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Goto inst_start on illegal instructions

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Olof Astrand
2020-07-14 09:47:53 +02:00
parent c290afca4d
commit fb191336c8
1 changed files with 2 additions and 0 deletions
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data/languages/xtensaInstructions.sinc
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@@ -480,11 +480,13 @@ macro extract_bit(val, bit, result) {
# ILL - Illegal Instruction, pg. 358. # ILL - Illegal Instruction, pg. 358.
:ill is op2 = 0 & op1 = 0 & ar = 0 & as = 0 & at = 0 & op0 = 0 { :ill is op2 = 0 & op1 = 0 & ar = 0 & as = 0 & at = 0 & op0 = 0 {
ill(); ill();
goto inst_start;
} }
# ILL.N - Narrow Illegal Instruction, pg. 359. # ILL.N - Narrow Illegal Instruction, pg. 359.
:ill.n is n_ar = 0b1111 & n_as = 0 & n_at = 0b0110 & n_op0 = 0b1101 { :ill.n is n_ar = 0b1111 & n_as = 0 & n_at = 0b0110 & n_op0 = 0b1101 {
ill(); ill();
goto inst_start;
} }
# IPF - Instruction Cache Prefetch, pg. 360. # IPF - Instruction Cache Prefetch, pg. 360.