From: Joel Hestness <hestness@cs.utexas.edu>
Date: Mon, 7 Feb 2011 06:14:17 +0000 (-0800)
Subject: IntDev: packet latency fix
X-Git-Tag: stable_2012_02_02~596
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eea78f968b8c959e377bcdf50203c070de5057ac;p=gem5.git

IntDev: packet latency fix

The x86 local apic now includes a separate latency parameter for interrupts.
---

diff --git a/src/arch/x86/X86LocalApic.py b/src/arch/x86/X86LocalApic.py
index 483c65ef8..b9be19b64 100644
--- a/src/arch/x86/X86LocalApic.py
+++ b/src/arch/x86/X86LocalApic.py
@@ -34,3 +34,5 @@ class X86LocalApic(BasicPioDevice):
     cxx_class = 'X86ISA::Interrupts'
     pio_latency = Param.Latency('1ns', 'Programmed IO latency in simticks')
     int_port = Port("Port for sending and receiving interrupt messages")
+    int_latency = Param.Latency('1ns', \
+            "Latency for an interrupt to propagate through this device.")
diff --git a/src/arch/x86/interrupts.cc b/src/arch/x86/interrupts.cc
index a7d9f3277..61800e1ea 100644
--- a/src/arch/x86/interrupts.cc
+++ b/src/arch/x86/interrupts.cc
@@ -595,7 +595,8 @@ X86ISA::Interrupts::setReg(ApicRegIndex reg, uint32_t val)
 
 
 X86ISA::Interrupts::Interrupts(Params * p) :
-    BasicPioDevice(p), IntDev(this), latency(p->pio_latency), clock(0),
+    BasicPioDevice(p), IntDev(this, p->int_latency), latency(p->pio_latency), 
+    clock(0),
     apicTimerEvent(this),
     pendingSmi(false), smiVector(0),
     pendingNmi(false), nmiVector(0),