2014-10-15 11:45:44 +04:00
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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External(MEMORY_SLOT_NOTIFY_METHOD, MethodObj)
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Scope(\_SB.PCI0) {
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Device(MEMORY_HOTPLUG_DEVICE) {
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Name(_HID, "PNP0A06")
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Name(_UID, "Memory hotplug resources")
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External(MEMORY_SLOTS_NUMBER, IntObj)
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/* Memory hotplug IO registers */
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2015-02-18 22:14:47 +03:00
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External(MEMORY_SLOT_ADDR_LOW, FieldUnitObj) // read only
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External(MEMORY_SLOT_ADDR_HIGH, FieldUnitObj) // read only
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External(MEMORY_SLOT_SIZE_LOW, FieldUnitObj) // read only
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External(MEMORY_SLOT_SIZE_HIGH, FieldUnitObj) // read only
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External(MEMORY_SLOT_PROXIMITY, FieldUnitObj) // read only
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External(MEMORY_SLOT_ENABLED, FieldUnitObj) // 1 if enabled, read only
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External(MEMORY_SLOT_INSERT_EVENT, FieldUnitObj) // (read) 1 if has a insert event. (write) 1 to clear event
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External(MEMORY_SLOT_SLECTOR, FieldUnitObj) // DIMM selector, write only
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External(MEMORY_SLOT_OST_EVENT, FieldUnitObj) // _OST event code, write only
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External(MEMORY_SLOT_OST_STATUS, FieldUnitObj) // _OST status code, write only
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2014-10-15 11:45:44 +04:00
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Method(_STA, 0) {
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If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {
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Return(0x0)
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}
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/* present, functioning, decoding, not shown in UI */
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Return(0xB)
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}
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Mutex (MEMORY_SLOT_LOCK, 0)
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Method(MEMORY_SLOT_SCAN_METHOD, 0) {
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If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {
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Return(Zero)
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}
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Store(Zero, Local0) // Mem devs iterrator
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Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
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while (LLess(Local0, MEMORY_SLOTS_NUMBER)) {
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Store(Local0, MEMORY_SLOT_SLECTOR) // select Local0 DIMM
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If (LEqual(MEMORY_SLOT_INSERT_EVENT, One)) { // Memory device needs check
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MEMORY_SLOT_NOTIFY_METHOD(Local0, 1)
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Store(1, MEMORY_SLOT_INSERT_EVENT)
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}
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// TODO: handle memory eject request
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Add(Local0, One, Local0) // goto next DIMM
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}
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Release(MEMORY_SLOT_LOCK)
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Return(One)
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}
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Method(MEMORY_SLOT_STATUS_METHOD, 1) {
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Store(Zero, Local0)
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Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
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Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
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If (LEqual(MEMORY_SLOT_ENABLED, One)) {
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Store(0xF, Local0)
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}
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Release(MEMORY_SLOT_LOCK)
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Return(Local0)
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}
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Method(MEMORY_SLOT_CRS_METHOD, 1, Serialized) {
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Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
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Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
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Name(MR64, ResourceTemplate() {
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QWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x0000000000000000, // Address Space Granularity
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0x0000000000000000, // Address Range Minimum
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0xFFFFFFFFFFFFFFFE, // Address Range Maximum
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0x0000000000000000, // Address Translation Offset
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0xFFFFFFFFFFFFFFFF, // Address Length
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,, MW64, AddressRangeMemory, TypeStatic)
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})
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CreateDWordField(MR64, 14, MINL)
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CreateDWordField(MR64, 18, MINH)
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CreateDWordField(MR64, 38, LENL)
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CreateDWordField(MR64, 42, LENH)
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CreateDWordField(MR64, 22, MAXL)
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CreateDWordField(MR64, 26, MAXH)
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Store(MEMORY_SLOT_ADDR_HIGH, MINH)
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Store(MEMORY_SLOT_ADDR_LOW, MINL)
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Store(MEMORY_SLOT_SIZE_HIGH, LENH)
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Store(MEMORY_SLOT_SIZE_LOW, LENL)
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// 64-bit math: MAX = MIN + LEN - 1
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Add(MINL, LENL, MAXL)
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Add(MINH, LENH, MAXH)
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If (LLess(MAXL, MINL)) {
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Add(MAXH, One, MAXH)
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}
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If (LLess(MAXL, One)) {
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Subtract(MAXH, One, MAXH)
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}
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Subtract(MAXL, One, MAXL)
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If (LEqual(MAXH, Zero)){
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Name(MR32, ResourceTemplate() {
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DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
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Cacheable, ReadWrite,
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0x00000000, // Address Space Granularity
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0x00000000, // Address Range Minimum
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0xFFFFFFFE, // Address Range Maximum
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0x00000000, // Address Translation Offset
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0xFFFFFFFF, // Address Length
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,, MW32, AddressRangeMemory, TypeStatic)
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})
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CreateDWordField(MR32, MW32._MIN, MIN)
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CreateDWordField(MR32, MW32._MAX, MAX)
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CreateDWordField(MR32, MW32._LEN, LEN)
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Store(MINL, MIN)
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Store(MAXL, MAX)
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Store(LENL, LEN)
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Release(MEMORY_SLOT_LOCK)
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Return(MR32)
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}
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Release(MEMORY_SLOT_LOCK)
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Return(MR64)
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}
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Method(MEMORY_SLOT_PROXIMITY_METHOD, 1) {
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Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
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Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
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Store(MEMORY_SLOT_PROXIMITY, Local0)
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Release(MEMORY_SLOT_LOCK)
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Return(Local0)
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}
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Method(MEMORY_SLOT_OST_METHOD, 4) {
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Acquire(MEMORY_SLOT_LOCK, 0xFFFF)
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Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM
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Store(Arg1, MEMORY_SLOT_OST_EVENT)
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Store(Arg2, MEMORY_SLOT_OST_STATUS)
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Release(MEMORY_SLOT_LOCK)
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}
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} // Device()
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} // Scope()
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