On Thu, 2013-11-14 at 14:01 +0200, Michael S. Tsirkin wrote:
> IASL stores it's revision in each table header it generates.
> That's not nice since guests will see a change each time
> they move between hypervisors.
> We generally fill our own info for tables,
> but we (and seabios) forgot to do this for the built-in DSDT.
>
> Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
Modifications in DSDT table:
OEM ID: "BXPC" -> "BOCHS "
OEM Table ID: "BXDSDT" -> "BXPCDSDT"
Compiler ID: "INTL" -> "BXPC"
Compiler Version: 0x20130823 -> 0x00000001
Tested-by: Marcel Apfelbaum <marce...@redhat.com>
> ---
>
> Probably not important enough for 1.7. Queued for 1.8.
>
> hw/i386/acpi-build.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index 486e705..8ae4f26 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -921,10 +921,16 @@ build_mcfg_q35(GArray *table_data, GArray *linker,
> AcpiMcfgInfo *info)
> static void
> build_dsdt(GArray *table_data, GArray *linker, AcpiMiscInfo *misc)
> {
> - void *dsdt;
> + AcpiTableHeader *dsdt;
> +
> assert(misc->dsdt_code && misc->dsdt_size);
> +
> dsdt = acpi_data_push(table_data, misc->dsdt_size);
> memcpy(dsdt, misc->dsdt_code, misc->dsdt_size);
> +
> + memset(dsdt, 0, sizeof *dsdt);
> + build_header(linker, table_data, dsdt, ACPI_DSDT_SIGNATURE,
> + misc->dsdt_size, 1);
> }
>
> /* Build final rsdt table */
