76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
#include <ctype.h>
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#include "breakpoint_memory.h"
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#include "cpu.h"
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#include "utils.h"
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breakpoint_memory::breakpoint_memory(bus *const b, const uint32_t addr, const word_mode_t word_mode, const bool is_virtual, const std::set<uint16_t> & values):
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breakpoint(b),
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addr(addr),
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word_mode(word_mode),
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is_virtual(is_virtual),
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values(values)
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{
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}
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breakpoint_memory::~breakpoint_memory()
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{
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}
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std::optional<std::string> breakpoint_memory::is_triggered() const
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{
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uint16_t v = 0;
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if (is_virtual)
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v = b->read(addr, word_mode, rm_cur, true, i_space);
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else
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v = b->read_physical(addr);
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auto it = values.find(v);
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if (it == values.end())
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return { };
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return format("MEM%c%c[%08o]=%06o", word_mode == wm_byte ? 'B' : 'W', is_virtual ? 'V' : 'P', addr, v);
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}
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std::pair<breakpoint_memory *, std::optional<std::string> > breakpoint_memory::parse(bus *const b, const std::string & in)
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{
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auto parts = split(in, "=");
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if (parts.size() != 2)
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return { nullptr, "memory: key or value missing" };
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auto values_in = parts.at(1);
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auto v_parts = split(std::move(values_in), ",");
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std::set<uint16_t> values;
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for(auto & v: v_parts)
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values.insert(std::stoi(v, nullptr, 8));
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auto key = parts.at(0);
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if (key.size() < 8 || (key.substr(0, 3) != "MEM" && key.substr(0, 3) != "mem"))
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return { nullptr, { } };
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word_mode_t wm = toupper(key[3]) == 'B' ? wm_byte : wm_word;
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bool is_virtual = toupper(key[4]) == 'V';
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std::size_t end_marker = key.find(']');
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uint32_t addr = std::stoi(key.substr(6, end_marker - 6), nullptr, 8);
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return { new breakpoint_memory(b, addr, wm, is_virtual, values), { } };
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}
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std::string breakpoint_memory::emit() const
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{
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std::string out;
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for(auto & v: values) {
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if (out.empty())
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out = format("MEM%c%c[%08o]=", word_mode == wm_byte ? 'B' : 'W', is_virtual ? 'V' : 'P', addr);
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else
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out += ",";
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out += format("%06o", v);
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}
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return out;
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}
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