changeset 9f456b5cc474 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=9f456b5cc474
description:
config, kvm: Enabling KvmCPU in SE mode
This patch modifies se.py such that it can now use kvm cpu model.
diffstat:
configs/example/se.py | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diffs (33 lines):
diff -r fe2e2f06a7c8 -r 9f456b5cc474 configs/example/se.py
--- a/configs/example/se.py Sun Nov 23 18:01:08 2014 -0800
+++ b/configs/example/se.py Sun Nov 23 18:01:08 2014 -0800
@@ -62,6 +62,13 @@
from Caches import *
from cpu2000 import *
+# Check if KVM support has been enabled, we might need to do VM
+# configuration if that's the case.
+have_kvm_support = 'BaseKvmCPU' in globals()
+def is_kvm_cpu(cpu_class):
+ return have_kvm_support and cpu_class != None and \
+ issubclass(cpu_class, BaseKvmCPU)
+
def get_processes(options):
"""Interprets provided options and returns a list of processes"""
@@ -187,6 +194,15 @@
for cpu in system.cpu:
cpu.clk_domain = system.cpu_clk_domain
+if is_kvm_cpu(CPUClass) or is_kvm_cpu(FutureClass):
+ if buildEnv['TARGET_ISA'] == 'x86':
+ system.vm = KvmVM()
+ for process in multiprocesses:
+ process.useArchPT = True
+ process.kvmInSE = True
+ else:
+ fatal("KvmCPU can only be used in SE mode with x86")
+
# Sanity check
if options.fastmem:
if CPUClass != AtomicSimpleCPU:
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