On Thu, May 10, 2018 at 03:41:43PM -0500, Babu Moger wrote:
> The property legacy-cache will be used to control the cache information.
> If user passes "-cpu legacy-cache" then older information will
> be displayed even if the hardware supports new information. Otherwise
> use the statically loaded cache definitions if available.
>
> Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
> Tested-by: Geoffrey McRae <geoff@xxxxxxxxxxxxxxx>
> ---
> include/hw/i386/pc.h | 8 ++++
> target/i386/cpu.c | 97 ++++++++++++++++++++++++++++++++------------
> target/i386/cpu.h | 5 +++
> 3 files changed, 84 insertions(+), 26 deletions(-)
>
> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
> index 2e834e6ded..df15deefca 100644
> --- a/include/hw/i386/pc.h
> +++ b/include/hw/i386/pc.h
> @@ -304,6 +304,14 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
> int e820_get_num_entries(void);
> bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
>
> +#define PC_COMPAT_2_12 \
> + HW_COMPAT_2_12 \
> + {\
> + .driver = TYPE_X86_CPU,\
> + .property = "legacy-cache",\
> + .value = "on",\
> + },
This isn't enough if the pc-*-2.12 machine-type isn't using the
macro.
Before we do this, we need a commit similar to commit
df47ce8af4a5, but adding pc-*-2.13 machine-types.
The rest of the patch looks good to me, but I will suggest a
clean up (that can be submitted a separate patch later, or
included in v9) in a separate reply.
--
Eduardo
