target/arm: Convert Unallocated memory hint
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190904193059.26202-40-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -64,3 +64,11 @@ PLI 1111 0100 -101 ---- 1111 ---- ---- ---- # (imm, lit) 7
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PLD 1111 0111 -101 ---- 1111 ----- -- 0 ---- # (register) 5te
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PLDW 1111 0111 -001 ---- 1111 ----- -- 0 ---- # (register) 7mp
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PLI 1111 0110 -101 ---- 1111 ----- -- 0 ---- # (register) 7
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# Unallocated memory hints
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#
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# Since these are v7MP nops, and PLDW is v7MP and implemented as nop,
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# (ab)use the PLDW helper.
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PLDW 1111 0100 -001 ---- ---- ---- ---- ----
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PLDW 1111 0110 -001 ---- ---- ---- ---0 ----
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@ -10332,14 +10332,6 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
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}
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return;
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}
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if (((insn & 0x0f700000) == 0x04100000) ||
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((insn & 0x0f700010) == 0x06100000)) {
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if (!arm_dc_feature(s, ARM_FEATURE_V7MP)) {
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goto illegal_op;
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}
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return; /* v7MP: Unallocated memory hint: must NOP */
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}
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if ((insn & 0x0e000f00) == 0x0c000100) {
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if (arm_dc_feature(s, ARM_FEATURE_IWMMXT)) {
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/* iWMMXt register transfer. */
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