Archipelago » qemu

    struct TranslationBlock *current_tb; /* currently executing TB  */

    /* soft mmu support */

    /* in order to avoid passing too many arguments to the memory

       write helpers, we store some rarely used information in the CPU

       context) */

    target_ulong mem_write_pc; /* host pc at which the memory was

                                   written */

    unsigned long mem_write_vaddr; /* target virtual addr at which the

                                      memory was written */

    /* 0 = kernel, 1 = user (may have 2 = kernel code, 3 = user code ?) */

    CPUTLBEntry tlb_read[2][CPU_TLB_SIZE];

    CPUTLBEntry tlb_write[2][CPU_TLB_SIZE];

    /* ice debug support */

    target_ulong breakpoints[MAX_BREAKPOINTS];

    int nb_breakpoints;

    int singlestep_enabled; /* XXX: should use CPU single step mode instead */

    /* user data */

    void *opaque;