Re: [Qemu-devel] [seabios PATCH for qemu 2.10 0/2] seabios: build ACPI 1.0-compatible ACPI tables

2017-08-01 Thread Michael S. Tsirkin
On Wed, Jul 26, 2017 at 11:42:33AM +0200, Paolo Bonzini wrote: > Old operating systems would like to have a rev1 (ACPI 1.0) FADT, but > new operating systems would like to have rev3 (ACPI 2.0). > Since old operating systems do not know about XSDTs, the > solution is to point the RSDT to a v1 FADT a

[Qemu-devel] [seabios PATCH for qemu 2.10 0/2] seabios: build ACPI 1.0-compatible ACPI tables

2017-07-26 Thread Paolo Bonzini
Old operating systems would like to have a rev1 (ACPI 1.0) FADT, but new operating systems would like to have rev3 (ACPI 2.0). Since old operating systems do not know about XSDTs, the solution is to point the RSDT to a v1 FADT and the XSDT to a rev3 FADT. Paolo Bonzini (2): seabios: build RSDT