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2021-12-07DynamicTablesPkg: Apply uncrustify changesMichael Kubacki1-208/+237
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the DynamicTablesPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
2020-10-21DynamicTablesPkg: AmlLib\AmlDbgPrint fix ECC errorSami Mujawar1-5/+5
Fix ECC error 8001 reported errors in AmlDbgPrint. [8001] Only capital letters are allowed to be used for #define declarations. Signed-off-by: Sami Mujawar <sami.mujawar@arm.com> Reviewed-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
2020-10-21DynamicTablesPkg: AmlLib fix ECC errorsSami Mujawar1-3/+3
Fix the following ECC reported errors in AmlLib. - [1008] File has invalid Non-ACSII char. - [9002] The function headers should follow Doxygen special documentation blocks in section 2.3.5 Comment does NOT have tail **/ Signed-off-by: Sami Mujawar <sami.mujawar@arm.com> Reviewed-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
2020-08-13DynamicTablesPkg: AML Method parserPierre Gondois1-0/+1458
The AML language allows a Definition Block to implement methods that an Operating System can invoke at runtime. Although Dynamic AML does not provide interfaces to modify AML methods; an AML template code may contain methods and/or method invocations. Method definitions have an opcode defined in the AML encoding and can be easily parsed. However, the language does not define an opcode for method invocation. Method invocations are represented as a NameString followed by the arguments to the method. This poses a significant challenge for the AML parser as it has to determine if a NameString appearing in the AML byte stream is a method invocation and if it is a method invocation, then how many arguments follow. This also means the Method definition must occur prior to the method invocation in the AML byte stream. This is a hard requirement for the AML parser. The AML method parser maintains a NameSpaceRefList that keeps a track of every namespace node and its raw AML absolute path. The AmlIsMethodInvocation() searches the NameSpaceRefList to determine if a NameString matches a Method definition. A pseudo opcode has been defined in the AML encoding to represent the Method invocation in the AML tree. The AML encoding for method invocations in the ACPI specification 6.3 is: MethodInvocation := NameString TermArgList The AmlLib library redefines this as: MethodInvocation := MethodInvocationOp NameString ArgumentCount TermArgList ArgumentCount := ByteData Where MethodInvocationOp is the pseudo opcode and ArgumentCount is the number of arguments passed to the method. NOTE: The AmlLib library's definition for a method invocation only applies to the representation of method invocation node in the AML tree. When computing the size of a tree or serialising it, the additional data is not taken into account i.e. the MethodInvocationOp and the ArgumentCount are stripped before serialising. Method invocation nodes have the AML_METHOD_INVOVATION attribute set in the AmlLib library's representation of the AML encoding. Signed-off-by: Pierre Gondois <pierre.gondois@arm.com> Signed-off-by: Sami Mujawar <sami.mujawar@arm.com> Reviewed-by: Alexei Fedorov <Alexei.Fedorov@arm.com>