80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
/*
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* \brief CPU state
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* \author Sebastian Sumpf
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* \date 2015-06-01
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*/
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/*
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* Copyright (C) 2015-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__RISCV__CPU__CPU_STATE_H_
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#define _INCLUDE__RISCV__CPU__CPU_STATE_H_
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/* Genode includes */
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#include <base/stdint.h>
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namespace Genode { struct Cpu_state; }
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struct Genode::Cpu_state
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{
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enum Cpu_exception {
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INSTRUCTION_UNALIGNED = 0,
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INSTRUCTION_PAGE_FAULT = 1,
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INSTRUCTION_ILLEGAL = 2,
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BREAKPOINT = 3,
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LOAD_UNALIGNED = 4,
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LOAD_PAGE_FAULT = 5,
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STORE_UNALIGNED = 6,
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STORE_PAGE_FAULT = 7,
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ECALL_FROM_USER = 8,
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ECALL_FROM_SUPERVISOR = 9,
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ECALL_FROM_HYPERVISOR = 10,
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ECALL_FROM_MACHINE = 11,
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RESET = 16,
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IRQ_FLAG = 1UL << 63,
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};
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addr_t ip = 0;
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addr_t cpu_exception = 0;
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addr_t ra = 0;
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addr_t sp = 0;
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addr_t gp = 0;
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addr_t tp = 0;
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addr_t t0 = 0;
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addr_t t1 = 0;
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addr_t t2 = 0;
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addr_t s0 = 0;
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addr_t s1 = 0;
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addr_t a0 = 0;
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addr_t a1 = 0;
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addr_t a2 = 0;
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addr_t a3 = 0;
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addr_t a4 = 0;
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addr_t a5 = 0;
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addr_t a6 = 0;
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addr_t a7 = 0;
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addr_t s2 = 0;
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addr_t s3 = 0;
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addr_t s4 = 0;
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addr_t s5 = 0;
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addr_t s6 = 0;
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addr_t s7 = 0;
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addr_t s8 = 0;
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addr_t s9 = 0;
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addr_t s10 = 0;
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addr_t s11 = 0;
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addr_t t3 = 0;
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addr_t t4 = 0;
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addr_t t5 = 0;
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addr_t t6 = 0;
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bool is_irq() { return cpu_exception & IRQ_FLAG; }
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unsigned irq() { return cpu_exception ^ IRQ_FLAG; }
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};
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#endif /* _INCLUDE__RISCV__CPU__CPU_STATE_H_ */
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