaks start at 16 in the exception vector. */ - t_gen_mov_env_TN(trap_vector, - tcg_const_tl(dc->op1 + 16)); - t_gen_raise_exception(EXCP_BREAK); - dc->is_jmp = DISAS_UPDATE; - break; - default: - printf ("op2=%x\n", dc->op2); - BUG(); - break; - - } - return 2; + cris_cc_mask(dc, 0); + + if (dc->op2 == 15) { + t_gen_mov_env_TN(halted, tcg_const_tl(1)); + tcg_gen_movi_tl(env_pc, dc->pc + 2); + t_gen_raise_exception(EXCP_HLT); + return 2; + } + + switch (dc->op2 & 7) { + case 2: + /* rfe. */ + LOG_DIS("rfe\n"); + cris_evaluate_flags(dc); + gen_helper_rfe(cpu_env); + dc->is_jmp = DISAS_UPDATE; + break; + case 5: + /* rfn. */ + LOG_DIS("rfn\n"); + cris_evaluate_flags(dc); + gen_helper_rfn(cpu_env); + dc->is_jmp = DISAS_UPDATE; + break; + case 6: + LOG_DIS("break %d\n", dc->op1); + cris_evaluate_flags(dc); + /* break. */ + tcg_gen_movi_tl(env_pc, dc->pc + 2); + + /* Breaks start at 16 in the exception vector. */ + t_gen_mov_env_TN(trap_vector, + tcg_const_tl(dc->op1 + 16)); + t_gen_raise_exception(EXCP_BREAK); + dc->is_jmp = DISAS_UPDATE; + break; + default: + printf("op2=%x\n", dc->op2); + BUG(); + break; + + } + return 2; } static int dec_ftag_fidx_d_m(CPUCRISState *env, DisasContext *dc) { - return 2; + return 2; } static int dec_ftag_fidx_i_m(CPUCRISState *env, DisasContext *dc) { - return 2; + return 2; } static int dec_null(CPUCRISState *env, DisasContext *dc) { - printf ("unknown insn pc=%x opc=%x op1=%x op2=%x\n", - dc->pc, dc->opcode, dc->op1, dc->op2); - fflush(NULL); - BUG(); - return 2; + printf("unknown insn pc=%x opc=%x op1=%x op2=%x\n", + dc->pc, dc->opcode, dc->op1, dc->op2); + fflush(NULL); + BUG(); + return 2; } static struct decoder_info { - struct { - uint32_t bits; - uint32_t mask; - }; - int (*dec)(CPUCRISState *env, DisasContext *dc); + struct { + uint32_t bits; + uint32_t mask; + }; + int (*dec)(CPUCRISState *env, DisasContext *dc); } decinfo[] = { - /* Order matters here. */ - {DEC_MOVEQ, dec_moveq}, - {DEC_BTSTQ, dec_btstq}, - {DEC_CMPQ, dec_cmpq}, - {DEC_ADDOQ, dec_addoq}, - {DEC_ADDQ, dec_addq}, - {DEC_SUBQ, dec_subq}, - {DEC_ANDQ, dec_andq}, - {DEC_ORQ, dec_orq}, - {DEC_ASRQ, dec_asrq}, - {DEC_LSLQ, dec_lslq}, - {DEC_LSRQ, dec_lsrq}, - {DEC_BCCQ, dec_bccq}, - - {DEC_BCC_IM, dec_bcc_im}, - {DEC_JAS_IM, dec_jas_im}, - {DEC_JAS_R, dec_jas_r}, - {DEC_JASC_IM, dec_jasc_im}, - {DEC_JASC_R, dec_jasc_r}, - {DEC_BAS_IM, dec_bas_im}, - {DEC_BASC_IM, dec_basc_im}, - {DEC_JUMP_P, dec_jump_p}, - {DEC_LAPC_IM, dec_lapc_im}, - {DEC_LAPCQ, dec_lapcq}, - - {DEC_RFE_ETC, dec_rfe_etc}, - {DEC_ADDC_MR, dec_addc_mr}, - - {DEC_MOVE_MP, dec_move_mp}, - {DEC_MOVE_PM, dec_move_pm}, - {DEC_MOVEM_MR, dec_movem_mr}, - {DEC_MOVEM_RM, dec_movem_rm}, - {DEC_MOVE_PR, dec_move_pr}, - {DEC_SCC_R, dec_scc_r}, - {DEC_SETF, dec_setclrf}, - {DEC_CLEARF, dec_setclrf}, - - {DEC_MOVE_SR, dec_move_sr}, - {DEC_MOVE_RP, dec_move_rp}, - {DEC_SWAP_R, dec_swap_r}, - {DEC_ABS_R, dec_abs_r}, - {DEC_LZ_R, dec_lz_r}, - {DEC_MOVE_RS, dec_move_rs}, - {DEC_BTST_R, dec_btst_r}, - {DEC_ADDC_R, dec_addc_r}, - - {DEC_DSTEP_R, dec_dstep_r}, - {DEC_XOR_R, dec_xor_r}, - {DEC_MCP_R, dec_mcp_r}, - {DEC_CMP_R, dec_cmp_r}, - - {DEC_ADDI_R, dec_addi_r}, - {DEC_ADDI_ACR, dec_addi_acr}, - - {DEC_ADD_R, dec_add_r}, - {DEC_SUB_R, dec_sub_r}, - - {DEC_ADDU_R, dec_addu_r}, - {DEC_ADDS_R, dec_adds_r}, - {DEC_SUBU_R, dec_subu_r}, - {DEC_SUBS_R, dec_subs_r}, - {DEC_LSL_R, dec_lsl_r}, - - {DEC_AND_R, dec_and_r}, - {DEC_OR_R, dec_or_r}, - {DEC_BOUND_R, dec_bound_r}, - {DEC_ASR_R, dec_asr_r}, - {DEC_LSR_R, dec_lsr_r}, - - {DEC_MOVU_R, dec_movu_r}, - {DEC_MOVS_R, dec_movs_r}, - {DEC_NEG_R, dec_neg_r}, - {DEC_MOVE_R, dec_move_r}, - - {DEC_FTAG_FIDX_I_M, dec_ftag_fidx_i_m}, - {DEC_FTAG_FIDX_D_M, dec_ftag_fidx_d_m}, - - {DEC_MULS_R, dec_muls_r}, - {DEC_MULU_R, dec_mulu_r}, - - {DEC_ADDU_M, dec_addu_m}, - {DEC_ADDS_M, dec_adds_m}, - {DEC_SUBU_M, dec_subu_m}, - {DEC_SUBS_M, dec_subs_m}, - - {DEC_CMPU_M, dec_cmpu_m}, - {DEC_CMPS_M, dec_cmps_m}, - {DEC_MOVU_M, dec_movu_m}, - {DEC_MOVS_M, dec_movs_m}, - - {DEC_CMP_M, dec_cmp_m}, - {DEC_ADDO_M, dec_addo_m}, - {DEC_BOUND_M, dec_bound_m}, - {DEC_ADD_M, dec_add_m}, - {DEC_SUB_M, dec_sub_m}, - {DEC_AND_M, dec_and_m}, - {DEC_OR_M, dec_or_m}, - {DEC_MOVE_RM, dec_move_rm}, - {DEC_TEST_M, dec_test_m}, - {DEC_MOVE_MR, dec_move_mr}, - - {{0, 0}, dec_null} + /* Order matters here. */ + {DEC_MOVEQ, dec_moveq}, + {DEC_BTSTQ, dec_btstq}, + {DEC_CMPQ, dec_cmpq}, + {DEC_ADDOQ, dec_addoq}, + {DEC_ADDQ, dec_addq}, + {DEC_SUBQ, dec_subq}, + {DEC_ANDQ, dec_andq}, + {DEC_ORQ, dec_orq}, + {DEC_ASRQ, dec_asrq}, + {DEC_LSLQ, dec_lslq}, + {DEC_LSRQ, dec_lsrq}, + {DEC_BCCQ, dec_bccq}, + + {DEC_BCC_IM, dec_bcc_im}, + {DEC_JAS_IM, dec_jas_im}, + {DEC_JAS_R, dec_jas_r}, + {DEC_JASC_IM, dec_jasc_im}, + {DEC_JASC_R, dec_jasc_r}, + {DEC_BAS_IM, dec_bas_im}, + {DEC_BASC_IM, dec_basc_im}, + {DEC_JUMP_P, dec_jump_p}, + {DEC_LAPC_IM, dec_lapc_im}, + {DEC_LAPCQ, dec_lapcq}, + + {DEC_RFE_ETC, dec_rfe_etc}, + {DEC_ADDC_MR, dec_addc_mr}, + + {DEC_MOVE_MP, dec_move_mp}, + {DEC_MOVE_PM, dec_move_pm}, + {DEC_MOVEM_MR, dec_movem_mr}, + {DEC_MOVEM_RM, dec_movem_rm}, + {DEC_MOVE_PR, dec_move_pr}, + {DEC_SCC_R, dec_scc_r}, + {DEC_SETF, dec_setclrf}, + {DEC_CLEARF, dec_setclrf}, + + {DEC_MOVE_SR, dec_move_sr}, + {DEC_MOVE_RP, dec_move_rp}, + {DEC_SWAP_R, dec_swap_r}, + {DEC_ABS_R, dec_abs_r}, + {DEC_LZ_R, dec_lz_r}, + {DEC_MOVE_RS, dec_move_rs}, + {DEC_BTST_R, dec_btst_r}, + {DEC_ADDC_R, dec_addc_r}, + + {DEC_DSTEP_R, dec_dstep_r}, + {DEC_XOR_R, dec_xor_r}, + {DEC_MCP_R, dec_mcp_r}, + {DEC_CMP_R, dec_cmp_r}, + + {DEC_ADDI_R, dec_addi_r}, + {DEC_ADDI_ACR, dec_addi_acr}, + + {DEC_ADD_R, dec_add_r}, + {DEC_SUB_R, dec_sub_r}, + + {DEC_ADDU_R, dec_addu_r}, + {DEC_ADDS_R, dec_adds_r}, + {DEC_SUBU_R, dec_subu_r}, + {DEC_SUBS_R, dec_subs_r}, + {DEC_LSL_R, dec_lsl_r}, + + {DEC_AND_R, dec_and_r}, + {DEC_OR_R, dec_or_r}, + {DEC_BOUND_R, dec_bound_r}, + {DEC_ASR_R, dec_asr_r}, + {DEC_LSR_R, dec_lsr_r}, + + {DEC_MOVU_R, dec_movu_r}, + {DEC_MOVS_R, dec_movs_r}, + {DEC_NEG_R, dec_neg_r}, + {DEC_MOVE_R, dec_move_r}, + + {DEC_FTAG_FIDX_I_M, dec_ftag_fidx_i_m}, + {DEC_FTAG_FIDX_D_M, dec_ftag_fidx_d_m}, + + {DEC_MULS_R, dec_muls_r}, + {DEC_MULU_R, dec_mulu_r}, + + {DEC_ADDU_M, dec_addu_m}, + {DEC_ADDS_M, dec_adds_m}, + {DEC_SUBU_M, dec_subu_m}, + {DEC_SUBS_M, dec_subs_m}, + + {DEC_CMPU_M, dec_cmpu_m}, + {DEC_CMPS_M, dec_cmps_m}, + {DEC_MOVU_M, dec_movu_m}, + {DEC_MOVS_M, dec_movs_m}, + + {DEC_CMP_M, dec_cmp_m}, + {DEC_ADDO_M, dec_addo_m}, + {DEC_BOUND_M, dec_bound_m}, + {DEC_ADD_M, dec_add_m}, + {DEC_SUB_M, dec_sub_m}, + {DEC_AND_M, dec_and_m}, + {DEC_OR_M, dec_or_m}, + {DEC_MOVE_RM, dec_move_rm}, + {DEC_TEST_M, dec_test_m}, + {DEC_MOVE_MR, dec_move_mr}, + + {{0, 0}, dec_null} }; static unsigned int crisv32_decoder(CPUCRISState *env, DisasContext *dc) { - int insn_len = 2; - int i; + int insn_len = 2; + int i; - if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { - tcg_gen_debug_insn_start(dc->pc); + if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) { + tcg_gen_debug_insn_start(dc->pc); } - /* Load a halfword onto the instruction register. */ + /* Load a halfword onto the instruction register. */ dc->ir = cris_fetch(env, dc, dc->pc, 2, 0); - /* Now decode it. */ - dc->opcode = EXTRACT_FIELD(dc->ir, 4, 11); - dc->op1 = EXTRACT_FIELD(dc->ir, 0, 3); - dc->op2 = EXTRACT_FIELD(dc->ir, 12, 15); - dc->zsize = EXTRACT_FIELD(dc->ir, 4, 4); - dc->zzsize = EXTRACT_FIELD(dc->ir, 4, 5); - dc->postinc = EXTRACT_FIELD(dc->ir, 10, 10); - - /* Large switch for all insns. */ - for (i = 0; i < ARRAY_SIZE(decinfo); i++) { - if ((dc->opcode & decinfo[i].mask) == decinfo[i].bits) - { - insn_len = decinfo[i].dec(env, dc); - break; - } - } + /* Now decode it. */ + dc->opcode = EXTRACT_FIELD(dc->ir, 4, 11); + dc->op1 = EXTRACT_FIELD(dc->ir, 0, 3); + dc->op2 = EXTRACT_FIELD(dc->ir, 12, 15); + dc->zsize = EXTRACT_FIELD(dc->ir, 4, 4); + dc->zzsize = EXTRACT_FIELD(dc->ir, 4, 5); + dc->postinc = EXTRACT_FIELD(dc->ir, 10, 10); + + /* Large switch for all insns. */ + for (i = 0; i < ARRAY_SIZE(decinfo); i++) { + if ((dc->opcode & decinfo[i].mask) == decinfo[i].bits) { + insn_len = decinfo[i].dec(env, dc); + break; + } + } #if !defined(CONFIG_USER_ONLY) - /* Single-stepping ? */ - if (dc->tb_flags & S_FLAG) { - int l1; - - l1 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_NE, cpu_PR[PR_SPC], dc->pc, l1); - /* We treat SPC as a break with an odd trap vector. */ - cris_evaluate_flags (dc); - t_gen_mov_env_TN(trap_vector, tcg_const_tl(3)); - tcg_gen_movi_tl(env_pc, dc->pc + insn_len); - tcg_gen_movi_tl(cpu_PR[PR_SPC], dc->pc + insn_len); - t_gen_raise_exception(EXCP_BREAK); - gen_set_label(l1); - } + /* Single-stepping ? */ + if (dc->tb_flags & S_FLAG) { + int l1; + + l1 = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_PR[PR_SPC], dc->pc, l1); + /* We treat SPC as a break with an odd trap vector. */ + cris_evaluate_flags(dc); + t_gen_mov_env_TN(trap_vector, tcg_const_tl(3)); + tcg_gen_movi_tl(env_pc, dc->pc + insn_len); + tcg_gen_movi_tl(cpu_PR[PR_SPC], dc->pc + insn_len); + t_gen_raise_exception(EXCP_BREAK); + gen_set_label(l1); + } #endif - return insn_len; + return insn_len; } static void check_breakpoint(CPUCRISState *env, DisasContext *dc) { - CPUBreakpoint *bp; + CPUBreakpoint *bp; - if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { - QTAILQ_FOREACH(bp, &env->breakpoints, entry) { - if (bp->pc == dc->pc) { - cris_evaluate_flags (dc); - tcg_gen_movi_tl(env_pc, dc->pc); - t_gen_raise_exception(EXCP_DEBUG); - dc->is_jmp = DISAS_UPDATE; - } - } - } + if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { + QTAILQ_FOREACH(bp, &env->breakpoints, entry) { + if (bp->pc == dc->pc) { + cris_evaluate_flags(dc); + tcg_gen_movi_tl(env_pc, dc->pc); + t_gen_raise_exception(EXCP_DEBUG); + dc->is_jmp = DISAS_UPDATE; + } + } + } } #include "translate_v10.c" @@ -3174,250 +3204,256 @@ static void gen_intermediate_code_internal(CPUCRISState *env, TranslationBlock *tb, int search_pc) { - uint16_t *gen_opc_end; - uint32_t pc_start; - unsigned int insn_len; - int j, lj; - struct DisasContext ctx; - struct DisasContext *dc = &ctx; - uint32_t next_page_start; - target_ulong npc; - int num_insns; - int max_insns; - - qemu_log_try_set_file(stderr); - - if (env->pregs[PR_VR] == 32) { - dc->decoder = crisv32_decoder; - dc->clear_locked_irq = 0; - } else { - dc->decoder = crisv10_decoder; - dc->clear_locked_irq = 1; - } - - /* Odd PC indicates that branch is rexecuting due to exception in the - * delayslot, like in real hw. - */ - pc_start = tb->pc & ~1; - dc->env = env; - dc->tb = tb; - - gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; - - dc->is_jmp = DISAS_NEXT; - dc->ppc = pc_start; - dc->pc = pc_start; - dc->singlestep_enabled = env->singlestep_enabled; - dc->flags_uptodate = 1; - dc->flagx_known = 1; - dc->flags_x = tb->flags & X_FLAG; - dc->cc_x_uptodate = 0; - dc->cc_mask = 0; - dc->update_cc = 0; - dc->clear_prefix = 0; - - cris_update_cc_op(dc, CC_OP_FLAGS, 4); - dc->cc_size_uptodate = -1; - - /* Decode TB flags. */ - dc->tb_flags = tb->flags & (S_FLAG | P_FLAG | U_FLAG \ - | X_FLAG | PFIX_FLAG); - dc->delayed_branch = !!(tb->flags & 7); - if (dc->delayed_branch) - dc->jmp = JMP_INDIRECT; - else - dc->jmp = JMP_NOJMP; - - dc->cpustate_changed = 0; - - if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { - qemu_log( - "srch=%d pc=%x %x flg=%" PRIx64 " bt=%x ds=%u ccs=%x\n" - "pid=%x usp=%x\n" - "%x.%x.%x.%x\n" - "%x.%x.%x.%x\n" - "%x.%x.%x.%x\n" - "%x.%x.%x.%x\n", - search_pc, dc->pc, dc->ppc, - (uint64_t)tb->flags, - env->btarget, (unsigned)tb->flags & 7, - env->pregs[PR_CCS], - env->pregs[PR_PID], env->pregs[PR_USP], - env->regs[0], env->regs[1], env->regs[2], env->regs[3], - env->regs[4], env->regs[5], env->regs[6], env->regs[7], - env->regs[8], env->regs[9], - env->regs[10], env->regs[11], - env->regs[12], env->regs[13], - env->regs[14], env->regs[15]); - qemu_log("--------------\n"); - qemu_log("IN: %s\n", lookup_symbol(pc_start)); - } - - next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; - lj = -1; - num_insns = 0; - max_insns = tb->cflags & CF_COUNT_MASK; - if (max_insns == 0) - max_insns = CF_COUNT_MASK; - - gen_icount_start(); - do - { - check_breakpoint(env, dc); - - if (search_pc) { - j = gen_opc_ptr - gen_opc_buf; - if (lj < j) { - lj++; - while (lj < j) - gen_opc_instr_start[lj++] = 0; - } - if (dc->delayed_branch == 1) - gen_opc_pc[lj] = dc->ppc | 1; - else - gen_opc_pc[lj] = dc->pc; - gen_opc_instr_start[lj] = 1; - gen_opc_icount[lj] = num_insns; - } - - /* Pretty disas. */ - LOG_DIS("%8.8x:\t", dc->pc); - - if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) - gen_io_start(); - dc->clear_x = 1; - - insn_len = dc->decoder(env, dc); - dc->ppc = dc->pc; - dc->pc += insn_len; - if (dc->clear_x) - cris_clear_x_flag(dc); - - num_insns++; - /* Check for delayed branches here. If we do it before - actually generating any host code, the simulator will just - loop doing nothing for on this program location. */ - if (dc->delayed_branch) { - dc->delayed_branch--; - if (dc->delayed_branch == 0) - { - if (tb->flags & 7) - t_gen_mov_env_TN(dslot, - tcg_const_tl(0)); - if (dc->cpustate_changed || !dc->flagx_known - || (dc->flags_x != (tb->flags & X_FLAG))) { - cris_store_direct_jmp(dc); - } - - if (dc->clear_locked_irq) { - dc->clear_locked_irq = 0; - t_gen_mov_env_TN(locked_irq, - tcg_const_tl(0)); - } - - if (dc->jmp == JMP_DIRECT_CC) { - int l1; - - l1 = gen_new_label(); - cris_evaluate_flags(dc); - - /* Conditional jmp. */ - tcg_gen_brcondi_tl(TCG_COND_EQ, - env_btaken, 0, l1); - gen_goto_tb(dc, 1, dc->jmp_pc); - gen_set_label(l1); - gen_goto_tb(dc, 0, dc->pc); - dc->is_jmp = DISAS_TB_JUMP; - dc->jmp = JMP_NOJMP; - } else if (dc->jmp == JMP_DIRECT) { - cris_evaluate_flags(dc); - gen_goto_tb(dc, 0, dc->jmp_pc); - dc->is_jmp = DISAS_TB_JUMP; - dc->jmp = JMP_NOJMP; - } else { - t_gen_cc_jmp(env_btarget, - tcg_const_tl(dc->pc)); - dc->is_jmp = DISAS_JUMP; - } - break; - } - } - - /* If we are rexecuting a branch due to exceptions on - delay slots dont break. */ - if (!(tb->pc & 1) && env->singlestep_enabled) - break; - } while (!dc->is_jmp && !dc->cpustate_changed - && gen_opc_ptr < gen_opc_end - && !singlestep - && (dc->pc < next_page_start) - && num_insns < max_insns); - - if (dc->clear_locked_irq) - t_gen_mov_env_TN(locked_irq, tcg_const_tl(0)); - - npc = dc->pc; + uint16_t *gen_opc_end; + uint32_t pc_start; + unsigned int insn_len; + int j, lj; + struct DisasContext ctx; + struct DisasContext *dc = &ctx; + uint32_t next_page_start; + target_ulong npc; + int num_insns; + int max_insns; + + qemu_log_try_set_file(stderr); + + if (env->pregs[PR_VR] == 32) { + dc->decoder = crisv32_decoder; + dc->clear_locked_irq = 0; + } else { + dc->decoder = crisv10_decoder; + dc->clear_locked_irq = 1; + } + + /* Odd PC indicates that branch is rexecuting due to exception in the + * delayslot, like in real hw. + */ + pc_start = tb->pc & ~1; + dc->env = env; + dc->tb = tb; + + gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; + + dc->is_jmp = DISAS_NEXT; + dc->ppc = pc_start; + dc->pc = pc_start; + dc->singlestep_enabled = env->singlestep_enabled; + dc->flags_uptodate = 1; + dc->flagx_known = 1; + dc->flags_x = tb->flags & X_FLAG; + dc->cc_x_uptodate = 0; + dc->cc_mask = 0; + dc->update_cc = 0; + dc->clear_prefix = 0; + + cris_update_cc_op(dc, CC_OP_FLAGS, 4); + dc->cc_size_uptodate = -1; + + /* Decode TB flags. */ + dc->tb_flags = tb->flags & (S_FLAG | P_FLAG | U_FLAG \ + | X_FLAG | PFIX_FLAG); + dc->delayed_branch = !!(tb->flags & 7); + if (dc->delayed_branch) { + dc->jmp = JMP_INDIRECT; + } else { + dc->jmp = JMP_NOJMP; + } + + dc->cpustate_changed = 0; + + if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { + qemu_log( + "srch=%d pc=%x %x flg=%" PRIx64 " bt=%x ds=%u ccs=%x\n" + "pid=%x usp=%x\n" + "%x.%x.%x.%x\n" + "%x.%x.%x.%x\n" + "%x.%x.%x.%x\n" + "%x.%x.%x.%x\n", + search_pc, dc->pc, dc->ppc, + (uint64_t)tb->flags, + env->btarget, (unsigned)tb->flags & 7, + env->pregs[PR_CCS], + env->pregs[PR_PID], env->pregs[PR_USP], + env->regs[0], env->regs[1], env->regs[2], env->regs[3], + env->regs[4], env->regs[5], env->regs[6], env->regs[7], + env->regs[8], env->regs[9], + env->regs[10], env->regs[11], + env->regs[12], env->regs[13], + env->regs[14], env->regs[15]); + qemu_log("--------------\n"); + qemu_log("IN: %s\n", lookup_symbol(pc_start)); + } + + next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; + lj = -1; + num_insns = 0; + max_insns = tb->cflags & CF_COUNT_MASK; + if (max_insns == 0) { + max_insns = CF_COUNT_MASK; + } + + gen_icount_start(); + do { + check_breakpoint(env, dc); + + if (search_pc) { + j = gen_opc_ptr - gen_opc_buf; + if (lj < j) { + lj++; + while (lj < j) { + gen_opc_instr_start[lj++] = 0; + } + } + if (dc->delayed_branch == 1) { + gen_opc_pc[lj] = dc->ppc | 1; + } else { + gen_opc_pc[lj] = dc->pc; + } + gen_opc_instr_start[lj] = 1; + gen_opc_icount[lj] = num_insns; + } + + /* Pretty disas. */ + LOG_DIS("%8.8x:\t", dc->pc); + + if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) { + gen_io_start(); + } + dc->clear_x = 1; + + insn_len = dc->decoder(env, dc); + dc->ppc = dc->pc; + dc->pc += insn_len; + if (dc->clear_x) { + cris_clear_x_flag(dc); + } + + num_insns++; + /* Check for delayed branches here. If we do it before + actually generating any host code, the simulator will just + loop doing nothing for on this program location. */ + if (dc->delayed_branch) { + dc->delayed_branch--; + if (dc->delayed_branch == 0) { + if (tb->flags & 7) { + t_gen_mov_env_TN(dslot, tcg_const_tl(0)); + } + if (dc->cpustate_changed || !dc->flagx_known + || (dc->flags_x != (tb->flags & X_FLAG))) { + cris_store_direct_jmp(dc); + } + + if (dc->clear_locked_irq) { + dc->clear_locked_irq = 0; + t_gen_mov_env_TN(locked_irq, tcg_const_tl(0)); + } + + if (dc->jmp == JMP_DIRECT_CC) { + int l1; + + l1 = gen_new_label(); + cris_evaluate_flags(dc); + + /* Conditional jmp. */ + tcg_gen_brcondi_tl(TCG_COND_EQ, + env_btaken, 0, l1); + gen_goto_tb(dc, 1, dc->jmp_pc); + gen_set_label(l1); + gen_goto_tb(dc, 0, dc->pc); + dc->is_jmp = DISAS_TB_JUMP; + dc->jmp = JMP_NOJMP; + } else if (dc->jmp == JMP_DIRECT) { + cris_evaluate_flags(dc); + gen_goto_tb(dc, 0, dc->jmp_pc); + dc->is_jmp = DISAS_TB_JUMP; + dc->jmp = JMP_NOJMP; + } else { + t_gen_cc_jmp(env_btarget, tcg_const_tl(dc->pc)); + dc->is_jmp = DISAS_JUMP; + } + break; + } + } + + /* If we are rexecuting a branch due to exceptions on + delay slots dont break. */ + if (!(tb->pc & 1) && env->singlestep_enabled) { + break; + } + } while (!dc->is_jmp && !dc->cpustate_changed + && gen_opc_ptr < gen_opc_end + && !singlestep + && (dc->pc < next_page_start) + && num_insns < max_insns); + + if (dc->clear_locked_irq) { + t_gen_mov_env_TN(locked_irq, tcg_const_tl(0)); + } + + npc = dc->pc; if (tb->cflags & CF_LAST_IO) gen_io_end(); - /* Force an update if the per-tb cpu state has changed. */ - if (dc->is_jmp == DISAS_NEXT - && (dc->cpustate_changed || !dc->flagx_known - || (dc->flags_x != (tb->flags & X_FLAG)))) { - dc->is_jmp = DISAS_UPDATE; - tcg_gen_movi_tl(env_pc, npc); - } - /* Broken branch+delayslot sequence. */ - if (dc->delayed_branch == 1) { - /* Set env->dslot to the size of the branch insn. */ - t_gen_mov_env_TN(dslot, tcg_const_tl(dc->pc - dc->ppc)); - cris_store_direct_jmp(dc); - } - - cris_evaluate_flags (dc); - - if (unlikely(env->singlestep_enabled)) { - if (dc->is_jmp == DISAS_NEXT) - tcg_gen_movi_tl(env_pc, npc); - t_gen_raise_exception(EXCP_DEBUG); - } else { - switch(dc->is_jmp) { - case DISAS_NEXT: - gen_goto_tb(dc, 1, npc); - break; - default: - case DISAS_JUMP: - case DISAS_UPDATE: - /* indicate that the hash table must be used - to find the next TB */ - tcg_gen_exit_tb(0); - break; - case DISAS_SWI: - case DISAS_TB_JUMP: - /* nothing more to generate */ - break; - } - } - gen_icount_end(tb, num_insns); - *gen_opc_ptr = INDEX_op_end; - if (search_pc) { - j = gen_opc_ptr - gen_opc_buf; - lj++; - while (lj <= j) - gen_opc_instr_start[lj++] = 0; - } else { - tb->size = dc->pc - pc_start; - tb->icount = num_insns; - } + /* Force an update if the per-tb cpu state has changed. */ + if (dc->is_jmp == DISAS_NEXT + && (dc->cpustate_changed || !dc->flagx_known + || (dc->flags_x != (tb->flags & X_FLAG)))) { + dc->is_jmp = DISAS_UPDATE; + tcg_gen_movi_tl(env_pc, npc); + } + /* Broken branch+delayslot sequence. */ + if (dc->delayed_branch == 1) { + /* Set env->dslot to the size of the branch insn. */ + t_gen_mov_env_TN(dslot, tcg_const_tl(dc->pc - dc->ppc)); + cris_store_direct_jmp(dc); + } + + cris_evaluate_flags(dc); + + if (unlikely(env->singlestep_enabled)) { + if (dc->is_jmp == DISAS_NEXT) { + tcg_gen_movi_tl(env_pc, npc); + } + t_gen_raise_exception(EXCP_DEBUG); + } else { + switch (dc->is_jmp) { + case DISAS_NEXT: + gen_goto_tb(dc, 1, npc); + break; + default: + case DISAS_JUMP: + case DISAS_UPDATE: + /* indicate that the hash table must be used + to find the next TB */ + tcg_gen_exit_tb(0); + break; + case DISAS_SWI: + case DISAS_TB_JUMP: + /* nothing more to generate */ + break; + } + } + gen_icount_end(tb, num_insns); + *gen_opc_ptr = INDEX_op_end; + if (search_pc) { + j = gen_opc_ptr - gen_opc_buf; + lj++; + while (lj <= j) { + gen_opc_instr_start[lj++] = 0; + } + } else { + tb->size = dc->pc - pc_start; + tb->icount = num_insns; + } #ifdef DEBUG_DISAS #if !DISAS_CRIS - if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { - log_target_disas(env, pc_start, dc->pc - pc_start, + if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { + log_target_disas(env, pc_start, dc->pc - pc_start, dc->env->pregs[PR_VR]); - qemu_log("\nisize=%d osize=%td\n", - dc->pc - pc_start, gen_opc_ptr - gen_opc_buf); - } + qemu_log("\nisize=%d osize=%td\n", + dc->pc - pc_start, gen_opc_ptr - gen_opc_buf); + } #endif #endif } @@ -3435,41 +3471,45 @@ void gen_intermediate_code_pc (CPUCRISState *env, struct TranslationBlock *tb) void cpu_dump_state (CPUCRISState *env, FILE *f, fprintf_function cpu_fprintf, int flags) { - int i; - uint32_t srs; - - if (!env || !f) - return; - - cpu_fprintf(f, "PC=%x CCS=%x btaken=%d btarget=%x\n" - "cc_op=%d cc_src=%d cc_dest=%d cc_result=%x cc_mask=%x\n", - env->pc, env->pregs[PR_CCS], env->btaken, env->btarget, - env->cc_op, - env->cc_src, env->cc_dest, env->cc_result, env->cc_mask); - - - for (i = 0; i < 16; i++) { - cpu_fprintf(f, "%s=%8.8x ",regnames[i], env->regs[i]); - if ((i + 1) % 4 == 0) - cpu_fprintf(f, "\n"); - } - cpu_fprintf(f, "\nspecial regs:\n"); - for (i = 0; i < 16; i++) { - cpu_fprintf(f, "%s=%8.8x ", pregnames[i], env->pregs[i]); - if ((i + 1) % 4 == 0) - cpu_fprintf(f, "\n"); - } - srs = env->pregs[PR_SRS]; - cpu_fprintf(f, "\nsupport function regs bank %x:\n", srs); - if (srs < ARRAY_SIZE(env->sregs)) { - for (i = 0; i < 16; i++) { - cpu_fprintf(f, "s%2.2d=%8.8x ", - i, env->sregs[srs][i]); - if ((i + 1) % 4 == 0) - cpu_fprintf(f, "\n"); - } - } - cpu_fprintf(f, "\n\n"); + int i; + uint32_t srs; + + if (!env || !f) { + return; + } + + cpu_fprintf(f, "PC=%x CCS=%x btaken=%d btarget=%x\n" + "cc_op=%d cc_src=%d cc_dest=%d cc_result=%x cc_mask=%x\n", + env->pc, env->pregs[PR_CCS], env->btaken, env->btarget, + env->cc_op, + env->cc_src, env->cc_dest, env->cc_result, env->cc_mask); + + + for (i = 0; i < 16; i++) { + cpu_fprintf(f, "%s=%8.8x ", regnames[i], env->regs[i]); + if ((i + 1) % 4 == 0) { + cpu_fprintf(f, "\n"); + } + } + cpu_fprintf(f, "\nspecial regs:\n"); + for (i = 0; i < 16; i++) { + cpu_fprintf(f, "%s=%8.8x ", pregnames[i], env->pregs[i]); + if ((i + 1) % 4 == 0) { + cpu_fprintf(f, "\n"); + } + } + srs = env->pregs[PR_SRS]; + cpu_fprintf(f, "\nsupport function regs bank %x:\n", srs); + if (srs < ARRAY_SIZE(env->sregs)) { + for (i = 0; i < 16; i++) { + cpu_fprintf(f, "s%2.2d=%8.8x ", + i, env->sregs[srs][i]); + if ((i + 1) % 4 == 0) { + cpu_fprintf(f, "\n"); + } + } + } + cpu_fprintf(f, "\n\n"); } @@ -3478,11 +3518,11 @@ struct uint32_t vr; const char *name; } cris_cores[] = { - {8, "crisv8"}, - {9, "crisv9"}, - {10, "crisv10"}, - {11, "crisv11"}, - {32, "crisv32"}, + {8, "crisv8"}, + {9, "crisv9"}, + {10, "crisv10"}, + {11, "crisv11"}, + {32, "crisv32"}, }; void cris_cpu_list(FILE *f, fprintf_function cpu_fprintf) @@ -3581,5 +3621,5 @@ CRISCPU *cpu_cris_init(const char *cpu_model) void restore_state_to_opc(CPUCRISState *env, TranslationBlock *tb, int pc_pos) { - env->pc = gen_opc_pc[pc_pos]; + env->pc = gen_opc_pc[pc_pos]; } |