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[Qemu-devel] [PATCH v7 04/20] target/mips: Add and integrate MXU decodin
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v7 04/20] target/mips: Add and integrate MXU decoding engine placeholder |
Date: |
Wed, 24 Oct 2018 14:18:31 +0200 |
From: Aleksandar Markovic <address@hidden>
Provide the placeholder and add the invocation logic for MXU
decoding engine.
Signed-off-by: Aleksandar Markovic <address@hidden>
---
target/mips/translate.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index fefe9ac..128cabe 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -23844,6 +23844,12 @@ 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;
@@ -26087,6 +26093,8 @@ 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);
}
--
2.7.4
[Qemu-devel] [PATCH v7 05/20] target/mips: Add MXU decoding engine, Aleksandar Markovic, 2018/10/24
[Qemu-devel] [PATCH v7 06/20] target/mips: Add bit encoding for MXU accumulate add/sub 1-bit pattern 'aptn1', Aleksandar Markovic, 2018/10/24
[Qemu-devel] [PATCH v7 08/20] target/mips: Add bit encoding for MXU execute add/sub pattern 'eptn2', Aleksandar Markovic, 2018/10/24