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| author | Fredrik Noring | 2018-10-21 17:36:23 +0200 |
|---|---|---|
| committer | Aleksandar Markovic | 2018-10-24 15:20:30 +0200 |
| commit | 71b8a6b3f3d89283b094e04962c077aa01401438 (patch) | |
| tree | 566930164f8291107ab7b2309a621fb57a85f95d /target | |
| parent | target/mips: Add a placeholder for R5900 LQ (diff) | |
| download | qemu-71b8a6b3f3d89283b094e04962c077aa01401438.tar.gz qemu-71b8a6b3f3d89283b094e04962c077aa01401438.tar.xz qemu-71b8a6b3f3d89283b094e04962c077aa01401438.zip | |
target/mips: Add a placeholder for R5900 MMI instruction class
Add a placeholder for MMI class. This is the main palceholder for
MMI ASE.
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Fredrik Noring <noring@nocrew.org>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/mips/translate.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c index 2318116d31..6cb6966f0f 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -24420,6 +24420,45 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) } } +static void decode_tx79_mmi(CPUMIPSState *env, DisasContext *ctx) +{ + uint32_t opc = MASK_TX79_MMI(ctx->opcode); + + switch (opc) { + case TX79_MMI_MADD: /* TODO: TX79_MMI_MADD */ + case TX79_MMI_MADDU: /* TODO: TX79_MMI_MADDU */ + case TX79_MMI_PLZCW: /* TODO: TX79_MMI_PLZCW */ + case TX79_MMI_CLASS_MMI0: /* TODO: TX79_MMI_CLASS_MMI0 */ + case TX79_MMI_CLASS_MMI2: /* TODO: TX79_MMI_CLASS_MMI2 */ + case TX79_MMI_MFHI1: /* TODO: TX79_MMI_MFHI1 */ + case TX79_MMI_MTHI1: /* TODO: TX79_MMI_MTHI1 */ + case TX79_MMI_MFLO1: /* TODO: TX79_MMI_MFLO1 */ + case TX79_MMI_MTLO1: /* TODO: TX79_MMI_MTLO1 */ + case TX79_MMI_MULT1: /* TODO: TX79_MMI_MULT1 */ + case TX79_MMI_MULTU1: /* TODO: TX79_MMI_MULTU1 */ + case TX79_MMI_DIV1: /* TODO: TX79_MMI_DIV1 */ + case TX79_MMI_DIVU1: /* TODO: TX79_MMI_DIVU1 */ + case TX79_MMI_MADD1: /* TODO: TX79_MMI_MADD1 */ + case TX79_MMI_MADDU1: /* TODO: TX79_MMI_MADDU1 */ + case TX79_MMI_CLASS_MMI1: /* TODO: TX79_MMI_CLASS_MMI1 */ + case TX79_MMI_CLASS_MMI3: /* TODO: TX79_MMI_CLASS_MMI3 */ + case TX79_MMI_PMFHL: /* TODO: TX79_MMI_PMFHL */ + case TX79_MMI_PMTHL: /* TODO: TX79_MMI_PMTHL */ + case TX79_MMI_PSLLH: /* TODO: TX79_MMI_PSLLH */ + case TX79_MMI_PSRLH: /* TODO: TX79_MMI_PSRLH */ + case TX79_MMI_PSRAH: /* TODO: TX79_MMI_PSRAH */ + case TX79_MMI_PSLLW: /* TODO: TX79_MMI_PSLLW */ + case TX79_MMI_PSRLW: /* TODO: TX79_MMI_PSRLW */ + case TX79_MMI_PSRAW: /* TODO: TX79_MMI_PSRAW */ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_CLASS_MMI */ + break; + default: + MIPS_INVAL("TX79 MMI class"); + generate_exception_end(ctx, EXCP_RI); + break; + } +} + static void decode_tx79_lq(CPUMIPSState *env, DisasContext *ctx) { generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_LQ */ @@ -25769,7 +25808,11 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) decode_opc_special(env, ctx); break; case OPC_SPECIAL2: - decode_opc_special2_legacy(env, ctx); + if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) { + decode_tx79_mmi(env, ctx); + } else { + decode_opc_special2_legacy(env, ctx); + } break; case OPC_SPECIAL3: if (ctx->insn_flags & INSN_R5900) { |