Thanks for the report. You might want to bring this to the attention of Dean Nelson and/or Al Stone -- as regular attendees of the ACPI Work Group they can file an ECR or show you how to do that if that's appropriate.
-- Cheers, Mark. > -----Original Message----- > From: Michael S. Tsirkin [mailto:m...@redhat.com] > Sent: Sunday, March 8, 2015 4:42 AM > To: Doran, Mark > Cc: dong....@hp.com; qemu-devel@nongnu.org > Subject: ACPI 5.1: 7.3.2 System \_Sx states > > Hello! > I have noticed the following inconsistency in ACPI spec 5.1. > 7.3.2 System \_Sx states > > States: > > Return Value: > A Package containing an Integer containing register values for sleeping > > It goes on to specify Table 7-221 System State Package which describes a > byte array in terms of byte length/byte offsets. > > In practice, I see that implementations define \_Sx as a package > containing 4 integers. > > Here's an example package generated by IASL: > > 52: Name(_S4, Package(0x04) { > 53: 0x2, > 54: 0x2, > 55: Zero, > 56: Zero > 57: }) > > 00000091: 08 5F 53 34 5F ......... "._S4_" > 00000096: 12 08 04 0A 02 0A 02 00 "........" > 0000009E: 00 ..................... "." > > In other words, there are 4 integer values, and these are not at offsets > specified by the spec. > > Suggested corrected wording: > > Return Value: > A Package containing a list of 4 Integers containing register values for > sleeping > > and update Table 7-221 System State Package > > as follows: > > > Type Description > > Integer Value for PM1a_CNT.SLP_TYP register to enter this system > state. On > HW-reduced > platforms, this is the HW-reduced Sleep Type value for > SLEEP_CONTROL_REG.SLP_TYP. > > Integer Value for PM1b_CNT.SLP_TYP register to enter this system > state. To enter any > given state, OSPM must write the PM1a_CNT.SLP_TYP register > before the > PM1b_CNT.SLP_TYP register. On HW-reduced platforms, this value > is > ignored. > > Integer Reserved. This value is ignored by the OSPM. > Integer Reserved. This value is ignored by the OSPM. > > -- > MST
smime.p7s
Description: S/MIME cryptographic signature
