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| author | Malgorzata Kukiello <jacek.kukiello@intel.com> | 2020-09-24 18:21:32 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-10-10 04:04:50 +0000 |
| commit | 61915c4144ab490de797b540e840bc8a09256d49 (patch) | |
| tree | d6ebe4d4d058dba95753443bbc46edeb0be12992 /MdePkg | |
| parent | 244be783ae0407aa01f5b9db11d990a2e5d3212d (diff) | |
| download | edk2-61915c4144ab490de797b540e840bc8a09256d49.tar.gz edk2-61915c4144ab490de797b540e840bc8a09256d49.tar.bz2 edk2-61915c4144ab490de797b540e840bc8a09256d49.zip | |
MdePkg/UefiSpec: separate page access bitmask from SP and CRYPTO caps
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2982
Operating systems are capable of treating SP and CRYPTO memory capabilities
and not as attributes. This means that these capabilites cannot be hidden
from OSs. For this reason, the SP and CRYPTO bits should be separated from
the bitmask that we use for hiding the page-access attributes.
Common mask for ATTRIBUTES was introduced in
3bd5c994c879f78e8e3d5346dc3b627f199291aa
Signed-off-by: Malgorzata Kukiello <jacek.kukiello@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Oleksiy Yakovlev <oleksiyy@ami.com>
Cc: Ard Biesheuvel (ARM address) <ard.biesheuvel@arm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Uefi/UefiSpec.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h index 05b82e0be1..2b1b72d862 100644 --- a/MdePkg/Include/Uefi/UefiSpec.h +++ b/MdePkg/Include/Uefi/UefiSpec.h @@ -113,7 +113,8 @@ typedef enum { // 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)
+#define EFI_MEMORY_ACCESS_MASK (EFI_MEMORY_RP | EFI_MEMORY_XP | EFI_MEMORY_RO)
+#define EFI_MEMORY_ATTRIBUTE_MASK (EFI_MEMORY_ACCESS_MASK | EFI_MEMORY_SP | EFI_MEMORY_CPU_CRYPTO)
///
/// Memory descriptor version number.
|