50 lines
1.2 KiB
C++
50 lines
1.2 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) 2015-2016 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 General Public License version 2.
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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, cpu_exception, ra, sp, gp, tp, t0, t1, t2, s0, s1, a0, a1, a2,
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a3, a4, a5, a6, a7, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, t3,
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t4, t5, t6;
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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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