Function generateSource

source/emulation/cpu/srcgen.cpp:8684–8817

static unsigned char opsBuffer[16384];

void generateSource(struct CPU* cpu, U32 eip, struct Block* block) {
    struct Op* op = block->ops;
    char name[256];
    char tmp[1024];    
    int i;
    U32 crc;    
    struct GenData* data = &d;

    // if the block has only one op then don't compile it
    if (!block->ops->next) {
        return;
    }

    data->eip = eip;
    data->cpu = cpu;
    data->block = block;
    data->lazyFlags = sFLAGS_UNKNOWN;
    data->ops = opsBuffer;
    data->opPos = 0;
    data->maxOpPos = sizeof(opsBuffer);
    data->ip = eip;

    while (op) {
        if (!srcgen[op->inst]) {
            klog("missing instruction for recompiler: %X", op->inst);
            return;
        }
        for (i=0;i<op->eipCount;i++) {
            if (!isValidReadAddress(cpu->thread, data->ip))
                return;
            data->ops[data->opPos++] = readb(cpu->thread, data->ip++);
        }
        op = op->next;
    }
    crc = crc32b(data->ops, data->opPos);

    if (doesBlockExist(crc, data->ops, data->opPos))
        return;

    op = block->ops;
    if (!data->sourceBuffer) {
        data->sourceBufferLen = 1024*1024*10;
        data->sourceBuffer = kalloc(data->sourceBufferLen, KALLOC_SRCGENBUFFER);
        data->sourceBufferPos = 0;
        out(data, "#include \"platform.h\"\n");
        out(data, "#include \"cpu.h\"\n");
        out(data, "#include \"../../../../source/emulation/cpu/shift.h\"\n");
        out(data, "#include \"../../../../source/emulation/cpu/strings.h\"\n");
        out(data, "#include \"decoder.h\"\n");
        out(data, "void FPU_FCOM(struct FPU* fpu, int st, int other);\n");
        out(data, "void FPU_FUCOM(struct FPU* fpu, int st, int other);\n");
        out(data, "void FPU_FABS(struct FPU* fpu);\n");
        out(data, "void FPU_FXAM(struct FPU* fpu);\n");
        out(data, "void FPU_F2XM1(struct FPU* fpu);\n");
        out(data, "void FPU_FYL2X(struct FPU* fpu);\n");
        out(data, "void FPU_FPTAN(struct FPU* fpu);\n");
        out(data, "void FPU_FPATAN(struct FPU* fpu);\n");
        out(data, "void FPU_FXTRACT(struct FPU* fpu);\n");