diff options
| -rw-r--r-- | target/openrisc/insns.decode | 6 | ||||
| -rw-r--r-- | target/openrisc/translate.c | 62 |
2 files changed, 32 insertions, 36 deletions
diff --git a/target/openrisc/insns.decode b/target/openrisc/insns.decode index 7240c6fb77..fb8ba5812a 100644 --- a/target/openrisc/insns.decode +++ b/target/openrisc/insns.decode @@ -20,6 +20,7 @@ &dab d a b &da d a &ab a b +&dal d a l #### # System Instructions @@ -130,3 +131,8 @@ l_mac 110001 ----- a:5 b:5 ------- 0001 l_macu 110001 ----- a:5 b:5 ------- 0011 l_msb 110001 ----- a:5 b:5 ------- 0010 l_msbu 110001 ----- a:5 b:5 ------- 0100 + +l_slli 101110 d:5 a:5 -------- 00 l:6 +l_srli 101110 d:5 a:5 -------- 01 l:6 +l_srai 101110 d:5 a:5 -------- 10 l:6 +l_rori 101110 d:5 a:5 -------- 11 l:6 diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c index 48e26c4349..b5ff7577bd 100644 --- a/target/openrisc/translate.c +++ b/target/openrisc/translate.c @@ -998,42 +998,36 @@ static bool trans_l_msbu(DisasContext *dc, arg_ab *a, uint32_t insn) return true; } -static void dec_logic(DisasContext *dc, uint32_t insn) +static bool trans_l_slli(DisasContext *dc, arg_dal *a, uint32_t insn) { - uint32_t op0; - uint32_t rd, ra, L6, S6; - op0 = extract32(insn, 6, 2); - rd = extract32(insn, 21, 5); - ra = extract32(insn, 16, 5); - L6 = extract32(insn, 0, 6); - S6 = L6 & (TARGET_LONG_BITS - 1); - - check_r0_write(rd); - switch (op0) { - case 0x00: /* l.slli */ - LOG_DIS("l.slli r%d, r%d, %d\n", rd, ra, L6); - tcg_gen_shli_tl(cpu_R[rd], cpu_R[ra], S6); - break; - - case 0x01: /* l.srli */ - LOG_DIS("l.srli r%d, r%d, %d\n", rd, ra, L6); - tcg_gen_shri_tl(cpu_R[rd], cpu_R[ra], S6); - break; + LOG_DIS("l.slli r%d, r%d, %d\n", a->d, a->a, a->l); + check_r0_write(a->d); + tcg_gen_shli_tl(cpu_R[a->d], cpu_R[a->a], a->l & (TARGET_LONG_BITS - 1)); + return true; +} - case 0x02: /* l.srai */ - LOG_DIS("l.srai r%d, r%d, %d\n", rd, ra, L6); - tcg_gen_sari_tl(cpu_R[rd], cpu_R[ra], S6); - break; +static bool trans_l_srli(DisasContext *dc, arg_dal *a, uint32_t insn) +{ + LOG_DIS("l.srli r%d, r%d, %d\n", a->d, a->a, a->l); + check_r0_write(a->d); + tcg_gen_shri_tl(cpu_R[a->d], cpu_R[a->a], a->l & (TARGET_LONG_BITS - 1)); + return true; +} - case 0x03: /* l.rori */ - LOG_DIS("l.rori r%d, r%d, %d\n", rd, ra, L6); - tcg_gen_rotri_tl(cpu_R[rd], cpu_R[ra], S6); - break; +static bool trans_l_srai(DisasContext *dc, arg_dal *a, uint32_t insn) +{ + LOG_DIS("l.srai r%d, r%d, %d\n", a->d, a->a, a->l); + check_r0_write(a->d); + tcg_gen_sari_tl(cpu_R[a->d], cpu_R[a->a], a->l & (TARGET_LONG_BITS - 1)); + return true; +} - default: - gen_illegal_exception(dc); - break; - } +static bool trans_l_rori(DisasContext *dc, arg_dal *a, uint32_t insn) +{ + LOG_DIS("l.rori r%d, r%d, %d\n", a->d, a->a, a->l); + check_r0_write(a->d); + tcg_gen_rotri_tl(cpu_R[a->d], cpu_R[a->a], a->l & (TARGET_LONG_BITS - 1)); + return true; } static void dec_M(DisasContext *dc, uint32_t insn) @@ -1490,10 +1484,6 @@ static void disas_openrisc_insn(DisasContext *dc, OpenRISCCPU *cpu) dec_M(dc, insn); break; - case 0x2e: - dec_logic(dc, insn); - break; - case 0x2f: dec_compi(dc, insn); break; |