75 lines
3.1 KiB
C++
75 lines
3.1 KiB
C++
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#pragma once
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#include <cstdint>
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#include "src/Targets/RiscV/RiscVGeneric.hpp"
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namespace Targets::RiscV::Registers
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{
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struct DebugControlStatusRegister
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{
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enum class DebugModeCause: std::uint8_t
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{
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BREAK = 0x01,
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TRIGGER = 0x02,
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HALT_REQUEST = 0x03,
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STEP = 0x04,
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RESET_HALT_REQUEST = 0x05,
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GROUP = 0x06,
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};
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PrivilegeMode privilegeMode:2;
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bool step:1 = false;
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bool nmiPending:1 = false;
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bool mprvEnabled:1 = false;
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DebugModeCause debugModeCause:3;
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bool stopTime:1 = false;
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bool stopCount:1 = false;
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bool stepInterruptsEnabled:1 = false;
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bool breakUMode:1 = false;
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bool breakSMode:1 = false;
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bool breakMMode:1 = false;
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bool breakVUMode:1 = false;
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bool breakVSMode:1 = false;
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std::uint8_t debugVersion:4 = 0;
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DebugControlStatusRegister() = default;
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constexpr explicit DebugControlStatusRegister(RegisterValue registerValue)
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: privilegeMode(static_cast<PrivilegeMode>(registerValue & 0x03))
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, step(static_cast<bool>(registerValue & (0x01 << 2)))
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, nmiPending(static_cast<bool>(registerValue & (0x01 << 3)))
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, mprvEnabled(static_cast<bool>(registerValue & (0x01 << 4)))
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, debugModeCause(static_cast<DebugModeCause>((registerValue >> 6) & 0x07))
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, stopTime(static_cast<bool>(registerValue & (0x01 << 9)))
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, stopCount(static_cast<bool>(registerValue & (0x01 << 10)))
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, stepInterruptsEnabled(static_cast<bool>(registerValue & (0x01 << 11)))
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, breakUMode(static_cast<bool>(registerValue & (0x01 << 12)))
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, breakSMode(static_cast<bool>(registerValue & (0x01 << 13)))
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, breakMMode(static_cast<bool>(registerValue & (0x01 << 15)))
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, breakVUMode(static_cast<bool>(registerValue & (0x01 << 16)))
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, breakVSMode(static_cast<bool>(registerValue & (0x01 << 17)))
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, debugVersion(static_cast<std::uint8_t>(registerValue >> 28) & 0x0F)
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{}
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constexpr RegisterValue value() const {
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return RegisterValue{0}
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| static_cast<RegisterValue>(this->privilegeMode)
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| static_cast<RegisterValue>(this->step) << 2
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| static_cast<RegisterValue>(this->nmiPending) << 3
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| static_cast<RegisterValue>(this->mprvEnabled) << 4
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| static_cast<RegisterValue>(this->debugModeCause) << 6
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| static_cast<RegisterValue>(this->stopTime) << 9
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| static_cast<RegisterValue>(this->stopCount) << 10
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| static_cast<RegisterValue>(this->stepInterruptsEnabled) << 11
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| static_cast<RegisterValue>(this->breakUMode) << 12
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| static_cast<RegisterValue>(this->breakSMode) << 13
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| static_cast<RegisterValue>(this->breakMMode) << 15
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| static_cast<RegisterValue>(this->breakVUMode) << 16
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| static_cast<RegisterValue>(this->breakVSMode) << 17
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| static_cast<RegisterValue>(this->debugVersion) << 28
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;
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}
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};
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}
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