ARMHF: CPU Support for armhf.

Adding CPU encoder/decoder for armhf to avoid runtime error messages.

Signed-off-by: Chuck Short <chuck.short@canonical.com>

AUTHORS

@@ -248,6 +248,7 @@ Patches have also been contributed by:
   Thang Pham           <thang.pham@us.ibm.com>
   Eiichi Tsukata       <eiichi.tsukata.xh@hitachi.com>
   Sascha Peilicke      <saschpe@suse.de>
+  Chuck Short          <chuck.short@canonical.com>
 
   [....send patches to get your name here....]
 

src/Makefile.am

@@ -567,6 +567,7 @@ CPU_SOURCES =							\
 		cpu/cpu_generic.h cpu/cpu_generic.c		\
 		cpu/cpu_x86.h cpu/cpu_x86.c cpu/cpu_x86_data.h	\
 		cpu/cpu_s390.h cpu/cpu_s390.c			\
+		cpu/cpu_arm.h cpu/cpu_arm.c			\
 		cpu/cpu_map.h cpu/cpu_map.c cpu/cpu_powerpc.h	\
 		cpu/cpu_powerpc.c
 

src/cpu/cpu.c

@@ -30,6 +30,7 @@
 #include "cpu_x86.h"
 #include "cpu_powerpc.h"
 #include "cpu_s390.h"
+#include "cpu_arm.h"
 #include "cpu_generic.h"
 
 
@@ -40,6 +41,7 @@ static struct cpuArchDriver *drivers[] = {
     &cpuDriverX86,
     &cpuDriverPowerPC,
     &cpuDriverS390,
+    &cpuDriverArm,
     /* generic driver must always be the last one */
     &cpuDriverGeneric
 };

src/cpu/cpu_arm.c

@@ -0,0 +1,75 @@
+/*
+ * cpu_arm.c: CPU driver for arm CPUs
+ *
+ * Copyright (C) Canonical Ltd. 2012
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+ *
+ * Authors:
+ *      Chuck Short <chuck.short@canonical.com>
+ */
+
+#include <config.h>
+
+#include "memory.h"
+#include "cpu.h"
+
+#define VIR_FROM_THIS VIR_FROM_CPU
+
+static const char *archs[] = { "armv7l" };
+
+static union cpuData *
+ArmNodeData(void)
+{
+    union cpuData *data;
+
+    if (VIR_ALLOC(data) < 0) {
+        virReportOOMError();
+        return NULL;
+    }
+
+    return data;
+}
+
+static int
+ArmDecode(virCPUDefPtr cpu ATTRIBUTE_UNUSED,
+          const union cpuData *data ATTRIBUTE_UNUSED,
+          const char **models ATTRIBUTE_UNUSED,
+          unsigned int nmodels ATTRIBUTE_UNUSED,
+          const char *preferred ATTRIBUTE_UNUSED)
+{
+    return 0;
+}
+
+static void
+ArmDataFree(union cpuData *data)
+{
+    VIR_FREE(data);
+}
+
+struct cpuArchDriver cpuDriverArm = {
+    .name = "arm",
+    .arch = archs,
+    .narch = ARRAY_CARDINALITY(archs),
+    .compare = NULL,
+    .decode = ArmDecode,
+    .encode = NULL,
+    .free = ArmDataFree,
+    .nodeData = ArmNodeData,
+    .guestData = NULL,
+    .baseline = NULL,
+    .update = NULL,
+    .hasFeature = NULL,
+};

src/cpu/cpu_arm.h

@@ -0,0 +1,31 @@
+/*
+ * cpu_arm.h: CPU driver for arm CPUs
+ *
+ * Copyright (C) Canonical Ltd. 2012
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+ *
+ * Authors:
+ *      Chuck Short <chuck.short@canonical.com>
+ */
+
+#ifndef __VIR_CPU_ARM_H__
+# define __VIR_CPU_ARM_H__
+
+# include "cpu.h"
+
+extern struct cpuArchDriver cpuDriverArm;
+
+#endif /* __VIR_CPU_ARM_H__ */