[SeaBIOS] [PATCH 2/3] Allow bios to detect if qemu has cpus status map for acpi hotplug.
Kevin O'Connor
kevin at koconnor.net
Tue Mar 13 00:54:13 CET 2012
On Sat, Mar 10, 2012 at 12:47:27PM +0100, Igor Mammedov wrote:
>
> Signed-off-by: Igor Mammedov <imammedo at redhat.com>
> ---
> src/paravirt.c | 12 ++++++++++++
> src/paravirt.h | 2 ++
> 2 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/src/paravirt.c b/src/paravirt.c
> index 9cf77de..c2bd0a8 100644
> --- a/src/paravirt.c
> +++ b/src/paravirt.c
> @@ -305,6 +305,18 @@ u16 qemu_cfg_get_max_cpus(void)
> return cnt;
> }
>
> +u16 qemu_cfg_have_acpi_cpus_map(void)
> +{
> + u16 cnt;
> +
> + if (!qemu_cfg_present)
> + return 0;
> +
> + qemu_cfg_read_entry(&cnt, QEMU_CFG_HAVE_ACPI_CPUS_MAP, sizeof(cnt));
> +
> + return cnt;
> +}
Please use the "file" interface for passing new variables into
seabios. This enables the seabios code to look something like:
romfile_loadint("etc/have_acpi_map", 0);
with no need to write per-file handlers.
-Kevin
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