]> git.proxmox.com Git - mirror_edk2.git/commitdiff
MdePkg/UefiSpec: separate page access bitmask from SP and CRYPTO caps
authorMalgorzata Kukiello <jacek.kukiello@intel.com>
Thu, 24 Sep 2020 10:21:32 +0000 (18:21 +0800)
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Sat, 10 Oct 2020 04:04:50 +0000 (04:04 +0000)
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>
MdePkg/Include/Uefi/UefiSpec.h

index 05b82e0be10c7c526cb667050e224fa76c959ee9..2b1b72d86286e6573a6279354629069662aa78a0 100644 (file)
@@ -113,7 +113,8 @@ typedef enum {
 // Attributes bitmasks, grouped by type\r
 //\r
 #define EFI_CACHE_ATTRIBUTE_MASK (EFI_MEMORY_UC | EFI_MEMORY_WC | EFI_MEMORY_WT | EFI_MEMORY_WB | EFI_MEMORY_UCE | EFI_MEMORY_WP)\r
-#define EFI_MEMORY_ATTRIBUTE_MASK (EFI_MEMORY_RP | EFI_MEMORY_XP | EFI_MEMORY_RO | EFI_MEMORY_SP | EFI_MEMORY_CPU_CRYPTO)\r
+#define EFI_MEMORY_ACCESS_MASK (EFI_MEMORY_RP | EFI_MEMORY_XP | EFI_MEMORY_RO)\r
+#define EFI_MEMORY_ATTRIBUTE_MASK (EFI_MEMORY_ACCESS_MASK | EFI_MEMORY_SP | EFI_MEMORY_CPU_CRYPTO)\r
 \r
 ///\r
 /// Memory descriptor version number.\r