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