diff options
| author | Mateja Marjanovic <Mateja.Marjanovic@rt-rk.com> | 2019-02-26 13:23:12 +0100 |
|---|---|---|
| committer | Aleksandar Markovic <amarkovic@wavecomp.com> | 2019-02-27 14:26:14 +0100 |
| commit | 37b9aae2e6e005e6df206a0b4804972460806166 (patch) | |
| tree | c5d4f110b375bf091d26bbb11595132138fda2d9 /target | |
| parent | 1e6bea794c8ac7e53ce18a9141367e4c91fb59a2 (diff) | |
| download | qemu-37b9aae2e6e005e6df206a0b4804972460806166.zip qemu-37b9aae2e6e005e6df206a0b4804972460806166.tar.gz qemu-37b9aae2e6e005e6df206a0b4804972460806166.tar.bz2 | |
target/mips: Preparing for adding MMI instructions
Set up MMI code to be compiled only for TARGET_MIPS64. This is
needed so that GPRs are 64 bit, and combined with MMI registers,
they will form full 128 bit registers.
Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1551183797-13570-2-git-send-email-mateja.marjanovic@rt-rk.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/mips/translate.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c index 3b17020..364bd6d 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -4362,6 +4362,7 @@ static void gen_shift(DisasContext *ctx, uint32_t opc, tcg_temp_free(t1); } +#if defined(TARGET_MIPS64) /* Copy GPR to and from TX79 HI1/LO1 register. */ static void gen_HILO1_tx79(DisasContext *ctx, uint32_t opc, int reg) { @@ -4397,6 +4398,7 @@ static void gen_HILO1_tx79(DisasContext *ctx, uint32_t opc, int reg) break; } } +#endif /* Arithmetic on HI/LO registers */ static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) @@ -4746,6 +4748,7 @@ static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) tcg_temp_free(t1); } +#if defined(TARGET_MIPS64) static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt) { TCGv t0, t1; @@ -4802,6 +4805,7 @@ static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt) tcg_temp_free(t0); tcg_temp_free(t1); } +#endif static void gen_muldiv(DisasContext *ctx, uint32_t opc, int acc, int rs, int rt) @@ -24324,6 +24328,29 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx) } +#if defined(TARGET_MIPS64) + +/* + * + * MMI (MultiMedia Interface) ASE instructions + * =========================================== + */ + +/* + * MMI instructions category: data communication + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * PCPYH PEXCH PEXTLB PINTH PPACB PEXT5 PREVH + * PCPYLD PEXCW PEXTLH PINTEH PPACH PPAC5 PROT3W + * PCPYUD PEXEH PEXTLW PPACW + * PEXEW PEXTUB + * PEXTUH + * PEXTUW + */ + +#endif + + #if !defined(TARGET_MIPS64) /* MXU accumulate add/subtract 1-bit pattern 'aptn1' */ @@ -27247,6 +27274,9 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) } } + +#if defined(TARGET_MIPS64) + static void decode_mmi0(CPUMIPSState *env, DisasContext *ctx) { uint32_t opc = MASK_MMI0(ctx->opcode); @@ -27491,6 +27521,8 @@ static void decode_mmi_sq(CPUMIPSState *env, DisasContext *ctx) gen_mmi_sq(ctx, base, rt, offset); } +#endif + static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx) { int rs, rt, rd, sa; @@ -28796,10 +28828,11 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) decode_opc_special(env, ctx); break; case OPC_SPECIAL2: +#if defined(TARGET_MIPS64) 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) { +#else + if (ctx->insn_flags & ASE_MXU) { decode_opc_mxu(env, ctx); #endif } else { @@ -28807,11 +28840,15 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) } break; case OPC_SPECIAL3: +#if defined(TARGET_MIPS64) if (ctx->insn_flags & INSN_R5900) { decode_mmi_sq(env, ctx); /* MMI_OPC_SQ */ } else { decode_opc_special3(env, ctx); } +#else + decode_opc_special3(env, ctx); +#endif break; case OPC_REGIMM: op1 = MASK_REGIMM(ctx->opcode); @@ -29483,7 +29520,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) break; case OPC_MSA: /* OPC_MDMX */ if (ctx->insn_flags & INSN_R5900) { +#if defined(TARGET_MIPS64) gen_mmi_lq(env, ctx); /* MMI_OPC_LQ */ +#endif } else { /* MDMX: Not implemented. */ gen_msa(env, ctx); |