diff options
| author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 02:42:19 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 02:42:19 -0700 |
| commit | 9549694ecd1cc80e2b690631ea58d14778d368af (patch) | |
| tree | e64227a28dddf384d04e338d19eb80e430deec11 /src/dev/x86/intdev.cc | |
| parent | 06d25dcd26bda01ec1377d7c9ecdc3d4d05c49ce (diff) | |
| download | gem5-9549694ecd1cc80e2b690631ea58d14778d368af.tar.xz | |
X86: Make code that sends an interrupt from the IO APIC available for IPIs.
Diffstat (limited to 'src/dev/x86/intdev.cc')
| -rw-r--r-- | src/dev/x86/intdev.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/dev/x86/intdev.cc b/src/dev/x86/intdev.cc index e386687a9..3b29eb7bf 100644 --- a/src/dev/x86/intdev.cc +++ b/src/dev/x86/intdev.cc @@ -30,6 +30,53 @@ #include "dev/x86/intdev.hh" +void +X86ISA::IntDev::IntPort::sendMessage(TriggerIntMessage message, bool timing) +{ + if (DeliveryMode::isReserved(message.deliveryMode)) { + fatal("Tried to use reserved delivery mode %d\n", + message.deliveryMode); + } else if (DTRACE(IntDev)) { + DPRINTF(IntDev, "Delivery mode is: %s.\n", + DeliveryMode::names[message.deliveryMode]); + DPRINTF(IntDev, "Vector is %#x.\n", message.vector); + } + if (message.destMode == 0) { + DPRINTF(IntDev, + "Sending interrupt to APIC ID %d.\n", message.destination); + PacketPtr pkt = buildIntRequest(message.destination, message); + if (timing) + sendMessageTiming(pkt, latency); + else + sendMessageAtomic(pkt); + } else { + DPRINTF(IntDev, "Sending interrupts to APIC IDs:" + "%s%s%s%s%s%s%s%s\n", + bits((int)message.destination, 0) ? " 0": "", + bits((int)message.destination, 1) ? " 1": "", + bits((int)message.destination, 2) ? " 2": "", + bits((int)message.destination, 3) ? " 3": "", + bits((int)message.destination, 4) ? " 4": "", + bits((int)message.destination, 5) ? " 5": "", + bits((int)message.destination, 6) ? " 6": "", + bits((int)message.destination, 7) ? " 7": "" + ); + uint8_t dests = message.destination; + uint8_t id = 0; + while(dests) { + if (dests & 0x1) { + PacketPtr pkt = buildIntRequest(id, message); + if (timing) + sendMessageTiming(pkt, latency); + else + sendMessageAtomic(pkt); + } + dests >>= 1; + id++; + } + } +} + X86ISA::IntSourcePin * X86IntSourcePinParams::create() { |