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DynamicTablesPkg: Add Memory32Fixed function 

Add a Memory32Fixed function to generate code for the corresponding
Memory32Fixed macro in AML.

Signed-off-by: Rebecca Cran <quic_rcran@quicinc.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
This commit is contained in:
Rebecca Cran 2022-01-13 09:40:50 -07:00 committed by mergify[bot]
parent 017564d637
commit 45b1612659
2 changed files with 91 additions and 0 deletions
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33
DynamicTablesPkg/Include/Library/AmlLib/AmlLib.h
View File

@ -592,6 +592,39 @@ AmlCodeGenRdDWordMemory (
OUT AML_DATA_NODE_HANDLE *NewRdNode OPTIONAL
);
/** Code generation for the "Memory32Fixed ()" ASL macro.
The Resource Data effectively created is a 32-bit Memory Resource
Data. Cf ACPI 6.4:
- s19.6.83 "Memory Resource Descriptor Macro".
- s19.2.8 "Memory32FixedTerm".
See ACPI 6.4 spec, s19.2.8 for more.
@param [in] IsReadWrite ReadAndWrite parameter.
@param [in] Address AddressBase parameter.
@param [in] RangeLength Range length.
@param [in] NameOpNode NameOp object node defining a named object.
If provided, append the new resource data
node to the list of resource data elements
of this node.
@param [out] NewMemNode If provided and success,
contain the created node.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
@retval EFI_OUT_OF_RESOURCES Could not allocate memory.
**/
EFI_STATUS
EFIAPI
AmlCodeGenRdMemory32Fixed (
BOOLEAN IsReadWrite,
UINT32 Address,
UINT32 RangeLength,
AML_OBJECT_NODE_HANDLE NameOpNode,
AML_DATA_NODE_HANDLE *NewMemNode
);
/** Code generation for the "WordBusNumber ()" ASL function.
The Resource Data effectively created is a Word Address Space Resource

58
DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlResourceDataCodeGen.c
View File

@ -609,6 +609,64 @@ AmlCodeGenRdDWordMemory (
);
}
/** Code generation for the "Memory32Fixed ()" ASL macro.
The Resource Data effectively created is a 32-bit Memory Resource
Data. Cf ACPI 6.4:
- s19.6.83 "Memory Resource Descriptor Macro".
- s19.2.8 "Memory32FixedTerm".
See ACPI 6.4 spec, s19.2.8 for more.
@param [in] IsReadWrite ReadAndWrite parameter.
@param [in] Addres AddressBase parameter.
@param [in] RangeLength Range length.
@param [in] NameOpNode NameOp object node defining a named object.
If provided, append the new resource data
node to the list of resource data elements
of this node.
@param [out] NewMemNode If provided and success,
contain the created node.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
@retval EFI_OUT_OF_RESOURCES Could not allocate memory.
**/
EFI_STATUS
EFIAPI
AmlCodeGenRdMemory32Fixed (
BOOLEAN IsReadWrite,
UINT32 Address,
UINT32 RangeLength,
AML_OBJECT_NODE_HANDLE NameOpNode,
AML_DATA_NODE_HANDLE *NewMemNode
)
{
EFI_STATUS Status;
AML_DATA_NODE *MemNode;
EFI_ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR RangeDesc;
RangeDesc.Header.Header.Byte = ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR;
RangeDesc.Header.Length = sizeof (EFI_ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR) -
sizeof (ACPI_LARGE_RESOURCE_HEADER);
RangeDesc.Information = IsReadWrite ? BIT0 : 0;
RangeDesc.BaseAddress = Address;
RangeDesc.Length = RangeLength;
Status = AmlCreateDataNode (
EAmlNodeDataTypeResourceData,
(UINT8 *)&RangeDesc,
sizeof (RangeDesc),
&MemNode
);
if (EFI_ERROR (Status)) {
ASSERT (0);
return Status;
}
return LinkRdNode (MemNode, NameOpNode, NewMemNode);
}
/** Code generation for the "WordSpace ()" ASL function.
The Resource Data effectively created is a Word Address Space Resource