8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_VM_VM_VERSION_X86_HPP
26 #define CPU_X86_VM_VM_VERSION_X86_HPP
27
28 #include "runtime/globals_extension.hpp"
29 #include "runtime/vm_version.hpp"
30
31 class VM_Version : public Abstract_VM_Version {
32 friend class VMStructs;
33 friend class JVMCIVMStructs;
34
35 public:
36 // cpuid result register layouts. These are all unions of a uint32_t
37 // (in case anyone wants access to the register as a whole) and a bitfield.
38
39 union StdCpuid1Eax {
40 uint32_t value;
41 struct {
42 uint32_t stepping : 4,
43 model : 4,
44 family : 4,
45 proc_type : 2,
46 : 2,
47 ext_model : 4,
48 ext_family : 8,
49 : 4;
|
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_VM_VM_VERSION_X86_HPP
26 #define CPU_X86_VM_VM_VERSION_X86_HPP
27
28 #include "runtime/abstract_vm_version.hpp"
29 #include "runtime/globals_extension.hpp"
30
31 class VM_Version : public Abstract_VM_Version {
32 friend class VMStructs;
33 friend class JVMCIVMStructs;
34
35 public:
36 // cpuid result register layouts. These are all unions of a uint32_t
37 // (in case anyone wants access to the register as a whole) and a bitfield.
38
39 union StdCpuid1Eax {
40 uint32_t value;
41 struct {
42 uint32_t stepping : 4,
43 model : 4,
44 family : 4,
45 proc_type : 2,
46 : 2,
47 ext_model : 4,
48 ext_family : 8,
49 : 4;
|