On 24.10.18. 14:18, Aleksandar Markovic wrote:
> From: Aleksandar Markovic <amarko...@wavecomp.com>
>
> Add MXU decoding engine: add handlers for all instruction pools,
> and main decode handler. The handlers, for now, for the purpose
> of this patch, contain only sceleton in the form of a single
> switch statement.
>
> Signed-off-by: Aleksandar Markovic <amarko...@wavecomp.com>
> ---
> target/mips/translate.c | 1143
> ++++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 1141 insertions(+), 2 deletions(-)
>
> diff --git a/target/mips/translate.c b/target/mips/translate.c
> index 128cabe..ed72b32 100644
> --- a/target/mips/translate.c
> +++ b/target/mips/translate.c
> @@ -23844,12 +23844,1151 @@ static void decode_opc_special(CPUMIPSState *env,
> DisasContext *ctx)
> }
> }
>
> +/*
> + *
> + * Decode MXU pool00
> + *
> + * 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__POOL00|
> + * +-----------+---------+-----+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool00(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 18, 3);
> +
> + 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);
> + 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);
> + 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);
> + break;
> + case OPC_MXU_Q8SLT:
> + /* TODO: Implement emulation of Q8SLT instruction. */
> + MIPS_INVAL("OPC_MXU_Q8SLT");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8SLTU:
> + /* TODO: Implement emulation of Q8SLTU instruction. */
> + MIPS_INVAL("OPC_MXU_Q8SLTU");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool01
> + *
> + * S32SLT, D16SLT, D16AVG, D16AVGR, Q8AVG, Q8AVGR:
> + * 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__POOL01|
> + * +-----------+---------+-----+-------+-------+-------+-----------+
> + *
> + * Q8MADD:
Q8ADD, instead of Q8MADD.
Otherwise:
Reviewed-by: Stefan Markovic <smarko...@wavecomp.com>
> + * 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 |en2|0 0 0|x x x| XRc | XRb | XRa |MXU__POOL01|
> + * +-----------+---+-----+-----+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool01(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 18, 3);
> +
> + switch (opcode) {
> + case OPC_MXU_S32SLT:
> + /* TODO: Implement emulation of S32SLT instruction. */
> + MIPS_INVAL("OPC_MXU_S32SLT");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16SLT:
> + /* TODO: Implement emulation of D16SLT instruction. */
> + MIPS_INVAL("OPC_MXU_D16SLT");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16AVG:
> + /* TODO: Implement emulation of D16AVG instruction. */
> + MIPS_INVAL("OPC_MXU_D16AVG");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16AVGR:
> + /* TODO: Implement emulation of D16AVGR instruction. */
> + MIPS_INVAL("OPC_MXU_D16AVGR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8AVG:
> + /* TODO: Implement emulation of Q8AVG instruction. */
> + MIPS_INVAL("OPC_MXU_Q8AVG");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8AVGR:
> + /* TODO: Implement emulation of Q8AVGR instruction. */
> + MIPS_INVAL("OPC_MXU_Q8AVGR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8ADD:
> + /* TODO: Implement emulation of Q8ADD instruction. */
> + MIPS_INVAL("OPC_MXU_Q8ADD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool02
> + *
> + * 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__POOL02|
> + * +-----------+---------+-----+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool02(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 18, 3);
> +
> + switch (opcode) {
> + case OPC_MXU_S32CPS:
> + /* TODO: Implement emulation of S32CPS instruction. */
> + MIPS_INVAL("OPC_MXU_S32CPS");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16CPS:
> + /* TODO: Implement emulation of D16CPS instruction. */
> + MIPS_INVAL("OPC_MXU_D16CPS");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8ABD:
> + /* TODO: Implement emulation of Q8ABD instruction. */
> + MIPS_INVAL("OPC_MXU_Q8ABD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16SAT:
> + /* TODO: Implement emulation of Q16SAT instruction. */
> + MIPS_INVAL("OPC_MXU_Q16SAT");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool03
> + *
> + * D16MULF:
> + * 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 |x x|on2|0 0 0 0| XRc | XRb | XRa |MXU__POOL03|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + * D16MULE:
> + * 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 |x x|on2| Xd | XRc | XRb | XRa |MXU__POOL03|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool03(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 24, 2);
> +
> + switch (opcode) {
> + case OPC_MXU_D16MULF:
> + /* TODO: Implement emulation of D16MULF instruction. */
> + MIPS_INVAL("OPC_MXU_D16MULF");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16MULE:
> + /* TODO: Implement emulation of D16MULE instruction. */
> + MIPS_INVAL("OPC_MXU_D16MULE");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool04
> + *
> + * 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| s12 | XRa |MXU__POOL04|
> + * +-----------+---------+-+-------------------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool04(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 20, 1);
> +
> + switch (opcode) {
> + case OPC_MXU_S32LDD:
> + /* TODO: Implement emulation of S32LDD instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32LDDR:
> + /* TODO: Implement emulation of S32LDDR instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDDR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool05
> + *
> + * 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| s12 | XRa |MXU__POOL05|
> + * +-----------+---------+-+-------------------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool05(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 20, 1);
> +
> + switch (opcode) {
> + case OPC_MXU_S32STD:
> + /* TODO: Implement emulation of S32STD instruction. */
> + MIPS_INVAL("OPC_MXU_S32STD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32STDR:
> + /* TODO: Implement emulation of S32STDR instruction. */
> + MIPS_INVAL("OPC_MXU_S32STDR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool06
> + *
> + * 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 | rc |st2|x x x x| XRa |MXU__POOL06|
> + * +-----------+---------+---------+---+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool06(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 10, 4);
> +
> + switch (opcode) {
> + case OPC_MXU_S32LDDV:
> + /* TODO: Implement emulation of S32LDDV instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDDV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32LDDVR:
> + /* TODO: Implement emulation of S32LDDVR instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDDVR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool07
> + *
> + * 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 | rc |st2|x x x x| XRa |MXU__POOL07|
> + * +-----------+---------+---------+---+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool07(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 10, 4);
> +
> + switch (opcode) {
> + case OPC_MXU_S32STDV:
> + /* TODO: Implement emulation of S32TDV instruction. */
> + MIPS_INVAL("OPC_MXU_S32TDV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32STDVR:
> + /* TODO: Implement emulation of S32TDVR instruction. */
> + MIPS_INVAL("OPC_MXU_S32TDVR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool08
> + *
> + * 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| s12 | XRa |MXU__POOL08|
> + * +-----------+---------+-+-------------------+-------+-----------+
> + *
> +*/
> +static void decode_opc_mxu__pool08(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 20, 1);
> +
> + switch (opcode) {
> + case OPC_MXU_S32LDI:
> + /* TODO: Implement emulation of S32LDI instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDI");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32LDIR:
> + /* TODO: Implement emulation of S32LDIR instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDIR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool09
> + *
> + * 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| s12 | XRa |MXU__POOL09|
> + * +-----------+---------+-+-------------------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool09(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 5, 0);
> +
> + switch (opcode) {
> + case OPC_MXU_S32SDI:
> + /* TODO: Implement emulation of S32SDI instruction. */
> + MIPS_INVAL("OPC_MXU_S32SDI");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32SDIR:
> + /* TODO: Implement emulation of S32SDIR instruction. */
> + MIPS_INVAL("OPC_MXU_S32SDIR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool10
> + *
> + * 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 | rc |st2|x x x x| XRa |MXU__POOL10|
> + * +-----------+---------+---------+---+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool10(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 5, 0);
> +
> + switch (opcode) {
> + case OPC_MXU_S32LDIV:
> + /* TODO: Implement emulation of S32LDIV instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDIV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32LDIVR:
> + /* TODO: Implement emulation of S32LDIVR instruction. */
> + MIPS_INVAL("OPC_MXU_S32LDIVR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool11
> + *
> + * 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 | rc |st2|x x x x| XRa |MXU__POOL11|
> + * +-----------+---------+---------+---+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool11(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 10, 4);
> +
> + switch (opcode) {
> + case OPC_MXU_S32SDIV:
> + /* TODO: Implement emulation of S32SDIV instruction. */
> + MIPS_INVAL("OPC_MXU_S32SDIV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32SDIVR:
> + /* TODO: Implement emulation of S32SDIVR instruction. */
> + MIPS_INVAL("OPC_MXU_S32SDIVR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool12
> + *
> + * 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| Xd | XRc | XRb | XRa |MXU__POOL12|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool12(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 22, 2);
> +
> + switch (opcode) {
> + case OPC_MXU_D32ACC:
> + /* TODO: Implement emulation of D32ACC instruction. */
> + MIPS_INVAL("OPC_MXU_D32ACC");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32ACCM:
> + /* TODO: Implement emulation of D32ACCM instruction. */
> + MIPS_INVAL("OPC_MXU_D32ACCM");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32ASUM:
> + /* TODO: Implement emulation of D32ASUM instruction. */
> + MIPS_INVAL("OPC_MXU_D32ASUM");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool13
> + *
> + * 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 |en2|x x|0 0 0 0| XRc | XRb | XRa |MXU__POOL13|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool13(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 22, 2);
> +
> + switch (opcode) {
> + case OPC_MXU_Q16ACC:
> + /* TODO: Implement emulation of Q16ACC instruction. */
> + MIPS_INVAL("OPC_MXU_Q16ACC");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16ACCM:
> + /* TODO: Implement emulation of Q16ACCM instruction. */
> + MIPS_INVAL("OPC_MXU_Q16ACCM");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16ASUM:
> + /* TODO: Implement emulation of Q16ASUM instruction. */
> + MIPS_INVAL("OPC_MXU_Q16ASUM");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool14
> + *
> + * Q8ADDE, Q8ACCE:
> + * 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__POOL14|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + * D8SUM, D8SUMC:
> + * 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 |en2|x x|0 0 0 0| XRc | XRb | XRa |MXU__POOL14|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool14(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 22, 2);
> +
> + switch (opcode) {
> + case OPC_MXU_Q8ADDE:
> + /* TODO: Implement emulation of Q8ADDE instruction. */
> + MIPS_INVAL("OPC_MXU_Q8ADDE");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D8SUM:
> + /* TODO: Implement emulation of D8SUM instruction. */
> + MIPS_INVAL("OPC_MXU_D8SUM");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D8SUMC:
> + /* TODO: Implement emulation of D8SUMC instruction. */
> + MIPS_INVAL("OPC_MXU_D8SUMC");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool15
> + *
> + * S32MUL, S32MULU, S32EXTRV:
> + * 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 |x x| XRd | XRa |MXU__POOL15|
> + * +-----------+---------+---------+---+-------+-------+-----------+
> + *
> + * S32EXTR:
> + * 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 | sft5 |x x| XRd | XRa |MXU__POOL15|
> + * +-----------+---------+---------+---+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool15(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 14, 2);
> +
> + switch (opcode) {
> + case OPC_MXU_S32MUL:
> + /* TODO: Implement emulation of S32MUL instruction. */
> + MIPS_INVAL("OPC_MXU_S32MUL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32MULU:
> + /* TODO: Implement emulation of S32MULU instruction. */
> + MIPS_INVAL("OPC_MXU_S32MULU");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32EXTR:
> + /* TODO: Implement emulation of S32EXTR instruction. */
> + MIPS_INVAL("OPC_MXU_S32EXTR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32EXTRV:
> + /* TODO: Implement emulation of S32EXTRV instruction. */
> + MIPS_INVAL("OPC_MXU_S32EXTRV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * Decode MXU pool16
> + *
> + * D32SARW:
> + * 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| XRc | XRb | XRa |MXU__POOL16|
> + * +-----------+---------+-----+-------+-------+-------+-----------+
> + *
> + * S32ALN:
> + * 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 |x x x| XRc | XRb | XRa |MXU__POOL16|
> + * +-----------+---------+-----+-------+-------+-------+-----------+
> + *
> + * S32ALNI:
> + * 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 | 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|
> + * +-----------+-----+---+-----+-------+---------------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool16(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 18, 3);
> +
> + switch (opcode) {
> + case OPC_MXU_D32SARW:
> + /* TODO: Implement emulation of D32SARW instruction. */
> + MIPS_INVAL("OPC_MXU_D32SARW");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32ALN:
> + /* TODO: Implement emulation of S32ALN instruction. */
> + MIPS_INVAL("OPC_MXU_S32ALN");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32ALNI:
> + /* TODO: Implement emulation of S32ALNI instruction. */
> + MIPS_INVAL("OPC_MXU_S32ALNI");
> + 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);
> + break;
> + case OPC_MXU_S32AND:
> + /* TODO: Implement emulation of S32AND instruction. */
> + MIPS_INVAL("OPC_MXU_S32AND");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32OR:
> + /* TODO: Implement emulation of S32OR instruction. */
> + MIPS_INVAL("OPC_MXU_S32OR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32XOR:
> + /* TODO: Implement emulation of S32XOR instruction. */
> + MIPS_INVAL("OPC_MXU_S32XOR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32LUI:
> + /* TODO: Implement emulation of S32LUI instruction. */
> + MIPS_INVAL("OPC_MXU_S32LUI");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * 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 | rb |x x x| XRd | XRa |0 0 0 0|MXU__POOL17|
> + * +-----------+---------+-----+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool17(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 18, 3);
> +
> + switch (opcode) {
> + case OPC_MXU_D32SLLV:
> + /* TODO: Implement emulation of D32SLLV instruction. */
> + MIPS_INVAL("OPC_MXU_D32SLLV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32SLRV:
> + /* TODO: Implement emulation of D32SLRV instruction. */
> + MIPS_INVAL("OPC_MXU_D32SLRV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32SARV:
> + /* TODO: Implement emulation of D32SARV instruction. */
> + MIPS_INVAL("OPC_MXU_D32SARV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16SLLV:
> + /* TODO: Implement emulation of Q16SLLV instruction. */
> + MIPS_INVAL("OPC_MXU_Q16SLLV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16SLRV:
> + /* TODO: Implement emulation of Q16SLRV instruction. */
> + MIPS_INVAL("OPC_MXU_Q16SLRV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16SARV:
> + /* TODO: Implement emulation of Q16SARV instruction. */
> + MIPS_INVAL("OPC_MXU_Q16SARV");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * 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 |0 0|x x| XRd | XRc | XRb | XRa |MXU__POOL18|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool18(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 22, 2);
> +
> + switch (opcode) {
> + case OPC_MXU_Q8MUL:
> + /* TODO: Implement emulation of Q8MUL instruction. */
> + MIPS_INVAL("OPC_MXU_Q8MUL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8MULSU:
> + /* TODO: Implement emulation of Q8MULSU instruction. */
> + MIPS_INVAL("OPC_MXU_Q8MULSU");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * 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 0 0 0|x x x| XRc | XRb | XRa |MXU__POOL19|
> + * +-----------+---------+-----+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool19(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 18, 3);
> +
> + switch (opcode) {
> + case OPC_MXU_Q8MOVZ:
> + /* TODO: Implement emulation of Q8MOVZ instruction. */
> + MIPS_INVAL("OPC_MXU_Q8MOVZ");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8MOVN:
> + /* TODO: Implement emulation of Q8MOVN instruction. */
> + MIPS_INVAL("OPC_MXU_Q8MOVN");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16MOVZ:
> + /* TODO: Implement emulation of D16MOVZ instruction. */
> + MIPS_INVAL("OPC_MXU_D16MOVZ");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16MOVN:
> + /* TODO: Implement emulation of D16MOVN instruction. */
> + MIPS_INVAL("OPC_MXU_D16MOVN");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32MOVZ:
> + /* TODO: Implement emulation of S32MOVZ instruction. */
> + MIPS_INVAL("OPC_MXU_S32MOVZ");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32MOVN:
> + /* TODO: Implement emulation of S32MOVN instruction. */
> + MIPS_INVAL("OPC_MXU_S32MOVN");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +/*
> + *
> + * 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 |an2|x x| XRd | XRc | XRb | XRa |MXU__POOL20|
> + * +-----------+---+---+-------+-------+-------+-------+-----------+
> + *
> + */
> +static void decode_opc_mxu__pool20(CPUMIPSState *env, DisasContext *ctx)
> +{
> + uint32_t opcode = extract32(ctx->opcode, 22, 2);
> +
> + switch (opcode) {
> + case OPC_MXU_Q8MAC:
> + /* TODO: Implement emulation of Q8MAC instruction. */
> + MIPS_INVAL("OPC_MXU_Q8MAC");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8MACSU:
> + /* TODO: Implement emulation of Q8MACSU instruction. */
> + MIPS_INVAL("OPC_MXU_Q8MACSU");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + }
> +}
> +
> +
> +/*
> + * Main MXU decoding function
> + *
> + * 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 | |x x x x x x|
> + * +-----------+---------------------------------------+-----------+
> + *
> + */
> static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
> {
> - MIPS_INVAL("decode_opc_mxu");
> - generate_exception_end(ctx, EXCP_RI);
> + uint32_t opcode = extract32(ctx->opcode, 0, 6);
> +
> + switch (opcode) {
> + case OPC_MXU_S32MADD:
> + /* TODO: Implement emulation of S32MADD instruction. */
> + MIPS_INVAL("OPC_MXU_S32MADD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32MADDU:
> + /* TODO: Implement emulation of S32MADDU instruction. */
> + MIPS_INVAL("OPC_MXU_S32MADDU");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU__POOL00:
> + decode_opc_mxu__pool00(env, ctx);
> + break;
> + case OPC_MXU_S32MSUB:
> + /* TODO: Implement emulation of S32MSUB instruction. */
> + MIPS_INVAL("OPC_MXU_S32MSUB");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32MSUBU:
> + /* TODO: Implement emulation of S32MSUBU instruction. */
> + MIPS_INVAL("OPC_MXU_S32MSUBU");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU__POOL01:
> + decode_opc_mxu__pool01(env, ctx);
> + break;
> + case OPC_MXU__POOL02:
> + decode_opc_mxu__pool02(env, ctx);
> + break;
> + case OPC_MXU_D16MUL:
> + /* TODO: Implement emulation of D16MUL instruction. */
> + MIPS_INVAL("OPC_MXU_D16MUL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU__POOL03:
> + decode_opc_mxu__pool03(env, ctx);
> + break;
> + case OPC_MXU_D16MAC:
> + /* TODO: Implement emulation of D16MAC instruction. */
> + MIPS_INVAL("OPC_MXU_D16MAC");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16MACF:
> + /* TODO: Implement emulation of D16MACF instruction. */
> + MIPS_INVAL("OPC_MXU_D16MACF");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16MADL:
> + /* TODO: Implement emulation of D16MADL instruction. */
> + MIPS_INVAL("OPC_MXU_D16MADL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S16MAD:
> + /* TODO: Implement emulation of S16MAD instruction. */
> + MIPS_INVAL("OPC_MXU_S16MAD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16ADD:
> + /* TODO: Implement emulation of Q16ADD instruction. */
> + MIPS_INVAL("OPC_MXU_Q16ADD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D16MACE:
> + /* TODO: Implement emulation of D16MACE instruction. */
> + MIPS_INVAL("OPC_MXU_D16MACE");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU__POOL04:
> + decode_opc_mxu__pool04(env, ctx);
> + break;
> + case OPC_MXU__POOL05:
> + decode_opc_mxu__pool05(env, ctx);
> + break;
> + case OPC_MXU__POOL06:
> + decode_opc_mxu__pool06(env, ctx);
> + break;
> + case OPC_MXU__POOL07:
> + decode_opc_mxu__pool07(env, ctx);
> + break;
> + case OPC_MXU__POOL08:
> + decode_opc_mxu__pool08(env, ctx);
> + break;
> + case OPC_MXU__POOL09:
> + decode_opc_mxu__pool09(env, ctx);
> + break;
> + case OPC_MXU__POOL10:
> + decode_opc_mxu__pool10(env, ctx);
> + break;
> + case OPC_MXU__POOL11:
> + decode_opc_mxu__pool11(env, ctx);
> + break;
> + case OPC_MXU_D32ADD:
> + /* TODO: Implement emulation of D32ADD instruction. */
> + MIPS_INVAL("OPC_MXU_D32ADD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU__POOL12:
> + decode_opc_mxu__pool12(env, ctx);
> + break;
> + case OPC_MXU__POOL13:
> + decode_opc_mxu__pool13(env, ctx);
> + break;
> + case OPC_MXU__POOL14:
> + decode_opc_mxu__pool14(env, ctx);
> + break;
> + case OPC_MXU_Q8ACCE:
> + /* TODO: Implement emulation of Q8ACCE instruction. */
> + MIPS_INVAL("OPC_MXU_Q8ACCE");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S8LDD:
> + /* TODO: Implement emulation of S8LDD instruction. */
> + MIPS_INVAL("OPC_MXU_S8LDD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S8STD:
> + /* TODO: Implement emulation of S8STD instruction. */
> + MIPS_INVAL("OPC_MXU_S8STD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S8LDI:
> + /* TODO: Implement emulation of S8LDI instruction. */
> + MIPS_INVAL("OPC_MXU_S8LDI");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S8SDI:
> + /* TODO: Implement emulation of S8SDI instruction. */
> + MIPS_INVAL("OPC_MXU_S8SDI");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU__POOL15:
> + decode_opc_mxu__pool15(env, ctx);
> + break;
> + 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);
> + break;
> + case OPC_MXU_S16LDD:
> + /* TODO: Implement emulation of S16LDD instruction. */
> + MIPS_INVAL("OPC_MXU_S16LDD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S16STD:
> + /* TODO: Implement emulation of S16STD instruction. */
> + MIPS_INVAL("OPC_MXU_S16STD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S16LDI:
> + /* TODO: Implement emulation of S16LDI instruction. */
> + MIPS_INVAL("OPC_MXU_S16LDI");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S16SDI:
> + /* TODO: Implement emulation of S16SDI instruction. */
> + MIPS_INVAL("OPC_MXU_S16SDI");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32M2I:
> + /* TODO: Implement emulation of S32M2I instruction. */
> + MIPS_INVAL("OPC_MXU_S32M2I");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32I2M:
> + /* TODO: Implement emulation of S32I2M instruction. */
> + MIPS_INVAL("OPC_MXU_S32I2M");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32SLL:
> + /* TODO: Implement emulation of D32SLL instruction. */
> + MIPS_INVAL("OPC_MXU_D32SLL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32SLR:
> + /* TODO: Implement emulation of D32SLR instruction. */
> + MIPS_INVAL("OPC_MXU_D32SLR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32SARL:
> + /* TODO: Implement emulation of D32SARL instruction. */
> + MIPS_INVAL("OPC_MXU_D32SARL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_D32SAR:
> + /* TODO: Implement emulation of D32SAR instruction. */
> + MIPS_INVAL("OPC_MXU_D32SAR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16SLL:
> + /* TODO: Implement emulation of Q16SLL instruction. */
> + MIPS_INVAL("OPC_MXU_Q16SLL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q16SLR:
> + /* TODO: Implement emulation of Q16SLR instruction. */
> + MIPS_INVAL("OPC_MXU_Q16SLR");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU__POOL17:
> + decode_opc_mxu__pool17(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_Q16SCOP:
> + /* TODO: Implement emulation of Q16SCOP instruction. */
> + MIPS_INVAL("OPC_MXU_Q16SCOP");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8MADL:
> + /* TODO: Implement emulation of Q8MADL instruction. */
> + MIPS_INVAL("OPC_MXU_Q8MADL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_S32SFL:
> + /* TODO: Implement emulation of S32SFL instruction. */
> + MIPS_INVAL("OPC_MXU_S32SFL");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + case OPC_MXU_Q8SAD:
> + /* TODO: Implement emulation of Q8SAD instruction. */
> + MIPS_INVAL("OPC_MXU_Q8SAD");
> + generate_exception_end(ctx, EXCP_RI);
> + break;
> + default:
> + MIPS_INVAL("decode_opc_mxu");
> + generate_exception_end(ctx, EXCP_RI);
> + }
> }
>
> +
> static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
> {
> int rs, rt, rd;
