diff options
Diffstat (limited to 'target/mips/translate.c')
| -rw-r--r-- | target/mips/translate.c | 1009 |
1 files changed, 883 insertions, 126 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c index e9c23a594b..2636e8c022 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -1399,10 +1399,12 @@ enum { /* - * AN OVERVIEW OF MXU EXTENSION INSTRUCTION SET - * ============================================ * - * MXU (full name: MIPS eXtension/enhanced Unit) is an SIMD extension of MIPS32 + * AN OVERVIEW OF MXU EXTENSION INSTRUCTION SET + * ============================================ + * + * + * MXU (full name: MIPS eXtension/enhanced Unit) is a SIMD extension of MIPS32 * instructions set. It is designed to fit the needs of signal, graphical and * video processing applications. MXU instruction set is used in Xburst family * of microprocessors by Ingenic. @@ -1410,39 +1412,31 @@ enum { * MXU unit contains 17 registers called X0-X16. X0 is always zero, and X16 is * the control register. * - * The notation used in MXU assembler mnemonics - * -------------------------------------------- * - * Registers: + * The notation used in MXU assembler mnemonics + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * Register operands: * * XRa, XRb, XRc, XRd - MXU registers * Rb, Rc, Rd, Rs, Rt - general purpose MIPS registers * - * Subfields: + * Non-register operands: * - * aptn1 - 1-bit accumulate add/subtract pattern - * aptn2 - 2-bit accumulate add/subtract pattern - * eptn2 - 2-bit execute add/subtract pattern - * optn2 - 2-bit operand pattern - * optn3 - 3-bit operand pattern - * sft4 - 4-bit shift amount - * strd2 - 2-bit stride amount + * aptn1 - 1-bit accumulate add/subtract pattern + * aptn2 - 2-bit accumulate add/subtract pattern + * eptn2 - 2-bit execute add/subtract pattern + * optn2 - 2-bit operand pattern + * optn3 - 3-bit operand pattern + * sft4 - 4-bit shift amount + * strd2 - 2-bit stride amount * * Prefixes: * - * <Operation parallel level><Operand size> - * S 32 - * D 16 - * Q 8 - * - * Suffixes: - * - * E - Expand results - * F - Fixed point multiplication - * L - Low part result - * R - Doing rounding - * V - Variable instead of immediate - * W - Combine above L and V + * Level of parallelism: Operand size: + * S - single operation at a time 32 - word + * D - two operations in parallel 16 - half word + * Q - four operations in parallel 8 - byte * * Operations: * @@ -1486,6 +1480,19 @@ enum { * SCOP - Calculate x’s scope (-1, means x<0; 0, means x==0; 1, means x>0) * XOR - Logical bitwise 'exclusive or' operation * + * Suffixes: + * + * E - Expand results + * F - Fixed point multiplication + * L - Low part result + * R - Doing rounding + * V - Variable instead of immediate + * W - Combine above L and V + * + * + * The list of MXU instructions grouped by functionality + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * * Load/Store instructions Multiplication instructions * ----------------------- --------------------------- * @@ -1563,6 +1570,13 @@ enum { * Q16SAT XRa, XRb, XRc S32I2M XRa, Rb * * + * The opcode organization of MXU instructions + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * The bits 31..26 of all MXU instructions are equal to 0x1C (also referred + * as opcode SPECIAL2 in the base MIPS ISA). The organization and meaning of + * other bits up to the instruction level is as follows: + * * bits * 05..00 * @@ -1663,12 +1677,21 @@ enum { * │ 20..18 * ├─ 100111 ─ OPC_MXU__POOL16 ─┬─ 000 ─ OPC_MXU_D32SARW * │ ├─ 001 ─ OPC_MXU_S32ALN - * ├─ 101000 ─ OPC_MXU_LXB ├─ 010 ─ OPC_MXU_S32ALNI - * ├─ 101001 ─ <not assigned> ├─ 011 ─ OPC_MXU_S32NOR - * ├─ 101010 ─ OPC_MXU_S16LDD ├─ 100 ─ OPC_MXU_S32AND - * ├─ 101011 ─ OPC_MXU_S16STD ├─ 101 ─ OPC_MXU_S32OR - * ├─ 101100 ─ OPC_MXU_S16LDI ├─ 110 ─ OPC_MXU_S32XOR - * ├─ 101101 ─ OPC_MXU_S16SDI └─ 111 ─ OPC_MXU_S32LUI + * │ ├─ 010 ─ OPC_MXU_S32ALNI + * │ ├─ 011 ─ OPC_MXU_S32LUI + * │ ├─ 100 ─ OPC_MXU_S32NOR + * │ ├─ 101 ─ OPC_MXU_S32AND + * │ ├─ 110 ─ OPC_MXU_S32OR + * │ └─ 111 ─ OPC_MXU_S32XOR + * │ + * │ 7..5 + * ├─ 101000 ─ OPC_MXU__POOL17 ─┬─ 000 ─ OPC_MXU_LXB + * │ ├─ 001 ─ OPC_MXU_LXH + * ├─ 101001 ─ <not assigned> ├─ 011 ─ OPC_MXU_LXW + * ├─ 101010 ─ OPC_MXU_S16LDD ├─ 100 ─ OPC_MXU_LXBU + * ├─ 101011 ─ OPC_MXU_S16STD └─ 101 ─ OPC_MXU_LXHU + * ├─ 101100 ─ OPC_MXU_S16LDI + * ├─ 101101 ─ OPC_MXU_S16SDI * ├─ 101110 ─ OPC_MXU_S32M2I * ├─ 101111 ─ OPC_MXU_S32I2M * ├─ 110000 ─ OPC_MXU_D32SLL @@ -1678,23 +1701,23 @@ enum { * ├─ 110100 ─ OPC_MXU_Q16SLL ├─ 010 ─ OPC_MXU_D32SARV * ├─ 110101 ─ OPC_MXU_Q16SLR ├─ 011 ─ OPC_MXU_Q16SLLV * │ ├─ 100 ─ OPC_MXU_Q16SLRV - * ├─ 110110 ─ OPC_MXU__POOL17 ─┴─ 101 ─ OPC_MXU_Q16SARV + * ├─ 110110 ─ OPC_MXU__POOL18 ─┴─ 101 ─ OPC_MXU_Q16SARV * │ * ├─ 110111 ─ OPC_MXU_Q16SAR * │ 23..22 - * ├─ 111000 ─ OPC_MXU__POOL18 ─┬─ 00 ─ OPC_MXU_Q8MUL + * ├─ 111000 ─ OPC_MXU__POOL19 ─┬─ 00 ─ OPC_MXU_Q8MUL * │ └─ 01 ─ OPC_MXU_Q8MULSU * │ * │ 20..18 - * ├─ 111001 ─ OPC_MXU__POOL19 ─┬─ 000 ─ OPC_MXU_Q8MOVZ + * ├─ 111001 ─ OPC_MXU__POOL20 ─┬─ 000 ─ OPC_MXU_Q8MOVZ * │ ├─ 001 ─ OPC_MXU_Q8MOVN * │ ├─ 010 ─ OPC_MXU_D16MOVZ * │ ├─ 011 ─ OPC_MXU_D16MOVN * │ ├─ 100 ─ OPC_MXU_S32MOVZ - * │ └─ 101 ─ OPC_MXU_S32MOV + * │ └─ 101 ─ OPC_MXU_S32MOVN * │ * │ 23..22 - * ├─ 111010 ─ OPC_MXU__POOL20 ─┬─ 00 ─ OPC_MXU_Q8MAC + * ├─ 111010 ─ OPC_MXU__POOL21 ─┬─ 00 ─ OPC_MXU_Q8MAC * │ └─ 10 ─ OPC_MXU_Q8MACSU * ├─ 111011 ─ OPC_MXU_Q16SCOP * ├─ 111100 ─ OPC_MXU_Q8MADL @@ -1703,10 +1726,10 @@ enum { * └─ 111111 ─ <not assigned> (overlaps with SDBBP) * * - * Compiled after: + * Compiled after: * * "XBurst® Instruction Set Architecture MIPS eXtension/enhanced Unit - * Programming Manual", Ingenic Semiconductor Co, Ltd., 2017 + * Programming Manual", Ingenic Semiconductor Co, Ltd., revision June 2, 2017 */ enum { @@ -1750,7 +1773,7 @@ enum { OPC_MXU_S8SDI = 0x25, OPC_MXU__POOL15 = 0x26, OPC_MXU__POOL16 = 0x27, - OPC_MXU_LXB = 0x28, + OPC_MXU__POOL17 = 0x28, /* not assigned 0x29 */ OPC_MXU_S16LDD = 0x2A, OPC_MXU_S16STD = 0x2B, @@ -1764,11 +1787,11 @@ enum { OPC_MXU_D32SAR = 0x33, OPC_MXU_Q16SLL = 0x34, OPC_MXU_Q16SLR = 0x35, - OPC_MXU__POOL17 = 0x36, + OPC_MXU__POOL18 = 0x36, OPC_MXU_Q16SAR = 0x37, - OPC_MXU__POOL18 = 0x38, - OPC_MXU__POOL19 = 0x39, - OPC_MXU__POOL20 = 0x3A, + OPC_MXU__POOL19 = 0x38, + OPC_MXU__POOL20 = 0x39, + OPC_MXU__POOL21 = 0x3A, OPC_MXU_Q16SCOP = 0x3B, OPC_MXU_Q8MADL = 0x3C, OPC_MXU_S32SFL = 0x3D, @@ -1930,17 +1953,28 @@ enum { OPC_MXU_D32SARW = 0x00, OPC_MXU_S32ALN = 0x01, OPC_MXU_S32ALNI = 0x02, - OPC_MXU_S32NOR = 0x03, - OPC_MXU_S32AND = 0x04, - OPC_MXU_S32OR = 0x05, - OPC_MXU_S32XOR = 0x06, - OPC_MXU_S32LUI = 0x07, + OPC_MXU_S32LUI = 0x03, + OPC_MXU_S32NOR = 0x04, + OPC_MXU_S32AND = 0x05, + OPC_MXU_S32OR = 0x06, + OPC_MXU_S32XOR = 0x07, }; /* * MXU pool 17 */ enum { + OPC_MXU_LXB = 0x00, + OPC_MXU_LXH = 0x01, + OPC_MXU_LXW = 0x03, + OPC_MXU_LXBU = 0x04, + OPC_MXU_LXHU = 0x05, +}; + +/* + * MXU pool 18 + */ +enum { OPC_MXU_D32SLLV = 0x00, OPC_MXU_D32SLRV = 0x01, OPC_MXU_D32SARV = 0x03, @@ -1950,7 +1984,7 @@ enum { }; /* - * MXU pool 18 + * MXU pool 19 */ enum { OPC_MXU_Q8MUL = 0x00, @@ -1958,7 +1992,7 @@ enum { }; /* - * MXU pool 19 + * MXU pool 20 */ enum { OPC_MXU_Q8MOVZ = 0x00, @@ -1970,7 +2004,7 @@ enum { }; /* - * MXU pool 20 + * MXU pool 21 */ enum { OPC_MXU_Q8MAC = 0x00, @@ -2421,9 +2455,11 @@ static TCGv_i32 fpu_fcr0, fpu_fcr31; static TCGv_i64 fpu_f64[32]; static TCGv_i64 msa_wr_d[64]; +#if !defined(TARGET_MIPS64) /* MXU registers */ static TCGv mxu_gpr[NUMBER_OF_MXU_REGISTERS - 1]; static TCGv mxu_CR; +#endif #include "exec/gen-icount.h" @@ -2547,10 +2583,12 @@ static const char * const msaregnames[] = { "w30.d0", "w30.d1", "w31.d0", "w31.d1", }; +#if !defined(TARGET_MIPS64) static const char * const mxuregnames[] = { "XR1", "XR2", "XR3", "XR4", "XR5", "XR6", "XR7", "XR8", "XR9", "XR10", "XR11", "XR12", "XR13", "XR14", "XR15", "MXU_CR", }; +#endif #define LOG_DISAS(...) \ do { \ @@ -2633,6 +2671,7 @@ static inline void gen_store_srsgpr (int from, int to) } } +#if !defined(TARGET_MIPS64) /* MXU General purpose registers moves. */ static inline void gen_load_mxu_gpr(TCGv t, unsigned int reg) { @@ -2661,6 +2700,7 @@ static inline void gen_store_mxu_cr(TCGv t) /* TODO: Add handling of RW rules for MXU_CR. */ tcg_gen_mov_tl(mxu_CR, t); } +#endif /* Tests */ @@ -4993,8 +5033,8 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, } /* - * These MULT and MULTU instructions implemented in for example the - * Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core + * These MULT[U] and MADD[U] instructions implemented in for example + * the Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core * architectures are special three-operand variants with the syntax * * MULT[U][1] rd, rs, rt @@ -5003,6 +5043,14 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, * * (rd, LO, HI) <- rs * rt * + * and + * + * MADD[U][1] rd, rs, rt + * + * such that + * + * (rd, LO, HI) <- (LO, HI) + rs * rt + * * where the low-order 32-bits of the result is placed into both the * GPR rd and the special register LO. The high-order 32-bits of the * result is placed into the special register HI. @@ -5059,8 +5107,54 @@ static void gen_mul_txx9(DisasContext *ctx, uint32_t opc, tcg_temp_free_i32(t3); } break; + case MMI_OPC_MADD1: + acc = 1; + /* Fall through */ + case MMI_OPC_MADD: + { + TCGv_i64 t2 = tcg_temp_new_i64(); + TCGv_i64 t3 = tcg_temp_new_i64(); + + tcg_gen_ext_tl_i64(t2, t0); + tcg_gen_ext_tl_i64(t3, t1); + tcg_gen_mul_i64(t2, t2, t3); + tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); + tcg_gen_add_i64(t2, t2, t3); + tcg_temp_free_i64(t3); + gen_move_low32(cpu_LO[acc], t2); + gen_move_high32(cpu_HI[acc], t2); + if (rd) { + gen_move_low32(cpu_gpr[rd], t2); + } + tcg_temp_free_i64(t2); + } + break; + case MMI_OPC_MADDU1: + acc = 1; + /* Fall through */ + case MMI_OPC_MADDU: + { + TCGv_i64 t2 = tcg_temp_new_i64(); + TCGv_i64 t3 = tcg_temp_new_i64(); + + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + tcg_gen_extu_tl_i64(t2, t0); + tcg_gen_extu_tl_i64(t3, t1); + tcg_gen_mul_i64(t2, t2, t3); + tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); + tcg_gen_add_i64(t2, t2, t3); + tcg_temp_free_i64(t3); + gen_move_low32(cpu_LO[acc], t2); + gen_move_high32(cpu_HI[acc], t2); + if (rd) { + gen_move_low32(cpu_gpr[rd], t2); + } + tcg_temp_free_i64(t2); + } + break; default: - MIPS_INVAL("mul TXx9"); + MIPS_INVAL("mul/madd TXx9"); generate_exception_end(ctx, EXCP_RI); goto out; } @@ -24201,6 +24295,8 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx) } +#if !defined(TARGET_MIPS64) + /* MXU accumulate add/subtract 1-bit pattern 'aptn1' */ #define MXU_APTN1_A 0 #define MXU_APTN1_S 1 @@ -24218,6 +24314,11 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx) #define MXU_EPTN2_SS 3 /* MXU operand getting pattern 'optn2' */ +#define MXU_OPTN2_PTN0 0 +#define MXU_OPTN2_PTN1 1 +#define MXU_OPTN2_PTN2 2 +#define MXU_OPTN2_PTN3 3 +/* alternative naming scheme for 'optn2' */ #define MXU_OPTN2_WW 0 #define MXU_OPTN2_LW 1 #define MXU_OPTN2_HW 2 @@ -24611,6 +24712,641 @@ static void gen_mxu_s32ldd_s32lddr(DisasContext *ctx) /* + * MXU instruction category: logic + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * S32NOR S32AND S32OR S32XOR + */ + +/* + * S32NOR XRa, XRb, XRc + * Update XRa with the result of logical bitwise 'nor' operation + * applied to the content of XRb and XRc. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0| opc | XRc | XRb | XRa |MXU__POOL16| + * +-----------+---------+-----+-------+-------+-------+-----------+ + */ +static void gen_mxu_S32NOR(DisasContext *ctx) +{ + uint32_t pad, XRc, XRb, XRa; + + pad = extract32(ctx->opcode, 21, 5); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRa == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) && (XRc == 0))) { + /* both operands zero registers -> just set destination to all 1s */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0xFFFFFFFF); + } else if (unlikely(XRb == 0)) { + /* XRb zero register -> just set destination to the negation of XRc */ + tcg_gen_not_i32(mxu_gpr[XRa - 1], mxu_gpr[XRc - 1]); + } else if (unlikely(XRc == 0)) { + /* XRa zero register -> just set destination to the negation of XRb */ + tcg_gen_not_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just set destination to the negation of XRb */ + tcg_gen_not_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else { + /* the most general case */ + tcg_gen_nor_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], mxu_gpr[XRc - 1]); + } +} + +/* + * S32AND XRa, XRb, XRc + * Update XRa with the result of logical bitwise 'and' operation + * applied to the content of XRb and XRc. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0| opc | XRc | XRb | XRa |MXU__POOL16| + * +-----------+---------+-----+-------+-------+-------+-----------+ + */ +static void gen_mxu_S32AND(DisasContext *ctx) +{ + uint32_t pad, XRc, XRb, XRa; + + pad = extract32(ctx->opcode, 21, 5); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRa == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) || (XRc == 0))) { + /* one of operands zero register -> just set destination to all 0s */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just set destination to one of them */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else { + /* the most general case */ + tcg_gen_and_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], mxu_gpr[XRc - 1]); + } +} + +/* + * S32OR XRa, XRb, XRc + * Update XRa with the result of logical bitwise 'or' operation + * applied to the content of XRb and XRc. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0| opc | XRc | XRb | XRa |MXU__POOL16| + * +-----------+---------+-----+-------+-------+-------+-----------+ + */ +static void gen_mxu_S32OR(DisasContext *ctx) +{ + uint32_t pad, XRc, XRb, XRa; + + pad = extract32(ctx->opcode, 21, 5); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRa == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) && (XRc == 0))) { + /* both operands zero registers -> just set destination to all 0s */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + } else if (unlikely(XRb == 0)) { + /* XRb zero register -> just set destination to the content of XRc */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRc - 1]); + } else if (unlikely(XRc == 0)) { + /* XRc zero register -> just set destination to the content of XRb */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just set destination to one of them */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else { + /* the most general case */ + tcg_gen_or_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], mxu_gpr[XRc - 1]); + } +} + +/* + * S32XOR XRa, XRb, XRc + * Update XRa with the result of logical bitwise 'xor' operation + * applied to the content of XRb and XRc. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0| opc | XRc | XRb | XRa |MXU__POOL16| + * +-----------+---------+-----+-------+-------+-------+-----------+ + */ +static void gen_mxu_S32XOR(DisasContext *ctx) +{ + uint32_t pad, XRc, XRb, XRa; + + pad = extract32(ctx->opcode, 21, 5); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRa == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) && (XRc == 0))) { + /* both operands zero registers -> just set destination to all 0s */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + } else if (unlikely(XRb == 0)) { + /* XRb zero register -> just set destination to the content of XRc */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRc - 1]); + } else if (unlikely(XRc == 0)) { + /* XRc zero register -> just set destination to the content of XRb */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just set destination to all 0s */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + } else { + /* the most general case */ + tcg_gen_xor_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], mxu_gpr[XRc - 1]); + } +} + + +/* + * MXU instruction category max/min + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * S32MAX D16MAX Q8MAX + * S32MIN D16MIN Q8MIN + */ + +/* + * S32MAX XRa, XRb, XRc + * Update XRa with the maximum of signed 32-bit integers contained + * in XRb and XRc. + * + * S32MIN XRa, XRb, XRc + * Update XRa with the minimum of signed 32-bit integers contained + * in XRb and XRc. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0| opc | XRc | XRb | XRa |MXU__POOL00| + * +-----------+---------+-----+-------+-------+-------+-----------+ + */ +static void gen_mxu_S32MAX_S32MIN(DisasContext *ctx) +{ + uint32_t pad, opc, XRc, XRb, XRa; + + pad = extract32(ctx->opcode, 21, 5); + opc = extract32(ctx->opcode, 18, 3); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRa == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) && (XRc == 0))) { + /* both operands zero registers -> just set destination to zero */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + } else if (unlikely((XRb == 0) || (XRc == 0))) { + /* exactly one operand is zero register - find which one is not...*/ + uint32_t XRx = XRb ? XRb : XRc; + /* ...and do max/min operation with one operand 0 */ + if (opc == OPC_MXU_S32MAX) { + tcg_gen_smax_i32(mxu_gpr[XRa - 1], mxu_gpr[XRx - 1], 0); + } else { + tcg_gen_smin_i32(mxu_gpr[XRa - 1], mxu_gpr[XRx - 1], 0); + } + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just set destination to one of them */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else { + /* the most general case */ + if (opc == OPC_MXU_S32MAX) { + tcg_gen_smax_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], + mxu_gpr[XRc - 1]); + } else { + tcg_gen_smin_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], + mxu_gpr[XRc - 1]); + } + } +} + +/* + * D16MAX + * Update XRa with the 16-bit-wise maximums of signed integers + * contained in XRb and XRc. + * + * D16MIN + * Update XRa with the 16-bit-wise minimums of signed integers + * contained in XRb and XRc. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0| opc | XRc | XRb | XRa |MXU__POOL00| + * +-----------+---------+-----+-------+-------+-------+-----------+ + */ +static void gen_mxu_D16MAX_D16MIN(DisasContext *ctx) +{ + uint32_t pad, opc, XRc, XRb, XRa; + + pad = extract32(ctx->opcode, 21, 5); + opc = extract32(ctx->opcode, 18, 3); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRc == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) && (XRa == 0))) { + /* both operands zero registers -> just set destination to zero */ + tcg_gen_movi_i32(mxu_gpr[XRc - 1], 0); + } else if (unlikely((XRb == 0) || (XRa == 0))) { + /* exactly one operand is zero register - find which one is not...*/ + uint32_t XRx = XRb ? XRb : XRc; + /* ...and do half-word-wise max/min with one operand 0 */ + TCGv_i32 t0 = tcg_temp_new(); + TCGv_i32 t1 = tcg_const_i32(0); + + /* the left half-word first */ + tcg_gen_andi_i32(t0, mxu_gpr[XRx - 1], 0xFFFF0000); + if (opc == OPC_MXU_D16MAX) { + tcg_gen_smax_i32(mxu_gpr[XRa - 1], t0, t1); + } else { + tcg_gen_smin_i32(mxu_gpr[XRa - 1], t0, t1); + } + + /* the right half-word */ + tcg_gen_andi_i32(t0, mxu_gpr[XRx - 1], 0x0000FFFF); + /* move half-words to the leftmost position */ + tcg_gen_shli_i32(t0, t0, 16); + /* t0 will be max/min of t0 and t1 */ + if (opc == OPC_MXU_D16MAX) { + tcg_gen_smax_i32(t0, t0, t1); + } else { + tcg_gen_smin_i32(t0, t0, t1); + } + /* return resulting half-words to its original position */ + tcg_gen_shri_i32(t0, t0, 16); + /* finaly update the destination */ + tcg_gen_or_i32(mxu_gpr[XRa - 1], mxu_gpr[XRa - 1], t0); + + tcg_temp_free(t1); + tcg_temp_free(t0); + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just set destination to one of them */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else { + /* the most general case */ + TCGv_i32 t0 = tcg_temp_new(); + TCGv_i32 t1 = tcg_temp_new(); + + /* the left half-word first */ + tcg_gen_andi_i32(t0, mxu_gpr[XRb - 1], 0xFFFF0000); + tcg_gen_andi_i32(t1, mxu_gpr[XRc - 1], 0xFFFF0000); + if (opc == OPC_MXU_D16MAX) { + tcg_gen_smax_i32(mxu_gpr[XRa - 1], t0, t1); + } else { + tcg_gen_smin_i32(mxu_gpr[XRa - 1], t0, t1); + } + + /* the right half-word */ + tcg_gen_andi_i32(t0, mxu_gpr[XRb - 1], 0x0000FFFF); + tcg_gen_andi_i32(t1, mxu_gpr[XRc - 1], 0x0000FFFF); + /* move half-words to the leftmost position */ + tcg_gen_shli_i32(t0, t0, 16); + tcg_gen_shli_i32(t1, t1, 16); + /* t0 will be max/min of t0 and t1 */ + if (opc == OPC_MXU_D16MAX) { + tcg_gen_smax_i32(t0, t0, t1); + } else { + tcg_gen_smin_i32(t0, t0, t1); + } + /* return resulting half-words to its original position */ + tcg_gen_shri_i32(t0, t0, 16); + /* finaly update the destination */ + tcg_gen_or_i32(mxu_gpr[XRa - 1], mxu_gpr[XRa - 1], t0); + + tcg_temp_free(t1); + tcg_temp_free(t0); + } +} + +/* + * Q8MAX + * Update XRa with the 8-bit-wise maximums of signed integers + * contained in XRb and XRc. + * + * Q8MIN + * Update XRa with the 8-bit-wise minimums of signed integers + * contained in XRb and XRc. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0| opc | XRc | XRb | XRa |MXU__POOL00| + * +-----------+---------+-----+-------+-------+-------+-----------+ + */ +static void gen_mxu_Q8MAX_Q8MIN(DisasContext *ctx) +{ + uint32_t pad, opc, XRc, XRb, XRa; + + pad = extract32(ctx->opcode, 21, 5); + opc = extract32(ctx->opcode, 18, 3); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRa == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) && (XRc == 0))) { + /* both operands zero registers -> just set destination to zero */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + } else if (unlikely((XRb == 0) || (XRc == 0))) { + /* exactly one operand is zero register - make it be the first...*/ + uint32_t XRx = XRb ? XRb : XRc; + /* ...and do byte-wise max/min with one operand 0 */ + TCGv_i32 t0 = tcg_temp_new(); + TCGv_i32 t1 = tcg_const_i32(0); + int32_t i; + + /* the leftmost byte (byte 3) first */ + tcg_gen_andi_i32(t0, mxu_gpr[XRx - 1], 0xFF000000); + if (opc == OPC_MXU_Q8MAX) { + tcg_gen_smax_i32(mxu_gpr[XRa - 1], t0, t1); + } else { + tcg_gen_smin_i32(mxu_gpr[XRa - 1], t0, t1); + } + + /* bytes 2, 1, 0 */ + for (i = 2; i >= 0; i--) { + /* extract the byte */ + tcg_gen_andi_i32(t0, mxu_gpr[XRx - 1], 0xFF << (8 * i)); + /* move the byte to the leftmost position */ + tcg_gen_shli_i32(t0, t0, 8 * (3 - i)); + /* t0 will be max/min of t0 and t1 */ + if (opc == OPC_MXU_Q8MAX) { + tcg_gen_smax_i32(t0, t0, t1); + } else { + tcg_gen_smin_i32(t0, t0, t1); + } + /* return resulting byte to its original position */ + tcg_gen_shri_i32(t0, t0, 8 * (3 - i)); + /* finaly update the destination */ + tcg_gen_or_i32(mxu_gpr[XRa - 1], mxu_gpr[XRa - 1], t0); + } + + tcg_temp_free(t1); + tcg_temp_free(t0); + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just set destination to one of them */ + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } else { + /* the most general case */ + TCGv_i32 t0 = tcg_temp_new(); + TCGv_i32 t1 = tcg_temp_new(); + int32_t i; + + /* the leftmost bytes (bytes 3) first */ + tcg_gen_andi_i32(t0, mxu_gpr[XRb - 1], 0xFF000000); + tcg_gen_andi_i32(t1, mxu_gpr[XRc - 1], 0xFF000000); + if (opc == OPC_MXU_Q8MAX) { + tcg_gen_smax_i32(mxu_gpr[XRa - 1], t0, t1); + } else { + tcg_gen_smin_i32(mxu_gpr[XRa - 1], t0, t1); + } + + /* bytes 2, 1, 0 */ + for (i = 2; i >= 0; i--) { + /* extract corresponding bytes */ + tcg_gen_andi_i32(t0, mxu_gpr[XRb - 1], 0xFF << (8 * i)); + tcg_gen_andi_i32(t1, mxu_gpr[XRc - 1], 0xFF << (8 * i)); + /* move the bytes to the leftmost position */ + tcg_gen_shli_i32(t0, t0, 8 * (3 - i)); + tcg_gen_shli_i32(t1, t1, 8 * (3 - i)); + /* t0 will be max/min of t0 and t1 */ + if (opc == OPC_MXU_Q8MAX) { + tcg_gen_smax_i32(t0, t0, t1); + } else { + tcg_gen_smin_i32(t0, t0, t1); + } + /* return resulting byte to its original position */ + tcg_gen_shri_i32(t0, t0, 8 * (3 - i)); + /* finaly update the destination */ + tcg_gen_or_i32(mxu_gpr[XRa - 1], mxu_gpr[XRa - 1], t0); + } + + tcg_temp_free(t1); + tcg_temp_free(t0); + } +} + + +/* + * MXU instruction category: align + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * S32ALN S32ALNI + */ + +/* + * S32ALNI XRc, XRb, XRa, optn3 + * Arrange bytes from XRb and XRc according to one of five sets of + * rules determined by optn3, and place the result in XRa. + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+-----+---+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |optn3|0 0|x x x| XRc | XRb | XRa |MXU__POOL16| + * +-----------+-----+---+-----+-------+-------+-------+-----------+ + * + */ +static void gen_mxu_S32ALNI(DisasContext *ctx) +{ + uint32_t optn3, pad, XRc, XRb, XRa; + + optn3 = extract32(ctx->opcode, 23, 3); + pad = extract32(ctx->opcode, 21, 2); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + + if (unlikely(pad != 0)) { + /* opcode padding incorrect -> do nothing */ + } else if (unlikely(XRa == 0)) { + /* destination is zero register -> do nothing */ + } else if (unlikely((XRb == 0) && (XRc == 0))) { + /* both operands zero registers -> just set destination to all 0s */ + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + } else if (unlikely(XRb == 0)) { + /* XRb zero register -> just appropriatelly shift XRc into XRa */ + switch (optn3) { + case MXU_OPTN3_PTN0: + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + break; + case MXU_OPTN3_PTN1: + case MXU_OPTN3_PTN2: + case MXU_OPTN3_PTN3: + tcg_gen_shri_i32(mxu_gpr[XRa - 1], mxu_gpr[XRc - 1], + 8 * (4 - optn3)); + break; + case MXU_OPTN3_PTN4: + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRc - 1]); + break; + } + } else if (unlikely(XRc == 0)) { + /* XRc zero register -> just appropriatelly shift XRb into XRa */ + switch (optn3) { + case MXU_OPTN3_PTN0: + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + break; + case MXU_OPTN3_PTN1: + case MXU_OPTN3_PTN2: + case MXU_OPTN3_PTN3: + tcg_gen_shri_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], 8 * optn3); + break; + case MXU_OPTN3_PTN4: + tcg_gen_movi_i32(mxu_gpr[XRa - 1], 0); + break; + } + } else if (unlikely(XRb == XRc)) { + /* both operands same -> just rotation or moving from any of them */ + switch (optn3) { + case MXU_OPTN3_PTN0: + case MXU_OPTN3_PTN4: + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + break; + case MXU_OPTN3_PTN1: + case MXU_OPTN3_PTN2: + case MXU_OPTN3_PTN3: + tcg_gen_rotli_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1], 8 * optn3); + break; + } + } else { + /* the most general case */ + switch (optn3) { + case MXU_OPTN3_PTN0: + { + /* */ + /* XRb XRc */ + /* +---------------+ */ + /* | A B C D | E F G H */ + /* +-------+-------+ */ + /* | */ + /* XRa */ + /* */ + + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRb - 1]); + } + break; + case MXU_OPTN3_PTN1: + { + /* */ + /* XRb XRc */ + /* +-------------------+ */ + /* A | B C D E | F G H */ + /* +---------+---------+ */ + /* | */ + /* XRa */ + /* */ + + TCGv_i32 t0 = tcg_temp_new(); + TCGv_i32 t1 = tcg_temp_new(); + + tcg_gen_andi_i32(t0, mxu_gpr[XRb - 1], 0x00FFFFFF); + tcg_gen_shli_i32(t0, t0, 8); + + tcg_gen_andi_i32(t1, mxu_gpr[XRc - 1], 0xFF000000); + tcg_gen_shri_i32(t1, t1, 24); + + tcg_gen_or_i32(mxu_gpr[XRa - 1], t0, t1); + + tcg_temp_free(t1); + tcg_temp_free(t0); + } + break; + case MXU_OPTN3_PTN2: + { + /* */ + /* XRb XRc */ + /* +-------------------+ */ + /* A B | C D E F | G H */ + /* +---------+---------+ */ + /* | */ + /* XRa */ + /* */ + + TCGv_i32 t0 = tcg_temp_new(); + TCGv_i32 t1 = tcg_temp_new(); + + tcg_gen_andi_i32(t0, mxu_gpr[XRb - 1], 0x0000FFFF); + tcg_gen_shli_i32(t0, t0, 16); + + tcg_gen_andi_i32(t1, mxu_gpr[XRc - 1], 0xFFFF0000); + tcg_gen_shri_i32(t1, t1, 16); + + tcg_gen_or_i32(mxu_gpr[XRa - 1], t0, t1); + + tcg_temp_free(t1); + tcg_temp_free(t0); + } + break; + case MXU_OPTN3_PTN3: + { + /* */ + /* XRb XRc */ + /* +-------------------+ */ + /* A B C | D E F G | H */ + /* +---------+---------+ */ + /* | */ + /* XRa */ + /* */ + + TCGv_i32 t0 = tcg_temp_new(); + TCGv_i32 t1 = tcg_temp_new(); + + tcg_gen_andi_i32(t0, mxu_gpr[XRb - 1], 0x000000FF); + tcg_gen_shli_i32(t0, t0, 24); + + tcg_gen_andi_i32(t1, mxu_gpr[XRc - 1], 0xFFFFFF00); + tcg_gen_shri_i32(t1, t1, 8); + + tcg_gen_or_i32(mxu_gpr[XRa - 1], t0, t1); + + tcg_temp_free(t1); + tcg_temp_free(t0); + } + break; + case MXU_OPTN3_PTN4: + { + /* */ + /* XRb XRc */ + /* +---------------+ */ + /* A B C D | E F G H | */ + /* +-------+-------+ */ + /* | */ + /* XRa */ + /* */ + + tcg_gen_mov_i32(mxu_gpr[XRa - 1], mxu_gpr[XRc - 1]); + } + break; + } + } +} + + +/* * Decoding engine for MXU * ======================= */ @@ -24631,34 +25367,16 @@ static void decode_opc_mxu__pool00(CPUMIPSState *env, DisasContext *ctx) switch (opcode) { case OPC_MXU_S32MAX: - /* TODO: Implement emulation of S32MAX instruction. */ - MIPS_INVAL("OPC_MXU_S32MAX"); - generate_exception_end(ctx, EXCP_RI); - break; case OPC_MXU_S32MIN: - /* TODO: Implement emulation of S32MIN instruction. */ - MIPS_INVAL("OPC_MXU_S32MIN"); - generate_exception_end(ctx, EXCP_RI); + gen_mxu_S32MAX_S32MIN(ctx); break; case OPC_MXU_D16MAX: - /* TODO: Implement emulation of D16MAX instruction. */ - MIPS_INVAL("OPC_MXU_D16MAX"); - generate_exception_end(ctx, EXCP_RI); - break; case OPC_MXU_D16MIN: - /* TODO: Implement emulation of D16MIN instruction. */ - MIPS_INVAL("OPC_MXU_D16MIN"); - generate_exception_end(ctx, EXCP_RI); + gen_mxu_D16MAX_D16MIN(ctx); break; case OPC_MXU_Q8MAX: - /* TODO: Implement emulation of Q8MAX instruction. */ - MIPS_INVAL("OPC_MXU_Q8MAX"); - generate_exception_end(ctx, EXCP_RI); - break; case OPC_MXU_Q8MIN: - /* TODO: Implement emulation of Q8MIN instruction. */ - MIPS_INVAL("OPC_MXU_Q8MIN"); - generate_exception_end(ctx, EXCP_RI); + gen_mxu_Q8MAX_Q8MIN(ctx); break; case OPC_MXU_Q8SLT: /* TODO: Implement emulation of Q8SLT instruction. */ @@ -25261,18 +25979,18 @@ static void decode_opc_mxu__pool15(CPUMIPSState *env, DisasContext *ctx) * | SPECIAL2 | s3 |0 0|x x x| XRc | XRb | XRa |MXU__POOL16| * +-----------+-----+---+-----+-------+-------+-------+-----------+ * - * S32NOR, S32AND, S32OR, S32XOR: - * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 - * +-----------+---------+-----+-------+-------+-------+-----------+ - * | SPECIAL2 |0 0 0 0 0|x x x| XRc | XRb | XRa |MXU__POOL16| - * +-----------+---------+-----+-------+-------+-------+-----------+ - * * S32LUI: * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 * +-----------+-----+---+-----+-------+---------------+-----------+ * | SPECIAL2 |optn3|0 0|x x x| XRc | s8 |MXU__POOL16| * +-----------+-----+---+-----+-------+---------------+-----------+ * + * S32NOR, S32AND, S32OR, S32XOR: + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+-----+-------+-------+-------+-----------+ + * | SPECIAL2 |0 0 0 0 0|x x x| XRc | XRb | XRa |MXU__POOL16| + * +-----------+---------+-----+-------+-------+-------+-----------+ + * */ static void decode_opc_mxu__pool16(CPUMIPSState *env, DisasContext *ctx) { @@ -25290,33 +26008,70 @@ static void decode_opc_mxu__pool16(CPUMIPSState *env, DisasContext *ctx) generate_exception_end(ctx, EXCP_RI); break; case OPC_MXU_S32ALNI: - /* TODO: Implement emulation of S32ALNI instruction. */ - MIPS_INVAL("OPC_MXU_S32ALNI"); + gen_mxu_S32ALNI(ctx); + break; + case OPC_MXU_S32LUI: + /* TODO: Implement emulation of S32LUI instruction. */ + MIPS_INVAL("OPC_MXU_S32LUI"); generate_exception_end(ctx, EXCP_RI); break; case OPC_MXU_S32NOR: - /* TODO: Implement emulation of S32NOR instruction. */ - MIPS_INVAL("OPC_MXU_S32NOR"); - generate_exception_end(ctx, EXCP_RI); + gen_mxu_S32NOR(ctx); break; case OPC_MXU_S32AND: - /* TODO: Implement emulation of S32AND instruction. */ - MIPS_INVAL("OPC_MXU_S32AND"); - generate_exception_end(ctx, EXCP_RI); + gen_mxu_S32AND(ctx); break; case OPC_MXU_S32OR: - /* TODO: Implement emulation of S32OR instruction. */ - MIPS_INVAL("OPC_MXU_S32OR"); - generate_exception_end(ctx, EXCP_RI); + gen_mxu_S32OR(ctx); break; case OPC_MXU_S32XOR: - /* TODO: Implement emulation of S32XOR instruction. */ - MIPS_INVAL("OPC_MXU_S32XOR"); + gen_mxu_S32XOR(ctx); + break; + default: + MIPS_INVAL("decode_opc_mxu"); generate_exception_end(ctx, EXCP_RI); break; - case OPC_MXU_S32LUI: - /* TODO: Implement emulation of S32LUI instruction. */ - MIPS_INVAL("OPC_MXU_S32LUI"); + } +} + +/* + * + * Decode MXU pool17 + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+---------+---+---------+-----+-----------+ + * | SPECIAL2 | rs | rt |0 0| rd |x x x|MXU__POOL15| + * +-----------+---------+---------+---+---------+-----+-----------+ + * + */ +static void decode_opc_mxu__pool17(CPUMIPSState *env, DisasContext *ctx) +{ + uint32_t opcode = extract32(ctx->opcode, 6, 2); + + switch (opcode) { + case OPC_MXU_LXW: + /* TODO: Implement emulation of LXW instruction. */ + MIPS_INVAL("OPC_MXU_LXW"); + generate_exception_end(ctx, EXCP_RI); + break; + case OPC_MXU_LXH: + /* TODO: Implement emulation of LXH instruction. */ + MIPS_INVAL("OPC_MXU_LXH"); + generate_exception_end(ctx, EXCP_RI); + break; + case OPC_MXU_LXHU: + /* TODO: Implement emulation of LXHU instruction. */ + MIPS_INVAL("OPC_MXU_LXHU"); + generate_exception_end(ctx, EXCP_RI); + break; + case OPC_MXU_LXB: + /* TODO: Implement emulation of LXB instruction. */ + MIPS_INVAL("OPC_MXU_LXB"); + generate_exception_end(ctx, EXCP_RI); + break; + case OPC_MXU_LXBU: + /* TODO: Implement emulation of LXBU instruction. */ + MIPS_INVAL("OPC_MXU_LXBU"); generate_exception_end(ctx, EXCP_RI); break; default: @@ -25325,18 +26080,17 @@ static void decode_opc_mxu__pool16(CPUMIPSState *env, DisasContext *ctx) break; } } - /* * - * Decode MXU pool17 + * Decode MXU pool18 * * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 * +-----------+---------+-----+-------+-------+-------+-----------+ - * | SPECIAL2 | rb |x x x| XRd | XRa |0 0 0 0|MXU__POOL17| + * | SPECIAL2 | rb |x x x| XRd | XRa |0 0 0 0|MXU__POOL18| * +-----------+---------+-----+-------+-------+-------+-----------+ * */ -static void decode_opc_mxu__pool17(CPUMIPSState *env, DisasContext *ctx) +static void decode_opc_mxu__pool18(CPUMIPSState *env, DisasContext *ctx) { uint32_t opcode = extract32(ctx->opcode, 18, 3); @@ -25380,15 +26134,15 @@ static void decode_opc_mxu__pool17(CPUMIPSState *env, DisasContext *ctx) /* * - * Decode MXU pool18 + * Decode MXU pool19 * * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 * +-----------+---+---+-------+-------+-------+-------+-----------+ - * | SPECIAL2 |0 0|x x| XRd | XRc | XRb | XRa |MXU__POOL18| + * | SPECIAL2 |0 0|x x| XRd | XRc | XRb | XRa |MXU__POOL19| * +-----------+---+---+-------+-------+-------+-------+-----------+ * */ -static void decode_opc_mxu__pool18(CPUMIPSState *env, DisasContext *ctx) +static void decode_opc_mxu__pool19(CPUMIPSState *env, DisasContext *ctx) { uint32_t opcode = extract32(ctx->opcode, 22, 2); @@ -25406,15 +26160,15 @@ static void decode_opc_mxu__pool18(CPUMIPSState *env, DisasContext *ctx) /* * - * Decode MXU pool19 + * Decode MXU pool20 * * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 * +-----------+---------+-----+-------+-------+-------+-----------+ - * | SPECIAL2 |0 0 0 0 0|x x x| XRc | XRb | XRa |MXU__POOL19| + * | SPECIAL2 |0 0 0 0 0|x x x| XRc | XRb | XRa |MXU__POOL20| * +-----------+---------+-----+-------+-------+-------+-----------+ * */ -static void decode_opc_mxu__pool19(CPUMIPSState *env, DisasContext *ctx) +static void decode_opc_mxu__pool20(CPUMIPSState *env, DisasContext *ctx) { uint32_t opcode = extract32(ctx->opcode, 18, 3); @@ -25458,15 +26212,15 @@ static void decode_opc_mxu__pool19(CPUMIPSState *env, DisasContext *ctx) /* * - * Decode MXU pool20 + * Decode MXU pool21 * * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 * +-----------+---+---+-------+-------+-------+-------+-----------+ - * | SPECIAL2 |an2|x x| XRd | XRc | XRb | XRa |MXU__POOL20| + * | SPECIAL2 |an2|x x| XRd | XRc | XRb | XRa |MXU__POOL21| * +-----------+---+---+-------+-------+-------+-------+-----------+ * */ -static void decode_opc_mxu__pool20(CPUMIPSState *env, DisasContext *ctx) +static void decode_opc_mxu__pool21(CPUMIPSState *env, DisasContext *ctx) { uint32_t opcode = extract32(ctx->opcode, 22, 2); @@ -25669,10 +26423,8 @@ static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx) case OPC_MXU__POOL16: decode_opc_mxu__pool16(env, ctx); break; - case OPC_MXU_LXB: - /* TODO: Implement emulation of LXB instruction. */ - MIPS_INVAL("OPC_MXU_LXB"); - generate_exception_end(ctx, EXCP_RI); + case OPC_MXU__POOL17: + decode_opc_mxu__pool17(env, ctx); break; case OPC_MXU_S16LDD: /* TODO: Implement emulation of S16LDD instruction. */ @@ -25724,23 +26476,23 @@ static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx) MIPS_INVAL("OPC_MXU_Q16SLR"); generate_exception_end(ctx, EXCP_RI); break; - case OPC_MXU__POOL17: - decode_opc_mxu__pool17(env, ctx); + case OPC_MXU__POOL18: + decode_opc_mxu__pool18(env, ctx); break; case OPC_MXU_Q16SAR: /* TODO: Implement emulation of Q16SAR instruction. */ MIPS_INVAL("OPC_MXU_Q16SAR"); generate_exception_end(ctx, EXCP_RI); break; - case OPC_MXU__POOL18: - decode_opc_mxu__pool18(env, ctx); - break; case OPC_MXU__POOL19: decode_opc_mxu__pool19(env, ctx); break; case OPC_MXU__POOL20: decode_opc_mxu__pool20(env, ctx); break; + case OPC_MXU__POOL21: + decode_opc_mxu__pool21(env, ctx); + break; case OPC_MXU_Q16SCOP: /* TODO: Implement emulation of Q16SCOP instruction. */ MIPS_INVAL("OPC_MXU_Q16SCOP"); @@ -25771,6 +26523,8 @@ static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx) } } +#endif /* !defined(TARGET_MIPS64) */ + static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx) { @@ -26620,6 +27374,10 @@ static void decode_mmi(CPUMIPSState *env, DisasContext *ctx) break; case MMI_OPC_MULT1: case MMI_OPC_MULTU1: + case MMI_OPC_MADD: + case MMI_OPC_MADDU: + case MMI_OPC_MADD1: + case MMI_OPC_MADDU1: gen_mul_txx9(ctx, opc, rd, rs, rt); break; case MMI_OPC_DIV1: @@ -26634,11 +27392,7 @@ static void decode_mmi(CPUMIPSState *env, DisasContext *ctx) case MMI_OPC_MFHI1: gen_HILO1_tx79(ctx, opc, rd); break; - case MMI_OPC_MADD: /* TODO: MMI_OPC_MADD */ - case MMI_OPC_MADDU: /* TODO: MMI_OPC_MADDU */ case MMI_OPC_PLZCW: /* TODO: MMI_OPC_PLZCW */ - case MMI_OPC_MADD1: /* TODO: MMI_OPC_MADD1 */ - case MMI_OPC_MADDU1: /* TODO: MMI_OPC_MADDU1 */ case MMI_OPC_PMFHL: /* TODO: MMI_OPC_PMFHL */ case MMI_OPC_PMTHL: /* TODO: MMI_OPC_PMTHL */ case MMI_OPC_PSLLH: /* TODO: MMI_OPC_PSLLH */ @@ -28015,8 +28769,10 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) case OPC_SPECIAL2: if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) { decode_mmi(env, ctx); +#if !defined(TARGET_MIPS64) } else if (ctx->insn_flags & ASE_MXU) { decode_opc_mxu(env, ctx); +#endif } else { decode_opc_special2_legacy(env, ctx); } @@ -29025,7 +29781,7 @@ void mips_tcg_init(void) fpu_fcr31 = tcg_global_mem_new_i32(cpu_env, offsetof(CPUMIPSState, active_fpu.fcr31), "fcr31"); - +#if !defined(TARGET_MIPS64) for (i = 0; i < NUMBER_OF_MXU_REGISTERS - 1; i++) { mxu_gpr[i] = tcg_global_mem_new(cpu_env, offsetof(CPUMIPSState, @@ -29036,6 +29792,7 @@ void mips_tcg_init(void) mxu_CR = tcg_global_mem_new(cpu_env, offsetof(CPUMIPSState, active_tc.mxu_cr), mxuregnames[NUMBER_OF_MXU_REGISTERS - 1]); +#endif } #include "translate_init.inc.c" |