target/arm: migrate memory op syndromes to registerfields
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20260422125250.1303100-15-alex.bennee@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Alex Bennée committed
Apr 22, 2026 at 13:52 UTC
d742196596944cb77035f2707161075dd8f8e8a0
1 file changed
+29
-4
target/arm/syndrome.h
+29
-4
@@ -742,14 +742,39 @@ static inline uint32_t syn_serror(uint32_t extra)
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return res;
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}
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+/*
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+ * ISS encoding for an exception from the Memory Copy and Memory Set
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+ * instructions.
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+ */
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+FIELD(MOP_ISS, SIZEREG, 0, 5)
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+FIELD(MOP_ISS, SRCREG, 5, 5)
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+FIELD(MOP_ISS, DESTREG, 10, 5)
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+FIELD(MOP_ISS, FORMATOPT, 16, 2)
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+FIELD(MOP_ISS, OPT_A, 16, 1)
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+FIELD(MOP_ISS, WRONG_OPT, 17, 1)
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+FIELD(MOP_ISS, EPILOGUE, 18, 1)
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+FIELD(MOP_ISS, OPTIONS, 19, 4)
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+FIELD(MOP_ISS, IS_SETG, 23, 1)
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+FIELD(MOP_ISS, MEMINST, 24, 1)
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+
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static inline uint32_t syn_mop(bool is_set, bool is_setg, int options,
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bool epilogue, bool wrong_option, bool option_a,
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int destreg, int srcreg, int sizereg)
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{
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- return (EC_MOP << ARM_EL_EC_SHIFT) | ARM_EL_IL |
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- (is_set << 24) | (is_setg << 23) | (options << 19) |
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- (epilogue << 18) | (wrong_option << 17) | (option_a << 16) |
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- (destreg << 10) | (srcreg << 5) | sizereg;
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+ uint32_t res = syn_set_ec(0, EC_MOP);
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+ res = FIELD_DP32(res, SYNDROME, IL, 1);
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+
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+ res = FIELD_DP32(res, MOP_ISS, MEMINST, is_set);
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+ res = FIELD_DP32(res, MOP_ISS, IS_SETG, is_setg);
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+ res = FIELD_DP32(res, MOP_ISS, OPTIONS, options);
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+ res = FIELD_DP32(res, MOP_ISS, EPILOGUE, epilogue);
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+ res = FIELD_DP32(res, MOP_ISS, WRONG_OPT, wrong_option);
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+ res = FIELD_DP32(res, MOP_ISS, OPT_A, option_a);
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+ res = FIELD_DP32(res, MOP_ISS, DESTREG, destreg);
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+ res = FIELD_DP32(res, MOP_ISS, SRCREG, srcreg);
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+ res = FIELD_DP32(res, MOP_ISS, SIZEREG, sizereg);
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+
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+ return res;
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}
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