diff options
author | Laurent Vivier <laurent@vivier.eu> | 2018-01-04 02:29:09 +0100 |
---|---|---|
committer | Laurent Vivier <laurent@vivier.eu> | 2018-01-04 17:24:35 +0100 |
commit | 01490ea8f575656a9431fc0170a82bc6064fa2ef (patch) | |
tree | 672deb14163523b07b81ada1a19c3d41ad800b16 /target | |
parent | fff3b4b0e16c76669e56173acb9d3cc6aac85e85 (diff) | |
download | qemu-01490ea8f575656a9431fc0170a82bc6064fa2ef.zip qemu-01490ea8f575656a9431fc0170a82bc6064fa2ef.tar.gz qemu-01490ea8f575656a9431fc0170a82bc6064fa2ef.tar.bz2 |
target/m68k: move CCR/SR functions
The following patches will be clearer if we move
functions before adding new ones.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180104012913.30763-14-laurent@vivier.eu>
Diffstat (limited to 'target')
-rw-r--r-- | target/m68k/translate.c | 111 |
1 files changed, 55 insertions, 56 deletions
diff --git a/target/m68k/translate.c b/target/m68k/translate.c index b8ed85c..1f867a4 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -2131,6 +2131,61 @@ DISAS_INSN(bitop_im) } } +static TCGv gen_get_ccr(DisasContext *s) +{ + TCGv dest; + + update_cc_op(s); + dest = tcg_temp_new(); + gen_helper_get_ccr(dest, cpu_env); + return dest; +} + +static TCGv gen_get_sr(DisasContext *s) +{ + TCGv ccr; + TCGv sr; + + ccr = gen_get_ccr(s); + sr = tcg_temp_new(); + tcg_gen_andi_i32(sr, QREG_SR, 0xffe0); + tcg_gen_or_i32(sr, sr, ccr); + return sr; +} + +static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only) +{ + if (ccr_only) { + tcg_gen_movi_i32(QREG_CC_C, val & CCF_C ? 1 : 0); + tcg_gen_movi_i32(QREG_CC_V, val & CCF_V ? -1 : 0); + tcg_gen_movi_i32(QREG_CC_Z, val & CCF_Z ? 0 : 1); + tcg_gen_movi_i32(QREG_CC_N, val & CCF_N ? -1 : 0); + tcg_gen_movi_i32(QREG_CC_X, val & CCF_X ? 1 : 0); + } else { + gen_helper_set_sr(cpu_env, tcg_const_i32(val)); + } + set_cc_op(s, CC_OP_FLAGS); +} + +static void gen_set_sr(CPUM68KState *env, DisasContext *s, uint16_t insn, + int ccr_only) +{ + if ((insn & 0x38) == 0) { + if (ccr_only) { + gen_helper_set_ccr(cpu_env, DREG(insn, 0)); + } else { + gen_helper_set_sr(cpu_env, DREG(insn, 0)); + } + set_cc_op(s, CC_OP_FLAGS); + } else if ((insn & 0x3f) == 0x3c) { + uint16_t val; + val = read_im16(env, s); + gen_set_sr_im(s, val, ccr_only); + } else { + disas_undef(env, s, insn); + } +} + DISAS_INSN(arith_im) { int op; @@ -2474,16 +2529,6 @@ DISAS_INSN(clr) tcg_temp_free(zero); } -static TCGv gen_get_ccr(DisasContext *s) -{ - TCGv dest; - - update_cc_op(s); - dest = tcg_temp_new(); - gen_helper_get_ccr(dest, cpu_env); - return dest; -} - DISAS_INSN(move_from_ccr) { TCGv ccr; @@ -2510,40 +2555,6 @@ DISAS_INSN(neg) tcg_temp_free(dest); } -static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only) -{ - if (ccr_only) { - tcg_gen_movi_i32(QREG_CC_C, val & CCF_C ? 1 : 0); - tcg_gen_movi_i32(QREG_CC_V, val & CCF_V ? -1 : 0); - tcg_gen_movi_i32(QREG_CC_Z, val & CCF_Z ? 0 : 1); - tcg_gen_movi_i32(QREG_CC_N, val & CCF_N ? -1 : 0); - tcg_gen_movi_i32(QREG_CC_X, val & CCF_X ? 1 : 0); - } else { - gen_helper_set_sr(cpu_env, tcg_const_i32(val)); - } - set_cc_op(s, CC_OP_FLAGS); -} - -static void gen_set_sr(CPUM68KState *env, DisasContext *s, uint16_t insn, - int ccr_only) -{ - if ((insn & 0x38) == 0) { - if (ccr_only) { - gen_helper_set_ccr(cpu_env, DREG(insn, 0)); - } else { - gen_helper_set_sr(cpu_env, DREG(insn, 0)); - } - set_cc_op(s, CC_OP_FLAGS); - } else if ((insn & 0x3f) == 0x3c) { - uint16_t val; - val = read_im16(env, s); - gen_set_sr_im(s, val, ccr_only); - } else { - disas_undef(env, s, insn); - } -} - - DISAS_INSN(move_to_ccr) { gen_set_sr(env, s, insn, 1); @@ -4359,18 +4370,6 @@ DISAS_INSN(move16_mem) } } -static TCGv gen_get_sr(DisasContext *s) -{ - TCGv ccr; - TCGv sr; - - ccr = gen_get_ccr(s); - sr = tcg_temp_new(); - tcg_gen_andi_i32(sr, QREG_SR, 0xffe0); - tcg_gen_or_i32(sr, sr, ccr); - return sr; -} - DISAS_INSN(strldsr) { uint16_t ext; |