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moved MMR0-bits check to bus

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folkert van heusden 2023-03-27 21:57:02 +02:00
parent 08362a2a20
commit fad2c52c9b
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 5 additions and 7 deletions
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6
cpu.cpp
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@ -1627,15 +1627,13 @@ void cpu::trap(uint16_t vector, const int new_ipl, const bool is_interrupt)
} }
} }
else { else {
bool mmr1_locked = b->getMMR0() & 0160000;
before_psw = getPSW(); before_psw = getPSW();
if (!mmr1_locked)
b->addToMMR1(-2, 6); b->addToMMR1(-2, 6);
before_pc = getPC(); before_pc = getPC();
if (!mmr1_locked)
b->addToMMR1(-2, 6); b->addToMMR1(-2, 6);
// TODO set MMR2?
} }
// make sure the trap vector is retrieved from kernel space // make sure the trap vector is retrieved from kernel space