Function first_thread

lab7/src/2/src/kernel/setup.cpp:15–34

ProgramManager programManager;

void first_thread(void *arg)
{
    // 第1个线程不可以返回
    stdio.moveCursor(0);
    for (int i = 0; i < 25 * 80; ++i)
    {
        stdio.print(' ');
    }
    stdio.moveCursor(0);

    uint32 memory = *((uint32 *)MEMORY_SIZE_ADDRESS);
    // ax寄存器保存的内容
    uint32 low = memory & 0xffff;
    // bx寄存器保存的内容
    uint32 high = (memory >> 16) & 0xffff;
    memory = low * 1024 + high * 64 * 1024;
    printf("total memory: %d bytes (%d MB)\n", memory, memory / 1024 / 1024);

    asm_halt();
}

extern "C" void setup_kernel()
{