ubuntu20.04 init

hc

2024-03-25 edb30157bad0c0001c32b854271ace01d3b9a16a

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/** @file 
  RISC-V package definitions. 
 
  Copyright (c) 2016 - 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR> 
 
  SPDX-License-Identifier: BSD-2-Clause-Patent 
 
**/ 
 
#ifndef RISCV_H_ 
#define RISCV_H_ 
 
#include <Uefi.h> 
#include <IndustryStandard/RiscV.h> 
 
#define _ASM_FUNC(Name, Section)    \ 
  .global   Name                  ; \ 
  .section  #Section, "ax"        ; \ 
  .type     Name, %function       ; \ 
  .p2align  2                     ; \ 
  Name: 
 
#define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name) 
 
#if defined (MDE_CPU_RISCV64) 
typedef UINT64 RISC_V_REGS_PROTOTYPE; 
#else 
#endif 
 
// 
// Structure for 128-bit value 
// 
typedef struct { 
  UINT64            Value64_L; 
  UINT64            Value64_H; 
} RISCV_UINT128; 
 
#define RISCV_MACHINE_CONTEXT_SIZE  0x1000 
typedef struct _RISCV_MACHINE_MODE_CONTEXT RISCV_MACHINE_MODE_CONTEXT; 
 
/// 
/// Exception handlers in context. 
/// 
typedef struct _EXCEPTION_HANDLER_CONTEXT { 
  EFI_PHYSICAL_ADDRESS InstAddressMisalignedHander; 
  EFI_PHYSICAL_ADDRESS InstAccessFaultHander; 
  EFI_PHYSICAL_ADDRESS IllegalInstHander; 
  EFI_PHYSICAL_ADDRESS BreakpointHander; 
  EFI_PHYSICAL_ADDRESS LoadAddrMisalignedHander; 
  EFI_PHYSICAL_ADDRESS LoadAccessFaultHander; 
  EFI_PHYSICAL_ADDRESS StoreAmoAddrMisalignedHander; 
  EFI_PHYSICAL_ADDRESS StoreAmoAccessFaultHander; 
  EFI_PHYSICAL_ADDRESS EnvCallFromUModeHander; 
  EFI_PHYSICAL_ADDRESS EnvCallFromSModeHander; 
  EFI_PHYSICAL_ADDRESS EnvCallFromHModeHander; 
  EFI_PHYSICAL_ADDRESS EnvCallFromMModeHander; 
} EXCEPTION_HANDLER_CONTEXT; 
 
/// 
/// Exception handlers in context. 
/// 
typedef struct _INTERRUPT_HANDLER_CONTEXT { 
  EFI_PHYSICAL_ADDRESS SoftwareIntHandler; 
  EFI_PHYSICAL_ADDRESS TimerIntHandler; 
} INTERRUPT_HANDLER_CONTEXT; 
 
/// 
/// Interrupt handlers in context. 
/// 
typedef struct _TRAP_HANDLER_CONTEXT { 
  EXCEPTION_HANDLER_CONTEXT ExceptionHandlerContext; 
  INTERRUPT_HANDLER_CONTEXT IntHandlerContext; 
} TRAP_HANDLER_CONTEXT; 
 
/// 
/// Machine mode context used for saveing hart-local context. 
/// 
typedef struct _RISCV_MACHINE_MODE_CONTEXT { 
  EFI_PHYSICAL_ADDRESS PeiService;                /// PEI service. 
  EFI_PHYSICAL_ADDRESS MachineModeTrapHandler;    /// Machine mode trap handler. 
  EFI_PHYSICAL_ADDRESS HypervisorModeTrapHandler; /// Hypervisor mode trap handler. 
  EFI_PHYSICAL_ADDRESS SupervisorModeTrapHandler; /// Supervisor mode trap handler. 
  EFI_PHYSICAL_ADDRESS UserModeTrapHandler;       /// USer mode trap handler. 
  TRAP_HANDLER_CONTEXT MModeHandler;              /// Handler for machine mode. 
} RISCV_MACHINE_MODE_CONTEXT; 
 
#endif