[edk2-devel] [PATCH V2 1/3] MdePkg: Add New Memory Attributes

[Liming Gao]

Reviewed-by: Liming Gao <liming.gao at intel.com>

> -----Original Message-----
> From: Laszlo Ersek <lersek at redhat.com>
> Sent: Wednesday, June 24, 2020 5:27 PM
> To: Oleksiy Yakovlev <oleksiyy at ami.com>; devel at edk2.groups.io
> Cc: Gao, Liming <liming.gao at intel.com>; Kinney, Michael D <michael.d.kinney at intel.com>; Bi, Dandan <dandan.bi at intel.com>; Ni,
> Ray <ray.ni at intel.com>; Kumar, Rahul1 <rahul1.kumar at intel.com>; Felixp at ami.com
> Subject: Re: [PATCH V2 1/3] MdePkg: Add New Memory Attributes
> 
> On 06/23/20 23:55, Oleksiy Yakovlev wrote:
> > Add usage of EFI_MEMORY_SP and EFI_MEMORY_CPU_CRYPTO
> > attributes introduced in UEFI 2.8.
> > (UEFI 2.8, mantis 1919 and 1872).
> > Fix typos in EFI_MEMORY_CPU_CRYPTO description.
> > Add attributes bitmasks, grouped by type.
> >
> > Signed-off-by: Oleksiy Yakovlev <oleksiyy at ami.com>
> > ---
> >  MdePkg/Include/Uefi/UefiSpec.h | 10 ++++++++--
> >  1 file changed, 8 insertions(+), 2 deletions(-)
> >
> > diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h
> > index 558e1bc..05b82e0 100644
> > --- a/MdePkg/Include/Uefi/UefiSpec.h
> > +++ b/MdePkg/Include/Uefi/UefiSpec.h
> > @@ -96,9 +96,9 @@ typedef enum {
> >  #define EFI_MEMORY_SP               0x0000000000040000ULL
> >  //
> >  // If this flag is set, the memory region is capable of being
> > -// protected with the CPU?s memory cryptographic
> > +// protected with the CPU's memory cryptographic
> >  // capabilities. If this flag is clear, the memory region is not
> > -// capable of being protected with the CPU?s memory
> > +// capable of being protected with the CPU's memory
> >  // cryptographic capabilities or the CPU does not support CPU
> >  // memory cryptographic capabilities.
> >  //
> > @@ -109,6 +109,12 @@ typedef enum {
> >  //
> >  #define EFI_MEMORY_RUNTIME          0x8000000000000000ULL
> >
> > +//
> > +// Attributes bitmasks, grouped by type
> > +//
> > +#define EFI_CACHE_ATTRIBUTE_MASK (EFI_MEMORY_UC | EFI_MEMORY_WC | EFI_MEMORY_WT | EFI_MEMORY_WB |
> EFI_MEMORY_UCE | EFI_MEMORY_WP)
> > +#define EFI_MEMORY_ATTRIBUTE_MASK (EFI_MEMORY_RP | EFI_MEMORY_XP | EFI_MEMORY_RO | EFI_MEMORY_SP |
> EFI_MEMORY_CPU_CRYPTO)
> > +
> >  ///
> >  /// Memory descriptor version number.
> >  ///
> >
> 
> Reviewed-by: Laszlo Ersek <lersek at redhat.com>


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