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Here is all the PCD functions. You can find their definition in the [https://github.com/tianocore/edk2/blob/master/MdePkg/Include/Library/PcdLib.h](https://github.com/tianocore/edk2/blob/master/MdePkg/Include/Library/PcdLib.h):
```
FixedPcdGetBool (TokenName)
FixedPcdGet8 (TokenName)
FixedPcdGet16 (TokenName)
FixedPcdGet32 (TokenName)
FixedPcdGet64 (TokenName)
FixedPcdGetPtr (TokenName)
FixedPcdGetSize (TokenName)
----------------------------------------------------------------------------------------------------
FeaturePcdGet (TokenName)
----------------------------------------------------------------------------------------------------
PatchPcdGetBool (TokenName) PatchPcdSetBool (TokenName, Value)
PatchPcdGet8 (TokenName) PatchPcdSet8 (TokenName, Value)
PatchPcdGet16 (TokenName) PatchPcdSet16 (TokenName, Value)
PatchPcdGet32 (TokenName) PatchPcdSet32 (TokenName, Value)
PatchPcdGet64 (TokenName) PatchPcdSet64 (TokenName, Value)
PatchPcdGetPtr (TokenName) PatchPcdSetPtr (TokenName, Size, Buffer)
PatchPcdGetSize (TokenName)
----------------------------------------------------------------------------------------------------
PcdGetBool (TokenName) PcdSetBoolS (TokenName, Value)
PcdGet8 (TokenName) PcdSet8S (TokenName, Value)
PcdGet16 (TokenName) PcdSet16S (TokenName, Value)
PcdGet32 (TokenName) PcdSet32S (TokenName, Value)
PcdGet64 (TokenName) PcdSet64S (TokenName, Value)
PcdGetPtr (TokenName) PcdSetPtrS (TokenName, SizeOfBuffer, Buffer)
PcdGetSize (TokenName)
----------------------------------------------------------------------------------------------------
PcdGetExBool (Guid, TokenName) PcdSetExBoolS (Guid, TokenName, Value)
PcdGetEx8 (Guid, TokenName) PcdSetEx8S (Guid, TokenName, Value)
PcdGetEx16 (Guid, TokenName) PcdSetEx16S (Guid, TokenName, Value)
PcdGetEx32 (Guid, TokenName) PcdSetEx32S (Guid, TokenName, Value)
PcdGetEx64 (Guid, TokenName) PcdSetEx64S (Guid, TokenName, Value)
PcdGetExPtr (Guid, TokenName) PcdSetExPtrS (Guid, TokenName, SizeOfBuffer, Buffer)
PcdGetExSize (Guid, TokenName)
```
Summary table:
| | Fixed at build | Feature Flag | Patchable | Dynamic | DynamicEx |
|---------------|-----------------------------------|-----------------------------------|------------------------------------|--------------------------------------------------------------|--------------------------------------------------------------------|
| .dec section: | [PcdsFixedAtBuild] | [PcdsFeatureFlag] | [PcdsPatchableInModule] | [PcdsDynamic] | [PcdsDynamicEx] |
| .dsc section: | [PcdsFixedAtBuild] | [PcdsFeatureFlag] | [PcdsPatchableInModule] | [PcdsDynamicDefault]<br>[PcdsDynamicHii]<br>[PcdsDynamicVpd] | [PcdsDynamicExDefault]<br>[PcdsDynamicExHii]<br>[PcdsDynamicExVpd] |
| .inf section: | [FixedPcd]<br>[Pcd] | [FeaturePcd]<br>[Pcd] | [PatchPcd]<br>[Pcd] | [Pcd] | [PcdEx] |
| Get: | `PcdGet<Type>`<br>`FixedPcdGet<Type>` | `PcdGetBool`<br>`FeaturePcdGet` | `PcdGet<Type>`<br>`PatchPcdGet<Type>` | `PcdGet<Type>` | `PcdGet<Type>`<br>`PcdGetEx<Type>` |
| Set: | - | - | `PcdSet<Type>S`<br>`PatchPcdSet<Type>` | `PcdSet<Type>S` | `PcdSet<Type>S`<br>`PcdSetEx<Type>S` |
| Scope: | Every module have its own copy | Every module have its own copy | Every module have its own copy | Global for<br>platform | Global for<br>platform |
\<Type\> = 8|16|32|64|Bool|Ptr
|
