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| author | Ard Biesheuvel <ard.biesheuvel@arm.com> | 2020-03-31 19:24:57 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-04-02 12:35:52 +0000 |
| commit | 49188b2aa481e76190883e73147af72128c878db (patch) | |
| tree | 8f66f3470429b165df24fdac118707ab4cfadc8f /ArmPkg/Library | |
| parent | f45e254f2e2b1e25f10b21a2bbb6d833ae45b5c5 (diff) | |
| download | edk2-49188b2aa481e76190883e73147af72128c878db.tar.gz edk2-49188b2aa481e76190883e73147af72128c878db.tar.bz2 edk2-49188b2aa481e76190883e73147af72128c878db.zip | |
ArmPkg/CpuDxe: move PageAttributeToGcdAttribute() out of ArmMmuLib
The routine PageAttributeToGcdAttribute() is exported by ArmMmuLib
but only ever used in the implementation of CpuDxe. So let's move
the function there and make it STATIC.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Diffstat (limited to 'ArmPkg/Library')
| -rw-r--r-- | ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c index 3b10ef58f0..d16e847218 100644 --- a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c +++ b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibCore.c @@ -57,51 +57,6 @@ ArmMemoryAttributeToPageAttribute ( }
}
-UINT64
-PageAttributeToGcdAttribute (
- IN UINT64 PageAttributes
- )
-{
- UINT64 GcdAttributes;
-
- switch (PageAttributes & TT_ATTR_INDX_MASK) {
- case TT_ATTR_INDX_DEVICE_MEMORY:
- GcdAttributes = EFI_MEMORY_UC;
- break;
- case TT_ATTR_INDX_MEMORY_NON_CACHEABLE:
- GcdAttributes = EFI_MEMORY_WC;
- break;
- case TT_ATTR_INDX_MEMORY_WRITE_THROUGH:
- GcdAttributes = EFI_MEMORY_WT;
- break;
- case TT_ATTR_INDX_MEMORY_WRITE_BACK:
- GcdAttributes = EFI_MEMORY_WB;
- break;
- default:
- DEBUG ((DEBUG_ERROR,
- "PageAttributeToGcdAttribute: PageAttributes:0x%lX not supported.\n",
- PageAttributes));
- ASSERT (0);
- // The Global Coherency Domain (GCD) value is defined as a bit set.
- // Returning 0 means no attribute has been set.
- GcdAttributes = 0;
- }
-
- // Determine protection attributes
- if (((PageAttributes & TT_AP_MASK) == TT_AP_NO_RO) ||
- ((PageAttributes & TT_AP_MASK) == TT_AP_RO_RO)) {
- // Read only cases map to write-protect
- GcdAttributes |= EFI_MEMORY_RO;
- }
-
- // Process eXecute Never attribute
- if ((PageAttributes & (TT_PXN_MASK | TT_UXN_MASK)) != 0) {
- GcdAttributes |= EFI_MEMORY_XP;
- }
-
- return GcdAttributes;
-}
-
#define MIN_T0SZ 16
#define BITS_PER_LEVEL 9
|