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| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlResourceDataCodeGen.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlResourceDataCodeGen.h b/src/VBox/Devices/EFI/Firmware/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlResourceDataCodeGen.h new file mode 100644 index 00000000..cf4a98a3 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/DynamicTablesPkg/Library/Common/AmlLib/CodeGen/AmlResourceDataCodeGen.h @@ -0,0 +1,59 @@ +/** @file + AML Resource Data Code Generation. + + Copyright (c) 2019 - 2020, Arm Limited. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#ifndef AML_RESOURCE_DATA_CODE_GEN_H_ +#define AML_RESOURCE_DATA_CODE_GEN_H_ + +/** Code generation for the "Interrupt ()" ASL function. + + This function creates a Resource Data element corresponding to the + "Interrupt ()" ASL function and stores it in an AML Data Node. + + The Resource Data effectively created is an Extended Interrupt Resource + Data. See ACPI 6.3 specification, s6.4.3.6 "Extended Interrupt Descriptor" + for more information about Extended Interrupt Resource Data. + + This function allocates memory to create a data node. It is the caller's + responsibility to either: + - attach this node to an AML tree; + - delete this node. + + @param [in] ResourceConsumer The device consumes the specified interrupt + or produces it for use by a child device. + @param [in] EdgeTriggered The interrupt is edge triggered or + level triggered. + @param [in] ActiveLow The interrupt is active-high or active-low. + @param [in] Shared The interrupt can be shared with other + devices or not (Exclusive). + @param [in] IrqList Interrupt list. Must be non-NULL. + @param [in] IrqCount Interrupt count. Must be non-zero. + @param [in] ParentNode If not NULL, add the generated node + to the end of the variable list of + argument of the ParentNode, but + before the "End Tag" Resource Data. + Must be a BufferOpNode. + @param [out] NewRdNode If success, contains the generated 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 +AmlCodeGenInterrupt ( + IN BOOLEAN ResourceConsumer, + IN BOOLEAN EdgeTriggered, + IN BOOLEAN ActiveLow, + IN BOOLEAN Shared, + IN UINT32 * IrqList, + IN UINT8 IrqCount, + IN AML_OBJECT_NODE * ParentNode, OPTIONAL + OUT AML_DATA_NODE ** NewRdNode OPTIONAL + ); + +#endif // AML_RESOURCE_DATA_CODE_GEN_H_ |