Date: Sun, 12 Sep 2010 09:12:48 +0900 From: Norikatsu Shigemura <nork@FreeBSD.org> To: freebsd-current@FreeBSD.org, freebsd-acpi@FreeBSD.org Cc: Norikatsu Shigemura <nork@FreeBSD.org> Subject: Re: CPU C-state storange on Panasonic TOUGH BOOK CF-R9 Message-ID: <20100912091248.5c95bf2c.nork@FreeBSD.org> In-Reply-To: <20100912081409.9f4d74d0.nork@FreeBSD.org> References: <20100912014855.984a89ed.nork@FreeBSD.org> <4C8BCAC5.5050008@root.org> <20100912081409.9f4d74d0.nork@FreeBSD.org>
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On Sun, 12 Sep 2010 08:14:09 +0900 Norikatsu Shigemura <nork@FreeBSD.org> wrote: > According to acpidump -dt, I could find CPU0CST table, but > not found _CST. > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > Scope (\) > { > Name (SSDT, Package (0x0C) > { > : > "CPU0CST ", > 0xDA9AB618, > 0x000005CD, > : > }) > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > Hum... ACPI CA 20100806 has a bug? Humm... I wonder if CF-R9 required another initialization? I don't know what is HI0 and HC0. But default values of HI0 and HC0 is 0, and HI0 and HC0 are set CST related values by GCAP, I think.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Scope (\_PR.CPU0) { Name (HI0, Zero) Name (HC0, Zero) : Method (GCAP, 1, NotSerialized) { CreateDWordField (Arg0, Zero, STS0) CreateDWordField (Arg0, 0x04, CAP0) If (LOr (LEqual (STS0, 0x06), LEqual (STS0, 0x0A))) { Return (Zero) } If (And (STS0, One)) { And (CAP0, 0x0BFF, CAP0) Return (Zero) } Or (And (PDC0, 0x7FFFFFFF), CAP0, PDC0) If (And (CFGD, One)) { If (LAnd (LAnd (And (CFGD, 0x01000000), LEqual (And (PDC0, 0x09), 0x09)), LNot (And (SDTL, One)))) { Or (SDTL, One, SDTL) OperationRegion (IST0, SystemMemory, DerefOf (Index (SSDT, One)), DerefOf (Index (SSDT, 0x02 ))) Load (IST0, HI0) } } If (And (CFGD, 0xF0)) { If (LAnd (LAnd (And (CFGD, 0x01000000), And (PDC0, 0x18 )), LNot (And (SDTL, 0x02)))) { Or (SDTL, 0x02, SDTL) OperationRegion (CST0, SystemMemory, DerefOf (Index (SSDT, 0x07)), DerefOf (Index (SSDT, 0x08 ))) Load (CST0, HC0) } } Return (Zero) } - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Thank you. -- Norikatsu Shigemura <nork@FreeBSD.org>
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