diff options
Diffstat (limited to 'src/dev/x86/i8259.cc')
| -rw-r--r-- | src/dev/x86/i8259.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/dev/x86/i8259.cc b/src/dev/x86/i8259.cc index 2dd6caaff..dbc8ab768 100644 --- a/src/dev/x86/i8259.cc +++ b/src/dev/x86/i8259.cc @@ -139,7 +139,7 @@ X86ISA::I8259::write(PacketPtr pkt) break; case 0x2: DPRINTF(I8259, "Received initialization command word 3.\n"); - if (master == NULL) { + if (mode == Enums::I8259Master) { DPRINTF(I8259, "Slaves attached to IRQs:%s%s%s%s%s%s%s%s\n", bits(val, 0) ? " 0" : "", bits(val, 1) ? " 1" : "", @@ -192,9 +192,14 @@ X86ISA::I8259::signalInterrupt(int line) fatal("Line number %d doesn't exist. The max is 7.\n"); if (bits(IMR, line)) { DPRINTF(I8259, "Interrupt %d was masked.\n", line); - } else if (master != NULL) { - DPRINTF(I8259, "Propogating interrupt to master.\n"); - master->signalInterrupt(cascadeBits); + } else { + if (output) { + DPRINTF(I8259, "Propogating interrupt.\n"); + output->signalInterrupt(); + } else { + warn("Received interrupt but didn't have " + "anyone to tell about it.\n"); + } } } |