On Wed, Jun 10, 2009 at 05:01:18PM +0200, Jes Sorensen wrote:
> Index: qemu-kvm/kvm/bios/acpi-ssdt.dsl
> ===================================================================
> --- /dev/null
> +++ qemu-kvm/kvm/bios/acpi-ssdt.dsl
> @@ -0,0 +1,140 @@
> +/*
> + * Bochs/QEMU ACPI SSDT ASL definition
> + *
> + * Copyright (c) 2006 Fabrice Bellard
I am not sure that there is even one bit of code below written by Fabrice.
> + * Copyright (c) 2009 SGI, Jes Sorensen <jes@xxxxxxx>
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License version 2 as published by the Free Software Foundation.
> + *
> + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
> + */
> +DefinitionBlock (
> + "acpi-ssdt.aml", // Output Filename
> + "SSDT", // Signature
> + 0x01, // DSDT Compliance Revision
> + "BXPC", // OEMID
> + "BXSSDT", // TABLE ID
> + 0x1 // OEM Revision
> + )
> +{
> + Scope (\_PR)
> + {
> + /* pointer to first element of MADT APIC structures */
> + OperationRegion(ATPR, SystemMemory, 0x0514, 4)
> + Field (ATPR, DwordAcc, NoLock, Preserve)
> + {
> + ATP, 32
> + }
> +
> +#define madt_addr(nr) Add (ATP, Multiply(nr, 8))
> +
> +#define gen_processor(nr, name) \
> + Processor (C##name, nr, 0x0000b010, 0x06) { \
> + OperationRegion (MATR, SystemMemory, madt_addr(nr), 8) \
> + Field (MATR, ByteAcc, NoLock, Preserve) \
> + { \
> + MAT, 64 \
> + } \
> + Field (MATR, ByteAcc, NoLock, Preserve) \
> + { \
> + Offset(4), \
> + FLG, 1 \
> + } \
> + Method(_MAT, 0) { \
> + Return(MAT) \
> + } \
> + Method (_STA) { \
> + If (FLG) { Return(0xF) } Else { Return(0x9) } \
> + } \
> + } \
> +
> +
> + gen_processor(0, 0)
> + gen_processor(1, 1)
> + gen_processor(2, 2)
> + gen_processor(3, 3)
> + gen_processor(4, 4)
> + gen_processor(5, 5)
> + gen_processor(6, 6)
> + gen_processor(7, 7)
> + gen_processor(8, 8)
> + gen_processor(9, 9)
> + gen_processor(10, A)
> + gen_processor(11, B)
> + gen_processor(12, C)
> + gen_processor(13, D)
> + gen_processor(14, E)
> +
> + Method (NTFY, 2) {
> +#define gen_ntfy(nr) \
> + If (LEqual(Arg0, 0x##nr)) { \
> + If (LNotEqual(Arg1, \_PR.C##nr.FLG)) { \
> + Store (Arg1, \_PR.C##nr.FLG) \
> + If (LEqual(Arg1, 1)) { \
> + Notify(C##nr, 1) \
> + } Else { \
> + Notify(C##nr, 3) \
> + } \
> + } \
> + }
> + gen_ntfy(0)
> + gen_ntfy(1)
> + gen_ntfy(2)
> + gen_ntfy(3)
> + gen_ntfy(4)
> + gen_ntfy(5)
> + gen_ntfy(6)
> + gen_ntfy(7)
> + gen_ntfy(8)
> + gen_ntfy(9)
> + gen_ntfy(A)
> + gen_ntfy(B)
> + gen_ntfy(C)
> + gen_ntfy(D)
> + gen_ntfy(E)
> + Return(One)
> + }
> +
> + OperationRegion(PRST, SystemIO, 0xaf00, 32)
> + Field (PRST, ByteAcc, NoLock, Preserve)
> + {
> + PRS, 256
> + }
> +
> + Method(PRSC, 0) {
> + Store(PRS, Local3)
> + Store(Zero, Local0)
> + While(LLess(Local0, 32)) {
> + Store(Zero, Local1)
> + Store(DerefOf(Index(Local3, Local0)), Local2)
> + While(LLess(Local1, 8)) {
> + NTFY(Add(Multiply(Local0, 8), Local1),
> + And(Local2, 1))
> + ShiftRight(Local2, 1, Local2)
> + Increment(Local1)
> + }
> + Increment(Local0)
> + }
> + Return(One)
> + }
> + }
> +
> + Scope (\)
> + {
> + /* Debug Output */
> + OperationRegion (DBG, SystemIO, 0xb044, 0x04)
> + Field (DBG, DWordAcc, NoLock, Preserve)
> + {
> + DBGL, 32,
> + }
> + }
Except may be this one, but it should stay in DSDT.
--
Gleb.
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