commit f0b0685d6694a28c66018f438e822596243b1250
author Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Thu Apr 27 10:48:23 2017 +0530
committer David Gibson <david@gibson.dropbear.id.au> Thu May 11 09:45:15 2017 +1000
tree fc23d68679e8bd4755d9792a3fd46fce5e645946
parent a3e53273ad52551b61c0cdb8f48a19eb22c05831

tcg: enable MTTCG by default for PPC64 on x86

This enables the multi-threaded system emulation by default for PPC64
guests using the x86_64 TCG back-end.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

configure

diff --git a/configure b/configure
index 7c020c0..84c37d4 100755
--- a/configure
+++ b/configure
@@ -6110,12 +6110,14 @@
   ppc64)
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
+    mttcg=yes
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
   ;;
   ppc64le)
     TARGET_ARCH=ppc64
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
+    mttcg=yes
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
   ;;
   ppc64abi32)

target/ppc/cpu.h

diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index e0ff041..ece535d 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -30,6 +30,8 @@
 #define TARGET_LONG_BITS 64
 #define TARGET_PAGE_BITS 12
 
+#define TCG_GUEST_DEFAULT_MO 0
+
 /* Note that the official physical address space bits is 62-M where M
    is implementation dependent.  I've not looked up M for the set of
    cpus we emulate at the system level.  */