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- /** @file
- RISC-V Exception Handler library definition file.
- Copyright (c) 2019-2022, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef RISCV_CPU_EXECPTION_HANDLER_LIB_H_
- #define RISCV_CPU_EXECPTION_HANDLER_LIB_H_
- extern void
- SupervisorModeTrap (
- void
- );
- //
- // Index of SMode trap register
- //
- #define SMODE_TRAP_REGS_zero 0
- #define SMODE_TRAP_REGS_ra 1
- #define SMODE_TRAP_REGS_sp 2
- #define SMODE_TRAP_REGS_gp 3
- #define SMODE_TRAP_REGS_tp 4
- #define SMODE_TRAP_REGS_t0 5
- #define SMODE_TRAP_REGS_t1 6
- #define SMODE_TRAP_REGS_t2 7
- #define SMODE_TRAP_REGS_s0 8
- #define SMODE_TRAP_REGS_s1 9
- #define SMODE_TRAP_REGS_a0 10
- #define SMODE_TRAP_REGS_a1 11
- #define SMODE_TRAP_REGS_a2 12
- #define SMODE_TRAP_REGS_a3 13
- #define SMODE_TRAP_REGS_a4 14
- #define SMODE_TRAP_REGS_a5 15
- #define SMODE_TRAP_REGS_a6 16
- #define SMODE_TRAP_REGS_a7 17
- #define SMODE_TRAP_REGS_s2 18
- #define SMODE_TRAP_REGS_s3 19
- #define SMODE_TRAP_REGS_s4 20
- #define SMODE_TRAP_REGS_s5 21
- #define SMODE_TRAP_REGS_s6 22
- #define SMODE_TRAP_REGS_s7 23
- #define SMODE_TRAP_REGS_s8 24
- #define SMODE_TRAP_REGS_s9 25
- #define SMODE_TRAP_REGS_s10 26
- #define SMODE_TRAP_REGS_s11 27
- #define SMODE_TRAP_REGS_t3 28
- #define SMODE_TRAP_REGS_t4 29
- #define SMODE_TRAP_REGS_t5 30
- #define SMODE_TRAP_REGS_t6 31
- #define SMODE_TRAP_REGS_sepc 32
- #define SMODE_TRAP_REGS_sstatus 33
- #define SMODE_TRAP_REGS_sie 34
- #define SMODE_TRAP_REGS_last 35
- #define SMODE_TRAP_REGS_OFFSET(x) ((SMODE_TRAP_REGS_##x) * __SIZEOF_POINTER__)
- #define SMODE_TRAP_REGS_SIZE SMODE_TRAP_REGS_OFFSET(last)
- #pragma pack(1)
- typedef struct {
- //
- // Below are follow the format of EFI_SYSTEM_CONTEXT
- //
- RISC_V_REGS_PROTOTYPE zero;
- RISC_V_REGS_PROTOTYPE ra;
- RISC_V_REGS_PROTOTYPE sp;
- RISC_V_REGS_PROTOTYPE gp;
- RISC_V_REGS_PROTOTYPE tp;
- RISC_V_REGS_PROTOTYPE t0;
- RISC_V_REGS_PROTOTYPE t1;
- RISC_V_REGS_PROTOTYPE t2;
- RISC_V_REGS_PROTOTYPE s0;
- RISC_V_REGS_PROTOTYPE s1;
- RISC_V_REGS_PROTOTYPE a0;
- RISC_V_REGS_PROTOTYPE a1;
- RISC_V_REGS_PROTOTYPE a2;
- RISC_V_REGS_PROTOTYPE a3;
- RISC_V_REGS_PROTOTYPE a4;
- RISC_V_REGS_PROTOTYPE a5;
- RISC_V_REGS_PROTOTYPE a6;
- RISC_V_REGS_PROTOTYPE a7;
- RISC_V_REGS_PROTOTYPE s2;
- RISC_V_REGS_PROTOTYPE s3;
- RISC_V_REGS_PROTOTYPE s4;
- RISC_V_REGS_PROTOTYPE s5;
- RISC_V_REGS_PROTOTYPE s6;
- RISC_V_REGS_PROTOTYPE s7;
- RISC_V_REGS_PROTOTYPE s8;
- RISC_V_REGS_PROTOTYPE s9;
- RISC_V_REGS_PROTOTYPE s10;
- RISC_V_REGS_PROTOTYPE s11;
- RISC_V_REGS_PROTOTYPE t3;
- RISC_V_REGS_PROTOTYPE t4;
- RISC_V_REGS_PROTOTYPE t5;
- RISC_V_REGS_PROTOTYPE t6;
- //
- // Below are the additional information to
- // EFI_SYSTEM_CONTEXT, private to supervisor mode trap
- // and not public to EFI environment.
- //
- RISC_V_REGS_PROTOTYPE sepc;
- RISC_V_REGS_PROTOTYPE sstatus;
- RISC_V_REGS_PROTOTYPE sie;
- } SMODE_TRAP_REGISTERS;
- #pragma pack()
- #endif
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