From: dylanlhdu <dylanl...@tencent.com>
Signed-off-by: Lingheng Du <dylanl...@tencent.com>
Reviewed-by: Song Huang <vicshu...@tencent.com>
Reviewed-by: Bing Fan <tombin...@tencent.com>
---
.../Include/IndustryStandard/AcpiRiscv64.h | 176 ++++++++++++++++++
1 file changed, 176 insertions(+)
create mode 100644 edk2/MdePkg/Include/IndustryStandard/AcpiRiscv64.h
diff --git a/edk2/MdePkg/Include/IndustryStandard/AcpiRiscv64.h
b/edk2/MdePkg/Include/IndustryStandard/AcpiRiscv64.h
new file mode 100644
index 00000000..4111b3ea
--- /dev/null
+++ b/edk2/MdePkg/Include/IndustryStandard/AcpiRiscv64.h
@@ -0,0 +1,176 @@
+/** @file
+ RISCV64 platform ACPI related support April, 2022.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef ACPI_RISCV64_H_
+#define ACPI_RISCV64_H_
+
+//
+// Ensure proper structure formats
+//
+#pragma pack(1)
+
+///
+/// RISC-V Interrupt Type
+///
+#define EFI_ACPI_6_5_INC_RINTC_TYPE 0x18
+#define EFI_ACPI_6_5_INC_IMSIC_TYPE 0x19
+#define EFI_ACPI_6_5_INC_APLIC_TYPE 0x1A
+#define EFI_ACPI_6_5_INC_PLIC_TYPE 0x1B
+
+///
+/// RISC-V Interrupt Controller (RINTC)
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 Version;
+ UINT8 Reserved;
+ UINT32 Flags;
+ UINT64 HartId;
+ UINT32 Uid;
+ UINT32 ExtIntcId;
+ UINT64 ImsicAddr;
+ UINT32 ImsicSize;
+} EFI_ACPI_6_5_INC_RINTC_STRUCTURE;
+
+///
+/// Incoming MSI Controller (IMSIC)
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 Version;
+ UINT8 Reserved;
+ UINT32 Flags;
+ UINT16 NumIds;
+ UINT16 NumGuestIds;
+ UINT8 GuestIndexBits;
+ UINT8 HartIndexBits;
+ UINT8 GroupIndexBits;
+ UINT8 GroupIndexShift;
+} EFI_ACPI_6_5_INC_IMSIC_STRUCTURE;
+
+///
+/// RISC-V Advanced Platform Level Interrupt Controller (APLIC)
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 Version;
+ UINT8 AplicId;
+ UINT32 Flags;
+ UINT8 HW_ID[8];
+ UINT16 NumIdc;
+ UINT16 ExternSoureceSupport;
+ UINT32 GSysInterruptBase;
+ UINT64 AplicAddress;
+ UINT32 AplicSize;
+} EFI_ACPI_6_5_INC_APLIC_STRUCTURE;
+
+///
+/// RISC-V Platform Level Interrupt Controller (PLIC)
+///
+typedef struct {
+ UINT8 Type;
+ UINT8 Length;
+ UINT8 Version;
+ UINT8 PlicId;
+ UINT8 HwId[8];
+ UINT16 NumIrqs;
+ UINT16 MaxPrio;
+ UINT32 Flags;
+ UINT32 PlicSize;
+ UINT64 PlicAddress;
+ UINT32 GsiBase;
+} EFI_ACPI_6_5_INC_PLIC_STRUCTURE;
+
+///
+/// RISC-V Hart Capabilities Table (RHCT)
+///
+typedef struct {
+ EFI_ACPI_DESCRIPTION_HEADER Header;
+} EFI_ACPI_6_5_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER;
+
+///
+/// RHCT Revision
+///
+#define EFI_ACPI_6_5_RHCT_APIC_DESCRIPTION_TABLE_REVISION 0x05
+
+///
+/// RHCT types
+///
+#define EFI_ACPI_6_5_NODE_ISA_TYPE 0x0
+#define EFI_ACPI_6_5_NODE_CM0_TYPE 0x1
+#define EFI_ACPI_6_5_NODE_MMU_TYPE 0x2
+#define EFI_ACPI_6_5_NODE_RESERVED_TYPE 0x3
+#define EFI_ACPI_6_5_NODE_HART_TYPE 0xFFFF
+
+///
+/// RHCT Flags
+///
+#define ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU (1)
+
+///
+/// ISA string node
+///
+typedef struct {
+ UINT16 Type;
+ UINT16 Length;
+ UINT16 Revision;
+ UINT16 IsaLength;
+ UINT8 IsaString[];
+} EFI_ACPI_6_5_NODE_ISA_STRING_STRUCTURE;
+
+///
+/// CM0 node
+///
+typedef struct {
+ UINT16 Type;
+ UINT16 Length;
+ UINT16 Revision;
+ UINT8 Reserved;
+ UINT8 CbomSize;
+ UINT8 CbopSize;
+ UINT8 CbozSize;
+} EFI_ACPI_6_5_NODE_CM0_STRUCTURE;
+
+///
+/// MMU node
+///
+typedef struct {
+ UINT16 Type;
+ UINT16 Length;
+ UINT16 Revision;
+ UINT8 Reserved;
+ UINT8 MmuType;
+} EFI_ACPI_6_5_NODE_MMU_STRUCTURE;
+
+///
+/// MMU type
+///
+#define EFI_ACPI_6_5_MMU_SV39_TYPE 0x0
+#define EFI_ACPI_6_5_MMU_SV48_TYPE 0x1
+#define EFI_ACPI_6_5_MMU_SV57_TYPE 0x2
+
+///
+/// Hart Info Node
+///
+typedef struct {
+ UINT16 Type;
+ UINT16 Length;
+ UINT16 Revision;
+ UINT16 NumOffsets;
+ UINT32 Uid;
+} EFI_ACPI_6_5_NODE_HARTINFO_STRUCTURE;
+
+///
+/// "RHCT" RISC-V Hart Capabilities Table
+///
+#define EFI_ACPI_6_5_RHCT_HART_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('R',
'H', 'C', 'T')
+
+#pragma pack()
+
+#endif
\ No newline at end of file
--
2.34.1
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