Atmosphere/stratosphere/dmnt.gen2/source/dmnt2_hardware_breakpoint.hpp

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/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <stratosphere.hpp>
#include "dmnt2_breakpoint_manager.hpp"
namespace ams::dmnt {
struct HardwareBreakPoint : public BreakPoint {
svc::HardwareBreakPointRegisterName m_reg;
svc::HardwareBreakPointRegisterName m_ctx;
void Initialize(svc::HardwareBreakPointRegisterName r, svc::HardwareBreakPointRegisterName c) {
m_reg = r;
m_ctx = c;
}
virtual Result Clear(DebugProcess *debug_process) override;
virtual Result Set(DebugProcess *debug_process, uintptr_t address, size_t size, bool is_step) override;
};
class HardwareBreakPointManager : public BreakPointManager {
public:
static constexpr size_t BreakPointCountMax = 0x10;
private:
HardwareBreakPoint m_breakpoints[BreakPointCountMax];
public:
static Result SetHardwareBreakPoint(u32 r, u64 dbgbcr, u64 value);
static Result SetContextBreakPoint(svc::HardwareBreakPointRegisterName ctx, DebugProcess *debug_process);
static svc::HardwareBreakPointRegisterName GetWatchPointContextRegister();
static Result SetExecutionBreakPoint(svc::HardwareBreakPointRegisterName reg, svc::HardwareBreakPointRegisterName ctx, u64 address);
public:
explicit HardwareBreakPointManager(DebugProcess *debug_process);
private:
virtual BreakPointBase *GetBreakPoint(size_t index) override;
private:
static void CountBreakPointRegisters();
static bool SendMultiCoreRequest(const void *request);
};
}