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Annotation of nono/debugger/debugger_m88xx0.h, revision 1.1.1.3

1.1       root        1: //
                      2: // nono
1.1.1.2   root        3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
1.1       root        5: //
                      6: 
                      7: #pragma once
                      8: 
                      9: #include "debugger_private.h"
1.1.1.2   root       10: #include "mpu88xx0.h"
1.1       root       11: #include "m88100.h"
                     12: #include "m88100disasm.h"
                     13: 
                     14: class DebuggerMD_m88xx0 : public DebuggerMD
                     15: {
1.1.1.2   root       16:        using inherited = DebuggerMD;
1.1       root       17:  public:
1.1.1.2   root       18:        DebuggerMD_m88xx0(Debugger *parent_, m88kcpu *cpu_);
                     19:        ~DebuggerMD_m88xx0() override;
1.1       root       20: 
1.1.1.2   root       21:        void ReqSet(uint32 flag) override { cpu->atomic_reqflag |= flag; }
                     22:        void ReqClr(uint32 flag) override { cpu->atomic_reqflag &= ~flag; }
1.1       root       23: 
1.1.1.2   root       24:        bool IsSuper() const override { return (cpu->psr & m88100reg::PSR_SUPER); }
                     25:        bool MMUEnabled() const override;
                     26:        uint64 TranslateAddr(saddr_t laddr) override;
1.1       root       27: 
                     28:        // XXX ?
1.1.1.2   root       29:        uint32 GetPC() const override { return cpu->Getxip(); }
1.1       root       30: 
1.1.1.2   root       31:        void SetStepOut() override;
                     32:        bool IsStepOut() const override;
                     33:        uint64 GetRegAddr(const char *name) const override;
                     34:        void BackupRegs() override;
                     35:        bool ShowRegister(Console *cons, const std::vector<std::string>& args)
                     36:                override;
                     37:        const HelpMessages& GetRegisterHelp() const override;
                     38: 
1.1.1.3 ! root       39:        BranchHistory& GetBrHist() const override { return cpu->brhist; }
        !            40:        BranchHistory& GetExHist() const override { return cpu->exhist; }
1.1       root       41: 
1.1.1.2   root       42:        bool CheckLEA(uint32 laddr) override {
1.1       root       43:                bool rv = cpu->lastaddr == laddr;
                     44:                cpu->lastaddr = 0;      // XXX: ていうかここでクリアはおかしい
                     45:                return rv;
                     46:        }
                     47: 
                     48:        bool Disassemble(saddr_t laddr,
1.1.1.2   root       49:                std::string& mnemonic, std::vector<uint8>& bin) override;
1.1       root       50:        std::string FormatDisasm(const std::string& mnemonic,
1.1.1.2   root       51:                const std::vector<uint8>& bin) override;
1.1       root       52:        std::string FormatDisasmLive(const std::string& mnemonic,
1.1.1.2   root       53:                const std::vector<uint8>& bin) override;
1.1       root       54: 
                     55:  private:
                     56:        m88kcpu *cpu = NULL;            // CPU コア
                     57:        m88100reg prev {};
1.1.1.2   root       58: 
                     59:        // 前回アクセス時の論理ページ。.addr == 0xffffffff なら無効。
                     60:        // [0] が Inst、[1] が Data XXX とりあえず
                     61:        saddr_t last_lpage[2];
                     62:        uint32  last_ppage[2];
                     63: 
                     64:        static bool IsBBTB0(uint32 op);
                     65:        static bool IsBB1(uint32 op);
                     66:        static bool IsTB1(uint32 op);
                     67:        static bool IsBBTB1(uint32 op);
                     68:        const char *CondStr(uint32 op);
                     69: 
                     70:        static const HelpMessages HelpMsgRegister;
                     71:        bool MatchCMMUCmd(const std::string& cmdname, const char *name, int *);
                     72:        void ShowRegMain(Console *cons);
                     73:        void ShowRegCache(Console *cons, const std::vector<std::string>& args,
                     74:                int id);
                     75:        void ShowRegCacheOverview(Console *cons, int id);
                     76:        void ShowRegCacheSet(Console *cons, int id, int setidx);
                     77:        void ShowRegCtrl(Console *cons);
                     78:        void ShowRegFPU(Console *cons);
                     79:        void ShowRegMMU(Console *cons, int id);
                     80:        void ShowRegOther(Console *cons);
                     81: 
                     82:        // cmp 命令後の分岐命令で結果レジスタを表示するため、
                     83:        // cmp 命令のデスティネーションレジスタを覚えておく。
                     84:        // -1 なら該当しないの意。
                     85:        int cmp_rd;
                     86: 
                     87:        uint32 so_r1 = 0;               // ステップアウト判定用
1.1       root       88: };

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