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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-03-03 15:11:31 +0000 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-03-06 11:27:00 +0100 |
| commit | 08855193cafebaa2e071ffb5f083bcb3cb6d4df0 (patch) | |
| tree | b9fb61b81e6758f4fb8f14a09ce19e94b175bdf9 /MdePkg/Include/AArch64 | |
| parent | 627dcba3528159dedfb12e846840206c2f83ab32 (diff) | |
| download | edk2-08855193cafebaa2e071ffb5f083bcb3cb6d4df0.tar.gz edk2-08855193cafebaa2e071ffb5f083bcb3cb6d4df0.tar.bz2 edk2-08855193cafebaa2e071ffb5f083bcb3cb6d4df0.zip | |
MdePkg/ProcessorBind: add defines for page allocation granularity
The UEFI spec differs between architectures in the minimum alignment
and granularity of page allocations that are visible to the OS as
EFI_MEMORY_RUNTIME regions.
So define macros that carry these values to the respective ProcessorBind.h
header files.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'MdePkg/Include/AArch64')
| -rw-r--r-- | MdePkg/Include/AArch64/ProcessorBind.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/MdePkg/Include/AArch64/ProcessorBind.h b/MdePkg/Include/AArch64/ProcessorBind.h index f100d96be0..775e7498c5 100644 --- a/MdePkg/Include/AArch64/ProcessorBind.h +++ b/MdePkg/Include/AArch64/ProcessorBind.h @@ -104,6 +104,12 @@ typedef INT64 INTN; ///
#define CPU_STACK_ALIGNMENT 16
+///
+/// Page allocation granularity for AARCH64
+///
+#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
+#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x10000)
+
//
// Modifier to ensure that all protocol member functions and EFI intrinsics
// use the correct C calling convention. All protocol member functions and
|