[edk2-devel] [PATCH] Added support for ACPI related data structures for RISC_V64 platform

["gaoliming via groups.io" <gaoliming=byosoft.com.cn@groups.io>]

From: dylanlhdu <dylanlhdu@tencent.com>

        Signed-off-by: Lingheng Du <dylanlhdu@tencent.com>
        Reviewed-by: Song Huang  <vicshuang@tencent.com>
        Reviewed-by: Bing Fan <tombinfan@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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