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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-11-24 11:53:46 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-01-14 17:13:53 +0100 |
| commit | ddc7ef8dfe2408912832ddaac2a21ede4300ce22 (patch) | |
| tree | 374e342cff69c1a09e4ff2c2d3fd8f468055b9e7 /target/mips | |
| parent | aac357ec895bfb97b6edca999d91f49b5de5049a (diff) | |
| download | qemu-ddc7ef8dfe2408912832ddaac2a21ede4300ce22.zip qemu-ddc7ef8dfe2408912832ddaac2a21ede4300ce22.tar.gz qemu-ddc7ef8dfe2408912832ddaac2a21ede4300ce22.tar.bz2 | |
target/mips: Convert Rel6 COP1X opcode to decodetree
COP1x opcode has been removed from the Release 6.
Add a single decodetree entry for it, triggering
Reserved Instruction if ever used.
Remove unreachable check_insn_opc_removed() call.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201208203704.243704-8-f4bug@amsat.org>
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/mips32r6.decode | 2 | ||||
| -rw-r--r-- | target/mips/translate.c | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/target/mips/mips32r6.decode b/target/mips/mips32r6.decode index dd7faf7..aea6f11 100644 --- a/target/mips/mips32r6.decode +++ b/target/mips/mips32r6.decode @@ -16,4 +16,6 @@ LSA 000000 ..... ..... ..... 000 .. 000101 @lsa +REMOVED 010011 ----- ----- ----- ----- ------ # COP1X (COP3) + REMOVED 011100 ----- ----- ----- ----- ------ # SPECIAL2 diff --git a/target/mips/translate.c b/target/mips/translate.c index 2f23ce4..f3ebac9 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -28826,7 +28826,6 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) break; case OPC_CP3: - check_insn_opc_removed(ctx, ISA_MIPS_R6); if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { check_cp1_enabled(ctx); op1 = MASK_CP3(ctx->opcode); |