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target/mips: Add and integrate MXU decoding engine placeholder 

Provide the placeholder and add the invocation logic for MXU
decoding engine.

Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
This commit is contained in:
Aleksandar Markovic 2018-10-18 14:40:20 +02:00
parent eab0bdb07c
commit 0a348b9a4e
1 changed files with 8 additions and 0 deletions
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8
target/mips/translate.c
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@ -23978,6 +23978,12 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
}
}
static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
{
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;
@ -26221,6 +26227,8 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
case OPC_SPECIAL2:
if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) {
decode_tx79_mmi(env, ctx);
} else if (ctx->insn_flags & ASE_MXU) {
decode_opc_mxu(env, ctx);
} else {
decode_opc_special2_legacy(env, ctx);
}