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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-02-22 09:38:21 +0000 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-02-22 13:22:42 +0000 |
| commit | 526f160f311c6d1540df68590712fdd70c2df0bc (patch) | |
| tree | baa4dc1145557da47cb6b954bae11686d3b8c769 /ArmPkg/Library/ArmMmuLib/AArch64 | |
| parent | 97f0d01d5df07c7a81e4c505494f43b4b46ffe6c (diff) | |
| download | edk2-526f160f311c6d1540df68590712fdd70c2df0bc.tar.gz edk2-526f160f311c6d1540df68590712fdd70c2df0bc.tar.bz2 edk2-526f160f311c6d1540df68590712fdd70c2df0bc.zip | |
ArmPkg/ArmMmuLib: AARCH64: enable stack alignment checking
Enable the hardware stack alignment check, as mandated by the UEFI spec.
This ensures that the stack pointer is 16 byte aligned at each instance
where it is used as the base address in a load/store operation.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Diffstat (limited to 'ArmPkg/Library/ArmMmuLib/AArch64')
| -rw-r--r-- | ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c index 9e0593ce59..2f8f99d44a 100644 --- a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c +++ b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c @@ -734,6 +734,7 @@ ArmConfigureMmu ( MAIR_ATTR(TT_ATTR_INDX_MEMORY_WRITE_BACK, MAIR_ATTR_NORMAL_MEMORY_WRITE_BACK)); // mapped to EFI_MEMORY_WB
ArmDisableAlignmentCheck ();
+ ArmEnableStackAlignmentCheck ();
ArmEnableInstructionCache ();
ArmEnableDataCache ();
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