2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License along
13 * with this program; if not, see <http://www.gnu.org/licenses/>.
16 /****************************************************************
18 ****************************************************************/
21 /* Objects filled in by run-time generated SSDT */
22 External(NTFY, MethodObj)
23 External(CPON, PkgObj)
24 External(PRS, FieldUnitObj)
26 /* Methods called by run-time generated SSDT Processor objects */
27 Method(CPST, 1, NotSerialized) {
28 // _STA method - return ON status of cpu
29 // Arg0 = Processor ID = Local APIC ID
30 // Local0 = CPON flag for this cpu
31 Store(DerefOf(Index(CPON, Arg0)), Local0)
40 // Local5 = active cpu bitmap
42 // Local2 = last read byte from bitmap
44 // Local0 = Processor ID / APIC ID iterator
46 While (LLess(Local0, SizeOf(CPON))) {
47 // Local1 = CPON flag for this cpu
48 Store(DerefOf(Index(CPON, Local0)), Local1)
49 If (And(Local0, 0x07)) {
50 // Shift down previously read bitmap byte
51 ShiftRight(Local2, 1, Local2)
53 // Read next byte from cpu bitmap
54 Store(DerefOf(Index(Local5, ShiftRight(Local0, 3))), Local2)
56 // Local3 = active state for this cpu
57 Store(And(Local2, 1), Local3)
59 If (LNotEqual(Local1, Local3)) {
60 // State change - update CPON with new state
61 Store(Local3, Index(CPON, Local0))
63 If (LEqual(Local3, 1)) {