diff options
| -rw-r--r-- | target/hppa/insns.decode | 49 | ||||
| -rw-r--r-- | target/hppa/translate.c | 215 |
2 files changed, 99 insertions, 165 deletions
diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 3103153..e4a6016 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -24,7 +24,9 @@ %assemble_sr3 13:1 14:2 %assemble_sr3x 13:1 14:2 !function=expand_sr3x +%assemble_11a 0:s1 4:10 !function=expand_shl3 %assemble_12 0:s1 2:1 3:10 !function=expand_shl2 +%assemble_12a 0:s1 3:11 !function=expand_shl2 %assemble_17 0:s1 16:5 2:1 3:10 !function=expand_shl2 %assemble_22 0:s1 16:10 2:1 3:10 !function=expand_shl2 @@ -35,9 +37,15 @@ %sm_imm 16:10 !function=expand_sm_imm +%rm64 1:1 16:5 + %im5_0 0:s1 1:4 %im5_16 16:s1 17:4 %ma_to_m 5:1 13:1 !function=ma_to_m +%ma2_to_m 2:2 !function=ma_to_m +%pos_to_m 0:1 !function=pos_to_m +%neg_to_m 0:1 !function=neg_to_m +%a_to_m 2:1 !function=neg_to_m #### # Argument set definitions @@ -188,6 +196,47 @@ sta 000011 ..... ..... .. . 1 -- 1110 ...... @stim5 size=2 stby 000011 b:5 r:5 sp:2 a:1 1 -- 1100 m:1 ..... disp=%im5_0 #### +# Offset Mem +#### + +@ldstim14 ...... b:5 t:5 sp:2 .............. \ + &ldst disp=%lowsign_14 x=0 scale=0 m=0 +@ldstim14m ...... b:5 t:5 sp:2 .............. \ + &ldst disp=%lowsign_14 x=0 scale=0 m=%neg_to_m +@ldstim12m ...... b:5 t:5 sp:2 .............. \ + &ldst disp=%assemble_12a x=0 scale=0 m=%pos_to_m + +# LDB, LDH, LDW, LDWM +ld 010000 ..... ..... .. .............. @ldstim14 size=0 +ld 010001 ..... ..... .. .............. @ldstim14 size=1 +ld 010010 ..... ..... .. .............. @ldstim14 size=2 +ld 010011 ..... ..... .. .............. @ldstim14m size=2 +ld 010111 ..... ..... .. ...........10. @ldstim12m size=2 + +# STB, STH, STW, STWM +st 011000 ..... ..... .. .............. @ldstim14 size=0 +st 011001 ..... ..... .. .............. @ldstim14 size=1 +st 011010 ..... ..... .. .............. @ldstim14 size=2 +st 011011 ..... ..... .. .............. @ldstim14m size=2 +st 011111 ..... ..... .. ...........10. @ldstim12m size=2 + +fldw 010110 b:5 ..... sp:2 .............. \ + &ldst disp=%assemble_12a t=%rm64 m=%a_to_m x=0 scale=0 size=2 +fldw 010111 b:5 ..... sp:2 ...........0.. \ + &ldst disp=%assemble_12a t=%rm64 m=0 x=0 scale=0 size=2 + +fstw 011110 b:5 ..... sp:2 .............. \ + &ldst disp=%assemble_12a t=%rm64 m=%a_to_m x=0 scale=0 size=2 +fstw 011111 b:5 ..... sp:2 ...........0.. \ + &ldst disp=%assemble_12a t=%rm64 m=0 x=0 scale=0 size=2 + +fldd 010100 b:5 t:5 sp:2 .......... .. 1 . \ + &ldst disp=%assemble_11a m=%ma2_to_m x=0 scale=0 size=3 + +fstd 011100 b:5 t:5 sp:2 .......... .. 1 . \ + &ldst disp=%assemble_11a m=%ma2_to_m x=0 scale=0 size=3 + +#### # Floating-point Multiply Add #### diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 7e4a65e..4ce65bc 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -303,12 +303,29 @@ static int ma_to_m(int val) return val & 2 ? (val & 1 ? -1 : 1) : 0; } -/* Used for branch targets. */ +/* Convert the sign of the displacement to a pre or post-modify. */ +static int pos_to_m(int val) +{ + return val ? 1 : -1; +} + +static int neg_to_m(int val) +{ + return val ? -1 : 1; +} + +/* Used for branch targets and fp memory ops. */ static int expand_shl2(int val) { return val << 2; } +/* Used for fp memory ops. */ +static int expand_shl3(int val) +{ + return val << 3; +} + /* Used for assemble_21. */ static int expand_shl11(int val) { @@ -883,24 +900,6 @@ static inline unsigned assemble_sr3(uint32_t insn) return s2 * 4 + s0; } -static target_sreg assemble_16(uint32_t insn) -{ - /* Take the name from PA2.0, which produces a 16-bit number - only with wide mode; otherwise a 14-bit number. Since we don't - implement wide mode, this is always the 14-bit number. */ - return low_sextract(insn, 0, 14); -} - -static target_sreg assemble_16a(uint32_t insn) -{ - /* Take the name from PA2.0, which produces a 14-bit shifted number - only with wide mode; otherwise a 12-bit shifted number. Since we - don't implement wide mode, this is always the 12-bit number. */ - target_ureg x = -(target_ureg)(insn & 1); - x = (x << 11) | extract32(insn, 2, 11); - return x << 2; -} - /* The parisc documentation describes only the general interpretation of the conditions, without describing their exact implementation. The interpretations do not stand up well when considering ADD,C and SUB,B. @@ -1594,7 +1593,7 @@ static bool do_load(DisasContext *ctx, unsigned rt, unsigned rb, return nullify_end(ctx); } -static void do_floadw(DisasContext *ctx, unsigned rt, unsigned rb, +static bool do_floadw(DisasContext *ctx, unsigned rt, unsigned rb, unsigned rx, int scale, target_sreg disp, unsigned sp, int modify) { @@ -1611,10 +1610,16 @@ static void do_floadw(DisasContext *ctx, unsigned rt, unsigned rb, gen_helper_loaded_fr0(cpu_env); } - nullify_end(ctx); + return nullify_end(ctx); +} + +static bool trans_fldw(DisasContext *ctx, arg_ldst *a) +{ + return do_floadw(ctx, a->t, a->b, a->x, a->scale ? 2 : 0, + a->disp, a->sp, a->m); } -static void do_floadd(DisasContext *ctx, unsigned rt, unsigned rb, +static bool do_floadd(DisasContext *ctx, unsigned rt, unsigned rb, unsigned rx, int scale, target_sreg disp, unsigned sp, int modify) { @@ -1631,7 +1636,13 @@ static void do_floadd(DisasContext *ctx, unsigned rt, unsigned rb, gen_helper_loaded_fr0(cpu_env); } - nullify_end(ctx); + return nullify_end(ctx); +} + +static bool trans_fldd(DisasContext *ctx, arg_ldst *a) +{ + return do_floadd(ctx, a->t, a->b, a->x, a->scale ? 3 : 0, + a->disp, a->sp, a->m); } static bool do_store(DisasContext *ctx, unsigned rt, unsigned rb, @@ -1643,7 +1654,7 @@ static bool do_store(DisasContext *ctx, unsigned rt, unsigned rb, return nullify_end(ctx); } -static void do_fstorew(DisasContext *ctx, unsigned rt, unsigned rb, +static bool do_fstorew(DisasContext *ctx, unsigned rt, unsigned rb, unsigned rx, int scale, target_sreg disp, unsigned sp, int modify) { @@ -1655,10 +1666,16 @@ static void do_fstorew(DisasContext *ctx, unsigned rt, unsigned rb, do_store_32(ctx, tmp, rb, rx, scale, disp, sp, modify, MO_TEUL); tcg_temp_free_i32(tmp); - nullify_end(ctx); + return nullify_end(ctx); +} + +static bool trans_fstw(DisasContext *ctx, arg_ldst *a) +{ + return do_fstorew(ctx, a->t, a->b, a->x, a->scale ? 2 : 0, + a->disp, a->sp, a->m); } -static void do_fstored(DisasContext *ctx, unsigned rt, unsigned rb, +static bool do_fstored(DisasContext *ctx, unsigned rt, unsigned rb, unsigned rx, int scale, target_sreg disp, unsigned sp, int modify) { @@ -1670,7 +1687,13 @@ static void do_fstored(DisasContext *ctx, unsigned rt, unsigned rb, do_store_64(ctx, tmp, rb, rx, scale, disp, sp, modify, MO_TEQ); tcg_temp_free_i64(tmp); - nullify_end(ctx); + return nullify_end(ctx); +} + +static bool trans_fstd(DisasContext *ctx, arg_ldst *a) +{ + return do_fstored(ctx, a->t, a->b, a->x, a->scale ? 3 : 0, + a->disp, a->sp, a->m); } static void do_fop_wew(DisasContext *ctx, unsigned rt, unsigned ra, @@ -2958,107 +2981,6 @@ static bool trans_ldo(DisasContext *ctx, arg_ldo *a) return true; } -static bool trans_load(DisasContext *ctx, uint32_t insn, - bool is_mod, TCGMemOp mop) -{ - unsigned rb = extract32(insn, 21, 5); - unsigned rt = extract32(insn, 16, 5); - unsigned sp = extract32(insn, 14, 2); - target_sreg i = assemble_16(insn); - - do_load(ctx, rt, rb, 0, 0, i, sp, is_mod ? (i < 0 ? -1 : 1) : 0, mop); - return true; -} - -static bool trans_load_w(DisasContext *ctx, uint32_t insn) -{ - unsigned rb = extract32(insn, 21, 5); - unsigned rt = extract32(insn, 16, 5); - unsigned sp = extract32(insn, 14, 2); - target_sreg i = assemble_16a(insn); - unsigned ext2 = extract32(insn, 1, 2); - - switch (ext2) { - case 0: - case 1: - /* FLDW without modification. */ - do_floadw(ctx, ext2 * 32 + rt, rb, 0, 0, i, sp, 0); - break; - case 2: - /* LDW with modification. Note that the sign of I selects - post-dec vs pre-inc. */ - do_load(ctx, rt, rb, 0, 0, i, sp, (i < 0 ? 1 : -1), MO_TEUL); - break; - default: - return gen_illegal(ctx); - } - return true; -} - -static bool trans_fload_mod(DisasContext *ctx, uint32_t insn) -{ - target_sreg i = assemble_16a(insn); - unsigned t1 = extract32(insn, 1, 1); - unsigned a = extract32(insn, 2, 1); - unsigned sp = extract32(insn, 14, 2); - unsigned t0 = extract32(insn, 16, 5); - unsigned rb = extract32(insn, 21, 5); - - /* FLDW with modification. */ - do_floadw(ctx, t1 * 32 + t0, rb, 0, 0, i, sp, (a ? -1 : 1)); - return true; -} - -static bool trans_store(DisasContext *ctx, uint32_t insn, - bool is_mod, TCGMemOp mop) -{ - unsigned rb = extract32(insn, 21, 5); - unsigned rt = extract32(insn, 16, 5); - unsigned sp = extract32(insn, 14, 2); - target_sreg i = assemble_16(insn); - - do_store(ctx, rt, rb, i, sp, is_mod ? (i < 0 ? -1 : 1) : 0, mop); - return true; -} - -static bool trans_store_w(DisasContext *ctx, uint32_t insn) -{ - unsigned rb = extract32(insn, 21, 5); - unsigned rt = extract32(insn, 16, 5); - unsigned sp = extract32(insn, 14, 2); - target_sreg i = assemble_16a(insn); - unsigned ext2 = extract32(insn, 1, 2); - - switch (ext2) { - case 0: - case 1: - /* FSTW without modification. */ - do_fstorew(ctx, ext2 * 32 + rt, rb, 0, 0, i, sp, 0); - break; - case 2: - /* STW with modification. */ - do_store(ctx, rt, rb, i, sp, (i < 0 ? 1 : -1), MO_TEUL); - break; - default: - return gen_illegal(ctx); - } - return true; -} - -static bool trans_fstore_mod(DisasContext *ctx, uint32_t insn) -{ - target_sreg i = assemble_16a(insn); - unsigned t1 = extract32(insn, 1, 1); - unsigned a = extract32(insn, 2, 1); - unsigned sp = extract32(insn, 14, 2); - unsigned t0 = extract32(insn, 16, 5); - unsigned rb = extract32(insn, 21, 5); - - /* FSTW with modification. */ - do_fstorew(ctx, t1 * 32 + t0, rb, 0, 0, i, sp, (a ? -1 : 1)); - return true; -} - static bool trans_copr_w(DisasContext *ctx, uint32_t insn) { unsigned t0 = extract32(insn, 0, 5); @@ -4302,43 +4224,6 @@ static void translate_one(DisasContext *ctx, uint32_t insn) translate_table(ctx, insn, table_float_0e); return; - case 0x10: - trans_load(ctx, insn, false, MO_UB); - return; - case 0x11: - trans_load(ctx, insn, false, MO_TEUW); - return; - case 0x12: - trans_load(ctx, insn, false, MO_TEUL); - return; - case 0x13: - trans_load(ctx, insn, true, MO_TEUL); - return; - case 0x16: - trans_fload_mod(ctx, insn); - return; - case 0x17: - trans_load_w(ctx, insn); - return; - case 0x18: - trans_store(ctx, insn, false, MO_UB); - return; - case 0x19: - trans_store(ctx, insn, false, MO_TEUW); - return; - case 0x1A: - trans_store(ctx, insn, false, MO_TEUL); - return; - case 0x1B: - trans_store(ctx, insn, true, MO_TEUL); - return; - case 0x1E: - trans_fstore_mod(ctx, insn); - return; - case 0x1F: - trans_store_w(ctx, insn); - return; - case 0x2E: translate_table(ctx, insn, table_fp_fused); return; |