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Fix non-standard interrupt start position #1830

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merged 1 commit into from
Oct 30, 2024
Merged

Fix non-standard interrupt start position #1830

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4 changes: 2 additions & 2 deletions riscv/processor.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -304,8 +304,8 @@ void processor_t::take_interrupt(reg_t pending_interrupts)
const bool nmie = !(state.mnstatus && !get_field(state.mnstatus->read(), MNSTATUS_NMIE));
if (!state.debug_mode && nmie && enabled_interrupts) {
// nonstandard interrupts have highest priority
if (enabled_interrupts >> (IRQ_M_EXT + 1))
enabled_interrupts = enabled_interrupts >> (IRQ_M_EXT + 1) << (IRQ_M_EXT + 1);
if (enabled_interrupts >> (IRQ_LCOF + 1))
enabled_interrupts = enabled_interrupts >> (IRQ_LCOF + 1) << (IRQ_LCOF + 1);
// standard interrupt priority is MEI, MSI, MTI, SEI, SSI, STI
else if (enabled_interrupts & MIP_MEIP)
enabled_interrupts = MIP_MEIP;
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