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Added exception codes 0x4 and 0x6 misaligned atomics. #794

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silabs-oysteink
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These will only be used for misaligned atomics which are not otherwise blocked by the PMA.

SEC clean when A_EXT=A_NONE and the new exception codes are not allowed to cause exception triggers (tdata2_rdata may propagate and lead to counter examples).

… be used for misaligned atomics which are not otherwise blocked by the PMA.

SEC clean when A_EXT=A_NONE and the new exception codes are not allowed to cause exception triggers (tdata2_rdata may propagate and lead to counter examples).

Signed-off-by: Oystein Knauserud <[email protected]>
Signed-off-by: Oystein Knauserud <[email protected]>
@silabs-oysteink silabs-oysteink added the Component:RTL For issues in the RTL (e.g. for files in the rtl directory) label Feb 27, 2023
end
else begin
// MPU error on read
state_n = core_one_txn_pend_n ? MPU_RE_ERR_RESP : MPU_RE_ERR_WAIT;
// PMA errors take presedence over misaligned atomics
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presedence -> precedence

Signed-off-by: Oystein Knauserud <[email protected]>
@Silabs-ArjanB Silabs-ArjanB merged commit 60b349e into openhwgroup:master Feb 27, 2023
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