77 lines
3.2 KiB
C++
77 lines
3.2 KiB
C++
#pragma once
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#include "src/DebugServer/Gdb/TargetDescriptor.hpp"
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#include "src/Targets/TargetDescriptor.hpp"
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#include "src/Targets/TargetMemory.hpp"
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#include "src/Targets/TargetAddressSpaceDescriptor.hpp"
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#include "src/Targets/TargetMemorySegmentDescriptor.hpp"
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#include "src/Targets/TargetPeripheralDescriptor.hpp"
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#include "src/Targets/TargetRegisterGroupDescriptor.hpp"
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namespace DebugServer::Gdb::AvrGdb
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{
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class AvrGdbTargetDescriptor: public DebugServer::Gdb::TargetDescriptor
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{
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public:
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static constexpr auto SRAM_ADDRESS_MASK = 0x00800000U;
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static constexpr auto EEPROM_ADDRESS_MASK = 0x00810000U;
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static constexpr auto STATUS_GDB_REGISTER_ID = 32;
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static constexpr auto STACK_POINTER_GDB_REGISTER_ID = 33;
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static constexpr auto PROGRAM_COUNTER_GDB_REGISTER_ID = 34;
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const Targets::TargetAddressSpaceDescriptor& programAddressSpaceDescriptor;
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const Targets::TargetAddressSpaceDescriptor& eepromAddressSpaceDescriptor;
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const Targets::TargetAddressSpaceDescriptor& sramAddressSpaceDescriptor;
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const Targets::TargetAddressSpaceDescriptor& gpRegistersAddressSpaceDescriptor;
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const Targets::TargetMemorySegmentDescriptor& programMemorySegmentDescriptor;
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const Targets::TargetMemorySegmentDescriptor& eepromMemorySegmentDescriptor;
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const Targets::TargetMemorySegmentDescriptor& sramMemorySegmentDescriptor;
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const Targets::TargetMemorySegmentDescriptor& gpRegistersMemorySegmentDescriptor;
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const Targets::TargetPeripheralDescriptor& cpuGpPeripheralDescriptor;
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const Targets::TargetRegisterGroupDescriptor& cpuGpRegisterGroupDescriptor;
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explicit AvrGdbTargetDescriptor(const Targets::TargetDescriptor& targetDescriptor);
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/**
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* For AVR targets, GDB encodes address space information into memory addresses, by applying a mask.
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*
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* This function identifies the encoded address space within the given GDB memory address, and returns the
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* relevant address space descriptor.
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*
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* @param address
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* @return
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*/
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[[nodiscard]] const Targets::TargetAddressSpaceDescriptor& addressSpaceDescriptorFromGdbAddress(
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GdbMemoryAddress address
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) const;
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/**
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* This function translates a GDB memory address to a target memory address. It will strip away any
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* GDB-specific masks and return an address that can be used within Bloom.
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*
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* @param address
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* @return
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*/
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[[nodiscard]] Targets::TargetMemoryAddress translateGdbAddress(GdbMemoryAddress address) const;
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/**
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* This function translates a target memory address to a GDB memory address. It will encode address space
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* information into the address, as expected by GDB.
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*
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* @param address
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* @param addressSpaceDescriptor
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* @param memorySegmentDescriptor
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* @return
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*/
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[[nodiscard]] GdbMemoryAddress translateTargetMemoryAddress(
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Targets::TargetMemoryAddress address,
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const Targets::TargetAddressSpaceDescriptor& addressSpaceDescriptor,
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const Targets::TargetMemorySegmentDescriptor& memorySegmentDescriptor
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) const;
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};
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}
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