diff options
| -rw-r--r-- | target/mips/cpu-defs.c.inc | 16 | ||||
| -rw-r--r-- | target/mips/cpu.h | 7 | ||||
| -rw-r--r-- | target/mips/mips-defs.h | 2 | ||||
| -rw-r--r-- | target/mips/sysemu/machine.c | 9 | ||||
| -rw-r--r-- | target/mips/tcg/godson2.decode | 27 | ||||
| -rw-r--r-- | target/mips/tcg/loong-ext.decode | 28 | ||||
| -rw-r--r-- | target/mips/tcg/loong_translate.c | 271 | ||||
| -rw-r--r-- | target/mips/tcg/meson.build | 3 | ||||
| -rw-r--r-- | target/mips/tcg/micromips_translate.c.inc | 5 | ||||
| -rw-r--r-- | target/mips/tcg/translate.c | 415 | ||||
| -rw-r--r-- | target/mips/tcg/translate.h | 8 |
11 files changed, 452 insertions, 339 deletions
diff --git a/target/mips/cpu-defs.c.inc b/target/mips/cpu-defs.c.inc index fbf787d8ce..922fc39138 100644 --- a/target/mips/cpu-defs.c.inc +++ b/target/mips/cpu-defs.c.inc @@ -314,7 +314,7 @@ const mips_def_t mips_defs[] = (0x3fe << CP0SRSC4_SRS14) | (0x3fe << CP0SRSC4_SRS13), .SEGBITS = 32, .PABITS = 32, - .insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_MT, + .insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP, .mmu_type = MMU_TYPE_R4000, }, { @@ -478,14 +478,15 @@ const mips_def_t mips_defs[] = (2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) | (0 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP), .CP0_Config2 = MIPS_CONFIG2, - .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_BP) | (1 << CP0C3_BI) | + .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_MSAP) | + (1 << CP0C3_BP) | (1 << CP0C3_BI) | (2 << CP0C3_ISA) | (1 << CP0C3_ULRI) | (1 << CP0C3_RXI) | (1U << CP0C3_M), .CP0_Config4 = MIPS_CONFIG4 | (0xfc << CP0C4_KScrExist) | (3 << CP0C4_IE) | (1U << CP0C4_M), .CP0_Config5 = MIPS_CONFIG5 | (1 << CP0C5_XNP) | (1 << CP0C5_LLB), - .CP0_Config5_rw_bitmask = (1 << CP0C5_SBRI) | (1 << CP0C5_FRE) | - (1 << CP0C5_UFE), + .CP0_Config5_rw_bitmask = (1 << CP0C5_MSAEn) | (1 << CP0C5_UFE) | + (1 << CP0C5_FRE) | (1 << CP0C5_SBRI), .CP0_LLAddr_rw_bitmask = 0, .CP0_LLAddr_shift = 0, .SYNCI_Step = 32, @@ -499,6 +500,7 @@ const mips_def_t mips_defs[] = (1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV), .CP1_fcr31 = (1 << FCR31_ABS2008) | (1 << FCR31_NAN2008), .CP1_fcr31_rw_bitmask = 0x0103FFFF, + .MSAIR = 0x03 << MSAIR_ProcID, .SEGBITS = 32, .PABITS = 32, .insn_flags = CPU_MIPS32R6 | ASE_MICROMIPS, @@ -541,7 +543,7 @@ const mips_def_t mips_defs[] = .SEGBITS = 32, .PABITS = 32, .insn_flags = CPU_MIPS32R6 | ISA_NANOMIPS32 | - ASE_DSP | ASE_DSP_R2 | ASE_DSP_R3 | ASE_MT, + ASE_DSP | ASE_DSP_R2 | ASE_DSP_R3, .mmu_type = MMU_TYPE_R4000, }, #if defined(TARGET_MIPS64) @@ -661,7 +663,7 @@ const mips_def_t mips_defs[] = .CP1_fcr31_rw_bitmask = 0xFF83FFFF, .SEGBITS = 40, .PABITS = 36, - .insn_flags = CPU_MIPS64R1 | ASE_MIPS3D, + .insn_flags = CPU_MIPS64R1, .mmu_type = MMU_TYPE_R4000, }, { @@ -690,7 +692,7 @@ const mips_def_t mips_defs[] = .CP1_fcr31_rw_bitmask = 0xFF83FFFF, .SEGBITS = 42, .PABITS = 36, - .insn_flags = CPU_MIPS64R2 | ASE_MIPS3D, + .insn_flags = CPU_MIPS64R2, .mmu_type = MMU_TYPE_R4000, }, { diff --git a/target/mips/cpu.h b/target/mips/cpu.h index a4a46ebbe9..f6877ece8b 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -530,7 +530,6 @@ typedef struct CPUArchState { CPUMIPSFPUContext active_fpu; uint32_t current_tc; - uint32_t current_fpu; uint32_t SEGBITS; uint32_t PABITS; @@ -1319,6 +1318,12 @@ bool cpu_type_supports_cps_smp(const char *cpu_type); bool cpu_supports_isa(const CPUMIPSState *env, uint64_t isa_mask); bool cpu_type_supports_isa(const char *cpu_type, uint64_t isa); +/* Check presence of MIPS-3D ASE */ +static inline bool ase_3d_available(const CPUMIPSState *env) +{ + return env->active_fpu.fcr0 & (1 << FCR0_3D); +} + /* Check presence of MSA implementation */ static inline bool ase_msa_available(CPUMIPSState *env) { diff --git a/target/mips/mips-defs.h b/target/mips/mips-defs.h index a6cebe0265..9d4d292586 100644 --- a/target/mips/mips-defs.h +++ b/target/mips/mips-defs.h @@ -26,12 +26,10 @@ * bits 24-39: MIPS ASEs */ #define ASE_MIPS16 0x0000000001000000ULL -#define ASE_MIPS3D 0x0000000002000000ULL #define ASE_MDMX 0x0000000004000000ULL #define ASE_DSP 0x0000000008000000ULL #define ASE_DSP_R2 0x0000000010000000ULL #define ASE_DSP_R3 0x0000000020000000ULL -#define ASE_MT 0x0000000040000000ULL #define ASE_SMARTMIPS 0x0000000080000000ULL #define ASE_MICROMIPS 0x0000000100000000ULL /* diff --git a/target/mips/sysemu/machine.c b/target/mips/sysemu/machine.c index 213fd637fc..8af11fd896 100644 --- a/target/mips/sysemu/machine.c +++ b/target/mips/sysemu/machine.c @@ -142,6 +142,7 @@ static int get_tlb(QEMUFile *f, void *pv, size_t size, qemu_get_betls(f, &v->VPN); qemu_get_be32s(f, &v->PageMask); qemu_get_be16s(f, &v->ASID); + qemu_get_be32s(f, &v->MMID); qemu_get_be16s(f, &flags); v->G = (flags >> 10) & 1; v->C0 = (flags >> 7) & 3; @@ -167,6 +168,7 @@ static int put_tlb(QEMUFile *f, void *pv, size_t size, r4k_tlb_t *v = pv; uint16_t asid = v->ASID; + uint32_t mmid = v->MMID; uint16_t flags = ((v->EHINV << 15) | (v->RI1 << 14) | (v->RI0 << 13) | @@ -183,6 +185,7 @@ static int put_tlb(QEMUFile *f, void *pv, size_t size, qemu_put_betls(f, &v->VPN); qemu_put_be32s(f, &v->PageMask); qemu_put_be16s(f, &asid); + qemu_put_be32s(f, &mmid); qemu_put_be16s(f, &flags); qemu_put_be64s(f, &v->PFN[0]); qemu_put_be64s(f, &v->PFN[1]); @@ -204,8 +207,8 @@ static const VMStateInfo vmstate_info_tlb = { static const VMStateDescription vmstate_tlb = { .name = "cpu/tlb", - .version_id = 2, - .minimum_version_id = 2, + .version_id = 3, + .minimum_version_id = 3, .fields = (const VMStateField[]) { VMSTATE_UINT32(nb_tlb, CPUMIPSTLBContext), VMSTATE_UINT32(tlb_in_use, CPUMIPSTLBContext), @@ -239,7 +242,7 @@ const VMStateDescription vmstate_mips_cpu = { /* CPU metastate */ VMSTATE_UINT32(env.current_tc, MIPSCPU), - VMSTATE_UINT32(env.current_fpu, MIPSCPU), + VMSTATE_UNUSED(sizeof(uint32_t)), /* was current_fpu */ VMSTATE_INT32(env.error_code, MIPSCPU), VMSTATE_UINTTL(env.btarget, MIPSCPU), VMSTATE_UINTTL(env.bcond, MIPSCPU), diff --git a/target/mips/tcg/godson2.decode b/target/mips/tcg/godson2.decode new file mode 100644 index 0000000000..25b396b682 --- /dev/null +++ b/target/mips/tcg/godson2.decode @@ -0,0 +1,27 @@ +# Godson2 64-bit Integer instructions +# +# Copyright (C) 2021 Philippe Mathieu-Daudé +# +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# Reference: +# Godson-2E Software Manual +# (Document Number: godson2e-user-manual-V0.6) +# + +&muldiv rs rt rd + +@rs_rt_rd ...... rs:5 rt:5 rd:5 ..... ...... &muldiv + +MULTu_G 011111 ..... ..... ..... 00000 01100- @rs_rt_rd +DMULTu_G 011111 ..... ..... ..... 00000 01110- @rs_rt_rd + +DIV_G 011111 ..... ..... ..... 00000 011010 @rs_rt_rd +DIVU_G 011111 ..... ..... ..... 00000 011011 @rs_rt_rd +DDIV_G 011111 ..... ..... ..... 00000 011110 @rs_rt_rd +DDIVU_G 011111 ..... ..... ..... 00000 011111 @rs_rt_rd + +MOD_G 011111 ..... ..... ..... 00000 100010 @rs_rt_rd +MODU_G 011111 ..... ..... ..... 00000 100011 @rs_rt_rd +DMOD_G 011111 ..... ..... ..... 00000 100110 @rs_rt_rd +DMODU_G 011111 ..... ..... ..... 00000 100111 @rs_rt_rd diff --git a/target/mips/tcg/loong-ext.decode b/target/mips/tcg/loong-ext.decode new file mode 100644 index 0000000000..b43979d0ef --- /dev/null +++ b/target/mips/tcg/loong-ext.decode @@ -0,0 +1,28 @@ +# Loongson 64-bit Extension instructions +# +# Copyright (C) 2021 Philippe Mathieu-Daudé +# +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# Reference: +# STLS2F01 User Manual +# Appendix A: new integer instructions +# (Document Number: UM0447) +# + +&muldiv rs rt rd !extern + +@rs_rt_rd ...... rs:5 rt:5 rd:5 ..... ...... &muldiv + +MULTu_G 011100 ..... ..... ..... 00000 0100-0 @rs_rt_rd +DMULTu_G 011100 ..... ..... ..... 00000 0100-1 @rs_rt_rd + +DIV_G 011100 ..... ..... ..... 00000 010100 @rs_rt_rd +DDIV_G 011100 ..... ..... ..... 00000 010101 @rs_rt_rd +DIVU_G 011100 ..... ..... ..... 00000 010110 @rs_rt_rd +DDIVU_G 011100 ..... ..... ..... 00000 010111 @rs_rt_rd + +MOD_G 011100 ..... ..... ..... 00000 011100 @rs_rt_rd +DMOD_G 011100 ..... ..... ..... 00000 011101 @rs_rt_rd +MODU_G 011100 ..... ..... ..... 00000 011110 @rs_rt_rd +DMODU_G 011100 ..... ..... ..... 00000 011111 @rs_rt_rd diff --git a/target/mips/tcg/loong_translate.c b/target/mips/tcg/loong_translate.c new file mode 100644 index 0000000000..7d74cc34f8 --- /dev/null +++ b/target/mips/tcg/loong_translate.c @@ -0,0 +1,271 @@ +/* + * MIPS Loongson 64-bit translation routines + * + * Copyright (c) 2004-2005 Jocelyn Mayer + * Copyright (c) 2006 Marius Groeger (FPU operations) + * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) + * Copyright (c) 2011 Richard Henderson <rth@twiddle.net> + * Copyright (c) 2021 Philippe Mathieu-Daudé + * + * This code is licensed under the GNU GPLv2 and later. + */ + +#include "qemu/osdep.h" +#include "translate.h" + +/* Include the auto-generated decoder. */ +#include "decode-godson2.c.inc" +#include "decode-loong-ext.c.inc" + +/* + * Word or double-word Fixed-point instructions. + * --------------------------------------------- + * + * Fixed-point multiplies and divisions write only + * one result into general-purpose registers. + */ + +static bool gen_lext_DIV_G(DisasContext *s, int rd, int rs, int rt, + bool is_double) +{ + TCGv t0, t1; + TCGLabel *l1, *l2, *l3; + + if (rd == 0) { + /* Treat as NOP. */ + return true; + } + + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + l1 = gen_new_label(); + l2 = gen_new_label(); + l3 = gen_new_label(); + + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + + if (!is_double) { + tcg_gen_ext32s_tl(t0, t0); + tcg_gen_ext32s_tl(t1, t1); + } + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l3); + gen_set_label(l1); + + tcg_gen_brcondi_tl(TCG_COND_NE, t0, is_double ? LLONG_MIN : INT_MIN, l2); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); + tcg_gen_mov_tl(cpu_gpr[rd], t0); + + tcg_gen_br(l3); + gen_set_label(l2); + tcg_gen_div_tl(cpu_gpr[rd], t0, t1); + if (!is_double) { + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + } + gen_set_label(l3); + + return true; +} + +static bool trans_DIV_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_DIV_G(s, a->rd, a->rs, a->rt, false); +} + +static bool trans_DDIV_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_DIV_G(s, a->rd, a->rs, a->rt, true); +} + +static bool gen_lext_DIVU_G(DisasContext *s, int rd, int rs, int rt, + bool is_double) +{ + TCGv t0, t1; + TCGLabel *l1, *l2; + + if (rd == 0) { + /* Treat as NOP. */ + return true; + } + + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + l1 = gen_new_label(); + l2 = gen_new_label(); + + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + + if (!is_double) { + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + } + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); + if (!is_double) { + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + } + gen_set_label(l2); + + return true; +} + +static bool trans_DIVU_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_DIVU_G(s, a->rd, a->rs, a->rt, false); +} + +static bool trans_DDIVU_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_DIVU_G(s, a->rd, a->rs, a->rt, true); +} + +static bool gen_lext_MOD_G(DisasContext *s, int rd, int rs, int rt, + bool is_double) +{ + TCGv t0, t1; + TCGLabel *l1, *l2, *l3; + + if (rd == 0) { + /* Treat as NOP. */ + return true; + } + + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + l1 = gen_new_label(); + l2 = gen_new_label(); + l3 = gen_new_label(); + + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + + if (!is_double) { + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + } + tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); + tcg_gen_brcondi_tl(TCG_COND_NE, t0, is_double ? LLONG_MIN : INT_MIN, l2); + tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); + gen_set_label(l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l3); + gen_set_label(l2); + tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); + if (!is_double) { + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + } + gen_set_label(l3); + + return true; +} + +static bool trans_MOD_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_MOD_G(s, a->rd, a->rs, a->rt, false); +} + +static bool trans_DMOD_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_MOD_G(s, a->rd, a->rs, a->rt, true); +} + +static bool gen_lext_MODU_G(DisasContext *s, int rd, int rs, int rt, + bool is_double) +{ + TCGv t0, t1; + TCGLabel *l1, *l2; + + if (rd == 0) { + /* Treat as NOP. */ + return true; + } + + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + l1 = gen_new_label(); + l2 = gen_new_label(); + + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + + if (!is_double) { + tcg_gen_ext32u_tl(t0, t0); + tcg_gen_ext32u_tl(t1, t1); + } + tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rd], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); + if (!is_double) { + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + } + gen_set_label(l2); + + return true; +} + +static bool trans_MODU_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_MODU_G(s, a->rd, a->rs, a->rt, false); +} + +static bool trans_DMODU_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_MODU_G(s, a->rd, a->rs, a->rt, true); +} + +static bool gen_lext_MULT_G(DisasContext *s, int rd, int rs, int rt, + bool is_double) +{ + TCGv t0, t1; + + if (rd == 0) { + /* Treat as NOP. */ + return true; + } + + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + + tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); + if (!is_double) { + tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); + } + + return true; +} + +static bool trans_MULTu_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_MULT_G(s, a->rd, a->rs, a->rt, false); +} + +static bool trans_DMULTu_G(DisasContext *s, arg_muldiv *a) +{ + return gen_lext_MULT_G(s, a->rd, a->rs, a->rt, true); +} + +bool decode_ext_loongson(DisasContext *ctx, uint32_t insn) +{ + if (!decode_64bit_enabled(ctx)) { + return false; + } + if ((ctx->insn_flags & INSN_LOONGSON2E) && decode_godson2(ctx, ctx->opcode)) { + return true; + } + if ((ctx->insn_flags & ASE_LEXT) && decode_loong_ext(ctx, ctx->opcode)) { + return true; + } + return false; +} diff --git a/target/mips/tcg/meson.build b/target/mips/tcg/meson.build index ea7fb582f2..7b18e6c4c8 100644 --- a/target/mips/tcg/meson.build +++ b/target/mips/tcg/meson.build @@ -5,6 +5,8 @@ gen = [ decodetree.process('vr54xx.decode', extra_args: '--decode=decode_ext_vr54xx'), decodetree.process('octeon.decode', extra_args: '--decode=decode_ext_octeon'), decodetree.process('lcsr.decode', extra_args: '--decode=decode_ase_lcsr'), + decodetree.process('godson2.decode', extra_args: ['--static-decode=decode_godson2']), + decodetree.process('loong-ext.decode', extra_args: ['--static-decode=decode_loong_ext']), ] mips_ss.add(gen) @@ -28,6 +30,7 @@ mips_ss.add(when: 'TARGET_MIPS64', if_true: files( 'tx79_translate.c', 'octeon_translate.c', 'lcsr_translate.c', + 'loong_translate.c', ), if_false: files( 'mxu_translate.c', )) diff --git a/target/mips/tcg/micromips_translate.c.inc b/target/mips/tcg/micromips_translate.c.inc index 3cbf53bf2b..c479bec108 100644 --- a/target/mips/tcg/micromips_translate.c.inc +++ b/target/mips/tcg/micromips_translate.c.inc @@ -2484,7 +2484,10 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx) mips32_op = OPC_BC1TANY4; do_cp1mips3d: check_cop1x(ctx); - check_insn(ctx, ASE_MIPS3D); + if (!ase_3d_available(env)) { + gen_reserved_instruction(ctx); + break; + } /* Fall through */ do_cp1branch: if (env->CP0_Config1 & (1 << CP0C1_FP)) { diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index d92fc418ed..de7045874d 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -327,19 +327,6 @@ enum { OPC_MUL = 0x02 | OPC_SPECIAL2, OPC_MSUB = 0x04 | OPC_SPECIAL2, OPC_MSUBU = 0x05 | OPC_SPECIAL2, - /* Loongson 2F */ - OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2, - OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2, - OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2, - OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2, - OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2, - OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2, - OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2, - OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2, - OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2, - OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2, - OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2, - OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2, /* Misc */ OPC_CLZ = 0x20 | OPC_SPECIAL2, OPC_CLO = 0x21 | OPC_SPECIAL2, @@ -368,20 +355,6 @@ enum { OPC_RDHWR = 0x3B | OPC_SPECIAL3, OPC_GINV = 0x3D | OPC_SPECIAL3, - /* Loongson 2E */ - OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3, - OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3, - OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3, - OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3, - OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3, - OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3, - OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3, - OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3, - OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3, - OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3, - OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3, - OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3, - /* MIPS DSP Load */ OPC_LX_DSP = 0x0A | OPC_SPECIAL3, /* MIPS DSP Arithmetic */ @@ -389,16 +362,14 @@ enum { OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3, OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3, OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3, - /* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */ - /* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */ + OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3, OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3, /* MIPS DSP GPR-Based Shift Sub-class */ OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3, OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3, /* MIPS DSP Multiply Sub-class insns */ - /* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */ - /* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */ + OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3, OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3, /* DSP Bit/Manipulation Sub-class */ @@ -556,7 +527,6 @@ enum { OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP, }; -#define OPC_ADDUH_QB_DSP OPC_MULT_G_2E #define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) enum { /* MIPS DSP Arithmetic Sub-class */ @@ -1645,13 +1615,18 @@ static inline void check_ps(DisasContext *ctx) check_cp1_64bitmode(ctx); } +bool decode_64bit_enabled(DisasContext *ctx) +{ + return ctx->hflags & MIPS_HFLAG_64; +} + /* * This code generates a "reserved instruction" exception if cpu is not * 64-bit or 64-bit instructions are not enabled. */ void check_mips_64(DisasContext *ctx) { - if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) { + if (unlikely((TARGET_LONG_BITS != 64) || !decode_64bit_enabled(ctx))) { gen_reserved_instruction(ctx); } } @@ -3586,184 +3561,6 @@ static void gen_cl(DisasContext *ctx, uint32_t opc, } } -/* Godson integer instructions */ -static void gen_loongson_integer(DisasContext *ctx, uint32_t opc, - int rd, int rs, int rt) -{ - TCGv t0, t1; - - if (rd == 0) { - /* Treat as NOP. */ - return; - } - - t0 = tcg_temp_new(); - t1 = tcg_temp_new(); - gen_load_gpr(t0, rs); - gen_load_gpr(t1, rt); - - switch (opc) { - case OPC_MULT_G_2E: - case OPC_MULT_G_2F: - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - break; - case OPC_MULTU_G_2E: - case OPC_MULTU_G_2F: - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - break; - case OPC_DIV_G_2E: - case OPC_DIV_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - TCGLabel *l3 = gen_new_label(); - tcg_gen_ext32s_tl(t0, t0); - tcg_gen_ext32s_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); - tcg_gen_mov_tl(cpu_gpr[rd], t0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_div_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l3); - } - break; - case OPC_DIVU_G_2E: - case OPC_DIVU_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l2); - } - break; - case OPC_MOD_G_2E: - case OPC_MOD_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - TCGLabel *l3 = gen_new_label(); - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); - gen_set_label(l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l3); - } - break; - case OPC_MODU_G_2E: - case OPC_MODU_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - tcg_gen_ext32u_tl(t0, t0); - tcg_gen_ext32u_tl(t1, t1); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); - tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); - gen_set_label(l2); - } - break; -#if defined(TARGET_MIPS64) - case OPC_DMULT_G_2E: - case OPC_DMULT_G_2F: - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - break; - case OPC_DMULTU_G_2E: - case OPC_DMULTU_G_2F: - tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); - break; - case OPC_DDIV_G_2E: - case OPC_DDIV_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - TCGLabel *l3 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); - tcg_gen_mov_tl(cpu_gpr[rd], t0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_div_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l3); - } - break; - case OPC_DDIVU_G_2E: - case OPC_DDIVU_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l2); - } - break; - case OPC_DMOD_G_2E: - case OPC_DMOD_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - TCGLabel *l3 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); - gen_set_label(l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l3); - } - break; - case OPC_DMODU_G_2E: - case OPC_DMODU_G_2F: - { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); - tcg_gen_movi_tl(cpu_gpr[rd], 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); - gen_set_label(l2); - } - break; -#endif - } -} - /* Loongson multimedia instructions */ static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt) { @@ -5315,17 +5112,17 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Index"; break; case CP0_REG00__MVPCONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_mvpcontrol(arg, tcg_env); register_name = "MVPControl"; break; case CP0_REG00__MVPCONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_mvpconf0(arg, tcg_env); register_name = "MVPConf0"; break; case CP0_REG00__MVPCONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_mvpconf1(arg, tcg_env); register_name = "MVPConf1"; break; @@ -5346,37 +5143,37 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Random"; break; case CP0_REG01__VPECONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); register_name = "VPEControl"; break; case CP0_REG01__VPECONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); register_name = "VPEConf0"; break; case CP0_REG01__VPECONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); register_name = "VPEConf1"; break; case CP0_REG01__YQMASK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask)); register_name = "YQMask"; break; case CP0_REG01__VPESCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule)); register_name = "VPESchedule"; break; case CP0_REG01__VPESCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack)); register_name = "VPEScheFBack"; break; case CP0_REG01__VPEOPT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); register_name = "VPEOpt"; break; @@ -5403,37 +5200,37 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "EntryLo0"; break; case CP0_REG02__TCSTATUS: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tcstatus(arg, tcg_env); register_name = "TCStatus"; break; case CP0_REG02__TCBIND: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tcbind(arg, tcg_env); register_name = "TCBind"; break; case CP0_REG02__TCRESTART: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tcrestart(arg, tcg_env); register_name = "TCRestart"; break; case CP0_REG02__TCHALT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tchalt(arg, tcg_env); register_name = "TCHalt"; break; case CP0_REG02__TCCONTEXT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tccontext(arg, tcg_env); register_name = "TCContext"; break; case CP0_REG02__TCSCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tcschedule(arg, tcg_env); register_name = "TCSchedule"; break; case CP0_REG02__TCSCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tcschefback(arg, tcg_env); register_name = "TCScheFBack"; break; @@ -6072,17 +5869,17 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Index"; break; case CP0_REG00__MVPCONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_mvpcontrol(tcg_env, arg); register_name = "MVPControl"; break; case CP0_REG00__MVPCONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); /* ignored */ register_name = "MVPConf0"; break; case CP0_REG00__MVPCONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); /* ignored */ register_name = "MVPConf1"; break; @@ -6102,39 +5899,39 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Random"; break; case CP0_REG01__VPECONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpecontrol(tcg_env, arg); register_name = "VPEControl"; break; case CP0_REG01__VPECONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpeconf0(tcg_env, arg); register_name = "VPEConf0"; break; case CP0_REG01__VPECONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpeconf1(tcg_env, arg); register_name = "VPEConf1"; break; case CP0_REG01__YQMASK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_yqmask(tcg_env, arg); register_name = "YQMask"; break; case CP0_REG01__VPESCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_VPESchedule)); register_name = "VPESchedule"; break; case CP0_REG01__VPESCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_VPEScheFBack)); register_name = "VPEScheFBack"; break; case CP0_REG01__VPEOPT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpeopt(tcg_env, arg); register_name = "VPEOpt"; break; @@ -6149,37 +5946,37 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "EntryLo0"; break; case CP0_REG02__TCSTATUS: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcstatus(tcg_env, arg); register_name = "TCStatus"; break; case CP0_REG02__TCBIND: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcbind(tcg_env, arg); register_name = "TCBind"; break; case CP0_REG02__TCRESTART: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcrestart(tcg_env, arg); register_name = "TCRestart"; break; case CP0_REG02__TCHALT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tchalt(tcg_env, arg); register_name = "TCHalt"; break; case CP0_REG02__TCCONTEXT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tccontext(tcg_env, arg); register_name = "TCContext"; break; case CP0_REG02__TCSCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcschedule(tcg_env, arg); register_name = "TCSchedule"; break; case CP0_REG02__TCSCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcschefback(tcg_env, arg); register_name = "TCScheFBack"; break; @@ -6822,17 +6619,17 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Index"; break; case CP0_REG00__MVPCONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_mvpcontrol(arg, tcg_env); register_name = "MVPControl"; break; case CP0_REG00__MVPCONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_mvpconf0(arg, tcg_env); register_name = "MVPConf0"; break; case CP0_REG00__MVPCONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_mvpconf1(arg, tcg_env); register_name = "MVPConf1"; break; @@ -6853,40 +6650,40 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Random"; break; case CP0_REG01__VPECONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); register_name = "VPEControl"; break; case CP0_REG01__VPECONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); register_name = "VPEConf0"; break; case CP0_REG01__VPECONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); register_name = "VPEConf1"; break; case CP0_REG01__YQMASK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_YQMask)); register_name = "YQMask"; break; case CP0_REG01__VPESCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_VPESchedule)); register_name = "VPESchedule"; break; case CP0_REG01__VPESCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_VPEScheFBack)); register_name = "VPEScheFBack"; break; case CP0_REG01__VPEOPT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); register_name = "VPEOpt"; break; @@ -6902,37 +6699,37 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "EntryLo0"; break; case CP0_REG02__TCSTATUS: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tcstatus(arg, tcg_env); register_name = "TCStatus"; break; case CP0_REG02__TCBIND: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mfc0_tcbind(arg, tcg_env); register_name = "TCBind"; break; case CP0_REG02__TCRESTART: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_dmfc0_tcrestart(arg, tcg_env); register_name = "TCRestart"; break; case CP0_REG02__TCHALT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_dmfc0_tchalt(arg, tcg_env); register_name = "TCHalt"; break; case CP0_REG02__TCCONTEXT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_dmfc0_tccontext(arg, tcg_env); register_name = "TCContext"; break; case CP0_REG02__TCSCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_dmfc0_tcschedule(arg, tcg_env); register_name = "TCSchedule"; break; case CP0_REG02__TCSCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_dmfc0_tcschefback(arg, tcg_env); register_name = "TCScheFBack"; break; @@ -7539,17 +7336,17 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Index"; break; case CP0_REG00__MVPCONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_mvpcontrol(tcg_env, arg); register_name = "MVPControl"; break; case CP0_REG00__MVPCONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); /* ignored */ register_name = "MVPConf0"; break; case CP0_REG00__MVPCONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); /* ignored */ register_name = "MVPConf1"; break; @@ -7569,39 +7366,39 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "Random"; break; case CP0_REG01__VPECONTROL: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpecontrol(tcg_env, arg); register_name = "VPEControl"; break; case CP0_REG01__VPECONF0: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpeconf0(tcg_env, arg); register_name = "VPEConf0"; break; case CP0_REG01__VPECONF1: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpeconf1(tcg_env, arg); register_name = "VPEConf1"; break; case CP0_REG01__YQMASK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_yqmask(tcg_env, arg); register_name = "YQMask"; break; case CP0_REG01__VPESCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_VPESchedule)); register_name = "VPESchedule"; break; case CP0_REG01__VPESCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_VPEScheFBack)); register_name = "VPEScheFBack"; break; case CP0_REG01__VPEOPT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_vpeopt(tcg_env, arg); register_name = "VPEOpt"; break; @@ -7616,37 +7413,37 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) register_name = "EntryLo0"; break; case CP0_REG02__TCSTATUS: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcstatus(tcg_env, arg); register_name = "TCStatus"; break; case CP0_REG02__TCBIND: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcbind(tcg_env, arg); register_name = "TCBind"; break; case CP0_REG02__TCRESTART: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcrestart(tcg_env, arg); register_name = "TCRestart"; break; case CP0_REG02__TCHALT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tchalt(tcg_env, arg); register_name = "TCHalt"; break; case CP0_REG02__TCCONTEXT: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tccontext(tcg_env, arg); register_name = "TCContext"; break; case CP0_REG02__TCSCHEDULE: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcschedule(tcg_env, arg); register_name = "TCSchedule"; break; case CP0_REG02__TCSCHEFBACK: - CP0_CHECK(ctx->insn_flags & ASE_MT); + CP0_CHECK(disas_mt_available(ctx)); gen_helper_mtc0_tcschefback(tcg_env, arg); register_name = "TCScheFBack"; break; @@ -11584,8 +11381,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_load_gpr(v2_t, v2); switch (op1) { - /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */ - case OPC_MULT_G_2E: + case OPC_ADDUH_QB_DSP: check_dsp_r2(ctx); switch (op2) { case OPC_ADDUH_QB: @@ -12268,11 +12064,7 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_load_gpr(v2_t, v2); switch (op1) { - /* - * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have - * the same mask and op1. - */ - case OPC_MULT_G_2E: + case OPC_MUL_PH_DSP: check_dsp_r2(ctx); switch (op2) { case OPC_MUL_PH: @@ -13624,15 +13416,6 @@ static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx) case OPC_MUL: gen_arith(ctx, op1, rd, rs, rt); break; - case OPC_DIV_G_2F: - case OPC_DIVU_G_2F: - case OPC_MULT_G_2F: - case OPC_MULTU_G_2F: - case OPC_MOD_G_2F: - case OPC_MODU_G_2F: - check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); - gen_loongson_integer(ctx, op1, rd, rs, rt); - break; case OPC_CLO: case OPC_CLZ: check_insn(ctx, ISA_MIPS_R1); @@ -13657,15 +13440,6 @@ static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx) check_mips_64(ctx); gen_cl(ctx, op1, rd, rs); break; - case OPC_DMULT_G_2F: - case OPC_DMULTU_G_2F: - case OPC_DDIV_G_2F: - case OPC_DDIVU_G_2F: - case OPC_DMOD_G_2F: - case OPC_DMODU_G_2F: - check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); - gen_loongson_integer(ctx, op1, rd, rs, rt); - break; #endif default: /* Invalid */ MIPS_INVAL("special2_legacy"); @@ -13798,17 +13572,12 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) op1 = MASK_SPECIAL3(ctx->opcode); switch (op1) { - case OPC_DIV_G_2E: - case OPC_DIVU_G_2E: - case OPC_MOD_G_2E: - case OPC_MODU_G_2E: - case OPC_MULT_G_2E: - case OPC_MULTU_G_2E: + case OPC_MUL_PH_DSP: /* - * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have + * OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have * the same mask and op1. */ - if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) { + if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MUL_PH_DSP)) { op2 = MASK_ADDUH_QB(ctx->opcode); switch (op2) { case OPC_ADDUH_QB: @@ -13836,8 +13605,6 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) gen_reserved_instruction(ctx); break; } - } else if (ctx->insn_flags & INSN_LOONGSON2E) { - gen_loongson_integer(ctx, op1, rd, rs, rt); } else { gen_reserved_instruction(ctx); } @@ -14066,15 +13833,6 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) } break; #if defined(TARGET_MIPS64) - case OPC_DDIV_G_2E: - case OPC_DDIVU_G_2E: - case OPC_DMULT_G_2E: - case OPC_DMULTU_G_2E: - case OPC_DMOD_G_2E: - case OPC_DMODU_G_2E: - check_insn(ctx, INSN_LOONGSON2E); - gen_loongson_integer(ctx, op1, rd, rs, rt); - break; case OPC_ABSQ_S_QH_DSP: op2 = MASK_ABSQ_S_QH(ctx->opcode); switch (op2) { @@ -14952,7 +14710,9 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) } else { /* OPC_BC1ANY2 */ check_cop1x(ctx); - check_insn(ctx, ASE_MIPS3D); + if (!ase_3d_available(env)) { + return false; + } gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), (rt >> 2) & 0x7, imm << 2); } @@ -14967,7 +14727,9 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) check_cp1_enabled(ctx); check_insn_opc_removed(ctx, ISA_MIPS_R6); check_cop1x(ctx); - check_insn(ctx, ASE_MIPS3D); + if (!ase_3d_available(env)) { + return false; + } /* fall through */ case OPC_BC1: check_cp1_enabled(ctx); @@ -15267,6 +15029,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) { return; } + if (TARGET_LONG_BITS == 64 && decode_ext_loongson(ctx, ctx->opcode)) { + return; + } #if defined(TARGET_MIPS64) if (ase_lcsr_available(env) && decode_ase_lcsr(ctx, ctx->opcode)) { return; diff --git a/target/mips/tcg/translate.h b/target/mips/tcg/translate.h index 5d196e69ac..1bf153d183 100644 --- a/target/mips/tcg/translate.h +++ b/target/mips/tcg/translate.h @@ -217,10 +217,13 @@ void msa_translate_init(void); void mxu_translate_init(void); bool decode_ase_mxu(DisasContext *ctx, uint32_t insn); +bool decode_64bit_enabled(DisasContext *ctx); + /* decodetree generated */ bool decode_isa_rel6(DisasContext *ctx, uint32_t insn); bool decode_ase_msa(DisasContext *ctx, uint32_t insn); bool decode_ext_txx9(DisasContext *ctx, uint32_t insn); +bool decode_ext_loongson(DisasContext *ctx, uint32_t insn); #if defined(TARGET_MIPS64) bool decode_ase_lcsr(DisasContext *ctx, uint32_t insn); bool decode_ext_tx79(DisasContext *ctx, uint32_t insn); @@ -228,6 +231,11 @@ bool decode_ext_octeon(DisasContext *ctx, uint32_t insn); #endif bool decode_ext_vr54xx(DisasContext *ctx, uint32_t insn); +static inline bool disas_mt_available(DisasContext *ctx) +{ + return ctx->CP0_Config3 & (1 << CP0C3_MT); +} + /* * Helpers for implementing sets of trans_* functions. * Defer the implementation of NAME to FUNC, with optional extra arguments. |